The invention relates to a cell module (1) comprising a preferably prismatic electrochemical energy storage cell (2) having a preferably flexible shell, in particular a so-called pouch or coffee-bag cell (2), and to a frame having two frame parts (3), (4). The two frame parts (3, 4) can have an identical design, as a result of which the manufacturing process for the cell module (1) is simplified. The two frame parts (3, 4) are connected to one another, for example by latching hooks (11) and latching eyelets, and the energy storage cell (2) is arranged between the two frame parts (3, 4) and pressed against said frame parts, preferably against a circumferential sealing seam (12) of the energy storage cell (2). Preferably, a softening component (13) consisting of plastic or of an elastomer is also arranged between the energy storage cell (2) and at least one frame part (3, 4). Such a cell module (1) can be delivered as a completely fitted unit comprising an energy storage cell (2) and a frame. According to the invention, the cell module (1) furthermore has at least one clamp (6), which introduces a contact-pressure force F into the two frame parts (3, 4), which force contributes to the energy storage cell (2) being pressed against the two frame parts (3, 4). Particularly preferably, the at least one clamp is a shaped spring (6), which is pushed onto the frame from the outside and engages around both frame parts (3, 4).
H01M 2/10 - Mountings; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
2.
POTENTIAL SENSING APPARATUS, ENERGY STORAGE APPARATUS HAVING SAID POTENTIAL SENSING APPARATUS, METHOD FOR MANUFACTURING SAID POTENTIAL SENSING APPARATUS, METHOD FOR MANUFACTURING SAID ENERGY STORAGE APPARATUS
Potential sensing apparatus (16) for sensing at least two electrical potentials in an energy storage apparatus (1), wherein the energy storage apparatus (1) has at least two electrochemical energy storage devices (3, 3a) that are connected in series with one another, wherein the energy storage devices (3, 3a) each have a first edge length k1 and each have two main leads (11, 11a) of different electrical polarity, wherein the electrical voltage of the energy storage device (3, 3a) can be tapped off from the main leads (11, 11a), wherein the potential sensing apparatus (16) has: a support device (21) that extends from a first end with an essentially rectangular second cross-sectional area q2 in a main direction of extent r→, at least three electrical contact devices (17, 17a), which are connected to the support device (21), which are each designed to be electrically, in particular materially, connected to one of the main leads (11, 11a), and which are used to sense the electrical potential of the connected main lead (11, 11a), an interface device (18), which is connected to the first end, which can be electrically connected to the contact devices (17, 17a), and which has at least three interface elements (19, 19a), wherein the electrical potential of one of the contact devices (17, 17a) can be tapped off from at least one of the interface elements (19, 19a), at least three interconnects (20, 20a), which are connected to the support device (21), which extend at least in sections along the support device (21), and which are each designed to electrically connect one of said contact devices (17, 17a) to one of the interface elements (19, 19a).
H01M 2/10 - Mountings; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
G01R 31/36 - Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
H01R 11/28 - End pieces consisting of a ferrule or sleeve
3.
ENERGY STORAGE DEVICE HAVING TWO CURRENT CONDUCTORS AND METHOD FOR PRODUCING THE ENERGY STORAGE DEVICE
The invention relates to an energy storage device (1) having a substantially cuboidal electrochemical electrode assembly (2) for providing electrical energy, having an encasement (3) for delimiting the electrode assembly (2) from the environment, and having at least two current conductors (4, 4a) having differing electrical polarity, each extending out of the encasement (3) at least in sections, on which the electrical voltage of the electrochemical electrode assembly (2) can be tapped, wherein the at least two current conductors (4, 4a) each have at least one first contact tab (5) and at least one second contact tab (5a), and the at least two contact tabs (5, 5a) are each designed for electrical, preferably bonded connection to an additional of said energy storage devices (1a, 1b), and the at least two contact tabs (5, 5a) each have a contact surface (6, 6a) for contacting one of said energy storage devices (1a, 1b) adjacent, wherein a first normal vector N1 is aligned perpendicularly to the first contact surface (6) and a second normal vector N2 is aligned perpendicularly to the second contact surface (6a), wherein the first normal vector is aligned substantially perpendicularly to the second normal vector.
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
4.
ENERGY STORAGE DEVICE, METHOD FOR PRODUCING SAID ENERGY STORAGE DEVICE
The invention relates to an energy storage device (1) for providing electrical energy, comprising: at least one slave module (51), which has at least two electrochemical energy storage apparatuses (3, 3a), which can be connected to each other, preferably in series, and a first module housing (28) for accommodating the energy storage apparatuses (3, 3a); a master module (52), which has at least two electrochemical energy storage apparatuses (3b, 3c), which can be connected to each other, preferably in series, a second module housing (28a) for accommodating the energy storage apparatuses (3b, 3c), a control apparatus (37) for controlling the energy storage apparatuses (3, 3a, 3b, 3c), and two device connections (39, 39a) of different polarity for providing the voltage of the energy storage apparatuses (3, 3a, 3b, 3c); an electrical connecting apparatus (55), which is designed to electrically connect the energy storage apparatuses (3, 3a) of the slave module (51) to the device connections (39, 39a); a signal-transmitting apparatus (56), which is designed to transmit signals between the control apparatus (37) and the slave module (51); and a preferably frame-shaped first function apparatus (53), which can be mechanically connected to the second module housing (28) and to at least one of the first module housings (28a) and which is designed to accommodate, preferably to support, the connecting apparatus (55) and the signal-transmitting apparatus (56).
The invention relates to an energy storage device for providing electrical energy, having a cell assembly. The cell assembly has at least three or more interconnectable, substantially cuboidal electrochemical energy storage apparatuses, each having a first edge length. The second energy storage apparatus is arranged between the first and the third energy storage apparatus. The energy storage device furthermore has a temperature control apparatus which is designed for controlling, and in particular for maintaining, the temperature of the cell assembly. The temperature control apparatus has a base plate which can be cut to length by a first, in particular plate-shaped blank, in particular designed as a continuous casting profile. The base plate or the first blank have at least two liquid channels for conducting a temperature control liquid. The at least two liquid channels extend at least in sections through the base plate or the first blank. The base plate can be connected at least to the at least one second energy storage apparatus in a thermally conductive manner. The temperature control apparatus has at least one, in particular substantially plate-shaped liquid conducting apparatus, which can be connected to the base plate in a thermally conductive, in particular bonded manner. The liquid conducting apparatus is designed to have at least one third liquid channel for exchanging the temperature control liquid with one of the liquid channels, in particular for transferring the temperature control liquid from the first liquid channel to the second liquid channel. The at least one liquid conducting apparatus can be connected to the first or the third energy storage apparatus in a thermally conductive manner. The temperature control apparatus has at least one or two connecting apparatuses which can be connected to the base plate, preferably to the at least one liquid conducting apparatus, in particular in a bonded manner. The at least one connecting apparatus can be cut to length by a second blank. The at least one connecting apparatus or the second blank has a plurality of first connecting means, arranged at a predetermined grid spacing from each other, for mechanical, in particular removable connection to at least one of, or a plurality of the energy storage apparatuses. The predetermined grid spacing substantially corresponds to the first edge length of the energy storage apparatuses.
H01M 2/10 - Mountings; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
H01M 10/647 - Prismatic or flat cells, e.g. pouch cells
H01M 10/6556 - Solid parts with flow channel passages or pipes for heat exchange
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
Energy storage device (1) for providing electrical energy, at least having a cell arrangement (2) which has at least two substantially cuboidal electrochemical energy storage devices (3, 3a) that are able to be connected together, and having an apparatus housing (28) which has a central housing part (29) and at least one housing cover (35), wherein the central housing part (29) is configured to at least partially receive the cell arrangement, wherein the housing cover (35) is mechanically connectable to the housing middle part (29) in a detachable manner, and having a sealing device (46) which can be introduced between the central housing part (29) and the housing cover (35), said sealing device (46) having a support element (61) and a sealing element (62), wherein the support element (61) is formed with four frame elements (63, 63a, 63b, 63c) which can be at least partially arranged around a substantially cuboidal cavity (64), and are connectable together, wherein the sealing element (62), preferably within the cavity (64), is cohesively connectable to at least one of the frame elements (63, 63a, 63b, 63c), wherein a predetermined ratio q, defined as the quotient of the modulus of elasticity of the sealing element (62) divided by the modulus of elasticity of the support element (61), is less than 0.65.
H01M 2/10 - Mountings; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
B65D 53/00 - Sealing or packing elementsSealings formed by liquid or plastic material
F16J 15/02 - Sealings between relatively-stationary surfaces
F16J 15/10 - Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
F16J 15/12 - Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing with metal reinforcement or covering
The invention relates to a separator for a lithium-ion battery which separates the positive electrode from the negative electrode of said lithium-ion battery and is permeable to lithium ions, characterized in that the separator contains at least one silicic acid and at least one sulphur component. The invention further relates to a lithium-ion battery comprising said separator.
H01M 4/58 - Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFySelection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates
H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
8.
ELECTROCHEMICAL ENERGY CONVERTER AND METHOD FOR PRODUCING SAME
An electrochemical energy converter according to the invention has a plurality of electrodes and at least one outgoing electrical conductor (1, 2), which extends substantially in a longitudinal direction and which therefore has a direction of longitudinal extent (LR), and which is electrically conductively connected to a plurality of these electrodes. A plurality of joints, in particular welded joints (4, 5, 6, 7), is arranged at or on this outgoing electrical conductor in the direction of longitudinal extent at a distance from one another. The outgoing electrical conductor has first cross-sectional areas (QF1) arranged perpendicular to this direction of longitudinal extent at these joints. The outgoing electrical conductor has second cross-sectional areas (QF2) between these joints in the direction of longitudinal extent. These first cross-sectional areas (QF1) are greater and in particular considerably greater than these second cross-sectional areas (QF2), at least in the case of a number of joints arranged adjacent to one another.
The invention relates to a method for determining the state of charge of a battery, wherein a functional relationship between the state of charge and the open-circuit voltage of the battery is empirically determined. In the determination of the functional relationship, the battery, which is completely charged at the beginning, is discharged with defined charges and open-circuit voltages are measured at several discharge steps of the battery, wherein states of charge of the battery are associated with the measured open-circuit voltages after the measurements. After the determination of the functional relationship, during operation of the battery, the state of charge is determined from an estimated open-circuit voltage on the basis of the functional relationship. In a first phase in the determination of the functional relationship between the state of charge and the open-circuit voltage, the battery is discharged in steps at constant amperages until the open-circuit voltage falls below a limit voltage, and then in a second phase the amperage is reduced in a further step and the battery is discharged further until the amperage falls below a limit amperage. The invention further relates to a device for performing such a method, wherein the device comprises at least one battery, a controller for controlling the input and output power in an open-loop or closed-loop manner, a computing unit for determining the state of charge of the battery, and a data memory, wherein the data of the functional relationship between the state of charge and the open-circuit voltage are stored in the data memory and the computing unit has access to the data memory.
G01R 31/36 - Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
The invention relates to a separator for a lithium ion battery, which separates the positive and the negative electrodes of the lithium ion battery from each other and is permeable to lithium ions, characterized in that the separator has at least one silicic acid, preferably in the form of a xerogel, and at least one carbon component, and a lithium ion battery having said separator.
A battery with a plurality of electrochemical energy storage devices and at least one temperature-control device, wherein the at least one temperature-control device is designed to exchange heat between (with?) at least one or two energy storage devices, particularly adjacent energy storage devices, wherein the at least one temperature-control device has: - a main body (1), particularly a substantially cuboidal main body, which is designed for heat-conductive connection to at least one of said energy storage devices; - at least one fluid channel (6) which is guided at least in certain sections through the main body (1) and is designed to guide a flowing temperature-control fluid, particularly along a main flow direction, and has at least one first casing surface; - a plurality of recesses (7) and/or projections which are arranged on the first casing surface, which are particularly designed to increase the turbulence of the temperature-control fluid, particularly at least adjacent to the recesses (7) and/or projections.
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
F28F 9/24 - Arrangements for promoting turbulent flow of heat-exchange media, e.g. by plates
The invention relates to an electrochemical cell, configured so as to provide electrical power, at least from time to time, wherein the electrochemical cell has at least one negative electrode, wherein the negative electrode has at least one material which is suitable to absorb charge carriers, in particular lithium ions, during charging operations; wherein the electrochemical cell further has at least one positive electrode, wherein the positive electrode has at least one material which is suitable to discharge charge carriers, in particular lithium ions, during charging operations; wherein the electrochemical cell further has at least one electrolyte, which is suitable for the transport of charge carriers, in particular of lithium ions, between the electrodes; and wherein the electrochemical cell further has at least one protective device, wherein the protective device preferably has at least one storage container, preferably configured as at least one micro-capsule, further preferably configured as a micro-capsule, wherein the protective device is substantially an integral constituent part of at least one of the components of the electrochemical cell, in particular of the electrodes, and has at least one coating, wherein the at least one protective device is configured such that, upon the entry of an influence damaging the electrical cell, in particular heat, at least one stabilizing additive, preferably a chemical-stabilizing additive, is liberated from the coating, wherein the stabilizing additive is preferably a chemically stabilizing additive, which is preferably configured such that the same at least partly counteracts damage to the electrochemical cell, in particular the electrodes.
The invention relates to an electrochemical energy accumulator (1) having a housing (2), at or on which at least one antenna (3, 4, 13, 14) is disposed and is connected to a transmitter (7, 8, 9, 10) for electromagnetic waves in the interior of the housing. The transmitter is configured to transmit messages containing information about signals from at least one sensor which is disposed in the interior of the housing.
H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
G01R 31/36 - Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
The invention relates to a pressing device (5) for use in the production of electrochemical energy accumulator devices. Said device allows, during the production, a force to be exerted upon a first film part of said energy accumulator device. Said type of pressing device comprises: an abutment device (6), a pressing device (1) which is designed, in particular, to support itself on said abutment device, said pressing device having a cross-sectional surface and a longitudinal extension which is arranged orthogonally to said cross-sectional surface, the extension of said cross-sectional surface being smaller in relation to said longitudinal extension, a securing element (7) which is designed to secure the pressing device to the abutment device, said securing element can, in particular, exert a clamping force on said pressing device and said abutment device when being secured, and an alignment device (8, 8a, 8b), said pressing device being arranged at a distance, at least in sections, from said abutment device due to said alignment device, said alignment device can be positively connected to said pressing device.
FRAME FOR AN ENERGY STORAGE DEVICE, BATTERY CELL COMPRISING THE FRAME AND THE ENERGY STORAGE DEVICE, BATTERY COMPRISING TWO OF SAID BATTERY CELLS AND METHOD FOR PRODUCING THE FRAME
A frame for an electrochemical energy storage device which has two current conductors of differing polarity, wherein the current conductors are used to exchange an electrical charge with the energy storage device, said frame having an accommodation space, designed for at least partially accommodating the energy storage device, a frame body, designed to delimit the accommodation space with respect to the environment, an electrical connection device, designed to make contact with one of said current conductors and designed for electrical connection with a further one of said energy storage devices or with a consumer, a metering device designed to detect a parameter of the energy storage device, wherein the parameter allows conclusions to be drawn regarding an operating state, particularly an undesirable operating state, of the energy storage device, and a first communication device, particularly a capacitive communicative device, designed to transmit one of said parameters, data and/or signals, particularly to a host control device.
G01R 31/36 - Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
H01M 2/10 - Mountings; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
H01M 10/04 - Construction or manufacture in general
H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
16.
ENERGY STORAGE DEVICE, BATTERY COMPRISING TWO SUCH ENERGY STORAGE DEVICES, AND METHOD FOR CONNECTING SAID ENERGY STORAGE DEVICES
Disclosed is an energy storage device, in particular designed as a secondary cell, especially for an electrochemical secondary battery. Said energy storage device comprises: - an electrochemical electrode assembly which is designed to at least temporarily supply a voltage; - a substantially cuboidal housing which is designed to at least partially accommodate the electrode assembly and which has a first housing wall and a second housing wall that are substantially perpendicular to each other; - a first cell terminal of a first polarity and a second cell terminal of a second polarity. The voltage can be at least temporarily tapped at the cell terminals. The cell terminals extend out of the first housing wall. The first cell terminal has a first contact surface with a first normal vector (I), and the second cell terminal has a substantially plate-shaped terminal leg which, in some sections, extends beyond the second housing wall and which has a second contact surface with a second normal vector (II), the second normal vector (II) having the same direction as the first normal vector (I) and the opposite orientation.
An envelope device for an energy storage device has: (a) an envelope wall, particularly a membrane, by means of which a receiving space for receiving the energy storage device can be delimited so as to be water-tight; (b) a closable, particularly a reclosable, first access opening formed in the envelope wall for passing the energy storage device into and out of the receiving space; (c) wherein the envelope wall has a first, vapour-permeable, wall portion and, particularly a second wall portion; and (d) wherein particularly the first and the second wall portions form a complementary subdivision of the envelope wall.
The invention relates to an electrochemical storage cell (10) containing an electrode subassembly (12) which has at least one first electrode (14) of a first polarity and at least one second electrode (16) of a second polarity, also comprising a film-like covering (24) which at least partially encloses the electrode subassembly (12); and at least one first current conducting device (20) which is connected in an electrically conductive manner to at least one first electrode (14) of the electrode subassembly (12) and at least partially protruding out from the covering (24), and at least one second current conducting device (22) which is connected in an electrically conductive manner to at least one second electrode (14) of the electrode subassembly (12) and protrudes at least partially from the covering (24). In order to increase the security, the covering (24) comprises at least one first functional layer (243) which is at least partially electrically conductive and is connected in an electrical conductive (21) manner to the at least one first electrode (14) of the electrode subassembly (12), and at least one electric insulating layer (245) which separates the first functional layer (243) of the covering (24), in the normal operating state of the energy storage cell (10), in a layer direction (25) of the covering, from the electrode subassembly (12). Also, the at least one first functional layer (243) of the covering (24) is connected to a measuring device (26) which is designed to detect an electric operational parameter and/or an electric operating parameter modification of the at least one first functional layer (243).
H01M 2/10 - Mountings; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
H01M 2/34 - Current-conducting connections for cells with provision for preventing undesired use or discharge
H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
G01R 31/36 - Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
19.
ELECTROCHEMICAL ENERGY STORAGE CELL AND ELECTROCHEMICAL ENERGY STORAGE DEVICE COMPRISING AT LEAST ONE ELECTROCHEMICAL ENERGY STORAGE CELL OF SAID TYPE
The invention relates to an electrochemical storage cell (10) containing an electrode subassembly (12) which has at least one first electrode (14) of a first polarity and at least one second electrode (16) of a second polarity, also comprising a film-like covering (24) which at least partially encloses the electrode subassembly (12); In order to increase the security, the covering (24) comprises at least one first function layer (243) which is at least partially electrically conductive and is connected in an electrical conductive (21) manner to the at least one first electrode (14) of the electrode subassembly (12), and at least one electric insulating layer (245) which separates the first functional layer (243) of the covering (24), in the normal operating state of the energy storage cell (10), in a layer direction (25) of the covering, from the electrode subassembly (12).
H01M 2/10 - Mountings; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
H01M 2/34 - Current-conducting connections for cells with provision for preventing undesired use or discharge
H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
G01R 31/36 - Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
20.
CONVERTER CELL WITH A CELL HOUSING, BATTERY WITH AT LEAST TWO SUCH CONVERTER CELLS, AND METHOD FOR MANUFACTURING A CONVERTER CELL
The invention relates to a converter cell (1) having: at least one electrode assembly (2) which is provided to at least temporarily make electrical energy available and which has at least two electrodes (3, 3a) of opposite polarity; at least one current conducting device (4, 4a) which is provided to be electrically connected to one of the electrodes (3, 3a) of the electrode assembly (2); and a cell housing (5) with a first housing part (6), wherein the first housing part (6) is provided to enclose the electrode assembly (2) at least in certain regions. The first housing part (6) comprises at least one functional device (8, 8a, 8b) which is provided to assist with the power supply from the electrode assembly (2) and which is effectively connected to the electrode assembly (2), and a first support element (7) which is provided to support the at least one functional device (8, 8a, 8b) and which is formed by a metal sheet.
The method for forming an electrochemical cell having a first outgoing conductor and a second outgoing conductor for a battery, preferably configured for application in motor vehicles, by means of a forming unit having a first contact element and a second contact element, wherein the first outgoing conductor has a first forming contact-making section embodied in a separable fashion and the second outgoing conductor has a second forming contact-making section embodied in a separable fashion, comprises the following steps: (S1a) pressing the first contact element of the forming unit onto the first forming contact-making section of the first outgoing conductor, (S1b) pressing the second contact element of the forming unit onto the second forming contact-making section of the second outgoing conductor, (S5) carrying out a forming treatment, (S6a) separating the first forming contact-making section from the first outgoing conductor, and (S6b) separating the second forming contact-making section from the second outgoing conductor.
H01R 4/26 - Connections in which at least one of the connecting parts has projections which bite into or engage the other connecting part in order to improve the contact
22.
METHOD FOR PRODUCING A SECONDARY BATTERY, HOUSING ASSEMBLY FOR SAID SECONDARY BATTERY, SECONDARY BATTERY HAVING THE HOUSING ASSEMBLY, METHOD FOR PRODUCING THE HOUSING ASSEMBLY, METHOD FOR OPERATING THE SECONDARY BATTERY
The method according to the invention for producing a secondary battery has the following steps: S1: provision of a used battery or secondary battery requiring disposal, said battery having at least one used secondary cell, the used secondary cell comprising one or more used secondary cells, S2: removal of at least one of the used secondary cells from the used secondary battery, S3: detection of at least one physical parameter, said physical parameter allowing conclusions to be drawn about the functional capability of the used secondary cell and/or reading of operating data relating to the used secondary cell, said operating data allowing conclusions to be drawn about the functional capability of the used secondary cell, S4: classification of the used secondary cell, S5: reconditioning of the used secondary cell if the physical parameter and/or the operating data indicate(s) an insufficient functional capability of the used secondary cell, S6: insertion of the used secondary cell into a receptacle of the secondary battery under production, S7: transmission of operating instructions to the battery control device of the secondary battery under production, said operating instructions being selected in accordance with the physical parameter and/or in accordance with the operating data.
The electrode stack (10) of an electrochemical cell for a battery, in particular for a battery designed for use in motor vehicles, has at least one separator strip (3) and a first number of first electrodes (1) with a first polarity, said separator strip (3) being arranged in a concertina fold in such a way that a first number of first electrode receiving chambers (4a, 4b) is formed. The first electrodes (1) having a first limb (1a), a second limb (1b) and a connecting region (1c) are designed in such a way that each first limb (1a) and second limb (1b) of said respective first electrodes (1) are arranged in the first electrode receiving chambers (4a, 4b) formed by the separator strip (3). In addition, the electrode stack (10) has a second number of second electrodes (2) with a second polarity, the separator strip (3) being arranged in a concertina fold in such a way that a second number of second electrode receiving chambers (5a, 5b) is formed. The second electrodes (2) having a first limb (2a), a second limb (2b) and a connecting region (2c) are designed in such a way that each first limb (2a) and second limb (2b) of said respective second electrodes (2) are arranged in the second electrode receiving chambers (5a, 5b) formed by the separator strip (3).
The invention relates to a housing assembly (5) for a secondary battery (1), comprising a receiving chamber (11) designed to receive at least one secondary cell (2, 2a) and a wall (4) designed to delimit the receiving chamber (11), said wall (4) having at least: a functional device (8, 8a, 8b) designed to permit or support the delivery of energy from the at least one secondary cell (2, 2a), said device being designed to be operatively connected to the at least one secondary cell (2, 2a); and a first support element (7) designed to support the at least one functional device (8, 8a, 8b), said first support element (7) being provided with a first polymer material.
The invention relates to an arrangement of electrochemical energy stores, comprising at least one first rechargeable electrochemical energy store (E1) and at least one second rechargeable electrochemical energy store (E1), the first and second energy stores being interconnected such that they can both exchange energy, by means of energy flows (S1, S2, S12), with one another, with at least one external energy source (ES), and with at least one external energy sink (ED). In said arrangement, a device (SE) is provided to control at least one of the energy flows into or out of the first and the second energy store in such a manner that damage to or overloading of the first energy store can be avoided or reduced by accepting damage to or overloading of the second energy store.
Converter cell (1) • with at least one, particularly rechargeable, electrode assembly (2) which is provided to make electrical energy available, at least temporarily, to a load, said assembly having at least two electrodes (3, 3a) of differing polarity, • with at least one current conducting device (4, 4a), which is provided to be connected electrically, preferably by a material bond, to one of the electrodes (3, 3a) of the electrode assembly (2), • and with a cell housing (5) having a first housing part (6), wherein the first housing part (6) is provided to enclose the electrode assembly (2) at least in regions. The first housing part (6) has at least • one functional device (8, 8a, 8b) that is provided to support the output of energy from the electrode assembly (2), particularly to a load, said functional device being operatively connected to the electrode assembly (2), particularly for receiving energy and • a first carrying element (7), which is provided to support the at least one functional device (8, 8a, 8b).
H01M 10/04 - Construction or manufacture in general
H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
H01M 10/0585 - Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
The invention relates to a power supply device, in particular for stationary use in a building, which is provided to supply one or more consumers with a first electrical output L1, at least from temporarily, comprising a first number N1 of battery modules, which have at least one preferably rechargeable electrochemical cell each, wherein the number N1 is to be calculated such that, taking the respective output of each battery module into consideration, a total electrical output which is at least equal to said first output can be conducted to the consumers, comprising a second number N2 of battery modules, which have at least one preferably rechargeable electrochemical cell each, wherein the number N2 is to be calculated such that, taking the respective output of each battery module into consideration, a total electrical output which is at least equal to an output ΔL can be conducted to the consumers.
Method for modifying an electrochemical cell, having at least the following steps: a) Provision of an electrochemical cell having at least the following cell components (101): at least one cathode, at least one anode and at least one layer arranged between the cathode and the anode, in particular a separator or polymer electrolyte, b) Execution of at least one charging and discharging operation on the electrochemical cell from a), c) Detection, and preferably localisation of a damage and/or defect of a first material (121) of at least one cell component (101), said material having been subjected to at least one first charging and discharging cycle according to b), d) Removal of at least parts of the damaged and/or defective first material from the at least one cell component, as a result of which at least one cell component is available, consisting of a first area (111) having the first material and a second area (131) from which damaged and/or defective material was removed, e) Incorporation of a second material (141) in the resulting second area (131) of the at least one cell component (101).
H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
H01M 10/54 - Reclaiming serviceable parts of waste accumulators
H01M 2/14 - Separators; Membranes; Diaphragms; Spacing elements
Converter cell (1) with at least one particularly rechargeable electrode assembly (2) which is intended to make electrical energy available to a consumer, at least temporarily, which has at least two electrodes (3, 3a) of differing polarity, comprising at least one current conducting device (4, 4a), which is intended to be connected electrically, preferably by a material bond, to one of the electrodes (3, 3a) of the electrode assembly (2), comprising a cell housing (5) with a first housing part (6), wherein the first housing part (6) is intended to enclose the electrode assembly (2) at least in certain regions.
The invention relates to a lithium-ion battery, comprising at least two electrodes which have at least in each case one metallic support and a material for intercalating metallic lithium or lithium ions or for conducting lithium ions, and with which the metallic support is coated. The metallic supports and the material form in each case a boundary layer between each other. The lithium-ion battery according to the invention also comprises a separator that separates the electrodes from each other and with which the material of the electrodes is coated, wherein the materials and the separator form each boundary layers between each other. Said battery is characterized in that a layer of material extends at least partially in at least one of the boundary layers, said material comprising graphene or being composed of graphene.
The invention relates to a method and a corresponding apparatus for producing an electrochemical energy storage cell which has at least one electrode stack (10) and/or electrode coil and a sleeve (20) which at least partially surrounds the electrode stack or electrode coil, wherein the energy storage cell is filled at least partially with electrolyte (30), and a massaging movement is exerted on the sleeve (20), which at least partially surrounds the electrode stack (10) or electrode coil.
H01M 10/04 - Construction or manufacture in general
33.
ELECTROCHEMICAL ENERGY CONVERSION DEVICE COMPRISING A CELL HOUSING, BATTERY COMPRISING AT LEAST TWO OF SAID ELECTROCHEMICAL ENERGY CONVERSION DEVICES, AND METHOD FOR THE PRODUCTION OF AN ELECTROCHEMICAL ENERGY CONVERSION DEVICE
Disclosed is an electrochemical energy conversion device (1) comprising at least one electrode subassembly (2), in particular a rechargeable one, which is to at least temporarily make available electric energy especially to a consumer and which includes at least two electrodes (3, 3a) of opposite polarity, further comprising at least one current conducting unit (4, 4a) to be electrically connected, preferably bonded, to one of the electrodes (3, 3a) of the electrode subassembly (2), and comprising a cell housing (5) that includes a first housing part (6) for at least partially enclosing the electrode subassembly (2).
H01M 2/34 - Current-conducting connections for cells with provision for preventing undesired use or discharge
H01M 10/04 - Construction or manufacture in general
H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
H01M 10/50 - Heating or cooling or regulating temperature (control of temperature in general G05D 23/00)
H01M 10/0587 - Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
H01M 2/06 - Arrangements for introducing electric connectors into or through cases
34.
ELECTROCHEMICAL ENERGY CONVERSION DEVICE COMPRISING A CELL HOUSING, BATTERY COMPRISING AT LEAST TWO OF SAID ELECTROCHEMICAL ENERGY CONVERSION DEVICES, AND METHOD FOR THE PRODUCTION OF AN ELECTROCHEMICAL ENERGY CONVERSION DEVICE
Disclosed is an electrochemical energy conversion device (1) comprising at least one electrode subassembly (2), in particular a rechargeable one, which is to at least temporarily make available electric energy especially to a consumer and which includes at least two electrodes (3, 3a) of opposite polarity, further comprising at least one current conducting unit (4, 4a) to be electrically connected, preferably bonded, to one of the electrodes (3, 3a) of the electrode subassembly (2), and comprising a cell housing (5) that includes a first housing part (6) for at least partially enclosing the electrode subassembly (2).
H01M 2/34 - Current-conducting connections for cells with provision for preventing undesired use or discharge
H01M 10/04 - Construction or manufacture in general
H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
H01M 10/50 - Heating or cooling or regulating temperature (control of temperature in general G05D 23/00)
H01M 10/0587 - Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
35.
BATTERY HAVING AT LEAST TWO ELECTROCHEMICAL ENERGY CONVERTERS, AND METHOD FOR OPERATING SAID BATTERY
Battery (1) having a converter arrangement (2) which has at least two electrochemical energy converters and which is provided for at least temporarily converting chemical energy into electrical energy and for at least temporarily providing electrical energy, in particular, to a load (31), wherein the energy converters are electrically connected to one another, in particular in series, wherein the converter arrangement (2) has two arrangement connections (6, 6a) of differing polarity to which an arrangement voltage is applied, wherein the arrangement voltage corresponds to the electrical voltage of the converter arrangement (2), having two battery connections (3, 3a) of differing polarity which are provided for electrical connection to the load (21) and which are at least temporarily electrically connected to the arrangement connections (6, 6a), having a functional device (5, 5a) which is intended to be connected at least indirectly to said arrangement connections (6, 6a) of differing polarity and which is intended to be moved from a first state to a second state, wherein the arrangement connections (6, 6a) of differing polarity which are connected to the functional device (5, 5a) are electrically insulated from one another in the first state, and are electrically connected to one another in the second state.
H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
In an electrochemical energy store or energy converter having an electrochemically active material in a package (1) or in a housing (1) which is composed of electrochemically inactive material, a wall (2) of the package or of the housing or a device (3) of the energy store or energy converter, which device is fitted or arranged in, at or on a wall of the package or of the housing, has a sealing material (4) at least at points, the specific volume of said sealing material increasing when a threshold temperature is exceeded. The sealing material can be arranged in, at or on the wall of the package or of the housing in such a way that the increase in the specific volume of the sealing material which occurs when the threshold temperature is exceeded can contribute to sealing off a leak (5) in the package or in the housing or to closing an opening (6) in a device of the energy store or energy converter.
The invention relates to a cell housing (5) for an electrochemical cell (10) for building an electro-chemical energy store, preferably designed for use in a motor vehicle, which cell housing is essentially of rigid construction and is provided with a first housing side wall (1) and a second housing side wall (2) located opposite the first housing side wall (1). The first housing side wall (1) is further provided with a first cooling agent channel (3), and the second housing side wall (2) is provided with a second cooling agent channel (4).
H01M 2/10 - Mountings; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
H01M 10/50 - Heating or cooling or regulating temperature (control of temperature in general G05D 23/00)
38.
ELECTROCHEMICAL ENERGY STORAGE DEVICE, BATTERY COMPRISING AT LEAST TWO OF SAID ELECTROCHEMICAL ENERGY STORAGE DEVICES, AND METHOD FOR OPERATING SAID ELECTROCHEMICAL ENERGY STORAGE DEVICE
Electronic energy storage device (1) comprising at least one in particular rechargeable electrode assembly (2), which is intended to provide electrical energy at least temporarily, and which has at least two electrodes (3, 3a) of different polarity, comprising a function device (5), which is intended to be electrically connected to the at least two electrodes (3, 3a) of different polarity and which is intended to be transferred to a second state, wherein the electrodes (3, 3a) of different polarity are electrically connected to one another in the second state of the function device (5), and comprising a cell housing (6), which is intended to surround at least regions of the electrode assembly (2) and the function device (5).
The invention relates to an energy storage device as well as to a method for producing an energy storage device, comprising two or more energy storage cells (14) each of which has at least one electrode stack and/or electrode winding, and two or more tray-shaped containers (10) each of which comprises a base surface (11), a tray wall (12), and an opening (13) located opposite said base surface (11), with one energy storage cell (14) being arranged in each tray-shaped container (10). In order to simplify construction and production, these tray-shaped containers (10) are aligned with one another or stacked one on top of the other in such a manner that the base surface (11) of a first tray-shaped container (10), having an energy storage cell (14) arranged therein, is arranged in or introduced into a second tray-shaped container (10) that has an energy storage cell (14) arranged therein.
A secondary cell (1) has a rechargeable electrode assembly (2), which is provided to supply electrical energy, at least at certain times, and which has at least two electrodes (2a, 2b) of different polarities and a separator arranged between said electrodes. The secondary cell (1) additionally has at least one current-conducting device (3), which is provided to supply a load with electrical energy from the electrode assembly (2) and which is electroconductively connected to the electrode assembly. The secondary cell (1) also provides at least one measuring device (6) for detecting an operating status, particularly an operating status of the electrode assembly (2), and a safety device (8) for reducing a current-conduction cross-section of the current-conducting device (3) and thus bringing about a safety status if the measuring device (6) detects a faulty operating status deviating from a normal operating status.
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
H01M 2/34 - Current-conducting connections for cells with provision for preventing undesired use or discharge
The invention relates to a method for producing sheet or plate-shaped objects, in particular for producing electrodes and/or separators for constructing an electrochemical energy storage device, preferably designed for application in a motor vehicle, or parts of such electrodes and/or such separators, wherein the sheet or plate-shaped objects have a first object face and a second object face opposite the first object face. The production method according to the invention includes the following steps: reducing (S5') the electrostatic charge on the first object face of the sheet or plate-shaped object by applying a plasma, in particular an atmospheric plasma, to act on the first object face of the sheet or plate-shaped object, and reducing (S5") the electrostatic charge on the second object face of the sheet or plate-shaped object by applying a plasma, in particular an atmospheric plasma, to act on the second object face of the sheet or plate-shaped object.
The invention relates to a system for producing sheet-shaped or panel-shaped objects which comprise at least one active surface, particularly for the production of electrodes, or of parts of such electrodes, for building an electrochemical energy store that is preferably designed for use in a motor vehicle, these sheet or panel-shaped objects having a first object side and a second object side which lies opposite said first object side, and the production system comprising a first radiation device, particularly a first laser device, which is arranged and designed such that it can alter the roughness of the active surface on the first object side of the electrode. The invention also relates to a method for producing sheet-shaped or panel-shaped objects which comprise at least one active surface, particularly for the production of electrodes, or of parts of such electrodes, for building an electrochemical energy store that is preferably designed for use in a motor vehicle, these sheet or panel-shaped objects having a first object side and a second object side which lies opposite this first object side, and said production method comprising the step of: altering the roughness of the active surface on the first object side using a first radiation device, in particular a first laser device.
H01M 4/48 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
H01M 4/58 - Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFySelection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates
H01M 4/485 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
H01M 4/131 - Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
H01M 4/1391 - Processes of manufacture of electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
B23K 26/00 - Working by laser beam, e.g. welding, cutting or boring
The method for operating a battery having a plurality of electrochemical cells, in particular a battery configured for use in motor vehicles, comprising a battery control unit includes the steps of: (S2) capturing operating parameter data (DPar.) of the battery; (S3) transmitting the operating parameter data (DPar.) to a control unit; (S4) determining and checking by means of the control unit whether for the battery there is a predetermined relationship of the operating parameter data (DPar.) in relation to predetermined operating parameter values (WPar.1, WPar.2, WPar.3, WPar.4, WPar.5); and (S5) carrying out a normal operating mode of the battery if in the preceding stage (S4) it has been determined that for the captured operating parameter data (DPar.) of the battery the predetermined relationship in relation to predetermined operating parameter values (WPar.1, WPar.2, WPar.3, WPar.4, WPar.5) is provided. If in the step (S2) of determining whether for the captured operating parameter data (DPar.) of the battery the predetermined relationship of the operating parameter data (DPar.) in relation to the predetermined operating parameter values (WPar.1, WPar.2, WPar.3, WPar.4, WPar. 5) is provided it has been determined that for the captured operating parameter data (DPar.) of the battery the predetermined relationship in relation to the predetermined operating parameter values (WPar.1, WPar.2, WPar.3, WPar.4, WPar.5) is not provided, the method includes the further steps of: (S6) transmitting a query to a decision unit as to whether an exceptional operation of the battery is to be carried out; (S7) determining a response by means of the decision unit to the query; (S12) transmitting the response to the battery control unit; (S13) carrying out an exceptional operation of the battery depending upon the response transmitted in the preceding step (S12) by means of the battery control unit if in the preceding step (S7) it has been determined by means of the decision unit that the exceptional operation of the battery is to be carried out.
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
G01R 19/165 - Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
G01R 31/36 - Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
44.
ELECTRICAL ENERGY STORAGE DEVICE WITH FLAT STORAGE CELLS
In an electrical energy storage device (1) having a plurality of flat storage cells (2) for storing and emitting electrical energy, which have flat output leads (4) arranged on the narrow sides of the storage cells (2), and having a holding device (5) for fixing the storage cells (2), at least one storage cell (2) is fixed, by the holding device (5), on at least two narrow sides lying, in particular, opposite each other. The storage cell (2) is subjected by the holding device (5) to a tensile force which acts in the extension plane of the storage cell (2), the storage cell (2) being tensioned by said force. The holding device (5) can also have a cooling device for cooling the storage cells (2), wherein the storage cells (2) can be cooled, more particularly via the output leads (4) thereof.
An electrode stack (12) for an energy storage cell (10) has first and second electrodes (20, 22), which are arranged in a stacking direction in an alternating manner with each other and which comprise active layers, and separators (24) arranged between the first and the second electrodes (20, 22). Each of the first electrodes (20) is formed with a through-opening (26) at a first position and with a region (28) that is free of the active layer at a second position; each of the second electrodes (22) is formed with a region (30) that is free of the active layer at a first position and with a through-opening (32) at a second position; and each of the separators (24) is formed with a through-opening (34) at a first position and with a through-opening (36) at a second position. The through-openings (34, 36) of the separators (24) at the first and second positions are formed smaller than the through-openings (26) of the first electrodes (20) at the first positions or the through-openings (32) of the second electrodes (22) at the second positions. In order to electrically contact the electrode stack (12), the first electrode (20) regions (28) that are free of the active layer are connected to one another in an electrically conductive manner through the through-openings (32, 36) of the second electrodes (22) and of the separators (24), and the second electrode (22) regions (30) that are free of the active layer are connected to one another in an electrically conductive manner through the through-openings (26, 34) of the first electrodes (20) and of the separators (24).
An energy storage cell (10) has at least one electrode stack (12) which is disposed inside a cell cover (11), a first cell connector (14) which is disposed at least partially outside the cell cover (11) and is electrically conductively connected via at least one first current collector (18) to the at least one electrode stack (12), and a second cell connector (16) which is disposed at least partially outside the cell cover (11) and is electrically conductively connected via at least one second current collector (20) to the at least one electrode stack (12). The energy storage cell (10) also has at least one electrical load (24) for example in the form of a resistor which is connected in parallel to the at least one electrode stack (12), and at least one switching device (26, 32) which is connected in series to the at least one electrical load (24), wherein the at least one switching device (26, 32) can be actuated in order to discharge the at least one electrode stack (12) via the at least one electrical load (24). A third cell connector (34) is preferably also provided, which is disposed at least partially outside the cell cover (11) and is electrically conductively connected via the first or the second current collector (18, 20) to the at least one electrode stack, wherein said third cell connector (34) is connected in series to the at least one electrical load (24).
H01M 2/34 - Current-conducting connections for cells with provision for preventing undesired use or discharge
H01M 10/04 - Construction or manufacture in general
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
47.
PRODUCTION METHOD FOR AN ENERGY STORAGE APPARATUS, AND AN ENERGY STORAGE APPARATUS WHICH IS PRODUCED BY MEANS OF THIS METHOD
Method for producing an energy storage apparatus which has a dimensionally rigid housing device (3), an electrode assembly (2) and an electrode assembly foil device (1), wherein this electrode assembly (2) has at least a positive electrode and a negative electrode, and wherein this electrode assembly foil device (1) has a first (7a), a second (7b) and a third (7c) spatial extent, wherein this third spatial extent (7c) is low compared to this first (7a) and this second (b) extent, and wherein this electrode assembly foil device (1) can be moved from a first to a second state by means of a change in pressure, wherein this first and this second state differ from one another by virtue of a change in this third spatial extent (7c).
The invention relates to a cell frame (10) that is designed to receive at least one electrochemical cell (1) of a battery, in particular a battery designed for use in motor vehicles, wherein the electrochemical cell (1) is preferably of flat design. The electrochemical cell (1) further comprises at least one flat edge region (2) and also at least one first conductor (3) and at least one second conductor (4). The cell frame (10) comprises a first frame part (11), in particular a frame top part, and a second frame part (12), in particular a frame bottom part, wherein the first frame part (11) and the second frame part (12) are designed to hold the flat edge region (2) of the electrochemical cell (1) and to provide a feed-through for the first conductor (3) and the second conductor (4). In addition, the cell frame (10) comprises at least one conductor-holding device for the first conductor (3) and/or for the second conductor (4).
The cell frame (10) is designed to receive at least one electrochemical cell (1) of a battery, particularly a battery that is designed for use in motor vehicles, the electrochemical cell (1) having preferably a flat design. An essentially circular tie rod passage (15) is in each case arranged in corner regions of the cell frame (10) and essentially perpendicular to the base surface of the cell frame (10) for guiding a tie rod. A sleeve (18) having a circumferential protrusion (20) is arranged in the tie rod passages (15), wherein the tie rod passages (15) comprise a circumferential inner bearing surface (19) and the circumferential inner bearing surface (19) in the tie rod passage (15) is designed and arranged for supporting the circumferential protrusion (20) of the sleeve (18).
The cell frame (10) is designed to receive at least one electrochemical cell (1) of a battery, particularly a battery that is designed for use in motor vehicles, the electrochemical cell (1) having preferably a flat design. The electrochemical cell (1) further comprises at least one first arrester (3) and at least a second arrester (4). The first arrester (3) comprises in a first fastening region that bears against an outer side of the cell frame (10) at least one first fastening opening (5) for the passage of a first fastening means that is designed for the fastening of the first arrester (3) and is connected to a first mating piece (23) arranged in the cell frame (10).
The invention relates to the use of at least one polymer having a carbon primary chain and at least 5, preferably 10 carbon side chains connected to the primary chain, wherein the number of side chains equals 0.5 to 2.5 based on 100 monomer units of the primary chain, and, independently, the number of carbon atoms per side chain equals 100 to 500, characterized in that the polymer is used as an electrolyte component for a lithium ion battery.
A method for producing electrochemical cells (1) for a battery has the following steps: (S2) supplying a precursor of the electrochemical cell (1) to a filling apparatus (11), (S3) filling the precursor of the electrochemical cell (1) with an electrolyte, (S4) supplying the precursor of the electrochemical cell (1) to a charging apparatus (13), (S5) performing a first charging operation of the precursor of the electrochemical cell (1), (S10) supplying a precursor of the electrochemical cell (1) to a rolling apparatus (17), (S11) rolling the precursor of the electrochemical cell (1) with at least one, preferably two rolling rollers (18, 19), (S12) supplying the precursor of the electrochemical cell (1) to a measuring apparatus (21), (S13) detecting parameter data (DPar.) of the precursor of the electrochemical cell (1) for determining at least one subsequent processing step of the precursor of the electrochemical cell (1), (S14) transmitting the parameter data (DPar.) to a control unit (22), (S15) allocating the precursor of the electrochemical cell (1) to the parameter data (DPar.), preferably storing the parameter data (DPar.) relating to the precursor of the electrochemical cell (1), (S16) determining, by means of the control unit (22), whether a predetermined relationship between the parameter data (DPar.) and predetermined parameter values (WPar., WPar.1, WPar.2, WPar.3, WPar. 4, WPar.5) is present for the precursor, allocated to the parameter data, of the electrochemical cell (1), (S17a) performing a first predetermined processing step of the precursor of the electrochemical cell (1) when it has been determined that the predetermined relationship between the parameter data (DPar.) and the predetermined parameter values (WPar., WPar.1, WPar.2, WPar.3, WPar.4, WPar.5) is present, and preferably (S17b) performing a second predetermined processing step of the precursor of the electrochemical cell (1) when it has been determined that the predetermined relationship between the parameter data (DPar.) and the predetermined parameter values (WPar., WPar.1, WPar.2, WPar.3, WPar. 4, WPar.5) is not present.
The cell frame (10) is designed to include at least one electrochemical cell of a battery, especially a battery designed for use in vehicles, wherein the electrochemical cell is preferably designed to be flat. The cell frame (10) has at least one outer part (2) with a number of preferably fixed functional element holding sections (3) designed and located for mounting functional elements, and at least one flexible inner part (1), which is located at least partially on one inner surface of the outer part (2), preferably on four inner surfaces of the outer part (2), and which is designed and located for holding the electrochemical cell. Moreover, the cell frame (10) is designed for connection to another cell frame on at least one longitudinal side surface, preferably for connection to another cell frame on each of two longitudinal side surfaces.
The invention relates to a method for cutting sheet-shaped or plate-shaped objects (1) having thermoplastic synthetic fibres as substrate material, in particular electrodes and/or separators for the construction of an electrochemical energy accumulator or parts of such electrodes or separators, said method including the steps of: (S1) guiding the objects (1) to be cut towards a laser cutting device (2), and (S2) cutting the objects (1) with the laser cutting device (2) in such a way that a fusion of at least some of the thermoplastic synthetic fibres is carried out on the cut edges (3). The invention further relates to a system (10) for cutting sheet-shaped or plate-shaped objects (1) having thermoplastic synthetic fibres as substrate material, in particular for cutting electrodes and/or separators for the construction of an electrochemical energy accumulator or parts of such electrodes or separators, wherein the cutting system (10) includes a transport device (5), which is configured for guiding the objects (1) to be cut towards a laser cutting device (2), and a laser cutting device (2) which is configured for cutting the objects (1) such that a fusion of at least some of the thermoplastic synthetic fibres is performed on the cut edges (3).
The invention relates to an energy storage device comprising an electrode winding (12) with at least one winding layer (30) wound around a winding core (13), said winding layer comprising an anode layer, a cathode layer, a separator layer that is arranged between the anode layer and the cathode layer and can accommodate an electrolyte, and an insulation layer provided on the anode layer and/or cathode layer, or the invention relates to an electrode stack having a plurality of stack layers which comprise in each case an anode layer, a cathode layer, a separator layer which is arranged between the anode layer and the cathode layer and can accommodate an electrolyte, and an insulation layer provided on the anode layer and/or cathode layer. In order to ensure an enhanced functional reliability while keeping the structure simple, at least one inner functional layer (40) is arranged in the winding core (13) or between two stack layers which are provided in the interior, in particular in the central region of the electrode stack, said functional layer comprising a carrier layer that is at least partially permeable to substances.
The method according to the invention is used for producing an electrochemical cell, hereafter also referred to as a secondary cell, wherein the secondary cell is in particular designed for use in motor vehicles. The secondary cell has an electrode arrangement, which is used at least temporarily for providing electrical energy. The electrode arrangement has an end face, the dimension of which in one direction is referred to below as end face length. Furthermore, the secondary cell has at least one first outgoing conductor lug. The first outgoing conductor lug is electrically connected to the electrode arrangement and extends out of the electrode arrangement, in particular out of the end face thereof. The first outgoing conductor lug has a first side lower face and a first side upper face. Furthermore, the secondary cell has at least one first cell contact device with a first cell contact, which is designed for connection to the first outgoing conductor lug. The first cell contact device is designed to conduct electrical energy at least temporarily out of the electrode arrangement in the direction of a load to be supplied. The first cell contact device has a first cell contact with a first, in particular plate-shaped base part and a first add-on part, which is in particular in the form of an add-on plate. The method according to the invention comprises: applying a first add-on part to a first side lower face of the first outgoing conductor lug, referred to below as step (S1c). In a further step, referred to below as step (S1b), a first base part of the first cell contact device is applied to a first side upper face of the first outgoing conductor lug. In a further step, referred to below as step (S2), at least one electrically conductive connection between the first base part and the first outgoing conductor lug is produced.
A housing cover (2) for an electrochemical energy accumulator having a cup-shaped housing (1) comprises at least one first cell contact (3, 4). Said cell contact is shaped such that a planar segment (8, 9) of said first cell contact, when the housing cover is placed on the housing, projects into the interior of the housing in such a way that at least one collector tab (6, 7) projecting out of the electrode stack or electrode coil (5) surrounded by the housing can be connected to said segment in an electrically conductive manner and face to face.
ELECTROCHEMICAL ENERGY STORAGE CELL HAVING A METALLIC HOUSING AND METHOD FOR PRODUCING AN ELECTROCHEMICAL ENERGY STORAGE CELL HAVING A METALLIC HOUSING
An electrochemical energy storage device according to the invention, also referred to below as a secondary cell, comprises an electrode assembly. The electrode assembly comprises at least a separator and two electrodes of differing polarity. The separator is arranged between two electrodes. The electrode assembly is provided in order to supply electrical energy at least intermittently. The secondary cell also comprises one, two or a plurality of current collectors. A current collector is provided in order to be connected to the electrode assembly in an essentially electrically conductive manner, preferably to one of the electrodes and preferably by means of a material-fitting connection, more preferably by means of a welded connection. The secondary cell further comprises at least two, in particular metallic, molded housing parts. The molded housing parts are provided in order to delimit the electrode assembly with respect to the surroundings of the secondary cell. The molded housing parts are also provided for the essentially form-fitting and/or material-fitting connection to one another, wherein, preferably, the connected molded housing parts form a housing around the electrode assembly. At least one, preferably two current collectors are connected to a molded housing part in an essentially form-fitting and/or material-fitting manner, in particular to the same molded housing part. At least one of the molded housing parts is provided in order to accommodate the electrode assembly in an essentially form-fitting and/or force-fitting manner.
H01M 10/0587 - Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
The electrochemical energy accumulation device comprises an energy accumulator cell (10) with an electrode stack and a cover; a current collector (12) which is connected to the electrode stack of the energy accumulator cell (10) in an electrically conductive manner and which has at least one contact section (12a) at least portions of which are arranged outside the covering of the energy accumulator cell (10); and a housing (16, 18) accommodating the energy accumulator cell (10) and the current collector (12). The accumulator device further comprises a contact element (20) which has a first contact section (20a), arranged inside the housing (16, 18) and connected to the contact section (12a) of the current collector (12) in an electrically conductive manner, preferably connected face to face by ultrasonic welding, and a second contact section (20c) at least part of which is arranged outside the housing (16, 18). The first contact section (20a) of said contact element (20), in the direction of connection to the contact section (12a) of the current collector (12), has a small material thickness as compared to the second contact section (20c) of the contact element (20).
The present invention relates to an energy accumulator device comprising at least one energy accumulator cell with an electrode stack (2) or an electrode coil and a container (1) for accommodating the energy accumulator cell. The invention further relates to a corresponding battery arrangement and to the use thereof. In order to prevent instances of impairment of the functioning of the energy accumulator cell as far as possible, at least one thermoconductive layer (10) is provided between the energy accumulator cell, especially the electrode stack (2) or the electrode coil, and at least one wall of the container (1), by way of which layer heat can be carried off from the energy accumulator cell, especially towards the wall of the container (1).
The method according to the invention relates to producing an electrochemical cell, henceforth also referred to as a secondary cell, wherein the secondary cell is configured, in particular, for use in motor vehicles. The secondary cell comprises an electrode array for providing electrical energy, at least intermittently. The electrode array has an end face, the dimension of which in one direction is subsequently referred to as end face length. The secondary cell further comprises at least one first arrester unit. The first arrester unit is electrically connected to the electrode array and extends from the electrode array, in particular from the end face thereof. The first arrester unit is provided with a first, preferably U-shaped receptacle, in particular having a first opening, and in particular having at least two groups of arrester lugs. The first receptacle is configured to receive an electrically conductive molded part, in particular a so-called first foot section. The secondary cell further comprises at least one cell contact means having a first cell contact, which is configured to connect to the first arrester unit. The first cell contact is configured to conduct electrical energy from the electrode array in the direction of a consumer to be supplied, at least intermittently. The first cell contact means is further provided with a first electrically conductive, in particular plate shaped foot section. The method according to the invention comprises: inserting the first foot section into the first receptacle, subsequently referred to as step (S1). In a further step, subsequently referred to as step (S2), at least one, preferably two or more electrically conductive connections of the first foot section with the first receptacle are established, preferably by way of a bonding technique, especially preferably by way of ultrasonic welding.
The electrochemical energy storing device has an energy storing cell (10) with an electrode stack and a casing; and at least one current collector (12) which has a first contact portion (12a) that is connected to the electrode stack of the energy storing cell (10) in an electrically conductive manner and a second contact portion (12b) that is arranged at least partly outside of the casing of the energy storing cell (10). At least one contact element (14) is further provided which has a first contact portion (14a) that is connected to the second contact portion (12b) of the current collector (12) in an electrically conductive manner, preferably welded face-to-face using ultrasound, and a second contact portion (14b) for electrically contacting the energy storing device. The first contact portion (12a) and the second contact portion (12b) of the current collector (12) are first oriented in a substantially perpendicular manner relative to each other, and the second contact portion (12b) of the current collector (12) is bent after being welded to the first contact portion (14a) of the contact element (14) so as to then run substantially parallel to the first contact portion (12a) of the current collector (12).
The invention relates to an energy storage device comprising at least one energy storage cell having an electrode stack (2) or an electrode winding. In order to ensure an enhanced functional reliability while keeping the structure simple, at least one outer functional layer (10) is provided on at least one outer wall of the energy storage cell, in particular the electrode stack (2) or electrode winding, said outer functional layer comprising a carrier layer that is at least partially permeable to substances.
An electrochemical energy storage device according to the invention, henceforth referred to as a secondary cell, has an electrode subassembly. The electrode subassembly has at least one separator and two electrodes of different polarity. The separator is arranged between two electrodes. The electrode subassembly is intended to provide electrical energy, at least from time to time. Furthermore, the secondary cell has one, two or more current collectors. One current collector is intended to be connected, in particular electrically conductively connected, to the electrode subassembly, preferably to one of the electrodes, preferably by means of an integral connection, particularly preferably by means of a welded connection. Furthermore, the secondary cell has at least two in particular metal housing preforms. The housing preforms are intended to delimit the electrode subassembly with respect to the surroundings of the secondary cell. In addition, the housing preforms are intended to be connected to one another, in particular in a form-fitting and/or integral manner, wherein the connected housing preforms preferably form a housing around the electrode subassembly. At least one current collector, preferably two current collectors, are connected to a housing preform, in particular in a form-fitting and/or integral manner, in particular to the same housing preform. At least one of the housing preforms is intended to receive the electrode subassembly, in particular in a form-fitting and/or force-fitting manner, and preferably to brace the electrode subassembly.
The invention relates to a method for homogenizing a mixture which comprises at least one material which can conduct lithium ions or intercalate lithium, and water, characterized in that the mixture additionally comprises a styrene-butadiene rubber (SBR) and in that the method comprises at least the step (I): (I) multiple extrusion of the mixture.
The process of the invention serves to produce an electrochemical cell, hereinafter also referred to as secondary cell (1), where the secondary cell (1) is configured, in particular, for use in motor vehicles. The secondary cell has: an electrode arrangement (2) having at least one first electrode and a second electrode of different polarity and a separator, where the separator is arranged between two electrodes and the electrode arrangement (2) is configured so as to provide electric energy at least at times and the first electrode is electrically connected to a first power outlet tab (5a) and the second electrode is electrically connected to a second power outlet tab (5b) which extend from the electrode arrangement (2), a lower housing part (3) which is configured for accommodating the electrode arrangement (2), an electrolyte, at least one first power outlet lead (4a) which is to be assigned to the first power outlet tabs (5a) and a second power outlet lead (4b) which is to be assigned to the second power outlet tabs (5b) and an upper housing part (6) which has at least one first cut-out (7a) which is configured for passing-through of the first power outlet lead (4a), and a second cut-out (7b) which is configured for passing-through of the second power outlet lead (4b). The process of the invention comprises: introduction (S1) of the electrode arrangement (2) into the lower housing part (3), introduction (S2) of the electrolyte into the electrode arrangement (2), bringing together (S3a) of the first power outlet lead (4a) and the first power outlet tab (5a), bringing together (S3b) of the second power outlet lead (4b) and the second power outlet tab (5b), establishment (S4a) of an electrically conductive connection of the first power outlet lead (4a) with the first power outlet tab (5a), establishment (S4b) of an electrically conductive connection of the second power outlet lead (4b) with the second power outlet tab (5b), bringing together (S5) of the upper housing part (6) and the lower housing part (3) and joining (S6) of the upper housing part (6) to the lower housing part (3).
The invention relates to a lithium ion battery which comprises: at least one positive electrode; one negative electrode; one separator which separates the electrodes from each other; and one electrolyte, characterized in that the positive or negative electrode comprises, or the positive and the negative electrode comprise a styrene-butadiene rubber (SBR), and the separator comprises a preferably non-interwoven mat made of polymer fibers, which is coated on one or on both sides with an inorganic material that is conductive for lithium ions.
H01M 2/16 - Separators; Membranes; Diaphragms; Spacing elements characterised by the material
H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
H01M 10/0585 - Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
68.
ELECTROCHEMICAL ENERGY STORE AND PROCESS FOR THE PRODUCTION THEREOF
In an electrochemical energy store (1), power outlet tabs (3, 4, 5, 6, 7, 8) of current collectors (9, 10) which have the same electrical polarity and project from an electrode assembly (2) are held together between two legs (11, 12, 13, 14) of an electric power outlet lead (15, 16).
The invention relates to a method for extinguishing or avoiding a fire in an electrochemical device (10) arranged in a container (1), wherein the fire, or overheating, is detected by means of a sensor unit (9) and then a distinguishing or cooling operation is triggered, wherein, for extinguishing or cooling purposes, the interior of the container (1) is flooded with a quantity of liquid medium. The invention further relates to a container (1) for storing, transporting or for testing an electrochemical device (10).
A62C 3/16 - Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
70.
SAFETY CONTAINER FOR HANDLING AN ELECTROCHEMICAL DEVICE, AND METHOD FOR HANDLING AN ELECTROCHEMICAL DEVICE ARRANGED IN A SAFETY CONTAINER
The invention relates to a safety container (20) for an electrochemical device. The safety container (20) has a lower safety-container part (21), having at least a first, preferably a first thermal, protection element (21a) and having an accommodating region (23) for the electrochemical device, and an upper safety-container part (22), having at least a second, preferably a second thermal, protection element (22b) and having an air-discharge opening (24), wherein the accommodating region (23) of the lower safety-container part (21) is configured for accommodating at least one electrochemical device, and wherein the lower safety-container part (21) is configured with at least a first connecting part (31), and the upper safety-container part (22) is configured with at least a second connecting part (32), for connecting the lower safety-container part (21) and the upper safety-container part (22) in a releasable manner.
A62C 3/16 - Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
Electrochemical cell having at least one negative electrode and at least one positive electrode, wherein the at least one negative electrode and/or the at least one positive electrode has electrochemical active material which is capable of forming a "solid electrolyte interface", i.e. an SEI layer, on at least parts of the surface of the at least one negative electrode and/or the at least one positive electrode, wherein the electrochemical active material is treated at least partially by at least one predetermined measure which is not charging or discharging of an electrochemical cell and involves renewal and/or reformation of the SEI layer. Furthermore, it involves electrochemical active material which has already been subjected to at least one charging and discharging cycle, wherein the at least one charging and discharging cycle was not implemented for the purpose of conditioning the electrochemical cell, obtainable by application of at least one predetermined measure in respect of the electrochemical active material, wherein the at least one predetermined measure is not charging or discharging of an electrochemical cell and involves renewal and/or reformation of the SEI layer.
Lithium-ion battery, at least having: a positive electrode, a negative electrode, a separator; characterized in that the positive electrode and the negative electrode or the positive electrode or the negative electrode have/has an electrode material which contains active material used for the first time in an electrochemical cell and a proportion of recycled active material, wherein the active material is selected from a material which can absorb or emit lithium ions or lithium, and wherein the recycled active material differs from the active material used for the first time in an electrochemical cell in terms of at least one of the following properties: stoichiometry, structure or particle size.
H01M 4/58 - Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFySelection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates
H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
H01M 4/485 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
A method for producing electrochemical cells (1) for a battery has the following steps: (S4) feeding the pre-product of the electrochemical cell (1) to a rolling device (10), (S5) rolling the pre-product of the electrochemical cell (1) with rolling rollers (11, 12) and preferably (S5a) sealing a first reserve region (2) arranged laterally on the pre-product of the electrochemical cell (1), (S6) feeding the pre-product of the electrochemical cell (1) to a first measuring device (13), (S7) sensing parameter data (DPar.) of the pre-product of the electrochemical cell (1) to determine at least one subsequent treatment on the pre-product of the electrochemical cell (1), (S8) transmitting the parameter data (DPar.) to a control unit (14), (S9) assigning the pre-product of the electrochemical cell (1) to the parameter data (DPar.), preferably storing the parameter data (DPar.) relating to the pre-product of the electrochemical cell (1), (S10) determining by means of the control unit (14) whether a predetermined relationship of the parameter data (DPar.) with respect to predetermined parameter values (WPar., WPar.1, WPar.2, WPar.3, WPar.4, WPar.5) exists for the pre-product of the electrochemical cell (1) that is assigned to the parameter data, and (S11) carrying out a first predetermined treatment on the pre-product of the electrochemical cell (1) if existence of the predetermined relationship of the parameter data (DPar.) with respect to the predetermined parameter values (WPar., WPar.1, WPar.2, WPar.3, WPar.4, WPar.5) has been determined, and preferably carrying out a second predetermined treatment on the pre-product of the electrochemical cell (1) if non-existence of the predetermined relationship of the parameter data (DPar.) with respect to the predetermined parameter values (WPar., WPar.1, WPar.2, WPar.3, WPar.4, WPar.5) has been determined.
H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
H01M 10/0585 - Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
The invention relates to an electrochemical cell having at least: a first electrode with a first material that can conduct lithium ions or can intercalate metallic lithium and that is porous; a second electrode with a second material that can conduct lithium ions or can intercalate metallic lithium; a third material which separates the first and second materials from one another, is permeable to lithium ions and is a non-conductor of electrons; a lithium-salt electrolyte. At least part of the second material extends into the pores of the first material or is present in said pores.
H01M 10/0585 - Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
The invention relates to a power supply system (1), in particular for an electric or hybrid drive of a motor vehicle, comprising the following components: an electric energy storage unit (2), which supplies a low voltage, and which is provided with at least one energy storage cell (3) and/or with at least one cell module (4) made of at least two energy storage cells (3); an electrical load (5) that is operated at high voltage; a voltage converter (6), in particular a DC-DC converter, which converts low voltage to high voltage and/or high voltage to low voltage; and a control device (8) for controlling the electric energy storage unit (2). The power supply system (1) further comprises a low voltage region (9), in which the electric energy storage unit (2) is arranged, and a high voltage region (10), in which the electric load (5) is arranged. According to the invention, the control device (8) is substantially arranged in the low voltage region (9) of the power supply system (1). In a particularly preferred embodiment of the invention, the control device (8) is substantially integrated in the voltage converter (6).
B60L 3/00 - Electric devices on electrically-propelled vehicles for safety purposesMonitoring operating variables, e.g. speed, deceleration or energy consumption
B60L 3/04 - Cutting-off the power supply under fault conditions
B60L 11/00 - Electric propulsion with power supplied within the vehicle (B60L 8/00, B60L 13/00 take precedence;arrangements or mounting of prime-movers consisting of electric motors and internal combustion engines for mutual or common propulsion B60K 6/20)
76.
METHOD FOR TREATING AND/OR REPAIRING AN ELECTROCHEMICAL CELL, AND BATTERY HAVING A PLURALITY OF SUCH ELECTROCHEMICAL CELLS
The invention relates to a method for treating and/or repairing electrochemical cells for a battery, the method comprising the steps of: (S1) detecting parameter data (DPar.) of an individual electrochemical cell to be examined, in order to determine at least one of the subsequent treatment steps (S5) for the individual electrochemical cell; (S2) transmitting the parameter data (DPar.) to a control unit; (S3) associating the electrochemical cell with the parameter data (DPar.), preferably storing the parameter data (DPar.) for the electrochemical cell; (S4) determining, by way of the control unit, if a predetermined correlation of the parameter data (DPar.) relative to predetermined parameter values (WPar, WPar.1, WPar.2, WPar.3, WPar.4, WPart.5) exists for the parameter data associated with the electrochemical cell, and carrying out a first predetermined treatment step of the electrochemical cell, if the existence of a predetermined correlation of the parameter data (DPar.) relative to the predetermined parameter values (WPar, WPar.1, WPar.2, WPar.3, WPar.4, WPart.5) was determined, and preferably, carrying out a second predetermined treatment step of the electrochemical cell if it was determined that a predetermined correlation of the parameter data (DPar.) relative to the predetermined parameter values (WPar, WPar.1, WPar.2, WPar.3, WPar.4, WPart.5) does not exist.
H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
G01R 31/00 - Arrangements for testing electric propertiesArrangements for locating electric faultsArrangements for electrical testing characterised by what is being tested not provided for elsewhere
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
Electrochemical cell having at least one negative electrode, at least one positive electrode and at least one electrolyte, wherein the at least one negative electrode essentially has at least one carbon-containing electrochemical active material which is capable of forming a "solid electrolyte interface", that is to say an SEI layer, on at least parts of the surface of the electrode, the electrochemical cell has at least one stabilizing additive which is capable of stabilizing the SEI layer, wherein at least one protective device is provided in the electrochemical cell, said protective device having the at least one stabilizing additive and preferably being designed as a storage container, wherein the at least one stabilizing additive is at least partially released from the at least one protective device when, in respect of the SEI layer, at least one predetermined parameter is reached or exceeded or undershot.
The invention relates to a battery production device, in particular a forming device (1), for forming electrochemical cells (4), comprising a production unit, in particular a receiving device (3) for receiving at least one electrochemical cell (4) and in particular multiple electrochemical cells (4), a power supply connection device (5), by means of which the battery production device can draw electric energy, which is preferably produced regeneratively, from a power supply (2), in particular a commercial grid, and can supply electric energy to the power supply, and comprising a feedback control device (7) for controlling at least part of the battery production. Said battery production device is characterised in that the feedback control device (7) is designed in such a way that the electric energy drawn from the power supply (2) and/or the electric energy supplied to the power supply (2) can be controlled depending on the availability of power in the power supply and/or depending on at least one parameter that characterises the state of the power supply (2) and/or depending on at least one parameter change that characterises the state of the power supply (2) and in particular depending on the availability of power in the power supply at any one time.
H01M 10/04 - Construction or manufacture in general
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
H02J 7/02 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from AC mains by converters
H02J 7/34 - Parallel operation in networks using both storage and other DC sources, e.g. providing buffering
79.
METHOD FOR PRODUCING AN ELECTROCHEMICAL CELL AND BATTERY COMPRISING A NUMBER OF SAID ELECTROCHEMICAL CELLS
The invention relates to a method for producing electrochemical cells for a battery, said method having the following steps: (S1) detecting the parameter data (DPar.) of an individual cell that is to be analysed in order to determine at least one subsequent treatment step (S5) for the individual electrochemical cell; (S2) transmitting the detected parameter data (DPar.) to a control unit; (S3) assigning the detected parameter data (DPar.) to the electrochemical cell and preferably storing the parameter data (DPar.) relating to the electrochemical cell; (S4) determining if a predefined relationship exists for the electrochemical cell that has been assigned the parameter data between the parameter data (DPar.) and predefined parameter values (WPar, WPar.1, WPar.2, WPar.3, WPar.4, WPar.5) by means of the control unit; carrying out a first predefined treatment step for the electrochemical cell, if the existence of a predefined relationship between the parameter data (DPar.) and the predefined parameter values (WPar., WPar.1, WPar.2, WPar.3, WPar.4, WPar.5) has been determined and preferably carrying out a second predefined treatment step for the electrochemical cell, if the non-existence of a predefined relationship between the parameter data (DPar.) and predefined parameter values (WPar., WPar.1, WPar.2, WPar.3, WPar.4, WPar.5) has been determined.
H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
H01M 10/04 - Construction or manufacture in general
80.
METHOD FOR SELECTING ELECTROCHEMICAL CELLS DURING THE PRODUCTION OF A BATTERY AND BATTERY HAVING ELECTROCHEMICAL CELLS
The invention relates to a method for selecting electrochemical cells during the production of a battery that has a number of electrochemical cells, said method having the following steps: (S1) detecting the parameter data (DPar.) of an individual cell that is to be analysed; (S2) transmitting the detected parameter data (Dpar.) to a control unit; (S3) assigning the detected parameter data (DPar.) to the electrochemical cell; and (S4) determining for the electrochemical cell that has been allocated the parameter data if a predefined relationship exists between the parameter data (DPar.) and predefined parameter values (WPar, Wpar.1, WPar.2, WPar.3. WPar 4, WPar.5) by means of the control unit. The method can further have the following steps: (S5a) feeding the electrochemical cell that has been assigned the parameter data (DPar.) to a first production line for producing a first type of battery, if in step (S4) the existence of a predefined relationship has been determined; or (S5b) feeding the electrochemical cell that has been assigned the parameter data (DPar.) to a second production line for producing a second type of battery, if in step (S4) the non-existence of a predefined relationship has been determined.
H01M 10/04 - Construction or manufacture in general
H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
81.
METHOD FOR INCREASING THE CHARGING CAPACITY OF AN ELECTROCHEMICAL CELL COMPRISING A SENSOR, ELECTROCHEMICAL CELL COMPRISING A SENSOR AND PRODUCTION METHOD THEREFOR
The invention relates to a method for increasing the charging capacity of an electrochemical cell (1) having at least one first active electrode (2), preferably an anode and at least one second active electrode (3), preferably a cathode, at least one separator (4), a number of sensors (5), preferably magnetoresistive sensors and sensor lines (7), which are preferably control and/or measurement lines and are connected to the sensors (5). The number of sensors (5) is located on and/or in the separator (4) between the first active electrode (2) and the second active electrode (3), or on the first active electrode (2) and/or on the second active electrode (3). Said method has the following steps: (S11) detecting the parameter data (DPar.) of the individual cell (1) that is to be analysed, by means of the sensors (5); (S12) transmitting the detected parameter data (DPar.) to a control unit by means of the sensor lines (7); (S13) assigning the detected parameter data (DPar.) to the electrochemical cell (1) and preferably storing the parameter data (DPar.) relating to the electrochemical cell (1); (S14) determining, by means of the control unit, if a predefined relationship exists between the parameter data (DPar.) and predefined parameter values (WPar, WPar.1, WPar.2, WPar.3, WPar.4, WPar.5) for the electrochemical cell (1) that has been assigned the parameter data; and (S15) carrying out treatment steps for the electrochemical cell (1), if the existence of a predefined relationship between the parameter data (DPar.) and the predefined parameter values (WPar., WPar.1, WPar.2, WPar.3, WPar.4, WPar.5) has been determined in step (S14).
H01M 10/04 - Construction or manufacture in general
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
Method for producing an electrode for a lithium-ion battery, having the step (ii): (ii) electrophoretic deposition of ceramic particles from an aqueous suspension containing the ceramic particles onto a substrate.
H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
H01M 4/58 - Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFySelection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates
H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
H01M 4/131 - Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
H01M 2/16 - Separators; Membranes; Diaphragms; Spacing elements characterised by the material
C25D 13/02 - Electrophoretic coating characterised by the process with inorganic material
H01M 4/57 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of lead of "grey lead", i.e. powders containing lead and lead oxide
The invention relates to an electrochemical cell, comprising at least one negative electrode and at least one positive electrode, wherein at least one electrode comprises at least one substrate and at least one layer comprising active material, wherein fine structure elements are arranged at least partially between said layer comprising active material and the substrate.
In a method for cooling an electrochemical energy accumulator (1), a first magnetic cooling fluid in a primary circuit flows at least temporarily through a first magnetic field (5) and at least temporarily through the electrochemical energy accumulator.
The measurement method according to the invention for an electrochemical energy storage device involves the electrochemical energy storage device being held (S1) and having contact made with it (S2) in a holding device. The electrochemical energy storage device is charged (S3) to a predetermined first charge state. The electrochemical energy storage device is discharged (S4) to a predetermined second charge state. A measuring device is used to capture (S5) at least one measured value for a physical parameter of the electrochemical energy storage device, with the physical parameter allowing the operating state of the electrochemical energy storage device to be inferred.
G01R 31/36 - Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
The invention relates to a lithium ion battery comprising: (i) a positive electrode comprising at least a lithium transition metal phosphate having an olivine structure, wherein the transition metal selected is made of manganese, cobalt, nickel, or a mixture of two or three of said elements; (ii) a negative electrode; (iii) a separator that separates the positive and the negative electrode from one another and is permeable to lithium ions; wherein the separator comprises a mat made of non-woven, non-electrically conductive polymer fibres, which is coated with an ion-conducting inorganic material on one side or both sides; (iv) a non-aqueous electrolyte.
H01M 2/16 - Separators; Membranes; Diaphragms; Spacing elements characterised by the material
H01M 4/58 - Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFySelection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates
H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
H01M 4/485 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
H01M 4/583 - Carbonaceous material, e.g. graphite-intercalation compounds or CFx
H01M 4/38 - Selection of substances as active materials, active masses, active liquids of elements or alloys
87.
ENERGY STORAGE ARRANGEMENT AND ENERGY STORAGE DEVICE
The invention relates to an energy storage arrangement (5), comprising a plurality of component energy stores (1) and a contacting device (6) for contacting several component energy stores (1). Each component energy store (1) has a frame structure (2) supporting an energy storage section (4) having an electrode array and at least two connecting ends. The component energy store is provided with a pressure segment (2.2) and a contact segment (3), wherein the connecting ends of the energy storage section (4) are connected to the contact segment (3). The pressure segment (2.2) is configured and arranged to elastically push the contacting device (6) against the contact segment (3). The invention further relates to an energy storage device (1), which is in particular well suited for component energy stores (1) in an energy storage arrangement (5) such as described above.
An energy storage device (1) has at least one energy storage cell (2), preferably a number of energy storage cells (2), and a temperature controlling means, which is designed for controlling the temperature of the energy storage cell (2) or an assembly formed by the energy storage cells (2), and at least one clamping element (8, 20), which is designed as a functional component part of the temperature controlling means and is designed for carrying a heat transfer medium.
The invention relates to a method for handling and servicing an electrochemical cell (1), preferably a battery having a number of electrochemical cells (1), comprising a controller (3), in particular a cell controller, preferably a battery controller, at least one sensor (4) connected to the controller (3) for acquiring parameter data (DPar.) of the electrochemical cell (1) or the battery, a storage device (5), which comprises preferably a non-volatile memory, in particular a flash memory, and a unit (2) for data transmission, said method comprising the following steps: (S1) acquiring parameter data (DPar.) of the electrochemical cell (1) or the battery, (S2) feeding the acquired parameter data (DPar.) to the controller (3), (S3) calculating the control data (DStr.) as a function of the supplied parameter data (DPar.) with the controller (3), (S4) feeding the control data (DStr.) to the storage device (5), (S5) reading out the control data (DStr.) of the storage device (5) to the unit (2) for data transmission, and (S6) transmitting the read-out control data (DStr.) to a display device via the unit (2) for data transmission, in particular transmitting the read-out control data (DStr.) wirelessly to the display device via the unit (2) for data transmission.
H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
G01R 31/36 - Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
90.
CONSTRUCTION COMPONENT HAVING AN ELECTROCHEMICAL CELL AND METHOD FOR PRODUCING SAME
The invention relates to a method for producing a construction component for a vehicle having a composite structure, in particular a hollow cell structure, wherein the composite structure comprises at least one receptacle. The method comprises the step of weaving an electrochemical cell, in particular a flat electrochemical cell, into the at least one receptacle of the construction component or the step of weaving a number of electrochemical cells, in particular a number of flat electrochemical cells, into the least one receptacle of the construction component. Weaving in a number of electrochemical cells can be carried out in such a manner that the number of the electrochemical cells in the at least one receptacle of the construction component forms an electrically connected arrangement, which forms a power supply unit in an electrical and/or electronic and/or control sense.
The invention relates to an electrochemical cell for storing electrical energy, comprising at least one electrode stack, which contains at least two electrode sheets and at least one separator sheet arranged therebetween, wherein the electrochemical cell comprises at least one volume-compensating device.
The invention relates to a method for the control and handling of an electrochemical cell (1) with a cell controller and at least one sensor (4) for acquiring position data (DPos.) of the electrochemical cell (1) and/or for acquiring parameter data (DPar.) of the electrochemical cell (1), wherein the sensor (4) is connected to the cell controller (3), said method comprising at least one of the following steps: (S1a) acquiring position data (DPos.) of the electrochemical cell (1) and/or (S1b) acquiring parameter data (DPar.) of the electrochemical cell (1). Furthermore, the method according to the invention comprises the following steps: (S2a) feeding the acquired position data (DPos.) and/or feeding the acquired parameter data (DPar.) to the cell controller (3), and (S4) emitting at least one control instruction from the cell controller (3) in case the supplied position data (DPos.) have at least one predefined decision value (WEnt.) and/or the supplied parameter data (DPar.) have at least one predefined threshold value (WSwt.). Preferably, the electrochemical cell (1) can comprise at least one unit (2) that is connected to the sensor for the wireless signal transmission, in particular at least one RFID unit, and the method may comprise at least one of the following steps: (S5a) feeding the acquired position data (DPos.) and/or parameter data (DPar.) to the unit (4) for wireless signal transmission and/or (S5b) feeding at least one display instruction from the cell controller (3) to the unit (4) for wireless signal transmission as a function of the acquired position data (DPos.) and/or as a function of the acquired parameter data (DPar.).
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
G01R 31/36 - Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
93.
ENERGY STORAGE DEVICE, ENERGY STORAGE CELL AND HEAT-CONDUCTING ELEMENT WITH AN ELASTIC MEANS
The invention relates to an energy storage device, comprising a plurality of storage cells and a temperature-control device for the temperature-control of the storage cells or of a cell assembly formed by the storage cells, wherein elastic means for the shock-absorbing mounting or spacing are provided between a storage cell and another component, wherein the other component is another storage cell, a retaining element, another housing part or a heat-conducting element. The elastic means are designed and configured as a functional component of the temperature-control device. The invention also relates to storage cells and heat-conducting elements which are suitable for use in the energy storage device according to the invention.
The invention relates to an electrochemical energy storage cell comprising a current interruption device for interrupting at least one electrical connection of the energy storage cell provided for operation of the energy storage cell. Furthermore, the energy storage cell comprises a discharge device, which enables a complete or partial discharge of the energy storage device when at least one electrical connection of the energy storage cell provided for operation of the energy storage cell is interrupted by the current interruption device. This enables a discharge of the energy storage cell and hence a safe transport and a safe storage of the energy storage cell, yet at the same time prevents further operation of the energy storage cell potentially damaged by an overcharge.
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
95.
ELECTROCHEMICAL ENERGY STORAGE DEVICE AND METHOD FOR THE OPERATION THEREOF
An electrochemical energy storage device according to the invention, also referred to below as a secondary cell, has a rechargeable electrode assembly. The electrode assembly is provided in order to supply electrical energy at least intermittently in particular to a consumer. A covering for the secondary cell is provided in order to surround the electrode assembly at least in part. One, two or a plurality of current collectors, in particular of differing polarity, of the secondary cell extend at least partially out of the covering and are provided for the exchange of electrons with the electrode assembly. A measuring device of the secondary cell is provided in order to supply a signal at least intermittently, wherein the signal is representative of an operating parameter in particular of the electrode assembly. A cell control device of the secondary cell is provided in order to control the exchange of electrons with the electrode assembly and to receive the signal from the sensor. Furthermore the cell control device is provided in order to deliver a predetermined electrical charge intermittently to the electrode assembly and/or to remove the charge therefrom.
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
G01R 31/36 - Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
96.
ENERGY STORAGE DEVICE, ENERGY STORAGE CELLS AND HEAT-CONDUCTING ELEMENT
The invention relates to an energy storage device comprising a plurality of storage cells and a temperature control device for controlling the temperature of the storage cells or a cell assembly formed by the storage cells. Elastic means are arranged between a storage cell and another component for shock-absorbing bearing or for arranging them at a distance from each other. The other component is another storage cell or a holding element or another housing part or a heat-conducting element. Said elastic means are configured and designed as a functional component part of the temperature control device. Storage cells and heat-conducting elements which are suitable for use in the claimed energy storage device are also described.
The invention relates to an energy storage device comprising a plurality of storage cells, a clamping device for clamping the storage cells together, and a temperature control device for controlling the temperature of the storage cells or a cell assembly formed by the storage cells. Said clamping device is configured and designed as a functional component of the temperature control device. Storage cells and heat-conducting elements which are suitable for use in the claimed energy storage device are also described.
The invention relates to a method for producing an electrode, in particular a negative electrode, of an electrochemical cell having a metal substrate, wherein the method includes the steps of treating the metal substrate with UV irradiation and treating the metal substrate using an organic acid.
H01G 11/28 - Electrodes characterised by their structure, e.g. multi-layered, porosity or surface features arranged or disposed on a current collectorLayers or phases between electrodes and current collectors, e.g. adhesives
H01G 11/68 - Current collectors characterised by their material
H01G 11/86 - Processes for the manufacture of hybrid or EDL capacitors, or components thereof specially adapted for electrodes
H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
The invention relates to a method for producing an electrode, in particular a negative electrode, of an electrochemical cell, including the step of: drying an electrode to be dried by means of a temperature gradient, wherein the drying step includes UV-irradiation.
Process for producing an electrode, in particular a negative electrode, of an electrochemical cell, which comprises the following steps: pretreatment, in particular cleaning, of a metallic substrate; drying of the pretreated metallic substrate and/or an active composition; application of the active composition to the pretreated metallic substrate, with said pretreatment of the surface of the metallic substrate being carried out using an organic acid.
H01G 11/28 - Electrodes characterised by their structure, e.g. multi-layered, porosity or surface features arranged or disposed on a current collectorLayers or phases between electrodes and current collectors, e.g. adhesives
H01G 11/68 - Current collectors characterised by their material
H01G 11/86 - Processes for the manufacture of hybrid or EDL capacitors, or components thereof specially adapted for electrodes
H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
