Abstract

A blended expander formula for use in the preparation of lead acid battery electrodes is disclosed. The mixture comprises fine particle barium sulfate, a first oxylignin, a second oxylignin, and a carbonaceous material. A method, a negative paste, and a negative electrode including the blended expander mixture are also disclosed. A lead-acid absorbent glass mat battery is further disclosed.

IPC Classes  ?

• H01M 4/14 - Electrodes for lead-acid accumulators
• H01M 4/20 - Processes of manufacture of pasted electrodes
• H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
• H01M 4/68 - Selection of materials for use in lead-acid accumulators

Abstract

A battery health diagnostic system is disclosed, wherein the battery health diagnostic system comprises a battery, the battery configured to be provided in a vehicle having a vehicle state; a sampling device in electrical communication with the battery and configured to acquire battery characteristic data during a vehicle state; a processor in communication with the device, the processer configured to analyze battery characteristic data to produce a battery condition output; and an alert device configured to provide the battery condition output during regular use of a vehicle.

IPC Classes  ?

• G07C 5/00 - Registering or indicating the working of vehicles
• G07C 5/08 - Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle, or waiting time

Abstract

The invention relates to a method for estimating a state of an electrical energy-storage system, in particular a motor vehicle starting battery, wherein, to this end, an internal resistance and/or an impedance of the energy-storage system and/or a variable coordinating with the internal resistance or the impedance of the energy-storage system is determined and is evaluated with regard to a remaining capacitance of the energy-storage system taking into consideration an age-related decrease in a maximum available capacitance of the energy-storage system.

IPC Classes  ?

• G01R 31/367 - Software therefor, e.g. for battery testing using modelling or look-up tables
• G01R 31/388 - Determining ampere-hour charge capacity or SoC involving voltage measurements
• G01R 31/389 - Measuring internal impedance, internal conductance or related variables
• 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]

Abstract

Disclosed is a non-lead conductive cap for a battery terminal and battery. The battery may comprise a battery housing and a positive and negative terminal, the positive and negative terminal being accessible through the battery housing; wherein the positive and negative terminal further comprise an electrically conductive cap mounted on both the positive and negative terminal, wherein the electrically conductive cap does not comprise lead.

IPC Classes  ?

• H01M 2/30 - Terminals
• H01M 10/06 - Lead-acid accumulators

Abstract

A compact AGM lead acid battery is disclosed. The battery has a container and one or more electrically connected cells in the container. The electrically connected cells are formed by a plurality of positive plates and plurality of negative plates, wherein an absorbent glass mat is interleaved between positive and negative plates. Electrolyte is provided within the container. The lead acid battery has an improved battery performance per volume and less lead weight than a conventional AGM lead acid battery or EFB lead acid battery.

IPC Classes  ?

• H01M 10/06 - Lead-acid accumulators

Abstract

A lead-acid battery is disclosed. The lead-acid storage battery has a container with a cover, the container including one or more compartments. One or more cell elements are provided in the one or more compartments. The one or more cell elements include a positive plate, the positive plate having a positive grid and a positive electrochemically active material on the positive grid; a negative plate, the negative plate having a negative grid and a negative electrochemically active material on the negative grid, wherein the negative electrochemically active material comprises barium sulfate and an organic expander; and a separator between the positive plate and the negative plate. Electrolyte is provided within the container. One or more terminal posts extend from the cover and are electrically coupled to the one or more cell elements.

IPC Classes  ?

• H01M 4/14 - Electrodes for lead-acid accumulators
• H01M 4/16 - Processes of manufacture
• H01M 10/06 - Lead-acid accumulators
• H01M 10/08 - Selection of materials as electrolytes

Abstract

The invention relates to an energy storage system (100) for a vehicle (200), in particular a starter battery (100) for a vehicle (200), having a plurality of energy storage cells for providing and/or storing electric energy and a housing (40) which has a plurality of wall elements that delimit the interior of the housing (40). The housing (40) is designed to receive the plurality of energy storage cells in the interior of the housing (40). A plurality of separating walls (30) are arranged in the interior of the housing (40) in order to divide the interior of the housing (40) into a plurality of chambers (10), wherein each chamber (10) is designed to receive an energy storage cell. A fluidic connection is formed between the individual chambers (10), and a ventilation valve (20) is arranged on one of the wall elements, preferably a cover element, of the housing (40) in a respective region paired with the corresponding chamber (10). At least one of the ventilation valves (20) is an active ventilation valve (20a), and the remaining ventilation valves (20) are blind closures (20b).

IPC Classes  ?

• H01M 2/02 - Cases, jackets or wrappings
• H01M 2/12 - Vent plugs or other mechanical arrangements for facilitating escape of gases
• H01M 10/12 - Construction or manufacture

Abstract

Disclosed is a battery comprising a cover; a housing having a base, two side walls, and two end walls; a cell wall spanning between the first and second side walls defining two cells; a battery element provided within a cell, the battery element having a bottom; an element bottom gap, the element bottom gap defined in a first and second dimension by the cell width and length, and a third dimension by the distance between the base and bottom of the battery element.

IPC Classes  ?

• H01M 2/20 - Current-conducting connections for cells
• H01M 2/24 - Intercell connections through partitions, e.g. in a battery case
• H01M 2/10 - Mountings; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
• H01M 10/06 - Lead-acid accumulators
• H01M 2/02 - Cases, jackets or wrappings
• H01M 4/73 - Grids for lead-acid accumulators, e.g. frame plates

Abstract

A stopper (1) for closing and sealing an opening (120) in a housing (110) of an energy storage system (100), in particular for closing and sealing an opening (120) in a housing (110) of a lead acid storage battery, wherein the stopper (1) comprises a connecting region (20), which is configured to engage with the opening (120) in the energy storage system (100), and a sealing region (30), which is disposed above the connecting region (20) in the axial direction (A) of the stopper (1), wherein the sealing region (30) is configured to accommodate a sealing element (32) which is designed to be deformed by a force acting at least partially, in particular completely, in the axial direction (A) of the stopper (1) when the stopper (1) is in the installed state.

IPC Classes  ?

• H01M 2/36 - Arrangements for filling, topping-up or emptying cases with or of liquid, e.g. for filling with electrolytes, for washing-out

Abstract

The invention relates to an electrically conductive structure (100), particularly for using in an energy storage system of a vehicle, which is formed from a metal or a substance similar to metal at least in sections, containing a plurality of closed pores. The invention also relates to a system respectively comprising at least one of the following elements: a storage battery, particularly a lead storage battery, an electrical pick-up element which is electrically connected to at least one pole of the storage battery, and a structure as described above, which is part of the storage battery and/or the electrical pick-up element. The invention further relates to a method for producing such a structure.

IPC Classes  ?

• H01M 2/20 - Current-conducting connections for cells
• B22D 18/00 - Pressure casting; Vacuum casting
• B22D 19/00 - Casting in, on, or around, objects which form part of the product
• B22D 25/00 - Special casting characterised by the nature of the product
• B22D 25/04 - Casting metal electric battery plates or the like
• H01B 1/02 - Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
• H01M 2/24 - Intercell connections through partitions, e.g. in a battery case
• H01M 2/30 - Terminals
• H01M 4/66 - Selection of materials
• H01M 4/76 - Containers for holding the active material, e.g. tubes, capsules
• H01M 4/80 - Porous plates, e.g. sintered carriers

Abstract

The invention relates to a method and a device 100 for estimating a state of an energy storage system 320 of a vehicle 300, in which data relating to at least one vehicle function are recorded during operation of the vehicle and are stored as historical vehicle operating data, by means of which the actual state of the energy storage system 320 is estimated.

IPC Classes  ?

• B60L 1/00 - Supplying electric power to auxiliary equipment of electrically-propelled vehicles
• B60L 3/12 - Recording operating variables
• B60L 11/18 - using power supplied from primary cells, secondary cells, or fuel cells
• H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells

Abstract

The present disclosure relates generally to systems and methods for recycling lead-acid batteries, and more specifically, relates to systems and methods for selectively separating and separately processing portions of lead-acid batteries to improve efficiency and reduce costs. A lead-acid battery recycling system (5) includes an imaging system (49) configured to perform imaging of a lead-acid battery (10) and perform image analysis to determine a break point (50) that divides the top lead (18) from a remainder (20, 22) of the lead content of the lead-acid battery. The system also includes a battery breaking device configured to break the lead-acid battery at the determined break point and separate the lead-acid battery into a first portion (54), which includes the top lead (18), and a second portion (56), which includes the remainder (20, 22) of the lead content, for separate processing of the first (54) and second (56) portions of the lead-acid battery.

IPC Classes  ?

• H01M 10/54 - Reclaiming serviceable parts of waste accumulators
• H01M 10/06 - Lead-acid accumulators

Abstract

The present disclosure relates generally to systems and methods for purifying and recycling the lead content from lead-acid batteries. A system (40) includes a reactor (56) that receives and mixes a lead-bearing material (54), a carboxylate source (58), and a recycled liquid component (60) to form a leaching mixture (62) wherein a phase separation device (64) isolates a lead salt precipitate (66) from a liquid component (68) of the leaching mixture (62). The system further includes a closed-loop liquid recycling system coupled to the phase separation device and to the reactor, wherein the closed-loop liquid recycling system receives the liquid component isolated by the phase separation device and recycles a substantial portion of the received liquid component back to the reactor as the recycled liquid component. The closed-loop recycling system optionally comprises a purification device (76), especially configured to remove sulfates from the liquid component without substantially removing dissolved lead salt.

IPC Classes  ?

• H01M 10/54 - Reclaiming serviceable parts of waste accumulators
• H01M 6/52 - Reclaiming serviceable parts of waste cells or batteries
• C22B 7/00 - Working-up raw materials other than ores, e.g. scrap, to produce non-ferrous metals or compounds thereof
• C22B 3/00 - Extraction of metal compounds from ores or concentrates by wet processes

Abstract

The present disclosure relates to systems and methods by which lead from spent lead-acid batteries may be extracted, purified, and used in the construction of new lead-acid batteries. A method (10) comprises the step of: (14) forming a first mixture in a first vessel, wherein the first mixture includes a lead-bearing material and a carboxylate source, which (16) react to precipitate lead salt particles; (18) separating a portion of the first mixture from a remainder of the first mixture, wherein the portion includes lead salt particles having specific densities below a specific density threshold value and/or having particle sizes below a particle size threshold value and forming a second mixture in a second vessel, wherein the second mixture includes the lead salt particles from the separated portion of the first mixture; (22) separating the lead salt particles of the second mixture from a liquid component of the second mixture. The second vessel might be configured to (20) enlarge the received lead salt particles by growing and/or agglomerating said particles in a growth mixture.

IPC Classes  ?

• H01M 6/52 - Reclaiming serviceable parts of waste cells or batteries
• H01M 10/54 - Reclaiming serviceable parts of waste accumulators
• C22B 7/00 - Working-up raw materials other than ores, e.g. scrap, to produce non-ferrous metals or compounds thereof
• C22B 3/00 - Extraction of metal compounds from ores or concentrates by wet processes

Abstract

The invention relates to a mixing element (1) that is designed to be installed into a housing (3) of an electrochemical accumulator (2), which is operated using liquid electrolytes (7), in order to mix the electrolytes as a result of forces and/or movements exerted on the accumulator during operation. The mixing element is designed as a hollow body which is provided with at least one respective opening (10, 11) at opposing end regions such that a channel is formed in the hollow body, said channel opening into the respective at least one opening in the opposing end regions and being circumferentially delimited by the material of the mixing element at said end openings. The mixing element has one or more securing and/or spacer ribs (61, 133, 134, 135, 136, 137, 152, 153) which protrude from the outside of the mixing element (1) and are designed to contact housing parts of the accumulator (2) in order to fix the mixing element in the accumulator and/or in order to determine a certain position of the mixing element with respect to the housing parts. The invention further relates to a range of mixing elements and to an accumulator with at least one mixing element.

IPC Classes  ?

• H01M 2/02 - Cases, jackets or wrappings
• H01M 2/38 - Arrangements for moving electrolytes
• H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells

Abstract

The invention relates to a grid arrangement for a plate-shaped battery electrode of an electrochemical storage battery, having a rack and a grid arranged thereon; the rack having at least one upper rack element, on the side of which that faces away from the grid a connecting tag of the battery electrode is arranged; the grid having grid bars, which each surround cut-outs in the grid; the majority of the grid bars that surround each cut-out being arranged in a hexagonal arrangement such that the cut-out situated in between forms a hexagon, characterised by one, more, or all of the following features a), b), c), d), e): a) the grid arrangement is coated with a pasty, active compound, on which liquid-absorbing material is arranged, which is designed to absorb a liquid electrolyte of the storage battery; b) the size of the hexagonal cut-outs increases towards the upper rack element; c) the grid bars of all the hexagonal cut-outs have the same width or the same cross-sectional area; d) none of the grid bars of the hexagonal cut-outs runs horizontally or parallel to the upper rack element; e) none of the grid bars of the hexagonal cut-outs runs vertically or perpendicularly to the upper rack element. The invention further relates to a storage battery.

IPC Classes  ?

• H01M 2/16 - Separators; Membranes; Diaphragms; Spacing elements characterised by the material
• H01M 4/73 - Grids for lead-acid accumulators, e.g. frame plates
• H01M 10/10 - Immobilising of electrolyte

Abstract

The invention relates to a lattice arrangement for a plate-shaped battery electrode of an electrochemical rechargeable battery, having a frame and a lattice arranged thereon, wherein the frame has at least one upper frame element, with a connecting lug of the battery electrode being arranged on that side of the upper frame element which is remote from the lattice, characterized by one or both of the following features a), b): a) in a transition region between the upper frame element and the connecting lug, the lattice arrangement has an outer contour which, at the transition to the upper frame element, runs uniformly without any sudden changes in the profile of the outer contour and, at the transition to the connecting lug, has a sudden change in the gradient or the curvature of the profile of the outer contour, b) the lattice has a multiplicity of lattice bars which cross over one another and between which lattice windows are formed, wherein at least one of the lattice windows, arranged beneath the connecting lug, in the first lattice window row, when viewed from the upper frame element has in each case at least one rounded-off corner with a radius ≥ 10%, in particular ≥ 15%, in particular ≥ 25%, of the height or width of the lattice window. The invention furthermore relates to a rechargeable battery, in particular an HGV starter battery, comprising battery electrodes which have such a lattice arrangement.

IPC Classes  ?

• H01M 4/73 - Grids for lead-acid accumulators, e.g. frame plates

Abstract

The invention relates to a grid arrangement (101) for a plate-shaped battery electrode of an electrochemical accumulator, having a frame (117, 118, 119, 120) and a grid (113) which is arranged on the frame. The frame has at least one upper frame element (120), a connection lug (103) of the battery electrode being arranged on the upper frame element face facing away from the grid, and the grid is made at least of horizontal rods (21 to 25), which are grid rods that run in a substantially horizontal manner, and vertical rods (9 to 20), which are grid rods that run in a substantially vertical manner. At least some of the vertical rods are arranged at different angles relative to one another in the shape of a fan. The invention also relates to an accumulator.

IPC Classes  ?

• H01M 4/73 - Grids for lead-acid accumulators, e.g. frame plates
• H01M 4/72 - Grids

Abstract

The invention relates to a method for producing an electrode plate of a rechargeable electrochemical battery comprising the following steps performed in the following order: a) producing a substantially flat lead grid having a multiplicity of grid bars and a multiplicity of window-like cutouts formed between the grid bars, b) introducing active compound into the cutouts and/or onto the grid bars of the lead grid, c) generating a pattern of slot-shaped depressions in the active compound by applying a mechanical load to the lead grid provided with the active compound, wherein the depressions extend from the outer surface of the active compound into the depth. The invention also relates to an installation for producing such an electrode plate, to an electrode plate and to a rechargeable electrochemical battery.

IPC Classes  ?

• H01M 4/04 - Processes of manufacture in general
• H01M 4/20 - Processes of manufacture of pasted electrodes

Abstract

The invention relates to a battery having a plurality of electrode plates, which are arranged adjacent to one another and form at least one electrode plate stack in block form, wherein the electrode plates each have a frame with a grate arranged therein and wherein at least the grate is filled with an active mass, and wherein each electrode plate has at least one connection lug protruding beyond the frame, wherein the connection lugs of electrode plates of the same polarity are arranged adjacent to one another in a row, wherein the connection lugs arranged adjacent to one another in a row are connected to one another electrically and mechanically in a bonded manner by at least one weld point or solder point arranged between the connection lugs to form a connection lug block. The invention further relates to a method for producing a battery.

IPC Classes  ?

• H01M 2/26 - Electrode connections
• H01M 2/28 - Electrode connections for lead-acid accumulators
• H01M 4/14 - Electrodes for lead-acid accumulators
• H01M 4/73 - Grids for lead-acid accumulators, e.g. frame plates

Abstract

The invention relates to a sealing plug assembly (1) for sealing a combined filling and degassing opening of a battery. The sealing plug assembly (1) has at least a valve part (2), a valve retainer (3), and a sealing plug (4). The valve part (2) is arranged on the valve retainer (3) and, together with the valve retainer (3), forms a valve device (16) for sealing off at least one interior chamber of the battery from the environment, which valve device can be opened when pressure is applied. The sealing plug (4) has at least one fastening means (7) for fastening the sealing plug (4) to the filling and degassing opening and at least a first and a second circumferential sealing ring (5, 6), which have a distance from each other in an axial direction (L) of the sealing plug (4) and which are designed as seals that are effective between the sealing plug (4) and the surrounding material of the filling and degassing opening. The sealing plug assembly is characterized in that the at least one fastening means (7) is arranged between the first and the second sealing ring (5, 6) in the axial direction (L) of the sealing plug (4). The invention further relates to a housing of a battery and to a battery.

IPC Classes  ?

• H01M 2/12 - Vent plugs or other mechanical arrangements for facilitating escape of gases
• F16J 15/06 - Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
• B29L 31/26 - Sealing devices, e.g. packaging for pistons or pipe joints

Abstract

The invention relates to a sealing plug arrangement (1) for sealing a combined filling and venting opening of a rechargeable battery, wherein the sealing plug arrangement (1) has at least one valve part (2), a valve holder (3) and a sealing plug (4), wherein the valve part (2) is arranged on the valve holder (3) and, with the valve holder (3), forms a valve device (16), capable of opening in the event of the application of pressure, for sealing off at least one interior of the rechargeable battery with respect to the surrounding environment, wherein the sealing plug (4) has at least one fastening means (7) for fastening to the filling and venting opening and, at the same time, applies a pretensioning force to the valve part (2) with respect to the valve holder (3), characterized in that the valve holder (3) has at least one protrusion (6) on a surface (5) pointing towards the valve part (2), said protrusion (6) being in the form of a circumferential sealing edge and protruding in the axial direction towards the valve part (2), wherein the valve part (2) rests on said protrusion (6). The invention furthermore relates to a housing of a rechargeable battery and to a rechargeable battery.

IPC Classes  ?

• H01M 2/12 - Vent plugs or other mechanical arrangements for facilitating escape of gases

Abstract

The invention relates to a fixing element (1) for mechanically fixing an electrode plate set (42) of an electrochemical battery (30) in a cell chamber (51, 52, 53, 54, 55, 56) of a housing (33, 34) of the battery (30), wherein the housing (33, 34) has one or more cell chambers, and each cell chamber is designed to accommodate an electrode plate set (42), wherein the fixing element (1) has at least one first fixing region (2, 3) which is designed to contact the electrode plate set (42) to be fixed, characterized in that the fixing element (1) is additionally designed to mechanically fix at least one cell connecting element (35, 36) of the electrode plate set (42) mechanically fixed by the fixing element (1), the cell connecting element (35, 36) being provided for electrically contacting the electrode plate set (42) with an adjacent electrode plate set (42) or a connection terminal (31, 32) of the battery (30), and the fixing element (1) having at least one second fixing region (4, 5) for fixing the cell connecting element (35, 36), the at least one second fixing region being designed to contact the cell connecting element (35, 36) to be fixed. The invention further relates to a battery having such a fixing element and a method for producing such a battery.

IPC Classes  ?

• H01M 2/10 - Mountings; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
• H01M 2/28 - Electrode connections for lead-acid accumulators
• H01M 10/04 - Construction or manufacture in general
• H01M 10/16 - Suspending or supporting electrodes or groups of electrodes in the case
• H01M 2/38 - Arrangements for moving electrolytes
• H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells

Abstract

The invention relates to a connection pole (2) for an accumulator (10). The connection pole (2) has an inner hollow region (27) which is designed for introducing or feeding a pole shaft (5) of the accumulator (10). The connection pole (2) has multiple ribs (3) on the inner wall (25, 26) in the inner hollow region (27), said ribs running in the longitudinal direction of the connection pole (2). One or more or all of the ribs (3) are formed as a single piece with the connection pole (2) from the material of the connection pole (2). The invention further relates to a pole shaft of an accumulator and to an accumulator.

IPC Classes  ?

• H01M 2/06 - Arrangements for introducing electric connectors into or through cases
• H01M 2/30 - Terminals
• H01R 4/50 - Clamped connections; Spring connections using a cam, wedge, cone or ball
• H01M 2/28 - Electrode connections for lead-acid accumulators

Abstract

The invention relates to a method for producing electrodes (14) for lead-acid batteries (30). An electrode (14) that has been produced comprises at least one upper and/or one lower frame element as well as a lattice-shaped region (12) that extends away from said upper or lower frame element (9, 10) and has a plurality of openings, the upper and/or lower frame element (9, 10) being of a greater thickness (D) than the lattice-shaped region (12). Said method comprises the steps of: a) producing a profiled strip-shaped blank (2) using a casting method in which the strip-shaped blank (2) is formed, solely by means of said casting method, to have a greater thickness (D) on one side in at least one of the regions (3, 5, 7) which should eventually form the upper or lower frame element (9, 10), than the thickness in regions (4, 6) which should eventually form the lattice-shaped region (12), and b) producing said lattice-shaped region (12) with the openings in a subsequent expanded metal process. The invention also relates to an installation for producing electrodes for lead-acid batteries, an electrode, and a lead-acid battery.

IPC Classes  ?

• H01M 4/84 - Multi-step processes for manufacturing carriers for lead-acid accumulators involving casting
• B22D 11/04 - Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
• B22D 11/06 - Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
• B22D 11/00 - Continuous casting of metals, i.e. casting in indefinite lengths
• B22D 25/04 - Casting metal electric battery plates or the like
• H01M 4/73 - Grids for lead-acid accumulators, e.g. frame plates
• H01M 4/74 - Meshes or woven material; Expanded metal

Abstract

The invention relates to a venting device ( 1 ) for an electrochemical battery (90), The venting device comprises at least one inlet opening (2) for receiving gases venting from the battery (90), at least one outlet opening (3) for venting the gases received from the battery (90), and at least one flame arrester element (4). The inlet opening (2) is in communication with the outlet opening (3) via the flame arrester element (4). An explosion chamber (5, 6) is located within the venting device (1 ) on the side of the flame arrester element (4) which is directed to the outlet opening (3). The explosion chamber (5, 6) is arranged for developing and temporarily storing an explosive mixture of the gases received from the battery (90) and oxygen from the ambient air, which explodes in case a flame occurs within the explosion chamber (5, 6), thereby blowing off the flame,

IPC Classes  ?

• H01M 2/12 - Vent plugs or other mechanical arrangements for facilitating escape of gases

Abstract

The invention relates to a method for producing a battery (10) filled with a liquid electrolyte (2, 11), wherein the battery (10) comprises a housing (1) having a top side (3) lying at the top in the normal operation of the battery (10) and a bottom side (4) opposite the top side (3), wherein battery electrodes (6) are arranged in the housing (1) and the housing (1) has at least one filling opening (5) for the liquid electrolyte (2, 11), which filling opening is arranged on the top side (3) of the housing (1) or at least above the center of the housing (1), characterized in that liquid electrolyte (2, 11) is fed through the at least one filling opening (5) in such a way that the topmost point (16) of the battery electrodes (6) with respect to the direction of action of gravity is not completely covered with the liquid electrolyte (2, 11) at any time during the process of filling the battery with liquid electrolyte (2, 11). The invention further relates to a filling vessel designed for performing the method, to a machine, and to a battery.

IPC Classes  ?

• H01M 2/36 - Arrangements for filling, topping-up or emptying cases with or of liquid, e.g. for filling with electrolytes, for washing-out
• H01M 10/10 - Immobilising of electrolyte

Abstract

The invention relates to a rechargeable battery (1) comprising a battery housing (2) which has a cell cavity (3), or several cell cavities (3) separated by dividing walls (6), wherein one or more of the cell cavities (3) have at least one respective positive and negative electrode (8), separated from each other by at least one separator (9), and a liquid electrolyte. Furthermore, one or more of the cell cavities (3) have a respective wall element (7), which partitions the respective cell cavity (3) into at least two volume chambers (22, 23, 25) which communicate with one another, wherein at least in the lower region of the volume chambers (22, 23, 25), a communicating connection (21) between the volume chambers for the liquid electrolytes is provided and in the upper region of the volume chambers (22, 23, 25), a pressure compensation connection (24) between the volume chambers for assuring equal air pressure in the volume chambers communicating chambers is provided, characterized by one or more of the features described in the specification and shown in the drawings. The invention further relates to a wall element for such a rechargeable battery, and to a battery housing therefor.

IPC Classes  ?

• H01M 2/02 - Cases, jackets or wrappings
• H01M 2/38 - Arrangements for moving electrolytes
• H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells

Abstract

The invention relates to an equipping station (4) for equipping motor vehicle battery housings (23, 61) with sets of electrode plates (41) for manufacturing a motor vehicle battery, wherein the equipping station (4) has at least one feed section (20) for unequipped battery housings (23), at least one discharge section (22) for equipped battery housings (61), at least one apparatus for feeding sets of electrode plates (40) and at least one first equipping section (21), which is arranged between the feed section (20) and the discharge section (22) and in which sets of electrode plates (41) which have been fed by means of the apparatus for feeding sets of electrode plates (40) are inserted into the battery housing (23), wherein the first equipping section (21) has a base part (24), which acts as a bearing surface for the battery housing (23) during the insertion operation of the sets of electrode plates (41), wherein the base part (24) is formed without a conveying apparatus for the battery housing (23), and the equipping station (4) has at least one first extendable slide (30), via which a battery housing (23) is horizontally displaceable, at least on the base part (24).

IPC Classes  ?

• H01M 10/04 - Construction or manufacture in general
• H01M 10/12 - Construction or manufacture
• B23P 21/00 - Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control