A battery module may include battery cells, a side plate on a side of the battery cells, and an end plate connected to the side plate. The end plate may include a body. The battery module may also include an end cover on one side of the body facing the battery cells. At least a portion of the end cover includes a flexible material, and the end cover is configured to distribute pressure applied to the end plate.
H01M 50/242 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries against vibrations, collision impact or swelling
H01M 50/209 - Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
H01M 50/262 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders with fastening means, e.g. locks
A cylindrical secondary battery includes: an electrode assembly; a case of which a lower end is open to accommodate the electrode assembly; and a cap plate coupled to the lower end of the case, wherein the cap plate includes a connection area connecting a central area and an edge area, and a vent is located in at least one of the central area or the connection area and has a smaller thickness than other areas.
H01M 50/107 - Primary casingsJackets or wrappings characterised by their shape or physical structure having curved cross-section, e.g. round or elliptic
H01M 50/152 - Lids or covers characterised by their shape for cells having curved cross-section, e.g. round or elliptic
An all solid secondary battery including a cathode, an anode, and a solid electrolyte layer provided between the cathode and the anode is provided. The anode includes an anode current collector and a first anode active material layer provided on one surface of the anode current collector. The cathode includes a cathode current collector and a cathode active material layer provided on one surface or two surfaces of the cathode current collector and containing a cathode active material, which Li2S, a Li2S composite, or a combination thereof. The all solid secondary battery includes an interlayer positioned between the anode and the solid electrolyte layer and containing a single lithium ion conducting polymer (SLICP) and a liquid electrolyte.
IUCF-HYU (Industry-University Cooperation Foundation Hanyang University) (Republic of Korea)
Inventor
Park, Sunil
Kim, Hansu
Ma, Donghyeok
Yu, Mi
Kim, Youngugk
Kim, Deok-Hyun
Choi, Ilyoung
Abstract
A negative electrode active material and a rechargeable lithium battery including the negative electrode active material, the negative electrode active material includes a core including a carbon material, a silicon material, or a combination thereof; and a shell on a surface of the core, the shell including Si and LixSiOy, in which 1≤x≤3 and 1≤y≤6.
H01M 4/36 - Selection of substances as active materials, active masses, active liquids
H01M 4/02 - Electrodes composed of, or comprising, active material
H01M 4/38 - Selection of substances as active materials, active masses, active liquids of elements or alloys
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 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
5.
RESIST TOPCOAT COMPOSITION, AND METHOD OF FORMING PATTERNS USING THE COMPOSITION
Provided are a resist topcoat composition and a method of forming patterns using the resist topcoat composition, the resist topcoat composition including a copolymer including a first structural unit represented by Chemical Formula M-1, a second structural unit represented by Chemical Formula M-2; at least one acidic compound selected from a sulfonic acid compound containing at least one fluorine, a sulfonimide compound containing at least one fluorine, and a carboxylic acid compound containing at least one fluorine; and a solvent.
G03F 7/11 - Photosensitive materials characterised by structural details, e.g. supports, auxiliary layers having cover layers or intermediate layers, e.g. subbing layers
A battery cell holder includes a plurality of partition walls defining an insertion hole into which a battery cell is inserted, a plurality of support walls positioned between the plurality of partition walls, and a plurality of protrusions formed on the plurality of partition walls, wherein a distance between a center of the insertion hole and the plurality of support walls may be less than a distance between the center of the insertion hole and the plurality of protrusions.
H01M 50/291 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders characterised by spacing elements or positioning means within frames, racks or packs characterised by their shape
H01M 50/213 - Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for cells having curved cross-section, e.g. round or elliptic
H01M 50/242 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries against vibrations, collision impact or swelling
H01M 50/271 - Lids or covers for the racks or secondary casings
H01M 50/505 - Interconnectors for connecting terminals of adjacent batteriesInterconnectors for connecting cells outside a battery casing comprising a single busbar
A rechargeable battery module is provided. This rechargeable battery module includes a plurality of battery cells; a holder that accommodates the plurality of battery cells; a tab member disposed in the holder and welded to an electrode terminal of a first battery cell of the plurality of battery cells; and insulating tape that insulates the tab member; wherein the tab member comprises a body part disposed on the holder, a neck part bent downward from the body part and disposed at least partially inside the holder, and a tab part bent from the neck part and connected to the electrode terminal, and the insulating tape comprises a body attachment part attached to the body part, and a tab attachment part separated from the body attachment part by a cutting line and attached to the tab part.
H01M 50/213 - Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for cells having curved cross-section, e.g. round or elliptic
H01M 50/503 - Interconnectors for connecting terminals of adjacent batteriesInterconnectors for connecting cells outside a battery casing characterised by the shape of the interconnectors
H01M 50/516 - Methods for interconnecting adjacent batteries or cells by welding, soldering or brazing
H01M 50/571 - Methods or arrangements for affording protection against corrosionSelection of materials therefor
A polarizing plate and an optical display apparatus are disclosed. A polarizing plate includes a polarizer and a protective layer on at least one surface of the polarizer, and the polarizer includes a polyvinyl alcohol film containing a dichroic substance and contains zinc cations and potassium cations, and the polarizing plate has a value of 0.1 or less, as calculated according to Equation 1.
A method of controlling charging of a battery pack, including determining, based on information on a plurality of battery modules included in the battery pack, whether a battery module is replaced or added in the battery pack, measuring a cell voltage of each battery cell included in each of the plurality of battery modules when it is determined that the battery module is replaced or added in the battery pack, identifying a maximum cell voltage value and a minimum cell voltage value from among measured cell voltages, and charging the battery pack by cyclically repeating constant current charging and constant voltage charging for the battery pack until a difference between the maximum cell voltage value and the minimum cell voltage value satisfies a threshold amount.
A battery module includes: a plurality of battery cells; a side plate on a side of the plurality of battery cells; a holder on the plurality of battery cells; a bus bar on the holder and connecting the plurality of battery cells to each other; an end plate connected to the side plate and supporting the plurality of battery cells; a first spacer between two adjacent ones of the plurality of battery cells; and a second spacer between two adjacent other ones of the plurality of battery cells. The second spacer includes a protrusion portion. At least a part of the protrusion portion of the second spacer passes through the side plate and is supported on an outer surface of the side plate.
H01M 50/291 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders characterised by spacing elements or positioning means within frames, racks or packs characterised by their shape
H01M 10/6551 - Surfaces specially adapted for heat dissipation or radiation, e.g. fins or coatings
H01M 50/209 - Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
H01M 50/262 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders with fastening means, e.g. locks
H01M 50/507 - Interconnectors for connecting terminals of adjacent batteriesInterconnectors for connecting cells outside a battery casing comprising an arrangement of two or more busbars within a container structure, e.g. busbar modules
One or more embodiments of the present disclosure relates to a secondary battery. The secondary battery includes an electrode assembly, a current collector plate electrically connected to the electrode assembly, a case configured to accommodate the electrode assembly and the current collector plate, a cap plate coupled to the case, and an insulating member between the cap plate and the current collector plate, wherein the insulating member includes an insulating frame, and a thermally conductive member fixed by the insulating frame.
H01M 10/653 - Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials
H01M 50/103 - Primary casingsJackets or wrappings characterised by their shape or physical structure prismatic or rectangular
H01M 50/15 - Lids or covers characterised by their shape for prismatic or rectangular cells
H01M 50/474 - Spacing elements inside cells other than separators, membranes or diaphragmsManufacturing processes thereof characterised by their position inside the cells
H01M 50/533 - Electrode connections inside a battery casing characterised by the shape of the leads or tabs
H01M 50/536 - Electrode connections inside a battery casing characterised by the method of fixing the leads to the electrodes, e.g. by welding
Provided are a resist topcoat composition and a method of forming patterns using the resist topcoat composition, the resist topcoat composition including a copolymer including a first structural unit represented by Chemical Formula M-1, a second structural unit represented by Chemical Formula M-2, and a third structural unit represented by Chemical Formula M-3A or Chemical Formula M-3B; and a solvent.
G03F 7/11 - Photosensitive materials characterised by structural details, e.g. supports, auxiliary layers having cover layers or intermediate layers, e.g. subbing layers
C08F 220/28 - Esters containing oxygen in addition to the carboxy oxygen containing no aromatic rings in the alcohol moiety
C09D 133/16 - Homopolymers or copolymers of esters containing halogen atoms
13.
ELECTROLYTE ADDITIVES FOR RECHARGEABLE LITHIUM BATTERY, ELECTROLYTE INCLUDING THE SAME, AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME
An electrolyte additive for a rechargeable lithium battery includes a polymer obtained by polymerizing first compound represented by Chemical Formula 1, Chemical Formula 2, or Chemical Formula 3 as a monomer; and second compound represented by Chemical Formula 4.
An all solid secondary battery includes a cathode layer, an anode layer, and a solid electrolyte layer between the cathode layer and the anode layer, wherein the cathode layer includes a cathode current collector and a cathode active material layer on a side of the cathode current collector, the cathode active material layer includes a M2S-containing composite, M being lithium or sodium, the solid electrolyte layer includes a first solid electrolyte layer including a solid electrolyte represented by Formula 1 and a second solid electrolyte layer including a solid electrolyte represented by Formula 2, the first solid electrolyte layer is directly on the cathode active material layer and/or a first anode active material layer, and the anode layer includes an anode current collector and the first anode active material layer on a surface of the anode current collector.
An all solid secondary battery includes a cathode layer, an anode layer, and a solid electrolyte layer between the cathode layer and the anode layer, wherein the cathode layer includes a cathode current collector and a cathode active material layer on a side of the cathode current collector, the cathode active material layer includes a M2S-containing composite, M being lithium or sodium, the solid electrolyte layer includes a first solid electrolyte layer including a solid electrolyte represented by Formula 1 and a second solid electrolyte layer including a solid electrolyte represented by Formula 2, the first solid electrolyte layer is directly on the cathode active material layer and/or a first anode active material layer, and the anode layer includes an anode current collector and the first anode active material layer on a surface of the anode current collector.
(Li1−bM0b)7−zPS6−zM3z Formula 1
An all solid secondary battery includes a cathode layer, an anode layer, and a solid electrolyte layer between the cathode layer and the anode layer, wherein the cathode layer includes a cathode current collector and a cathode active material layer on a side of the cathode current collector, the cathode active material layer includes a M2S-containing composite, M being lithium or sodium, the solid electrolyte layer includes a first solid electrolyte layer including a solid electrolyte represented by Formula 1 and a second solid electrolyte layer including a solid electrolyte represented by Formula 2, the first solid electrolyte layer is directly on the cathode active material layer and/or a first anode active material layer, and the anode layer includes an anode current collector and the first anode active material layer on a surface of the anode current collector.
(Li1−bM0b)7−zPS6−zM3z Formula 1
LiaM1xM2wPSyM3z Formula 2
H01M 4/02 - Electrodes composed of, or comprising, active material
H01M 4/36 - Selection of substances as active materials, active masses, active liquids
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 4/587 - Carbonaceous material, e.g. graphite-intercalation compounds or CFx for inserting or intercalating light metals
H01M 50/457 - Separators, membranes or diaphragms characterised by the material having a layered structure comprising three or more layers
15.
Charge Generation Layer Comprising a Compound of Formula (I), Organic Electronic Device and Display Device Comprising the Charge Generation Layer as Well as Compounds of Formula (I)
The present invention relates to a charge generation layer comprising a compound of formula (I). The invention further relates to organic electronic devices and display devices comprising the charge generation layer as well as compounds of formula (I).
H10K 85/60 - Organic compounds having low molecular weight
C07C 253/00 - Preparation of carboxylic acid nitriles
C07D 211/92 - Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with a hetero atom directly attached to the ring nitrogen atom
C07D 239/20 - Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having two double bonds between ring members or between ring members and non-ring members
C07D 239/22 - Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having two double bonds between ring members or between ring members and non-ring members with hetero atoms directly attached to ring carbon atoms
C07D 401/14 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing three or more hetero rings
H10K 50/13 - OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers specially adapted for multicolour light emission, e.g. for emitting white light comprising stacked EL layers within one EL unit
Provided are a negative electrode and a rechargeable lithium battery comprising same, wherein the negative electrode includes: a current collector; and a negative electrode active material layer located on the current collector and composed of a silicon-based negative electrode active material and a polymer having a potential band of 1.5 V or less with respect to Li, the negative electrode having a binding force of 1.0 gf/mm or more and an electrical conductivity of 1.0 S/m to 6.0 S/m.
22S composite, where M is an alkali metal and the alkali metal is Li or Na, and the gel polymer electrolyte contains a crosslinked polymer which is a polymerization product of a crosslinkable monomer having two or more crosslinking points.
The present invention relates to: a composite flame retardant for an all-solid-state rechargeable battery, the composite flame retardant comprising core particles, which contain a phosphorus-based flame retardant, and a coating layer, which is located on the surface of the core particles and contains a melamine-based flame retardant, wherein the thickness of the coating layer is 1 µm or less; a preparation method thereof; an elastic sheet for an all-solid-state rechargeable battery, the elastic sheet comprising the composite flame retardant; and an all-solid-state rechargeable battery.
The present invention relates to: a composite flame retardant for an all-solid rechargeable battery; a method for preparing same; an elastic sheet for an all-solid rechargeable battery, comprising same; and an all-solid rechargeable battery. The composite flame retardant for an all-solid rechargeable battery comprises core particles containing a phosphorus-based flame retardant and a coating layer located on the surface of the core particles and containing a melamine-based flame retardant, wherein the thickness of the coating layer is greater than 1 μm and less than or equal to 6 μm.
H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
H01M 10/0569 - Liquid materials characterised by the solvents
20.
COMPOUND OF FORMULA (I), ORGANIC ELECTRONIC DEVICE COMPRISING A COMPOUND OF FORMULA (1), DISPLAY DEVICE COMPRISING THE ORGANIC ELECTRONIC DEVICE AS WELL AS COMPOUNDS OF FORMULA (1) FOR USE IN ORGANIC ELECTRONIC DEVICES
The present invention relates to a compound of formula (I) as well as to an organic electronic device comprising a semiconductor layer which comprises a compound of formula (1).
An electrolyte for a rechargeable lithium battery includes a lithium salt, a non-aqueous organic solvent, and an additive represented by Formula:
An electrolyte for a rechargeable lithium battery includes a lithium salt, a non-aqueous organic solvent, and an additive represented by Formula:
An electrolyte for a rechargeable lithium battery includes a lithium salt, a non-aqueous organic solvent, and an additive represented by Formula:
where at least one R1 is an isocyanate group and at least one R2 is an isocyanate group.
A solid electrolyte membrane, a method of manufacturing the same, and an all-solid-state rechargeable battery, the solid electrolyte membrane includes a composite; and a solid electrolyte, wherein the composite includes a diamagnetic core particle; an insulating layer surrounding the diamagnetic core particle; and a shell surrounding the insulating layer, the shell including a solid electrolyte material.
A rechargeable battery module includes: a plurality of battery cells; a holder that accommodates the plurality of battery cells; a tab member installed at the holder to be welded to electrode terminals of the plurality of battery cells; and an insulating tape that insulates the tab member. The tab member includes a main body portion disposed on the holder, an extension portion having a width and extending along at least a portion of the main body portion, a neck portion bent downward from the extension portion to be disposed inside an opening of the holder, and a tab portion bent from the neck portion to be connected to a respective one of the electrode terminals of the plurality of battery cells, and the extension portion and the opening form an outlet at an upper portion of the respective one of the electrode terminals.
H01M 50/213 - Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for cells having curved cross-section, e.g. round or elliptic
H01M 50/503 - Interconnectors for connecting terminals of adjacent batteriesInterconnectors for connecting cells outside a battery casing characterised by the shape of the interconnectors
H01M 50/516 - Methods for interconnecting adjacent batteries or cells by welding, soldering or brazing
H01M 50/571 - Methods or arrangements for affording protection against corrosionSelection of materials therefor
Embodiments relate to an apparatus and method for protecting a memory. The apparatus may include a monitoring unit configured to monitor pieces of status data of an integrated circuit (IC) chip, and a processor configured to analyze the pieces of status data monitored by the monitoring unit to detect a cold boot attack on the IC chip and protect a memory in the IC chip from the cold boot attack according to a detection result.
An apparatus for compensating an open-circuit voltage (OCV) of a battery includes a voltage sensor configured to detect a voltage of a battery cell of the battery, and a processor configured to determine a voltage value and a state-of-charge (SOC) value of a peak within a voltage range based on the voltage of the battery cell each time a set number of cycles elapse, to determine a voltage variation amount of the peak, and to compensate an OCV using the SOC value for each peak and the voltage variation amount of the peak.
G01R 31/374 - Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC] with means for correcting the measurement for temperature or ageing
G01R 31/3835 - Arrangements for monitoring battery or accumulator variables, e.g. SoC involving only voltage measurements
26.
SEPARATOR FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY COMPRISING SAME
Provided are a separator for a lithium secondary battery and a lithium secondary battery comprising same. The separator for a lithium secondary battery includes a porous substrate and a coating layer positioned on at least one surface of the porous substrate and including polyethylene particles, inorganic particles, and a binding binder, wherein the inorganic particles are a mixture of first inorganic particles and second inorganic particles, the second inorganic particles are plate-shaped Mg(OH)2, the mixing ratio of the polyethylene particles and the inorganic particles is 5:5 to 8:2 by weight, and the mixing ratio of the first inorganic particles and the second inorganic particles is 1:9 to 3:7 by weight.
A rechargeable battery module is provided including a plurality of battery cells arranged in a first row and a second row parallel to the first row; a holder for receiving the plurality of battery cells; and a tab member disposed on the holder, positioned relative to the first and the second rows and welded to respective electrode terminals of plurality of the battery cells, wherein the tab member includes a body portion disposed between the first row and the second row, a first neck portion connected to the body portion, disposed along the first row, and connected to electrode terminals of one or more battery cells arranged in the first row with a first tab, and a second neck portion connected to the body portion, disposed along the second row, and connected to electrode terminals of one or more battery cells arranged in the second row with a second tab.
H01M 50/503 - Interconnectors for connecting terminals of adjacent batteriesInterconnectors for connecting cells outside a battery casing characterised by the shape of the interconnectors
H01M 50/213 - Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for cells having curved cross-section, e.g. round or elliptic
H01M 50/516 - Methods for interconnecting adjacent batteries or cells by welding, soldering or brazing
H01M 50/528 - Fixed electrical connections, i.e. not intended for disconnection
28.
DRY CATHODE FILM, DRY CATHODE INCLUDING THE SAME, AND ALL-SOLID SECONDARY BATTERY INCLUDING THE DRY CATHODE FILM
A dry cathode film includes a first dry cathode active material layer adjacent to a cathode current collector, and a second dry cathode active material layer on the first dry cathode active material layer. The first dry cathode active material layer and the second dry cathode active material layer each independently include a dry cathode active material including a composite of Li2S, a lithium salt, and a carbon-based material; a dry sulfide-based solid electrolyte; and a dry binder. A content of the dry cathode active material in the first dry cathode active material layer is greater than a content of the dry cathode active material in the second dry cathode active material layer, and a content of the dry sulfide-based solid electrolyte in the first dry cathode active material layer is less than a content of the dry sulfide-based solid electrolyte in the second dry cathode active material layer.
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 4/583 - Carbonaceous material, e.g. graphite-intercalation compounds or CFx
A dry powder kneading apparatus includes a main body including an inner space into which a mixture containing an active material, a conductive material, and a binder is supplied, and a screw inside the inner space of the main body, the screw being configured to move the mixture in one direction and to knead the mixture into fiberized dry powder, and a rotation torque of the screw being 1.4 kgf·m to 42 kgf·m.
B01F 27/72 - Mixers with rotary stirring devices in fixed receptaclesKneaders with stirrers rotating about a horizontal or inclined axis with helices or sections of helices
B01F 35/92 - Heating or cooling systems for heating the outside of the receptacle, e.g. heated jackets or burners
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 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
30.
NEGATIVE ELECTRODE LAYER FOR ALL-SOLID SECONDARY BATTERY, ALL-SOLID SECONDARY BATTERY INCLUDING THE SAME, AND PREPARATION METHOD THEREOF
Provided are a negative electrode layer for sulfide-based solid electrolyte-containing all-solid secondary batteries, an all-solid secondary battery including the same, and a preparation method thereof, wherein the negative electrode layer includes a negative current collector and a first negative active material layer, and the first negative active material layer includes a lithium metal composite including lithium metal and an inorganic negative active material.
A dry powder feeding apparatus includes a feeder accommodating a fibrous dry powder, the fibrous dry powder including an active material, a conductive material, and a binder, and a trough adjacent to the feeder, the trough including a bottom and a plurality of bottom pattern portions protruding from an inner surface of the bottom, the bottom of the trough being configured to move the fibrous dry powder discharged from the feeder in a first direction.
B65G 27/16 - Applications of devices for generating or transmitting jigging movements of vibrators, i.e. devices for producing movements of high frequency and small amplitude
H01M 10/04 - Construction or manufacture in general
32.
BATTERY SYSTEM AND METHOD FOR MONITORING A BATTERY SYSTEM
A battery system includes a battery pack, the battery pack including a housing and a plurality of battery cells accommodated within the housing, and an underbody deformation detection system, wherein the underbody deformation detection system includes a first conductor arranged in an upper plane and a second conductor arranged in a lower plane, wherein the first conductor and the second conductor at least partially overlap in a top view, wherein the underbody deformation detection system is adapted to monitor at least one electrical measurand between the first conductor and the second conductor and to determine a deformation of the lower plane of the underbody deformation detection system.
G01B 7/16 - Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge
H01M 50/231 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders characterised by the material of the casings or racks having a layered structure
H01M 50/249 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders specially adapted for aircraft or vehicles, e.g. cars or trains
H01M 50/284 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders with incorporated circuit boards, e.g. printed circuit boards [PCB]
Provided are a polarizing plate and an optical display apparatus comprising same, in which the polarizing plate comprises a polarizer, the polarizer consists of a polyvinyl alcohol-based film containing a dichroic material, and 1.5 to 5.0 wt% of boron, 0.3 to 1.0 wt% of potassium, 0.1 to 1.0 wt% of zinc, and 0.0001 to 0.1 wt% of nitrogen are contained in the polarizer.
Provided are: a curable composition comprising (A) quantum dots comprising a first functional group represented by a specific chemical formula and a second functional group comprising a *-OC(=O) group at the terminal thereof, and (B) a polymerizable compound; a cured layer produced using the composition; and a display device including the cured layer.
G03F 7/032 - Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds with binders
G03F 7/105 - Photosensitive materials characterised by structural details, e.g. supports, auxiliary layers having substances, e.g. indicators, for forming visible images
35.
CURABLE COMPOSITION, CURED LAYER PRODUCED USING COMPOSITION AND DISPLAY DEVICE INCLUDING CURED LAYER
Provided are: a curable composition comprising (A) quantum dots and (B) a polymerizable compound, wherein the polymerizable compound comprises a structural unit represented by a specific chemical formula, does not comprise an aromatic ring, and comprises, at at least one of the terminals thereof, a functional group represented by a different specific chemical formula; a cured layer produced using the composition; and a display device including the cured layer.
G03F 7/105 - Photosensitive materials characterised by structural details, e.g. supports, auxiliary layers having substances, e.g. indicators, for forming visible images
G03F 7/032 - Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds with binders
36.
SOLID ELECTROLYTE MEMBRANE, PREPARATION METHOD THEREOF, AND ALL-SOLID RECHARGEABLE BATTERIES
The present invention relates to a solid electrolyte membrane, a preparation method thereof, and all-solid rechargeable batteries, wherein the solid electrolyte membrane comprises: a core containing a composite and a solid electrolyte, the composite including diamagnetic particles; an insulating layer enclosing the core; and a shell enclosing the insulating layer and containing a solid electrolyte.
Provided are an elastic sheet for an all-solid-state secondary battery, and an all-solid-state secondary battery, the elastic sheet comprising a polymer resin, a phosphorus-based flame retardant and a melamine-based flame retardant, wherein the weight ratio of the phosphorus-based flame retardant to the melamine-based flame retardant is 95:5 to 65:35.
H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
H01M 10/0585 - Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
ORGANIC ELECTRONIC DEVICE COMPRISING A HOLE INJECTION LAYER, WHEREIN THE HOLE INJECTION LAYER COMPRISES A COMPOUND OF FORMULA (I) AND A COMPOUND OF FORMULA (III)
The present invention relates to an organic electronic device comprising a substrate (110), an anode layer (120), a cathode layer (190), at least one first emission layer (150), and a hole injection layer (130), wherein the hole injection layer comprises a metal complex of formula (I) and a compound of formula (III), wherein the hole injection layer is arranged between the anode layer and the at least one first emission layer.
A battery pack may include a battery module including a plurality of cells electrically connected to each other between a high voltage terminal and a low voltage terminal; a main switch connected to the high voltage terminal or the low voltage terminal, and having a control terminal connected to a first terminal of at least one first cell among the plurality of cells; and a switch control device for controlling the connection between the first terminal of the first cell and the control terminal of the main switch.
A communication system in which a main device and a plurality of sub-devices connected to the main device via a communication network communicate with each other in parallel (BUS), the communication system including a plurality of sub-devices each including a switch configured to open or close a connection of a parallel (BUS) communication line to the main device, and a terminal resistor configured to enable wiring to the parallel (BUS) communication line and the main device connected to the plurality of sub-devices through the parallel (BUS) communication line, and configured to set communication IDs of the plurality of sub-devices and, based on the communication IDs, diagnose a communication failure in the communication network.
A secondary battery includes: a case having a prismatic shape; an electrode assembly in the case; and a cap assembly including a cap plate coupled to one end of the case, wherein the case includes a coupling portion provided in a shape concave from an inner surface toward an outer side along an upper region of at least some surfaces thereof, and the coupling portion includes an inclined surface, a connection surface, and a stepped portion.
A secondary battery includes an electrode assembly including a first tab and a second tab at opposite ends of the electrode assembly in a longitudinal direction, respectively; a case configured to accommodate the electrode assembly and in which a first opening and a second opening are defined at opposite ends of the case in the longitudinal direction, respectively; a first cap plate coupled to the first opening of the case and insulated from and penetrated by a first terminal that is electrically coupled to the first tab of the electrode assembly, the first cap plate including a second terminal electrically coupled to the second tab of the electrode assembly; and a second cap plate coupled to the second opening of the case and electrically coupled to the second tab of the electrode assembly.
A secondary battery includes: an electrode assembly including: first and second electrode plates respectively including a main tab close to an outer edge based on a center line in a longitudinal direction and a sub tab that is closer to the center line than to the outer edge; a first current collector electrically coupled to the first main tab and the first sub tab; a second current collector electrically coupled to the second main tab and the second sub tab; and a case configured to accommodate the electrode assembly, the first current collector, and the second current collector. The first main tab and the second sub tab have an asymmetric shape, and the second main tab and the second sub tab have an asymmetric shape.
A secondary battery includes: an electrode assembly including a first electrode plate, a second electrode plate, and a separator, and wound to have a hollow part at a center thereof; a can having a cylindrical shape, of which a first surface is closed, and a second surface is open to accommodate the electrode assembly, the can being electrically connected to the first electrode plate; a cap plate coupled to the second surface of the can; and a terminal passing through the first surface of the can and including an inner portion supported inside the can and an outer portion supported outside the can, the terminal being electrically connected to the second electrode plate, and the hollow part of the electrode assembly has a diameter less than that of the inner portion of the terminal.
H01M 50/14 - Primary casingsJackets or wrappings for protecting against damage caused by external factors
H01M 50/107 - Primary casingsJackets or wrappings characterised by their shape or physical structure having curved cross-section, e.g. round or elliptic
H01M 50/179 - Arrangements of electric connectors penetrating the casing adapted for the shape of the cells for cells having curved cross-section, e.g. round or elliptic
H01M 50/186 - Sealing members characterised by the disposition of the sealing members
A secondary battery includes an electrode assembly wound to have a hollow part at a center thereof, and, in the electrode assembly, a first end of the second electrode plate, which is proximal to the hollow part, has a first offset so as to be spaced apart from a first end of the first electrode plate that is proximal to the hollow part toward a second end of the first electrode plate that is distal from the hollow part, and a second end of the second electrode plate, which is distal from the hollow part, has a second offset so as to be spaced apart from the second end of the first electrode plate that is distal from the hollow part toward the first end of the first electrode plate that is proximal to the hollow part, and the first offset is greater than the second offset.
H01M 50/107 - Primary casingsJackets or wrappings characterised by their shape or physical structure having curved cross-section, e.g. round or elliptic
H01M 50/152 - Lids or covers characterised by their shape for cells having curved cross-section, e.g. round or elliptic
H01M 50/167 - Lids or covers characterised by the methods of assembling casings with lids by crimping
H01M 50/188 - Sealing members characterised by the disposition of the sealing members the sealing members being arranged between the lid and terminal
An elastic sheet for an all solid-state battery as well as an all solid-state battery which includes the elastic sheet for an all solid-state battery, wherein the elastic sheet for an all solid-state battery includes a spherical polymer which has a sphericity of about 0.6 to about 0.95 as well as including a binder.
A negative electrode active material, including a core which includes a silicon-carbon composite; and a polymer coating layer on the core including a silicon-carbon composite, wherein the negative electrode active material has a (100) plane peak and a (002) plane peak during an X-ray diffraction measurement using a CuKα ray.
An electrode assembly for a secondary battery includes positive and negative electrode plates and a separator therebetween. Each of the electrode plates includes: an electrode current collector plate and having an electrode active material layer on a surface of the electrode current collector plate and at least one uncoated portion at where no electrode active material is applied; and a plurality of electrode tabs electrically attached and coupled to the uncoated portions. The positive electrode tabs protrude upwardly from an upper portion of the electrode assembly, and the negative electrode tabs protrude downwardly from a lower portion of the electrode assembly.
Disclosed are an elastic sheet for an all-solid-state battery and an all-solid-state battery including the same. The elastic sheet includes a plate-shaped polymer with an aspect ratio of about 1 to about 5 and a thickness of about 0.2 μm to about 4 μm; and a binder. The all-solid-state battery includes a positive electrode, a negative electrode, a solid electrolyte layer between the positive electrode and the negative electrode, and an elastic sheet. The elastic sheet includes a plate-shaped polymer with an aspect ratio of about 1 to about 5 and a thickness of about 0.2 μm to about 4 μm, and a binder, positioned on outside of at least one of the positive electrode and the negative electrode.
A negative electrode includes a current collector; and a negative electrode active material on the current collector, the negative electrode active material layer including a polymer having a potential band vs. Li of less than or equal to about 1.5 V, and a silicon active material, wherein the negative electrode has a binding force of greater than or equal to about 1.0 gf/mm and an electrical conductivity of about 1.0 S/m to about 6.0 S/m.
A composite flame retardant for an all-solid-state rechargeable battery, the composite flame retardant including core particles that include a phosphorus flame retardant; and a coating layer on a surface of the core particles, the coating layer including a melamine flame retardant, wherein the coating layer has a thickness of greater than about 1 μm and less than or equal to about 6 μm.
A negative electrode for a rechargeable lithium battery includes a current collector, and a dry negative active material layer on the current collector, the dry negative active material layer including a negative active material having a crystalline carbon core and a non-conductive layer coated on a surface of the crystalline carbon core, and a polytetrafluoroethylene binder.
A negative electrode active material, including silicon nanoparticles including an amorphous carbon coating layer on a surface of the silicon nanoparticles; and pores, wherein the negative electrode active material has a sphericity as represented by Equation 1 of about 0.9 to about 1.0, and the pores include mesopores, and a ratio of a mesopores volume relative to a total pore volume of the negative electrode active material is about 30% or more and less than about 70%, and
A negative electrode active material, including silicon nanoparticles including an amorphous carbon coating layer on a surface of the silicon nanoparticles; and pores, wherein the negative electrode active material has a sphericity as represented by Equation 1 of about 0.9 to about 1.0, and the pores include mesopores, and a ratio of a mesopores volume relative to a total pore volume of the negative electrode active material is about 30% or more and less than about 70%, and
Sphericity
(
S
)
=
4
π
×
A
/
B
2
[
Equation
1
]
in Equation 1, A is an area of the negative electrode active material and B is a circumference of a shape of the negative electrode active material.
An embodiment of the present invention relates to a cylindrical secondary battery, and the cylindrical secondary battery may comprise: a cylindrical can; an electrode assembly which includes a first electrode plate, a second electrode plate, and a separator wound together and is accommodated in the can; and a cap assembly which is insulated from the can, is electrically connected to the electrode assembly, and has a hole formed therethrough to communicate with the inside of the can. According to the embodiment of the present invention, a degassing function is applied so that gas generated before product delivery can be removed and thus deformation of the can and the cap assembly can be reduced. In addition, the occurrence of swelling of the electrode assembly due to internal gas generation can be prevented and thus performance degradation of the secondary battery can be reduced.
H01M 10/04 - Construction or manufacture in general
H01M 50/107 - Primary casingsJackets or wrappings characterised by their shape or physical structure having curved cross-section, e.g. round or elliptic
H01M 50/152 - Lids or covers characterised by their shape for cells having curved cross-section, e.g. round or elliptic
H01M 50/186 - Sealing members characterised by the disposition of the sealing members
A rechargeable battery module according to the present disclosure includes a plurality of unit cells arranged and stacked in a first direction and electrically connected to each other, an end plate disposed adjacent to an outermost unit cell of the plurality of unit cells and supporting the plurality of unit cells, and a side plate extending long along the first direction and supporting the plurality of unit cells. The side plate includes a main body fixed to the plurality of unit cells by an adhesive provided between the side plate and each of the plurality of unit cells; and a position fixing member integrally extending from a first surface of the main body facing the plurality of unit cells and positioned between the plurality of unit cells. The position fixing member is disposed in a space between the plurality of unit cells, and the adhesive is in close contact with the position fixing member within the space between the plurality of unit cells to be positioned within the space between the plurality of unit cells.
H01M 50/291 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders characterised by spacing elements or positioning means within frames, racks or packs characterised by their shape
H01M 50/209 - Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
H01M 50/264 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders with fastening means, e.g. locks for cells or batteries, e.g. straps, tie rods or peripheral frames
H01M 50/293 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders characterised by spacing elements or positioning means within frames, racks or packs characterised by the material
H01M 50/586 - Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries inside the batteries, e.g. incorrect connections of electrodes
56.
SEMICONDUCTOR PHOTORESIST COMPOSITION AND METHOD OF FORMING PATTERNS USING THE COMPOSITION
A semiconductor photoresist composition includes: an organometallic compound represented by Chemical Formula 1; and a solvent:
A semiconductor photoresist composition includes: an organometallic compound represented by Chemical Formula 1; and a solvent:
A semiconductor photoresist composition includes: an organometallic compound represented by Chemical Formula 1; and a solvent:
Further, a method of forming patterns includes: forming an etching-objective layer on a substrate; coating the semiconductor photoresist composition as claimed in claim 1 on the etching-objective layer to form a photoresist layer; patterning the photoresist layer to form a photoresist pattern; and etching the etching-objective layer using the photoresist pattern as an etching mask.
A composite flame retardant for an all-solid-state rechargeable battery, the composite flame retardant includes core particles including a phosphorus flame retardant; and a coating layer on a surface of the core particles, the coating layer including a melamine flame retardant, wherein the coating layer has a thickness of less than or equal to about 1 μm.
A positive electrode active material includes a core particle including a layered lithium nickel-manganese-based composite oxide, a first coating layer provided on the surface of the core particle and including Al, and a second coating layer provided on the first coating layer and including Ni. A method for preparing a positive electrode active material includes: mixing a layered nickel-manganese composite hydroxide and a lithium raw material and performing a first heat treatment to obtain a lithium nickel-manganese-based composite oxide, adding an aluminum (Al) raw material to an aqueous solvent, adding the lithium nickel-manganese composite oxide thereto and mixing them, then adding a nickel (Ni) raw material and mixing them, and drying the mixture and performing a second heat treatment.
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 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
59.
NEGATIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME
A negative electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same. The negative electrode includes: a current collector; a first negative active material layer disposed on one side of the current collector and including a first negative active material and a linear conductive material; and a second negative active material layer disposed on one side of the first negative active material layer and including a second negative active material.
The present invention relates to an elastic sheet for an all solid-state battery and an all solid-state battery comprising same, wherein the elastic sheet comprises a binder and a spherical polymer having a sphericity of 0.6 to 0.95. Accordingly, the elastic sheet for an all solid-state battery can apply uniform pressure to an electrode laminate, and can provide safety in the event of an external impact, and thus can provide an all solid-state battery exhibiting excellent charge and discharge characteristics and safety. In addition, provided is an all solid-state battery comprising: a positive electrode; a negative electrode; a solid electrolyte layer positioned between the positive electrode and the negative electrode; and an elastic sheet positioned to the outside of at least one of the positive electrode and the negative electrode.
H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
H01M 10/0585 - Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
A secondary battery includes an electrode assembly in which a negative electrode plate, a separator, and a positive electrode plate are laminated and wound; and an exterior material accommodating the electrode assembly, wherein the positive electrode plate includes a conductive base material layer having first and second surfaces, the second surface being an opposite surface of the first surface, a first functional layer on the first surface of the conductive base material layer, a first electrically active material layer on the first functional layer, a first insulating layer on the first surface of the conductive base material layer, the first insulating layer being spaced apart from the first functional layer and the first electrically active material layer, and a first lamination tape covering a part of the first functional layer, the first electrically active material layer, the first insulating layer, and the first surface of the conductive base material layer.
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 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 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
H01M 50/178 - Arrangements of electric connectors penetrating the casing adapted for the shape of the cells for pouch or flexible bag cells
62.
MULTI-SLOT DIE, COATING METHOD USING THE SAME, SLURRY SUPPLY SYSTEM, AND SLURRY SUPPLY METHOD USING THE SAME
A multi-slot die includes a plurality of dies that form a continuous coating portion along a length direction on one electrode substrate that continuously proceeds in multiple columns to be spaced apart from each other along a width direction intersecting the length direction, using a supplied active material slurry, a plurality of gap adjustment assemblies that are provided corresponding to each of the dies and independently adjust gaps set between each of the dies and the electrode substrate along a discharge direction of the die and a die position adjustment assembly that is provided corresponding to the gap adjustment assemblies and independently adjusts positions of the dies with respect to the width direction.
B05C 5/02 - Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work from an outlet device in contact, or almost in contact, with the work
A secondary battery including an electrode assembly; a case containing the electrode assembly; and a strip terminal including a conductor part connected to the electrode assembly and extending outward, a foaming part surrounding the conductor part and containing foaming particles that foam under predetermined temperature conditions, and an adhesive layer surrounding the foaming part and bonded to the case.
Disclosed is a secondary battery that reduces or prevents heat transfer from a battery cell to surroundings thereof if an event occurs in the battery cell. The secondary battery includes an electrode assembly including a first electrode plate and a second electrode plate including an electrode uncoated portion protruding from one side, a case for receiving the electrode assembly, and defining a lower opening at a lower end, a cap assembly at one surface of the case for sealing the case, and including an electrode terminal electrically connected to the electrode uncoated portion, and a sealing plate coupled along a perimeter of the case at the lower opening.
A battery module includes adjacent battery cells electrically connected using a plate-spring. A battery pack includes one or more battery modules. A vehicle uses one or more of the battery modules and/or one of more of the battery packs. Also, a method for manufacture of the battery module is provided.
H01M 50/209 - Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
H01M 50/249 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders specially adapted for aircraft or vehicles, e.g. cars or trains
H01M 50/548 - Terminals characterised by the disposition of the terminals on the cells on opposite sides of the cell
H01M 50/569 - Constructional details of current conducting connections for detecting conditions inside cells or batteries, e.g. details of voltage sensing terminals
66.
RECHARGEABLE BATTERY AND MANUFACTURING METHOD THEREOF
A rechargeable battery includes an electrode assembly including a first electrode and a second electrode stacked with a separator in between, and wound into a flat jelly roll, and a case having a receiver for accommodating the electrode assembly and a sealing portion surrounding the receiver, wherein an edge of the receiver includes a first straight portion and a first curved portion connected to the first straight portion and positioned at a corner, wherein an edge of the first electrode on a plane of the electrode assembly includes a second straight portion, and a corner deformed portion connected to the second straight portion and facing the first curved portion, and wherein a minimum interval between the first curved portion and the corner deformed portion is smaller than an interval between the first straight portion and the second straight portion.
A battery system includes a battery pack including a plurality of battery cells; a cell monitoring circuit; and a conductor arrangement including a plurality of conductor lines, a flexible flat cable, and a plurality of printed circuit boards that overlap with the flexible flat cable, a first end of the conductor lines being connected to the cell monitoring circuit via the flexible flat cable, and a second end of the conductor lines being electrically connected to live parts of the battery cells via the printed circuit boards.
H01M 50/519 - Interconnectors for connecting terminals of adjacent batteriesInterconnectors for connecting cells outside a battery casing comprising printed circuit boards [PCB]
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 50/489 - Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
H01M 50/516 - Methods for interconnecting adjacent batteries or cells by welding, soldering or brazing
H01M 50/528 - Fixed electrical connections, i.e. not intended for disconnection
H01M 50/583 - Devices or arrangements for the interruption of current in response to current, e.g. fuses
68.
RESIST UNDERLAYER COMPOSITION AND METHOD OF FORMING PATTERNS USING THE COMPOSITION
Disclosed are a resist underlayer composition, and a method of forming a pattern using the resist underlayer composition. The resist underlayer composition includes a polymer including a structural unit represented by Chemical Formula 1, and a solvent. The definitions of Chemical Formula 1 are as described in the specification.
Disclosed are a resist underlayer composition, and a method of forming a pattern using the resist underlayer composition. The resist underlayer composition includes a polymer including a structural unit represented by Chemical Formula 1, and a solvent. The definitions of Chemical Formula 1 are as described in the specification.
G03F 7/11 - Photosensitive materials characterised by structural details, e.g. supports, auxiliary layers having cover layers or intermediate layers, e.g. subbing layers
C08G 73/06 - Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromoleculePolyhydrazidesPolyamide acids or similar polyimide precursors
C09D 179/04 - Polycondensates having nitrogen-containing heterocyclic rings in the main chainPolyhydrazidesPolyamide acids or similar polyimide precursors
69.
POSITIVE ELECTRODE ACTIVE MATERIAL, PREPARATION METHOD THEREOF, POSITIVE ELECTRODE, AND RECHARGEABLE LITHIUM BATTERIES
Disclosed are a positive electrode active material, a method of preparing the same, and a positive electrode and a rechargeable lithium battery including the same, the positive electrode active material including core particles including a layered lithium nickel-manganese-based composite oxide, a first coating layer on a surface of the core particles and containing Al, and a second coating layer on the first coating layer and containing Co.
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 4/36 - Selection of substances as active materials, active masses, active liquids
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
70.
POSITIVE ELECTRODE ACTIVE MATERIAL, PREPARATION METHOD THEREOF, POSITIVE ELECTRODE, AND RECHARGEABLE LITHIUM BATTERIES
A positive electrode active material, a method of preparing the same, a positive electrode and a rechargeable lithium battery including the same are disclosed. The positive electrode active material includes core particles including a layered lithium nickel-manganese-based composite oxide, a first coating layer disposed on a surface of the core particles and containing Al, and a second coating layer disposed on the first coating layer and containing Mn.
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 4/36 - Selection of substances as active materials, active masses, active liquids
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 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
A rechargeable battery according to the present disclosure includes an electrode assembly including a plurality of electrode plates, each electrode plate including an electrode base tab and disposed to be stacked on one another, and a separator interposed between the plurality of electrode plates, and a case accommodating the electrode assembly, wherein a width of an electrode base tab of an outermost electrode plate in the electrode assembly is smaller than a width of the electrode base tab of remaining electrodeplates.
Disclosed herein is a negative electrode including a current collector, a first active material layer on the current collector, and a second active material layer on the first active material layer, wherein the first active material layer and the second active material layer each independently includes a silicon-based active material and a binder, and the binder includes a copolymer (A) and a copolymer (B), the copolymer (A) includes a unit (a−1) derived from a (meth)acrylic acid-based monomer and a unit (a−2) derived from a (meth)acrylonitrile monomer, and the copolymer (B) includes a unit (b−1) derived from an aromatic vinyl-based monomer and a unit (b−2) derived from an ethylenically unsaturated monomer that is at least one of an unsaturated carboxylic acid alkyl ester monomer, a (meth)acrylic acid-based monomer, an unsaturated carboxylic acid amide monomer, or a conjugated diene monomer, and a rechargeable lithium battery including the same.
An outer terminal connection structure of a secondary battery, includes: a first current collector to be welded to non-coating portion tabs of an electrode assembly; a second current collector electrically connected to the first current collector; a cap plate above the second current collector, and connected to an opening of a case, the cap plate having a plate hole; an outer terminal above the cap plate, and electrically connected to the second current collector; an insulator passing through the cap plate to be located above and below the cap plate, the insulator to support the outer terminal at an upper side, and contact the second current collector at a lower side; and a terminal connection part passing through the plate hole to electrically connect the second current collector to the outer terminal. The outer terminal connection structure includes a rotation prevention structure to restrict a relative rotation.
A negative active material for a rechargeable lithium battery includes at least one particle selected from a composite crystalline carbon particle (A) including a crystalline carbon core and an amorphous carbon coating layer surrounding the crystalline carbon core; a composite crystalline carbon-silicon particle (B) including a mixed core of a crystalline carbon and silicon and an amorphous carbon coating layer surrounding the mixed core; and a composite silicon particle (C) including a silicon core and an amorphous carbon coating layer surrounding the silicon core, wherein the at least one particle has convexity in a range of about 0.85 to about 0.97 and circularity in a range of about 0.74 to about 0.90.
The present invention relates to a secondary battery that prevents heat, generated by a battery cell, from being transferred to the surroundings when an event occurs inside the battery cell. For example, disclosed is a secondary battery comprising: an electrode assembly including a first electrode plate and a second electrode plate, an electrode uncoated portion protruding from at least one side of the electrode assembly; a case that accommodates the electrode assembly and has an opening portion at the lower end; a cap assembly that is formed on one side of the case to seal the case and includes an electrode terminal electrically connected to the electrode uncoated portion; and a sealing plate that is coupled along the perimeter of the opening portion formed at the lower end of the case.
The present invention relates to an elastic sheet for an all solid-state battery and an all solid-state battery comprising same, the elastic sheet comprising a binder and a flat polymer having an aspect ratio of 1 to 5 and a thickness of 0.2 to 4μm.
H01M 10/0585 - Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
Provided is a method of diagnosing an assembly defect of a battery pack, the method including calculating an internal resistance value of a battery module including battery cells in the battery pack, calculating an internal resistance value of a battery control unit (BCU) in the battery pack and configured to control charging/discharging of the battery module, and comparing a first voltage value of the battery pack with a second voltage value of the battery pack, the first voltage value being calculated based on the internal resistance value of the battery module and the internal resistance value of the BCU, and the second voltage value being a measured voltage value of the battery pack.
H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
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 31/392 - Determining battery ageing or deterioration, e.g. state of health
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
78.
SOLID SECONDARY BATTERY, AND MANUFACTURING METHOD THEREOF
A solid secondary battery including a positive electrode layer, a negative electrode layer, and an electrolyte layer provided between the positive electrode layer and the negative electrode layer is provided. The positive electrode layer includes a positive current collector, and a positive active material layer provided on at least one side of the positive current collector, the positive active material layer includes a composite positive active material that includes M2S, an alkali metal salt, a two-dimensional carbonaceous nanostructure, and a fibrous carbonaceous material with an aspect ratio of 2 or more, where M is Li or Na. The two-dimensional carbonaceous nanostructure includes graphene, a graphene oxide, a reduced graphene oxide, or a combination thereof, and the composite positive active material includes a solid solution of M2S and the alkali metal salt.
A solid secondary battery and a method of preparing the same are provided. The solid secondary battery includes a cathode layer, an anode layer, and a solid electrolyte layer between the cathode layer and the anode layer, wherein the cathode layer includes a cathode current collector and a cathode active material layer on at least one side of the cathode current collector. The cathode active material layer includes a composite cathode active material, the composite cathode active material includes a composite of M2S, an alkali metal salt, and a two-dimensional carbonaceous structure, wherein M is an alkali metal, the alkali metal being Li or Na, the two-dimensional carbonaceous structure includes graphene, graphene oxide, reduced graphene oxide, or a combination thereof, and the composite includes a solid solution of the M2S and the alkali metal salt.
An apparatus for controlling viscosity of a slurry includes a mixing module mixing raw materials for a secondary battery, and a processor performing machine learning for prediction of viscosity of the slurry, predicting viscosity of the slurry in real time during a mixing process through machine learning, and adjusting conditions of the mixing process performed by the mixing module such that a predictive viscosity of the slurry meets a target viscosity.
A method of manufacturing an electrode of a rechargeable battery, the method including a first step of injection molding a plate-shaped electrode sheet in an injection mold with an electrode mixture that is input into an injection device, resulting in a molded electrode sheet, a second step of moving the molded electrode sheet onto a metal substrate and a third step of laminating the metal substrate and the molded electrode sheet.
An electrode assembly for a battery includes: a positive electrode plate including a positive electrode current collector plate, a positive electrode active material layer on a surface of the plate, at least one uncoated portion at which no positive electrode active material is applied, and at least one positive electrode tab electrically attached and coupled to the uncoated portion, and protruding upwardly from an upper portion of the electrode assembly; a negative electrode plate including a negative electrode current collector plate, a negative electrode active material layer on a surface of the plate, at least one uncoated portion in which no negative electrode active material is applied, at least one negative electrode tab electrically attached and coupled to the uncoated portion, and protruding downwardly from a lower portion of the electrode assembly; and a separator between the positive electrode plate and the negative electrode plate.
A negative electrode active material, a method of preparing the negative electrode active material, and a rechargeable lithium battery that includes the negative electrode active material, the negative active material includes amorphous nano-sized Si particles and the rechargeable lithium battery includes a negative electrode including the negative electrode active material, a positive electrode and an electrolyte.
C01B 33/029 - Preparation by decomposition or reduction of gaseous or vaporised silicon compounds other than silica or silica-containing material by decomposition of monosilane
H01M 4/02 - Electrodes composed of, or comprising, active material
Seoul National University R&DB Foundation (Republic of Korea)
Inventor
Kang, Dongyoun
Yoo, Jiwon
Cho, Namik
Jo, Junho
Lee, Keuntek
Youn, Seokjun
Abstract
A battery system including a plurality of battery cells, a lower controller configured to collect cell voltages of the plurality of battery cells at each sampling period of a plurality of sampling periods, calculate, based on the cell voltages, an average cell voltage and cell voltage deviations, encode the cell voltage deviations into first bit codes by using a first cell voltage Huffman code table, and transmit the average cell voltage and the first bit codes at each sampling period of the plurality of sampling periods, and an upper controller configured to receive the average cell voltage and the first bit codes from the lower controller, decode the first bit codes into decoded cell voltage deviations by using a second cell voltage Huffman code table, and generate restored cell voltages of the plurality of battery cells by using the average cell voltage and the decoded cell voltage deviations.
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
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
H03M 7/42 - Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code using table look-up for the coding or decoding process, e.g. using read-only memory
A secondary battery includes a cylindrical can, an electrode assembly in the cylindrical can together with an electrolytic solution, and a cap assembly coupled to the top of the cylindrical can, the cap assembly including a cap-up, a safety plate coupled to a lower surface of the cap-up, and an insulation gasket wrapping the cap-up and the safety plate, the insulation gasket filling a gap filling portion between the cap-up and the safety plate.
H01M 50/184 - Sealing members characterised by their shape or structure
H01M 50/107 - Primary casingsJackets or wrappings characterised by their shape or physical structure having curved cross-section, e.g. round or elliptic
H01M 50/152 - Lids or covers characterised by their shape for cells having curved cross-section, e.g. round or elliptic
H01M 50/186 - Sealing members characterised by the disposition of the sealing members
The present disclosure refers to a method for detecting the occurrence of a dielectric breakdown in a battery module. The present disclosure further refers to a method for disconnecting a battery module from a load upon detection of a dielectric breakdown in a battery module. Also, the present disclosure is related to a battery system with a battery module, the battery system being configured to perform the disclosed method for detecting the occurrence of a dielectric breakdown in a battery module and/or being configured to perform the disclosed method for disconnecting a battery module from a load upon detection of a dielectric breakdown in a battery module. Also, the present disclosure is related to a vehicle comprising at least one battery system according to the disclosure.
G01R 31/3842 - Arrangements for monitoring battery or accumulator variables, e.g. SoC combining voltage and current measurements
G01R 31/371 - Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC] with remote indication, e.g. on external chargers
87.
NEGATIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME
Disclosed are a negative electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same. The negative electrode includes a current collector; a negative active material layer, and an adhesive layer between the current collector and the negative active material and having a thickness of about 30 μm or less, wherein the adhesive layer comprises a carbon-based material at an amount of about 90 wt % or more based on the total 100 wt % of the adhesive layer.
Disclosed are a negative electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same, and the negative electrode includes a current collector; a first active material layer on at least one surface of the current collector, and including a first active material, a second active material layer on the first active material layer, and including a second active material, and a third active material layer on the second active material layer, and including a third active material, wherein the first active material includes a first crystalline carbon, the second active material includes a Si-carbon composite, and the third active material includes a second crystalline carbon, wherein a porosity A of the first active material layer, a porosity B of the second active material layer, and a porosity C of the third active material layer satisfy a relationship of Equation 1 or Equation 2:
Disclosed are a negative electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same, and the negative electrode includes a current collector; a first active material layer on at least one surface of the current collector, and including a first active material, a second active material layer on the first active material layer, and including a second active material, and a third active material layer on the second active material layer, and including a third active material, wherein the first active material includes a first crystalline carbon, the second active material includes a Si-carbon composite, and the third active material includes a second crystalline carbon, wherein a porosity A of the first active material layer, a porosity B of the second active material layer, and a porosity C of the third active material layer satisfy a relationship of Equation 1 or Equation 2:
C
≥
B
>
A
Equation
1
C
>
B
≥
A
.
Equation
2
The present invention relates to an organic electrolyte including at least one cyclic nitrile-based compound; and at least one chain type nitrile-based compound, and a secondary battery including the same.
H01M 10/0565 - Polymeric materials, e.g. gel-type or solid-type
H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
90.
A Ce(IV) Metal Complex, an Organic Electronic Device Comprising an Anode Layer, a Cathode Layer and a Charge Generation Layer, Wherein the Charge Generation Layer Comprises a P-Type Charge Generation Layer That Comprises the Ce(IV) Metal Complex and a N-Type Charge Generation Layer
The present invention is directed to an organic electronic device comprising an anode layer, a cathode layer and a charge generation layer, wherein the charge generation layer comprises a p-type charge generation layer and a n-type charge generation layer, wherein the n-type charge generation layer comprising an organic electron transport compound and a metal dopant, wherein the metal dopant is selected from a metal with an electronegativity of ≤1.4 eV by Pauling scale; the p-type charge generation layer comprising an organic hole transport compound and a Ce(IV) metal complex, and wherein the Ce(IV) metal complex comprises at least one anionic ligand L.
An all-solid rechargeable battery manufacturing method is provided. The all-solid rechargeable battery manufacturing method, according to one embodiment, comprises: a first step for forming a first stack by stacking a first solid electrolyte layer on a first negative electrode; a second step for stacking a positive electrode on the first solid electrolyte layer of the first stack; a third step for stacking a gasket on the first solid electrolyte layer so as to be spaced apart from the positive electrode; and a fourth step for forming a finishing part in a gap set between the positive electrode and the gasket.
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 4/36 - Selection of substances as active materials, active masses, active liquids
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 4/583 - Carbonaceous material, e.g. graphite-intercalation compounds or CFx
22S, {ii) an alkali metal salt, (iii) an inorganic electronically conductive structure, and (iv) a fibrous carbon-based material having an aspect ratio of 2 or more or a two-dimensional carbon-based structure; M is an alkali metal; the alkali metal is Li or Na; the inorganic electronically conductive structure has an electronic conductivity of 10-322S and an alkali metal salt; and the two-dimensional carbon-based structure is graphene, graphene oxide, or a combination thereof.
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 4/587 - Carbonaceous material, e.g. graphite-intercalation compounds or CFx for inserting or intercalating light metals
H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
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
A solid secondary battery and a method of manufacturing the same are provided. The solid secondary battery includes a cathode layer, an anode layer, a solid electrolyte layer provided between the cathode layer and the anode layer, wherein the cathode layer includes a cathode current collector and a cathode active material layer provided on one surface or two surfaces of the cathode current collector. The cathode active material layer includes a composite cathode active material, and the composite cathode active material includes a composite of M2S, an alkali metal salt, and an inorganic electronic-conductive structure, wherein M is an alkali metal, and the alkali metal is Li or Na. The inorganic electronic-conductive structure has an electronic conductivity of 11×10−3 S/cm or more, and the composite includes a solid solution of the M2S and the alkali metal salt.
H01M 4/136 - Electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
H01M 4/133 - Electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
H01M 4/134 - Electrodes based on metals, Si or alloys
H01M 4/36 - Selection of substances as active materials, active masses, active liquids
H01M 4/38 - Selection of substances as active materials, active masses, active liquids of elements or alloys
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 4/587 - Carbonaceous material, e.g. graphite-intercalation compounds or CFx for inserting or intercalating light metals
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
A solid secondary battery may include a cathode layer, an anode layer, and a solid electrolyte layer, wherein the cathode layer includes a cathode current collector and a cathode active material layer on one side or two sides of the cathode current collector, the cathode active material layer includes a composite cathode active material, the composite cathode active material includes a composite of i) M2S, ii) an alkali metal salt, iii) an inorganic electronically-conductive structure, and iv) a two-dimensional carbonaceous structure or a fibrous carbonaceous material having an aspect ratio of 2 or more, wherein M is an alkali metal, and the alkali metal is Li or Na, wherein the inorganic electronically-conductive structure has an electronic conductivity of 10−3 S/cm or more, the composite includes a solid solution of the M2S and the alkali metal salt, and the two-dimensional carbonaceous structure is graphene, graphene oxide, or a combination thereof.
A rechargeable battery includes a can including a top portion and a side portion connected to an edge of the top portion, the top portion having a square shape, and the side portion having four surfaces, an electrode assembly inside the can, the electrode assembly including electrodes stacked between two facing surfaces of the four surfaces of the side portion, and a cap plate coupled to an end portion of the side portion, the cap plate being configured to seal the can.
H01M 50/103 - Primary casingsJackets or wrappings characterised by their shape or physical structure prismatic or rectangular
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 10/0587 - Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
A secondary battery includes an electrode assembly including a first separator, a negative electrode plate on the first separator, a second separator on the negative electrode plate, and a positive electrode plate on the second separator, the electrode assembly wound in a jelly-roll shape having a winding start end and a winding finish end, and having a flat portion, and curved portions respectively at one side of the flat portion and at another side of the flat portion, and a finishing tape attached to the winding finish end of the electrode assembly wound in the jelly-roll shape, wherein the positive electrode plate covers an outer surface of the electrode assembly wound in the jelly-roll shape, and has a finish end terminating on the flat portion.
A negative electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same are provided. The negative electrode includes a current collector; and a negative active material layer on at least one surface of the current collector, wherein the negative active material layer comprises a first crystalline carbon layer in contact with the current collector, a silicon layer on the first crystalline carbon layer and comprising a Si-carbon composite, and a second crystalline carbon layer on the silicon layer, and a thickness of the silicon layer is about 3% to about 35% based on a total thickness of the negative active material layer.
Example embodiments include a battery insulation sheet having a structure in which a first substrate, an aerogel layer, and a second substrate are laminated, wherein opposite surfaces of the aerogel layer is in contact with the first substrate or the second substrate adjacent thereto. Example embodiments also include a method of manufacturing a battery insulation sheet, and a battery module including the battery insulation sheet.
Disclosed are a compound for an organic optoelectronic device represented by Chemical Formula 1, a composition for an organic optoelectronic device, an organic optoelectronic device including the same, and a display device.
Disclosed are a compound for an organic optoelectronic device represented by Chemical Formula 1, a composition for an organic optoelectronic device, an organic optoelectronic device including the same, and a display device.
The contents of Chemical Formula 1 are as defined in the detailed description.
H10K 85/60 - Organic compounds having low molecular weight
C07D 403/14 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group containing three or more hetero rings
C07D 405/14 - Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing three or more hetero rings
H10K 50/12 - OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers comprising dopants
