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1. EP3121884 - ELECTROLYTIC COPPER FOIL, AND COLLECTOR, NEGATIVE ELECTRODE, AND LITHIUM BATTERY COMPRISING SAME

Office
European Patent Office
Application Number 15764123
Application Date 20.03.2015
Publication Number 3121884
Publication Date 25.01.2017
Publication Kind B1
IPC
H01M 4/66
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4Electrodes
02Electrodes composed of, or comprising, active material
64Carriers or collectors
66Selection of materials
H01M 4/02
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4Electrodes
02Electrodes composed of, or comprising, active material
H01M 10/052
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
10Secondary cells; Manufacture thereof
05Accumulators with non-aqueous electrolyte
052Li-accumulators
CPC
H01M 10/052
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
10Secondary cells; Manufacture thereof
05Accumulators with non-aqueous electrolyte
052Li-accumulators
H01M 2220/20
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
2220Batteries for particular applications
20Batteries in motive systems, e.g. vehicle, ship, plane
H01M 2004/027
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4Electrodes
02Electrodes composed of or comprising active material
026characterised by the polarity
027Negative electrodes
H01G 11/28
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
11Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors [EDLCs]; Processes specially adapted for the manufacture thereof or of parts thereof
22Electrodes
26characterised by the structures of the electrodes, e.g. multi-layered, shapes, dimensions, porosities or surface features
28arranged or disposed on a current collector; Layers or phases between electrodes and current collectors, e.g. adhesives
H01G 11/68
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
11Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors [EDLCs]; Processes specially adapted for the manufacture thereof or of parts thereof
66Current collectors
68characterised by their materials
H01G 11/70
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
11Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors [EDLCs]; Processes specially adapted for the manufacture thereof or of parts thereof
66Current collectors
70characterised by their structures
Applicants ILJIN MAT CO LTD
Inventors SONG KI DEOK
LEE SUN HYOUNG
JO TAE JIN
PARK SEUL KI
Designated States
Title
(DE) ELEKTROLYTISCHE KUPFERFOLIE UND SAMMLER, NEGATIVELEKTRODE UND LITHIUMBATTERIE DAMIT
(EN) ELECTROLYTIC COPPER FOIL, AND COLLECTOR, NEGATIVE ELECTRODE, AND LITHIUM BATTERY COMPRISING SAME
(FR) FEUILLE DE CUIVRE ÉLECTROLYTIQUE, ET COLLECTEUR, ÉLECTRODE NÉGATIVE, ET BATTERIE AU LITHIUM LA COMPRENANT
Abstract
(EN) Disclosed is an electrolytic copper foil having specific resistivity of 1.68 to 1.72 µ© €¢ cm and a grain mean diameter of a crystallite less than 0.41 to 0.80 µ m.
(FR) L'invention concerne une feuille de cuivre électrolytique ayant une résistivité de 1,68-1,72 μΩㆍcm et un diamètre de cristallite moyen inférieur à 0,41-0,80 µm.