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1. WO2022164090 - FREE STANDING FILM FOR DRY ELECTRODE, MANUFACTURING METHOD THEREOF, DRY ELECTRODE COMPRISING SAME, AND SECONDARY BATTERY

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Publication Number WO/2022/164090
Publication Date 04.08.2022
International Application No. PCT/KR2022/000598
International Filing Date 13.01.2022
IPC
H01M 4/13 2010.1
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
13Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
H01M 4/62 2006.1
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
62Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
H01M 4/139 2010.1
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
13Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
139Processes of manufacture
H01M 4/04 2006.1
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
04Processes of manufacture in general
H01M 4/66 2006.1
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 10/052 2010.1
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 10/0568
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
056characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
0564the electrolyte being constituted of organic materials only
0566Liquid materials
0568characterised by the solutes
H01M 10/0569
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
056characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
0564the electrolyte being constituted of organic materials only
0566Liquid materials
0569characterised by the solvents
H01M 2004/021
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
021Physical characteristics, e.g. porosity, surface area
H01M 2004/028
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
028Positive electrodes
H01M 2300/0037
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
2300Electrolytes
0017Non-aqueous electrolytes
0025Organic electrolyte
0028characterised by the solvent
0037Mixture of solvents
Applicants
  • 주식회사 엘지에너지솔루션 LG ENERGY SOLUTION, LTD. [KR]/[KR]
Inventors
  • 김태곤 KIM, Taegon
  • 김정길 KIM, Jeonggil
  • 김명수 KIM, Myeongsoo
Agents
  • 유미특허법인 YOU ME PATENT AND LAW FIRM
Priority Data
10-2021-001177427.01.2021KR
10-2022-000342010.01.2022KR
Publication Language Korean (ko)
Filing Language Korean (KO)
Designated States
Title
(EN) FREE STANDING FILM FOR DRY ELECTRODE, MANUFACTURING METHOD THEREOF, DRY ELECTRODE COMPRISING SAME, AND SECONDARY BATTERY
(FR) FILM AUTONOME POUR ÉLECTRODE SÈCHE, SON PROCÉDÉ DE FABRICATION, ÉLECTRODE SÈCHE LE COMPRENANT, ET BATTERIE SECONDAIRE
(KO) 건식 전극용 프리 스탠딩 필름, 이의 제조방법, 및 이를 포함하는 건식 전극, 및 이차전지
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Abstract
(EN) Provided are a free standing film, a manufacturing method thereof, a dry electrode comprising same, and a secondary battery. The free standing film for a dry electrode according to an embodiment of the present invention comprises: an active material; a binder comprising fiberized polymer; and a carrier, wherein the carrier is oxidized vapor grown carbon fibers (Ox-VGCF).
(FR) L'invention concerne un film autonome, son procédé de fabrication, une électrode sèche le comprenant, et une batterie secondaire. Le film autonome pour une électrode sèche selon un mode de réalisation de la présente invention comprend : un matériau actif ; un liant comprenant un polymère fibré ; et un support, le support étant des fibres de carbone cultivées en phase vapeur, oxydées (Ox-VGCF).
(KO) 본 발명의 일 실시예에 따르면, 건식 전극용 프리 스탠딩 필름으로서, 상기 프리 스탠딩 필름은, 활물질, 섬유화 폴리머를 포함하는 바인더, 및 담지체를 포함하고, 상기 담지체는, 표면 산화 처리된 카본 섬유(Oxidized Vapour Grown Carbon Fibres, Ox-VGCF)인 프리 스탠딩 필름, 이의 제조방법, 이를 포함하는 건식 전극 및 이차전지를 제공한다.
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