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1. WO2020111649 - CATHODE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING SAME

Publication Number WO/2020/111649
Publication Date 04.06.2020
International Application No. PCT/KR2019/015959
International Filing Date 20.11.2019
IPC
H01M 4/62 2006.01
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 10/42 2006.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
10Secondary cells; Manufacture thereof
42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
H01M 4/13 2010.01
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 10/052 2010.01
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 10/42
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
10Secondary cells; Manufacture thereof
42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
H01M 4/13
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
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
Applicants
  • 주식회사 엘지화학 LG CHEM, LTD. [KR]/[KR]
Inventors
  • 박준수 PARK, Jun Soo
  • 김경민 KIM, Kyung Min
  • 정범영 JUNG, Bum Young
Agents
  • 특허법인 태평양 BAE, KIM & LEE IP GROUP
Priority Data
10-2018-015227230.11.2018KR
Publication Language Korean (KO)
Filing Language Korean (KO)
Designated States
Title
(EN) CATHODE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING SAME
(FR) CATHODE POUR ACCUMULATEUR AU LITHIUM ET ACCUMULATEUR AU LITHIUM LA COMPRENANT
(KO) 리튬 이차전지용 양극 및 이를 포함하는 리튬 이차전지
Abstract
(EN)
The present invention relates to a cathode for a secondary battery and a lithium secondary battery including the cathode for a secondary battery, the cathode comprising a cathode active material layer formed on the surface of a cathode current collector, wherein: the cathode active material layer has a multilayer structure including a first cathode active material layer formed on the cathode current collector, and a second cathode active material layer formed on the first cathode active material layer; the first cathode active material layer comprises a cathode active material, a first binder, which is a melamine-based compound, and a second binder, which is different from the melamine-based compound; and the second cathode active material layer comprises a second cathode active material and a first binder, which is a melamine-based compound.
(FR)
La présente invention concerne une cathode pour accumulateur et un accumulateur au lithium comprenant la cathode pour accumulateur, la cathode comprenant une couche de substance active de cathode formée sur la surface d'un collecteur de courant de cathode, la couche de substance active de cathode ayant une structure multicouche comprenant une première couche de substance active de cathode formée sur le collecteur de courant de cathode et une seconde couche de substance active de cathode formée sur la première couche de substance active de cathode ; la première couche de substance active de cathode comprenant une substance active de cathode, un premier liant, qui est un composé à base de mélamine, et un second liant, qui est différent du composé à base de mélamine ; et la seconde couche de substance active de cathode comprenant une seconde substance active de cathode et un premier liant, qui est un composé à base de mélamine.
(KO)
본 발명은 양극 집전체의 표면에 형성된 양극 활물질층을 포함하는 양극으로서, 상기 양극 활물질층은 양극 집전체 상에 형성된 제1 양극 활물질층 및 상기 제1 양극 활물질층 상에 형성된 제2 양극 활물질층을 포함하는 다층 구조이고, 상기 제1 양극 활물질층은 양극 활물질, 멜라민계 화합물인 제1 바인더 및 상기 멜라민계 화합물과 상이한 제2 바인더를 포함하고, 상기 제2 양극 활물질층은 제2 양극 활물질 및 멜라민계 화합물인 제1 바인더를 포함하는 것인, 이차전지용 양극 및 상기 이차전지용 양극을 포함하는 리튬 이차전지에 관한 것입니다.
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