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1. WO2022092615 - SECONDARY BATTERY HAVING CONDUCTIVE LAYER FORMED ON INNER SURFACE OF BATTERY CASE

Publication Number WO/2022/092615
Publication Date 05.05.2022
International Application No. PCT/KR2021/013895
International Filing Date 08.10.2021
IPC
H01M 50/124 2021.1
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
50Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
10Primary casings, jackets or wrappings of a single cell or a single battery
116characterised by the material
124having a layered structure
H01M 50/116 2021.1
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
50Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
10Primary casings, jackets or wrappings of a single cell or a single battery
116characterised by the material
H01M 50/109 2021.1
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
50Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
10Primary casings, jackets or wrappings of a single cell or a single battery
102characterised by their shape or physical structure
109of button or coin shape
H01M 50/153 2021.1
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
50Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
10Primary casings, jackets or wrappings of a single cell or a single battery
147Lids or covers
148characterised by their shape
153for button or coin cells
H01M 50/166 2021.1
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
50Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
10Primary casings, jackets or wrappings of a single cell or a single battery
147Lids or covers
166characterised by the methods of assembling casings with lids
H01M 50/572 2021.1
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
50Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
50Current conducting connections for cells or batteries
572Means for preventing undesired use or discharge
Applicants
  • 주식회사 엘지에너지솔루션 LG ENERGY SOLUTION, LTD. [KR]/[KR]
Inventors
  • 윤현웅 YUN, Hyunwoong
  • 강성중 KANG, Sungjoong
Agents
  • 유미특허법인 YOU ME PATENT AND LAW FIRM
Priority Data
10-2020-014034827.10.2020KR
10-2020-014060727.10.2020KR
Publication Language Korean (ko)
Filing Language Korean (KO)
Designated States
Title
(EN) SECONDARY BATTERY HAVING CONDUCTIVE LAYER FORMED ON INNER SURFACE OF BATTERY CASE
(FR) BATTERIE SECONDAIRE AYANT UNE COUCHE CONDUCTRICE FORMÉE SUR LA SURFACE INTERNE D'UN BOÎTIER DE BATTERIE
(KO) 전도성층이 전지케이스의 내면에 형성되어 있는 이차전지
Abstract
(EN) The present invention provides a secondary battery in which an electrode assembly comprising a cathode, a separator, and an anode are accommodated together with an electrolyte in a battery case, wherein the battery case is made of metal, and has a conductive layer which comprises at least one selected from the group consisting of a conductive carbon layer, a conductive polymer layer, and a conductive epoxy layer and which is formed on a part or all of the inner surface of the battery case that is in contact with the electrolyte.
(FR) La présente invention concerne une batterie secondaire dans laquelle un ensemble électrode comprenant une cathode, un séparateur et une anode est logé conjointement avec un électrolyte dans un boîtier de batterie, le boîtier de batterie étant constitué de métal et comportant une couche conductrice qui comprend au moins un élément choisi dans le groupe constitué par une couche de carbone conductrice, une couche polymère conductrice et une couche époxy conductrice et qui est formée sur une partie ou la totalité de la surface interne du boîtier de batterie qui est en contact avec l'électrolyte.
(KO) 본 발명은, 양극, 분리막, 및 음극을 포함하는 전극조립체가 전해액과 함께 전지케이스에 수납되어 있는 이차전지로서, 상기 전지케이스는 금속으로 이루어져 있고, 상기 전지케이스가 전해액과 접촉하는 내면의 일부 또는 전부에는 전도성 탄소층, 전도성 고분자층, 및 전도성 에폭시층으로 이루어진 군에서 선택되는 1종으로 이루어진 전도성층이 형성되어 있는 이차전지를 제공한다.
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