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1. WO2020204407 - SECONDARY BATTERY BATTERY CASE AND POUCH-TYPE SECONDARY BATTERY

Publication Number WO/2020/204407
Publication Date 08.10.2020
International Application No. PCT/KR2020/003699
International Filing Date 18.03.2020
IPC
H01M 2/02 2006.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
2Constructional details, or processes of manufacture, of the non-active parts
02Cases, jackets or wrappings
Applicants
  • 주식회사 엘지화학 LG CHEM, LTD. [KR]/[KR]
Inventors
  • 이상균 LEE, Sang Kyun
  • 박민수 PARK, Min Soo
  • 김영하 KIM, Young Ha
  • 홍영훈 HONG, Young Hoon
  • 홍의진 HONG, Eui Jin
Agents
  • 특허법인 태평양 BAE, KIM & LEE IP
Priority Data
10-2019-003707529.03.2019KR
Publication Language Korean (KO)
Filing Language Korean (KO)
Designated States
Title
(EN) SECONDARY BATTERY BATTERY CASE AND POUCH-TYPE SECONDARY BATTERY
(FR) ÉLECTRODE POSITIVE DE BATTERIE SECONDAIRE ET BATTERIE SECONDAIRE DE TYPE POCHE
(KO) 이차 전지용 전지 케이스 및 파우치 형 이차 전지
Abstract
(EN)
A secondary battery case, according to one embodiment of the present invention, for resolving a problem, is a pouch-type battery case for accommodating, therein, an electrode assembly in which electrodes and separators are stacked, and the battery case comprises: a first cup portion and a second cup portion respectively formed to be recessed in a pouch film; a bridge which is formed between the first cup portion and the second cup portion and which has a certain width and height; and supplement portions respectively arranged on the outside of both ends in a lengthwise direction of the bridge, and formed to protrude upward.
(FR)
Un mode de réalisation de la présente invention concerne un boîtier de batterie secondaire, pour résoudre un problème, étant un boîtier de batterie de type poche pour recevoir, à l'intérieur de celui-ci, un ensemble d'électrodes dans lequel des électrodes et des séparateurs sont empilés, et le boîtier de batterie comprend : une première partie de coupelle et une seconde partie de coupelle respectivement formées pour être renfoncées dans un film de poche ; un pont qui est formé entre la première partie de coupelle et la seconde partie de coupelle et qui a une certaine largeur et une certaine hauteur ; et des parties de supplément disposées respectivement sur l'extérieur des deux extrémités dans une direction longitudinale du pont, et formées pour faire saillie vers le haut.
(KO)
상기 과제를 해결하기 위한 본 발명의 실시예에 따른 이차 전지용 전지 케이스는 전극 및 분리막이 적층된 전극 조립체를 내부에 수용하는 파우치 형 전지 케이스에 있어서, 파우치 필름에 각각 함몰 형성되는 제1 컵부 및 제2 컵부; 상기 제1 컵부 및 상기 제2 컵부 사이에 형성되며, 폭과 높이가 일정한 브릿지; 및 상기 브릿지의 길이 방향의 양 단 외측에 각각 배치되며, 상방을 향해 돌출 형성되는 보완부를 포함한다.
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