SECONDARY BATTERY

A secondary battery according to an embodiment of the present invention comprises: an electrode assembly which has an electrode lead attached thereto; a case in which the electrode assembly is accommodated; a sealing part which is formed to seal the electrode assembly in the case; and a lead film wh...

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Bibliographic Details
Main Authors LIM, Hun-Hee, KANG, Gyung-Soo, LEE, Jae-Ho
Format Patent
LanguageEnglish
French
Korean
Published 06.04.2023
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Summary:A secondary battery according to an embodiment of the present invention comprises: an electrode assembly which has an electrode lead attached thereto; a case in which the electrode assembly is accommodated; a sealing part which is formed to seal the electrode assembly in the case; and a lead film which covers at least a part of the outer surface of the electrode lead and is interposed between the electrode lead and the sealing part, wherein in the lead film, at least a partial area of the edge portion facing the electrode assembly has a non-flat shape. Une batterie secondaire selon un mode de réalisation de la présente invention comprend : un ensemble électrode qui a un fil d'électrode fixé à celui-ci ; un boîtier dans lequel l'ensemble électrode est logé ; une partie d'étanchéité qui est formée pour sceller l'ensemble électrode dans le boîtier ; et un film conducteur qui recouvre au moins une partie de la surface extérieure du fil d'électrode et est intercalé entre le fil d'électrode et la partie d'étanchéité, dans le film conducteur, au moins une zone partielle de la partie de bord faisant face à l'ensemble électrode a une forme non plate. 본 발명의 일 실시예에 따른 이차전지는, 전극 리드가 부착된 전극 조립체; 상기 전극 조립체를 수납하는 케이스; 상기 케이스에 전극 조립체를 밀봉하기 위해 형성된 실링부; 및 상기 전극 리드의 외면의 일부를 감싸고, 상기 전극 리드와 상기 실링부 사이에 개재된 리드 필름; 을 포함하고, 상기 리드 필름에 있어서, 상기 전극 조립체와 대면하는 엣지부의 적어도 일부 영역은 플랫하지 않은 형태를 갖는다.
Bibliography:Application Number: WO2022KR13824