INSULATION TAPE JELLY ROLL SECONDARY BATTERY BATTERY PACK AND VEHICLE

The present invention provides a jelly roll, a secondary battery including the same, a battery module, and a battery pack, wherein the jelly roll includes: an electrode assembly having a structure in which a first electrode, a separator, and a second electrode are stacked and wound; and an insulatin...

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Bibliographic Details
Main Authors RYU DUK HYUN, WON JIN HYEOK
Format Patent
LanguageEnglish
Korean
Published 26.05.2023
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Summary:The present invention provides a jelly roll, a secondary battery including the same, a battery module, and a battery pack, wherein the jelly roll includes: an electrode assembly having a structure in which a first electrode, a separator, and a second electrode are stacked and wound; and an insulating tape provided to cover at least a part of the side of the electrode assembly and at least a part of an end of the electrode assembly, and the insulating tape has at least one notching pattern provided in an area covering at least a part of an end of the electrode assembly. 본 발명은 제1 전극, 분리막 및 제2 전극이 적층되어 권취된 구조를 갖는 전극 조립체; 및 상기 전극 조립체의 측면 중 적어도 일부와 상기 전극 조립체의 단부의 적어도 일부를 덮도록 구비된 절연테이프를 포함하고, 상기 절연테이프는 상기 전극 조립체의 단부의 적어도 일부를 덮는 영역에 구비된 적어도 하나의 노칭 패턴을 갖는 것인 젤리롤 및 이를 포함하는 이차 전지, 전지 모듈 및 배터리 팩을 제공한다.
Bibliography:Application Number: KR20220155396