Separator electrode assembly cylindrical battery cell and battery pack and vehicle including the same

Disclosed is a separator including: a porous polymer substrate; and a porous coating layer formed on at least one side of the porous polymer substrate and including a binder polymer and inorganic particles, wherein insulating coating layers are provided on both ends of the outermost transverse direc...

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Bibliographic Details
Main Authors LEE MYUNG AN, RYU DUK HYUN, WOO JAE YOUNG, KIM SUE JIN
Format Patent
LanguageEnglish
Korean
Published 22.05.2023
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Summary:Disclosed is a separator including: a porous polymer substrate; and a porous coating layer formed on at least one side of the porous polymer substrate and including a binder polymer and inorganic particles, wherein insulating coating layers are provided on both ends of the outermost transverse direction (TD) of the separator, respectively and the insulating coating layers have a porous structure including a filler for the insulating coating layers and a binder for the insulating coating layers. 분리막으로서, 상기 분리막은 다공성 고분자 기재; 및 상기 다공성 고분자 기재의 적어도 일면에 형성되며, 바인더 고분자 및 무기물 입자를 포함하는 다공성 코팅층;을 포함하며, 상기 분리막의 최외측의 횡방향(TD, Transverse Direction) 양 단부에 절연코팅층을 각각 구비하고, 상기 절연코팅층이 절연코팅층용 필러 및 절연코팅층용 바인더를 포함하는 다공성 구조를 갖는 것을 특징으로 하는 분리막이 제시된다.
Bibliography:Application Number: KR20220152101