Separator for lithium secondary battery and lithium secondary battery comprising same

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12237536
APP PUB NO 20220029244A1
SERIAL NO

17296516

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Abstract

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The present invention relates to a separator for a lithium secondary battery, and a lithium secondary battery including same. The separator includes a porous substrate, and a coating layer on at least one surface of the porous substrate, wherein the coating layer includes a heat-resistant binder including a (meth)acrylic copolymer including a first structural unit derived from (meth)acrylamide, and a second structural unit including at least one of a structural unit derived from (meth)acrylic acid or (meth)acrylate, and a structural unit derived from (meth)acrylamidosulfonic acid or a salt; an adhesive binder having a core-shell structure; and inorganic particles, wherein the adhesive binder has an average particle diameter of 0.2 μm to 1.0 μm, and the inorganic particles have an average particle diameter of 0.2 μm to 1.0 μm.

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Patent Owner(s)

Patent OwnerAddress
SAMSUNG SDI CO LTDSOUTH KOREA GYEONGGI DO YONGIN YONGIN GYEONGGI-DO

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Choi, Yeonjoo Yongin-si, KR 21 68
Kim, Gain Yongin-si, KR 23 73
Kim, Yangseob Yongin-si, KR 21 54
Kim, Yongkyoung Yongin-si, KR 31 137
Lee, Jungyoon Yongin-si, KR 24 60

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