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Patent Searching and Data


Title:
LITHIUM SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2021/141391
Kind Code:
A1
Abstract:
Provided is a lithium secondary battery comprising: a cathode comprising a cathode active material; an anode comprising an anode active material; and a first functional layer between the cathode and the anode, wherein the first functional layer comprises plate-like polyolefin particles having an average diameter of 1-8 μm, and the cathode comprises a cathode active material layer comprising a cathode active material and a flame retardant, or has a layered structure comprising a cathode active material layer and a second functional layer, which comprises a flame retardant.

Inventors:
LEE JUNGMIN (KR)
KIM MINJAE (KR)
OH SEUNGHYUN (KR)
YOO HEEEUN (KR)
LEE KUKJOO (KR)
Application Number:
PCT/KR2021/000158
Publication Date:
July 15, 2021
Filing Date:
January 07, 2021
Export Citation:
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Assignee:
SAMSUNG SDI CO LTD (KR)
International Classes:
H01M10/42; H01M4/131; H01M4/136; H01M4/62; H01M4/66; H01M10/052; H01M10/058; H01M50/449
Foreign References:
KR101105748B12012-01-17
KR20140074282A2014-06-17
JP5809889B22015-11-11
KR20160011531A2016-02-01
CN110168774A2019-08-23
Attorney, Agent or Firm:
PANKOREA PATENT AND LAW FIRM (KR)
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