Title:
SEPARATOR HAVING A COATING LAYER OF LITHIUM-CONTAINING COMPOSITE, LITHIUM SECONDARY BATTERY COMPRISING SAME, AND METHOD FOR MANUFACTURING SAME SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2019/182364
Kind Code:
A1
Abstract:
The present invention relates to a separator, a lithium secondary battery comprising same, and a method for manufacturing the lithium secondary battery. The separator comprises: a porous polymer substrate having a plurality of pores; and a coating layer of a lithium-containing composite formed on at least one surface of the porous polymer substrate and including a plurality of lithium-containing composites and a binder which is located on at least a part of the surface of the lithium-containing composite to connect and fix the lithium-containing composites, wherein the lithium-containing composite has a lithium-containing compound and a passivation film formed on the surface of the lithium-containing compound, wherein the passivation film has a solid electrolyte interface (SEI).
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Inventors:
CHAE OH-BYONG (KR)
WOO SANG-WOOK (KR)
KIM JE-YOUNG (KR)
WOO SANG-WOOK (KR)
KIM JE-YOUNG (KR)
Application Number:
PCT/KR2019/003270
Publication Date:
September 26, 2019
Filing Date:
March 20, 2019
Export Citation:
Assignee:
LG CHEMICAL LTD (KR)
International Classes:
H01M10/0525; H01M10/42; H01M50/403; H01M50/449
Foreign References:
| JP5256660B2 | 2013-08-07 | |||
| KR20170106999A | 2017-09-22 | |||
| KR20170104461A | 2017-09-15 | |||
| JP6005757B2 | 2016-10-12 | |||
| JP5207883B2 | 2013-06-12 | |||
| KR20180032220A | 2018-03-29 |
Other References:
See also references of EP 3678221A4
Attorney, Agent or Firm:
PHIL & ONZI INT'L PATENT & LAW FIRM (KR)
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