Title:
ELECTRODE ASSEMBLY WITH INSULATION FILM FORMED ON TAB, MANUFACTURING METHOD THEREOF, AND LITHIUM SECONDARY BATTERY COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2021/172774
Kind Code:
A1
Abstract:
The present invention relates to an electrode assembly comprising an electrode, a separator, and a counter electrode for a lithium secondary battery, a manufacturing method thereof, and a lithium secondary battery comprising same, wherein: the electrode has a structure in which an electrode active material layer is formed on an electrode current collector comprising an electrode current collection substrate and a tab extending from the electrode current collection substrate; the tab has an insulation film formed on a part or entirety of at least one surface thereof; and the insulation film is an organic-inorganic composite film comprising an inorganic particle and a binder polymer.
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Inventors:
YUN HYUNWOONG (KR)
HAH HOEJIN (KR)
HAH HOEJIN (KR)
Application Number:
PCT/KR2021/001228
Publication Date:
September 02, 2021
Filing Date:
January 29, 2021
Export Citation:
Assignee:
LG ENERGY SOLUTION LTD (KR)
International Classes:
H01M50/572; H01M10/052; H01M10/0585; H01M50/446; H01M50/449; H01M50/531
Foreign References:
| JP2016189300A | 2016-11-04 | |||
| KR101827431B1 | 2018-02-08 | |||
| KR102018849B1 | 2019-09-05 | |||
| KR100985261B1 | 2010-10-04 | |||
| EP3407417A1 | 2018-11-28 | |||
| KR20090018123A | 2009-02-19 |
Other References:
See also references of EP 3996196A4
Attorney, Agent or Firm:
YOU ME PATENT AND LAW FIRM (KR)
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