ELECTRODE COMPOSITE FILM, AND ELECTROCHEMICAL DEVICE INCLUDING SAME

WIPO Patent Application WO/2023/239203

A1

The present invention relates to an electrode composite film, and an electrochemical device including same. The electrode composite film of the present invention is characterized by a structure comprising: an electrode plate including an electrode part and a reinforcing material part; an electrolyte film disposed on one surface of the electrode plate; a support disposed on the other surface of the electrode plate; and an adhesive part disposed on at least a portion of facing parts of the electrode plate and the support, wherein the electrode part includes a current collector and an active material layer disposed on the current collector, the electrolyte film is in contact with at least a portion of the active material layer and in close contact with the electrode part and the reinforcing material part without any separation, and the reinforcing material part has a thickness equal to or smaller than the thickness of the electrode part, is disposed so as to surround the entirety or at least a portion of the circumference of the side part of the electrode part, and is in surface contact with the side part of the electrode part without any separation.

LEE JAE-GIL (KR)
KIM JI-YOUNG (KR)
JANG DAE-SUNG (KR)
HWANG SUN-WOO (KR)

PCT/KR2023/007952

December 14, 2023

June 09, 2023

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LG ENERGY SOLUTION LTD (KR)

H01M4/13; H01M10/052; H01M10/0562; H01M10/0585

JP2005243622A	2005-09-08
JPH05242897A	1993-09-21
KR20210062444A	2021-05-31
JP2013258097A	2013-12-26
KR20140031148A	2014-03-12
KR20220071071A	2022-05-31

PHIL & ONZI INT'L PATENT & LAW FIRM (KR)

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