ELECTRODE ASSEMBLY COMPRISING ADHESIVE PORTION AND ELECTRODE LEAD COUPLING PORTION COUPLED BY SPOT WELDING, AND POUCH-TYPE BATTERY CELL INCLUDING SAME

Title:

ELECTRODE ASSEMBLY COMPRISING ADHESIVE PORTION AND ELECTRODE LEAD COUPLING PORTION COUPLED BY SPOT WELDING, AND POUCH-TYPE BATTERY CELL INCLUDING SAME

Document Type and Number:

WIPO Patent Application WO/2021/162288

Kind Code:

A1

Abstract:

The present invention relates to an electrode assembly in which: a plurality of electrodes are stacked with a separator interposed therebetween; electrode tabs protruding from the electrodes are combined with an electrode lead in a state in which a bundle of the electrode tabs is formed; the electrode lead includes a first electrode lead coupled to the electrode tabs and a second electrode lead coupled to the first electrode lead; and an electrode lead coupling portion to which the first electrode lead and the second electrode lead are coupled includes an adhesive portion and a spot welding portion.

Inventors:

PARK JONG PIL (KR)

Application Number:

PCT/KR2021/001111

Publication Date:

August 19, 2021

Filing Date:

January 27, 2021

Export Citation:

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Assignee:

LG ENERGY SOLUTION LTD (KR)

International Classes:

H01M50/543; B23K11/11; H01M10/48; H01M50/116; H01M50/172; H01M50/183; H01M50/531; H01M50/54; H01M50/557; B23K101/38

Foreign References:

KR20110048470A	2011-05-11
KR20170126108A	2017-11-17
KR20180090099A	2018-08-10
KR20090032273A	2009-04-01
JP2014060143A	2014-04-03
KR20200015596A	2020-02-12
KR20180119106A	2018-11-01
KR20190083413A	2019-07-12
KR20190027615A	2019-03-15

Other References: