The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Apr. 23, 2024

Filed:

Nov. 27, 2019
Applicant:

Lg Chem, Ltd., Seoul, KR;

Inventors:

Kwan Bo Lee, Daejeon, KR;

Chang Bum Ahn, Daejeon, KR;

Seung Ho Na, Daejeon, KR;

Su Ho Lee, Daejeon, KR;

Hak Soo Lee, Daejeon, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 50/46 (2021.01); H01M 10/04 (2006.01); H01M 50/414 (2021.01); H01M 50/466 (2021.01); H01M 50/474 (2021.01);
U.S. Cl.
CPC ...
H01M 50/461 (2021.01); H01M 10/0413 (2013.01); H01M 10/0459 (2013.01); H01M 10/0468 (2013.01); H01M 50/414 (2021.01); H01M 50/466 (2021.01); H01M 50/474 (2021.01);
Abstract

An electrode assembly includes a radical unit in which electrodes and separators are alternately stacked, the radical unit having a structure in which one electrode is stacked at the uppermost end. An auxiliary unit is provided with a separation sheet disposed at the uppermost end side of the radical unit. The separation sheet includes a separation part disposed at the uppermost end side of the radical unit and a side surface protection part connected to each of side surfaces of the separation part and folded to contact a side portion of the radical unit to cover the side portion of the radical unit.


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