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:
Jul. 06, 2021

Filed:

Dec. 06, 2018
Applicant:

Samsung Sdi Co., Ltd., Yongin-si, KR;

Inventors:

Sol Choi, Yongin-si, KR;

Hyeri Eom, Yongin-si, KR;

Seungjae Lee, Yongin-si, KR;

Da-Un Han, Yongin-si, KR;

Assignee:

Samsung SDI Co., Ltd., Yongin-si, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 10/02 (2006.01); H01M 2/02 (2006.01); H01M 2/16 (2006.01); H01M 2/26 (2006.01); H01M 2/22 (2006.01); H01M 2/06 (2006.01); H01M 2/30 (2006.01); H01M 2/08 (2006.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 10/02 (2013.01); H01M 2/0207 (2013.01); H01M 2/0275 (2013.01); H01M 2/06 (2013.01); H01M 2/08 (2013.01); H01M 2/1673 (2013.01); H01M 2/22 (2013.01); H01M 2/26 (2013.01); H01M 2/30 (2013.01); H01M 2004/021 (2013.01);
Abstract

An electrode assembly and a rechargeable battery including the same are provided. An electrode assembly for a rechargeable battery includes: a first electrode including a first coating part and a first uncoated region at at least one side of the first coating part; a second electrode including a second coating part and a second uncoated region at at least one side of the second coating part; a separator between the first electrode and the second electrode; and at least one of a first stress buffering part on at least a partial region of the first uncoated region and a second stress buffering part on at least a partial region of the second uncoated region, the at least one of the first stress buffering part and the second stress buffering part being configured as a film including an ethylene propylene copolymer, a hydrogenated hydrocarbon polymer, and polyethylene.


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