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:
Nov. 22, 2022

Filed:

Apr. 30, 2020
Applicant:

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

Inventors:

Jaehwan Ha, YongĂ­n-si, KR;

Kijun Kim, Yongin-si, KR;

Heeeun Yoo, Yongin-si, KR;

Yeonhee Yoon, Yongin-si, KR;

Kyuseo Lee, Yongin-si, KR;

Dongmyung Lee, Yongin-si, KR;

Assignee:

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

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/00 (2006.01); H01M 10/0569 (2010.01); H01M 4/131 (2010.01); H01M 4/36 (2006.01); H01M 4/505 (2010.01); H01M 4/525 (2010.01); H01M 4/62 (2006.01); H01M 10/0525 (2010.01); H01M 10/0567 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 10/0569 (2013.01); H01M 4/131 (2013.01); H01M 4/366 (2013.01); H01M 4/505 (2013.01); H01M 4/525 (2013.01); H01M 4/621 (2013.01); H01M 10/0525 (2013.01); H01M 10/0567 (2013.01); H01M 2004/021 (2013.01); H01M 2004/027 (2013.01); H01M 2004/028 (2013.01);
Abstract

Rechargeable lithium battery includes a negative electrode including a negative active material layer and a negative electrode functional layer disposed on the negative active material layer; a positive electrode including a positive active material; an electrolyte solution, wherein the negative electrode functional layer includes flake-shaped polyethylene particles, the electrolyte solution includes a lithium salt and a non-aqueous organic solvent, and the non-aqueous organic solvent includes about 60 volume % to about 80 volume % of a propionate-based solvent and about 20 volume % to about 40 volume % of a carbonate-based solvent.


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