logo

For the Inventor, By the Inventor

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.

Patent No.:

US 12609297 B1

PDFFull Text
Date of Patent:
Apr. 21, 2026

Filed:

Aug. 15, 2022

Lithium battery

Applicant:

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

Inventors:

Sunjoo Choi, Yongin-si, KR;

Yunhee Kim, Yongin-si, KR;

Sujeong Koh, Yongin-si, KR;

Seungtae Lee, Yongin-si, KR;

Siyoung Cha, Yongin-si, KR;

Miyoung Son, Yongin-si, KR;

Minju Lee, Yongin-si, KR;

Myungheui Woo, Yongin-si, KR;

Jinhyeok Lim, Yongin-si, KR;

Jinah Seo, Yongin-si, KR;

Harim Lee, Yongin-si, KR;

Erang Cho, Yongin-si, KR;

Assignee:

SAMSUNG SDI CO., LTD., Yongin-si, KR;

Attorney:

Lee IP Law, P.C.

Primary Examiner:

Laura Weiner

Int. Cl.
CPC ...
H01M 4/36 (2006.01); H01M 4/131 (2010.01); H01M 4/505 (2010.01); H01M 4/525 (2010.01); H01M 10/0525 (2010.01); H01M 10/0567 (2010.01); H01M 10/0568 (2010.01); C07D 327/10 (2006.01); H01M 4/02 (2006.01); H01M 10/052 (2010.01);
U.S. Cl.
CPC ...
H01M 4/364 (2013.01); H01M 4/131 (2013.01); H01M 4/505 (2013.01); H01M 4/525 (2013.01); H01M 10/0525 (2013.01); H01M 10/0567 (2013.01); H01M 10/0568 (2013.01); C07D 327/10 (2013.01); H01M 2004/021 (2013.01); H01M 2004/028 (2013.01); H01M 10/052 (2013.01); H01M 2300/0025 (2013.01);
Abstract

A lithium battery includes a cathode including a cathode active material; an anode including an anode active material; and an organic electrolytic solution between the cathode and the anode, wherein the cathode active material includes a first lithium transition metal oxide and a second lithium transition metal oxide, the first lithium transition metal oxide and the second lithium transition metal oxide have different particle diameters, the second lithium transition metal oxide includes primary particles having a particle diameter of about 1 μm or more, and the organic electrolytic solution includes a first lithium salt, an organic solvent, and a bicyclic sulfate-based compound represented by Formula 1 below:

Find Patent Forward Citations

Loading…