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:
Jun. 02, 2020

Filed:

Dec. 26, 2016
Applicant:

Lg Chem, Ltd., Seoul, KR;

Inventors:

Min-A Park, Daejeon, KR;

Dae-Hong Kim, Daejeon, KR;

Jae-Kyung Kim, Daejeon, KR;

Won-Hee Jeong, Daejeon, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/36 (2006.01); H01M 4/485 (2010.01); H01M 4/48 (2010.01); H01G 11/28 (2013.01); H01G 11/46 (2013.01); H01G 11/04 (2013.01); H01M 4/131 (2010.01); H01M 10/0525 (2010.01); H01M 10/052 (2010.01); H01M 4/62 (2006.01); C01F 7/02 (2006.01); C01G 23/00 (2006.01); H01G 11/52 (2013.01); H01G 11/86 (2013.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/366 (2013.01); C01F 7/02 (2013.01); C01G 23/005 (2013.01); H01G 11/04 (2013.01); H01G 11/28 (2013.01); H01G 11/46 (2013.01); H01G 11/52 (2013.01); H01G 11/86 (2013.01); H01M 4/131 (2013.01); H01M 4/483 (2013.01); H01M 4/485 (2013.01); H01M 4/628 (2013.01); H01M 10/052 (2013.01); H01M 10/0525 (2013.01); C01P 2004/84 (2013.01); C01P 2006/40 (2013.01); H01M 2004/021 (2013.01); H01M 2004/027 (2013.01);
Abstract

The present disclosure relates to a negative electrode active material having excellent output characteristics and causing little gas generation, and an electrode including the negative electrode active material. The negative electrode active material includes metal oxide-lithium titanium oxide (MO-LTO) composite particles which have a shape of secondary particles formed by aggregation of primary particles, wherein the primary particles have a core-shell structure including a core and a shell totally or at least partially covering the surface of the core, the core includes primary particles of lithium titanium oxide (LTO), and the shell includes a metal oxide.


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