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.:
Date of Patent:
Dec. 29, 2020
Filed:
Sep. 25, 2017
Applicant:
Tdk Corporation, Tokyo, JP;
Inventors:
Assignee:
TDK CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/13 (2010.01); H01M 10/0562 (2010.01); H01M 10/0525 (2010.01); H01M 4/525 (2010.01); H01M 4/505 (2010.01); H01B 1/06 (2006.01); H01M 10/052 (2010.01); H01B 1/08 (2006.01); H01M 4/58 (2010.01); H01M 4/36 (2006.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 10/0562 (2013.01); H01B 1/06 (2013.01); H01B 1/08 (2013.01); H01M 4/36 (2013.01); H01M 4/505 (2013.01); H01M 4/525 (2013.01); H01M 4/58 (2013.01); H01M 10/052 (2013.01); H01M 10/0525 (2013.01); H01M 2004/021 (2013.01);
Abstract
An active material according to one aspect of the present invention includes a core region; and a shell region, in which an amount of transition metals in the core region is more than an amount of transition metals in the shell region, and an amount of oxygen deficiency in the shell region is more than an amount of oxygen deficiency in the core region.