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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 9567238 B1

PDFFull Text
Expired
Date of Patent:
Feb. 14, 2017

Filed:

Apr. 22, 2015

Negative electrode active material for lithium ion secondary battery, negative electrode for lithium ion secondary battery, and lithium ion secondary battery

Applicant:

Tdk Corporation, Tokyo, JP;

Inventors:

Yasuyuki Kawanaka, Tokyo, JP;

Tomohiko Kato, Tokyo, JP;

Atsushi Sano, Tokyo, JP;

Assignee:

TDK CORPORATION, Tokyo, JP;

Attorney:

Oliff PLC

Primary Examiner:

Brittany Raymond

Int. Cl.
CPC ...
H01M 4/48 (2010.01); H01M 10/052 (2010.01); C01G 49/06 (2006.01); H01M 2/16 (2006.01); H01M 4/04 (2006.01); H01M 4/131 (2010.01); H01M 4/1391 (2010.01); H01M 4/525 (2010.01); H01M 4/02 (2006.01); H01M 4/62 (2006.01); H01M 10/0525 (2010.01); H01M 10/0568 (2010.01); H01M 10/0569 (2010.01);
U.S. Cl.
CPC ...
C01G 49/06 (2013.01); H01M 2/16 (2013.01); H01M 4/0404 (2013.01); H01M 4/0471 (2013.01); H01M 4/131 (2013.01); H01M 4/1391 (2013.01); H01M 4/525 (2013.01); C01P 2004/04 (2013.01); C01P 2004/45 (2013.01); C01P 2006/40 (2013.01); H01M 4/622 (2013.01); H01M 4/625 (2013.01); H01M 10/052 (2013.01); H01M 10/0525 (2013.01); H01M 10/0568 (2013.01); H01M 10/0569 (2013.01); H01M 2004/021 (2013.01); H01M 2004/027 (2013.01); Y02E 60/122 (2013.01);
Abstract

A negative electrode active material for a lithium ion secondary battery includes secondary particles formed by primary particles containing iron oxide that are linked in a chain.

Find Patent Forward Citations

Kawanaka, Yasuyuki. (2017). Negative electrode active material for lithium ion secondary battery, negative electrode for lithium ion secondary battery, and lithium ion secondary battery (U.S. Patent No. 9567238). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9567238

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