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:
Jun. 02, 2015
Filed:
Mar. 18, 2013
Applicant:
Tdk Corporation, Tokyo, JP;
Inventors:
Yasuyuki Kawanaka, Tokyo, JP;
Kazumasa Tanaka, Tokyo, JP;
Yasuhiro Ikeda, Tokyo, JP;
Atsushi Sano, Tokyo, JP;
Assignee:
TDK CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/38 (2006.01); H01M 2/16 (2006.01); H01M 4/134 (2010.01); H01M 10/0525 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/386 (2013.01); Y02E 60/122 (2013.01); Y02T 10/7011 (2013.01); H01M 2/1673 (2013.01); H01M 4/134 (2013.01); H01M 10/0525 (2013.01); H01M 2004/021 (2013.01);
Abstract
In the invention, a lithium-ion secondary battery, in which a value obtained by dividing average 3% modulus strength of a separator by average 3% modulus strength of a negative electrode including a negative electrode active material layer containing silicon and silicon oxide as a main component is 0.079 or less, is used.
Kawanaka, Yasuyuki. (2015). Lithium-ion secondary battery (U.S. Patent No. 9048491). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9048491
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile