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:
Jul. 03, 2018
Filed:
Oct. 11, 2011
Applicants:
Koji Takahata, Toyota, JP;
Machiko Abe, Toyota, JP;
Akihiro Ochiai, Moriguchi, JP;
Inventors:
Assignee:
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/62 (2006.01); B60L 11/18 (2006.01); H01M 4/02 (2006.01); H01M 4/36 (2006.01); H01M 10/0525 (2010.01); H01M 10/34 (2006.01);
U.S. Cl.
CPC ...
H01M 4/622 (2013.01); B60L 11/187 (2013.01); B60L 11/1862 (2013.01); B60L 11/1879 (2013.01); B60L 2240/545 (2013.01); B60L 2240/547 (2013.01); B60L 2240/549 (2013.01); H01M 4/02 (2013.01); H01M 4/362 (2013.01); H01M 10/0525 (2013.01); H01M 10/345 (2013.01); H01M 2220/20 (2013.01); Y02E 60/122 (2013.01); Y02E 60/124 (2013.01); Y02T 10/705 (2013.01); Y02T 10/7011 (2013.01); Y02T 10/7044 (2013.01);
Abstract
A nonaqueous secondary batteryA has a negative electrode sheetA in which a negative electrode active material layerA is held by a negative electrode current collectorA. Contained within the negative electrode active material layerA is a binderwhich includes a rubber-based binder or a resin having a binder function. The rubber-based binder or the resin having a binder function is abundantly present, within the negative electrode active material layerA, in a surface vicinity Aof the negative electrode active material layerA.