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:
Feb. 28, 2017
Filed:
Aug. 19, 2010
Applicants:
Tomoyoshi Ueki, Toyota, JP;
Harunari Shimamura, Moriguchi, JP;
Yusuke Fukumoto, Moriguchi, JP;
Inventors:
Assignee:
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/00 (2006.01); H01M 4/62 (2006.01); H01M 2/16 (2006.01); H01M 4/13 (2010.01); H01M 10/0566 (2010.01); H01M 10/0587 (2010.01);
U.S. Cl.
CPC ...
H01M 4/626 (2013.01); H01M 2/1646 (2013.01); H01M 4/13 (2013.01); H01M 10/0566 (2013.01); H01M 10/0587 (2013.01); Y02E 60/122 (2013.01);
Abstract
A non-aqueous electrolyte secondary battery obtained by the present invention is a non-aqueous electrolyte secondary battery including an electrode body having a positive electrode sheet and a negative electrode sheetstacked via a separator sheet. A porous layerhaving filler particlesand a binder is formed between the separator sheetand at least one of the positive electrode sheet and the negative electrode sheet. The median value in the circularity distribution of the filler particlescontained in the porous layeris 0.85 to 0.97.