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:
Jan. 06, 2015
Filed:
Aug. 27, 2008
Applicant:
Junichi Tadano, Fukushima, JP;
Inventor:
Junichi Tadano, Fukushima, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/13 (2010.01); H01M 2/34 (2006.01); H01M 4/139 (2010.01); H01M 4/62 (2006.01); H01M 10/058 (2010.01);
U.S. Cl.
CPC ...
H01M 4/13 (2013.01); H01M 2/34 (2013.01); H01M 4/139 (2013.01); H01M 4/62 (2013.01); H01M 10/058 (2013.01); H01M 2200/00 (2013.01); Y02E 60/122 (2013.01);
Abstract
A non-aqueous electrolyte secondary battery includes a positive electrode, a negative electrode, an electrolyte, and a porous protective film formed on either one or both surfaces of the positive and negative electrodes. The porous protective film includes a binder, fine particles, and a surfactant.