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:
Nov. 08, 2016
Filed:
Aug. 26, 2014
Applicant:
Asahi Glass Company, Limited, Chiyoda-ku, JP;
Inventors:
Assignee:
Asahi Glass Company, Limited, Chiyoda-ku, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/62 (2006.01); H01M 10/04 (2006.01); C08F 214/26 (2006.01); C08F 210/06 (2006.01); H01M 10/0566 (2010.01); H01M 10/052 (2010.01);
U.S. Cl.
CPC ...
H01M 4/623 (2013.01); C08F 210/06 (2013.01); C08F 214/265 (2013.01); H01M 10/0431 (2013.01); H01M 10/052 (2013.01); H01M 10/0566 (2013.01); H01M 2220/20 (2013.01); H01M 2220/30 (2013.01);
Abstract
To provide a binder for a storage battery device, whereby good adhesion in an electrode and flexibility are obtainable, and it is possible to realize good charge and discharge characteristics when used for a secondary battery. A binder for a storage battery device, which is made of a fluorinated copolymer comprising structural units (a) derived from tetrafluoroethylene and structural units (b) derived from propylene, wherein the molar ratio (a)/(b) is from 40/60 to 50/50, and the total of the structural units (a) and (b) is at least 90 mol % in all structural units.