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. 06, 2017
Filed:
Sep. 05, 2013
Applicant:
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi, JP;
Inventor:
Yozo Uchida, Toyota, JP;
Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA, Aichi-ken, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/64 (2006.01); H01M 4/13 (2010.01); H01M 4/139 (2010.01); H01M 4/62 (2006.01); H01M 10/0525 (2010.01);
U.S. Cl.
CPC ...
H01M 4/64 (2013.01); H01M 4/13 (2013.01); H01M 4/139 (2013.01); H01M 4/62 (2013.01); H01M 10/0525 (2013.01); H01M 2220/20 (2013.01); Y02E 60/122 (2013.01);
Abstract
A lithium-ion secondary battery has an electrode sheet having a current collecting foil formed thereon with a mixture layer containing powdered mixture particles. On the current collecting foil, there are provided a binder coated section on which a binder layer is formed having patterned markings; and a binder non-coated section on which a binder layer is not formed. The mixture particles contain at least an electrode active material and a binder. The mixture layer is formed on the binder coated section and the binder non-coated section.