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:
Apr. 05, 2016
Filed:
May. 02, 2012
Junichi Niwa, Kariya, JP;
Yuichi Hirakawa, Kariya, JP;
Manabu Miyoshi, Kariya, JP;
Keiichi Hayashi, Kariya, JP;
Hitotoshi Murase, Kariya, JP;
Junichi Niwa, Kariya, JP;
Yuichi Hirakawa, Kariya, JP;
Manabu Miyoshi, Kariya, JP;
Keiichi Hayashi, Kariya, JP;
Hitotoshi Murase, Kariya, JP;
KABUSHIKI KAISHA TOYOTA JIDOSHOKKI, Aichi, JP;
Abstract
To provide a lithium ion secondary battery electrode in which a coated layer is held on a surface of an active material layer over a long period of time to suppress decomposition of the electrolysis solution and to enhance the cyclability, a manufacturing process for the same, and a lithium ion secondary battery using the electrode. A lithium ion secondary battery electrode includes a current collector, an active material layer containing a binder formed on a surface of the current collector, and a coated layer formed on the surface of at least a part of the active material layer, wherein the coated layer contains a silicone-acrylic graft copolymer cured substance including an acrylic type main chain having a functional group and a side chain having a silicone graft-polymerized to the acrylic type main chain, and the coated layer is chemically bonded with the binder.