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:
Oct. 06, 2015
Filed:
Aug. 11, 2010
Shunsuke Saito, Fukushima, JP;
Ichiro Yamada, Fukushima, JP;
Atsumichi Kawashima, Fukushima, JP;
Tadahiko Kubota, Kanagawa, JP;
Shunsuke Saito, Fukushima, JP;
Ichiro Yamada, Fukushima, JP;
Atsumichi Kawashima, Fukushima, JP;
Tadahiko Kubota, Kanagawa, JP;
SONY CORPORATION, Tokyo, JP;
Abstract
A negative electrode includes: a negative electrode collector; and a negative electrode active material layer covering at least one principal plane of the negative electrode collector and containing at least a negative electrode active material, wherein the negative electrode active material contained in a region of up to at least 50% of a thickness from the surface of the negative electrode active material layer is covered with a solid electrolyte interface coating, and the solid electrolyte interface coating contains a product with a crosslinked isocyanate group in an isocyanate compound.