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:
Mar. 17, 2015
Filed:
Nov. 09, 2005
Hideki Nakai, Fukushima, JP;
Akinori Kita, Fukushima, JP;
Atsumichi Kawashima, Fukushima, JP;
Tadahiko Kubota, Kanagawa, JP;
Hideki Nakai, Fukushima, JP;
Akinori Kita, Fukushima, JP;
Atsumichi Kawashima, Fukushima, JP;
Tadahiko Kubota, Kanagawa, JP;
Sony Corporation, Tokyo, JP;
Abstract
An anode and a battery capable of improving battery characteristics such as cycle characteristics are provided. A coating containing at least one from the group consisting of oligomers having a polyene structure and derivatives thereof is provided on the surface of an anode active material layer. The anode active material layer contains a substance containing Si or Sn as an element as an anode active material. By the coating, oxidation of the anode active material layer is inhibited, and decomposition reaction of the electrolytic solution is inhibited.