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:
May. 06, 2014
Filed:
Aug. 16, 2007
Hisashi Suzuki, Tokyo, JP;
Masato Kurihara, Tokyo, JP;
Yoshitomo Tanaka, Tokyo, JP;
Hiroshi Chihara, Tokyo, JP;
Yoshinori Fujikawa, Tokyo, JP;
Hisashi Suzuki, Tokyo, JP;
Masato Kurihara, Tokyo, JP;
Yoshitomo Tanaka, Tokyo, JP;
Hiroshi Chihara, Tokyo, JP;
Yoshinori Fujikawa, Tokyo, JP;
TDK Corporation, Tokyo, JP;
Abstract
An active material with a sufficient cycle characteristic and a process for its production are provided. According to the process for production of an active material of this invention, an aqueous solution containing a metal fluorocomplex is contacted with a metal oxide to form a surface-modified layer on the surface of the metal oxide. The active material of the invention comprises a core section made of a metal oxide and a surface-modified layer covering the core section, wherein the surface-modified layer is an oxide containing a metal present in the core section and a metal not present in the core section.