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:
Aug. 12, 2014
Filed:
Sep. 07, 2012
Applicants:
Kazuki Takimoto, Tokyo, JP;
Hideo Yanagita, Tokyo, JP;
Tsutomu Kikuchi, Tokyo, JP;
Inventors:
Assignees:
Fuji Jukogyo Kabushiki Kaisha, Tokyo, JP;
Nippon Chemical Industrial Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A positive-electrode material includes lithium vanadium phosphate particles having an average primary particle diameter from 0.3 μm to 2.6 μm and crystallite sizes from 24 nm to 33 nm. The lithium vanadium phosphate particles are coated with a conductive carbon of a range of 0.5 mass % to 2.4 mass % with respect to a total lithium vanadium phosphate particles.