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. 06, 1999
Filed:
Oct. 11, 1996
Nobuyuki Yamazaki, Tokyo, JP;
Kathuyuki Negishi, Tokyo, JP;
Nippon Chemical Industrial Co., Ltd., Tokyo, JP;
Abstract
A lithium cobaltate based positive electrode-active material for a lithium secondary cell consisting of lithium cobaltate (LiCoO.sub.2) powder having particle properties of an n-value of at least 2.0 in Rosine-Rammler's distribution (R-.lambda.). According to the present invention, it is possible to provide a lithium cobaltate based positive electrode-active material which is excellent in discharge capacity and capacity holding rate and gives high energy density, suitable for a lithium secondary cell.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile