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. 07, 1991
Filed:
Apr. 23, 1990
Applicant:
Inventors:
Tadaaki Miyazaki, Higashiyamato, JP;
Takao Ogino, Tokorozawa, JP;
Yoshitomo Masuda, Tachikawa, JP;
Hiroaki Wada, Kawasaki, JP;
Takahiro Kawagoe, Tokorozawa, JP;
Assignee:
Bridgestone Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01M / ;
U.S. Cl.
CPC ...
429194 ; 429218 ;
Abstract
A secondary cell comprising a positive electrode of an active material in the form of a lithium-containing vanadium oxide Li.sub.1+x V.sub.3 O.sub.8+y which forms a solid solution with silicon or aluminum, a negative electrode of lithium or a lithium alloy, and a nonaqueous electrolytic solution containing lithium ions, the positive electrode has an increased capacity and improved cycle performance.