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:
Sep. 25, 2001
Filed:
Apr. 03, 1992
Applicant:
Inventors:
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka-Fu, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/58 ; H01M 1/040 ;
U.S. Cl.
CPC ...
H01M 4/58 ; H01M 1/040 ;
Abstract
A secondary battery with non-aqueous electrolyte having a high voltage and energy density and a superior cycle property, characterized in that a cathode comprises composite oxides containing lithium and an anode comprises composite carbon materials containing graphite spherical particles and carbon fibers. The carbon fiber improves the stiffness of the anode depolarizing mix to prevent the body made thereof from swelling and decomposing.