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. 03, 2001
Filed:
Apr. 08, 1999
Applicant:
Inventors:
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/52 ; H01M 4/38 ;
U.S. Cl.
CPC ...
H01M 4/52 ; H01M 4/38 ;
Abstract
A lithium ion conductive inorganic solid electrolyte is used as an electrolyte in a lithium secondary battery which uses a transition metal chalcogenide or a lithium• transition metal chalcogenide as an active material for negative electrode. There is provided a lithium secondary battery improved in reversibility and in charge and discharge cycle characteristics as compared with lithium secondary batteries which use a liquid electrolyte or a molten salt electrolyte as the electrolyte.