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. 29, 1986
Filed:
Feb. 26, 1985
Applicant:
Inventors:
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M / ;
U.S. Cl.
CPC ...
429224 ; 2521821 ; 423605 ;
Abstract
A lithium-manganese dioxide cell comprising a cathode composed of manganese dioxide, an anode composed of metal lithium and an electrolyte interposed therebetween. The manganese dioxide having an X-ray diffraction peak in the vicinity of a diffraction crystal lattice distance d=3.60 .ANG. analyzed after discharging in a cell. The manganese dioxide may be prepared by the steps of adding nitric acid to electrolytic manganese (EMD), chemical manganese dioxide (CMD), a product obtained by heat-treatment of EMD or CMD, a product obtained by thermal decomposition of EMD or CMD, or a product by thermal decomposition of manganese nitrate, and heat-treating the resulting mixture.