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:
Oct. 01, 2002
Filed:
Jun. 21, 2000
Applicant:
Inventors:
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/58 ; H01M 2/16 ;
U.S. Cl.
CPC ...
H01M 4/58 ; H01M 2/16 ;
Abstract
A nonaqueous electrolyte secondary battery incorporating a positive electrode containing a positive-electrode active material and a negative electrode containing a negative-electrode active material which are laminated through a separator and containing nonaqueous electrolytic solution enclosed therein, the nonaqueous electrolyte secondary battery having a spinel manganese composite metal oxide serving as the positive-electrode active material, wherein the separator is constituted by paper having a thickness of 15 &mgr;m to 60 &mgr;m and permeability of 1 second/100 cc to 10 seconds/100 cc.