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:
Jan. 16, 2001
Filed:
Jun. 12, 1997
Applicant:
Inventors:
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/60 ;
U.S. Cl.
CPC ...
H01M 4/60 ;
Abstract
A method for producing an active anode substance includes: a step for preparing, with mesophase carbon as a starting material, two carbon materials different in calcination temperature; a step for combining the two carbon materials at a specified ratio, turning the mixture into particles, and molding them into a shaped body; and a step for sintering the shaped body in an atmosphere of an inert gas or in a vacuum into a sintered anode body.