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:
Nov. 30, 1999
Filed:
Sep. 16, 1997
Applicant:
Inventor:
David W Firsich, Dayton, OH (US);
Assignee:
Inorganic Specialists, Inc., Miamisburg, OH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M / ;
U.S. Cl.
CPC ...
4292318 ;
Abstract
A carbon material useful as an electrode in supercapacitors and a method for preparing the same. In one method, a phenolic resin powder, optionally combined with a carbon powder, is formed into a layer less than 0.01 inches thick; the temperature of the resin is increased at a rate of approximately 0.1 to 4.degree. C. per minute, thereby melting the resin into a porous network; the network is carbonized, hydrogenated in a hydrogen atmosphere and sulfonated.