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:
Jul. 19, 1988
Filed:
Nov. 20, 1986
Applicant:
Inventors:
Calman Herscovici, Chappaqua, NY (US);
Anthony Leo, Danbury, CT (US);
Allen Charkey, Brookfield, CT (US);
Assignee:
Electric Power Research Institute, Inc., Palo Alto, CA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ; C04B / ; H01M / ; H01M / ;
U.S. Cl.
CPC ...
428408 ; 264105 ; 429210 ; 429217 ; 429229 ; 429232 ; 252510 ; 252511 ;
Abstract
Novel bipolar electrodes for electrochemical cells and methods for making same are provided. The bipolar electrodes comprise a pressure-molded composite of heat-treated graphite particles having a particle size distribution of 0 to 45 .mu.m and thermoplastic resin particles. The graphite and resin in the composite are in a weight ratio of from 1:5 to 1:1 and are formed by pressure-molding at 400 kg/cm.sup.2 or higher at 190.degree. C.