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:
Jun. 11, 1996
Filed:
Nov. 01, 1994
Applicant:
Inventors:
Robert F Savinell, Solon, OH (US);
Morton H Litt, University Heights, OH (US);
Assignee:
Case Western Reserve University, Cleveland, OH (US);
Primary Examiner:
Int. Cl.
CPC ...
H01M / ;
U.S. Cl.
CPC ...
429 30 ; 429 33 ; 204296 ; 204252 ; 521 27 ; 521 30 ; 521 33 ; 5483351 ; 5483435 ; 548152 ; 548156 ; 548217 ; 548219 ; 548125 ; 548215 ; 548146 ; 546348 ; 546152 ;
Abstract
The subject invention relates to solid polymer electrolyte membranes comprising proton conducting polymers stable at temperatures in excess of 100.degree. C., the polymer being basic polymer complexed with a strong acid or an acid polymer. The invention further relates to the use of such membranes in electrolytic cells and acid fuel cells. Particularly, the invention relates to the use of polybenzimidazole as a suitable polymer electrolyte membrane.