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. 19, 2001
Filed:
Jun. 28, 1999
Applicant:
Inventors:
Subhash Narang, Palo Alto, CA (US);
Susanna Ventura, Los Altos, CA (US);
Assignee:
SRI International, Menlo Park, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 1/040 ; C08G 7/500 ;
U.S. Cl.
CPC ...
H01M 1/040 ; C08G 7/500 ;
Abstract
An electrolyte is provided having a backbone that includes a plurality of aromatic constituents coupled together by at least one atom having a &pgr;-cloud, and in which a halogen atom and an ion exchange group are covalently bound directly to the backbone. Furthermore, the electrolyte is high temperature resistant and may comprise perhalogenated polymers, including perhalogenated polyphenylenes, perhalogenated polyamides, perhalogenated aromatic polyesters, perhalogenated polyimide, etc. Still further, the electrolyte may have acidic groups as ion exchange groups, including sulfonic acid groups, or phosphoric acid groups.