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:
Dec. 13, 1988
Filed:
Aug. 15, 1986
Applicant:
Inventor:
Menahem Anderman, Boyds, MD (US);
Assignee:
W. R. Grace & Co.-Conn., New York, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M / ;
U.S. Cl.
CPC ...
429196 ; 429209 ; 429217 ;
Abstract
An improved carbon cathode and its use in a Li/SO.sub.2 battery wherein the cathode is formed from a microporous sheet having a substantially uniform mixture of from 7 to 22 volume percent of an ultra-high molecular weight polyethylene, from 78 to 93 volume percent of a conductive carbon black and from 0 to 2 volume percent of a plasticizer for the polyethylene. The microporous sheet has a void volume of at least 75 percent and exhibits electrical conductivity of at least 0.05 ohm.sup.-1 cm.sup.-1.