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:
Apr. 03, 2001
Filed:
Dec. 19, 1997
Alexander Gorkovenko, Tucson, AZ (US);
Terje A. Skotheim, Tucson, AZ (US);
Zhe-Sheng Xu, Tucson, AZ (US);
Leonid I. Boguslavsky, Tucson, AZ (US);
Zhongyi Deng, Tucson, AZ (US);
Shyama P. Mukherjee, Tucson, AZ (US);
Moltech Corporation, Tucson, AZ (US);
Abstract
The present invention pertains to solid composite cathodes which comprise (a) an electroactive sulfur-containing cathode material which, in its oxidized state, comprises a polysulfide moiety of the formula, —S,—, wherein m is an integer from 3 to 10; and (b) a non-electroactive particulate non-fibrous material having a strong adsorption of soluble polysulfides. The present invention also pertains to electric current producing cells comprising such solid composite cathodes, and methods of making such solid composite cathodes and electric current producing cells.