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:
Nov. 21, 1989
Filed:
Oct. 19, 1988
Applicant:
Inventor:
Angelika Heinzel, Freiburg, DE;
Assignee:
Siemens Aktiengesellschaft, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M / ;
U.S. Cl.
CPC ...
429 19 ; 429 44 ; 429107 ; 429109 ;
Abstract
The combination of gold, thallium, lead and bismuth is used as a catalyst in a battery comprised of at least one 'redox' cell to accelerate the oxidation of chromous ions to chromic ions and the reduction of chromic ions to chromous ions. The gold, thallium, lead and bismuth catalyst is coated on an electronically conductive, inert electrode which is in the anode fluid of the 'redox' cell.