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:
Feb. 20, 1990
Filed:
Apr. 26, 1988
Applicant:
Inventors:
Guido Clerici, Milan, IT;
Mario Maja, Turin, IT;
Assignee:
Industrie Magneti Marelli S.r.l., Milan, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M / ;
U.S. Cl.
CPC ...
429204 ; 429 57 ; 429225 ;
Abstract
In a gas-recombination lead accumulator, the electrolyte includes additives selected from the group consisting of ions of tin, selenium and bismuth and/or organic molecules selected from the group consisting of n-dodecylamine, 2,3,4-trimethoxybenzaldehyde, 3,5-diaminobenzoic acid, nicotinic acid and their sodium, potassium and magnesium salts. The presence of the aforesaid additives has the effect of inhibiting the discharge of hydrogen and/or promoting the reduction of oxygen at the negative electrode.