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:
Sep. 06, 1994
Filed:
Jun. 21, 1993
Applicant:
Inventors:
Clarence A Meadows, Muncie, IN (US);
James R Bish, Anderson, IN (US);
Robert E Adams, Selma, IN (US);
Assignee:
General Motors Corporation, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M / ; H01M / ;
U.S. Cl.
CPC ...
429210 ; 429225 ; 429228 ; 429232 ; 429245 ;
Abstract
A bipolar electrode for a Pb-acid battery comprising a lead septum plate and a porous coating on at least one face of the septum plate for anchoring at least the positive active material paste to the septum. The porous coating comprises multiple layers of lead particles fused together and to the septum face so as to define a plurality of interconnected, interstitial pores therebetween. The particles are fused droplets of lead arc-sprayed into the surface of the septum. A particular bipolar and battery construction useful with the bipolar electrode is disclosed.