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:
May. 07, 1996
Filed:
Jun. 19, 1995
Applicant:
Inventors:
John L Stempin, Beaver Dams, NY (US);
Ronald L Stewart, Big Flats, NY (US);
Dale R Wexell, Corning, NY (US);
Assignee:
Corning Incorporated, Corning, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M / ;
U.S. Cl.
CPC ...
429204 ; 429247 ;
Abstract
A battery assembly comprising a separator, spaced metal/metal oxide electrodes and a liquid electrolyte, the improvement comprising a rigid, porous, ceramic separator that is wettable by the liquid electrolyte, that has a porosity of 40-90 volume %, an average pore size in the range of 0.1-25 microns, a thickness of 1-12 mm, and a weight loss of not more than about 5% when exposed to H.sub.2 SO.sub.4 having a specific gravity of 1.28 for 72 hours at 70.degree.C.