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:
Mar. 23, 1976
Filed:
Jun. 13, 1974
Applicant:
Inventors:
Assignees:
Medicharge Limited, North Harrow, EN;
Medicor Muvek, Budapest, HU;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M / ;
U.S. Cl.
CPC ...
136111 ; 136145 ;
Abstract
In order to increase the cyclability life of rechargeable silver-zinc electric storage cells, the semi-permeable membrane separator between the silver and zinc electrodes comprises a laminate of plies of semi-permeable oriented cellophane foil bonded together with the electrolyte with some of the plies arranged cross-wise, as regards their direction of orientation, relative to another ply of the membrane. In a preferred embodiment a further single layer of cellophane is disposed between the silver electrode the absorbent paper layer which is normally positioned between the silver electrode and the membrane.