Electrochemical cell having solid polymer electrolyte and asymme

Details Electrochemical cell having solid polymer electrolyte and asymme Electrochemical cell having solid polymer electrolyte and asymme

1995-08-10

1996-05-21

Bell, Bruce F.

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Include electrolyte chemically specified and method

429190, 429192, 429194, 429195, 429203, 429204, 429206, 429207, 429218, 429219, 429229, 429231, 429232, H01M 618

Patent

active

055188389

ABSTRACT:
An electrochemical cell is made with two asymmetric electrodes and a solid polymer electrolyte. The anode is made from materials such metal hydrides, metals, metal hydroxides or metal oxides. The cathode is made from metal hydrides, metals, metal hydroxides or metal oxides. A solid polymer electrolyte is in intimate contact with and situated between the anode and the cathode. The solid polymer electrolyte is made from a polymeric binder such as polyethylene oxide, polyvinylalcohol, polyvinyl acetate, polyacrylamide, poly(vinylpyrrolidone), poly(2-vinylpyridine), poly(4-vinylpyridine) and polyethyleneimine. The polymeric binder has H.sub.2 SO.sub.4 or H3PO4 dispersed within it.

REFERENCES:
patent: 4009056 (1977-02-01), Megahed et al.
patent: 4500667 (1985-02-01), Polak et al.
patent: 4705545 (1987-11-01), Polak et al.
patent: 4824528 (1989-04-01), Polak et al.
patent: 5030527 (1991-07-01), Carpio et al.
patent: 5389469 (1995-02-01), Passaniti et al.

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