Polymer electrolytes and electrochemical cells using same

Details Polymer electrolytes and electrochemical cells using same Polymer electrolytes and electrochemical cells using same

1995-03-10

1996-08-27

Kalafut, Stephen

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Include electrolyte chemically specified and method

429206, H01M 618, H01M 622

Patent

active

055499880

ABSTRACT:
An electrolyte system (40) for use in connection with an electrochemical cell (10). The cell (10) includes a positive (20) and a negative (30) electrode, and an electrolyte system (40) disposed therebetween. The electrolyte system includes a polymer matrix fabricated of a polyacrylic acid or polyacrylic acid derivative polymeric material. The polymer material is adapted to engage in electroactive species. Examples of electroactive species may be either an acid or a base electrolyte, such as KOH or H.sub.2 SO.sub.4.

REFERENCES:
patent: 3708220 (1973-01-01), Meyers et al.
patent: 3765950 (1973-10-01), Lauck
patent: 4121022 (1978-10-01), Dick et al.
patent: 4168352 (1979-09-01), Dick et al.
patent: 4563404 (1986-01-01), Bahary
patent: 4778737 (1988-10-01), Sehm
patent: 5166008 (1992-11-01), Tomida et al.
patent: 5433892 (1995-07-01), Czech
F. Buchholz Trip, vol. 8, Aug., 1994 pp. 277-281 Recent Advances in Superabsorbent Polyacrylates.

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