Polymer electrolyte and an electrochemical cell containing the e

Details Polymer electrolyte and an electrochemical cell containing the e Polymer electrolyte and an electrochemical cell containing the e

1996-12-09

1998-03-03

Bell, Bruce F.

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Include electrolyte chemically specified and method

429190, 429204, 429207, 429122, 252 622, 252500, 361525, 361526, 204252, H01M 604

Patent

active

057232318

ABSTRACT:
An electrolyte for an electrochemical cell is provided. The electrolyte is an admixture of H.sub.3 PO.sub.4 and a high temperature polymer such as poly(benzimidazole) in ratios between 2:1 and 50:1, Fumed silica is added to the electrolyte at levels between 0.2% and 8% by weight. An electrochemical cell is fabricated using the electrolyte, and exhibits improved adhesion between the electrolyte and the electrode.

REFERENCES:
patent: 5239002 (1993-08-01), Ahmed et al.
patent: 5507965 (1996-04-01), Padoy et al.
patent: 5587872 (1996-12-01), Lian et al.
patent: 5604660 (1997-02-01), Bai et al.

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