Discharge promoter mixture for reducing cell swelling in alkali

Details Discharge promoter mixture for reducing cell swelling in alkali Discharge promoter mixture for reducing cell swelling in alkali

1997-06-18

1998-09-15

Kalafut, Stephen

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

429232, 296231, H01M 462

Patent

active

058076450

ABSTRACT:
An electrode comprising acetylene black or carbon black carbonaceous diluent having a surface area less than about 100 m.sup.2 /gram mixed with graphite and a charge transfer active material to provide an electrode active admixture, is described. The carbonaceous diluent/graphite blend increases the charge transfer capability within the electrode while exhibiting diminished cell swelling in comparison to high surface area carbonaceous diluents. A preferred carbonaceous diluent is SHAWINIGAN BLACK.RTM. carbon.

REFERENCES:
patent: 4166888 (1979-09-01), Rao et al.
patent: 5154992 (1992-10-01), Berberick et al.
patent: 5308714 (1994-05-01), Crespi
patent: 5567539 (1996-10-01), Takahashi et al.
patent: 5569558 (1996-10-01), Takeuchi et al.
patent: 5670277 (1997-09-01), Barker et al.

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