Strengthening of carbon black-teflon-containing electrodes

Details Strengthening of carbon black-teflon-containing electrodes Strengthening of carbon black-teflon-containing electrodes

1980-10-31

1982-06-29

Edmundson, F.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

208294, 429 42, 429 45, C25B 1103, C25B 1104, H01M 492

Patent

active

043371400

ABSTRACT:
This disclosure is directed to strengthening carbon black-particulate "Teflon" (PTFE) mixes destined to be formed into active layers in air cathodes, which comprises forming the carbon black-particulate Teflon mix; fibrillating said mix along with a substantial quantity of soluble pore-forming agent; adding polytetrafluoroethylene (PTFE) fibers while chopping said fibrillated mix; and thereafter rolling said chopped fibrillated mix containing said PTFE fibers into sheet form.

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Kroon, D. F. et al., Elsevier Sequoia Patent Reports, Fuel Cell Electrodes: Part 1, vol. 5, pp. 5, 112; 1974.
Landi et al., Advances in Chem. Series, Amer. Chem. Soc., pp. 13-23 (1969).

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