Strengthening of carbon black-teflon-containing electrode

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

1982-02-16

1983-09-20

Cockeram, H. S.

Plastic and nonmetallic article shaping or treating: processes

Forming articles by uniting randomly associated particles

Autogenously or by activation of dry coated particles

264 6, 264 7, 264 8, 264220, 264319, 264349, 264 9, B29C 600, B27J 500

Patent

active

044055447

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 mixing an aqueous dispersion of particulate polytetrafluoroethylene with an aqueous suspension of particulate carbon-black; washing and drying; mixing with a pore-forming agent; fibrillating said mixtures; washing and drying; adding polytetrafluoroethylene fibers while chopping said dried fibrillated mixture and thereafter forming said chopped mixture into a sheet, which was washed and dried.

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Kroon, D. F. et al., Elsevier Sequoia Patent Reports, Fuel Cell Electrodes: Part 1, vol. 5, pp. 5, 112 (1974).
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