Finely particulated colloidal platinum compound and sol for prod

Details Finely particulated colloidal platinum compound and sol for prod Finely particulated colloidal platinum compound and sol for prod

1981-12-28

1990-01-16

Hearn, Brian E.

Chemistry: electrical current producing apparatus, product, and

Having earth feature

429 42, 429 44, 429218, 502183, H01M 492

Patent

active

RE0331490

ABSTRACT:
This disclosure deals with novel very fine, particulated colloidal platinum of the 15-25 Angstrom size range of unusual catalytic activity and particularly adapted for adsorption or other deposition upon carbon for use as fuel cell catalytic electrodes and the like and produced from platinum colloids and sols including complex platinum sulfite compounds and sols derived therefrom.

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Foundations of College Chemistry, Murphy and Rousseau, pp. 648-649 (1969).
Adlhart et al., "Noble Metal-Carrier Catalysts", Proceedings 20th Annual Power Sources Conference, pp. 12-14, May 1966.
Bond, "The reaction of Ethylene with Deuterium Over Various Types of Platinum Catalyst" pp. 1235-1244 (1956). Frick Chemical Laboratory, Princeton University, Princeton, N.J.
Benesi et al., "Preparation of Highly Dispersed Catalytic Metals-Platinum Supported on Silicon Gel", Journal of Catalysis, 10, pp. 328-335 (1968).

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