Elemental metals or oxides distributed on a carbon substrate or

Details Elemental metals or oxides distributed on a carbon substrate or Elemental metals or oxides distributed on a carbon substrate or

1998-11-05

1999-09-07

Lusignan, Michael

Coating processes

Vacuum utilized prior to or during coating

423414, 4234151, 423448, B05D 300, C01B 3100

Patent

active

059484756

ABSTRACT:
A process for providing elemental metals or metal oxides distributed on a carbon substrate or self-supported utilizing graphite oxide as a percursor. The graphite oxide is exposed to one or more metal chlorides to form an intermediary product comprising carbon, metal, chloride, and oxygen. This intermediary product can be further processed by direct exposure to carbonate solutions to form a second intermediary product comprising carbon, metal carbonate, and oxygen. Either intermediary product may be further processed: a) in air to produce metal oxide; b) in an inert environment to produce metal oxide on carbon substrate; c) in a reducing environment to produce elemental metal distributed on carbon substrate. The product generally takes the shape of the carbon precursor.

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From Graphite to Porous Carbon Containing Nanoparticles through Chemical Reactions C.C. Hung: J. Corbin, Aprl. 8-12, 1996.
Fabrication of Iron-Containing Carbon Materials from Graphite Flouride, Chin-Cheh Hung, Jul. 16-21, 1995.

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