4.8 Article

Dense Carbide/Metal Composite Membranes for Hydrogen Separations Without Platinum Group Metals

Journal

ADVANCED MATERIALS
Volume 23, Issue 31, Pages 3585-+

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201100931

Keywords

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Funding

  1. U.S. Department of Energy [DE-FE0001009]
  2. Science Foundation Ireland
  3. Division Of Materials Research
  4. Direct For Mathematical & Physical Scien [0820518] Funding Source: National Science Foundation

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Mo2C-coated vanadium composites are presented as an example of a new class of metallic membranes for hydrogen separations. Unlike conventional platinum-group catalysts, Mo2C does not alloy with the bulk metal at temperatures >350 degrees C, allowing operation without risk of embrittlement or loss of catalyst activity. Optimal permeabilities approach that of palladium, at a far lower cost.

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