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Kinetic effect of Pd additions on the hydrogen uptake of chemically-activated ultramicroporous carbon

✍ Scribed by Vinay V. Bhat; Cristian I. Contescu; Nidia C. Gallego

Publisher: Elsevier Science
Year: 2010
Tongue: English
Weight: 398 KB
Volume: 48
Category: Article
ISSN: 0008-6223
DOI: 10.1016/j.carbon.2010.02.025

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✦ Synopsis

The effect of mixing chemically-activated ultramicroporous carbon (UMC) with Pd nanopowder is investigated. Results show that Pd addition doubles the rate of hydrogen uptake, but does not enhance the hydrogen capacity or improve desorption kinetics. The effect of Pd on the rate of hydrogen adsorption supports the existence of the hydrogen spillover mechanism in the Pd -UMC system.

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