| Nanosize-Induced Drastic Drop in Equilibrium Hydrogen Pressure for Hydride Formation and Structural Stabilization in Pd-Rh Solid-Solution Alloys. | |
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MedLine Citation:
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PMID: 22799891 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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We have synthesized and characterized homogeneous solid-solution alloy nanoparticles of Pd and Rh, which are immiscible with each other in the equilibrium bulk state at around room temperature. The Pd-Rh alloy nanoparticles can absorb hydrogen at ambient pressure and the hydrogen pressure of Pd-Rh alloys for hydrogen storage is dramatically decreased by more than four orders of magnitude from the corresponding pressure in the metastable bulk state. The solid-solution state is still maintained in the nanoparticles even after hydrogen absorption/desorption, in contrast to the metastable bulks which are separated into Pd and Rh during the process. |
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Authors:
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Hirokazu Kobayashi; Hitoshi Morita; Miho Yamauchi; Ryuichi Ikeda; Hiroshi Kitagawa; Yoshiki Kubota; Kenichi Kato; Masaki Takata; Shoichi Toh; Syo Matsumura |
Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-7-16 |
Journal Detail:
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Title: Journal of the American Chemical Society Volume: - ISSN: 1520-5126 ISO Abbreviation: - Publication Date: 2012 Jul |
Date Detail:
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Created Date: 2012-7-17 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7503056 Medline TA: J Am Chem Soc Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
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