Nanosize-induced hydrogen storage and capacity control in a non-hydride-forming element: Rhodium

Hirokazu Kobayashi; Hitoshi Morita; Miho Yamauchi; Ryuichi Ikeda; Hiroshi Kitagawa; Yoshiki Kubota; Kenichi Kato; Masaki Takata

doi:10.1021/ja2027772

Nanosize-induced hydrogen storage and capacity control in a non-hydride-forming element: Rhodium

Hirokazu Kobayashi, Hitoshi Morita, Miho Yamauchi, Ryuichi Ikeda, Hiroshi Kitagawa, Yoshiki Kubota, Kenichi Kato, Masaki Takata

Research output: Contribution to journal › Article › peer-review

46 Citations (Scopus)

Abstract

We report the first example of nanosize-induced hydrogen storage in a metal that does not absorb hydrogen in its bulk form. Rhodium particles with diameters of <10 nm were found to exhibit hydrogen-storage capability, while bulk Rh does not absorb hydrogen. Hydrogen storage was confirmed by in situ powder X-ray diffraction, solid-state ²H NMR, and hydrogen pressure - composition isotherm measurements. The hydrogen absorption capacity could be tuned by controlling the particle size.

Original language	English
Pages (from-to)	11034-11037
Number of pages	4
Journal	Journal of the American Chemical Society
Volume	133
Issue number	29
DOIs	https://doi.org/10.1021/ja2027772
Publication status	Published - 2011 Jul 27
Externally published	Yes

ASJC Scopus subject areas

Catalysis
Chemistry(all)
Biochemistry
Colloid and Surface Chemistry

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10.1021/ja2027772

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AU - Ikeda, Ryuichi

AU - Kitagawa, Hiroshi

AU - Kubota, Yoshiki

AU - Kato, Kenichi

AU - Takata, Masaki

PY - 2011/7/27

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AB - We report the first example of nanosize-induced hydrogen storage in a metal that does not absorb hydrogen in its bulk form. Rhodium particles with diameters of <10 nm were found to exhibit hydrogen-storage capability, while bulk Rh does not absorb hydrogen. Hydrogen storage was confirmed by in situ powder X-ray diffraction, solid-state 2H NMR, and hydrogen pressure - composition isotherm measurements. The hydrogen absorption capacity could be tuned by controlling the particle size.

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Nanosize-induced hydrogen storage and capacity control in a non-hydride-forming element: Rhodium

Abstract

ASJC Scopus subject areas

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