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Characterization and Catalytic Properties of Ni3Al for Hydrogen Production from Methanol

Published online by Cambridge University Press:  26 February 2011

Ya Xu
Affiliation:
Materials Engineering Laboratory, National Institute for Materials Science, 1–2–1 Segen, Tsukuba, Ibaraki 305–0047, Japan
Satoshi Kameoka
Affiliation:
Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Sendai 980–8577, Japan
Kyosuke Kishida
Affiliation:
Materials Engineering Laboratory, National Institute for Materials Science, 1–2–1 Segen, Tsukuba, Ibaraki 305–0047, Japan
Masahiko Demura
Affiliation:
Materials Engineering Laboratory, National Institute for Materials Science, 1–2–1 Segen, Tsukuba, Ibaraki 305–0047, Japan
An-pang Tsai
Affiliation:
Materials Engineering Laboratory, National Institute for Materials Science, 1–2–1 Segen, Tsukuba, Ibaraki 305–0047, Japan Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Sendai 980–8577, Japan
Toshiyuki Hirano
Affiliation:
Materials Engineering Laboratory, National Institute for Materials Science, 1–2–1 Segen, Tsukuba, Ibaraki 305–0047, Japan
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Abstract

The stability of catalytic activity and selectivity of Ni3Al for methanol decomposition were studied by life test at 633 K on the alkali-leached powder samples. The characterization of the samples was carried out by X-ray diffraction, inductively coupled plasma (ICP) analysis, SEM observation, and surface area measurement. The life test showed that the alkali-leached Ni3Al exhibits a very stable activity and a high selectivity for methanol decomposition. The surface characterization after reaction suggests that the high selectivity and stable activity may be attributed to the formation of tiny particles and porous structure which increased the surface area significantly during reaction. These results indicate a possibility of Ni3Al as a catalyst for hydrogen production reaction.

Type
Research Article
Copyright
Copyright © Materials Research Society 2005

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References

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