Dehydrogenation Properties of Kish Graphite Powder Mechanically Milled in H2 Atmosphere (特集 炭素系機能材料)
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概要
- 論文の詳細を見る
Carbon-related materials have been a potential candidate as a new hydrogen storage material. In this study, kish graphite powder, which is a low-cost carbon material produced through the steelmaking process, was mechanically milled under H2 atmosphere, and its dehydrogenation properties were investigated. The layer structure of kish graphite was mostly destructed after milling for 20 h, and contamination of Fe and stainless steel from a stainless steel vial and balls occurred. The mechanical milling was effective for increasing hydrogen content in the powder and decreasing hydrogen desorption temperature, and there were three desorption peaks in the TDS (thermal desorption spectroscopy) curve of the sample milled for 20 h. It was also found that V and Fe addition reduced the dehydrogenation temperatures and enhanced dehydrogenation corresponding to the second peak in the TDS curve.
- 社団法人粉体粉末冶金協会の論文
- 2005-02-15
著者
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ITO Mikio
Department of Materials Science and Processing, Graduate School of Engineering, Osaka University
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HARA Shigeta
Department of Materials Science and Processing, Graduate School of Engineering, Osaka University
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Hara Shigeta
Department Of Materials Science And Processing Graduate School Of Engineering Osaka University
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Hara Shigeta
Department Of Mechanical Engineering Fukui University Of Technology
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UEDA Hideaki
Osaka University
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TSUJI Yasufumi
Osaka University
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UEDA Atsushi
National Institute of Advanced Industrial Science and Technology (AIST), Kansai Center
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Ito Mikio
Department Of Materials Science And Processing Graduate School Of Engineering Osaka University
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Ueda Atsushi
National Institute Of Advanced Industrial Science And Technology (aist) Kansai Center
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Ito Mikio
Department Of Analytical Pharmacology Faculty Of Pharmacy Meijo University
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