Catalytic properties of Ni_3Al for hydrogen production reactions

机译：Ni_3Al对制氢反应的催化性能

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Ni_3Al has attractive high temperature properties, such as high strength and good oxidation/corrosion resistance, and is possible to be used for high temperature chemical processing and manufacture. Until now, the catalytic properties of Ni_3Al were rarely investigated since the leaching of aluminum from Ni_3Al is difficult to obtain a porous Raney-Ni compared to NiAl_3 and Ni_2Al_3. In the present work, the catalytic properties of Ni_3Al were examined for hydrogen production reactions from methanol. It was found that alkali-leached Ni_3Al showed high activity for methanol decomposition (CH_3OH → 2H_2+CO). Furthermore, Ni_3Al catalysts suppress the formation of methane, i.e. they show higher selectivity for the methanol decomposition reaction than Ni catalyst. These results indicate a possibility for Ni_3Al used as a catalyst for hydrogen production reaction.

机译：Ni_3Al具有吸引人的高温特性，例如高强度和良好的抗氧化/腐蚀性能，并且可以用于高温化学加工和制造。迄今为止，由于与NiAl_3和Ni_2Al_3相比，从Ni_3Al浸出铝难以获得多孔阮内-Ni，因此很少研究Ni_3Al的催化性能。在目前的工作中，研究了Ni_3Al的催化性能，以研究甲醇制氢反应。发现碱浸出的Ni_3Al具有较高的甲醇分解活性（CH_3OH→2H_2 + CO）。此外，Ni_3Al催化剂抑制了甲烷的形成，即，与Ni催化剂相比，它们对甲醇分解反应显示出更高的选择性。这些结果表明Ni_3Al用作制氢反应催化剂的可能性。

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来源
《Pacific Rim International Conference on Advanced Materials and Processing(PRICM 5) pt.1; 20041102-05; Beijing(CN)》|2004年|P.755-758|共4页
会议地点 Beijing(CN)
作者
Ya Xu; Satoshi Kameoka; Kyosuke Kishida; Masahiko Demura; An-pong Tsai; Toshiyuki Hirano;
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作者单位

Materials Engineering Laboratory, National Institute for Materials Science, 1-2-1 Segen, Tsukuba, Ibaraki 305-0047, Japan;

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会议组织
原文格式 PDF
正文语种 eng
中图分类工程材料一般性问题;
关键词
Ni_3Al; intermetallics; catalyst; methanol decomposition;

机译：Ni_3Al;金属间化合物;催化剂;甲醇分解;

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Catalytic properties of Ni_3Al for hydrogen production reactions

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