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首页> 外文期刊>Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics >Rare-earth-based AB_5-type hydrogen storage alloys as hydrogen electrode catalysts in alkaline fuel cells
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Rare-earth-based AB_5-type hydrogen storage alloys as hydrogen electrode catalysts in alkaline fuel cells

机译:稀土AB_5型储氢合金作为碱性燃料电池中的氢电极催化剂

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摘要

Hydrogen oxidation by noble-metal-free, rare-earth-based, AB_5-type catalysts was investigated in a double-layer hydrogen anode where the catalyst layer and the gas-diffusion layer were rolled together. The catalytic activity and operational stability were examined in a half-cell with 30 wt percent KOH at 55 deg C. The electrode had good catalytic activity for hydrogen oxidation and long-term stability over 1600 h at a current density of 40-50 mA/cm~2.
机译:在双层氢阳极中研究了无贵金属,稀土基AB-5型催化剂的氢氧化反应,在该阳极中,催化剂层和气体扩散层被压在一起。在55摄氏度,含30 wt%KOH的半电池中检查了催化活性和操作稳定性。电极在40-50 mA / mA的电流密度下具有良好的氢氧化催化活性和1600 h的长期稳定性。厘米〜2。

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