The Influence of Aluminum on the Hydrogen Storing Property for MLN3.85-xMn0.4Co0.75Alx Alloys
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摘要: 采用富La混合稀土金屬(ML)對MLNi3.85-xMn0.4Co0.75Alx(x=0.1~0.5)五元貯氫合金吸放氫性能進行了測試,并計算出其熱力學參數.結果發現Al含量增加,貯氫量下降,添加Al分解壓降低,有利貯氫.Abstract: Mischmetal ML (La-rich) was used to study MLNi3.85-xMn0.4Co0.75Alx(x=0.1~0.5) hydrogen storage alloys. Their activation processes and hydrogen absorption-desorption performances were investigated. The results show that the increase of aluminum content in the alloy can lower the plateau pressure and decrease the amount of hydrogen absorbed. It seems that MLNi3.85-xMn0.4Co0.75Alx(x=0.1~0.3) alloys are prospective.
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Key words:
- Al /
- rare earth metals /
- hydrogen storage alloy
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