V-Fe二元合金的吸放氢特性

1.四川大学,四川,成都,610064

2.四川大学,四川,成都,610064

3.四川大学,四川,成都,610064

4.四川大学,四川,成都,610064

5.四川大学,四川,成都,610064

6.四川大学,四川,成都,610064

Hydrogen Storage Properties of V-Fe Binary Alloys

Fe的添加,提高了金属钒的活化性能和放氢平台压力,降低吸放氢容量.Fe含量<1%(原子分数,下同),对二氢化物并无明显影响,Fe含量>1%,二氢化物平台压明显升高,容量明显下降,氢化物的生成焓明显降低;Fe的添加对一氢化物并无明显的影响.随着Fe含量的增加,合金的晶格常数和晶胞体积呈线性趋势降低.

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