合金FeTi1.2+xwt%LaNi5（x=0,1,2,3,4）储氢性能的研究
Study on hydrogen storage performance of FeTi1.2+xwt%LaNi5（x=0,1,2,3,4） alloys
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摘要: 采用合金化的方法向富钛储氢合金FeTi1.2中添加少量LaNi5以形成四元系合金FeTi1.2+xwt%LaNi5来改善FeTi1.2合金的储氢性能。虽然XRD没有检出合金中有LaNi5相的存在,但是FeTi1.2合金的储氢性能特别是活化性能得到了改善,FeTi1.2+xwt%LaNi5合金还具有较高的储氢量,293K吸氢的FeTi1.2+2wt%LaNi5合金在333K时的放氢量为186.4ml/g,明显超过FeTi1.2合金的172.3ml/g。Abstract: A small amount of LaNi5 was added to improve the hydrogen storage performance of FeTi1.2. No LaNi5 phase was detected in the alloys by XRD,but the hydrogen storage capabilities of FeTi1.2,especially activation characteristic,are greatly improved and the alloys have higher hydrogen storage capacity.The desorption capacity of FeTi1.2+2wt%LaNi5 is 186.4ml/g at 333K,which is greater than 172.3ml/g for FeTi1.2.
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