机械合金化Mg－20wt％Ni的贮氢性能

Hydriding Properties of Mechanical Alloys Mg-20wt%Ni

采用机械合金化方法合成Ｍｇ－２０ｗｔ％Ｎｉ贮氢材料，并测试了该材料在不同球磨时间下的贮氢性能。试验结果表明，随球磨时间的增加，Ｍｇ－２０ｗｔ％Ｎｉ的贮氢量增大，吸放氢速度增加，但吸放氢平台压变化不大，而平台斜率增加。

Hydrogen storage material Mg-20 wt%Ni mixture was synthesized by mechanical alloying and the hydriding properties of this material at different milling time were measured. The results show that the longer the milling time,the larger the quantity of hydriding and the faster the speed of dehydriding.However,the slopes of plateaux increase while the pressures o f plateaux vary a little.