中文摘要：

本文综述了近年来Mg—Ni基贮氢合金元素替代发展状况。元索取代影响Mg—Ni基贮氢合金贮氢量、吸放氢温度等吸放氢性能，改善Mg-Ni合金的电化学容量、活化性能、循环稳定性等电化学性能。对此，提出了合金需要解决的问题。

英文摘要：

The research and development of Mg-Ni-based hydrogen storage alloys in recent years were reviewed. Element partial substitutive effect hydrogen storage capacity, hydrogen absorption and desorption temperature, hydrogen absorption properties for Mg-Ni-based hydrogen storage alloy, And improve the Mg-Ni alloy electrochemical capacity, activated and cyclic stability. In this regard, the alloy issue to be resolved.