School of Material Science and Technology;
Inner Mongolia University of Technology;
Huhhot 010049;
China;
School of Material Science and Technology;
Inner Mongolia University of Technology;
Huhhot 010049;
China;
General Research Institute for Non-Ferrous Metals;
Beijing 100088;
China;
rare; earth; based; hydrogen; storage; alloy; particle; size; electrochemical; property;