Through mechanical alloying treatment of vanadium and a little LaNi5, a great number of fine particles composed of LaNi5 and a little vanadium formed on the surface of metal vanadium particles, which resulted in an improvement in the properties of the vanadium particles. For example, the modified V can be activated at room temperature, it possesses much better resistance to oxygen poisoning than unmodified metal vanadium, and after repeated H absorption-desorption cycles no severe pulverization occurred. All these characteristics are favourable for the practical application of vanadium.
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