State Key Laboratory of Powder Metallurgy,Central South University, Changsha 410083, China;
Department of Mechanical Engineering, University of Waterloo, Waterloo, Ontario, Canada N2L 3G1;
Department of Mechanical Engineering, University of Waterloo, Waterloo, Ontario, Canada N2L 3G1;
hydrogen storage materials; hydride; fuel cell; mechanical alloying; solid state synthesis;