Kabushiki Kaisha Toshiba

Tohoku University

Shin-ichi Orimo

Tatsuoki Kohno

Yuko Nakamori

A hydrogen occlusive alloy has a cubic structure and a composition represented by the following general formula (1):(MgL)(NiMLi)&#x2003;&#x2003;(1)where the element L is at least one element selected from the group consisting of Na, Cs, Ca, Sr, Ba, Sc, Ti, Zr, Hf, V, Nb, Ta, Y, La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu, the element M is at least one element selected from the group consisting of Cr, Mo, W, Mn, Fe, Co, Pd, Pt, Cu, Ag, Zn, Cd, B, Al, Ga, In, Si, Ge, Sn, Pb, Sb and Bi, and mole ratios X, Y, Z and m are 0&#x3c;X&#x2266;0.5, 0&#x3c;Y&#x2266;0.5, 0.1&#x2266;Z&#x2266;0.9, and 1.8&#x2266;m&#x2266;2.2, respectively.

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Sendai, Japan

Shin-ichi Orimo