C - Chemistry – Metallurgy – 22 – C
Patent
C - Chemistry, Metallurgy
22
C
C22C 14/00 (2006.01) C01B 3/00 (2006.01) C01B 6/02 (2006.01)
Patent
CA 2181126
This invention relates to a hydrogen-absorbing alloy, and particularly provides a hydrogen-absorbing alloy having a body-centered cubic structure which has a periodical structure formed by spinodal decomposition, has a large hydrogen storage amount, has excellent hydrogen desorption characteristics and can mitigate activation conditions, the alloy comprises at least two elements of alloy components, wherein the relational curve between chemical free energy of solid solutions and an alloy composition has a shape describing an upwardly convexed curve, or said alloy comprises two solid solutions having a regular periodical structure formed by spinodal decomposition within a region satisfying the relation d2G/dXB2 < 0 (where G is chemical free energy and XB is a solute alloy concentration) as the principal phase.
Akiba Etsuo
Iba Hideki
Director-General Of Agency Of Industrial Science And Technology
Gowling Lafleur Henderson Llp
Toyota Jidosha Kabushiki Kaisha
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