Patent ID: 7833928

Claim:
Metalliferous, hydrogen-storing material, comprising a metal for the taking up and releasing of hydrogen, said metal exhibiting a nanocrystalline structure, and a catalyzing agent for the taking up and releasing of hydrogen by the metal, wherein the catalyzing agent is a metal carbonate which also exhibits a nanocrystalline structure, wherein the metal carbonate is the carbonate of a metal selected from the group consisting of Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Ga, Ge, Y, Zr, Nb, Mo, Tc, Ru, Rh, Pd, Ag, Cd, In, Sn, La, Hf, Ta, W, Re, Os, Ir, Pt, Au, Hg, TI, Pb, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Th, Pa, U, Np, Pu, Am, Cm, Bk, Cf, Es, Fm, Md, No, Lw, and mixtures thereof, and wherein the metalliferous material comprises a homogeneous distribution of the metal and the catalyzing agent.