abstract |
The present invention provides the following new polymers which are useful for hydrogen storage: (i) a polymer comprising -[MN 2 ]— as a repeating unit, wherein M is selected from the group consisting Sc, Ti, V, Cr, Mn, Fe, Co, Zr, Nb, Mo, and mixtures thereof; and (ii) a polymer comprising -[M 2 N 3 ]— as a repeating unit, wherein M is selected from the group consisting Sc, Ti, V, Cr, Mn, Fe, Co, Zr, Nb, Mo, and mixtures thereof. |