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贮氢合金能吸收相当于自身体积 10 0 0倍左右的氢气 ,在室温附近能反复进行吸放氢 ,这较之液态氢能将体积相当于它 80 0倍左右的氢气液化有利得多。贮氢合金几乎都是吸氢的金属 (碱土类金属 ,第 3族～第 5族金属及Ｐｄ)与不吸氢的金属 (除Ｐｄ以外的第 6族～第 12族金属 )组合
Hydrogen storage alloy can absorb about 100 times its own volume of hydrogen gas around the room temperature can be repeated absorption and desorption of hydrogen than liquid hydrogen can be equivalent to its volume of 80 times the hydrogen liquefaction is much more favorable. Hydrogen storage alloys are almost all hydrogen absorbing metals (alkaline earth metals, Group 3 to Group 5 metals and Pd) in combination with non-hydrogen absorbing metals (Group 6 to Group 12 metals other than Pd)