| 摘要 |
A hydrogen storage composition comprises a particulate alloy comprising grains of magnesium, wherein the grain boundaries contain phases comprising nickel and at least one non-nickel transition metal, wherein the nickel is present at levels of <= 5 wt% based on the composition as a whole, and wherein the at least one non- nickel transition metal is present at levels of <= 0.5 wt% based on the composition as a whole.
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