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Surfactant-stabilized magnesium nanoparticles were successfully prepared. These nanoparticles exhibit unique dehydriding properties. They can reversibly store 7.6 mass % hydrogen, leading to a total hydrogen capacity of 1.34 mass % for the colloid. Full hydrogen desorption is obtained at 85 °C. In comparison, hydrogen barely desorbs from bulk magnesium hydride at 350 °C
Aguey‐Zinsou et al. (Thu,) studied this question.