Research progress on magnesium-based solid hydrogen storage nanomaterials
Hydrogen energy is expected to become the"ideal fuel"in the era of decarbonization;therefore,the discovery,development,and modification of high-performance hydrogen storage materials are critical to the development of solid-state hydrogen storage and hydrogen energy use.Magnesium hydride(MgH2)has attracted significant attention as a solid hydrogen storage material because of its strong hydrogen storage capacity,abundant natural reserves,and environmental friendly characteristics.However,the high thermodynamic stability,slow kinetic performance,and inevitable agglomeration and coiling during magnesium-hydride cycling limit the large-scale production and practical application of magnesium-based solid hydrogen storage materials.In recent years,several studies have focused on the thermal and kinetic modification of Mg-based hydrogen storage materials,leading to numerous achievements.This review discusses the latest research on magnesium-based solid hydrogen storage materials and summarizes modification strategies,such as alloying,nanification,and introduction of catalysts.Considering the current problems,future development directions are proposed to provide reference and guidance for the research and development of high-performance magnesium-based hydrogen storage materials.
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