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Progress in modification and thermodynamic tuning of light hydrogen storage materials

As an ideal secondary energy source, hydrogen energy has attracted the attention of researchers in the world in order to solve the problems of environment pollution and energy shortage. The solid-state hydrogen storage possessing high energy storage density and good safety is regarded as the most promising way among many hydrogen storage methods. Hydrogen storage materials composed of light elements (such as metal hydrides, borohydrides, aluminum hydrides, amino hydrides, ammonia borane) have become a research hotspot in the field of hydrogen storage owning to their high energy storage density. From the perspective of thermodynamics, this manuscript reviews recent progresses of several light hydrogen storage materials, especially the modification of materials. What’s more, the development trend of light hydrogen storage materials is prospected.