The research history of catalysts for MgH2 hydrogen storage system is illustrated,the mechanism of MgH2 catalytic hydrogen storage is introduced,and the hydrogen absorption/desorption properties of several catalysts commonly used in solid hydrogen storage and release system are summarized,including metals and their compounds,carbon materials,MOF materials and their derivatives.Through discussing and summarizing the advantages,disadvantages and differences of the existing catalyst systems,the existing problems,the potential catalysts and future research directions for MgH2 solid hydrogen storage are proposed.
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