Research progress on catalysts for hydrogen production by methanol steam reforming
Methanol,as a stable liquid-phase hydrogen storage medium at room temperature and pressure,has the advantages of high hydrogen to carbon ratio,low price,and convenient storage and transportation.Replacing the traditional catalytic hydrocarbon reforming process by methanol reforming is an important means to realize the green production and efficient storage and transportation of hydrogen energy.In this review,we firstly introduce the mechanism and characteristics of methanol reforming for hydrogen generation.Then,the structural optimization strategies of metal active sites were reviewed from the aspects of monometallic,bimetallic and metal valence regulations.Subsequently,we elaborate the structure modulation methods of the metal-support interface such as the doping effect of support,defective site modulation,and support crystalline phase control.Furthermore,the strategy for reconstructing active sites was discussed from the aspects of support induced activation and metal site sustained release.Finally,the preparation strategies for developing high-performance catalysts in the future and the characterization techniques and theoretical calculation methods used to reveal the structure-activity relationship were discussed.
methanol reforming for hydrogen productionhydrogenhigh performance catalystcatalyst regulation strategyrenewable energy
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