【摘 要】
：
Hydrogen has been deemed as one of the most efficient en-ergy carriers for a broad variety of industrial applications[1,2].Large-scale,low-cost hydrogen production,safe storage and de-livery represent a tremendous technological challenge and have become a
【机 构】
：
Sustainable Energy Laboratory,Faculty of Materials Science and Chemistry,China University of Geoscie
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Hydrogen has been deemed as one of the most efficient en-ergy carriers for a broad variety of industrial applications[1,2].Large-scale,low-cost hydrogen production,safe storage and de-livery represent a tremendous technological challenge and have become a subject of intense research and development activities in the past few decades[3-5].Today,in many parts of the world,hydrogen is produced inexpensively in huge quantities either as a byproduct of an industrial process or through steam reform of fossil fuels.At a much smaller scale,we have begun to witness hydrogen production from renewable sources,such as solar or wind,which may be unable to be entirely integrated into electric grids,via electrolysis.As a consequence,hydrogen may also be produced at a low cost with the excessive energy that may be otherwise wasted[6,7].Unfortunately,the geographic locations where hydrogen is abundant are not always the place where the produced hydrogen can be consumed locally.Indeed,safe storage and delivery of hydrogen has become the bottleneck that severely limits the utilization of hydrogen for broad industrial processes.
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