金属系材料を用いた水素の貯蔵(<特集>水素および天然ガスの貯蔵技術の現状)

概要

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Metal hydride is one of promising hydrogen storage materials to realize on-board hydrogen storage for fuel cell vehicle and large-scale stationary hydrogen storage system. This paper introduces fundamental properties and advantages of the metal hydrides. Background of research and development of the materials each for on-board and stationary hydrogen storage are described. In addition, recent progress of the research and development on three types of the material is reviewed: Ti- or V-based solid-solution alloys with body-centered cubic (BCC) structure have been developed for a hybrid hydrogen storage tank in fuel cell vehicle. Mg-based materials have been studied and utilized for stationary hydrogen storage systems. Alloys with stacking structure have potential as both negative electrodes for Ni-MH batteries and hydrogen storage materials.
2012-06-20