5016 ハイブリッド型水素貯蔵容器の水素充填特性(S53 水素貯蔵技術における熱工学的諸問題,S53 水素貯蔵技術における熱工学的諸問題)

概要

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Hybrid hydrogen storage tank is a high pressure hydrogen tank combined with metal hydrogen absorbing material to increase hydrogen mass stored per tank volume. It becomes an essential technology to supply hydrogen gas to fuel cell vehicles. However, poor heat transmission in MH bed during exoergic hydride forming reaction causes a long hydrogen charging time. This study shows basic characteristics of hydrogen charging rate and MH temperatures during hydrogen charging of a hybrid tank. Radial fin arrangement in cylindrical MH cartridge hydrogen charging enhances heat transfer in MH and reduces considerably hydrogen absorption time. The optimum fin number is also given by 2D numerical analysis.
社団法人日本機械学会の論文
2006-09-15