817 ジメチルエーテル燃料電池の発電性能に及ぼす水分の影響

概要

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Phenomena is presented whereby the performance of a dimethyl-ether fuel cell (DDFC) at 80℃ is much lower when Pt-Ru catalyst is used on the anode than when Pt catalyst is used, in contrast to the higher performance achieved using Pt-Ru catalyst over Pt catalyst in direct methanol fuel cells (DMFC). The DDFC performance achieved using Pt-Ru catalyst increases with temperature and exceeds that using Pt catalyst at temperatures of over 100℃. After high temperature operation, the performance of DDFC using Pt-Ru catalyst at 80℃ is improved. By supplying sufficient steam before operation, the performance of DDFC using Pt-Ru catalyst at 80℃ is also found to improve. Before and during operation, more steam is needed for stable operation of the DDFC using Pt-Ru catalyst at 80℃ than using Pt catalyst.
社団法人日本機械学会の論文
2003-09-19