D207 中低温作動平板型SOFC燃料極におけるメタンの水蒸気改質実験(OS4 水素・燃料電池),動力エネルギーシステム部門20周年,次の20年への新展開)

概要

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Solid Oxide Fuel Cells (SOFCs) operating moderate temperature (about 600℃) have advantage from view of cost and durability. When methane is reformed using Ni in the SOFC anode as a catalyst, the system can be simplified. However there is not much data of methane steam reforming on SOFC anode at moderate temperature. In this study, we put Ni-YSZ cermet inside a wall of a duct imitating planer SOFC and conducted fundamental experiment for methane steam reforming. From this experiment, we obtained fundamental data on the steam reforming process at about 600℃. The results suggest that the steam partial pressure has little influence on the steam reforming rate if the steam-carbon ratio is more than 3 while we may have coking problem at lower steam-carbon ratio region.
一般社団法人日本機械学会の論文
2010-06-20