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Development of Catalytic Reactors and Solid Oxide Fuel Cells Systems for Utilization of Ammonia
Presentation

Development of Catalytic Reactors and Solid Oxide Fuel Cells Systems for Utilization of Ammonia

Koichi EguchiYosuke TakahashiTakahiro MatsuoHayahide YamasakiHidehito KuboAkihiro OkabeTakenori Isomura

Hydrogen is the primary fuel source for fuel cells. However, the low volume density and difficulty in storage and transportation are major obstacles for the practical utilization. Among various hydrogen carriers, ammonia is one of the promising candidates because of its high hydrogen density and boiling point and ease in liquefaction and transportation. The reaction temperature of ammonia cracking to nitrogen and hydrogen, being about 600°C or higher, is close to the operating temperature of solid oxide fuel cells (SOFCs). The integration of these two devices is beneficial in terms of heat and energy managements and will lead to the…

Development of Materials and Systems for Ammonia-Fueled Solid Oxide Fuel Cells
Presentation

Development of Materials and Systems for Ammonia-Fueled Solid Oxide Fuel Cells

Koichi EguchiYosuke TakahashiHayahide YamasakiHidehito KuboAkihiro OkabeTakenori IsomuraTakahiro Matsuo

Hydrogen is the primary fuel source for fuel cells. However, the low volume density and difficulty in storage and transportation are major obstacles for the practical utilization. On-site generation of hydrogen from its carrier is an effective method for the fuel supply. Among various hydrogen carriers, ammonia is one of the promising candidates. Ammonia has high hydrogen density. The boiling point of ammonia is relatively high, leading to the ease in liquefaction and transportation. Hydrogen can be produced from ammonia with a mildly endothermic process. The reaction temperature of ammonia cracking is about 600˚C or higher which is close to…