Fuel processing in direct propane solid oxide fuel cell and carbon dioxide reforming of propane over Ni-YSZ

作者：Huang Ta Jen^*; Wu Chen Yi; Wang Chun Hsiu

来源：Fuel Processing Technology, 2011, 92(8): 1611-1616.

DOI：10.1016/j.fuproc.2011.04.007

• Propane
• Carbon dioxide reforming
• Internal fuel processing
• Syngas
• Solid oxide fuel cell

This work is aimed at understanding the reaction mechanism of propane internal reforming in the solid oxide fuel cell (SOFC). This mechanism is important for the design and operation of SOFC internal processing of hydrocarbons. An anode-supported SOFC unit with Ni-YSZ anode operating at 800 degrees C was tested with direct feeding of 5% propane. CO(2) reforming of propane was carried out in a reactor with Ni-YSZ catalyst to simulate internal propane processing in SOFC. The performance of this direct propane SOFC is stable. The C specie formed over the anode functional layer of SOFC can be completely removed. The major gas products of SOFC are H(2), CO, CH(4), C(2)H(4) and CO(2). Pseudo-steady-state internal processing of propane in the anode catalytic layer of SOFC is associated with a CO(2)/C(3)H(8) molar ratio of about 1.26 and basically CO(2) reforming of propane. CO(2) dissociation to produce the O species to oxidize the C species from dehydrogenation and dissociation of propane and its fragments should be the major reaction during CO(2) reforming of propane.

• 出版日期2011-8
• 单位清华大学