Modeling of Pressurized Electrochemistry and Steam-Methane Reforming in Solid Oxide Fuel Cells and the Effects on Thermal and Electrical Stack Performance

Recknagle, Kurtis P. ; Khaleel, Mohammad A.

关键词: ELECTROCHEMISTRY;    FORECASTING;    KINETICS;    METHANE;    PERFORMANCE;    PRESSURIZATION;    SIMULATION;    SOLID OXIDE FUEL CELLS Pressurized SOFC Electrochemistry and Steam-Methane Reforming;    Performance of Large Stacks;   

DOI  :  10.2172/1000834
RP-ID  :  PNNL-18338
PID  :  OSTI ID: 1000834
Others  :  Other: AA2530000
Others  :  TRN: US201102%%48

美国|英语

来源: SciTech Connect

【 摘 要 】

Summarizes work done to extend the electrochemical performance and methane reforming submodels to include the effects of pressurization and to demonstrate this new modeling capability by simulating large stacks operating on methane-rich fuel under pressurized and non-pressurized conditions. Pressurized operation boosts electrochemical performance, alters the kinetics of methane reforming, and effects the equilibrium composition of methane fuels. This work developed constitutive submodels that couple the electrochemistry, reforming, and pressurization to yield an increased capability of the modeling tool for prediction of SOFC stack performance.