Abstract
This article firstly based on Matlab/Simulink software to model and simulate the solid oxide fuel cell (SOFC), obtain the SOFC volt-ampere characteristic curve, and verify the correctness of the model; secondly, according to the existing 1KW SOFC in the laboratory, the stack has determined the initial parameters of the simulation, simulated the effects of the air inlet pressure and the nitrogen-oxygen ratio on the SOFC output voltage and electrical efficiency, and compared the analysis with the fuel inlet pressure. Finally, the conclusion is drawn: air inlet the increase in pressure can significantly increase the output voltage and electrical efficiency of the stack, and the increase in the oxygen content of the cathode intake increases the output power of the stack.
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