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Proton exchange membrane fuel cell (PEMFC) application prospect , the market potential is huge , upgrade the industrial structure , environmental protection and sustainable economic development are of great significance . PEMFC working process involving an electrochemical reaction, the multicomponent gas transmission , heat transfer, porous media flow and the gas-liquid two-phase flow , other coupled together complex physical and chemical phenomena, but also due to the complexity of the fuel cell structure and size constraints , experimental The data is not easily measured . Therefore, the numerical simulation technology as a necessary complement of experimental technology has become very critical . In this paper, a comprehensive and complete PEMFC three-dimensional , two-phase , steady-state , non-isothermal mathematical model simulation analysis . The model took into account the electrochemical reaction kinetics as well as the reaction gas flow channel and porous media flow and delivery process , the current transfer , heat transfer , water proton exchange membrane electroosmosis and diffusion as well as two-phase flow . Simulation region including the anode current collecting plate and the anode half of the flow channel , the anode gas diffusion layer and a catalyst layer, and a proton exchange membrane . First, the use of computational fluid dynamics software FLUENT and UDF function battery numerical simulation of the audience , to verify the accuracy of the model by comparison with experimental data published in the literature . The model to be able to more fully reflect the transport phenomena within the fuel cell , and accurately describe the battery performance . Based on the model by numerical simulation the DC Road PEMFC comprehensive analysis of different conditions of transport phenomena, battery internal details of the reactants transfer, water transfer, the transmission of the current and the velocity and temperature distribution . Detailed simulation analysis of PEMFC performance influencing factors , including the porosity of the diffusion layer , operating temperature, operating pressure , and anode and cathode humidification temperature .
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