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Energy crisis has become a serious global problem, and Proton exchange membrane fuel cell (PEMFC) has played an important role in the solution of the energy crisis. The hydrogen production process by dimethyl ether steam reforming for PEMFC was studied. The yield of H2 and energy efficiency of system with different mass ratios (0.3:0.7, 0.35:0.65, 0.4:0.6) of dimethyl ether (DME) and steam were analyzed, and both of yield of H2 and energy efficiency of system increased with the increase of the mass ratio of DME and steam. The energy efficiency of hydrogen production system using reactor as heat source and hydrogen production system using engine exhaust gas as heat source is compared, and energy efficiency of using reactor as heat source (57.96117%, 63.89651%, 69.0002%) is higher than that using engine exhaust gas as heat source (54.4913%, 60.11311%, 66.25342%).

Simulation and Analysis of Hydrogen Production by Dimethyl Ether Steam Reforming for PEMFC