Hydrogen production with integrated microchannel fuel processor for portable fuel cell systems |
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| Affiliation: | 1. Fuel Cell Research Center, Hydrogen and Fuel Cell Research Department, Korea Institute of Energy Research, 71-2 Jang-dong, Yuseong-gu, Daejeon 305-343, Republic of Korea;2. Conversion Process Research Center, Hydrogen and Fuel Cell Research Department, Korea Institute of Energy Research, 71-2 Jang-dong, Yuseong-gu, Daejeon 305-343, Republic of Korea;3. Department of Energy and Hydrocarbon Chemistry, Graduate School of Engineering, Kyoto University, Nishikyo-ku, Kyoto 615-8510, Japan;1. Laboratory of Catalysis and Chemical Reaction Engineering, National Institute of Chemistry, Hajdrihova 19, SI-1000 Ljubljana, Slovenia;2. HIPOT-RR d.o.o., Šentpeter 18, SI-8222 Otočec, Slovenia;3. Department of Systems and Control, Jožef Stefan Institute, Jamova 39, SI-1000 Ljubljana, Slovenia;1. Department of Aerospace Engineering, Indian Institute of Technology Bombay, Mumbai 400076, India;2. Clean Combustion Research Center, King Abdullah University of Science and Technology (KAUST), Thuwal 23955, Saudi Arabia;1. Pacific Northwest National Laboratory, 902 Battelle Blvd, Richland, WA, 99352, USA;2. The Gene and Linda Voiland School of Chemical Engineering and Bioengineering, Washington State University, Pullman, WA, 99164-6515, USA;1. Department of Mechanical & Electrical Engineering, Xiamen University, Xiamen 361005, China;2. School of Mechanical and Automotive Engineering, South China University of Technology, Guangzhou 510640, China |
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| Abstract: | An integrated microchannel methanol processor was developed by assembling unit reactors, which were fabricated by stacking and bonding microchannel patterned stainless steel plates, including fuel vaporizer, heat exchanger, catalytic combustor and steam reformer. Commercially available Cu/ZnO/Al2O3 catalyst was coated inside the microchannel of the unit reactor for steam reforming. Pt/Al2O3 pellets prepared by ‘incipient wetness’ were filled in the cavity reactor for catalytic combustion. Those unit reactors were integrated to develop the fuel processor and operated at different reaction conditions to optimize the reactor performance, including methanol steam reformer and methanol catalytic combustor. The optimized fuel processor has the dimensions of 60 mm × 40 mm × 30 mm, and produced 450sccm reformed gas containing 73.3% H2, 24.5% CO2 and 2.2% CO at 230–260 °C which can produce power output of 59 Wt. |
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