Reforming options for hydrogen production from fossil fuels for PEM fuel cells |
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| Affiliation: | 1. TUBITAK Marmara Research Center, Institute of Energy, Gebze, 41470 Kocaeli, Turkey;2. Marmara University Faculty of Engineering, Goztepe, 81040 Istanbul, Turkey;1. Faculty of Engineering and Applied Science, University of Ontario Institute of Technology, 2000 Simcoe Street North, Oshawa, Ontario L1H 7K4, Canada;2. Department of Mechanical Engineering, KFUPM, Dhahran 31261, Saudi Arabia;1. Departamento de Ingeniería Química, Facultad de Ciencias y Tecnologías Químicas, Avenida Camilo José Cela 12, 13005 Ciudad Real, Spain;2. Abengoa Research, C/Energía Solar 1, Palmas Altas, 41014 Sevilla, Spain;1. Department of Mechanical and Aerospace Engineering, Missouri University of Science and Technology, 400 W 13th Street, Rolla, MO 65409-0050, USA;2. Missouri University of Science and Technology, Engineering Management and Systems Engineering, 600 W 14th Street, Rolla, MO 65409-0370, USA;3. Northern Illinois University, Department of Technology and Institute for the Study of the Environment, Sustainability, and Energy, 101 Still Hall, DeKalb, IL 60115, USA;1. Department of Mechanical Engineering, Inha University, 100 Inha-ro, Nam-Gu, Incheon, 22212, Republic of Korea;2. R&D Center, Korea Gas Corporation, 1248 Suin-ro, Sangrok-gu, Ansan-si, Gyeonggi-do, 15328, Republic of Korea;3. Fuel Cell Research Center, Korea Institute of Energy Research, 152 Gajeong-ro, Yuseong-gu, Daejeon, 305-343, Republic of Korea;4. Doosan Corporation Fuel Cell, 75 Jeyakdanji-ro, Hyangnam-eup, Hwaseong-si, Gyeonggi-do, 18608, Republic of Korea;1. Department of Chemical Engineering, National Institute of Technology Calicut, Kozhikode, Kerala, 673601, India;2. Department of Chemical Engineering, Government Engineering College Trichur, Thrissur, Kerala, 680009, India |
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| Abstract: | PEM fuel cell systems are considered as a sustainable option for the future transport sector in the future. There is great interest in converting current hydrocarbon based transportation fuels into hydrogen rich gases acceptable by PEM fuel cells on-board of vehicles. In this paper, we compare the results of our simulation studies for 100 kW PEM fuel cell systems utilizing three different major reforming technologies, namely steam reforming (SREF), partial oxidation (POX) and autothermal reforming (ATR). Natural gas, gasoline and diesel are the selected hydrocarbon fuels. It is desired to investigate the effect of the selected fuel reforming options on the overall fuel cell system efficiency, which depends on the fuel processing, PEM fuel cell and auxiliary system efficiencies. The Aspen-HYSYS 3.1 code has been used for simulation purposes. Process parameters of fuel preparation steps have been determined considering the limitations set by the catalysts and hydrocarbons involved. Results indicate that fuel properties, fuel processing system and its operation parameters, and PEM fuel cell characteristics all affect the overall system efficiencies. Steam reforming appears as the most efficient fuel preparation option for all investigated fuels. Natural gas with steam reforming shows the highest fuel cell system efficiency. Good heat integration within the fuel cell system is absolutely necessary to achieve acceptable overall system efficiencies. |
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