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Predicting the Fuel Economy Impact of “Cold-Start” for Reformed Gasoline Fuel Cell Vehicles
Technical Paper
2003-01-2253
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
Hydrogen fuel cell vehicles (FCVs) appear to be a promising solution for the future of clean and efficient personal transportation. Issues of how to generate the hydrogen and then store it on-board to provide satisfactory driving range must still be resolved before they can compete with conventional vehicles. Alternatively, FCVs could obtain hydrogen from on-board reforming of gasoline or other fuels such as methanol or ethanol. On-board reformers convert fuel into a hydrogen-rich fuel stream through catalytic reactions in several stages. The high temperatures associated with fuel processing present an engineering challenge to warm up the reformer quickly and efficiently in a vehicle environment. Without a special warmup phase or vehicle hybridization, the reformer and fuel cell system must provide all power to move the vehicle, including ¼ power in 30 s, and ½ power in 3 min to satisfy the Federal Test Procedure (FTP) cycle demands. If the reformer cannot meet these performance demands, hybridization can be applied. Battery power and energy requirements for a hybrid reformed gasoline FCV were determined using ADVISOR™ for a range of reformer system warmup durations (10 to 120 s). Finally, the predicted fuel economy impacts attributable to “cold-start” for a range of potential reformer warmup times and fueling rates for a gasoline-reformed FCV on the FTP cycle are analyzed.
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Authors
Topic
Citation
Wipke, K., Markel, A., Haraldsson, K., and Davis, P., "Predicting the Fuel Economy Impact of “Cold-Start” for Reformed Gasoline Fuel Cell Vehicles," SAE Technical Paper 2003-01-2253, 2003, https://doi.org/10.4271/2003-01-2253.Also In
Fuel Cells: Technology, Alternative Fuels, and Fuel Processing
Number: SP-1790; Published: 2003-06-23
Number: SP-1790; Published: 2003-06-23
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