期刊
JOURNAL OF POWER SOURCES
卷 130, 期 1-2, 页码 192-201出版社
ELSEVIER
DOI: 10.1016/j.jpowsour.2003.12.061
关键词
fuel economy; hydrogen fuel cell; light-duty vehicles
On the basis of on-road energy consumption, fuel economy (FE) of hydrogen fuel cell light-duty vehicles is projected to be 2.5-2.7 times the fuel economy of the conventional gasoline internal combustion engine vehicles (ICEV) on the same platforms. Even with a less efficient but higher power density 0.6 V per cell than the base case 0.7 V per cell at the rated power point, the hydrogen fuel cell vehicles are projected to offer essentially the same fuel economy multiplier. The key to obtaining high fuel economy as measured on standardized urban and highway drive schedules lies in maintaining high efficiency of the fuel cell (FC) system at low loads. To achieve this, besides a high performance fuel cell stack, low parasitic losses in the air management system (i.e., turndown and part load efficiencies of the compressor-expander module) are critical. (C) 2004 Elsevier B.V. All rights reserved.
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