Integration of Hybrid Energy System in Vehicle


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The main purpose of this paper is to integrate and apply hydrogen-oxygen fuel cells as the major power system, which is combined with the auxiliary power system of a lead-acid battery in the hybrid fuel cell vehicles, and design and modify vehicle structure and a transmission system in order to improve stability and controllability. Furthermore, this study designs an appropriate power control system to increase vehicle travel time, reduce power consumption, and finally, integrate the hydrogen storage system into the power source of hybrid fuel cell vehicles for the development of energy-saving carbon-free transport vehicles. In general road surface driving tests, a low-pressure metallic hydrogen storage tank under the pressure of 0.5bar is used to provide 10g of hydrogen gas fuel to a 200W hydrogen-oxygen fuel cell stack as the major power source, and the auxiliary power source of two serially connected 12V 1.5Ah lead-acid batteries is used. The total weight of the hybrid hydrogen-oxygen fuel cell power system is 1.3 kg. In the general road surface test of a hybrid hydrogen-oxygen fuel cell vehicle, the average driving speed is 11km/hr, the motor consumption power is 45W, and the travel time is 90 minutes. The hydrogen-oxygen fuel cell vehicle is equipped with a three-stage gear box, and is able to automatically shift to the desired gear. The maximum driving speed can be up to 20km/hr, with motor power consumption of 90W.



Edited by:

Dongye Sun, Wen-Pei Sung and Ran Chen






J. Y. Chang et al., "Integration of Hybrid Energy System in Vehicle", Applied Mechanics and Materials, Vols. 121-126, pp. 2794-2798, 2012

Online since:

October 2011




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