A Case Study Using Hydrogen Fuel Cell as Range Extender for Lithium Battery Electric Vehicle

Shi-Tao Zhi, Ya-Jie Pang, Wen-Wen Wang, Hai-Sheng Zhen () and Zhi-Long Wei ()
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Shi-Tao Zhi: Hainan Institute of Industry, Haikou 570204, China
Ya-Jie Pang: Hainan Institute of Industry, Haikou 570204, China
Wen-Wen Wang: Hainan Institute of Industry, Haikou 570204, China
Hai-Sheng Zhen: The Mechanical and Electrical Engineering College, Hainan University, Haikou 570228, China
Zhi-Long Wei: The Mechanical and Electrical Engineering College, Hainan University, Haikou 570228, China

Energies, 2024, vol. 17, issue 7, 1-11

Abstract: This paper presents a case study of a lithium battery and fuel cell integrated powertrain system for a renewable energy vehicle. The performance analysis includes evaluating the energy consumption of the vehicle and the efficiency of the power generation components. When driven solely by the lithium battery at average speeds of 15 km/h and 20 km/h, it was observed that speed significantly influences the travel distance of the vehicle, with higher speeds resulting in lower mileage. The energy efficiency rates were found to be 89.3% and 85.7% at speeds of 15 km/h and 20 km/h, respectively, indicating an 18.1% decrease in efficiency from low to higher speeds. When the lithium battery is solely charged by the hydrogen fuel cell, the efficiency under test conditions reaches approximately 32.5%. In the “FC + B + SC” driving mode, which combines the use of the lithium battery, fuel cell, and solar panel to power the vehicle, the travel range can be extended to 50.62 km and 42.05 km, respectively, representing an increase of over 50%, with overall efficiencies of 63.8% and 60.7%, respectively. This hybrid powertrain system exhibits rapid dynamic response, high energy and power density, and enables longer travel distances for the renewable energy vehicle.

Keywords: renewable energy vehicle; range extender; energy density; power density; hybrid powertrain (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2024
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