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Research on Low Temperature Energy Consumption of Electric Vehicles Based on Energy Flow Analysis
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Di Liu1, 2, Xinyu Teng1, 2, Guohua Zhang1, 2, Zhicheng Fu3, Shichang Ma3
Automobile Technology | 2023, (8) : 42 - 47
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Automobile Technology | 2023, (8): 42-47
• ※ Special Topic on Safety Technologies of Lithium-Ion Batteries for Electric Vehicles •
Research on Low Temperature Energy Consumption of Electric Vehicles Based on Energy Flow Analysis
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Di Liu1, 2, Xinyu Teng1, 2, Guohua Zhang1, 2, Zhicheng Fu3, Shichang Ma3
Affiliations
  • 1 Beijing CATARC Science and Technology Center Co., Ltd., Beijing 100000
  • 2 China Automotive Technology and Research Center Co., Ltd., Beijing 100000
  • 3 National Active Distribution Network Technology Research Center (NANTEC), Beijing Jiaotong University, Beijing 100044
Published: 2023-08-24 doi: 10.19620/j.cnki.1000-3703.20221203
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In order to explore the energy loss and component efficiency of Electric Vehicle (EV) at low-temperature, so as to optimize the energy structure of EVs, this paper considered 2 common use scenarios and designed 2 test conditions, namely one-time complete driving test and intermittent multiple driving test. The energy flow test was carried out under the conditions of -10 ℃ and -20 ℃, and the energy flow analysis model was established. In this paper, the efficiency and energy consumption features of major components, such as power batteries at low temperatures, were quantitatively analyzed. It has been found that the high energy consumption of electric heaters and the limited battery recycling ability are the main factors leading to the reduction of the low-temperature driving range of EVs.

Electric vehicle  /  Energy flow  /  Energy consumption  /  Low temperature  /  China Light-duty vehicle Test Cycle-Passenger (CLTC-P)
Di Liu, Xinyu Teng, Guohua Zhang, Zhicheng Fu, Shichang Ma. Research on Low Temperature Energy Consumption of Electric Vehicles Based on Energy Flow Analysis[J]. Automobile Technology, 2023 , (8) : 42 -47 . DOI: 10.19620/j.cnki.1000-3703.20221203
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doi: 10.19620/j.cnki.1000-3703.20221203
  • Online Date：2025-12-07
  • Published：2023-08-24
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  • Revised：2023-02-01
Funding
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    1 Beijing CATARC Science and Technology Center Co., Ltd., Beijing 100000
    2 China Automotive Technology and Research Center Co., Ltd., Beijing 100000
    3 National Active Distribution Network Technology Research Center (NANTEC), Beijing Jiaotong University, Beijing 100044
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https://castjournals.cast.org.cn/joweb/qcjs/EN/10.19620/j.cnki.1000-3703.20221203
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