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Study on the Antifrosting Performance of Superhydrophobic Heat Exchangers for Electric Vehicle Heat Pump System
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Xiangtong Kong1, 2, Tao Liu3, Shuyi Wang4, Longnan Li1, Wei Li1
Automobile Technology | 2023, (8) : 34 - 41
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Automobile Technology | 2023, (8): 34-41
• ※ Special Topic on Safety Technologies of Lithium-Ion Batteries for Electric Vehicles •
Study on the Antifrosting Performance of Superhydrophobic Heat Exchangers for Electric Vehicle Heat Pump System
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Xiangtong Kong1, 2, Tao Liu3, Shuyi Wang4, Longnan Li1, Wei Li1
Affiliations
  • 1 GPL Photonics Laboratory, State Key Laboratory of Luminescence and Applications, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033
  • 2 University of Chinese Academy of Sciences, Beijing 101408
  • 3 Global R&D Center, China FAW Corporation Limited, Changchun 130013
  • 4 Fawer Automotive Parts Company Limited, Changchun 130000
Published: 2023-08-24 doi: 10.19620/j.cnki.1000-3703.20230282
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In order to address the issue of high heating energy consumption in electric vehicles in winter, which affects their driving range, this paper studied the impact of surface wettability on the frosting performance of heat exchangers in electric vehicle heat pump systems. Through microscale quantitative characterization of the condensation and frosting processes on superhydrophobic surfaces, it was found that the coalescence induced droplet jumping phenomenon on superhydrophobic surfaces is an important factor for antifrosting. In order to achieve the effect of inhibiting frosting on full-size heat exchangers, superhydrophobic treatment was carried out on the full size heat exchanger using a hydrothermal method and a low surface energy treatment method. Antifrosting tests under heating condition were conducted, the results show that compared with the untreated original heat exchanger, the superhydrophobic heat exchanger had a frost formation time extension of over 70%, and a reduction of over 40% in the number of defrosting times per unit time.

Superhydrophobic heat exchanger  /  Antifrosting  /  Coalescence induced droplet jumping
Xiangtong Kong, Tao Liu, Shuyi Wang, Longnan Li, Wei Li. Study on the Antifrosting Performance of Superhydrophobic Heat Exchangers for Electric Vehicle Heat Pump System[J]. Automobile Technology, 2023 , (8) : 34 -41 . DOI: 10.19620/j.cnki.1000-3703.20230282
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Article Info
doi: 10.19620/j.cnki.1000-3703.20230282
  • Online Date：2025-12-07
  • Published：2023-08-24
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  • Revised：2023-05-12
Funding
Affiliations
    1 GPL Photonics Laboratory, State Key Laboratory of Luminescence and Applications, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033
    2 University of Chinese Academy of Sciences, Beijing 101408
    3 Global R&D Center, China FAW Corporation Limited, Changchun 130013
    4 Fawer Automotive Parts Company Limited, Changchun 130000
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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