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Research on On-Board Liquid-Cooled High-Voltage Charging Electrical Connection System for Electric Vehicles
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Weicheng Ci, Yuanzhi Liu, Wei Li, Zhiheng Ren, Haodong Li, Yandong Hao, Yanfang Zhang
Automotive Digest | 2026, (3) : 11 - 17
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Automotive Digest | 2026, (3): 11-17
• Special Topic on New Energy Vehicle Charging Technology •
Research on On-Board Liquid-Cooled High-Voltage Charging Electrical Connection System for Electric Vehicles
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Weicheng Ci, Yuanzhi Liu, Wei Li, Zhiheng Ren, Haodong Li, Yandong Hao, Yanfang Zhang
Affiliations
  • Global R&D Center, China FAW Corporation Limited, Changchun 130013
Published: 2026-03-05 doi: 10.19822/j.cnki.1671-6329.20240166
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In response to the challenges of cost, lightweight design and safety posed to vehicle-side charging connection systems by high-power charging for electric vehicles, the paper proposes an on-board liquid-cooled high-voltage charging connection system scheme. It explores the development of vehicle-side liquid-cooled charging harnesses and components, reusing the vehicle's existing cooling system to dissipate heat. This approach enables the use of small-gauge conductors to achieve a continuous current-carrying capacity exceeding 800 A, meeting megawatt-level charging power demands. The proposed solution not only delivers ultra-high currentcarrying capacity but also fulfills the requirements for low cost and lightweight design in vehicle applications. Coupled with a coordinated charging-cooling control strategy, it significantly reduces electro-thermal safety risks in the vehicle-side charging connection system.

Electric vehicle  /  On-board charge system  /  Liquid-cooled electrical connection
慈伟程, 刘元治, 李威, 任志恒, 李浩东, 郝延冬, 张艳芳. 电动汽车车载液冷高压充电连接系统研究. 汽车文摘, 2026 , (3) : 11 -17 . DOI: 10.19822/j.cnki.1671-6329.20240166
Weicheng Ci, Yuanzhi Liu, Wei Li, Zhiheng Ren, Haodong Li, Yandong Hao, Yanfang Zhang. Research on On-Board Liquid-Cooled High-Voltage Charging Electrical Connection System for Electric Vehicles[J]. Automotive Digest, 2026 , (3) : 11 -17 . DOI: 10.19822/j.cnki.1671-6329.20240166
Year 2026 volume Issue 3
119
30
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doi: 10.19822/j.cnki.1671-6329.20240166
  • Online Date:2026-09-23
  • Published:2026-03-05
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    Global R&D Center, China FAW Corporation Limited, Changchun 130013
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表12种不同金属材料的力学参数
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Family
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Number of
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Number of
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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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