Advancements in a low global warming potential refrigerants for enhanced thermal management in electric vehicle air conditioning

Advancements in a low global warming potential refrigerants for enhanced thermal management in electric vehicle air conditioning

This article proposes an effective thermal management solution for electric vehicles by incorporating a low global warming potential (GWP) hybrid refrigerant R1234ze(E)/R134a/R32 (with a mass percentage of 85/10/5). By integrating R1234ze(E), the potential of substituting R134a with this mixed refri...

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Veröffentlicht in:International journal of low carbon technologies 2024-08, Vol.19, p.2136-2142
Hauptverfasser: Dong, Suiju, Huo, Ziheng, Liu, Yin, Zhai, Saina, Ding, Chuangchuang, Yang, Jingxing, Fu, Pengwei, Meng, Zhaofeng
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container_issue
container_start_page 2136
container_title International journal of low carbon technologies
container_volume 19
creator Dong, Suiju
Huo, Ziheng
Liu, Yin
Zhai, Saina
Ding, Chuangchuang
Yang, Jingxing
Fu, Pengwei
Meng, Zhaofeng
description This article proposes an effective thermal management solution for electric vehicles by incorporating a low global warming potential (GWP) hybrid refrigerant R1234ze(E)/R134a/R32 (with a mass percentage of 85/10/5). By integrating R1234ze(E), the potential of substituting R134a with this mixed refrigerant in electric vehicle air conditioning for thermal analysis was analyzed. The findings are that R1234ze(E) exhibits a COP reduction of 0.51% compared to R134a, while R1234ze(E)/R134a/R32 showcases a coefficient of performance (COP) enhancement of 1.53% over R134a. The compressor exhaust temperatures of R1234ze(E) and R1234ze(E)/R134a/R32 are, respectively, 7.4°C and 5.2°C lower than those of R134a. R1234ze(E) demonstrates a volumetric cooling capacity ~26.3% smaller than that of R134a. However, the volumetric cooling capacity of R1234ze(E)/R134a/R32 aligns closely with R134a, facilitating convenient direct charging. R1234ze(E)/R134a/R32 proves to be an excellent refrigerant for applications in the thermal management of electric vehicles.
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title Advancements in a low global warming potential refrigerants for enhanced thermal management in electric vehicle air conditioning
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