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This is a Quantitative Study study.

September 12, 2025World Electric Vehicle JournalOpen Access

Assessment of Ejector-Expansion Heat Pump Systems with Low GWP Refrigerants for Electric Vehicles

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The ejector-expansion heat pump configuration achieves 10-30% COP improvements compared to conventional systems.
Lifecycle emissions reductions are significant, reaching 9-14% for the SEEHP and 2-11% for the DEEHP versus conventional systems.
R290 refrigerant systems demonstrate the lowest CO2 emissions due to superior COP in key Chinese cities.
The study highlights the potential of ejector technology to enhance the energy efficiency of electric vehicles while minimizing environmental impact.

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Implication

This assessment compares ejector-expansion heat pump systems using low GWP refrigerants, revealing significant improvements in energy efficiency and reduced emissions.

Cite This Study

Zhang et al. (2025) studied this question.

synapsesocial.com/papers/68d44f7331b076d99fa569f6 https://doi.org/10.3390/wevj16090505

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Implication

This assessment compares ejector-expansion heat pump systems using low GWP refrigerants, revealing significant improvements in energy efficiency and reduced emissions.

Assessment of Ejector-Expansion Heat Pump Systems with Low GWP Refrigerants for Electric Vehicles

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Discussion

Implication

Cite This Study

Assessment of Ejector-Expansion Heat Pump Systems with Low GWP Refrigerants for Electric Vehicles

Key Points

Discussion

Implication

Cite This Study

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