cars by night

Sunamp - Thermal Storage in Electric Vehicles

One possibility to reduce energy consumption of EVs in winter is to use alternative heat sources for cabin heating. Sunamp uses latent heat storage “thermal batteries” for this task… different phase change material (PCM) melting points allow usage for heating and cooling. In this project we investigated potentials for PCMs supporting heat pumps. We also investigated how annual energy consumption is influenced in different global locations. In cold climates (e.g. Toronto or Berlin) even moderately sized PCMs allow saving more than 40% of heating energy compared to PTC-only scenarios… and more than 15% compared to conventional heat pump systems

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