Novel coolants for enhanced thermal performance in electric vehicle immersion cooling systems
The performance of battery electric drives in plug-in electric vehicles (EVs) is affected by the power density and efficiency of the EV battery thermal system (BTMS), the batteries’ heating and cooling system. Innovative coolants have the potential to increase the cooling effect and reduce pump losses compared to current lithium–ion battery cooling systems. The EU-funded I-BAT project aims to synthesise and characterise mineral oil-based coolants with optimal rheological and thermal properties suitable for EV BTMSs. The novel fluids, consisting of a viscoelastic liquid carrier matrix with suspended nanoparticles, will enhance heat transfer rates in immersion cooling systems. The project’s work may lead to improvements that will revolutionise the EV sector.
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