Increasing the driving range of electric vehicles using secondary energies – a review

Tiffany Haas, Michael S. J. Walter, Stefan Weiherer, Alexandru Salceanu

Abstract

The on-going electrification of the mobility sector requires intensive research studies on several topics, such as energy storage systems and electric charging infrastructure as well as sustainable air conditioning. In winter performance losses reduce capacity and range of battery electric vehicles (BEVs) extremely. Furthermore, heating the passenger compartment exacerbates this. Hence,a lot of research is going on, regarding the support of the heating system in BEVs. The subject of this review is the state of the art of air conditioning systems. Alternative energy supplying concepts, which will provide the BEV with secondary, auxiliary energy (heating, cooling, and electricity) are discussed. Fuel operated heaters (FOHs) run by renewable bioethanol seem to make a great prospect to future air conditioning (heating and cooling). Subsequently, a view is given on alternative air conditioning concepts, such as area or layer heaters. Researches show that air conditioning systems have to work more decentralized and directly, saving energy consumptions and thus increase the range. The most promising and explored approaches are discussed. The paper closes with a conclusion and an outlook.

Keywords

battery electric vehicles, air conditioning, heating, cooling, fuel operated heater, secondary energy, renewable energy, bioethanol

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DOI

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IMEKO TC

TC4 - Measurement of Electrical Quantities

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