Thermal management of batteries in electric vehicles (EVs) and hybrid electric vehicles (HEVs) is essential to operate them effectively in all climates. This has been recognized in the designing battery modules and packs for pre-production prototype or production EVs and HEVs. Designs are evolving and various issues are being addressed. There are trade-offs between performance, functionality, volume, mass, cost, maintenance, and safety. In this paper, the authors will review some of the issues and associated solutions for battery thermal management and what information is needed for proper design of battery management systems. The authors discuss such topics as active cooling versus passive cooling, liquid cooling versus air cooling, cooling and heating versus cooling only systems, relative need of thermal management for VRLA, NiMH, and Li-Ion batteries. Generally, for parallel HEVs, an air thermal management system is adequate, whereas for EVs and series HEVs, liquid-based systems may be required for optimum thermal performance. NiMH batteries require a more elaborate thermal management system than Li Ion and VRLA batteries. Li Ion batteries also need a good thermal management system because of safety and low temperature performance concerns.


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    Title :

    Battery thermal management in EVs and HEVs: issues and solutions


    Additional title:

    Wärmemanagement der Batterien in Elektro- und Hybridfahrzeugen: Auswirkungen und Lösungen


    Contributors:


    Publication date :

    2001


    Size :

    10 Seiten, 5 Bilder, 1 Tabelle, 8 Quellen


    Remarks:

    (nicht paginiert)


    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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