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Optimisation of direct battery thermal management for EVs operating in low-temperature climates

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Jeffs, James, Dinh, Truong Quang, Widanage, Widanalage Dhammika, McGordon, Andrew and Picarelli, Alessandro (2020) Optimisation of direct battery thermal management for EVs operating in low-temperature climates. Energies, 13 (22). 5980. doi:10.3390/en13225980

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Official URL: http://dx.doi.org/10.3390/en13225980

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Abstract

Electric vehicles (EVs) experience a range reduction at low temperatures caused by the impact of cabin heating and a reduction in lithium ion performance. Heat pump equipped vehicles have been shown to reduce heating ventilation and air conditioning (HVAC) consumption and improve low ambient temperature range. Heating the electric battery, to improve its low temperature performance, leads to a reduction in heat availability for the cabin. In this paper, dynamic programming is used to find the optimal battery heating trajectory which can optimise the vehicle’s control for either cabin comfort or battery performance and, therefore, range. Using the strategy proposed in this research, a 6.2% increase in range compared to no battery heating and 5.5% increase in thermal comfort compared to full battery heating was achieved at an ambient temperature at −7 ∘C.

Item Type: Journal Article
Subjects: Q Science > QC Physics
T Technology > T Technology (General)
T Technology > TL Motor vehicles. Aeronautics. Astronautics
Divisions: Faculty of Science > WMG (Formerly the Warwick Manufacturing Group)
Library of Congress Subject Headings (LCSH): Electric vehicles, Electric vehicles -- Batteries -- Cooling, Heat -- Transmission , Dynamic programming
Journal or Publication Title: Energies
Publisher: M.D.P.I.A.G.
ISSN: 1996-1073
Official Date: 16 November 2020
Dates:
DateEvent
16 November 2020Published
10 November 2020Accepted
Date of first compliant deposit: 17 November 2020
Volume: 13
Number: 22
Article Number: 5980
DOI: 10.3390/en13225980
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Open Access
RIOXX Funder/Project Grant:
Project/Grant IDRIOXX Funder NameFunder ID
EP/M507593[EPSRC] Engineering and Physical Sciences Research Councilhttp://dx.doi.org/10.13039/501100000266
UNSPECIFIEDJaguar Land Rover (Firm)http://viaf.org/viaf/305209406

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