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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
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 | |||||||||
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| Subjects: | Q Science > QC Physics T Technology > T Technology (General) T Technology > TL Motor vehicles. Aeronautics. Astronautics |
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| 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: |
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| 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: |
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