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A systematic approach for electrochemical-thermal modelling of a large format lithium-ion battery for EV application
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Hosseinzadeh , Elham, Genieser, Ronny, Worwood, Daniel, Barai, Anup, Marco, James and Jennings, P. A. (Paul A.) (2018) A systematic approach for electrochemical-thermal modelling of a large format lithium-ion battery for EV application. Journal of Power Sources, 382 . pp. 77-94. doi:10.1016/j.jpowsour.2018.02.027
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Official URL: https://doi.org/10.1016/j.jpowsour.2018.02.027
Abstract
A 1D electrochemical-thermal model is developed to characterise the behaviour of a 53 Ah large format pouch cell with LiNixMnyCo1-x-yO2 (NMC) chemistry over a wide range of operating conditions, including: continuous charge (0.5C-2C), continuous discharge (0.5C-5C) and operation of the battery within an electric vehicle (EV) over an urban drive-cycle (WLTP Class 3) and for a high performance EV being driven under track racing conditions. The 1D model of one electrode pair is combined with a 3D thermal model of a cell to capture the temperature distribution at the cell scale. Performance of the model is validated for an ambient temperature range of 5°C–45°C. Results highlight that battery performance is highly dependent on ambient temperature. By decreasing the ambient temperature from 45 °C to 5 °C, the available energy drops by 17.1% and 7.8% under 0.5C and 5C discharge respectively. Moreover, the corresponding power loss is found to be: 5.23% under the race cycle as compared with 7.57% under the WLTP drive cycle. Formulation of the model is supported by a comprehensive set of experiments, for quantifying key parameters and for model validation. The full parameter-set for the model is provided ensuring the model is a valuable resource to underpin further research.
| Item Type: | Journal Article | |||||||||
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| Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering | |||||||||
| Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | |||||||||
| Library of Congress Subject Headings (LCSH): | Lithium ion batteries , Electric vehicles | |||||||||
| Journal or Publication Title: | Journal of Power Sources | |||||||||
| Publisher: | Elsevier S.A. | |||||||||
| ISSN: | 0378-7753 | |||||||||
| Official Date: | 1 April 2018 | |||||||||
| Dates: |
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| Volume: | 382 | |||||||||
| Page Range: | pp. 77-94 | |||||||||
| DOI: | 10.1016/j.jpowsour.2018.02.027 | |||||||||
| Status: | Peer Reviewed | |||||||||
| Publication Status: | Published | |||||||||
| Access rights to Published version: | Open Access | |||||||||
| RIOXX Funder/Project Grant: |
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