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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 ISSN 0378-7753.

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Official URL: https://doi.org/10.1016/j.jpowsour.2018.02.027

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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
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:
DateEvent
1 April 2018Published
22 February 2018Available
10 February 2018Accepted
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 (Creative Commons)
Date of first compliant deposit: 23 February 2018
Date of first compliant Open Access: 23 February 2018
RIOXX Funder/Project Grant:
Project/Grant IDRIOXX Funder NameFunder ID
EP/M009394/1Engineering and Physical Sciences Research Councilhttp://dx.doi.org/10.13039/501100000266
EP/L019469/1Engineering and Physical Sciences Research Councilhttp://dx.doi.org/10.13039/501100000266

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