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Systematic derivation and validation of a reduced thermal-electrochemical model for lithium-ion batteries using asymptotic methods
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Brosa Planella, Ferran, Sheikh, Muhammad and Widanage, Widanalage Dhammika (2021) Systematic derivation and validation of a reduced thermal-electrochemical model for lithium-ion batteries using asymptotic methods. Electrochimica Acta, 388 . 138524. doi:10.1016/j.electacta.2021.138524 ISSN 0013-4686.
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Official URL: https://doi.org/10.1016/j.electacta.2021.138524
Abstract
The widely used Doyler-Fuller-Newman (DFN) model for lithium-ion batteries is too computationally expensive for certain applications, which has motivated the appearance of a plethora of simpler models. These models are usually posed in an ad hoc manner, leading to inconsistencies with the DFN model and to multiple formulations of the same model, with the Single Particle Model (SPM) being a very good example of the latter. In this work, we discuss the concept of SPM-type models showing that, despite the multiple formulations found in the literature, these models always follow the same structure, and we extend this discussion to models accounting for thermal effects. Then, we present a Thermal Single Particle Model with electrolyte (TSPMe) derived in a systematic manner using asymptotic techniques. The validation of the TSPMe against a thermal DFN model shows very high accuracy with a computational cost over forty times smaller. The comparison against experimental data shows that the model does a reasonable job predicting the behaviour of a real battery, but a very good parameter set is required to obtain accurate predictions.
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, Lithium ion batteries -- Effect of temperature on, Storage batteries -- Protection, Power electronics | ||||||||||||
Journal or Publication Title: | Electrochimica Acta | ||||||||||||
Publisher: | Pergamon | ||||||||||||
ISSN: | 0013-4686 | ||||||||||||
Official Date: | 20 August 2021 | ||||||||||||
Dates: |
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Volume: | 388 | ||||||||||||
Article Number: | 138524 | ||||||||||||
DOI: | 10.1016/j.electacta.2021.138524 | ||||||||||||
Status: | Peer Reviewed | ||||||||||||
Publication Status: | Published | ||||||||||||
Access rights to Published version: | Open Access (Creative Commons) | ||||||||||||
Date of first compliant deposit: | 5 May 2021 | ||||||||||||
Date of first compliant Open Access: | 20 May 2021 | ||||||||||||
RIOXX Funder/Project Grant: |
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