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Feasibility assessment of differential voltage analysis to detect lithium plating in battery modules for electric vehicles
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Somasundaran, Nithin, Saniee, Nessa Fereshteh, Dinh, Truong Quang and Marco, James (2022) Feasibility assessment of differential voltage analysis to detect lithium plating in battery modules for electric vehicles. In: 2022 25th International Conference on Mechatronics Technology (ICMT), Kaohsiung, Taiwan, 18-21 Nov 2022. Published in: 2022 25th International Conference on Mechatronics Technology (ICMT) pp. 1-6. ISBN 9781665461955. doi:10.1109/ICMT56556.2022.9997689
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Official URL: http://doi.org/10.1109/ICMT56556.2022.9997689
Abstract
Fast charging of Lithium-ion battery modules can lead to accelerated ageing caused by Lithium plating. The open-circuit voltage profile during post-charge relaxation has been utilized used to detect the onset of Li plating, while devising fast charging strategies. Yet the scope of this method is predominantly evaluated and utilized only for cells in open circuit. Cells in a module are not ideally in open circuit, and there exist balancing currents within the module after charging. The extension of this method to battery modules, with cells connected in parallel is presented in this article. The experiments conducted on individual cells and module, the results obtained, and analysis is presented in detail. The effectiveness of differential voltage profile or relaxation profile analysis for identifying Li plating and stripping characteristics for cells in parallel are highlighted.
Item Type: | Conference Item (Paper) | ||||||
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Subjects: | T Technology > TJ Mechanical engineering and machinery T Technology > TK Electrical engineering. Electronics Nuclear engineering T Technology > TL Motor vehicles. Aeronautics. Astronautics |
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | ||||||
Library of Congress Subject Headings (LCSH): | Lithium ion batteries , Lead-acid batteries , Mechatronics , Electric vehicles -- Batteries , High voltages | ||||||
Journal or Publication Title: | 2022 25th International Conference on Mechatronics Technology (ICMT) | ||||||
Publisher: | IEEE | ||||||
ISBN: | 9781665461955 | ||||||
Book Title: | 2022 25th International Conference on Mechatronics Technology (ICMT) | ||||||
Official Date: | 30 December 2022 | ||||||
Dates: |
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Page Range: | pp. 1-6 | ||||||
DOI: | 10.1109/ICMT56556.2022.9997689 | ||||||
Status: | Peer Reviewed | ||||||
Publication Status: | Published | ||||||
Access rights to Published version: | Restricted or Subscription Access | ||||||
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Conference Paper Type: | Paper | ||||||
Title of Event: | 2022 25th International Conference on Mechatronics Technology (ICMT) | ||||||
Type of Event: | Conference | ||||||
Location of Event: | Kaohsiung, Taiwan | ||||||
Date(s) of Event: | 18-21 Nov 2022 |
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