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Modification of degradation mechanism identification technique for cell grading
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Mowri, Sadia Tasnim, Barai, Anup, Gupta, Aniruddha and Marco, James (2022) Modification of degradation mechanism identification technique for cell grading. In: 2021 IEEE Vehicle Power and Propulsion Conference (VPPC), Gijon, Spain, 25-28 Oct 2021. Published in: Proceedings of the 2021 IEEE Vehicle Power and Propulsion Conference (VPPC) pp. 1-7. ISBN 9781665405287. ISSN 1938-8756. doi:10.1109/VPPC53923.2021.9699250
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WRAP-modification-degradation-mechanism-identification-technique-Mowri-2022.pdf - Accepted Version - Requires a PDF viewer. Download (1752Kb) | Preview |
Official URL: http://dx.doi.org/10.1109/VPPC53923.2021.9699250
Abstract
The service life of the retired automotive lithium-ion battery (LIB) can be extended through reusing without major changes and reusing through remanufacturing. Reusing through remanufacturing at the module level likely outweigh remanufacturing at the cell level and reusing without major changes. To remanufacture a battery pack, cells/modules are required to be graded and cells/modules in a remanufactured pack needs to be at identical state. The current approach utilises cell/module capacity i.e. State of Health (SoH), to grade the cells/modules at the end of first life. However, the only capacity may not be enough to match the cells/modules; how the cells/modules have been degraded (degradation mechanism, DM) may play a vital role in defining their performance in second life. However, the existing DM detection techniques are not designed to grade the cells/modules at the end of the first life. In this paper, a modified DM detection process is proposed. Here, the proposed modified DM detection process is verified by applying them to the degradation experimental results. Employing the proposed modified DM detection method, cells at same SoH at the end of first life can be graded based on their DM.
| Item Type: | Conference Item (Paper) | ||||||
|---|---|---|---|---|---|---|---|
| Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | ||||||
| Journal or Publication Title: | Proceedings of the 2021 IEEE Vehicle Power and Propulsion Conference (VPPC) | ||||||
| ISBN: | 9781665405287 | ||||||
| ISSN: | 1938-8756 | ||||||
| Book Title: | 2021 IEEE Vehicle Power and Propulsion Conference (VPPC) | ||||||
| Official Date: | 10 February 2022 | ||||||
| Dates: |
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| Page Range: | pp. 1-7 | ||||||
| DOI: | 10.1109/VPPC53923.2021.9699250 | ||||||
| Status: | Peer Reviewed | ||||||
| Publication Status: | Published | ||||||
| Reuse Statement (publisher, data, author rights): | © 2021 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. | ||||||
| Access rights to Published version: | Restricted or Subscription Access | ||||||
| Copyright Holders: | IEEE | ||||||
| Conference Paper Type: | Paper | ||||||
| Title of Event: | 2021 IEEE Vehicle Power and Propulsion Conference (VPPC) | ||||||
| Type of Event: | Conference | ||||||
| Location of Event: | Gijon, Spain | ||||||
| Date(s) of Event: | 25-28 Oct 2021 |
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