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A new method to perform lithium-ion battery pack fault diagnostics – Part 3 : adaptation for fast charging
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Singh, Anubhav, Lodge, Andrew, Li, Yi, Widanage, Widanalage Dhammika and Barai, Anup (2023) A new method to perform lithium-ion battery pack fault diagnostics – Part 3 : adaptation for fast charging. Journal of Energy Storage, 66 . 107424. doi:10.1016/j.est.2023.107424 ISSN 2352-152X.
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Official URL: https://doi.org/10.1016/j.est.2023.107424
Abstract
Electric Vertical Take-Off and Landing (eVTOL) aircraft are expected to become ubiquitous in the future Urban Air Mobility (UAM) landscape. Several eVTOL aircraft propelled using Lithium-ion batteries are under development. However, despite the early spotlight, the manufacturers need to ensure safe long-term operation of the vehicles including strict checks on battery-related hazards. On the other hand, fast charging of eVTOL batteries is crucial to enable multiple flights per day and justify the economics of UAM. This work is aimed at contextualising
battery safety for eVTOL through the modification of a battery fault diagnosis algorithm for fast charging. The algorithm was developed in Parts 1 and 2 of the paper to use the charging cycle data for detecting disconnection faults but tested only for low charging currents. This paper adapts the algorithm for fast charging through a novel technique termed as Partial Incremental Capacity (PIC). The PIC method was developed using experiments at single cell and supercell level before integrating it into the algorithm. Finally, the fault detection ability of the adapted algorithm was validated using a real-life eVTOL battery module. Thus, the updated version of the algorithm facilitates fault diagnosis while charging fast, making it ideal for implementation in eVTOL
Item Type: | Journal Article | ||||||||
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Subjects: | 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 , Lithium ion batteries -- Design and construction, Electric airplanes , Storage batteries, Battery chargers | ||||||||
Journal or Publication Title: | Journal of Energy Storage | ||||||||
Publisher: | Elsevier | ||||||||
ISSN: | 2352-152X | ||||||||
Official Date: | 30 August 2023 | ||||||||
Dates: |
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Volume: | 66 | ||||||||
Article Number: | 107424 | ||||||||
DOI: | 10.1016/j.est.2023.107424 | ||||||||
Status: | Peer Reviewed | ||||||||
Publication Status: | Published | ||||||||
Access rights to Published version: | Open Access (Creative Commons) | ||||||||
Date of first compliant deposit: | 26 April 2023 | ||||||||
Date of first compliant Open Access: | 26 April 2023 | ||||||||
RIOXX Funder/Project Grant: |
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