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Accelerated internal resistance measurements of lithium-ion cells to support future end-of-life strategies for electric vehicles
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Grandjean, Thomas R. B., Groenewald, Jakobus, McGordon, Andrew, Widanage, Widanalage Dhammika and Marco, James (2018) Accelerated internal resistance measurements of lithium-ion cells to support future end-of-life strategies for electric vehicles. Batteries, 4 (4). 49. doi:10.3390/batteries4040049 ISSN 2313-0105.
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WRAP-accelerated-internal-resistance-lithium-ion-electric-vehicles-Grandjean-2018.pdf - Published Version - Requires a PDF viewer. Available under License Creative Commons Attribution 4.0. Download (3004Kb) | Preview |
Official URL: http://dx.doi.org/10.3390/batteries4040049
Abstract
Industrial and academic communities have embarked on investigating the sustainability of vehicles that contain embedded electrochemical energy storage systems. Circular economy strategies for electric vehicle (EV) or hybrid electric vehicle (HEV) battery systems are underpinned by implicit assumptions about the state of health (SOH) of the battery. The internal resistance of battery systems is the essential property for determining available power, energy efficiency, and heat generation. Consequently, precise measurement is crucial to estimate the SOH; however, the international standards and best practice guides that exist to define the measurements include long preconditioning and rest times that make the test duration prohibitive. The aim of this research is to critically evaluate whether test duration times for internal resistance measurements can be reduced to values that may facilitate further end-of-life (EOL) options. Results reveal a newly developed technique using pulse-multisines is two to four times faster to perform when compared to the standard protocol whilst maintaining accuracy for battery electric vehicle (BEV) and HEV cells, respectively. This novel method allows different stakeholders to rank the relative importance of test accuracy verses experimental test time when categorising used Li-ion cells for different EOL applications. View Full-Text
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, Electric vehicles, Hybrid electric vehicles | ||||||
Journal or Publication Title: | Batteries | ||||||
Publisher: | M D P I AG | ||||||
ISSN: | 2313-0105 | ||||||
Official Date: | 4 October 2018 | ||||||
Dates: |
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Volume: | 4 | ||||||
Number: | 4 | ||||||
Article Number: | 49 | ||||||
DOI: | 10.3390/batteries4040049 | ||||||
Status: | Peer Reviewed | ||||||
Publication Status: | Published | ||||||
Access rights to Published version: | Open Access (Creative Commons) | ||||||
Date of first compliant deposit: | 5 October 2018 | ||||||
Date of first compliant Open Access: | 8 October 2018 | ||||||
RIOXX Funder/Project Grant: |
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