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An insight into the errors and uncertainty of the lithium-ion battery characterisation experiments
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Taylor, James, Barai, Anup, Rajan, Ashwin T., Guo, Yue, Amor-Segan, Mark and Marco, James (2019) An insight into the errors and uncertainty of the lithium-ion battery characterisation experiments. Journal of Energy Storage, 40 . 100761. doi:10.1016/j.est.2019.100761 ISSN 2352-152X.
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WRAP-insight-errors-uncertainty-lithium-ion-battery-characterisation-experiments-Barai-2019.pdf - Accepted Version - Requires a PDF viewer. Available under License Creative Commons Attribution Non-commercial No Derivatives 4.0. Download (1346Kb) | Preview |
Official URL: https://doi.org/10.1016/j.est.2019.100761
Abstract
Errors and uncertainty within the experimental results have long-term implications in lithium-ion battery research. Experimental directly feed into the development of different battery models, thus having a direct impact on the accuracy of the models, which are commonly employed to forecast short to long term battery performance. The estimations made by such models underpin the design of key functions within the BMS, such as state of charge and state of health estimation. Therefore, erroneous experimental results could evolve into a much larger issue such as the early retirement of a battery pack from the end-use application. For original equipment manufacturers (OEM), such as automotive OEMs this may have a significant impact, e.g. high warranty returns and damage to the brand. Although occasionally reported in published results, currently, little research exists within the literature to systematically define the error and uncertainty of battery experimental results. This article focuses on the fundamental sources of error and uncertainty from experimental setup and procedure and suggests control measures to remove or minimize the contributions from the sources identified. Our research shows that by implementing the control measures proposed, the error and uncertainty can be reduced to around 0.6%, from the figure of around 4.0%.
| 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 | ||||||||||||||||||
| Journal or Publication Title: | Journal of Energy Storage | ||||||||||||||||||
| Publisher: | Elsevier | ||||||||||||||||||
| ISSN: | 2352-152X | ||||||||||||||||||
| Official Date: | August 2019 | ||||||||||||||||||
| Dates: |
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| Volume: | 40 | ||||||||||||||||||
| Article Number: | 100761 | ||||||||||||||||||
| DOI: | 10.1016/j.est.2019.100761 | ||||||||||||||||||
| Status: | Peer Reviewed | ||||||||||||||||||
| Publication Status: | Published | ||||||||||||||||||
| Access rights to Published version: | Restricted or Subscription Access | ||||||||||||||||||
| Date of first compliant deposit: | 8 May 2019 | ||||||||||||||||||
| Date of first compliant Open Access: | 8 May 2020 | ||||||||||||||||||
| RIOXX Funder/Project Grant: |
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