@article{e3949dc8a573446db39f7efba7784486,
title = "Correlative non-destructive techniques to investigate aging and orientation effects in automotive Li-ion pouch cells",
abstract = "The growing demand for electric vehicles (EVs) continues to raise concern for the disposal of lithium-ion batteries reaching their end of life (EoL). The cells inside EVs age differently depending on multiple factors. Yet, following extraction, there are significant challenges with characterizing degradation in cells that have been aged from real-world EV usage. We employed four non-destructive techniques—infrared thermography, ultrasonic mapping, X-ray tomography, and synchrotron X-ray diffraction—to analyze the aging of Nissan Leaf large-format pouch cells that were arranged in different orientations and locations within the pack. The combination of these methods provided complementary insights into cell degradation, with rotated/vertically aligned cells exhibiting distinct aging patterns compared with flat/horizontally aligned cells. These findings offer valuable information for pack design and demonstrate how cost-effective non-destructive techniques can provide practical assessment capabilities comparable to synchrotron studies. This approach enables decision support during EoL, enhancing battery production efficiency and minimizing material waste.",
keywords = "automotive Li-ion pouch cell, electric vehicle, aging, infrared thermal imaging, ultrasound acoustic measurement, X-ray tomography, deep learning, synchrotron X-ray diffraction",
author = "Arthur Fordham and Zoran Milojevic and Emily Giles and Wenjia Du and Rhodri Owen and Stefan Michalik and Phil Chater and Prodip Das and Pierrot Attidekou and Simon Lambert and Phoebe Allan and Peter Slater and Paul Anderson and Rhodri Jervis and Paul Shearing and Dan Brett",
note = "Acknowledgments: This work was part of ReLiB (https://relib.org.uk/), LiStar (https://www.listar.ac.uk/), SafeBatt (https://www.safebatt.ac.uk/), and CatMat (https://catmatproject.com/) Faraday Institution projects (grant numbers EP/S003053/1, FIRG027, FIRG014, FIRG028, and FIRG026). Diamond Light Source is acknowledged for time on Beamline I12-JEEP under proposal MG27719. The Royal Academy of Engineering is acknowledged for the financial support of P.R. Shearing (CiET1718∖59) and D.J.L.B. (RCSRF2021/13/53) under the Chair in Emerging Technologies and Research Chairs scheme. D.J.L.B. acknowledges the National Physical Laboratory (NPL) and HORIBA MIRA for the support of his RAEng Research Chair.",
year = "2023",
month = nov,
day = "15",
doi = "10.1016/j.joule.2023.10.011",
language = "English",
volume = "7",
pages = "2622--2652",
journal = "Joule",
issn = "2542-4351",
publisher = "Elsevier",
number = "11",
}