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  • Identifying and Managing Reversible Capacity Losses that Falsify Cycle Ageing Tests of Lithium-ion Cells (Accepted)

    Rights statement: This is an author-created, un-copyedited version of an article accepted for publication/published in Journal of The Electrochemical Society. IOP Publishing Ltd is not responsible for any errors or omissions in this version of the manuscript or any version derived from it. The Version of Record is available online at doi: 10.1149/1945-7111/abbce1

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Communication⇔identifying and managing reversible capacity losses that falsify cycle ageing tests of lithium-ion cells

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Published

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Communication⇔identifying and managing reversible capacity losses that falsify cycle ageing tests of lithium-ion cells. / Burrell, Robert; Zulke, Alana; Keil, Peter et al.
In: Journal of The Electrochemical Society, Vol. 167, No. 13, 130544, 15.10.2020.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Burrell, R, Zulke, A, Keil, P & Hoster, H 2020, 'Communication⇔identifying and managing reversible capacity losses that falsify cycle ageing tests of lithium-ion cells', Journal of The Electrochemical Society, vol. 167, no. 13, 130544. https://doi.org/10.1149/1945-7111/abbce1

APA

Burrell, R., Zulke, A., Keil, P., & Hoster, H. (2020). Communication⇔identifying and managing reversible capacity losses that falsify cycle ageing tests of lithium-ion cells. Journal of The Electrochemical Society, 167(13), Article 130544. https://doi.org/10.1149/1945-7111/abbce1

Vancouver

Burrell R, Zulke A, Keil P, Hoster H. Communication⇔identifying and managing reversible capacity losses that falsify cycle ageing tests of lithium-ion cells. Journal of The Electrochemical Society. 2020 Oct 15;167(13):130544. doi: 10.1149/1945-7111/abbce1

Author

Burrell, Robert ; Zulke, Alana ; Keil, Peter et al. / Communication⇔identifying and managing reversible capacity losses that falsify cycle ageing tests of lithium-ion cells. In: Journal of The Electrochemical Society. 2020 ; Vol. 167, No. 13.

Bibtex

@article{3f418aae5ec54959aa9e02ab86e7aa05,
title = "Communication⇔identifying and managing reversible capacity losses that falsify cycle ageing tests of lithium-ion cells",
abstract = "We report on a cycle ageing study of commercial NCA/Gr+Si cells, in which reversible capacity fluctuations turn a central experimental finding upside down: an upper voltage limit of 4.1 V seems to cause faster degradation than going all the way to 4.2 V. The underlying effect is the reversible loss of lithium inventory into passive anode overhang areas. We demonstrate how the resulting artefact arises from a combination of slow transport processes and the related time periods spent in specific state-of-charge regions. We propose an alternative visualisation tool to identify and manage such artefacts, often neglected in typical ageing studies.",
author = "Robert Burrell and Alana Zulke and Peter Keil and Harry Hoster",
note = "This is an author-created, un-copyedited version of an article accepted for publication/published in Journal of The Electrochemical Society. IOP Publishing Ltd is not responsible for any errors or omissions in this version of the manuscript or any version derived from it. The Version of Record is available online at doi: 10.1149/1945-7111/abbce1 ",
year = "2020",
month = oct,
day = "15",
doi = "10.1149/1945-7111/abbce1",
language = "English",
volume = "167",
journal = "Journal of The Electrochemical Society",
issn = "0013-4651",
publisher = "Electrochemical Society, Inc.",
number = "13",

}

RIS

TY - JOUR

T1 - Communication⇔identifying and managing reversible capacity losses that falsify cycle ageing tests of lithium-ion cells

AU - Burrell, Robert

AU - Zulke, Alana

AU - Keil, Peter

AU - Hoster, Harry

N1 - This is an author-created, un-copyedited version of an article accepted for publication/published in Journal of The Electrochemical Society. IOP Publishing Ltd is not responsible for any errors or omissions in this version of the manuscript or any version derived from it. The Version of Record is available online at doi: 10.1149/1945-7111/abbce1

PY - 2020/10/15

Y1 - 2020/10/15

N2 - We report on a cycle ageing study of commercial NCA/Gr+Si cells, in which reversible capacity fluctuations turn a central experimental finding upside down: an upper voltage limit of 4.1 V seems to cause faster degradation than going all the way to 4.2 V. The underlying effect is the reversible loss of lithium inventory into passive anode overhang areas. We demonstrate how the resulting artefact arises from a combination of slow transport processes and the related time periods spent in specific state-of-charge regions. We propose an alternative visualisation tool to identify and manage such artefacts, often neglected in typical ageing studies.

AB - We report on a cycle ageing study of commercial NCA/Gr+Si cells, in which reversible capacity fluctuations turn a central experimental finding upside down: an upper voltage limit of 4.1 V seems to cause faster degradation than going all the way to 4.2 V. The underlying effect is the reversible loss of lithium inventory into passive anode overhang areas. We demonstrate how the resulting artefact arises from a combination of slow transport processes and the related time periods spent in specific state-of-charge regions. We propose an alternative visualisation tool to identify and manage such artefacts, often neglected in typical ageing studies.

U2 - 10.1149/1945-7111/abbce1

DO - 10.1149/1945-7111/abbce1

M3 - Journal article

AN - SCOPUS:85095418555

VL - 167

JO - Journal of The Electrochemical Society

JF - Journal of The Electrochemical Society

SN - 0013-4651

IS - 13

M1 - 130544

ER -