Beam damage in operando X-ray diffraction studies of Li-ion batteries

Christian Kolle Christensen; Martin Aaskov Karlsen; Andreas Østergaard Drejer; Bettina Pilgaard Andersen; Christian Lund Jakobsen; Morten Johansen; Daniel Risskov Sørensen; Innokenty Kantor; Mads Ry Vogel Jørgensen; Dorthe Bomholdt Ravnsbæk

doi:10.1107/S160057752300142X

Beam damage in operando X-ray diffraction studies of Li-ion batteries

Christian Kolle Christensen, Martin Aaskov Karlsen, Andreas Østergaard Drejer, Bettina Pilgaard Andersen, Christian Lund Jakobsen, Morten Johansen, Daniel Risskov Sørensen, Innokenty Kantor, Mads Ry Vogel Jørgensen, Dorthe Bomholdt Ravnsbæk^*

^*Corresponding author af dette arbejde

Institut for Kemi

Publikation: Bidrag til tidsskrift/Konferencebidrag i tidsskrift /Bidrag til avis › Tidsskriftartikel › Forskning › peer review

14 Citationer (Scopus)

Abstract

Operando powder X-ray diffraction (PXRD) is a widely employed method for the investigation of structural evolution and phase transitions in electrodes for rechargeable batteries. Due to the advantages of high brilliance and high X-ray energies, the experiments are often carried out at synchrotron facilities. It is known that the X-ray exposure can cause beam damage in the battery cell, resulting in hindrance of the electrochemical reaction. This study investigates the extent of X-ray beam damage during operando PXRD synchrotron experiments on battery materials with varying X-ray energies, amount of X-ray exposure and battery cell chemistries. Battery cells were exposed to 15, 25 or 35 keV X-rays (with varying dose) during charge or discharge in a battery test cell specially designed for operando experiments. The observed beam damage was probed by µPXRD mapping of the electrodes recovered from the operando battery cell after charge/discharge. The investigation reveals that the beam damage depends strongly on both the X-ray energy and the amount of exposure, and that it also depends strongly on the cell chemistry, i.e. the chemical composition of the electrode.

Originalsprog	Engelsk
Tidsskrift	Journal of Synchrotron Radiation
Vol/bind	30
Nummer	Part 3
Sider (fra-til)	561-570
Antal sider	10
ISSN	0909-0495
DOI	https://doi.org/10.1107/S160057752300142X
Status	Udgivet - maj 2023

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abstract = "Operando powder X-ray diffraction (PXRD) is a widely employed method for the investigation of structural evolution and phase transitions in electrodes for rechargeable batteries. Due to the advantages of high brilliance and high X-ray energies, the experiments are often carried out at synchrotron facilities. It is known that the X-ray exposure can cause beam damage in the battery cell, resulting in hindrance of the electrochemical reaction. This study investigates the extent of X-ray beam damage during operando PXRD synchrotron experiments on battery materials with varying X-ray energies, amount of X-ray exposure and battery cell chemistries. Battery cells were exposed to 15, 25 or 35 keV X-rays (with varying dose) during charge or discharge in a battery test cell specially designed for operando experiments. The observed beam damage was probed by µPXRD mapping of the electrodes recovered from the operando battery cell after charge/discharge. The investigation reveals that the beam damage depends strongly on both the X-ray energy and the amount of exposure, and that it also depends strongly on the cell chemistry, i.e. the chemical composition of the electrode.",

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Beam damage in operando X-ray diffraction studies of Li-ion batteries. / Christensen, Christian Kolle; Karlsen, Martin Aaskov; Drejer, Andreas Østergaard et al.
I: Journal of Synchrotron Radiation, Bind 30, Nr. Part 3, 05.2023, s. 561-570.

Publikation: Bidrag til tidsskrift/Konferencebidrag i tidsskrift /Bidrag til avis › Tidsskriftartikel › Forskning › peer review

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AU - Jakobsen, Christian Lund

AU - Johansen, Morten

AU - Sørensen, Daniel Risskov

AU - Kantor, Innokenty

AU - Jørgensen, Mads Ry Vogel

AU - Ravnsbæk, Dorthe Bomholdt

N1 - open access.

PY - 2023/5

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N2 - Operando powder X-ray diffraction (PXRD) is a widely employed method for the investigation of structural evolution and phase transitions in electrodes for rechargeable batteries. Due to the advantages of high brilliance and high X-ray energies, the experiments are often carried out at synchrotron facilities. It is known that the X-ray exposure can cause beam damage in the battery cell, resulting in hindrance of the electrochemical reaction. This study investigates the extent of X-ray beam damage during operando PXRD synchrotron experiments on battery materials with varying X-ray energies, amount of X-ray exposure and battery cell chemistries. Battery cells were exposed to 15, 25 or 35 keV X-rays (with varying dose) during charge or discharge in a battery test cell specially designed for operando experiments. The observed beam damage was probed by µPXRD mapping of the electrodes recovered from the operando battery cell after charge/discharge. The investigation reveals that the beam damage depends strongly on both the X-ray energy and the amount of exposure, and that it also depends strongly on the cell chemistry, i.e. the chemical composition of the electrode.

AB - Operando powder X-ray diffraction (PXRD) is a widely employed method for the investigation of structural evolution and phase transitions in electrodes for rechargeable batteries. Due to the advantages of high brilliance and high X-ray energies, the experiments are often carried out at synchrotron facilities. It is known that the X-ray exposure can cause beam damage in the battery cell, resulting in hindrance of the electrochemical reaction. This study investigates the extent of X-ray beam damage during operando PXRD synchrotron experiments on battery materials with varying X-ray energies, amount of X-ray exposure and battery cell chemistries. Battery cells were exposed to 15, 25 or 35 keV X-rays (with varying dose) during charge or discharge in a battery test cell specially designed for operando experiments. The observed beam damage was probed by µPXRD mapping of the electrodes recovered from the operando battery cell after charge/discharge. The investigation reveals that the beam damage depends strongly on both the X-ray energy and the amount of exposure, and that it also depends strongly on the cell chemistry, i.e. the chemical composition of the electrode.

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Beam damage in operando X-ray diffraction studies of Li-ion batteries

Abstract

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