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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; Andersen, Bettina Pilgaard; Jakobsen, Christian Lund; Johansen, Morten; Sørensen, Daniel Risskov; Kantor, Innokenty; Jørgensen, Mads Ry Vogel; Ravnsbæk, Dorthe Bomholdt.
Afiliación
  • Christensen CK; Department of Physics, Chemistry and Pharmacy, University of Southern Denmark, Campusvej 55, 5230 Odense M, Denmark.
  • Karlsen MA; Department of Physics, Chemistry and Pharmacy, University of Southern Denmark, Campusvej 55, 5230 Odense M, Denmark.
  • Drejer AØ; Department of Physics, Chemistry and Pharmacy, University of Southern Denmark, Campusvej 55, 5230 Odense M, Denmark.
  • Andersen BP; Department of Chemistry and Centre for Integrated Materials Research (iMAT), Aarhus University, Langelandsgade 140, 8000 Aarhus C, Denmark.
  • Jakobsen CL; Department of Physics, Chemistry and Pharmacy, University of Southern Denmark, Campusvej 55, 5230 Odense M, Denmark.
  • Johansen M; Department of Chemistry and Centre for Integrated Materials Research (iMAT), Aarhus University, Langelandsgade 140, 8000 Aarhus C, Denmark.
  • Sørensen DR; Department of Chemistry and Centre for Integrated Materials Research (iMAT), Aarhus University, Langelandsgade 140, 8000 Aarhus C, Denmark.
  • Kantor I; MAX IV Laboratory, Lund University, Fotongatan 2, SE-221 00 Lund, Sweden.
  • Jørgensen MRV; Department of Chemistry and Centre for Integrated Materials Research (iMAT), Aarhus University, Langelandsgade 140, 8000 Aarhus C, Denmark.
  • Ravnsbæk DB; Department of Chemistry and Centre for Integrated Materials Research (iMAT), Aarhus University, Langelandsgade 140, 8000 Aarhus C, Denmark.
J Synchrotron Radiat ; 30(Pt 3): 561-570, 2023 May 01.
Article en En | MEDLINE | ID: mdl-36952234
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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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: J Synchrotron Radiat Asunto de la revista: RADIOLOGIA Año: 2023 Tipo del documento: Article País de afiliación: Dinamarca Pais de publicación: Estados Unidos
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: J Synchrotron Radiat Asunto de la revista: RADIOLOGIA Año: 2023 Tipo del documento: Article País de afiliación: Dinamarca Pais de publicación: Estados Unidos