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Operando laboratory XAS on battery materials using the DANOISE cell in a von H'amos spectrometer.

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Title: Operando laboratory XAS on battery materials using the DANOISE cell in a von H'amos spectrometer.
Authors: Praetz, Sebastian1 sebastian.praetz@tu-berlin.de, Johansen, Morten2, Kober, Delf3, Tesic, Marko1, Schlesiger, Christopher1, Ravnsbæk, Dorthe Bomholdt2, Kanngießer, Birgit1
Source: JAAS (Journal of Analytical Atomic Spectrometry). Sep2025, Vol. 40 Issue 9, p2447-2461. 15p.
Subjects: X-ray absorption near edge structure, Lithium-ion batteries, Storage batteries, Electrodes, X-ray spectrometers, Electrode testing, X-ray absorption spectra
Abstract: This work presents laboratory-based operando X-ray absorption spectroscopy (XAS) measurements on electrodes for rechargeable batteries. Using the "Developed in Aarhus: New Operando In-house Scattering Electrochemical" (DANOISE) cell, operando XAS measurements were performed with two von H'amos spectrometers, optimized for X-ray absorption near edge structure (XANES) and extended X-ray absorption fine structure (EXAFS). Selected battery electrodes, including commercial LiFePO4 (LFP) for Liion batteries and layered transition metal oxides, NaxTMO2 (TM = Fe, Mn), electrodes for Na-ion batteries, were measured to present a proof of principal for the applicability of these spectrometers in battery research. The von H'amos spectrometers used in this study offer a high efficiency and the ability to measure a large spectral bandwidth (up to 1500 eV beyond the edge). Fe K-edge XANES measurements of LFP with an acquisition time of 15 minutes per spectrum successfully captured the transition of Fe species to FePO4 during cycling. Additionally, Mn K-edge XANES measurements on Naion battery materials highlight the challenges associated with Na-ion batteries, particularly due to their higher absorption compared to Li-ion counterparts. Nevertheless, the Mn K-edge was successfully measured, allowing for oxidation state determination in the material. Fe K-edge EXAFS measurements on Na-ion battery materials revealed the transition of Fe species during charging, within an acquisition time of 15 to 25 minutes. [ABSTRACT FROM AUTHOR]
Copyright of JAAS (Journal of Analytical Atomic Spectrometry) is the property of Royal Society of Chemistry and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 187591056
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Operando laboratory XAS on battery materials using the DANOISE cell in a von H'amos spectrometer.
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  Data: <searchLink fieldCode="AR" term="%22Praetz%2C+Sebastian%22">Praetz, Sebastian</searchLink><relatesTo>1</relatesTo><i> sebastian.praetz@tu-berlin.de</i><br /><searchLink fieldCode="AR" term="%22Johansen%2C+Morten%22">Johansen, Morten</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Kober%2C+Delf%22">Kober, Delf</searchLink><relatesTo>3</relatesTo><br /><searchLink fieldCode="AR" term="%22Tesic%2C+Marko%22">Tesic, Marko</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Schlesiger%2C+Christopher%22">Schlesiger, Christopher</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Ravnsbæk%2C+Dorthe+Bomholdt%22">Ravnsbæk, Dorthe Bomholdt</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Kanngießer%2C+Birgit%22">Kanngießer, Birgit</searchLink><relatesTo>1</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22JAAS+%28Journal+of+Analytical+Atomic+Spectrometry%29%22">JAAS (Journal of Analytical Atomic Spectrometry)</searchLink>. Sep2025, Vol. 40 Issue 9, p2447-2461. 15p.
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  Data: <searchLink fieldCode="DE" term="%22X-ray+absorption+near+edge+structure%22">X-ray absorption near edge structure</searchLink><br /><searchLink fieldCode="DE" term="%22Lithium-ion+batteries%22">Lithium-ion batteries</searchLink><br /><searchLink fieldCode="DE" term="%22Storage+batteries%22">Storage batteries</searchLink><br /><searchLink fieldCode="DE" term="%22Electrodes%22">Electrodes</searchLink><br /><searchLink fieldCode="DE" term="%22X-ray+spectrometers%22">X-ray spectrometers</searchLink><br /><searchLink fieldCode="DE" term="%22Electrode+testing%22">Electrode testing</searchLink><br /><searchLink fieldCode="DE" term="%22X-ray+absorption+spectra%22">X-ray absorption spectra</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: This work presents laboratory-based operando X-ray absorption spectroscopy (XAS) measurements on electrodes for rechargeable batteries. Using the "Developed in Aarhus: New Operando In-house Scattering Electrochemical" (DANOISE) cell, operando XAS measurements were performed with two von H'amos spectrometers, optimized for X-ray absorption near edge structure (XANES) and extended X-ray absorption fine structure (EXAFS). Selected battery electrodes, including commercial LiFePO4 (LFP) for Liion batteries and layered transition metal oxides, NaxTMO2 (TM = Fe, Mn), electrodes for Na-ion batteries, were measured to present a proof of principal for the applicability of these spectrometers in battery research. The von H'amos spectrometers used in this study offer a high efficiency and the ability to measure a large spectral bandwidth (up to 1500 eV beyond the edge). Fe K-edge XANES measurements of LFP with an acquisition time of 15 minutes per spectrum successfully captured the transition of Fe species to FePO4 during cycling. Additionally, Mn K-edge XANES measurements on Naion battery materials highlight the challenges associated with Na-ion batteries, particularly due to their higher absorption compared to Li-ion counterparts. Nevertheless, the Mn K-edge was successfully measured, allowing for oxidation state determination in the material. Fe K-edge EXAFS measurements on Na-ion battery materials revealed the transition of Fe species during charging, within an acquisition time of 15 to 25 minutes. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of JAAS (Journal of Analytical Atomic Spectrometry) is the property of Royal Society of Chemistry and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1039/d5ja00155b
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 15
        StartPage: 2447
    Subjects:
      – SubjectFull: X-ray absorption near edge structure
        Type: general
      – SubjectFull: Lithium-ion batteries
        Type: general
      – SubjectFull: Storage batteries
        Type: general
      – SubjectFull: Electrodes
        Type: general
      – SubjectFull: X-ray spectrometers
        Type: general
      – SubjectFull: Electrode testing
        Type: general
      – SubjectFull: X-ray absorption spectra
        Type: general
    Titles:
      – TitleFull: Operando laboratory XAS on battery materials using the DANOISE cell in a von H'amos spectrometer.
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            – D: 01
              M: 09
              Text: Sep2025
              Type: published
              Y: 2025
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              Value: 40
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