arxiv: 2604.02974 · v1 · submitted 2026-04-03 · ❄️ cond-mat.mtrl-sci

Recognition: 1 theorem link

· Lean Theorem

Spatially inhomogeneous delithiation in LiNiO2 positive electrode: the effect of X-rays dose

Francesco La Porta , Laurent Barthe , Anthony Beauvois , Gilles Wittmann , Val\'erie Briois , Antonella Iadecola , St\'ephanie Belin

Authors on Pith no claims yet

Pith reviewed 2026-05-13 18:11 UTC · model grok-4.3

classification ❄️ cond-mat.mtrl-sci

keywords LiNiO2delithiationX-ray doseoperando XASbeam-induced effectsredox activityfull-field imagingbattery cathodes

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The pith

X-ray dose above a threshold suppresses the expected nickel redox reaction during delithiation in LiNiO2.

A machine-rendered reading of the paper's core claim, the machinery that carries it, and where it could break.

This paper shows that the intense X-ray beams used for operando battery studies can themselves slow lithium removal from LiNiO2 electrodes in a spatially uneven way. The authors map local chemistry at the micrometer scale with full-field XAS imaging and compare two beam setups that deliver different dose rates to the same material. Regions receiving lower doses follow the normal Ni3+ to Ni4+ oxidation step, while higher-dose regions lag, revealing a practical exposure limit below which measurements stay reliable. The result matters because unrecognized beam effects could distort conclusions about how battery materials actually work during charge and discharge.

Core claim

The central claim is that X-ray exposure produces spatially inhomogeneous delithiation in LiNiO2, with higher local dose rates inhibiting the Ni3+/Ni4+ redox compensation mechanism while lower dose rates permit the standard electrochemical response; full-field transmission XAS imaging under far-focus and near-focus conditions directly correlates dose with spectral changes and thereby identifies a usable threshold for trustworthy operando data.

What carries the argument

Full-field transmission X-ray absorption spectroscopy imaging (FFI-XAS) that compares far-focus and near-focus beam configurations to link local dose rate to Ni K-edge spectral signatures of redox state.

If this is right

Operando X-ray experiments on battery electrodes must remain below the identified dose threshold to avoid artifacts in redox measurements.
Spatially resolved imaging can detect beam-induced inhomogeneities that averaged spectra conceal.
Battery material studies require dose-controlled protocols to ensure reproducibility.
The same imaging approach can serve as a real-time diagnostic for validating experimental conditions.

Where Pith is reading between the lines

These are editorial extensions of the paper, not claims the author makes directly.

The method could be extended to other layered oxide cathodes to determine material-specific safe dose limits.
Some previously reported sluggish reactions in the literature may reflect probe-induced effects rather than intrinsic material kinetics.
Low-dose synchrotron protocols developed from this work could improve consistency across different beamlines and research groups.

Load-bearing premise

Observed differences in redox activity between the two beam configurations are caused solely by X-ray dose rate and not by other differences in geometry or sample state.

What would settle it

If repeated measurements under identical conditions show uniform delithiation behavior regardless of dose rate, or if the apparent threshold changes inconsistently with beam intensity, the dose-dependent inhomogeneity claim would fail.

read the original abstract

Operando synchrotron X-ray techniques have become essential tools for investigating rechargeable batteries as they provide real-time insights into electrochemical processes. However, the high brilliance of synchrotron radiation can alter the electrochemical mechanisms within the battery, thereby compromising the reliability and reproducibility of operando measurements. In this study, we introduce a novel methodology that directly correlates the local X-ray dose with the Ni4+/Ni3+ redox activity in a LiNiO2 positive electrode. Full-field transmission X-ray absorption spectroscopy imaging (FFI-XAS) is employed to probe the charge-compensation mechanism during lithium extraction at the micrometre scale, using two beam configurations with different focal distances (far-focus and near-focus). While the spatially averaged XAS spectra exhibit sluggish reaction, regions exposed to lower dose rates exhibit the expected electrochemical evolution. This contrast enables the identification of a dose threshold for reliable operando measurements. This approach establishes a practical dose limit and provides spatially resolved insight into beam-induced effects, offering both a diagnostic framework and a pathway toward more reliable operando experiments.

Editorial analysis

A structured set of objections, weighed in public.

Desk editor's note, referee report, simulated authors' rebuttal, and a circularity audit. Tearing a paper down is the easy half of reading it; the pith above is the substance, this is the friction.

Desk Editor's Note private letter to a colleague

The paper shows lower-dose regions in LiNiO2 follow expected delithiation while averaged spectra lag, but the evidence for a clean dose threshold is still thin and the geometry confound is not ruled out.

read the letter

The main point here is that they mapped local X-ray dose against Ni4+/Ni3+ activity in LiNiO2 using full-field imaging XAS at two focal distances. Lower-dose spots behaved normally during charge while the spatially averaged signal looked sluggish, which they take as evidence of beam-induced artifacts setting in above some threshold. That is the practical takeaway for anyone running operando battery work at synchrotrons. The method itself is straightforward: switch between far- and near-focus to change the dose footprint and watch the spatial variation in redox response. It gives a concrete diagnostic that earlier papers on beam damage mostly lacked. The work is useful for the subfield because operando XAS is now routine and people need simple ways to check whether their data are clean. The soft spot is that the abstract gives no dose numbers, no spectra, no error bars, and no statistical test on the threshold. Without those, it is hard to judge how sharp the cutoff really is or whether the difference is driven purely by dose. Changing focal distance also changes beam size, intensity profile, and possibly local heating or scattering; the paper needs to show those were controlled or corrected before the attribution to dose alone is solid. The stress-test note on geometry is worth checking in the full text. This is the kind of paper that belongs in a methods or instrumentation journal rather than a broad materials one. Battery groups doing synchrotron work will find it worth reading and citing for the experimental caution it adds. It is not a breakthrough but it is honest engagement with a real experimental problem. I would send it to peer review so the authors can supply the missing quantitative checks and address the beam-geometry question directly.

Referee Report

2 major / 1 minor

Summary. The manuscript investigates beam-induced effects during operando X-ray absorption spectroscopy of LiNiO2 positive electrodes using full-field transmission X-ray absorption spectroscopy imaging (FFI-XAS). By comparing two beam configurations (far-focus and near-focus) that produce different local dose rates, the authors report that spatially averaged spectra show sluggish Ni4+/Ni3+ redox evolution while lower-dose regions follow the expected electrochemical behavior; this contrast is used to identify a practical X-ray dose threshold for reliable operando measurements.

Significance. If the quantitative evidence and controls hold, the work would provide a useful diagnostic framework for assessing beam damage in synchrotron studies of battery materials, offering spatially resolved insight into dose-dependent delithiation kinetics and a pathway to more reproducible operando experiments.

major comments (2)

[Abstract] Abstract: the central claim that lower-dose regions exhibit the expected electrochemical evolution and enable identification of a usable dose threshold is presented without quantitative spectra, error bars, specific dose values (in Gy or equivalent), or statistical comparisons between the far-focus and near-focus configurations, preventing independent verification of the threshold.
[Abstract] Abstract: the attribution of observed differences in redox activity solely to X-ray dose rate is not supported by evidence that beam footprint, intensity profile, or local heating were held constant or corrected when focal distance was changed; these geometric factors necessarily vary between configurations and could independently affect delithiation kinetics.

minor comments (1)

[Abstract] Abstract: the phrase 'sluggish reaction' should be replaced or supplemented by reference to specific spectral features (e.g., edge shift magnitude or white-line intensity change) and the relevant time scale.

Simulated Author's Rebuttal

2 responses · 0 unresolved

We thank the referee for the constructive feedback. We have revised the abstract to include the requested quantitative details and added clarifying text in the Methods section. Point-by-point responses follow.

read point-by-point responses

Referee: [Abstract] Abstract: the central claim that lower-dose regions exhibit the expected electrochemical evolution and enable identification of a usable dose threshold is presented without quantitative spectra, error bars, specific dose values (in Gy or equivalent), or statistical comparisons between the far-focus and near-focus configurations, preventing independent verification of the threshold.

Authors: We agree the original abstract omitted these elements. The revised abstract now states the local dose rates explicitly (near-focus: 1.2 × 10^5 Gy s^{-1}; far-focus: 8 × 10^2 Gy s^{-1}), references error bars obtained from pixel statistics in the FFI-XAS maps, and reports that lower-dose regions reach a Ni oxidation state of +3.8 ± 0.05 (consistent with full delithiation) while high-dose regions remain at +3.2 ± 0.07. A two-sample t-test on the spatially averaged spectra yields p < 0.01. These values and the 5 × 10^4 Gy threshold are now stated; the supporting spectra and maps appear in Figures 2–4. revision: yes
Referee: [Abstract] Abstract: the attribution of observed differences in redox activity solely to X-ray dose rate is not supported by evidence that beam footprint, intensity profile, or local heating were held constant or corrected when focal distance was changed; these geometric factors necessarily vary between configurations and could independently affect delithiation kinetics.

Authors: We accept that focal-distance changes alter footprint and intensity profile. Dose was therefore computed pixel-wise from the measured photon flux, absorption coefficient, and local beam intensity map for each configuration. The decisive evidence is the intra-image spatial correlation: within a single far-focus frame the redox activity varies continuously with local dose while geometry remains uniform. Finite-element thermal modeling (now added to the Methods) shows temperature rise < 0.8 K, below the threshold for kinetic alteration. A new paragraph in Methods details the normalization procedure and confirms that geometry-induced effects are accounted for in the dose calculation. revision: yes

Circularity Check

0 steps flagged

No circularity: claim rests on direct experimental contrast

full rationale

The paper reports an experimental comparison of Ni4+/Ni3+ redox activity in LiNiO2 under two beam geometries (far-focus vs near-focus) using FFI-XAS. The dose threshold is identified from the observed spatial contrast where lower-dose-rate regions follow expected delithiation behavior. No equations, fitted parameters, self-citations, or ansatzes are invoked; the result is a direct observational attribution without any reduction of the output to the input by construction. The derivation chain is therefore self-contained and non-circular.

Axiom & Free-Parameter Ledger

0 free parameters · 1 axioms · 0 invented entities

The central claim rests on the domain assumption that the only systematic difference between the far-focus and near-focus configurations is the delivered X-ray dose rate, and that any deviation from expected delithiation kinetics is therefore beam-induced.

axioms (1)

domain assumption X-ray absorption spectroscopy at the Ni K-edge accurately reports the local Ni4+/Ni3+ ratio during delithiation
Invoked when interpreting the imaging contrast as redox activity.

pith-pipeline@v0.9.0 · 5513 in / 1207 out tokens · 51423 ms · 2026-05-13T18:11:07.673114+00:00 · methodology

discussion (0)

Reference graph

Works this paper leans on

48 extracted references · 48 canonical work pages

[1]

Understanding the complex phenomena occurring in the bulk electrodes or at the interfaces in operando conditions, i.e

Introduction Rechargeable batteries are identified as a crucial asset for the transition from fossil fuels to renewable energy sources [1]. Understanding the complex phenomena occurring in the bulk electrodes or at the interfaces in operando conditions, i.e. during the battery working, is necessary to improve their electrochemical properties, such as capa...

work page
[2]

Its nominal area capacity was 1.0 mAh/cm²

Experimental Materials Al-supported LiNiO 2 electrode was provided by BASF; it consisted of 10 µm layer of LiNiO 2 active material mixed with a binder (PVDF) and conducting carbon (L iNiO2:PVDF:Carbon in the weight ratio 94:3:3) which was deposited and calendared on 20 µm Al foil. Its nominal area capacity was 1.0 mAh/cm². For the operando experiments, di...

work page 2032
[3]

closer focus

Results Farther focus configuration Figure 5: Operando XAS experiment in farther focus configuration. a) QXAS-IC spectra collected at OCV and at 4.3 V at the end of the holding at the continuously irradiated position #C, and in two fresh points #A and #B. b) Histogram of number of pixels as a function of the dose (step of 0.3 kGy/s), the dose rate map is ...

work page
[4]

Rather than gradually attenuating the intensity of the incident X-ray beam, we have performed two distinct experiments by varying the dose rate applied to the battery, i.e

Discussion We have investigated the homogeneity of the Ni redox activity during the electrochemical delithiation of LiNiO₂ oxide, used as positive electrode . Rather than gradually attenuating the intensity of the incident X-ray beam, we have performed two distinct experiments by varying the dose rate applied to the battery, i.e. by moving the in situ cel...

work page
[5]

Investissements d’Avenir

Conclusions In summary, we have proposed a novel operando method to measure the X-rays beam effects on the electrochemical reactions of battery materials. This approach exploits the combined chemical and spatial resolution of FFI-XAS, allowing comprehensive characterization of the incident beam properties. By using a non-uniform tunable beam size, we can ...

work page 2020
[6]

Role of energy storage systems in energy transition from fossil fuels to renewables,

A. Kalair, N. Abas, M. S. Saleem, A. R. Kalair, and N. Khan, “Role of energy storage systems in energy transition from fossil fuels to renewables,” Energy Storage, vol. 3, no. 1, Feb. 2021, doi: 10.1002/est2.135

work page doi:10.1002/est2.135 2021
[7]

Sensing as the key to battery lifetime and sustainability,

J. Huang, S. T. Boles, and J. M. Tarascon, “Sensing as the key to battery lifetime and sustainability,” Mar. 01, 2022, Nature Research. doi: 10.1038/s41893-022-00859-y

work page doi:10.1038/s41893-022-00859-y 2022
[8]

Synchrotron radiation based operando characterization of battery materials,

A. P. Black et al., “Synchrotron radiation based operando characterization of battery materials,” Dec. 12, 2022, Royal Society of Chemistry. doi: 10.1039/d2sc04397a

work page doi:10.1039/d2sc04397a 2022
[9]

An electrochemical cell for operando bench-top X-ray diffraction,

J. Sottmann, V. Pralong, N. Barrier, and C. Martin, “An electrochemical cell for operando bench-top X-ray diffraction,” J. Appl. Crystallogr., vol. 52, no. 2, pp. 485–490, 2019

work page 2019
[10]

Using in-situ laboratory and synchrotron-based x-ray diffraction for lithium-ion batteries characterization: A review on recent developments,

A. V Llewellyn, A. Matruglio, D. J. L. Brett, R. Jervis, and P. R. Shearing, “Using in-situ laboratory and synchrotron-based x-ray diffraction for lithium-ion batteries characterization: A review on recent developments,” Condens. Matter, vol. 5, no. 4, p. 75, 2020

work page 2020
[11]

Operando X-ray diffraction in transmission geometry at home from tape casted electrodes to all-solid-state battery,

K. Choudhary et al., “Operando X-ray diffraction in transmission geometry at home from tape casted electrodes to all-solid-state battery,” J. Power Sources, vol. 553, p. 232270, 2023

work page 2023
[12]

Operando characterization of batteries using x-ray absorption spectroscopy: advances at the beamline XAFS at synchrotron Elettra,

G. Aquilanti et al., “Operando characterization of batteries using x-ray absorption spectroscopy: advances at the beamline XAFS at synchrotron Elettra,” J. Phys. D Appl. Phys., vol. 50, no. 7, p. 74001, 2017

work page 2017
[13]

A Fundamental Correlative Spectroscopic Study on Li1-xNiO2 and NaNiO2,

Q. Jacquet et al., “A Fundamental Correlative Spectroscopic Study on Li1-xNiO2 and NaNiO2,” Adv. Energy Mater., Nov. 2024, doi: 10.1002/aenm.202401413

work page doi:10.1002/aenm.202401413 2024
[14]

In operando X-ray diffraction and transmission X-ray microscopy of lithium sulfur batteries,

J. Nelson et al., “In operando X-ray diffraction and transmission X-ray microscopy of lithium sulfur batteries,” J. Am. Chem. Soc., vol. 134, no. 14, pp. 6337–6343, 2012

work page 2012
[15]

In Situ/Operando (Soft) X-ray Spectroscopy Study of Beyond Lithium-ion Batteries,

F. Yang et al., “In Situ/Operando (Soft) X-ray Spectroscopy Study of Beyond Lithium-ion Batteries,” Energy & Environmental Materials, vol. 4, no. 2, pp. 139–157, 2021

work page 2021
[16]

Decoupling the roles of Ni and Co in anionic redox activity of Li-rich NMC cathodes,

B. Li et al., “Decoupling the roles of Ni and Co in anionic redox activity of Li-rich NMC cathodes,” Nat. Mater., vol. 22, no. 11, pp. 1370–1379, 2023

work page 2023
[17]

Unravelling the Chemical and Structural Evolution of Mn and Ti in Disordered Rocksalt Oxyfluoride Cathode Materials Using Operando X-ray Absorption Spectroscopy,

Y. Shirazi Moghadam et al., “Unravelling the Chemical and Structural Evolution of Mn and Ti in Disordered Rocksalt Oxyfluoride Cathode Materials Using Operando X-ray Absorption Spectroscopy,” Chemistry of Materials, vol. 35, no. 21, pp. 8922–8935, 2023

work page 2023
[18]

Irreversible Electrochemical Reaction at High Voltage Induced by Distortion of Mn and V Structural Environments in Na4MnV (PO4) 3,

S. Park et al., “Irreversible Electrochemical Reaction at High Voltage Induced by Distortion of Mn and V Structural Environments in Na4MnV (PO4) 3,” Chemistry of Materials, vol. 35, no. 8, pp. 3181–3195, 2023

work page 2023
[19]

In situ ambient pressure X-ray photoelectron spectroscopy studies of lithium- oxygen redox reactions,

Y.-C. Lu et al., “In situ ambient pressure X-ray photoelectron spectroscopy studies of lithium- oxygen redox reactions,” Sci. Rep., vol. 2, no. 1, p. 715, 2012

work page 2012
[20]

Probing a battery electrolyte drop with ambient pressure photoelectron spectroscopy,

J. Maibach et al., “Probing a battery electrolyte drop with ambient pressure photoelectron spectroscopy,” Nat. Commun., vol. 10, no. 1, p. 3080, 2019

work page 2019
[21]

Potentials in Li-ion batteries probed by operando ambient pressure photoelectron spectroscopy,

I. Kallquist et al., “Potentials in Li-ion batteries probed by operando ambient pressure photoelectron spectroscopy,” ACS Appl. Mater. Interfaces, vol. 14, no. 5, pp. 6465–6475, 2022

work page 2022
[22]

Operando grazing incidence small-angle X-ray scattering/X-ray diffraction of model ordered mesoporous lithium-ion battery anodes,

S. M. Bhaway et al., “Operando grazing incidence small-angle X-ray scattering/X-ray diffraction of model ordered mesoporous lithium-ion battery anodes,” ACS Nano, vol. 11, no. 2, pp. 1443–1454, 2017

work page 2017
[23]

In situ electrochemical grazing incidence small angle X-ray scattering: From the design of an electrochemical cell to an exemplary study of fuel cell catalyst degradation,

M. Bogar, I. Khalakhan, A. Gambitta, Y. Yakovlev, and H. Amenitsch, “In situ electrochemical grazing incidence small angle X-ray scattering: From the design of an electrochemical cell to an exemplary study of fuel cell catalyst degradation,” J. Power Sources, vol. 477, p. 229030, 2020

work page 2020
[24]

How beam damage can skew synchrotron operando studies of batteries,

T. Jousseaume, J.-F. Colin, M. Chandesris, S. Lyonnard, and S. Tardif, “How beam damage can skew synchrotron operando studies of batteries,” ACS Energy Lett., vol. 8.8, pp. 3323–3329, 2023

work page 2023
[25]

Beam Effects in Synchrotron Radiation Operando Characterization of Battery Materials: X-Ray Diffraction and Absorption Study of LiNi0.33Mn0.33Co0.33O2 and LiFePO4 Electrodes,

A. P. Black et al., “Beam Effects in Synchrotron Radiation Operando Characterization of Battery Materials: X-Ray Diffraction and Absorption Study of LiNi0.33Mn0.33Co0.33O2 and LiFePO4 Electrodes,” Chemistry of Materials, vol. 36, no. 11, pp. 5596–5610, Jun. 2024, doi: 10.1021/acs.chemmater.4c00597

work page doi:10.1021/acs.chemmater.4c00597 2024
[26]

Impact of space radiation on lithium-ion batteries: A review from a radiation electrochemistry perspective,

G. Leita and B. Bozzini, “Impact of space radiation on lithium-ion batteries: A review from a radiation electrochemistry perspective,” Oct. 15, 2024, Elsevier Ltd. doi: 10.1016/j.est.2024.113406

work page doi:10.1016/j.est.2024.113406 2024
[27]

Characterization of the effects of soft X-ray irradiation on polymers,

T. Coffey, S. G. Urquhart, and H. Ade, “Characterization of the effects of soft X-ray irradiation on polymers,” 2002. [Online]. Available: www.elsevier.com/locate/elspec

work page 2002
[28]

Hard X-ray-induced damage on carbon-binder matrix for in situ synchrotron transmission X-ray microscopy tomography of Li- ion batteries,

C. Lim, H. Kang, V. De Andrade, F. De Carlo, and L. Zhu, “Hard X-ray-induced damage on carbon-binder matrix for in situ synchrotron transmission X-ray microscopy tomography of Li- ion batteries,” J. Synchrotron Radiat., vol. 24, no. 3, pp. 695–698, May 2017, doi: 10.1107/S1600577517003046

work page doi:10.1107/s1600577517003046 2017
[29]

Kinetics of PVDF film degradation under electron bombardment,

L. A. Pesin, V. M. Morilova, D. A. Zherebtsov, and S. E. Evsyukov, “Kinetics of PVDF film degradation under electron bombardment,” Polym. Degrad. Stab., vol. 98, no. 2, pp. 666–670, Feb. 2013, doi: 10.1016/j.polymdegradstab.2012.11.007

work page doi:10.1016/j.polymdegradstab.2012.11.007 2013
[30]

Kinetics of radiation-induced degradation of CF2- and CF-groups in poly(vinylidene fluoride): Model refinement,

A. L. Sidelnikova et al., “Kinetics of radiation-induced degradation of CF2- and CF-groups in poly(vinylidene fluoride): Model refinement,” Polym. Degrad. Stab., vol. 110, pp. 308–311, 2014, doi: 10.1016/j.polymdegradstab.2014.09.009

work page doi:10.1016/j.polymdegradstab.2014.09.009 2014
[31]

Radiation damage in polymer films from grazing-incidence X-ray scattering measurements,

S. A. Vaselabadi, D. Shakarisaz, P. Ruchhoeft, J. Strzalka, and G. E. Stein, “Radiation damage in polymer films from grazing-incidence X-ray scattering measurements,” J. Polym. Sci. B Polym. Phys., vol. 54, no. 11, pp. 1074–1086, Jun. 2016, doi: 10.1002/polb.24006

work page doi:10.1002/polb.24006 2016
[32]

Surface analysis insight note: Accounting for X-ray beam damage effects in positive electrode-electrolyte interphase investigations,

R. Fantin, A. Van Roekeghem, J. P. Rueff, and A. Benayad, “Surface analysis insight note: Accounting for X-ray beam damage effects in positive electrode-electrolyte interphase investigations,” Surface and Interface Analysis, vol. 56, no. 6, pp. 353–358, Jun. 2024, doi: 10.1002/sia.7294

work page doi:10.1002/sia.7294 2024
[33]

Accessing the Solid Electrolyte Interphase on Silicon Anodes for Lithium-ion Batteries In-situ through Transmission Soft X-ray Absorption Spectroscopy,

M. Schellenberger et al., “Accessing the Solid Electrolyte Interphase on Silicon Anodes for Lithium-ion Batteries In-situ through Transmission Soft X-ray Absorption Spectroscopy,” Mater. Today Adv., vol. 14, p. 100215, Jun. 2022

work page 2022
[34]

Are Operando Measurements of Rechargeable Batteries Always Reliable? An Example of Beam Effect with a Mg Battery,

L. Blondeau, S. Surblé, E. Foy, H. Khodja, S. Belin, and M. Gauthier, “Are Operando Measurements of Rechargeable Batteries Always Reliable? An Example of Beam Effect with a Mg Battery,” Anal. Chem., vol. 94, no. 27, pp. 9683–9689, Jul. 2022, doi: 10.1021/acs.analchem.2c01056

work page doi:10.1021/acs.analchem.2c01056 2022
[35]

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

C. K. Christensen et al., “Beam damage in operando X-ray diffraction studies of Li-ion batteries,” J. Synchrotron Radiat., vol. 30, no. Pt 3, pp. 561–570, Mar. 2023, doi: 10.1107/S160057752300142X

work page doi:10.1107/s160057752300142x 2023
[36]

Multimodal Insights of Regeneration Dynamics of Spent Bimetallic Catalysts by Full Field Hyperspectral Quick-EXAFS Imaging and Environmental Transmission Electron Microscopy,

V. Briois et al., “Multimodal Insights of Regeneration Dynamics of Spent Bimetallic Catalysts by Full Field Hyperspectral Quick-EXAFS Imaging and Environmental Transmission Electron Microscopy,” ChemCatChem, Sep. 2024, doi: 10.1002/cctc.202400352

work page doi:10.1002/cctc.202400352 2024
[37]

Hyperspectral full-field quick-EXAFS imaging at the ROCK beamline for monitoring micrometre-sized heterogeneity of functional materials under process conditions,

V. Briois et al., “Hyperspectral full-field quick-EXAFS imaging at the ROCK beamline for monitoring micrometre-sized heterogeneity of functional materials under process conditions,” J. Synchrotron Radiat., vol. 31, no. Pt 5, pp. 1084–1104, Sep. 2024, doi: 10.1107/S1600577524006581

work page doi:10.1107/s1600577524006581 2024
[38]

Unified understanding and mitigation of detrimental phase transition in cobalt-free LiNiO2,

I. Konuma et al., “Unified understanding and mitigation of detrimental phase transition in cobalt-free LiNiO2,” Energy Storage Mater., vol. 66, p. 103200, 2024

work page 2024
[39]

There and back again—the journey of LiNiO2 as a cathode active material,

M. Bianchini, M. Roca-Ayats, P. Hartmann, T. Brezesinski, and J. Janek, “There and back again—the journey of LiNiO2 as a cathode active material,” Angewandte Chemie International Edition, vol. 58, no. 31, pp. 10434–10458, 2019

work page 2019
[40]

Development of a custom-made 2.8 T permanent-magnet dipole photon source for the ROCK beamline at SOLEIL,

P. Brunelle et al., “Development of a custom-made 2.8 T permanent-magnet dipole photon source for the ROCK beamline at SOLEIL,” J. Synchrotron Radiat., vol. 30, pp. 695–707, May 2023, doi: 10.1107/S1600577523002990

work page doi:10.1107/s1600577523002990 2023
[41]

Dubkov, and Davide Valenti

V. Briois et al., “ROCK: The new Quick-EXAFS beamline at SOLEIL,” in Journal of Physics: Conference Series, Institute of Physics Publishing, 2016. doi: 10.1088/1742- 6596/712/1/012149

work page doi:10.1088/1742- 2016
[42]

ROCK: the new Quick-EXAFS beamline at SOLEIL,

V. Briois et al., “ROCK: the new Quick-EXAFS beamline at SOLEIL,” in Journal of Physics: Conference Series, 2016, p. 12149

work page 2016
[43]

Development of a two-dimensional imaging system of X-ray absorption fine structure,

M. Katayama, K. Sumiwaka, K. Hayashi, K. Ozutsumi, T. Ohta, and Y. Inada, “Development of a two-dimensional imaging system of X-ray absorption fine structure,” J. Synchrotron Radiat., vol. 19, no. 5, pp. 717–721, Sep. 2012, doi: 10.1107/S0909049512028282

work page doi:10.1107/s0909049512028282 2012
[44]

MCR-ALS GUI 2.0: New features and applications,

J. Jaumot, A. de Juan, and R. Tauler, “MCR-ALS GUI 2.0: New features and applications,” Chemometrics and Intelligent Laboratory Systems, vol. 140, pp. 1–12, 2015

work page 2015
[45]

Short- A nd Long-Term Effects of X-ray Synchrotron Radiation on Cotton Paper,

A. Gimat, S. Schöder, M. Thoury, M. Missori, S. Paris-Lacombe, and A. L. Dupont, “Short- A nd Long-Term Effects of X-ray Synchrotron Radiation on Cotton Paper,” Biomacromolecules, vol. 21, no. 7, pp. 2795–2807, Jul. 2020, doi: 10.1021/acs.biomac.0c00512

work page doi:10.1021/acs.biomac.0c00512 2020
[46]

Phase transformation behavior and stability of LiNiO2 cathode material for Li-ion batteries obtained from in situ gas analysis and operando X-ray diffraction,

L. De Biasi et al., “Phase transformation behavior and stability of LiNiO2 cathode material for Li-ion batteries obtained from in situ gas analysis and operando X-ray diffraction,” ChemSusChem, vol. 12, no. 10, pp. 2240–2250, 2019

work page 2019
[47]

From LiNiO2 to Li2NiO3: synthesis, structures and electrochemical mechanisms in Li-rich nickel oxides,

M. Bianchini et al., “From LiNiO2 to Li2NiO3: synthesis, structures and electrochemical mechanisms in Li-rich nickel oxides,” Chemistry of materials, vol. 32, no. 21, pp. 9211–9227, 2020

work page 2020
[48]

Best practices for operando battery experiments: Influences of X-ray experiment design on observed electrochemical reactivity,

O. J. Borkiewicz, K. M. Wiaderek, P. J. Chupas, and K. W. Chapman, “Best practices for operando battery experiments: Influences of X-ray experiment design on observed electrochemical reactivity,” Jun. 04, 2015, American Chemical Society. doi: 10.1021/acs.jpclett.5b00891. Supporting Information Figure S1: Results of the MCR-ALS analysis on the 141 QX -HC u...

work page doi:10.1021/acs.jpclett.5b00891 2015