operando XRD
TiSnSb a new efficient negative electrode for Li-ion batteries: mechanism investigations by operando-XRD and Mossbauer techniques
... complementary operando XRD and M €ossbauer spectroscopy measurements, it was shown that during the first discharge the TiSnSb undergoes a conversion process leading simultaneously to the formation of Li–Sb ...
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Phase transformation and amorphization upon alloys magnesiation: combining operando X-Ray diffraction and X-Ray Absorption Spectroscopy
... from operando X-Ray diffraction (XRD) and X-Ray Absorption Spectrosopy (XAS), we further characterized in-depth the electrochemical behavior of InSb to understand its peculiar ...performance. ...
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Abnormal operando structural behavior of sodium battery material: influence of dynamic on phase diagram of NaxFePO4
... electrolyte. All voltages given in the following text are reported vs. Na + /Na 0 . A fully intercalated NaFePO 4 compound-based electrode was obtained from the FePO 4 one upon discharge to 2V at C/50 and subsequent ...
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Operando XAFS and XRD Study of a Prussian Blue Analogue Cathode Material: Iron Hexacyanocobaltate
... for operando XRD and XAFS, respectively, by considering 1C rate equals to the current needed to insert one equivalent of Li-ion per formula unit (in the charged state) in one hour, thus a theoretical ...
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Insights on the Electrochemical Magnesiation of InSb from Combined Operando X-ray Diffraction and X-ray Absorption Spectroscopy
... from operando X-Ray diffraction (XRD) and X-Ray Absorption Spectrosopy (XAS), we further characterized in-depth the peculiar electrochemical behavior of ...InSb. Operando XRD measurements ...
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Insights on the electrochemical magnesiation of InSb from combined $operando$ X- Ray diffraction and X-Ray Absorption Spectroscopy
... from operando X-Ray diffraction (XRD) and X-Ray Absorption Spectrosopy (XAS), we further characterized in-depth the peculiar electrochemical behavior of ...InSb. Operando XRD measurements ...
3
Spinel materials for Li-ion batteries: new insights obtained by operando neutron and synchrotron X-ray diffraction
... for operando diffraction studies on Li-ion batteries, focusing mainly on the great prospects of neutrons and synchrotron ...by operando neutron powder diffraction, unveiling several subtle details about the ...
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Unravelling lithiation mechanisms of iron trifluoride by operando X-ray absorption spectroscopy and MCR-ALS chemometric tools
... broad: as exemplified around 32° and 55°, peaks appearing as doublets in the theoretical diffractograms appear as singlets in experimental results due to this broadening. Moreover, no peak could be observed above 60° due ...
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Operando decoding of chemical and thermal events in commercial Na(Li)-ion cells via optical sensors
... Measurement and deconvolution of the optical signals in these FBG sensor enable identification of electrochemically driven thermal and pressure variations linked to parasitic (electro-)chemical reactions (e.g., SEI) and ...
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Breakaway characterization of Zircaloy-4 oxidized in steam and in oxygen at high temperatures using HT- XRD analysis
... The decrease in the total tetragonal phase fraction observed by the authors comes from the fact that after a certain time only monoclinic oxide grows. Since in this study the tetragonal phase fraction near the external ...
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Application of inverse models and XRD analysis to the determination of Ti-17 beta-phase Coefficients of Thermal Expansion
... Keywords: Coefficients of thermal expansion (CTE); X-ray diffraction (XRD); Multi-phases materials; Titanium alloy; Self-consistent scale transition model 1. Introduction Ti-17 (Ti–5Al–2Sn–2Zr–4Mo–4Cr) is a ...
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Unveiling Pseudocapacitive Charge Storage Behavior in FeWO 4 Electrode Material by Operando X‐Ray Absorption Spectroscopy
... same, at less than 0.1 eV, corresponding to a change of ± 0.02 in Fe mean oxidation state. This finding supports the pseudocapacitive behavior hypothesized for this multicationic oxide. [10a] At such a high measurement ...
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Elucidating the origin of superior electrochemical cycling performance: new insights on sodiation–desodiation mechanism of SnSb from operando spectroscopy
... the operando processes, only the first coordination shell is visible due to the amorphous nature of the samples, with the notable exception of pristine SnSb where also the second coordination shell is ...
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A new null matrix electrochemical cell for Rietveld refinements of in-situ or operando neutron powder diffraction data
... 11 A sequential refinement of the operando diffraction patterns was also performed, involving all the recorded patterns. In this case the structural parameters were fixed and only scale factors were permitted to ...
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Comprehensive investigation of the Na3V2(PO4)2F3–NaV2(PO4)2F3 system by operando high resolution synchrotron x-ray diffraction
... diffraction scans continuously every 5 min. Operando synchrotron radiation diffraction measurements were performed at the MSPD beamline 44 of the ALBA synchrotron in Cerdanyola del Valles, Spain. Transmission ...
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V^IV disproportionation upon sodium extraction from Na3V2(PO4)2F3 observed by operando x-ray absorption spectroscopy and solid-state NMR
... by operando synchrotron X-ray diffraction revealing an unexpected structural feature for the end member ...an operando X-ray absorption spectroscopy at vanadium K-edge during the electrochemical extraction ...
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The Electrochemical Sodiation of Sb Investigated by Operando X-ray Absorption and 121 Sb Mössbauer Spectroscopy: What Does One Really Learn?
... The operando EXAFS spectra were first globally analysed using a statistical tool named Principal Component Analysis (PCA) using the computer program Matlab [ 17 ] PCA is a chemometric factor analysis tool, and is ...
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Operando investigation of the lithium/sulfur battery system by coupled X-ray absorption tomography and X-ray diffraction computed tomography
... XRDCT and absorption tomography thus give completely consistent results, and confirm that sulfur particles are randomly distributed in the electrode, with the same less dense region visible in the right part of the ...
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Operando hard X-ray photoelectron spectroscopy study of the Pt/Ru/PbZr$_{0.52}$Ti$_{0.48}$O$_3$ interface
... situ photoemission analysis while applying bias to the capacitor. Hard X-rays probe the buried interface between the top electrode and the ferroelectric PZT. The use of operando conditions reveals a ...
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Resistive switching in a LaMnO 3 + δ /TiN memory cell investigated by operando hard X-ray photoelectron spectroscopy
... for studying interface polarization in piezoelectric oxide-based high-density capacitors. [30] In the present contribution, we study the case of LMO memristive devices grown on platinized silicon and covered by TiN, a ...
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