Name: Supplementary Information The Relationship Between Mn Oxidation State Changes and Oxygen Reduction Activity in (La,Ca)MnO3 as Probed by In Situ XAS and XES

Description: Percentage of peroxide formation during the ORR; Mn XANES of references; calibration plot for the determination of the average Mn oxidation state from the edge positions; Mn K-edge XANES and k3-weighted χ and k3-weighted Fourier transform EXAFS data and fits for the pellets; k3-weighted χ data and k3-weighted Fourier transform EXAFS data and fits for the dry electrodes; k3-weighted χ data and k3-weighted Fourier transform EXAFS data and fits for the data collected at 1.4 V;k3-weighted χ and k3-weighted Fourier transform EXAFS data and first shell fits for the data collected at different potentials; HERFD-XANES spectra at the Kβ1,3 line of the reference compounds; Mn Kβ XES spectra of references; linear combination fits of the Mn Kβ XES spectra of the data collected at different potentials; ex situ X-ray powder diffraction measured before and after electrochemistry; cyclic voltammograms of the LaMnO3 and CaMnO3 electrodes before and after the AST; k3-weighted χ data and k3-weighted Fourier transform EXAFS data and fits for the data collected after AST; ex situ X-ray powder diffraction measured before and after AST; XRD patterns of the as-synthesized oxides; representative TEM of synthesized oxide nanoparticles; and schematic view of the I20-scanning branch of the Diamond Light Source

DOI:

Location: https://pubs.acs.org/doi/suppl/10.1021/acscatal.1c00997/suppl_file/cs1c00997_si_001.pdf

Resository: https://pubs.acs.org

Start date: 2021-05-16 00:00:00 UTC

End date:

Related Article: Relationship between Mn Oxidation State Changes and Oxygen Reduction Activity in (La,Ca)MnO3 as Probed by In Situ XAS and XES

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