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@ARTICLE{Fehse:878371,
      author       = {Fehse, Marcus and Bessas, Dimitrios and Mahmoud,
                      Abdelfattah and Diatta, Aliou and Hermann, Raphael P. and
                      Stievano, Lorenzo and Sougrati, Moulay Tahar},
      title        = {{T}he {F}e4+/3+ redox mechanism in {N}a{F}e{O}2: {A}
                      simultaneous operando {N}uclear {R}esonance and {X}‐ray
                      {S}cattering study},
      journal      = {Batteries $\&$ supercaps},
      volume       = {3},
      number       = {12},
      issn         = {2566-6223},
      address      = {Weinheim},
      publisher    = {Wiley-VCH},
      reportid     = {FZJ-2020-02811},
      pages        = {1341-1349},
      year         = {2020},
      abstract     = {Simultaneous operando Nuclear Forward Scattering and
                      transmission X‐ray diffraction and 57Fe Mössbauer
                      spectroscopy measurements were carried out in order to
                      investigate the electrochemical mechanism of NaFeO2 vs. Na
                      metal using a specifically designed in situ cell. The
                      obtained data were analysed using an alternative and
                      innovative data analysis approach based on chemometric tools
                      such as Principal Component Analysis (PCA) and Multivariate
                      Curve Resolution ‐ Alternating Least Squares (MCR‐ALS).
                      This approach, which allows the unbiased extraction of all
                      possible information from the operando data, enabled the
                      stepwise reconstruction of the independent “real”
                      components permitting the description of the desodiation
                      mechanism of NaFeO2. This wealth of information allows a
                      clear description of the electrochemical reaction at the
                      redox‐active iron centres, and thus an improved
                      comprehension of the cycling mechanisms of this material vs.
                      sodium.},
      cin          = {JCNS-2 / PGI-4 / JARA-FIT},
      ddc          = {620},
      cid          = {I:(DE-Juel1)JCNS-2-20110106 / I:(DE-Juel1)PGI-4-20110106 /
                      $I:(DE-82)080009_20140620$},
      pnm          = {144 - Controlling Collective States (POF3-144) / 524 -
                      Controlling Collective States (POF3-524) / 6212 - Quantum
                      Condensed Matter: Magnetism, Superconductivity (POF3-621) /
                      6213 - Materials and Processes for Energy and Transport
                      Technologies (POF3-621) / 6G4 - Jülich Centre for Neutron
                      Research (JCNS) (POF3-623)},
      pid          = {G:(DE-HGF)POF3-144 / G:(DE-HGF)POF3-524 /
                      G:(DE-HGF)POF3-6212 / G:(DE-HGF)POF3-6213 /
                      G:(DE-HGF)POF3-6G4},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000568462400001},
      doi          = {10.1002/batt.202000157},
      url          = {https://juser.fz-juelich.de/record/878371},
}