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@ARTICLE{Ortmann:972096,
      author       = {Ortmann, Till and Burkhardt, Simon and Eckhardt, Janis
                      Kevin and Fuchs, Till and Ding, Ziming and Sann, Joachim and
                      Rohnke, Marcus and Ma, Qianli and Tietz, Frank and
                      Fattakhova-Rohlfing, Dina and Kübel, Christian and Guillon,
                      Olivier and Heiliger, Christian and Janek, Jürgen},
      title        = {{K}inetics and {P}ore {F}ormation of the {S}odium {M}etal
                      {A}node on {NASICON}‐{T}ype {N}a 3.4 {Z}r 2 {S}i 2.4 {P}
                      0.6 {O} 12 for {S}odium {S}olid‐{S}tate {B}atteries},
      journal      = {Advanced energy materials},
      volume       = {13},
      number       = {5},
      issn         = {1614-6832},
      address      = {Weinheim},
      publisher    = {Wiley-VCH},
      reportid     = {FZJ-2023-01064},
      pages        = {2202712},
      year         = {2023},
      abstract     = {In recent years, many efforts have been made to introduce
                      reversible alkali metal anodes using solid electrolytes in
                      order to increase the energy density of next-generation
                      batteries. In this respect, Na3.4Zr2Si2.4P0.6O12 is a
                      promising solid electrolyte for solid-state sodium
                      batteries, due to its high ionic conduc-tivity and apparent
                      stability versus sodium metal. The formation of a
                      kinetically stable interphase in contact with sodium metal
                      is revealed by time-resolved impedance analysis, in situ
                      X-ray photoelectron spectroscopy, and transmis-sion electron
                      microscopy. Based on pressure- and temperature-dependent
                      impedance analyses, it is concluded that the
                      Na|Na3.4Zr2Si2.4P0.6O12 interface kinetics is dominated by
                      current constriction rather than by charge transfer.
                      Cross-sections of the interface after anodic dissolution at
                      various mechanical loads visualize the formed pore structure
                      due to the accumulation of vacancies near the interface. The
                      temporal evolution of the pore morphology after anodic
                      dissolution is monitored by time-resolved impedance
                      analysis. Equilibration of the interface is observed even
                      under extremely low external mechanical load, which is
                      attributed to fast vacancy diffusion in sodium metal, while
                      equilibra-tion is faster and mainly caused by creep at
                      increased external load. The pre-sented information provides
                      useful insights into a more profound evaluation of the
                      sodium metal anode in solid-state batteries.},
      cin          = {IEK-1},
      ddc          = {050},
      cid          = {I:(DE-Juel1)IEK-1-20101013},
      pnm          = {1223 - Batteries in Application (POF4-122)},
      pid          = {G:(DE-HGF)POF4-1223},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000903048700001},
      doi          = {10.1002/aenm.202202712},
      url          = {https://juser.fz-juelich.de/record/972096},
}