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@ARTICLE{Kehne:863231,
      author       = {Kehne, P. and Guhl, C. and Ma, Qianli and Tietz, F. and
                      Alff, L. and Hausbrand, R. and Komissinskiy, P.},
      title        = {{E}lectrochemical {P}erformance of {A}ll-{S}olid-{S}tate
                      {S}odium-{I}on {M}odel {C}ells with {C}rystalline {N}a x
                      {C}o{O} 2 {T}hin-{F}ilm {C}athodes},
      journal      = {Journal of the Electrochemical Society},
      volume       = {166},
      number       = {3},
      issn         = {1945-7111},
      address      = {Pennington, NJ},
      publisher    = {Electrochemical Soc.},
      reportid     = {FZJ-2019-03321},
      pages        = {A5328 - A5332},
      year         = {2019},
      abstract     = {A common way to improve the electrochemical performance of
                      the NaxCoO2 thin-film cathodes is to increase their
                      crystallinity. Here we present our study of the
                      electrochemical performance of all-solid-state sodium ion
                      batteries with NaxCoO2 thin-film cathodes having two
                      different degrees of crystallinity tuned by their
                      post-deposition annealing at 700°C. The NaxCoO2 cathode
                      thin-films were grown by pulsed laser deposition onto a bulk
                      Na3.4Sc0.4Zr1.6(SiO4)2(PO4) (Nasicon) solid electrolyte
                      substrates and assembled with sodium metal into a Swagelok
                      battery cells. Cells with the low-crystalline NaxCoO2
                      cathodes show discharge capacities of up to 124 mAh g−1
                      over 800 charge/discharged cycles. However, cells with
                      highly crystalline NaxCoO2 cathodes revealed a significant
                      capacity loss down to 9 mAh g−1 and a pronounced increase
                      of the overpotential from 100 to 890 mV during the 200
                      cycles. The observed loss in capacity can be attributed to a
                      strong increase of the interface resistance between the
                      highly crystalline annealed NaxCoO2 films and Nasicon during
                      cycling.},
      cin          = {IEK-1},
      ddc          = {660},
      cid          = {I:(DE-Juel1)IEK-1-20101013},
      pnm          = {131 - Electrochemical Storage (POF3-131)},
      pid          = {G:(DE-HGF)POF3-131},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000455866100001},
      doi          = {10.1149/2.0491903jes},
      url          = {https://juser.fz-juelich.de/record/863231},
}