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@ARTICLE{VanGestel:255480,
      author       = {Van Gestel, Tim and Sebold, Doris and Buchkremer, Hans
                      Peter},
      title        = {{P}rocessing of 8{YSZ} and {CGO} thin film electrolyte
                      layers for intermediate- and low-temperature {SOFC}s},
      journal      = {Journal of the European Ceramic Society},
      volume       = {35},
      number       = {5},
      issn         = {0955-2219},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier Science},
      reportid     = {FZJ-2015-05642},
      pages        = {1505 - 1515},
      year         = {2015},
      abstract     = {An extensive experimental investigation has been carried
                      out in order to prepare novel thin film electrolytes for
                      enhanced SOFCs. Methods of producing ultra-thin 8 $mol\%$
                      Y2O3-doped ZrO2 (8YSZ) electrolytes (<1 μm) and thin 10
                      $mol\%$ Gd2O3-doped CeO2 (10CGO) electrolytes (∼1 μm) are
                      presented. The method deposits such thin dense films onto a
                      highly porous anode substrate. As opposed to conventional
                      powder deposition techniques, the method involves depositing
                      a dispersion of nanoparticles to achieve a thin-film
                      mesoporous layer. After sintering at 1400 °C, the deposited
                      mesoporous layer becomes a dense thin film with a thickness
                      of ∼1 μm or even thinner. Such thicknesses are
                      significantly below the limit currently achievable with
                      powder deposition techniques (∼10 μm). The electrolyte
                      layer thickness is comparable to the thicknesses found in
                      micro-SOFCs, but here conventional macroporous SOFC
                      substrates are used. Of considerable importance is the use
                      of a spin-coating process, due to its simplicity and the
                      potential ease of further scaling-up. Results from SEM and
                      leakage tests confirmed that the thin-film electrolytes are
                      homogeneous and have a low number of defects after sintering
                      at 1400 °C. The average leak rate for air was 1–2 ×
                      10−5 mbar l s−1 cm−2 for the 8YSZ electrolyte and
                      10−4 mbar l s−1 cm−2 for the 10CGO electrolyte.},
      cin          = {IEK-1},
      ddc          = {660},
      cid          = {I:(DE-Juel1)IEK-1-20101013},
      pnm          = {113 - Methods and Concepts for Material Development
                      (POF3-113)},
      pid          = {G:(DE-HGF)POF3-113},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000348686200017},
      doi          = {10.1016/j.jeurceramsoc.2014.11.017},
      url          = {https://juser.fz-juelich.de/record/255480},
}