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@ARTICLE{SchulzeKppers:154943,
      author       = {Schulze-Küppers, F. and Baumann, S. and Tietz, F. and
                      Bouwmeester, H. J. M. and Meulenberg, W. A.},
      title        = {{T}owards the fabrication of
                      {L}a0.98−x{S}rx{C}o0.2{F}e0.8{O}3−δ perovskite-type
                      oxygen transport membranes},
      journal      = {Journal of the European Ceramic Society},
      volume       = {34},
      number       = {15},
      issn         = {0955-2219},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier Science},
      reportid     = {FZJ-2014-04153},
      pages        = {3741 - 3748},
      year         = {2014},
      abstract     = {La0.98-xSrxCo0.2Fe0.8O3-d (LSCF) is a candidate material
                      for use as an oxygen transport membrane (OTM). In this work,
                      fabrication-relevant properties (sintering behaviour,
                      thermal and chemical expansion) of LSCF (x = 0.2, 0.4, 0.6,
                      0.8) were investigated in order to select the preferred
                      composition for fabricating a thin-film supported membrane
                      able to withstand the thermochemical stresses encountered
                      during manufacturing and operation with simultaneously high
                      oxygen permeation flux. Partial substitution of La by Sr
                      ions in LSCF is beneficial for increasing the oxygen
                      permeation rate, but it causes drawbacks regarding
                      manufacturing and operation. A Sr content of x ≥ 0.6
                      results in a swelling of the material during sintering,
                      which complicates the manufacturing of thin, leak-free
                      membranes. This swelling is related to oxygen release during
                      heating, combined with the formation of a liquid phase above
                      1200 °C. Furthermore, an increase in total strain with Sr
                      content is observed. This is caused by the chemical
                      expansion, while there is no significant change in thermal
                      expansion with increasing Sr content. The compositions x =
                      0.4 and x = 0.6 showed tolerable expansion coefficients as
                      well as adequate sintering behaviour and were therefore
                      selected for the fabrication of thin supported membranes.
                      These supported membranes with a thickness of 30 µm were
                      manufactured by sequential tape casting and characterised
                      regarding microstructure and oxygen flux.},
      cin          = {IEK-1},
      ddc          = {660},
      cid          = {I:(DE-Juel1)IEK-1-20101013},
      pnm          = {122 - Power Plants (POF2-122) / GREEN-CC - Graded Membranes
                      for Energy Efficient New Generation Carbon Capture Process
                      (608524)},
      pid          = {G:(DE-HGF)POF2-122 / G:(EU-Grant)608524},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000340976200032},
      doi          = {10.1016/j.jeurceramsoc.2014.06.012},
      url          = {https://juser.fz-juelich.de/record/154943},
}