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@INPROCEEDINGS{Meulenberg:907577,
      author       = {Meulenberg, Wilhelm Albert and Baumann, Stefan and Deibert,
                      Wendelin and Wolter, Julia Lucia and Van Gestel, Tim and
                      Guillon, Olivier},
      title        = {{C}eramic {M}embranes for {H}ydrogen {S}eparation from
                      {G}as {M}ixtures},
      reportid     = {FZJ-2022-02089},
      year         = {2021},
      abstract     = {Hydrogen separation from gas mixtures can be realized by
                      dense ceramic membranes or porous membranes. Dense ceramic
                      gas separation membranes usually pass ions through their
                      lattice in a temperature range of 400-900°C. The charge
                      balance also takes place through electron conduction in the
                      membrane. The driving force is the gradient of the partial
                      pressure across the membrane. Single-phase perovskites or
                      fluorites are usually used as mixed conducting materials.
                      Recently, however, dual-phase systems in which an ionically
                      conducting phase is mixed with an electronically conducting
                      phase have been increasingly used. The advantage of this
                      combination is that a large number of very stable material
                      systems is available. In order to ensure a high transport of
                      oxygen or hydrogen, the membranes should be designed as a
                      thin layer on a porous carrier. To reach a high performance
                      of this membrane systems, thin film membranes, active
                      surface layers and thermochemical and -mechanical stable
                      supports with designed porosity are required. Porous
                      membranes separate gases by molecular sieving and adsorption
                      effects. The pore sizes of the so-called microporous
                      membranes are in the range of the kinetic diameters of the
                      gases to be separated, i.e. in the range of approx. 0.2-0.4
                      nm. The carrier of thin film membranes must ensure
                      sufficient mechanical stability and good gas transport. In
                      addition to thermochemical stability under application
                      conditions, no reaction between membrane and substrate
                      material should occur during sintering or operation.Planar,
                      tubular, hollow fibre or honeycomb concepts are used for the
                      membrane design. Depending on the application, the
                      respective designs have specific advantages or
                      disadvantages. Due to the high temperatures, innovative
                      joining concepts are often required. Mostly glass ceramic
                      solders or metallic reactive solders are used.In the
                      application, a distinction can be made between pure gas
                      separation, i.e. the provision of e.g. oxygen or hydrogen,
                      and membrane reactors. In membrane reactors, in addition to
                      gas separation, a chemical reaction takes place on one or
                      both sides of the membrane. The supply of gases can be of
                      interest for power plants, cement, steel or glass plants as
                      well as mobile applications. Membrane reactors can be used
                      to produce basic chemicals or synthetic fuels.},
      month         = {May},
      date          = {2022-05-03},
      organization  = {Aachen Hydrogen Colloquium, Aachen
                       (Germany), 3 May 2022 - 4 May 2022},
      subtyp        = {After Call},
      cin          = {IEK-1 / JARA-ENERGY},
      cid          = {I:(DE-Juel1)IEK-1-20101013 / $I:(DE-82)080011_20140620$},
      pnm          = {1232 - Power-based Fuels and Chemicals (POF4-123)},
      pid          = {G:(DE-HGF)POF4-1232},
      typ          = {PUB:(DE-HGF)6},
      url          = {https://juser.fz-juelich.de/record/907577},
}