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@INPROCEEDINGS{Daudt:885555,
      author       = {Daudt, Natalia and Hackemüller, Franz Josef and Bram,
                      Martin},
      title        = {{P}orous {T}ransport {L}ayers {M}ade of {N}iobium/{S}teel
                      {C}omposites for {W}ater {E}lectrolysis},
      reportid     = {FZJ-2020-03926},
      pages        = {4848310},
      year         = {2020},
      abstract     = {In future energy concepts, water splitting by polymer
                      electrolyte membrane (PEM) electrolysis is a key technology
                      for converting regenerative energy from wind or sun into
                      hydrogen. In this study, a novel porous transport layer for
                      PEM electrolysis units was developed, which is based on a
                      stainless steel substrate coated with a porous Nb layer. Nb
                      layer is expected to improve the electrochemical performance
                      and lifetime of electrolysis cells due to formation of a
                      stable passivation layer with good electrical conductivity.
                      Scalable powder metallurgical techniques like tape casting,
                      screen printing and field assisted sintering/spark plasma
                      sintering FAST/SPS were used for manufacturing this
                      composite structure. The porous transport layer was
                      characterized with respect to microstructure. FAST/SPS was
                      found to be promising to decrease interdiffusion at the
                      interface. Finally, first electrochemical tests were
                      conducted on laboratory scale demonstrating the potential of
                      the composite to replace state-of-the-art titanium-based
                      transport layers.},
      month         = {Oct},
      date          = {2020-10-05},
      organization  = {EURO PM 2020, online (Portugal), 5 Oct
                       2020 - 7 Oct 2020},
      cin          = {IEK-1},
      cid          = {I:(DE-Juel1)IEK-1-20101013},
      pnm          = {134 - Electrolysis and Hydrogen (POF3-134)},
      pid          = {G:(DE-HGF)POF3-134},
      typ          = {PUB:(DE-HGF)8},
      url          = {https://juser.fz-juelich.de/record/885555},
}