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@INPROCEEDINGS{Vibhu:1050580,
      author       = {Vibhu, Vaibhav and Kumar, Rishabh and Wolf, Stephanie and
                      Uecker, Jan and Unachukwu, Ifeanyichukwu Daniel and de
                      Haart, L. G. J. and Eichel, Rüdiger-A.},
      title        = {{D}evelopment of high-performing and durable fuel
                      electrodes for {S}olid {O}xide {E}lectrolysis {C}ells
                      ({I}nvited)},
      reportid     = {FZJ-2026-00337},
      year         = {2025},
      abstract     = {The conventional Ni-yttria stabilized zirconia (YSZ) fuel
                      electrodeshows strong degradation in SOEC operation under
                      steam-containingfuels due to Ni migration and agglomeration.
                      As an alternative,Ni-gadolinium doped ceria (GDC) electrode
                      exhibit higherperformance than Ni-YSZ owing to the mixed
                      ionic and electronicconductivity of GDC under reducing
                      conditions, however it couldn’tprevent Ni-migration. To
                      overcome these issues, we have consideredperovskites-based
                      fuel electrodes, e.g. Sr2Fe2-xMox-yMyO6-δ (x=0.5, 1.0and M
                      = Ni), as they exhibit mixed ionic and electronic
                      conductingproperties and good redox stability under reducing
                      atmospheres.SFM based fuel electrode materials also show
                      higher electrochemicalperformances than Ni-YSZ electrode.
                      Moreover, we have also investigatedNi-free fuel electrode
                      materials and considered single-phaseceria-based materials
                      e.g. Ce0.8Gd0.2O1.9 and Ce1-xPrxO2-δ (0.0 ≤ x ≤
                      0.3).These ceria-based materials are mixed ionic and
                      electronic conductorsand exhibit high catalytic activity
                      under reducing atmospheres.For instance, the single cell
                      with the GDC fuel electrode has similarperformance as that
                      of the Ni-YSZ electrode but shows significantlylower
                      degradation rates under SOEC operation. The structural,
                      physicochemical,and electrochemical properties of newly
                      developed fuelelectrodes including long-term degradation
                      tests will be presented.},
      month         = {Feb},
      date          = {2025-02-25},
      organization  = {The American Ceramic Society 2025,
                       Conference on Electronic Materials and
                       Applications (EMA 2025), Denver (USA),
                       25 Feb 2025 - 28 Feb 2025},
      subtyp        = {Invited},
      cin          = {IET-1},
      cid          = {I:(DE-Juel1)IET-1-20110218},
      pnm          = {1231 - Electrochemistry for Hydrogen (POF4-123) / HITEC -
                      Helmholtz Interdisciplinary Doctoral Training in Energy and
                      Climate Research (HITEC) (HITEC-20170406)},
      pid          = {G:(DE-HGF)POF4-1231 / G:(DE-Juel1)HITEC-20170406},
      typ          = {PUB:(DE-HGF)6},
      url          = {https://juser.fz-juelich.de/record/1050580},
}