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@ARTICLE{Wilke:1037407,
      author       = {Wilke, Vincent and Rivera, Marco and Morawietz, Tobias and
                      Sata, Noriko and Mues, Lukas and Hegelheimer, Manuel and
                      Maljusch, Artjom and Borowski, Patrick and Schmid, Günter
                      and Thum, Chen Yie and Klingenhof, Malte and Strasser, Peter
                      and Karl, André and Basak, Shibabrata and Poc, Jean-Pierre
                      and Eichel, Rüdiger-A. and Gago, Aldo Saul and Friedrich,
                      Kaspar Andreas},
      title        = {{N}ovel {A}tmospherically {P}lasma {S}prayed {M}icro
                      {P}orous {L}ayer for {A}nion {E}xchange {M}embrane {W}ater
                      {E}lectrolysis {O}perating {W}ith {S}upporting
                      {E}lectrolyte},
      journal      = {Electrochemical science advances},
      volume       = {5},
      number       = {3},
      issn         = {2698-5977},
      address      = {Weinheim},
      publisher    = {Wiley-VCH Verlag GmbH $\&$ Co KGaA},
      reportid     = {FZJ-2025-00711},
      pages        = {e202400036},
      year         = {2025},
      abstract     = {Anion exchange membrane water electrolysis (AEMWE) is one
                      of the most promising candidates for green hydrogen
                      productionneeded for the de-fossilization of the global
                      economy. As AEMWE can operate at high efficiency without
                      expensive PlatinumGroup Metal (PGM) catalysts or titanium
                      cell components, required in state-of-the-art proton
                      exchange membrane electrolysis(PEMWE), AEMWE has the
                      potential to become a cheaper alternative in large-scale
                      production of green hydrogen. In AEMWE,the porous transport
                      layer and/or micro porous layer (PTL/MPL) has to balance
                      several important tasks. It is responsible formanaging
                      transport of electrolyte and/or liquid water to the catalyst
                      layers (CLs), transport of evolving gas bubbles away from
                      theCLs and establishing thermal and electrical connection
                      between the CLs and bipolar plates (BPPs). Furthermore,
                      especially incase the CL is directly deposited onto the MPL,
                      forming a catalyst-coated substrate (CCS), the MPL surface
                      properties significantlyimpact CL stability. Thus, the MPL
                      is one of the key performance-defining components in AEMWE.
                      In this study, we employed theflexible and easily upscaled
                      technique of atmospheric plasma spraying (APS) to deposit
                      spherical nickel coated graphite directly ona low-cost mesh
                      PTL. Followed by oxidative carbon removal, a nickel-based
                      MPL with superior structural parameters comparedto a
                      state-of-art nickel felt MPL was produced. Due to a higher
                      activity of the nickel APS-MPL itself, as well as improved
                      catalystutilization, a reduction in cell voltage of 63 mV at
                      2 A cm−2 was achieved in an AEMWE operating with 1 M KOH
                      electrolyte. Thisimprovement was enabled by the high
                      internal surface area and the unique pore structure of the
                      APS-MPL with a broad pore sizedistribution as well as the
                      finely structured surface providing a large contacting area
                      to the CLs.},
      cin          = {IET-1},
      ddc          = {540},
      cid          = {I:(DE-Juel1)IET-1-20110218},
      pnm          = {1231 - Electrochemistry for Hydrogen (POF4-123) /
                      AEM-Direkt - $H2Giga_NG5_AEM-Direkt$ - Direktbeschichtung
                      von anionenleitenden Membranen für großskalige
                      Wasserelektrolyseure (BMBF-03HY130F)},
      pid          = {G:(DE-HGF)POF4-1231 / G:(DE-Juel1)BMBF-03HY130F},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:001379927400001},
      doi          = {10.1002/elsa.202400036},
      url          = {https://juser.fz-juelich.de/record/1037407},
}