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@ARTICLE{Yan:888457,
      author       = {Yan, Ning and Liu, Fan and Guangqi, Zhu and Luxia, Bu and
                      Liu, Zigeng and Wang, Wei},
      title        = {{M}orphology and {S}tructure {C}ontrols of {S}ingle-atom
                      {F}e-{N}-{C} {C}atalysts {S}ynthesized {U}sing {F}e{P}c
                      {P}owders as the {P}recursor},
      journal      = {Processes},
      volume       = {9},
      number       = {1},
      issn         = {2227-9717},
      address      = {Basel},
      publisher    = {MDPI},
      reportid     = {FZJ-2020-04925},
      pages        = {109 -},
      year         = {2021},
      abstract     = {Understanding the origin of the high electrocatalytic
                      activity of Fe–N–C electrocatalysts for oxygen reduction
                      reaction is critical but still challenging for developing
                      efficient sustainable nonprecious metal catalysts used in
                      fuel cells. Although there are plenty of papers concerning
                      the morphology on the surface Fe–N–C catalysts, there is
                      very little work discussing how temperature and pressure
                      control the growth of nanoparticles. In our lab, a unique
                      organic vapor deposition technology was developed to
                      investigate the effect of the temperature and pressure on
                      catalysts. The results indicated that synthesized catalysts
                      exhibited three kinds of morphology—nanorods, nanofibers,
                      and nanogranules—corresponding to different synthesis
                      processes. The growth of the crystal is the root cause of
                      the difference in the surface morphology of the catalyst,
                      which can reasonably explain the effect of the temperature
                      and pressure. The oxygen reduction reaction current
                      densities of the different catalysts at potential 0.88 V
                      increased in the following order: FePc (1.04 mA/cm2) < Pt/C
                      catalyst (1.54 mA/cm2) ≈ Fe–N–C-f catalyst (1.64
                      mA/cm2) < Fe–N–C-g catalyst (2.12 mA/cm2) < Fe–N–C-r
                      catalyst (2.35 mA/cm2). By changing the morphology of the
                      catalyst surface, this study proved that the higher
                      performance of the catalysts can be obtained},
      cin          = {IEK-9},
      ddc          = {570},
      cid          = {I:(DE-Juel1)IEK-9-20110218},
      pnm          = {1223 - Batteries in Application (POF4-122)},
      pid          = {G:(DE-HGF)POF4-1223},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000610751900001},
      doi          = {10.3390/pr9010109},
      url          = {https://juser.fz-juelich.de/record/888457},
}