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@ARTICLE{Wang:626273,
      author       = {Wang, Yue and Kumar, Ashwani and Budiyanto, Eko and
                      Cheraparambil, Haritha and Weidenthaler, Claudia and
                      Tueysuez, Harun},
      title        = {{B}oron-{I}ncorporated {C}obalt–{N}ickel {O}xide
                      {N}anosheets for {E}lectrochemical {O}xygen {E}volution
                      {R}eaction},
      journal      = {ACS applied energy materials},
      volume       = {7},
      number       = {8},
      issn         = {2574-0962},
      address      = {Washington, DC},
      publisher    = {ACS Publications},
      reportid     = {PUBDB-2025-01352},
      pages        = {3145 - 3156},
      year         = {2024},
      abstract     = {The composition and crystal structure are crucial
                      parameters for the activity and stability of the
                      electrocatalysts. Herein, we synthesize a series of
                      Co$_x$Ni–B oxide nanosheets with low degree of
                      crystallinity for alkaline media oxygen evolution reaction
                      (OER). The sample with an optimized ratio Co$_8$Ni–B oxide
                      shows the best OER performance, achieving a current density
                      of 10 mA/cm$^2$ at an overpotential of 312 mV and a Tafel
                      slope of 47 mV/dec in the 1 M KOH electrolyte. This sample
                      is stable in the purified Fe-free KOH electrolyte and
                      strongly activated in the nonpurified commercial electrolyte
                      due to the Fe impurity uptake. The high surface area and
                      partially crystalline structure caused by boron
                      incorporation and low-temperature treatment provide more
                      accessible active sites with retaining good stability
                      against leaching during the OER. In situ electrochemical
                      Raman spectroscopy investigation reveals the formation of
                      OER active Co and Ni oxyhydroxides in Co$_8$Ni–B oxides
                      under a potential bias. The Ni substitution in Co oxides
                      modulates the electronic structure of Co, and the OER
                      activity of the electrocatalyst can be enhanced by Fe uptake
                      from the KOH electrolyte.},
      cin          = {FS DOOR-User},
      ddc          = {540},
      cid          = {$I:(DE-H253)FS_DOOR-User-20241023$},
      pnm          = {6G3 - PETRA III (DESY) (POF4-6G3) / DFG project
                      G:(GEPRIS)388390466 - TRR 247: Heterogene Oxidationskatalyse
                      in der Flüssigphase – Materialien und Mechanismen in der
                      thermischen, Elektro- und Photokatalyse (388390466) /
                      FS-Proposal: I-20211282 (I-20211282) / FS-Proposal:
                      I-20220115 (I-20220115)},
      pid          = {G:(DE-HGF)POF4-6G3 / G:(GEPRIS)388390466 /
                      G:(DE-H253)I-20211282 / G:(DE-H253)I-20220115},
      experiment   = {EXP:(DE-H253)P-P02.1-20150101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:001196553100001},
      doi          = {10.1021/acsaem.3c03136},
      url          = {https://bib-pubdb1.desy.de/record/626273},
}