李彬   Professor

李彬，青岛科技大学材料科学与工程学院，崂山学者三层次教授，博士毕业于复旦大学化学系，师从赵东元院士，博士毕业后在新加坡南洋理工大学继续博士后的研究工作，合作导师陈晓东教授。主要从事新型多孔材料的合成与应用，尤其是在微介孔材料的控制合成、性能调控以及在电催化领域中形成了独特的思想见解，取得了一系列有影响力的研究成果。立项主持国家自然科学基金面上项目2项，主持国家自然科学基金山东省区域创新发...Detials

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In situ synthesis of two-dimensional graphene-like nickel-molybdenum nitride as efficient electrocatalyst towards water-splitting under large- current density

Release time:2023-10-19  Hits:

  • Key Words:TRANSITION-METAL NITRIDES; HYDROGEN EVOLUTION; FRAMEWORKS; NANOSHEETS; ROUTE
  • Abstract:Transition metal nitride (TMNs) electrocatalysts have attracted tremendous attentions for their unique electron structure, high activity, and excellent stability. Herein, a two-dimensional (2D) graphene-like structured nickel-molybdenum nitride (Ni-MoN) on nickel foam (NF), is prepared via facile hydrothermal and following nitridation process. The as-prepared Ni-MoN-450 (pyrolysis at 450 degrees C) displays good hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) performances in alkaline media. Only 22 mV and 117 mV are needed to achieve current densities of 10 mA cm-2 and 500 mA cm-2 in 1.0 M KOH, respectively, toward HER. The assembled two-electrode system, with the synthesized Ni-MoN-450 as the anode and cathode, exhibits good performance to achieve 1000 mA cm-2 in 1.0 M KOH 25 degrees C and 6.0 M KOH 80 degrees C. Moreover, it also presents long-term stability under large-current density, which verified its robust property. (c) 2023 Elsevier Inc. All rights reserved.
  • Volume:637
  • Issue:
  • Translation or Not:no
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