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Keywords:

  • electrochemistry;
  • evolution of hydrogen;
  • heterogeneous catalysis;
  • metal nitrides;
  • nanosheets
Thumbnail image of graphical abstract

Not noble but effective: A new class of heterogeneous hydrogen-evolving electrocatalysts based on inexpensive components was developed. The carbon-supported nickel–molybdenum nitride (NiMoNx, see picture) catalyst had a nanoscale sheet structure comprising a few layers and an abundance of highly accessible reactive sites.