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Keywords:

  • batteries;
  • lithium;
  • nanostructures;
  • nitrides;
  • platinum
Thumbnail image of graphical abstract

Cat on a hot TiN support: Coaxial Pt/TiN nanotube arrays are used to achieve a superior electrocatalytic activity of platinum towards the oxygen reduction reaction (ORR). Compared to a commercial Pt/C catalyst, the Pt/TiN NTA materials delivers a higher mass activity and specific activity for the ORR. Hence, these materials are useful as cathodes for hybrid electrolyte Li–air batteries, as demonstrated.