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Keywords:

  • atomic doping;
  • electrochemistry;
  • electronic conductivity;
  • MnO2;
  • supercapacitors
Thumbnail image of graphical abstract

Electrochemical energy storage: The performance of MnO2 as a pseudo-capacitive material was enhanced by doping electrodeposited MnO2 with physically deposited gold atoms (see picture). The resulting MnO2 electrodes showed an enhanced electronic conductivity and a remarkable stability under voltammetric cycling.