Nickel-Based Thin Film on Multiwalled Carbon Nanotubes as an Efficient Bifunctional Electrocatalyst for Water Splitting

We report electrodeposited nickel-based thin film on multiwalled carbon nanotubes as a highly efficient bifunctional catalyst for both the oxygen evolution reaction and hydrogen evolution reaction

Xingxing Yu; Tianyi Hua; Xiang Liu; Zhiping Yan; Peng Xu; Pingwu Du

2014

Scholarcy highlights

  • We report electrodeposited nickel-based thin film on multiwalled carbon nanotubes as a highly efficient bifunctional catalyst for both the oxygen evolution reaction and hydrogen evolution reaction
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  • The NiOx-MWCNTs catalyst was further characterized by scanning electron microscopy, energy-dispersive X-ray analysis, and X-ray photoelectron spectroscopy
  • The results show that the content of oxygen in the O2-NiOx-MWCNTs film is higher than that in the H2-NiOx-MWCNTs film
  • The NiOx-MWCNTs catalyst has good catalytic stability, and the film is reversible when the potentials are switched between the reductive conditions and oxidative conditions
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