4.6 Article

Hierarchical nickel oxide nanosheet@nanowire arrays on nickel foam: an efficient 3D electrode for methanol electro-oxidation

Journal

CATALYSIS SCIENCE & TECHNOLOGY
Volume 6, Issue 4, Pages 1157-1161

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c5cy01427a

Keywords

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Funding

  1. National Natural Science Foundation of China [51322208, 21175129]
  2. Guangdong Natural Science Foundation for Distinguished Young Scholars [S20120011380]
  3. Department of Education of Guangdong Province [2013gjhz0001]
  4. Fundamental Research Funds for the Central Universities
  5. National Basic Research Program of China [2011CB935800]

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In this work, we report the first fabrication of hierarchical nickel oxide nanosheet@nanowire arrays on nickel foam (NiO NS@NW/NF) through a hydrothermal process followed by annealing treatment. When directly used as a 3D anode for electro-oxidation of methanol in alkaline media, the NiO NS@NW/NF electrode exhibits high electrocatalytic activity and stability. It can afford a current density of 89 mA cm(-2) at 1.62 V (vs. RHE) in 1 M KOH with 0.5 M methanol.

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