4.5 Article

Ultra-thin Co-Fe Layered Double Hydroxide Hollow Nanocubes for Efficient Electrocatalytic Water Oxidation

Journal

CHEMPHYSCHEM
Volume 20, Issue 22, Pages 2964-2967

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/cphc.201900524

Keywords

Co-Fe layered double hydroxide; electrocatalysis; hollow nanocubes; oxygen evolution; ultra-thin layers

Funding

  1. Thousand Talents Program of China
  2. National Natural Science Foundation of China [21601118, 21101170, 21573139, 21773146]
  3. Fundamental Research Funds for the Central Universities [GK201903033]
  4. Shaanxi Normal University

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Hierarchical hollow nanocubes based on ultra-thin CoFe-layered double hydroxide (CoFe-LDH) nanosheets have been prepared. The obtained CoFe-LDH hollow nanocubes could effectively catalyze water oxidation at a low overpotential of 270 mV @ 10 mA cm(-2), low Tafel slope of 58.3 mV dec(-1) and show a long-term stability in alkali.

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