4.7 Article

Unveiling the active sites of Ni-Fe phosphide/metaphosphate for efficient oxygen evolution under alkaline conditions

Journal

CHEMICAL COMMUNICATIONS
Volume 55, Issue 53, Pages 7687-7690

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c9cc03024g

Keywords

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Funding

  1. National Natural Science Foundation of China [21875048, 21576056, 21576057]
  2. Guangdong Natural Science Foundation [2017A030311016, 2018A030310339]
  3. Major Scientific Project of Guangdong University [2017KZDXM059]
  4. Yangcheng Scholars Research Project of Guangzhou [201831820]
  5. Guangzhou University [BJ201704]

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The highly active and stable oxygen evolution reaction (OER) performance of Ni-Fe phosphide/metaphosphate (Ni1-xFex-P/PO3) can originate from in situ generated Fe doped gamma-NiOOH. The optimized Ni0.75Fe0.25-P/PO3@fCNT catalyst exhibits excellent activity and stability with an overpotential of 239 mV at 10 mA cm(-2) and a negligible decrease after 200 h continuous electrolysis in an alkaline solution.

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