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Production of NiO/N-doped carbon hybrid and its electrocatalytic performance for oxygen evolution reactions

  • Carbon Letters
  • Abbr : Carbon Lett.
  • 2020, 30(5), pp.485-491
  • DOI : 10.1007/s42823-019-00118-9
  • Publisher : Korean Carbon Society
  • Research Area : Natural Science > Natural Science General > Other Natural Sciences General
  • Received : August 29, 2019
  • Accepted : January 3, 2020
  • Published : October 1, 2020

Seok Sujin 1 Jang Dawoon 1 KIM HAE JU 1 PARK SUNGJIN 1

1인하대학교

Accredited

ABSTRACT

Oxygen evolution reaction (OER) is an essential step at an anode in electrochemical water-splitting process and requires efcient electrocatalysts to reduce overpotentials. Although precious metal-based materials, such as RuO2, IrO2 and their hybrids with other components, performed excellently as OER electrocatalysts, their high cost has limited practical applica�tions. Consequently, earth-abundant metal components including Fe, Co, and Ni have been investigated as alternatives. In this work, the hybridization of Ni-containing species with conductive carbon-based materials was used to prevent aggregation of active species and improve electrochemical catalytic performance. A new hybrid material composed of NiO nanoparticles and N-doped carbon materials was prepared. The NiO particles with a narrow size distribution were well dispersed on the surface of carbon-based materials. The hybrid showed improved electrocatalytic performance for OER than single compo�nents of NiO and N-doped carbon materials.

Citation status

This is the result of checking the information with the same ISSN, publication year, volume, and start page between the WoS and the KCI journals. (as of 2023-07-14)

Total Citation Counts(KCI+WOS) (13) This is the number of times that the duplicate count has been removed by comparing the citation list of WoS and KCI.

Scopus Citation Counts (12) This is the result of checking the information with the same ISSN, publication year, volume, and start page between articles in KCI and the SCOPUS journals. (as of 2023-10-01)

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