Journal of Inorganic Materials, Volume. 39, Issue 11, 1265(2024)

High-entropy Phosphide Bifunctional Catalyst: Preparation and Performance of Efficient Water Splitting

Wenyu ZHANG1,2,3, Ruihua GUO1,2,3、*, Quanxin YUE1,2,3, Yarong HUANG1, Guofang ZHANG1, and Lili GUAN1,2
Author Affiliations
  • 11. School of Materials Science and Engineering, Inner Mongolia University of Science & Technology, Baotou 014010, China
  • 22. Inner Mongolia Key Laboratory of Advanced Ceramic Materials and Devices, Inner Mongolia University of Science & Technology, Baotou 014010, China
  • 33. Key Laboratory of Green Extraction & Efficient Utilization of Light Rare-Earth Resources, Ministry of Education, Inner Mongolia University of Science & Technology, Baotou 014010, China
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    Figures & Tables(13)
    (a) XRD patterns and (b-f) Raman spectra of different catalysts
    SEM images of FeCoNiMoCeP/C at different magnifications
    TEM and high-resolution TEM (HRTEM) images of FeCoNiMoCeP/C
    High-angle annular dark-field scanning transmission electron microscopy (HAADF-STEM) images and corresponding EDS elemental mappings of different samples
    XPS spectra of FeCoNiMoCeP/C
    OER and HER performance of different catalysts
    (a) Double-layer capacitance (Cdl) curves, (b) SECSA-normalized OER LSV curves, and (c) SECSA-normalized HER LSV curves for different catalysts; (d) Current-time (I-t) curve of FeCoNiMoCeP/C catalyst
    Performance analysis of FeCoNiMoCeP/C || FeCoNiMoCeP/C for overall water splitting
    Atomic percentages of metal elements Fe, Co, Ni, Mo, and Ce in FeCoNiMoCeP/C catalyst measured by ICP-OES
    XPS spectra of different catalysts
    CV curves at different scan rates
    Structure morphology and EDS elemental mappings of FeCoNiMoCeP/C after stability test for 72 h
    • Table 1. OER, HER, and overall water splitting performance of the FeCoNiMoCeP/C and catalysts in literature at 10 mA·cm-2

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      Table 1. OER, HER, and overall water splitting performance of the FeCoNiMoCeP/C and catalysts in literature at 10 mA·cm-2

      SampleElectrolyte solventη10 OER/mV η10 HER/mV OER Tafel slope/(mV·dec-1) HER Tafel slope/(mV·dec-1) η10 overall water splitting/V Stability/hRef.
      FeCoNiMoCeP/C1.0 mol·L-1 KOH24011963.482.71.5372This work
      NiCoFeMnCrP1.0 mol·L-1 KOH27022052.594.51.5524[13]
      FeNiCoMnCu@CNT1.0 mol·L-1KOH+Sea water380290130.0171.01.6040[35]
      CoNiCuMnAl@C 2 h1.0 mol·L-1KOH+Sea water290-66.8-1.5430[36]
      CoCrFeNiMo1.0 mol·L-1 KOH27015762.546.71.8622[37]
      CoZnCdCuMnS@CF1.0 mol·L-1 KOH22017369.898.51.6370[38]
      La-HEO@NiFeOOH(1 : 3)1.0 mol·L-1 KOH262-38.0-1.5730[39]
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    Wenyu ZHANG, Ruihua GUO, Quanxin YUE, Yarong HUANG, Guofang ZHANG, Lili GUAN. High-entropy Phosphide Bifunctional Catalyst: Preparation and Performance of Efficient Water Splitting[J]. Journal of Inorganic Materials, 2024, 39(11): 1265

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    Paper Information

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    Received: Feb. 21, 2024

    Accepted: --

    Published Online: Jan. 21, 2025

    The Author Email: Ruihua GUO (grh7810@163.com)

    DOI:10.15541/jim20240074

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