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Journal of Inorganic Materials, Volume. 39, Issue 11, 1254(2024)

3D Core-shell Structured NiMoO4@CoFe-LDH Nanorods: Performance of Efficient Oxygen Evolution Reaction and Overall Water Splitting

Quanxin YUE1,2,3, Ruihua GUO1,2,3、*, Ruifen WANG1,2,3, Shengli AN1,2,3, 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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    AbstractGet PDF(in Chinese)
    Figures&Tables (13)
    Equations (2)
    References (74)
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    Figures & Tables(13)
    Synthesis process of NiMoO4@CoFe-LDH/NF
    1. Synthesis process of NiMoO4@CoFe-LDH/NF

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    (a) XRD patterns of NiMoO4@CoFe-LDH/NF and CoFe-LDH/NF, and (b) Raman spectrum of CoFe-LDH
    2. (a) XRD patterns of NiMoO4@CoFe-LDH/NF and CoFe-LDH/NF, and (b) Raman spectrum of CoFe-LDH

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    SEM images of catalyst samples
    3. SEM images of catalyst samples

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    TEM, HRTEM and EDS mapping images of NiMoO4@CoFe-LDH/NF
    4. TEM, HRTEM and EDS mapping images of NiMoO4@CoFe-LDH/NF

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    XPS spectra of NiMoO4@CoFe-LDH and NiMoO4
    5. XPS spectra of NiMoO4@CoFe-LDH and NiMoO4

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    Electrochemical performance of different catalytic samples
    6. Electrochemical performance of different catalytic samples

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    Stability of NiMoO4@CoFe-LDH/NF
    7. Stability of NiMoO4@CoFe-LDH/NF

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    XPS spectra of NiMoO4@CoFe-LDH after OER stability test
    8. XPS spectra of NiMoO4@CoFe-LDH after OER stability test

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    Overall water splitting performance of NiMoO4@CoFe-LDH/NF||NiMoO4/NF double electrode system
    9. Overall water splitting performance of NiMoO4@CoFe-LDH/NF||NiMoO4/NF double electrode system

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    OER-LSV curves of different catalysts prepared for various deposition time
    S1. OER-LSV curves of different catalysts prepared for various deposition time

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    CV plots for different samples at different sweep speeds (40-120 mV·s-1)
    S2. CV plots for different samples at different sweep speeds (40-120 mV·s-1)

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    HER-LSV curve of NiMoO4/NF
    S3. HER-LSV curve of NiMoO4/NF

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    • Table 1. Overpotentials and Tafel slopes of this work, other reported CoFe-LDH, and NiMoO4 related electrocatalysts in 1.0 mol·L-1 KOH

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      Table 1. Overpotentials and Tafel slopes of this work, other reported CoFe-LDH, and NiMoO4 related electrocatalysts in 1.0 mol·L-1 KOH

      CatalystOverpotential/mV (at 10 mA·cm-2) Tafel slope/(mV·dec-1) Ref.
      NiMoO4@CoFe-LDH/NF16829This work
      CoFe-LDH@NiFe19045[56]
      NiSe@CoFe LDH/NF20390[59]
      NiMoO4/NiFe18839[60]
      Ni9S8/MoS2@NiMoO436049[61]
      NiMoO4/Ni-MOF/NF21867[62]
      Co3S4@NiMoO4320102[63]
      CeNiS@NiMoO4/NF18735[64]
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    Quanxin YUE, Ruihua GUO, Ruifen WANG, Shengli AN, Guofang ZHANG, Lili GUAN. 3D Core-shell Structured NiMoO4@CoFe-LDH Nanorods: Performance of Efficient Oxygen Evolution Reaction and Overall Water Splitting [J]. Journal of Inorganic Materials, 2024, 39(11): 1254

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    Paper Information

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    Received: Mar. 4, 2024

    Accepted: --

    Published Online: Jan. 21, 2025

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

    DOI:10.15541/jim20240098

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology