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Journal of Inorganic Materials, Volume. 39, Issue 5, 467(2024)

Ni-Co-B-RE (Sm, Dy, Tb) Composite Electrodes: Preparation by Chemical Deposition Method and Electrocatalytic Hydrogen Evolution Performance

Xinxin JING... Biqing CHEN*, Jiaxin ZHAI and Meiling YUAN |Show fewer author(s)
Author Affiliations
  • College of Chemistry and Chemical Engineering, Qinghai Normal University, Xining 810000, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (23)
    Equations (1)
    References (45)
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    Figures & Tables(23)
    (a-d) Low-magnification and (e-h) high-magnification SEM images of Ni-Co-B/NF, Ni-Co-B-Tb/NF, Ni-Co-B-Sm/NF, and Ni-Co-B-Dy/NF
    1. (a-d) Low-magnification and (e-h) high-magnification SEM images of Ni-Co-B/NF, Ni-Co-B-Tb/NF, Ni-Co-B-Sm/NF, and Ni-Co-B-Dy/NF

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    (a) XRD patterns of Ni-Co-B/NF, Ni-Co-B-Tb/NF, Ni-Co-B-Sm/NF and Ni-Co-B-Dy/NF powders, and (b) EDS mappings of Ni-Co-B-Tb/NF
    2. (a) XRD patterns of Ni-Co-B/NF, Ni-Co-B-Tb/NF, Ni-Co-B-Sm/NF and Ni-Co-B-Dy/NF powders, and (b) EDS mappings of Ni-Co-B-Tb/NF

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    XPS spectra of Ni-Co-B-Tb/NF
    3. XPS spectra of Ni-Co-B-Tb/NF

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    (a) TEM and (b) HRTEM images of Ni-Co-B-Tb/NF
    4. (a) TEM and (b) HRTEM images of Ni-Co-B-Tb/NF

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    (a) LSV curves, (b) Tafel curves, (c) exchange current densities (j0) extrapolated from Tafel plots and (d) EIS spectra with inset showing equivalent circuit of Ni-Co-B/NF, Ni-Co-B-Tb/NF, Ni-Co-B-Sm/NF, and Ni-Co-B-Dy/NF electrodes
    5. (a) LSV curves, (b) Tafel curves, (c) exchange current densities (j0) extrapolated from Tafel plots and (d) EIS spectra with inset showing equivalent circuit of Ni-Co-B/NF, Ni-Co-B-Tb/NF, Ni-Co-B-Sm/NF, and Ni-Co-B-Dy/NF electrodes

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    (a-d) LSV curves at different temperatures with insets showing corresponding Tafel curves and (e) Arrhenius plots of Ni-Co-B/NF, Ni-Co-B-Tb/NF, Ni-Co-B-Sm/NF and Ni-Co-B-Dy/NF
    6. (a-d) LSV curves at different temperatures with insets showing corresponding Tafel curves and (e) Arrhenius plots of Ni-Co-B/NF, Ni-Co-B-Tb/NF, Ni-Co-B-Sm/NF and Ni-Co-B-Dy/NF

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    (a-d) CV curves at different scan rates, (e) charge double-layer voltammetry, and (f) ECSA-normalized LSV curves of Ni-Co-B/NF, Ni-Co-B-Tb/NF, Ni-Co-B-Sm/NF, and Ni-Co-B-Dy/NF electrodes
    7. (a-d) CV curves at different scan rates, (e) charge double-layer voltammetry, and (f) ECSA-normalized LSV curves of Ni-Co-B/NF, Ni-Co-B-Tb/NF, Ni-Co-B-Sm/NF, and Ni-Co-B-Dy/NF electrodes

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    (a) LSV curves, (b) Tafel curves, (c) exchange current densities (j0) extrapolated from Tafel plots, and (d) EIS spectra with inset showing equivalent circuit of x-TNCB/NF (x=1, 2, 3, 4, 5) electrodes
    8. (a) LSV curves, (b) Tafel curves, (c) exchange current densities (j0) extrapolated from Tafel plots, and (d) EIS spectra with inset showing equivalent circuit of x-TNCB/NF (x=1, 2, 3, 4, 5) electrodes

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    (a) LSV curves before and after 2000 CV sweeps, and (b) I-t curve under 100 mV static overpotential for 100 h electrolysis of 3-TNCB/NF electrode
    9. (a) LSV curves before and after 2000 CV sweeps, and (b) I-t curve under 100 mV static overpotential for 100 h electrolysis of 3-TNCB/NF electrode

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    (a) EDS mappings of Ni-Co-B-Sm/NF; (b) EDS mappings of Ni-Co-B-Dy/NF
    S1. (a) EDS mappings of Ni-Co-B-Sm/NF; (b) EDS mappings of Ni-Co-B-Dy/NF

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    SEM images of x-TNCB/NF (x=1, 2, 3, 4, 5)
    S2. SEM images of x-TNCB/NF (x=1, 2, 3, 4, 5)

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    CV curves at different scan rates for x-TNCB/NF (x=1, 2, 3, 4, 5)
    S3. CV curves at different scan rates for x-TNCB/NF (x=1, 2, 3, 4, 5)

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    (a) Charge double-layer voltammetry and (b) LSV curves with normalized ECSA of x-TNCB/NF (x=1, 2, 3, 4, 5) electrodes
    S4. (a) Charge double-layer voltammetry and (b) LSV curves with normalized ECSA of x-TNCB/NF (x=1, 2, 3, 4, 5) electrodes

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    (a-e) LSV curves at different temperatures and (f) Arrhenius plots with inset showing corresponding Tafel curves of x-TNCB/NF (x=1, 2, 3, 4, 5)
    S5. (a-e) LSV curves at different temperatures and (f) Arrhenius plots with inset showing corresponding Tafel curves of x-TNCB/NF (x=1, 2, 3, 4, 5)

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    Faradaic efficiency for 3-TNCB/NF
    S6. Faradaic efficiency for 3-TNCB/NF

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    • Table 1. Chemical deposition plating solution formula

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      Table 1. Chemical deposition plating solution formula

      Composition of plating solutionConcentration/(g·L-1)
      Anhydrous nickel chloride (NiCl2)10.0
      Anhydrous cobalt chloride (CoCl2)5.0
      Borane dimethylamine1.0
      Samarium nitrate [Sm(NO3)3]3.0
      Terbium nitrate [Tb(NO3)3]1.0-5.0
      Dysprosium nitrate [Dy(NO3)3]3.0
      Succinic acid1.5
      Citric acid1.5
      Malic acid1.5

    • Table 2. ICP-MS data of Ni-Co-B-Tb/NF, Ni-Co-B-Sm/NF and Ni-Co-B-Dy/NF electrodes

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      Table 2. ICP-MS data of Ni-Co-B-Tb/NF, Ni-Co-B-Sm/NF and Ni-Co-B-Dy/NF electrodes

      CatalystElementContent/%(in mass)
      Ni-Co-B-Tb/NFNi49.08
      Co22.20
      B2.71
      Tb1.57
      Ni-Co-B-Sm/NFNi39.48
      Co9.41
      B2.16
      Sm1.35
      Ni-Co-B-Dy/NFNi53.89
      Co21.66
      B2.49
      Dy1.94

    • Table 3. EIS parameters of Ni-Co-B/NF, Ni-Co-B-Tb/NF, Ni-Co-B-Sm/NF and Ni-Co-B-Dy/NF electrodes

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      Table 3. EIS parameters of Ni-Co-B/NF, Ni-Co-B-Tb/NF, Ni-Co-B-Sm/NF and Ni-Co-B-Dy/NF electrodes

      CatalystRs/(Ω·cm-2) Rct/(Ω·cm-2)
      Ni-Co-B/NF0.3790.171
      Ni-Co-B-Tb/NF0.3760.144
      Ni-Co-B-Sm/NF0.3900.251
      Ni-Co-B-Dy/NF0.3930.357

    • Table 4. Kinetic parameters of Ni-Co-B/NF, Ni-Co-B-Tb/NF, Ni-Co-B-Sm/NF and Ni-Co-B-Dy/NF

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      Table 4. Kinetic parameters of Ni-Co-B/NF, Ni-Co-B-Tb/NF, Ni-Co-B-Sm/NF and Ni-Co-B-Dy/NF

      CatalystT/K Tafel slope/(mV·dec-1) j0/(mA·cm-2) Ea/(kJ·mol-1)
      Ni-Co-B/NF2981151.8632.2
      313884.36
      3231048.12
      3339918.6
      Ni-Co-B-Tb/NF2981232.6911.5
      3131253.71
      3231254.89
      3331146.02
      Ni-Co-B-Sm/NF2981521.6519.8
      3131402.57
      3231503.46
      3332196.30
      Ni-Co-B-Dy/NF2981641.9917.2
      3131683.01
      3231654.36
      3331876.30

    • Table 5. ECSA of Ni-Co-B/NF, Ni-Co-B-Tb/NF, Ni-Co-B-Sm/NF and Ni-Co-B-Dy/NF catalysts

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      Table 5. ECSA of Ni-Co-B/NF, Ni-Co-B-Tb/NF, Ni-Co-B-Sm/NF and Ni-Co-B-Dy/NF catalysts

      CatalystECSA/(cm2·g-1)
      Ni-Co-B/NF677.5
      Ni-Co-B-Tb/NF1517.5
      Ni-Co-B-Sm/NF980
      Ni-Co-B-Dy/NF1262.5

    • Table 6. ECSA of x-TNCB/NF (x=1, 2, 3, 4, 5) catalysts

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      Table 6. ECSA of x-TNCB/NF (x=1, 2, 3, 4, 5) catalysts

      CatalystECSA/(cm2·g-1)
      1-TNCB/NF802.5
      2-TNCB/NF1140.0
      3-TNCB/NF1505.0
      4-TNCB/NF1322.5
      5-TNCB/NF862.5

    • Table 7. EIS parameters of x-TNCB/NF (x=1, 2, 3, 4, 5) electrodes

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      Table 7. EIS parameters of x-TNCB/NF (x=1, 2, 3, 4, 5) electrodes

      CatalystRs/(Ω·cm-2) Rct/(Ω·cm-2)
      1-TNCB/NF0.3070.376
      2-TNCB/NF0.2990.275
      3-TNCB/NF0.3200.222
      4-TNCB/NF0.3060.258
      5-TNCB/NF0.3150.353

    • Table 8. Kinetic parameters of x-TNCB/NF (x=1, 2, 3, 4, 5)

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      Table 8. Kinetic parameters of x-TNCB/NF (x=1, 2, 3, 4, 5)

      CatalystT/K Tafel slope/(mV·dec-1) j0/(mA·cm-2) Ea/(kJ·mol-1)
      1-TNCB/NF2981381.9424.8
      3131523.23
      3231416.02
      33313010.71
      2-TNCB/NF2981771.7319.7
      3131542.75
      3231374.46
      3331307.24
      3-TNCB/NF2981413.0111.5
      3131303.98
      3231635.24
      3331626.76
      4-TNCB/NF2981482.1316.2
      3131283.31
      3231614.89
      3331956.60
      5-TNCB/NF2981691.6919.8
      3131672.57
      3231634.57
      3332056.91
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    Xinxin JING, Biqing CHEN, Jiaxin ZHAI, Meiling YUAN. Ni-Co-B-RE (Sm, Dy, Tb) Composite Electrodes: Preparation by Chemical Deposition Method and Electrocatalytic Hydrogen Evolution Performance[J]. Journal of Inorganic Materials, 2024, 39(5): 467

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    Paper Information

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    Received: Oct. 23, 2023

    Accepted: --

    Published Online: Jul. 8, 2024

    The Author Email: CHEN Biqing (chenbq2332@163.com)

    DOI:10.15541/jim20230491

    Topics

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