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Journal of Inorganic Materials, Volume. 37, Issue 9, 1016(2022)

ZIF-8-derived Three-dimensional Silicon-carbon Network Composite for High-performance Lithium-ion Batteries

Nana SU1... Jingru HAN1, Yinhao GUO1, Chenyu WANG1, Wenhua SHI1, Liang WU1, Zhiyi HU1,2, Jing LIU1, Yu LI1,2,*, and Baolian SU13 |Show fewer author(s)
Author Affiliations
  • 11. State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China
  • 22. Nanostructure Research Centre (NRC), Wuhan University of Technology, Wuhan 430070, China
  • 33. Laboratory of Inorganic Materials Chemistry (CMI), University of Namur, Namur B-5000, Belgium
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    Schematics of (a) synthetic process and (b) lithiation-delithiation process for Si@NC
    1. Schematics of (a) synthetic process and (b) lithiation-delithiation process for Si@NC

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    FESEM images of (a, b) Si@NC and (c, d) Si@PC
    2. FESEM images of (a, b) Si@NC and (c, d) Si@PC

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    (a) TEM, (b) HRTEM, (c) HAADF-STEM images, (d) SAED pattern (rectangular area in (c)), and (e-f) corresponding EDX elemental maps of Si@NC
    3. (a) TEM, (b) HRTEM, (c) HAADF-STEM images, (d) SAED pattern (rectangular area in (c)), and (e-f) corresponding EDX elemental maps of Si@NC

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    (a) XRD patterns and (b) Raman spectra of Si@NC and Si@PC, (c) nitrogen adsorption-desorption isotherm and (d) pore size distribution of Si@NC
    4. (a) XRD patterns and (b) Raman spectra of Si@NC and Si@PC, (c) nitrogen adsorption-desorption isotherm and (d) pore size distribution of Si@NC

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    (a) CV curves at a scanning rate of 0.2 mV/s and (b) charge-discharge curves for initial 3 cycles at 0.2 A/g of Si@NC, (c) rate performances and (d) cycling performances at 0.5 A/g of Si@NC and Si@PC, and (e) long cycling performances of Si@NC, NC and Si@PC at 1 A/g (black circles showing Coulombic efficiencies of Si@NC)
    5. (a) CV curves at a scanning rate of 0.2 mV/s and (b) charge-discharge curves for initial 3 cycles at 0.2 A/g of Si@NC, (c) rate performances and (d) cycling performances at 0.5 A/g of Si@NC and Si@PC, and (e) long cycling performances of Si@NC, NC and Si@PC at 1 A/g (black circles showing Coulombic efficiencies of Si@NC)

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    (a) Charge-discharge profiles in the range of 1~4.5 V, and (b) cycle performance at 0.4C of Si@NC//NCM622 full-cell
    6. (a) Charge-discharge profiles in the range of 1~4.5 V, and (b) cycle performance at 0.4C of Si@NC//NCM622 full-cell

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    TG-DSC curves of (a) Si@NC and (b) NC
    S1. TG-DSC curves of (a) Si@NC and (b) NC

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    XPS spectra of Si@NC composite
    S2. XPS spectra of Si@NC composite

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    EIS plots of pure Si, Si@NC and Si@PC, (b) Coulombic efficiencies of Si@NC and pure Si for the first 5 cycles, (c) cycle performance of pure Si at 1 A/g
    S3. EIS plots of pure Si, Si@NC and Si@PC, (b) Coulombic efficiencies of Si@NC and pure Si for the first 5 cycles, (c) cycle performance of pure Si at 1 A/g

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    Cross section and surface SEM images of Si@NC electrodes for half-cell (a) before the cycle, after (b)50 and (c) 200 cycles
    S4. Cross section and surface SEM images of Si@NC electrodes for half-cell (a) before the cycle, after (b)50 and (c) 200 cycles

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    • Table 1. Comparison of electrochemical performance for Si/C composite materials

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      Table 1. Comparison of electrochemical performance for Si/C composite materials

      Anode materialCycle performance/(mAh·g-1) (Cycle number) Current density/ (A·g-1) Rate capability/(mAh·g-1) (Current density/(A·g-1)) Ref.
      Three-dimensional Network Si/C666 (500th)1760 (5)This work
      MHR-Si/rGO530 (400th)1513 (5)[1]
      Si@C/Co/CNTs700 (500th)1480 (5)[2]
      Pseudographite/Si/Ni800 (500th)1271 (5)[3]
      Si@void@C/C-2450 (500th)1410 (3.2)[4]
      Yolk-shell structured Si-based anode657 (200th)1350 (5)[5]
      Si@C-ZIF@carbon Nanofibers760 (500th)1523.9 (5)[6]
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    Nana SU, Jingru HAN, Yinhao GUO, Chenyu WANG, Wenhua SHI, Liang WU, Zhiyi HU, Jing LIU, Yu LI, Baolian SU. ZIF-8-derived Three-dimensional Silicon-carbon Network Composite for High-performance Lithium-ion Batteries[J]. Journal of Inorganic Materials, 2022, 37(9): 1016

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    Paper Information

    Category: RESEARCH ARTICLE

    Received: Dec. 3, 2021

    Accepted: --

    Published Online: Jan. 12, 2023

    The Author Email: LI Yu (yu.li@whut.edu.cn)

    DOI:10.15541/jim20210739

    Topics

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