Journal of Inorganic Materials, Volume. 37, Issue 9, 1009(2022)

Boehmite Nanosheets-coated Separator with Enhanced Performance for Lithium-ion Batteries

Kun FENG1...2, Yong ZHU1, Kaiqiang ZHANG1, Zhang CHEN1, Yu LIU2,* and Yanfeng GAO1,* |Show fewer author(s)
Author Affiliations
  • 11. School of Materials Science and Engineering, Shanghai University, Shanghai 200444, China
  • 22. Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China
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    Figures & Tables(9)
    (a) XRD pattern, (b)SEM image, (c)AFM image, and (d) cross-sectional height profile of boehmite nanosheets
    Physical properties of PE, PE-AlOOHNP and PE-AlOOHNS
    (a)Nyquist plots of SS/SS cells assembled with different separators; (b) Chronoamperometry profile of Li/PE-AlOOHNS/Li cell with inset showing EIS plots before and after polarization; (c) LSV curves of SS/Li cells assembled with different separators; (d) Rate capabilities, (e) EIS spectra and (f) cycle performances of LFP/Li cells with different separators
    Voltage profiles of Li/Li symmetric cells assembled with (a) PE, (b) PE-AlOOHNP and (c) PE-AlOOHNS, and (d) schematic illustration of suppressing lithium dendrite formation
    Particle size distribution of boehmite nanosheets
    DSC curves of different separators
    Chronoamperometry profile of Li/PE/Li cell with inset showing the EIS plots before and after polarization
    Chronoamperometry profile of Li/PE-AlOOHNP/Li cell with inset showing the EIS plots before and after polarization
    • Table 1. Physical parameters of different separators

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      Table 1. Physical parameters of different separators

      Thickness/μmPorosity/%Electrolyte uptake /% Bulk resistance Ionic conductivity /(mS·cm-1) Lithium-ion transference number
      PE939.684.61.060.430.15
      PE-AlOOHNP1242.4112.51.370.450.39
      PE-AlOOHNS1246.6138.91.310.470.42
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    Kun FENG, Yong ZHU, Kaiqiang ZHANG, Zhang CHEN, Yu LIU, Yanfeng GAO. Boehmite Nanosheets-coated Separator with Enhanced Performance for Lithium-ion Batteries[J]. Journal of Inorganic Materials, 2022, 37(9): 1009

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    Paper Information

    Category: RESEARCH ARTICLE

    Received: Jan. 27, 2022

    Accepted: --

    Published Online: Jan. 12, 2023

    The Author Email: LIU Yu (yuliu@mail.sic.ac.cn), GAO Yanfeng (yfgao@shu.edu.cn)

    DOI:10.15541/jim20220050

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