• Journal of Inorganic Materials
  • Vol. 36, Issue 2, 161 (2021)
Qi ZHAO1, Ke QIAO1, Yongji YAO1, Zhang CHEN1, Dongchu CHEN2、*, and Yanfeng GAO1、*
Author Affiliations
  • 11. School of Materials Science and Engineering, Shanghai University, Shanghai 200444, China
  • 22. School of Materials Science and Energy Engineering, Foshan University, Foshan 528000, China
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    DOI: 10.15541/jim20200376 Cite this Article
    Qi ZHAO, Ke QIAO, Yongji YAO, Zhang CHEN, Dongchu CHEN, Yanfeng GAO. High-conductivity Hydrophobic Fumed-SiO2 Composite Gel Electrolyte for High Performance Electrochromic Devices[J]. Journal of Inorganic Materials, 2021, 36(2): 161 Copy Citation Text show less
    Static water contact angle (CA) of hydrophobic fumed SiO2
    . Static water contact angle (CA) of hydrophobic fumed SiO2
    Nyquist plots (a), ionic conductivity (b) and viscosity (c) of PMMA-based GPEs with 0, 0.2wt%, 0.5wt%, 0.8wt% and 1.0wt% fumed SiO2. Electrochromic switching behaviors at 633 nm (e), colored state EIS (d) and CV curves (f) of ECDs contained PMMA-based GPEs with 0, 0.5wt% fumed SiO2. Scan rate: 100 mV/s
    2. Nyquist plots (a), ionic conductivity (b) and viscosity (c) of PMMA-based GPEs with 0, 0.2wt%, 0.5wt%, 0.8wt% and 1.0wt% fumed SiO2. Electrochromic switching behaviors at 633 nm (e), colored state EIS (d) and CV curves (f) of ECDs contained PMMA-based GPEs with 0, 0.5wt% fumed SiO2. Scan rate: 100 mV/s
    Particle size of hydrophobic fumed silica (a) and hydrophilic fumed silica (b) in PC
    . Particle size of hydrophobic fumed silica (a) and hydrophilic fumed silica (b) in PC
    FT-IR spectrum of hydrophobic fumed SiO2
    . FT-IR spectrum of hydrophobic fumed SiO2
    Schematic diagram of the transportation of Li+ ion through H-SiO2GPEs with three-dimensional structure
    . Schematic diagram of the transportation of Li+ ion through H-SiO2GPEs with three-dimensional structure
    Ionic conductivity of liquid electrolyte with 0, 0.2wt%, 0.5wt%, 0.8wt%, and 1.0wt% fumed SiO2 (a), and colored state Nyquist plots (b) and CV curves (c) of WO3 films in liquid electrolyte with 0, 0.2wt%, 0.5wt%, 0.8wt% and 1.0wt% fumed SiO2. Scan rate: 100 mV/s
    . Ionic conductivity of liquid electrolyte with 0, 0.2wt%, 0.5wt%, 0.8wt%, and 1.0wt% fumed SiO2 (a), and colored state Nyquist plots (b) and CV curves (c) of WO3 films in liquid electrolyte with 0, 0.2wt%, 0.5wt%, 0.8wt% and 1.0wt% fumed SiO2. Scan rate: 100 mV/s
    SEM images of pure GPEs (a) and 0.5wt% H-SiO2 GPEs (b)
    . SEM images of pure GPEs (a) and 0.5wt% H-SiO2 GPEs (b)
    XRD patterns of the as-prepared WO3(a), SEM image of WO3 films coated on ITO substrates(b), TEM images of WO3 dispersion (c) and typical nanorod (d) with high magnification
    . XRD patterns of the as-prepared WO3(a), SEM image of WO3 films coated on ITO substrates(b), TEM images of WO3 dispersion (c) and typical nanorod (d) with high magnification
    ElectrolyteIonic conductivity/(mS·cm-1)
    PMMA/LiClO4/hydrophobic SiO2 (This work)5.14
    PMMA/LiClO4/hydrophilic SiO2[1]3.8
    P(BMA-St)/hydrophilic SiO2[2]2.15
    PEO/LiCF3SO3/TiO2[3]0.16
    PVDF/LiClO4/palygorskite[4]0.12
    PMMA/LiClO4/[Emim]BF4[5]2.9
    PVB/LiClO4[6]0.04
    PVDF-HFP/LiCF3SO3/ZrO2[7]1.78
    PAN/LiClO4/Li0.33La0.557TiO3[8]0.0605
    Table 1.

    Ion conductivity of gel electrolytes from the literature

    Qi ZHAO, Ke QIAO, Yongji YAO, Zhang CHEN, Dongchu CHEN, Yanfeng GAO. High-conductivity Hydrophobic Fumed-SiO2 Composite Gel Electrolyte for High Performance Electrochromic Devices[J]. Journal of Inorganic Materials, 2021, 36(2): 161
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