KI掺入葡萄糖基羧基离子基生物聚合物结壳电解质的离子电导率和功率转换效率研究

E. Bementa, G. Okram, M. Rajan
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引用次数: 2

摘要

利用电阻抗谱法测量了表征良好的ki -葡萄糖基羧基离子基生物聚合物外壳电解质的阻抗,最大可达2.7 wt%。与之前报道的纯GCI的4.5278 × 10−4 S cm−1相比,在添加2.7 wt%的KI时,离子电导率提高了2.3657 × 10−2 S cm−1。这是由于系统中KI浓度的增加,离子密度(n)、迁移率(µ)和扩散系数(D)的增加也证实了这一点。介电和模量研究显示了电解质的电容性。在1个太阳条件下,用纯葡萄糖基碳鎓离子壳和KI掺杂的葡萄糖基碳鎓离子壳制备的染料敏化太阳能电池,纯葡萄糖基碳鎓离子壳的效率为1.19%,KI掺杂2.6 wt%葡萄糖基碳鎓离子壳的效率为2.14%。
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Ionic Conductivity and Power Conversion Efficiency Study of KI Incorporated Glucosyl Carboxonium Ion-based Biopolymer Crust Electrolyte
The impedance of well-characterized KI-incorporated glucosyl carboxonium ion-based biopolymer crust electrolytes up to a maximum 2.7 wt% was measured using electrical impedance spectroscopy. Enhanced ionic conductivity of 2.3657 × 10−2 S cm−1 on the addition of 2.7 wt% of KI was observed in contrast to earlier reported value for pure GCI of 4.5278 × 10−4 S cm−1. This is attributed due to the increased concentration of KI in the system and is corroborated with increased ion density (n), mobility (µ), and diffusion coefficients (D). Dielectric and modulus study shows the capacitive nature of electrolyte. Fabricated dye-sensitized solar cell using pure glucosyl carboxonium ion crust and KI-incorporated glucosyl carboxonium ion crust shows the efficiency of 1.19% for pure and shows the efficiency of 2.14% for 2.6 wt% of KI in glucosyl carboxonium ion at 1 sun condition.
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来源期刊
Polymer-Plastics Technology and Engineering
Polymer-Plastics Technology and Engineering 工程技术-高分子科学
CiteScore
1.71
自引率
0.00%
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0
审稿时长
4 months
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