Effect of Lithium Perchlorate on the Optoelectrical and Thermal Properties of Poly(Vinylpyrrolidone)/Nano-Cesium Aluminate Solid Polymer Electrolytes

Adel Saeed, M. Al-Gunaid, Siddaramaiah
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引用次数: 9

Abstract

ABSTRACT Solid polymer electrolyte (SPE) of polyvinylpyrrolidone (PVP) with varying amounts, namely, 5, 10, and 15 wt% of lithium perchlorate (LiClO4) as an electrolyte and 8 wt% cesium aluminum oxide (CsAlO2) nanoparticle have been fabricated by solution intercalation technique. The optoelectrical behaviors of the SPE films have been evaluated using UV–visible spectroscopy. The UV–visible spectral studies revealed the UV light-absorbing nature of NC films with considerable visible transparency. The chemical structure and morphological behaviors of PVP/8 wt% of CsAlO2–LiClO4 SPE films have been established by Fourier transform infrared spectroscopy, X-ray diffraction, and scanning electron microscopy, respectively. The AC conductivity of the SPEs was evaluated at room temperature by digital LCR meter in the frequency range 100 Hz–5 MHz. The thermal behaviors such as Tg and degradation patterns of the SPEs have been evaluated using differential scanning calorimetric analysis and thermogravimetric analysis, respectively. GRAPHICAL ABSTRACT
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高氯酸锂对聚(乙烯基吡咯烷酮)/纳米铝酸铯固体聚合物电解质光电和热学性能的影响
采用溶液插层技术制备了聚乙烯吡咯烷酮(PVP)固体聚合物电解质(SPE),电解质分别为5、10、15 wt%的高氯酸锂(LiClO4)和8 wt%的氧化铈(CsAlO2)纳米颗粒。利用紫外可见光谱法对SPE薄膜的光电性能进行了评价。紫外-可见光谱研究揭示了NC膜的紫外吸收特性,并具有相当的可见光透明度。利用傅里叶变换红外光谱、x射线衍射和扫描电镜分别对PVP/ 8wt % CsAlO2-LiClO4 SPE膜的化学结构和形态行为进行了表征。在100hz - 5mhz的频率范围内,用数字LCR计测量了室温下spe的交流电导率。用差示扫描量热分析和热重分析分别评价了SPEs的热行为,如Tg和降解模式。图形抽象
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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%
发文量
0
审稿时长
4 months
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