| Effect of catalyst on structure of （PEO）8LiClO4-SiO2 composite polymer electrolyte films |
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| 引用本文： | 潘春跃,张倩,冯庆,高金环,赵悠曼. Effect of catalyst on structure of （PEO）8LiClO4-SiO2 composite polymer electrolyte films[J]. 中南工业大学学报(英文版), 2008, 15(4): 438-442. DOI: 10.1007/s11771-008-0082-z |
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| 作者姓名： | 潘春跃 张倩 冯庆 高金环 赵悠曼 |
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| 作者单位： | School of Chemistry and Chemical Engineering, Central South University, Changsha 410083, china |
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| 摘 要： | （PEO）8LiClO4-SiO2 composite polymer electrolytes（CPEs） were prepared by in-situ reaction, in which ethyl-orthosilicate （TEOS） was catalyzed by HCl and NH3·H2O, respectively. The ionic conductivity, the contact angle and the morphology of inorganic particles in the CPEs were investigated by AC impedance spectra, contact angle method and TEM. The conductivities of acid-catalyzed CPE and alkali-catalyzed CPE are 2.2×10^-5 and 1.1×10^-5 S/cm respectively at 30 ℃. The results imply that the catalyst plays an important role in the structure of in-situ preparation of SiO2, and influences the surface energy and conductivity of CPE films directly. Meanwhile, the ionic conductivity is related to the surface energy.
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| 关 键 词： | 聚环氧乙烷 SiO2 电介质 催化反应 |
| 收稿时间： | 2007-08-17 |
Effect of catalyst on structure of (PEO)8LiClO4-SiO2 composite polymer electrolyte films |
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| Chun-yue Pan, Qian Zhang, Qing Feng, Jin-huan Gao and You-man Zhao. Effect of catalyst on structure of (PEO)8LiClO4-SiO2 composite polymer electrolyte films[J]. Journal of Central South University of Technology, 2008, 15(4): 438-442. DOI: 10.1007/s11771-008-0082-z |
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| Authors: | Chun-yue Pan Qian Zhang Qing Feng Jin-huan Gao You-man Zhao |
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| Affiliation: | (1) School of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, China |
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| Abstract: | (PEO)8LiClO4-SiO2 composite polymer electrolytes(CPEs) were prepared by in-situ reaction, in which ethyl-orthosilicate (TEOS) was catalyzed by HCl and NH3·H2O, respectively. The ionic conductivity, the contact angle and the morphology of inorganic particles in the CPEs were investigated by AC impedance spectra, contact angle method and TEM. The conductivities of acid-catalyzed CPE and alkali-catalyzed CPE are 2.2×10−5 and 1.1×10−5 S/cm respectively at 30 °C. The results imply that the catalyst plays an important role in the structure of in-situ preparation of SiO2, and influences the surface energy and conductivity of CPE films directly. Meanwhile, the ionic conductivity is related to the surface energy. |
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| Keywords: | PEO(polyethylene oxide) SiO2 composite polymer electrolyte conductivity catalytic reaction |
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