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Proceedings of the 7th National Conference on Functional Materials and Applications (FMA 2010 E-BOOK)

Changsha,China,10.16-10.18,2010

ISBN: 978-1-935068-41-9 Scientific Research Publishing, USA

E-Book 2313pp Pub. Date: October 2010

Category: Chemistry & Materials Science

Price: $360

Title: Effect of Ethylene Glycol on the Electrochemical Properties of Nano Fumed Silica Gel
Source: Proceedings of the 7th National Conference on Functional Materials and Applications (FMA 2010 E-BOOK) (pp 695-698)
Author(s): Mei-qiong Chen, City College of Dongguan University of Technology, Dongguan, China
Fa-liang Cheng, City College of Dongguan University of Technology, Dongguan, China
Min Zhang, City College of Dongguan University of Technology, Dongguan, China
Cheng-fang Sun, City College of Dongguan University of Technology, Dongguan, China
Zhi-quan Cai, City College of Dongguan University of Technology, Dongguan, China
Abstract: The morphology of the fumed silica was observed under Transmission Electron Microscope (TEM). It was found that the diameter of Aerosol A200 was about 10nm, and the fumed silica aggregates easily. The effects of ethylene glycol (EG) on the electrochemical properties of gel electrolytes have been investigated by means of cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS). The results show that adding 1% EG helps to improve the electrochemical property of gel electrolyte. The optimum dispersion times of fumed silica in sulfuric acid solution decrease greatly with the adding of EG.
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