Fibriform polyaniline/nano-TiO2 composite as an electrode material for aqueous redox supercapacitors |
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Authors: | Chaoqing Bian Aishui Yu Haoqing Wu |
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Institution: | Department of Chemistry, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Fudan University, 220 Handan Road, Shanghai 200433, P.R. China |
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Abstract: | Fibriform polyaniline/nano-TiO2 composite is prepared by one-step in situ oxidation polymerization of aniline in the presence of nano-TiO2 particles, which contains 80% conducting polyaniline by mass, with a conductivity of 2.45 S/cm at 25 °C. Its maximum specific capacitance is 330 F g?1 at a constant current density of 1.5 A g?1, and can be subjected to charge/discharge over 10,000 cycles in the voltage range of 0.05–0.55 V. |
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