Preparation and Properties of CRGP Flexible Conducting Thin Films and Its Supercapacitors
HAO Hong-ying1, WANG Qian2, WANG Wen-jun2
1. School of Civil and Environmental Engineering, University of Science & Technology Beijing, Beijing 100083, China;
2. Beijing Engineering Research Center of Cellulose and Its Derivatives, Beijing Institute of Technology, Beijing 100081, China
Abstract：Using CNFs as the substrate, CNFs/RGOn films were prepared by layer-by-layer assembly method. Further, a new supercapacitor (S-RGP) was fabricated by these CPGP thin film electrodes which were got by in-situ polymerization of PANI on CNFs/GG films. The characteristics of CRGP film electrodes, such as absorbance, crystallization feature and configuration were analyzed by XRD, UV-visible spectrophotometry and SEM. The CV curve, GCD and EIS electrochemical characteristics of supercapacitors S-RGP were further tested. The results indicate that the surface of CRGP films was nonuniform, and some active substance kept in the gap between PANI and substrates paper leading to less internal resistance in S-RGP supercapacitor. Electrochemical characteristics measurement shows that the S-RGP supercapacitor has lower ESR, and its capacitance performance cannot be affected by bending because of relative flexibility. S-RGP supercapacitors have weak electrochromic properties, for the PANI film is thick and thus lower opaque by in-situ polymerization process of PANI on CNFs/RGOn films.
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HAO Hong-ying, WANG Qian, WANG Wen-jun. Preparation and Properties of CRGP Flexible Conducting Thin Films and Its Supercapacitors. Journal of Materials Engineering, 2015, 43(7): 26-31.
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