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Polypyrrole composites with carbon materials for supercapacitors

Jingping Wang, Xiao Li, Xianfeng Du, Jie Wang, Hongrui Ma, and Xinli Jing

College of Chemistry and Chemical Engineering, Shaanxi University of Science and Technology, Xi’an, China

 

E-mail: wangjingping@sust.edu.cn

Abstract: Supercapacitors fill the gap between batteries and conventional solid state and electrolytic capacitors. Polypyrrole (PPy) is a very important electrode material for supercapacitors. However, the repeated volume changes usually damage PPy structure and result in PPy poor stability during a long-term charging/discharging process. PPy/carbon material composites were prepared to overcome the defects of pure PPy electrodes, and significant enhancement for the specific capacitance, charging/discharging rate and electrodes stability was demonstrated thereafter. The development of composite electrodes based on PPy and carbon materials is reviewed in this paper.

Keywords: Supercapacitors; Polypyrrole; Carbon nanotube; Graphene; Carbon fiber; Carbon aerogel

Full paper is available at www.springerlink.com.

DOI: 10.1007/s11696-016-0048-9

 

Chemical Papers 71 (2) 293–316 (2017)

Wednesday, May 29, 2024

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