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Effect of activated carbon and electrolyte on properties of supercapacitor ZHOU Shao-yun(周邵云), LI Xin-hai(李新海), WANG Zhi-xing(王志兴), GUO Hua-jun(郭华军), PENG Wen-jie(彭文杰) School of Metallurgical... supercapacitor was investigated. The results show that specific surface area and mesoporosity of activated carbon influence specific capacitance. If specific surface area is larger and mesoporosity......
Application of spherical Ni(OH)2/CNTs composite electrode in asymmetric supercapacitor WANG Xiao-feng(王晓峰), RUAN Dian-bo(阮殿波), YOU Zheng(尤 政) Department of Precision Instruments ... composite electrode, the asymmetric supercapacitor exhibits high energy density and stable power characteristics. Key words: nickel hydroxide; carbon nanotubes; activated carbon; asymmetric......
; Preparation and properties of pitch carbon based supercapacitor LIU Ye...: Using the mesophase pitch as precursor, KOH and CO2 as activated agents, the activated carbon electrode material was fabricated by physical-chemical combined activated technique for supercapacitor......
Activated nitrogen-enriched carbon/carbon aerogel nanocomposites for supercapacitor applications QIN Chuan-li(秦川丽)1,2, LU Xing(卢 幸)2, YIN Ge-ping(尹鸽平)1, BAI Xu-duo(白续铎)2, JIN Zheng(金 政)2 1... ratio of ANC/ACA is 12?1, the ANC/ACA shows the highest Cp1 (312.8 F/g) vs 103.4 F/g of ACA and 230.1 F/g of ANC. And the optimal asymmetric supercapacitor with the ANC/ACA as cathode also shows......
Charge-discharge process of MnO2 supercapacitor LIU Kai-yu(刘开宇)1, 2, ZHANG Ying(张 莹)1, ZHANG Wei(张 伟)1, ZHENG He(郑 禾)1, SU Geng(苏 耿)1 1. School of Chemistry and Chemical Engineering... impedance. The charge-discharge process of MnO2 supercapacitor in 6 mol/L KOH was studied within 1.2 V at 200 mA/g, suggesting that it displays double-layer capacibility in low potential scope......
Porous graphene paper for supercapacitor applicationsQi Li1,Xinli Guo1,Yao Zhang1,Weijie Zhang1,Chuang Ge1,Li Zhao1,Xiaojuan Wang1,Hongyi Zhang1,Jian Chen1,Zengmei Wang1,Litao Sun21. Jiangsu Key... requirements for supercapacitor applications. Finding methods to tackle these problems is rather challenging. Here, we develop a facile method to prepare porous graphene papers with a thickness 0.5 mm......
J. Cent. South Univ. Technol. (2009) 16: 0434-0439 DOI: 10.1007/s11771-009-0073-8 Hybrid supercapacitor based on polyaniline doped with lithium salt and activated carbon electrodes FANG Jing(方... characterized in non-aqueous electrolyte. PLi/C supercapacitors have a wider effective energy storage potential range and a higher upper potential. At the same time, the PLi/C supercapacitor exhibits......
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Double-activated porous carbons for high-performance supercapacitor electrodesJing Sun,Shu-Hua Yang,Shan-Shan Li,Bing-Qiang CaoMaterials Center for Energy and Photoelectrochemical Conversion, School of Material Science and Engineering,University of Jinan摘 要:The double-activated porous carbons(DAPCs)with unique bimodal pore structure were prepared......
supercapacitor was assembled with the PANI nanofibers as active electrode material and 1 mol/L H2SO4 aqueous solution as electrolyte. The electrochemical performances of the supercapacitor were tested... by conventional chemical polymerization, the PANI nanofiber material has better power characteristic and cycle performance in the application of supercapacitor. Key words:polyaniline; nanofiber......