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structures of two activated carbons from sawdust with KOH activation and coconut-shell with steam activation for supercapacitor were analyzed by N2 adsorption method. The electrochemical properties... and that by steam activation is fitter for nonaqueous system. Key words: activated carbon; supercapacitor; aqueous system; nonaqueous system; capacitance ......
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): 741-746. [19] CHEN X, CHEN K, WANG H, XUE D. A colloidal pseudocapacitor: Direct use of Fe(NO3)3 in electrode can lead to a high performance alkaline supercapacitor system[J]. Journal of Colloid... by thermal decomposition method on pure titanium TA2 substrate at 270 ℃. The supercapacitor behavior of RuO2-TiO2 coating was investigated by cyclic voltammetry(CV), electrochemical impedance spectroscopy......
capacitance of PLI remains 75 F/g, indicating the good cycleability. Key words: polyaniline nanofibre; redox supercapacitor; interfacial polymerization; lithium salt doping 1 Introduction... supercapacitor shows the longest discharge time of 60 s and the highest specific capacitance of 120 F/g (47 F/g for PH and Fig.4 Cyclic voltammogram of PLI non-aqueous capacitor in different......
. It is demonstrated that the composite material has advantages of both the high power density of the supercapacitor and the high energy density of the lithium ion battery. Moreover, the electrochemical... mA·h/g, which is greatly improved compared with that of LiMn2O4. The capacity loss in constant current-constant voltage mode is no more than 0.01% after 100 cycles. Keywords: supercapacitor; LiMn2O4......
: MnO2; supercapacitor; capacitance; Ni doping; composite oxide 1 Introduction Supercapacitor is a promising energy storage device for meeting the high-power electric market[1-4]. Complementary to battery, supercapacitor can provide superior power density and cyclability, thus it is regarded......
the maximum surface area and capacitance. Key words: supercapacitor; activated carbon; mesophase pitch; chemical activation; pore structure; electrochemical properties 1 Introduction Supercapacitor is a kind of new energy storage device that can fill the gap between the rechargeable battery and conventional capacitor[1-2......
and the specific capacitance of ACMB-750 is 247.8 F/g at a scanning rate of 1 mV/s. Meanwhile, the specific capacitance of the button supercapacitor is up to 60 F/g at a charge/discharge current density of 0.5 A/g and the loss of specific capacitance is nearly neglectable after 5 000 cycles. Key words: phenolic resin; activated carbon microbeads; supercapacitor; specific capacitance; electrochemical performance......
器的比电容可达47.6F/g. 关键词: α-MoO3; 超级电容器; 电极材料; 炭气凝胶; 比电容 中图分类号: TM53 文献标识码: A Preparation of α-MoO3/CRF composite electrodes for application of supercapacitor LI Jun, WANG Xian-you, HUANG Qing-hua, DAI Chun-ling (College of Chemistry, Xiangtan University, Xiangtan 411105, China) Abstract: α-MoO3 powders for the application of supercapacitor active material was prepared by using (NH4)6Mo7O24......
