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Citation: Wang Xiao-Feng, Wang Da-Zhi, Liang Ji, Liu Qing-Guo. Electrochemical Performance of RuO₂/Active Carbon Composite Electrodes[J]. Acta Physico-Chimica Sinica, ;2002, 18(08): 750-753. doi: 10.3866/PKU.WHXB20020816 shu

Electrochemical Performance of RuO₂/Active Carbon Composite Electrodes

1.
Department of Mechanical Engineering, Tsinghua University, Beijing　100084;Laboratory on Solid Electrolyte, Beijing Science and Technology University, Beijing　100083

Received Date: 28 November 2001
Available Online: 15 August 2002

Supercapacitors are playing great roles in research-and-development field of power engineering as a new energy store device. The porous carbon material developed in our laboratory exhibits perfect physical structure and properties. Its od electrochemical performances were confirmed by the experiment of CV and alternating current impedance analysis etc. The specific capacitance of active carbon was 172 F•g－1 at the 20 mA•cm－2 current density discharge. The RuO2/active carbon composite electrode was prepared and the specific capacitance amounts to 359 F•g－1,electrochemical performance of supercapacitor composed of RuO2/active carbon composite electrode and the “pseudo-capacitance” characteristic of ruthenium oxide was discussed in detail in this paper
- Super-capacitor;Double layer capacitor;Active carbon;Pseudo-capacitance;Ruthenium oxide
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沈阳化工大学材料科学与工程学院沈阳 110142

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通讯作者: 陈斌, bchen63@163.com

Electrochemical Performance of RuO₂/Active Carbon Composite Electrodes