Dry modification of electrode materials by roller vibration milling at room temperature

查看全文 作　　者：Shengjuan Li Shulin Wang Bo [1]Xu

机构地区：[1]Department of Power Engineering, University of Shanghai for Science and Technology, 516 Jungong Road, Shanghai 200093, China

出　　处：《Particuology》索引2008年第6卷第5期,共6页

基　　金：Shanghai Nano-technology Special Fund,Grant No.05nm05027;Shanghai Education Fund,Grant No.05EE09. 摘　　要：For the first time dry roller vibration milling at room temperature was used to prepare active carbon(AC)nano-particles and to modify MnO2 powder as electrode materials.In 30 min AC was milled to a mean particle size of 30–50 nm with increased crystallinity and higher specific surface area,predominantly mesoporous and with improved pore diameter distribution.Then,AC nano-particles were incorporated with MnO2 or bismuth-doped MnO2 nano-particles synthesized by sol–gel methods to prepare nano-composite electrode materials for studying their electrochemical performance.The AC nano-particles combined with 10 wt.%bismuth-doped MnO2 nano-particles were found to possess excellent electrochemical property with specific capacitance up to 308 F/g and without obvious attenuation with increasing current.Our method seems to open a new way to improve AC based electrode materials used for clean energy such as super capacitors. 关键词：活性碳滚筒振动电极材料室内空气

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Dry modification of electrode materials by roller vibration milling at room temperature

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耦合文献(163)

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