| MnO_2/竹炭超级电容器电极材料的性能 |
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| 引用本文： | 宁娈,陈晓红,宋怀河,岳永德.MnO_2/竹炭超级电容器电极材料的性能[J].北京化工大学学报(自然科学版),2010,37(2):65-69. |
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| 作者姓名： | 宁娈 陈晓红 宋怀河 岳永德 |
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| 作者单位： | 1.北京化工大学 化工资源有效利用国家重点实验室， 北京 100029；2.国际竹藤网络中心， 北京 100102 |
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| 基金项目： | "十一五"国家科技支撑计划项目 |
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| 摘 要： | 采用机械球磨法将竹炭和MnO2按不同比例复合,得到一系列不同配比的MnO2/竹炭电容器电极复合材料,对其进行扫描电子显微镜(SEM),X射线衍射(XRD)和热重分析(TG-DSC),并进行循环伏安和电化学充放电测试。结果发现,当MnO2在复合材料中的质量分数为1%时,电极比容量可以达到338 F/g,100次循环后维持在260 F/g,显示很好的电化学性能。
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| 关 键 词： | 竹炭 MnO2 超级电容器 |
| 收稿时间： | 2009-05-20 |
Study of MnO_2/bamboo-based activated carbon composites as electrode materials for supercapacitors |
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| NING Luan,CHEN XiaoHong,SONG HuaiHe,YUE YongDe.Study of MnO_2/bamboo-based activated carbon composites as electrode materials for supercapacitors[J].Journal of Beijing University of Chemical Technology,2010,37(2):65-69. |
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| Authors: | NING Luan CHEN XiaoHong SONG HuaiHe YUE YongDe |
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| Institution: | 1. State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029;2. International Center for Bamboo and Rattan, Beijing 100102, China |
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| Abstract: | A series of MnO_2/bamboo-based activated carbon composites with different MnO_2 contents were prepared by a mechanical milling method and investigated by scanning electron microscopy,X-ray diffraction and thermo-gravimetry-differential scanning calorimetry.Cyclic voltammetry and constant current charge-discharge tests were al-so carried out.The specific capacitance of the composite containing 1% MnO_2 reached a maximum of 338 F/g and retained a value of 260 F/g after 100 charge-discharge cycles.The excellent electrochemical performance shows that the materials have potential applications in supercapacitors. |
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| Keywords: | MnO2 bamboo-based activated carbon manganese dioxide supercapacitor |
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