C@MnO2复合物的制备及其电化学性能Preparation and electrochemical properties of C@MnO2 spheres composites
郑德洲,徐新,娄建秋,汪金洋,高云芳
摘要(Abstract)：
采用水热法,通过控制KMnO_4浓度,制备出不同C/Mn比例的球体复合材料,应用于超级电容器,探讨不同C/Mn比例对比电容的影响。结果表明,在0.5 mol/L Na_2SO_4电解液中,CSM-3最高比电容可达216 F/g,1 A/g电流密度下恒流充放电400次,容量衰减不到4%,循环稳定性良好。简要分析了复合材料电极过程中双电层电容和赝电容对总电极容量的贡献。
关键词(KeyWords)： 超级电容器;赝电容;复合结构;二氧化锰
基金项目(Foundation): 国家科技支撑计划(2104BAC03B03)
作者(Author): 郑德洲,徐新,娄建秋,汪金洋,高云芳
DOI: 10.16581/j.cnki.issn1671-3206.2017.11.037
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