【摘 要】
：
以荷叶为原料,采用多阶炭化的方法,得到高比表面积（572.1 m~2/g）和存在大量多级孔尤其微孔（平均孔径3.31 nm）结构居多的炭骨架,继而用高能球磨法及熔融法与单质硫进行复合制备出
【机 构】
：
河南师范大学化学化工学院,动力电源及关键材料国家地方联合工程实验室
【基金项目】
：
河南省重点科技攻关项目（122102210234）, 河南省教育厅高校科技创新人才支持计划（14HASTIT004）,河南省教育厅高等学校重点科研项目（15A150012）
论文部分内容阅读
以荷叶为原料,采用多阶炭化的方法,得到高比表面积（572.1 m~2/g）和存在大量多级孔尤其微孔（平均孔径3.31 nm）结构居多的炭骨架,继而用高能球磨法及熔融法与单质硫进行复合制备出不同含硫量（48wt%,62wt%,71wt%）碳/硫复合材料。通过XRD、FESEM、EDS和TG对材料结构和形貌进行表征,结果表明硫被均匀固定在多孔碳材料的类石墨烯层状结构和类微米棒结构中。充放电测试表明,62wt%含硫量的复合正极材料性能表现最佳,在0.1C,1.2~2.8 V范围内充放电,首次放电比容量达1246
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