曹维荣,黄如呈,罗澜,贾倩瑶,邓蕾,郭锦,张敏刚

• 1:太原科技大学华科学院
• 2:太原科技大学材料科学与工程学院

摘要(Abstract)：

通过球磨法和热处理法制备硫/乙炔黑/碳纳米管(S/AB/CNT)复合材料，并用溶剂蒸发法制备聚乙二醇(PEG)包覆的S/AB/CNT复合材料。对制备的PEG包覆S/AB/CNT复合材料进行XRD分析，表明PEG包覆可以减弱硫的晶态结构。对PEG包覆量不同的S/AB/CNT复合材料进行SEM形貌分析，表明PEG包覆使S/AB/CNT复合材料表面更光滑。通过PEG包覆量不同的S/AB/CNT正极的电化学测试表明，含量为4 wt%时的PEG包覆S/AB/CNT复合电极电化学性能最好。在0.1 C电流倍率下，首次放电比容量为907 mAh/g, 80次循环后容量仍保持在800 mAh/g,说明PEG包覆能很好地改善复合材料的电化学性能。

关键词(KeyWords)： 锂硫电池;硫碳复合材料;电化学性能;PEG

Abstract:

Keywords:

基金项目(Foundation): 晋城市科技计划项目(20198037);; 山西省高等学校大学生创新创业训练项目(2019945);; 太原科技大学科研启动基金(20192035);; 山西省研究生优秀创新项目(2019SY485)

作者(Author): 曹维荣,黄如呈,罗澜,贾倩瑶,邓蕾,郭锦,张敏刚

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