作　　者： ; ;

机构地区： 华南师范大学化学与环境学院

出　　处： 《电化学》 2009年第3期284-287,共4页

摘　　要： 由单质硫与碳纳米管合成一种新型含碳复合材料.XRD、SEM、BET比表面和孔径分布表征观察硫-碳纳米管复合材料,循环伏安法和电池充放电测试材料的电化学性能.结果表明:以硫-碳纳米管作正极组装的2016型扣式电池有较好的电化学性能,其初始放电比容量达680mAh/g(室温),30次循环放电比容量仍稳定在500mAh/g. A carbon-containing composite was synthesized by heating element sulfur and carbon nanotubes. The sulfur-carbonnanotube composites were characterized by X-ray diffraction, SEM, Brunauer-Emmett-Teller. The electrochemical property was characterized by cyclic voltammetry, constant current charge and discharge. It was revealed that the sulfur-carbonnanotube cathode 2016-type coin ceils exhibited a good electrochemical property with the initial dicharge specific capacity up to 680 mAh/g and a stable capacity approximately 500 mAh/g after 30 cycle numbers.

关 键 词： 锂硫二次电池 单质硫 碳纳米管 复合材料

领　　域： [电气工程]