【作者】 方勤； 王仁清； 邓梅根；

【Author】 FANG Qin,WANG Ren-qing,DENG Mei-gen (School of Electronics, Jiangxi University of Finance & Economics, Nanchang 330013, China)

【机构】 江西财经大学电子学院；

【摘要】 以酚醛树脂作为碳化聚合物,聚乙二醇为热分解聚合物,采用共混法制备了超级电容器活性炭电极材料。利用SEM和BET对实验制备的活性炭进行了分析和表征。以实验研制的活性炭为电极材料,利用循环伏安和恒流充放电测试对其电容特性进行了研究。结果表明,实验研制的活性炭的比表面积为2469m2/g,在7·5mA/cm2的电流密度下其比容达到327F/g,而且基于实验研制的活性炭的超级电容器具有低内阻和良好的功率特性。更多还原

【Abstract】 Activated carbon (AC) used as electrode material for supercapacitor was prepared by blending using phenolic as carbonized polymer and polyethylene glycol as the thermal decomposition polymer . SEM and BET were used to analyse the as prepared AC, The AC was made into supercapacitor electrode to study its capacitive performance by cyclicvoltammogram and galvanostatic charge/discharge. The results show that the specific surface area of the AC is 2469m2/g. At a current density of 7.5 mA/cm2, a specific capacitance of 327F/g is reached. Supercapacitors based on the AC had low ESR and excellent power property.更多还原