【摘要】 用固相合成法制备Ag2O作为超级电容器材料,通过循环伏安与恒流充放电等测试手段对Ag2O电极及与作为负极的活性炭电极组成的电容进行分析.结果表明,在7mol·L-1KOH电解液中,Ag2O电极在0.15～0.35V(相对于Hg/HgO)的电压范围内表现出了法拉第电容特性.在不同电流密度下,电极比容量达427.3～554.9F·g-1,Ag2O/活性炭单体电容器比电容为42.5～61.65F·g-1.同时还对正极中Ag2O的含量及导电剂对Ag2O/活性炭单体电容器性能的影响进行了研究.更多还原

【Abstract】 The Ag₂O is synthesized by solid-phase reaction as electrode material for electrochemical supercapacitor. Ag₂O electrode and the Ag₂O/active carbine supercapacitor are tested by cyclic voltammetry（CV） and constant charge-discharge curves. The experimental results show that Ag₂O electrode has good performance of faradic capacitance in 7 mol·L^-1KOH between 0.15 and 0.35V（vs Hg/HgO）. The supercapacitor can provide a specific capacitance of 427.3 to 554.9 F·g^-1 and the Ag₂O/active carbon electrodes can provide a specific capacitance of 42.5 to 61.65 F·g^-1 at different current densities. The effect of Ag₂O content in the cathode and conductive substance on Ag₂O/active carbon supercapacitor performance is also studied.更多还原