石墨纸/二氧化锰复合材料的制备及其电容性能研究

Study on Preparation and Capacitive Performance of Manganese Dioxide Modified Graphite Sheet as a Flexible Supercapacitor

在含有0.10 M KCl和0.10 M Mn(CH3COO)2的溶液中施加1.4 V的恒电压电沉积60 s,将Mn O2沉积到石墨纸表面,制备出石墨纸/Mn O2复合材料。该方法简便高效,同时该复合材料具有很好的柔韧性、稳定性和电容特性。该材料有可能在柔性储能设备中有广泛应用。

Manganese dioxide modified graphite sheet as a flexible supercapacitor was prepared by electrodepositing manganese dioxide（MnO_2） onto novel graphite sheet with a constant potential of 1.40 V for 60 s in 0.10 M KCl and 0.10 M Mn（CH_3COO）_2. The compound presented superb capacitance and displayed a long circle life, which could offer a promising electrode material for preparing the stable and flexible energy storage devices.