【摘要】 在镀镍金属基底上 ,应用电化学方法阴极沉积氢氧化镍 ,经热处理得到氧化镍功能薄膜材料 .用 X-射线衍射(XRD)、傅立叶变换红外光谱 (FTIR)和热重分析 (TG)等技术对氢氧化镍和氧化镍功能材料进行了分析和表征 .循环伏安技术测试表明 ,本实验阴极电沉积制备的氧化镍薄膜材料的比电容达到 5 5 F/ g,能量密度和功率密度分别达到 34J/ g和 15 W/ g.此外 ,该功能薄膜材料还显示出较高的机械强度和良好的循环寿命 .更多还原

【Abstract】 Thin films of nickel oxide as ultracapacitor electrode materials are prepared by heating nickel hydroxide fabricated by cathode electrodeposition method from the solution containing nickel nitrate. The X-ray diffraction (XRD), fourier transform infrared (FTIR) and thermogravimetry (TG) are used to analyze the electrodeposited film materials nickel oxide and nickel hydroxide. Using the cyclic voltammogram technique, these nickel oxide films electrodeposited can provide a specific capacitance of 55 F/g, and the specific energy and specific power of these films are 34 J/g and 15 W/g, respectively. In addition, these functional films formed by electrochemical deposition as ultracapacitor electrode materials have good mechanical strength and long cycle life.更多还原