摘要
采用旋转涂覆工艺制备了RuO2薄膜电极,SEM揭示了RuO2薄膜的厚度为7.7~8.0μm,拉伸实验测试得该薄膜附着力的平均值为18.00MPa;XRD结构分析表明该薄膜的最理想烧结温度为270℃。此外,进一步的电化学性能测试表明RuO2薄膜的循环伏安、充放电及阻抗性能优良,该薄膜电极的比电容Cp、能量密度W、功率密度P及内阻ESR分别为705.3F/g、141.05Wh/kg、0.41kW/kg、0.436Ω。
RuO2 film electrodes were prepared by rotation coating method.SEM indicated film thickness is 7.7~8.0μm and the average of adhesion for the film is 18.00MPa through tensile experiment.XRD microstructure analysis shows the thin film ideal annealing temperature is 270℃.Addition,electrochimica experiment indicated excellent cyclic voltammetry and chronoamperometry and impedance of thin film.The thin film specific capacitance and energy dencity power density and inner resistance are 705.3F/g,141.05Wh/kg,0.41kW/kg,0.436Ω,respectively.
出处
《功能材料》
EI
CAS
CSCD
北大核心
2011年第2期339-342,共4页
Journal of Functional Materials
基金
国家高技术研究发展计划(863计划)资助项目(2007AA03Z240)
关键词
旋转涂覆法
氧化钌
薄膜厚度
附着力
电化学性能
rotation coating method
ruthenium oxide
film thickness
adhesion
electrochemica properties