以聚乙二醇(PEG),碳酸氢铵分别为模板和沉淀剂,通过简单的水热改性制备了前驱体Ni(OH)2,然后经热处理得到NiO.用X射线衍射(XRD)和扫描电子显微镜(SEM)对产物的结构和形貌进行表征,用循环伏安(CV)和交流阻抗(AC)对产物的电化学性能进行测试.结果表明,所制备的氧化镍,在0.0-0.5V(vs.SCE)的电位范围内,具有良好的电容性能和循环稳定性,并且在6mol/L的氢氧化钾溶液中单电极的放电比电容在0.25V电位下为397F/g,当电位为0.35V时比电容达到了483F/g.
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