电极制作方法对电解二氧化锰循环伏安行为的影响  

Influences of Different Methods of Electrode Fabrication On the Cyclic Voltammetric Behavior of Electrolytic Manganese Dioxide

作　　者：李敏娇[1] 司玉军[1] 熊中平[2] 封雪松[1] 陈昌国[3] 

机构地区：[1]四川理工学院化学系,自贡643000 [2]四川理工学院材化系,自贡643000 [3]重庆大学化学化工学院,重庆400030

出　　处：《理化检验（化学分册）》2007年第12期993-996,共4页Physical Testing and Chemical Analysis(Part B:Chemical Analysis)

摘　　要：采用压制泡沫镍、石墨棒模具、粉末微电极三种电极制作方法研究电解二氧化锰在硫酸镁溶液中的循环伏安行为,并用X射线衍射法分析电解二氧化锰放电/充电后结构形态的变化。结果表明:用粉末微电极制作的研究电极在循环伏安扫描过程中反应灵敏、解析度好,所得循环伏安谱图中还原、氧化峰的变化与X射线衍射谱图中衍射峰的变化具有较好的对应关系,能更真实地反映电解二氧化锰的电化学性质。Effects of different methods of electrode fabrication,i.e.① method of porous nickel electrode pressed with thin pieces of electrode material;② graphite rod mould electrode;and ③ powder microelectrode,on the cyclic behavior of electrolytic manganese dioxide in solution of magnesium sulfate were studied.Changes of structural speciation of electrolytic manganese dioxide after discharge and charge were also studied by the X-ray diffraction method.It was found that high sensitive reactivity and good resolution w...

关 键 词：电极制作方法 电解二氧化锰 循环伏安法 电化学行为 

分 类 号：O657.1[理学—分析化学]