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Citation: DING Ke-Qiang, DONG Lian-Hong, MA Zi-Chuan. Electrodeposition of Metal Ion(Ⅱ)-doped MnO₂ by Means of Cyclic Voltammetry[J]. Chinese Journal of Applied Chemistry, ;2008, 25(4): 429-432. shu

Electrodeposition of Metal Ion(Ⅱ)-doped MnO₂ by Means of Cyclic Voltammetry

1.
Chemistry & Material Science College, Hebei Normal University, Shijiazhuang 050016

Corresponding author: DING Ke-Qiang,
Received Date: 29 March 2007
Available Online: 18 September 2007
Fund Project: 国家自然科学基金(20477009) (20477009)河北省留学回国人员择优(106115) (106115)河北师范大学博士基金(130301)资助项目 (130301)

Metal ions copper(Ⅱ) and cobalt(Ⅱ) were successfully electrodeposited into manganese oxide by means of cyclic voltammetry,respectively.The results obtained from EDAX and SEM strongly demonstrate that the introduced metal ions were doped into manganese oxide and the configuration of manganese oxide was influenced by the doped metal ions,i.e.,the whisker of Cu²⁺-doped MnO₂ is slender,and the particles of Co²⁺-doped MnO₂ is smaller and denser when compared to the pure MnO₂.The specific capacitance value of Cu²⁺-doped MnO₂ is 38.52×10^-3 F/cm² and that of Co²⁺-doped MnO₂ is 36.32×10^-3 F/cm²,which are all higher than the corresponding value of pure MnO₂(30.66×10^-3 F/cm²),suggesting that it is feasible to employ this developed method to generate improved MnO₂.
- cyclic voltammetry,
- doping,
- copper ion(Ⅱ),
- cobalt ion(Ⅱ),
- manganese oxide,
- specific capacitance
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Electrodeposition of Metal Ion(Ⅱ)-doped MnO₂ by Means of Cyclic Voltammetry