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Citation: ZHAO Feng-Ming, MA Chun-An, CHU You-Qun, XU Ying-Hua. Oxygen Reduction on Ni-MnO₂ Electrode in Alkaline Solution[J]. Acta Physico-Chimica Sinica, ;2006, 22(06): 716-720. doi: 10.3866/PKU.WHXB20060614 shu

Oxygen Reduction on Ni-MnO₂ Electrode in Alkaline Solution

1.
Research Center of Nano Science and Technology, Key Laboratory of Green Chemistry Synthesis Technology, Zhejiang University of Technology, Hangzhou 310032, P. R. China

Received Date: 1 November 2005
Available Online: 31 May 2006

Manganese dioxide was synthesized by a spray pyrolysis method and Ni-MnO2 film-type electrode was prepared by a spray-coating approach as well. SEM and AFM in combination with electrochemical measures were employed to characterize the microstructure, electrocatalytic properties, and the correlation between electroreduction of oxygen and electrocatalysis of the Ni-MnO2 electrode. A reductive process of intermediate particle was discovered by fast cyclic voltammograms. The concentration of the intermediate particle could be cumulated and its life could be up to about 200 cycles. The reduction of the intermediate particle was the main reason of highly electrocatalytical activity for oxygen reduction reaction.
- Spray pyrolysis;Ni-MnO2 film-type electrode;Oxygen reduction reaction
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沈阳化工大学材料科学与工程学院沈阳 110142

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Oxygen Reduction on Ni-MnO2 Electrode in Alkaline Solution

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通讯作者: 陈斌, bchen63@163.com

Oxygen Reduction on Ni-MnO₂ Electrode in Alkaline Solution