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Citation: Tian Jian-Hua, Gu Lin-Ying. Study of the Reduction Mechanism of MnO₂ by Rotating Ring-Disk Electrode[J]. Acta Physico-Chimica Sinica, ;1996, 12(05): 446-450. doi: 10.3866/PKU.WHXB19960512 shu

Study of the Reduction Mechanism of MnO₂ by Rotating Ring-Disk Electrode

1.
Department of Applied Chemistry,Tiajin University,Tianjin 300072

Received Date: 14 August 1995
Available Online: 15 May 1996

The cathodic reduction mechanism of MnO2 electrode is studied by means of the rotating ring-disk electrode. The mass transport process in the solution plays an important role in the reduction process of MnO2 electrode. The relation between IR-1 and ω-1/2 is deduced as a diagnostic criterion of the reduction mechanism. The dissolution-precipitation and the electron-proton mechanism occur simultaneously but the relative contributions are quite different in various pH value solutions.
- MnO₂;Rotating ring-disk electrode;Cathodic reduction of MnO₂
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Study of the Reduction Mechanism of MnO2 by Rotating Ring-Disk Electrode

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通讯作者: 陈斌, bchen63@163.com

Study of the Reduction Mechanism of MnO₂ by Rotating Ring-Disk Electrode