Citation: You Qun CHU, Chun An MA, Feng Ming ZHAO, Hui HUANG. Electrochemical Reduction of Oxygen on Multi-walled Carbon Nanotubes Electrode in Alkaline Solution[J]. Chinese Chemical Letters, ;2004, 15(7): 805-807. shu

Electrochemical Reduction of Oxygen on Multi-walled Carbon Nanotubes Electrode in Alkaline Solution

Department of Applied Chemistry, Zhejiang University of Technology, Hangzhou 310032

Received Date: 19 March 2003

Fund Project: The project is supported by the Natural Science Foundation of Zhejiang province (299502) and this is gratefully acknowledged.

The multi-walled carbon nanotubes (MWNTs) electrode was constructed using poly-tetrafluoroethylene as binder, and the electrochemical reductive behavior of oxygen in alkaline solution was first examined on this electrode. Compared with other carbon materials, MWNTs show higher electrocatalytic activity, and the reversibility of O₂ reduction reaction is greatly improved. The experiments reveal that the electrochemical reduction of O₂ to HO₂^- is controlled by adsorption. The preliminary results illustrate the potential application of MWNTs in fuel cells.
- Electrochemical reduction,
- oxygen,
- multi-walled carbon nanotubes
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