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Citation: Zheng Dong-Hong, Lu Tian-Hong, Zhang Cun-Zhong, Li Guo-Zheng. Study on the Property of Vitamin B₁₂-Modified Electrode and its Electrocatalysis for the Reduction of Oxygen[J]. Acta Physico-Chimica Sinica, ;1997, 13(09): 797-801. doi: 10.3866/PKU.WHXB19970906 shu

Study on the Property of Vitamin B₁₂-Modified Electrode and its Electrocatalysis for the Reduction of Oxygen

1.
Changchun Institute of Applied Chemistry,Chinese Academy of Sciences,Changchun 130022

Received Date: 31 December 1996
Available Online: 15 September 1997

It was found that vitamin B12 could be strongly adsorpted on the anodized glassy carbon electrode to form a vitamin B12-modified glassy carbon electrode. The modified electrode is stable in a wide pH range. The electrochemical characteristics of the modified electrode were studied in details. In addition, it was found that the reduction of oxygen could be catalyzed by the modified electrode to form H2O2. An EC mechanism was suggested for the process, and the follow up chemical reaction might be the rate-determined step.
- Vitamin B₁₂,
- Chemically modified electrode,
- Electrocatalysis,
- Reduction of oxygen
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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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Study on the Property of Vitamin B12-Modified Electrode and its Electrocatalysis for the Reduction of Oxygen

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通讯作者: 陈斌, bchen63@163.com

Study on the Property of Vitamin B₁₂-Modified Electrode and its Electrocatalysis for the Reduction of Oxygen