Citation: Zhang Nai-Dong, Li Ning, Peng Yong-Zhen. Preparation and Properties of Ti/ Sn、Sb Oxide Electrode by the Paste-coating Method[J]. Acta Physico-Chimica Sinica, ;2003, 19(12): 1154-1158. doi: 10.3866/PKU.WHXB20031213
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The paste-coating method is a modified method of coating-pyrogenation. In this new method, Ti-substrate electrode coated by oxides is covered with paste of Sn、Sb hydroxide to decrease the volatilization of the coating component. The preparation conditions for Ti/Sn、Sb oxide electrode by the paste-coating method are investigated. The effect of the amount of SbCl3 added and the sintering temperature on the electrode lifetime and oxygen evolution potential are investigated with EDS, SEM and XRD analysis. The results indicate that the electrode prepared by coating-pyrogenation appears some exposure of TiO2 due to inhomogeneous distribution of coating oxides on its surface, while the one prepared by paste-coating method enhances homogeneity for the same coating thickness. As a result, the electrode exhibits a higher oxygen evolution potential and has a longer lifetime for its higher electro-catalytic activity and the electrochemical stability.
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Keywords:
- Pyrogenation;Sn、Sb oxides;Electrode
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