Study on Performance of Ru-Ir-Ti/Ti Oxide Coating Anodes Prepared with Method of Surface Nitriding on Titanium

Abstract:

TiN intermediate layer was prepared by heating treatment of titanium plates under N₂ flow at 800°C, and the Ru-Ir-Ti/Ti oxide coating anodes were prepared by pechini method based on the as-prepared Ti/TiN substrate. The properties of the Ru-Ir-Ti/Ti coating anodes with and without TiN intermediate layer, such as microstructure, chlorine evolution, cyclic voltammetry and accelerated life test were investigated. The results show that the method of surface nitriding on titanium-based has not a significant impact on the chlorine evolution and catalytic activity, but has a certain role in the improvement of the anodic accelerated life.

• Periodical: Key Engineering Materials (Volume 544)
• Pages: 87-91
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.544.87
• Online since: March 2013
• Authors: Dong Qu, Jin Hu, Chun Feng Hu, Yu Tian Wang, Lin Su
• Keywords: Pechini Method, Ru-Ir-Ti/Ti Oxide Coating Anode, Surface Nitriding

References

[1] S. Trasatti. Elcctrocatalysis: understanding the success of DSA. Electrochim Acta, 45 (2000) 2277.

[2] Z. X. Zhang: Titanium electrode Engineering (Metallurgical Industry Press, Beijing, China, 2003).

[3] J.M. Hu, H.M. Meng, J.Q. Zhang, C.N. Cao. Degradation mechanism of long service life Ti/Ta2O5- IrO2 oxide anodes in sulphuric acid. Corrosion Science, 44 (2002) 1655.

DOI: 10.1016/s0010-938x(01)00165-2

[4] Y.Q. Wang, H.Y. Tong, W.L. Xu. Effect of SnO2+Sb2O3 Intermediate Layer on the Performance of Ti/SnO2 + Sb2O3/PbO2 Anodes. Chin. J. Appl. Chem., 21 (2004) 438.

[5] S.D. Yao, J.N. Shen, J. Sun, et al. The Surface Modifications and Failure Mechanism for IrO2+Ta2O5 Coated Titanium Anodes. Rare Metal Mater. Eng., 35 (2006) (1916).

[6] Z.C. Tao, J.Y. Pan, Q.F. Luo, Study on Preparations of Pt Inter-media and Effects of the Inter-media on the Performances of Ti-substrate IrO2-Ta2O5 Coating Anodes. J. Mater. Sci. Eng., 22 (2004) 240.

[7] J.F. Jiang, H.B. Xu, T.Y. Wang, et al. Study on Electrocatalytic Properties of TiN Based IrO2+Ta2O5 Coating Anodes. Rare Metal Materials and Engineering, 36 (2007) 344.

[8] S. Rudenja, J. Pan, I.O. Wallinder, et al. Passivation and anodic oxidation of duplex TiN coating on stainless steel. J Electrochem Soc, 146 (1999) 4082.

DOI: 10.1149/1.1392595

[9] Z.J. Ye, Y.P. Gan, W.K. Zhang, et al. Electrocatalytic properties of IrO2-Ta2O5 /Ti coating anodes with TiN interlayer. Chin. J. Nonferrous Metals, 19 (2009) 1473.

[10] Y.L. Xin, L.K. Xu, J.T. Wang, et al. Effect of sintering temperature on microsteucture and electrocatalytic properties of Ti/IrO2-Ta2O5 nano-oxide anodes, Rare Metal Mater. Eng., 39 (2010) (1903).

DOI: 10.1016/s1875-5372(10)60135-x

[11] O.R. Camara, S. Trasatti: Surface electrochemical properties of Ti/(RuO2+ZrO2) electrodes. Electrochimica Acta, 41 (1996) 420.

DOI: 10.1016/0013-4686(95)00315-0

[12] S. Trasatti. Physical electrochemistry of ceramic oxide. Electrochim Acta, 36 (1991) 225.