Acta Phys. -Chim. Sin. ›› 2009, Vol. 25 ›› Issue (07): 1385-1390.doi: 10.3866/PKU.WHXB20090727

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Performances of Ti/SnO2-Sb2O5 Anodes Prepared by Brush Coating Thermal Decomposition Method

SUN Zhi-Quan, LU Hai-Yan, REN Xiu-Bin, HUANG Wei-Min, DONG Yan-jie, LIN Hai-Bo   

  1. College of Chemistry, Jilin University, Changchun 130012, P. R. China
  • Received:2008-12-15 Revised:2009-04-03 Published:2009-06-26
  • Contact: LIN Hai-Bo E-mail:lhb910@jlu.edu.cn

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Abstract:

Antimony doped tin dioxide coated electrodes (Ti/SnO2-Sb2O5) on Ti substrates were prepared by the brush coating thermal decomposition method. Preparation conditions, structure, electrochemical characterization and service life of Ti/SnO2-Sb2O5 electrodes were investigated by scanning electron microscopy (SEM), X-ray diffraction (XRD), cyclic voltammetry (CV) and accelerated life test methods. Results show that Ti/SnO2-Sb2O5 electrodes have a dry cracked-mud coating structure. A Ti/SnO2-Sb2O5 electrode coating prepared at an annealing temperature of 550 ℃ and with a molar ratio of nSn:nSb=9:1 for the precursor solution has a flat and compact surface, few cracks, low porosity, and good stability.

Key words: Thermal decomposition, Ti/SnO2-Sb2O5 electrode, Brush coating, Preparation, Performance

MSC2000: 

  • O646