Đặc tính điện hóa của điện cực Ti/RuO2 chế tạo từ dạng sol-gel muối ruteni

Abstract

Ti/RuO₂ electrode formed by solgel of rutheniumsalt and thermal decomposition techniques on titanium was studied by using cyclic voltammetry and galvanodynamic polarisation in solution: H₂SO₄ 0.5 M and NaCl 3%. The electrocatalytic activity of Ti/RuO₂ electrode for the oxygen and chlorine evolution reaction depends on the propeties of titanium surface, the temperature of heating treatment and the number of cyclic voltammetry. With the RuO₂ coated on the anodized titanium surface the electrocatalytic activity for oxygen and chlorine reaction is 5 time higher by 400^oC. But the ratio of i_Cl2/i_O2 is on the non anodized titanium surface in NaCl 3% is higher.