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采用热分解法制备了掺杂CeO2的Ti基RuO2-SnO2涂层阳极,通过开路电位测试、循环伏安测试以及交流阻抗测试研究了所制备涂层阳极的电催化性能,并用扫描电镜观察了涂层阳极的表面形貌。结果表明,在涂层阳极中掺杂CeO2可以提高涂层阳极的电催化活性,CeO2的最佳掺杂量为0.4(摩尔分数)。涂层阳极电催化性能提高的原因在于掺杂的CeO2可以提高涂层的有效活性表面积。
The Ti-based RuO2-SnO2-coated anode doped with CeO2 was prepared by thermal decomposition method. The electrocatalytic properties of the prepared anode were investigated by open circuit potential test, cyclic voltammetry and AC impedance measurements. Layer anode surface morphology. The results show that the electrocatalytic activity of the coated anode can be enhanced by doping CeO2 into the anode of the coating. The optimal doping amount of CeO2 is 0.4 (mole fraction). The reason for the improved electrocatalytic performance of the coated anode is that doped CeO2 can increase the effective active surface area of the coating.