RuO2-TiO2/Ti阳极的研究进展

钌系涂层钛阳极具有稳定性好、电催化活性高、环境友好等特点,在电解水、阴极保护以及电化学除垢等领域具有广泛的应用前景。其中,涂层中二氧化钌(RuO₂)的比例与存在形态是决定其电催化活性和稳定性的关键。在涂层钛阳极的制备中,热分解法因其操作简单、成本低、易工业化生产等优势而被广泛使用。介绍了目前在电解行业广泛应用的钌系涂层钛阳极——RuO₂-TiO₂/Ti阳极的应用领域,简述了RuO₂-TiO₂/Ti阳极中钌钛氧化物的特点和作用,并对RuO₂-TiO₂/Ti阳极的失效原因和制备工艺进行了阐述。主要综述了前处理、涂液组分比例、涂液浓度和烧结温度等工艺参数对通过热分解法制备的钛电极稳定性和电催化活性的影响,以及针对RuO₂-TiO₂/Ti阳极的失效原因提出钛阳极未来的改进方向,旨在促进本领域研究者更深入地了解钌钛阳极的特点、失效原因以及如何制备性能优良的涂层钛电极。

Research Progress of RuO2-TiO2/Ti Anode

Due to its good stability,high electrocatalytic activity and environmental friendliness,ruthenium coated titanium anodes have broad application prospects in the fields of electrolyzed water,cathodic protection and descaling.Among them,the proportion and existing form of ruthenium oxide(RuO₂)in the coating is the key to determine its electrocatalytic activity and stability.In the preparation of coated titanium anodes,thermal decomposion is widely used due to its advantages such as simple operation,low cost,and easy industrial production.This paper introduces the application fields of RuO₂-TiO₂/Ti anodes,which are widely used in the electrolysis industry.The characteristics and effects of RuO₂,TiO₂in RuO₂-TiO₂/Ti anodes are briefly described.The failure causes and preparation processes of RuO₂-TiO₂/Ti anodes are described.The effects of pretreatment,coating composition ratio,coating solution concentration and sintering temperature on the stability and electrocatalytic activity of titanium electrode prepared by thermal decomposion are reviewed.The future development direction of titanium anode is proposed for the failure of RuO₂-TiO₂/Ti anode.It is intended to promote researchers in this field to better understand the characteristics of the titanium anode,the cause of failure and how to prepare a coated titanium electrode with excellent performance.