In order to enhance the chlorine evolution activity and decrease production costs,this study employed the thermal decomposition method to fabricate Ru/Ti electrodes doped with various low-cost metal elements.The micro-morphology,surface structure,electrochemical properties,and chlorine evolution performance were characterized and analyzed.The results show that the performance of Ru/Ti electrodes can be effectively regulated by introducing low-cost metal elements,and the doping of Mn,Co,La,Ce,In and Bi elements can decrease the width and depth of surface cracks on the RuTiX(X represents doped metal element,with molar ratio of 3∶7∶2)electrodes.Particularly,the surface cracks on the RuTiCe electrode are the narrowest,and with a significant difference between chlorine and oxygen evolution potentials,its available chlorine concentration reaches as high as 254.0 mg/L,showcasing excellent chlorine evolution selectivity.
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