A titanium-based ruthenium-iridium-tin-graphene (marked with Ru-Ir-Sn-G) composite oxide anode was prepared by thermal decomposition from a bath containing ruthenium(Ⅲ) chloride,chloroiridic acid and tin(Ⅳ) chloride with a Ru/Ir/Sn molar ratio of 17∶23∶60 after adding with 4 g/L graphene.The physical and electrochemical properties of Ru-Ir-Sn-G composite oxide anode and Ru-Ir-Sn oxide anode were comparatively studied by scanning electron microscopy,X-ray diffractometry,accelerated service life testing,polarization curve measurement and cyclic voltammetry.Compared to Ru-Ir-Sn oxide anode,the cracks of the coating on the surface of Ru-Ir-Sn-G composite oxide anode is finer and more uniform.The Ru-Ir-Sn-G composite oxide anode has higher chlorine-oxygen evolution selectivity,longer accelerated service life (extended by 41.41％),and an electrocatalytic activity 2.42 times of the Ru-Ir-Sn anode.%在Ru、Ir、Sn的摩尔比为17∶23∶60的三氯化钌+氯铱酸+四氯化锡涂液中加入0.4 g/L石墨烯,采用热分解法制备了钛基钌-铱-锡-石墨烯(Ru-Ir-Sn-G)复合氧化物阳极.通过扫描电镜、X射线衍射、加速电解寿命试验、极化曲线以及循环伏安曲线,对比研究了Ru-Ir-Sn-G复合氧化物阳极和Ru-Ir-Sn氧化物阳极的物理性能和电化学性能.与Ru-Ir-Sn氧化物阳极相比,Ru-Ir-Sn-G复合氧化物阳极表面涂层的裂纹更细、更平整,析氯-析氧选择性提高,加速电解寿命提高了41.41％,电催化活性提高了1.42倍.
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