烧结温度对RuO_2-IrO_2-TiO_2/Ti氧化物涂层阳极性能的影响  

The Effect of Sintering Temperature on Properties of RuO_2-IrO_2-TiO_2/Ti Anode

作　　者：瞿东[1] 董润青[2] 胡劲[1] 王玉天[1] 沈黎[1] 张维钧[1] 

机构地区：[1]昆明理工大学,昆明650093 [2]沧州大化集团有限责任公司聚海分公司,河北沧州061000

出　　处：《贵金属》2012年第4期43-47,52,共6页Precious Metals

摘　　要：采用Pechini法制备了不同烧结温度的RuO2-IrO2-TiO2/Ti阳极,通过SEM、AFM、EDX、XRD、极化曲线、循环伏安曲线及强化电解寿命试验等测试手段,研究了烧结温度对RuO2-IrO2-TiO2/Ti阳极微观结构和电催化性能的影响。结果表明:烧结温度对RuO2-IrO2-TiO2/Ti阳极的表面形貌有很大的影响;随着烧结温度的升高,阳极析氯活性呈先增加后减小的趋势,而电催化活性呈现相反的趋势;550℃下所得的RuO2-IrO2-TiO2/Ti阳极表现出最高的强化电解寿命。The anodes of RuO2 - IrO2 - TiO2/Ti were prepared by Pechini method. The surface morphol- ogy and electrocatalytic capability of anodes prepared at different temperatures were studied by SEM, EDX, XRD, polarization curve, cyclic voltammetry curve and accelerated life test. It was shown that sin- tering temperature has a great influence on surface morphology of RuO2 - IrO2 - TiO2/Ti anodes. The chlorine evolution capability of anode had a tendency to increase firstly then fall down afterwards as the sintering temperature increased. But the electrocatalytic capability of anodes showed an opposite tenden- cy. The RuO2 - IrO2 - TiO2/Ti anode prepared at 550℃ presents the longest service life.

关 键 词：复合材料 烧结温度 Pechini法 RuO2-IrO2-TiO2 Ti阳极 

分 类 号：O643.36[理学—物理化学]