The invention discloses a method for preparing porous manganese dioxide electrode, the preparation of electrolytic manganese dioxide, electrolytic manganese dioxide and then expanded graphite and prepared some weighing the quality of the electrolytic manganese dioxide and graphite dry mixed evenly, then gradually drops with aqueous solution of sodium carboxymethyl cellulose as a binder, continue to stir to get paste, the paste on both sides of the titanium mesh, compacted, drying, preparing porous manganese dioxide electrode. The preparation method of the powder porous manganese dioxide electrode of the invention is a method for making manganese dioxide electrode with easy implementation, stable electrode performance and high waste water treatment efficiency.
【技术实现步骤摘要】
【技术保护点】
1.一种粉末多孔二氧化锰电极的制备方法,其特征在于,包含以下步骤:步骤1)电解二氧化锰的制备:采用钛合金做阳极、碳电极做阴极,硫酸锰作原料,硫酸锰的质量浓度为130~150g/L,pH值为3.5~4.5,电解液温度为90~97℃,电流密度为8~25mA/cm2,从阳极得到的沉积物经过洗涤、中和、研磨和烘干,即得到电解二氧化锰;步骤2)粉末多孔二氧化锰电极的制备:称取一定质量的膨胀石墨和经所述步骤1)制得的电解二氧化锰,二者的质量比为(10~20)∶(80~90),将电解二氧化锰和膨胀石墨干混均匀,然后逐滴滴加羧甲基纤维素钠水溶液作为粘结剂,继续搅拌至成膏状物体,将该膏体涂抹 ...
【技术特征摘要】
【专利技术属性】
技术研发人员:王东田,魏杰,黄勇,冯磊,郝晓丹,
申请(专利权)人:苏州科技学院,
类型:发明
国别省市:32
还没有人留言评论。发表了对其他浏览者有用的留言会获得科技券。