万亚珍等 ’ 添加物对 1 3PbO 离子膜电极表面形貌的影响 添加物对 [3PbO2 离子膜电极表面形貌的影 响 万亚珍 。 刘金盾。 张永战 ( 郑州大学化工学院, 河南 郑州 450002) [ 摘要] 在化学镀液中加入添加物, 可以改变离子膜电极表面形貌。试验研究了加入 F 一 和 Fe PbO 镀层形貌特征的变化。试验结果证明, F 一 能减缓沉积过程 中Pb 密; 加入 Fe 镀层比加入 F 一 效果更好, 因为超声波搅拌, Pb 和 Fe 的分布都比较均匀, 是理想的镀层沉积形式。 [关键词] 离子膜电极; 1 3PbO ; 添加物; 形貌 [ 中图分类号]TQ1 53. 4 [ 文献标识码] A 两种添加物后, p 的释放速率, 使得 1 3PbO 镀层颗粒细小、 均 匀、 致 [文章编号] 1 001—3660(2006 )04 — 0034 — 03 Influence of A dditives on Surface Structure of [tPbO, Ion. membrane E iectrode WA N Ya -加 明 , L I U J in-dun ,ZHA N G y o ( Chemical Engineer i ng College,Zhengzhou University, Zhengzhou 450002,China ) [ Abstract]To add the additives in electroless plating solution, the sur f ace structure of ion— membrane e— lec trode would be remarkably improved . T hese improvemen ts are investigated when F — and Fe -zha n are used in proc esses. T h e exper i mental results show that th e F — c an slow down the release rate of P b in deposition proc ess and make the c atalytic coatin g c ompact 。uniform ,ad hesion tight.T he F e has better effect than F — in this sid e.Bec ause of ultrason ic stirring 。P b and Fe distr i bution s are uniform in c oating and become the id eal for m of 1 3PbO2 ion— membrane electrode. [ K ey words] Ion— membrane electrode;B PbO2; Additive; Surface structure 0