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固体聚合物电解质电解臭氧发生器中不同晶型PbO2阳极催化剂的特性
Performance of PbO2 Anode Catalysts on Solid Polymer Electrolyte Membrane Electrode Composite in Electrolytic Ozone Generators
【摘要】 固体聚合物电解质电解臭氧发生器中不同晶型PbO2阳极催化剂的特性周元全,吴秉亮,高荣,张红,江巍(武汉大学化学系武汉430072)关键词臭氧,阳极催化剂,二氧化铅,固体聚合物电解质臭氧(O3)是一种强氧化剂,它具有强烈的杀菌消毒作用和氧化降解有机污?..
【Abstract】 The performance of the solid polymer electrolyte(SPE) membrane electrode composite ozone generator has been examined in deionized water for more than 10000 hours with the current density 1.5 Acm ̄(-2).The average current efficiency of O3 evolution is about 20%.The optimal specific power consumption is 58.3 Whg ̄(-1)(O3).The stability of the anode catalysts on SPE membrane composite ozone generator has been studied by X-ray diffraction and atomic absorption spectrometry techniques.The results show that both the current efficiency of O3 production and the stability of the composite with β-PbO2 anode catalyst are better than those with the mixed α-PbO2 and β-PbO2 catalyst.
【Key words】 ozone; anode catalyst; lead dioxide; solid polymer electrolyte;
- 【文献出处】 应用化学 ,CHINESE JOURNAL OF APPLIED CHEMISTRY , 编辑部邮箱 ,1996年01期
- 【分类号】O646.54
- 【被引频次】14
- 【下载频次】237