(1. 中南大學(xué) 冶金科學(xué)與工程系， 長(zhǎng)沙 410083;
2. 長(zhǎng)沙業(yè)翔科技發(fā)展有限公司， 長(zhǎng)沙 410012)
摘 要: 通過摻雜實(shí)驗(yàn)發(fā)現(xiàn)稀土Eu的添加有利于提高金屬氧化物涂層陽極的電催化性能，X射線衍射的結(jié)果表明稀土缺氧氧化物Eu3O4的形成是電催化性能提高的主要原因。Eu摻雜成型工藝表明較高的熱分解溫度有利于晶粒的細(xì)化，使電極具有好的電催化性能，最佳溫度值在500 ℃左右；Eu的添加量在主溶液離子濃度與稀土離子濃度之比為10∶2時(shí)最佳。EDX掃描分析的結(jié)果表明用化學(xué)溶液涂覆法制備的涂層成分分布均勻。
關(guān)鍵字: 稀土Eu；摻雜； 金屬氧化物涂層陽極(DSA)； 電催化
electrocatalysis of metal oxide anode coating
XIAO Jing１, YE Shao-long１, LIU Ye-xiang１
（1. Department of Metallurgical Science and Engineering， Central South University，
Changsha 410083， P.R.China;
2. Yexiang Developing Company of Science and Technology, Changsha 410012，P.R.China）
Abstract:It was found that the electrocatalytic ability of metal oxide anode coating(DSA) can be improved by doping with the rare earth Eu. The preparing condition doping with rare earth Eu exposed that the higher temperature is very benefit for refinement of grains， and then the improvement of electrocatalytic ability be acquired ， the premium thermal decomposition is about 500 ℃.The best value for the ratio of ion concentration between the main solution and the rare earth Eu is 10∶2. It was proved that the chemical solution coating method is benefit for the uniform distribution of coating constitution.
Key words: rare earth Eu; doping; metal oxide anode coating; electrocatalysis
