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A New Contribution to the Theory of Anode Effect in Aluminium Electrolysis

QIU Zhuxian Northeast University of Technology , Shenyang , 110006 , China

材料科学技术（英文）

This paper discusses the general characteristics of anode effect in aluminium electrolysis and pre- vious theories about the mechanism of anode effect. On the basis of laboratory experiments,the author suggests a new contribution to the primary and di- rect reason for anode effect.

关键词: anode effect , null , null

铝电解-阳极效应过程的蝴蝶突变模型

潘岳

金属学报

对实验数据作比较、拟合后,证明从正常铝电解到发生阳极效应的过程模式属于蝴蝶突变模型。这个模型可以统一地描述诸系统参量变化时的冰晶石—氧化铝熔盐体系的复杂行为,从而比较深刻认识阳极效应及其发生规律。

关键词: 铝电解 , anode effect , butterfly catastrophe model

氟盐体系电解CeO2的阳极过程研究

林如山 , 何辉 , 叶国安 , 唐洪彬

稀土 doi:10.16533/J.CNKI.15-1099/TF.201602023

采用循环伏安法和计时电流法研究了CeF3-LiF-MF2-CeO2(M=Ba,Ca)体系石墨阳极上的电极过程.实验结果表明,铈电解的阳极过程与体系中阴离子放电过程密切相关,基本不受体系中阳离子的影响,各阳极反应高度不可逆.随阳极电位的增大,依次生成碳氧化合物、COF2和CF4.循环伏安法正向扫描的峰电流随体系中氧化物含量、温度的升高而增大,电位扫描速率的影响不显著.CeF3-LiF-BaF2-CeO2体系发生阳极效应时的起始电位为4.6V(相对于Li+/Li),CeF3-LiF-MF2-CeO2(M=Ba,Ca)体系正常电解时的阳极产物主要为CO2.

关键词: 氟盐 , 电解 , CeO2 , 阳极过程 , 阳极效应

A MODEL OF BUTTERFLY CATASTROPHE FOR ANODE EFFECT IN ALUMINA ELECTROLYSIS

PAN Yue Qingdao University of Metallurgy and Mining

金属学报(英文版)

A model of butterfly catastrophe is confirmed based on the matching and fitting the previous experimental data from alumina electrolysis when anode effect occurs.The complicated behaviour of the cryolite-alumina melt system with varying parameters could be generally described by this model.Therefore,the anode effect and its occurrence may be thoroughly understood.

关键词: alumina electrolysis , null , null

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