铝电解惰性阳极材料技术研究进展

Research progress of inert anode materials and technology for aluminium electrolysis

惰性阳极铝电解技术是未来铝工业持续低碳化发展并实现碳中和目标的关键技术,近年来,惰性阳极材料的研究取得了长足进展,为其工业化应用的突破性进展创造了条件。本文通过综述铝电解惰性阳极材料近期研究进展,重点关注合金阳极表面耐蚀层的生长机制、金属陶瓷组成与结构优化以及阳极材料综合性能提升等研究方向,系统对比了现有惰性阳极材料的导电性及耐蚀性能,并对其未来发展趋势做出展望。

The inert anode is the key technology for the future low-carbon development of aluminium electrolysis industry,which is also an important aspect of the carbon neutrality.In recent years,the significant advances in inert anode material research and engineering have provided new opportunities for the breakthrough in industrial applications.Therefore,this paper presents a comprehensive review of the research progress of inert anode materials in recent years.The following aspects were emphasized,including the formation of the protective film on the metallic anode surface,composition and structure optimization of cermet anode,the improvement of performance of anode materials,and so on.The comparison of the conductivity and corrosion resistance of inert anode materials was discussed,with the aim to provide the prospects of development trend.