冶金法制备太阳能级多晶硅技术进展  

Technical Progress for Preparing Solar Grade Silicon Using Metallurgical Route

作　　者：谢永龙 盛之林 范占军 

机构地区：[1]宁夏银星多晶硅有限责任公司,吴忠751100 [2]中铝宁夏能源集团有限公司,银川750002

出　　处：《材料导报（纳米与新材料专辑）》2015年第1期163-167,共5页

基　　金：国家科技支撑计划项目(2011BAE03B01)

摘　　要：太阳能级硅是生产太阳能电池的重要材料,其生产技术已经成为光伏产业长足发展的关键。物理冶金法是一种相对能耗低、污染少的硅提纯技术,对太阳能光伏产业的发展具有重要影响。介绍了目前冶金法制备太阳能级多晶硅中造渣精炼、酸洗、真空精炼、定向凝固、等离子体精炼和合金熔炼提纯等技术。分析了各种方法的基本原理,介绍了其最新研究进展。最后简短总结了冶金法制备太阳能级多晶硅技术,并对其发展趋势做出展望。Soalr grade silicon （SOG-Si） is one of the important materials for producing the solar cells. Its production technology has become the key to developing photovoltaic industry rapidly. The metallurgical route has an important influence on the development of solar photovoltaic industry which has the advantages including low energy consumption and shorter refining time, etc. The technical principles of such as slag refining, acid leaching, vacuum refining, directional solidification, solvent refining, plasma refining are analyzed. Moreover, the progress of metallurgical route is introduced and its development trend is forecasted.

关 键 词：冶金法 太阳能级多晶硅 提纯 

分 类 号：TK02[动力工程及工程热物理]