定向凝固法制备铸造多晶硅技术现状及发展综述

Summary of the Status and Development of Multi-crystalline Silicon Prepared by Directional Solidification Method

光生伏特效应是将太阳能转化为电能的重要途径之一。提高电池效率和降低生产成本,是光伏产业大规模发展面临的核心课题。铸造多晶硅技术因其相对低的生产成本和较高的转化效率,市场份额迅速增长。对定向凝固法制备铸造多晶硅的工艺原理进行了简介,对铸造多晶硅制备技术的发展进行了回顾,并对当前的准单晶铸造、计算机模拟、高效多晶等研究热点的发展现状进行了综述。

Photovoltaie effect is an important method to transform solar energy into electrical energy. To improve the cell efficiency and reduce the cell production cost is the core issue of large-scale developing photovoItaic industry. The cast multi-crystalline silicon prepared by the directional solidification method are introduced, the technology development of multi-crystalline silicon is reviewed, and the recent research progress on mono-like casting, computer simulation and high efficiency multi-crystalline silicon are summarized.