背处理对背钝化晶体硅太阳电池性能的影响
钱洪强,席曦,乔琦,陈丽萍,葛剑,吴文娟,陈如龙,杨健,朱景兵,施正荣,李果华
摘要(Abstract)：
通过模拟计算,较高的背面反射率对太阳电池电性能的改善很有帮助,短路电流密度的提升是主要贡献。文中对晶体硅应用不同的背面处理方式得到不同形貌结构。考虑到工艺的复杂程度等方面因素,最终确定使用酸处理背面较为理想。同时也确定了背面酸处理的程度。在此基础上,正面使用SiNx作为减反膜、背面使用AlOx/SiNx叠层钝化膜制备的电池,背处理后电池转换效率绝对值可提高0.1%以上。
关键词(KeyWords)： 太阳电池;背钝化;背处理
基金项目(Foundation): 国家高技术发展研究计划(863计划)项目(2012AA050302)
作者(Author): 钱洪强,席曦,乔琦,陈丽萍,葛剑,吴文娟,陈如龙,杨健,朱景兵,施正荣,李果华
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