原理:一定浓度、一定温度条件下,碱溶液与硅片反应,各向异性腐蚀;principle:etching silicon in anisotropic koh solution;目的:去除表面损伤层,降低表面反射率;purpose:saw damage remove and reduce surface reflection;化学反应式(chemical equation):si 2koh h2o →
perc电池结构perc cell structureperc电池工艺流程perc cell manufacturing processperc电池结构在背面沉积介质膜钝化层alox/sinx,此结构可提高电池光电转换效率。perc cell contains alox/sinx dielectric layer on rear side, this structure can improve phot
先进的生产设备 the most advanced and state-of-the-art fully automation facilities* automatic wafer loading/uploading system (罗博特科,捷佳伟创,江松)* texturing & acid etching (捷佳创)* diffusion (捷佳伟创)* se laser & laser grooving (帝尔,迈为)
单晶perc电池效率路线图/mono-perc cell efficiency roadmap单晶perc效率22.6%提升工艺路线图