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