TOPCon电池开路电压（Voc）损失分析-行业数据

TOPCon电池开路电压（Voc）损失分析

根据晶科能源相关资料，发射极相关影响在当前 TOCon 电池的 Voc 损失中是占比第二大的因素，而根据东方日升和帝科股份相关资料，表面金属接触与正面复合的优化可以带来 0.5%左右的绝对转化效率提升。综合而言，随关键技术工艺的提升，TOPCon 有望向更高的效率进行突破，进一步取得经济性优势。

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