正文目录
一、TOPCon 持续优化迭代,优势加强 ..................................................................................................................... 4
1、TOPCon 效率及发电量优势明显 .......................................................................................................................... 4
2、过去一年持续优化,继续拉开差距 ....................................................................................................................... 5
二、优质 N型产能供不应求,TOPCon 溢价放大 ...................................................................................................... 7
1、TOPCon 已经有明显的经济性优势 ...................................................................................................................... 7
2、N型需求爆发,溢价体现,进入收获期 ................................................................................................................ 9
3、壁垒被低估,领先企业可能在较长时期维持优势 ............................................................................................... 10
三、N型带动光伏行业的深刻变革 .......................................................................................................................... 11
1、上下游及制造设备 .............................................................................................................................................. 11
2、推动实现大幅降本增效,影响产业格局 .............................................................................................................. 12
投资建议 .................................................................................................................................................................. 14
相关报告 .................................................................................................................................................................. 14
图表目录
图1:光伏电池划分 .................................................................................................................................................. 4
图2:TOPCon 结构示意 ........................................................................................................................................... 4
图3:光伏电池提效回顾 ........................................................................................................................................... 4
图4:TOPCon 提效幅度领先其他方案 ..................................................................................................................... 4
图5:P/N 型组件双面率对比 .................................................................................................................................... 5
图6:P/N 型组件衰减曲线对比 ................................................................................................................................. 5
图7 TOPCon 仍在不断迭代优化 ............................................................................................................................... 5
图8:TOPCon 提效路径清晰 .................................................................................................................................... 6
图9:电池效率趋势图 ............................................................................................................................................... 6
图10 TOPCon/PERC 累计发电量及溢价估算 ........................................................................................................... 8
图11:银浆价格走势 ................................................................................................................................................ 8
图12:P/N 硅片报价(元/pc) ................................................................................................................................. 8
图13:N型电池产能预估及组件需求(GW) .......................................................................................................... 9
图14:电池结构比例变化 ......................................................................................................................................... 9
图15:N/P 型组件中标价格(元/W) ....................................................................................................................... 9