The current maximum efficiency of TOPCon mass production has been stabilized at 25%, and it is expected to quickly break through 26.1%, and the yield rate can be increased to 98%.
The first-year degradation rate 2%, annual linear degradation rate 0.45%, life cycle 225 years By comparison, N-TOPCon modules will bring 1.8% extra power generation gain.
The ultra-thin tunnel layer, N-type poly-Si thin film layer can greatly reduce the loss caused by carrier recombination. Cell conversion efficiency is up to 25%.
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