Technology · Day
2026-11-09
1 stories in this section.
China: Tongwei Unveils TOPCon Solar Cell with 26.03% Efficiency and High Sheet Resistance
Tongwei researchers developed a TOPCon solar cell with a 1,600 Ω/sq sheet resistance emitter, achieving a record 26.03% efficiency. This breakthrough in surface passivation and recombination reduction offers a clear pathway for manufacturers to refine doping profiles and enhance commercial cell performance.