Looks like they are up to 34.6% with tandem cells. https://pv-magazine-usa.com/2024/06/17/longi-claims-34-6-efficiency-for-perovskite-silicon-tandem-solar-cell

Looks like they are up to 34.6% with tandem cells. https://pv-magazine-usa.com/2024/06/17/longi-claims-34-6-efficiency-for-perovskite-silicon-tandem-solar-cell/ https://pv-magazine-usa.com/2024/06/17/longi-claims-34-6-eff...