[SMM PV Flash] PV+ESS Synergy Deepens in Pakistan: Hoymiles Joins Local Partners at the 2026 Pakistan Exhibition

GCL Integration said its self-developed flexible silicon-perovskite tandem solar cell achieved a certified power conversion efficiency of 33.44%, verified by the China Photovoltaic Testing Center (CPVT). The lightweight, flexible design and high specific power make the technology suitable for advanced photovoltaic applications, including aerospace.

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A research team from the Institute of Chemistry, Chinese Academy of Sciences (hereinafter referred to as ICCAS) has boosted the power conversion efficiency of perovskite-organic tandem solar cells to 28.04%, once again setting a new world record for such devices. The related research was published in *Nature* on July 13. The corresponding author of the paper, Li Yongfang, an academician of the Chinese Academy of Sciences and a researcher at ICCAS, stated that perovskite-organic tandem solar cells combine the advantages of light weight, flexibility, and high specific power. They can be widely applied in ground-based scenarios such as buildings, transportation, and wearable electronic devices, and can also play a positive role in space fields including satellites, space stations, and deep-space exploration, serving as a vital energy guarantee for humanity’s march into space. "This kind of cell is thin, lightweight, and portable; it can easily be placed in a backpack and carried around. During outdoor trips, you simply unfold it to charge electronic devices like mobile phones," Li Yongfang told *China Science Daily*.