Scientists in China have constructed and tested a device that uses redox couples paired with a single triple-junction amorphous-silicon photoelectrode. When tested under a xenon lamp simulating one sun, the device achieved an average solar-to-electricity conversion efficiency of 4.2%…
https://www.pv-magazine.com/2025/12/24/pv-redox-flow-battery-with-4-2-solar-to-electricity-conversion-efficiency/
