Solar cells inspire Li-ion batteries
https://techxplore.com/news/2023-05-solar-cells-li-ion-batteries.html
"iron oxide nanorods simultaneously harvest visible solar and store Li-ions efficiently... >90% enhanced specific battery capacity... Hematite absorb sun, PCBM and carbon nanotubes conductive additives provide photogenerated electrons to reach current collector and initiate photocharging... modified 2032 coin cell casing 8 mm diameter hole punched on bottom optical window couple light sealed with transparent PVC sheet... photoconversion and storage efficiency (PCSE) of 1.988%"
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