
Big milestone in Solar Technology: Tiny solar cells could soon power your gadgets without batteries; here’s what researchers say
Published on: Aug. 24, 2025, 2:41 p.m. | Source: The Economic Times
Researchers have developed highly efficient perovskite solar cells capable of harvesting energy from indoor light, potentially powering devices like keyboards and sensors without batteries. These cells, utilizing a combination of chemicals to reduce defects, convert 37.6% of indoor light into electricity and maintain 92% of their performance over 100 days. This innovation offers a sustainable and cost-effective alternative to batteries.