Scientists Develop Hybrid Solar-Rain Device

Researchers at the Institute of Materials Science of Seville (ICMS), a joint center of the Spanish National Research Council (CSIC) and the University of Seville, have developed a groundbreaking hybrid device that generates electricity from both sunlight and rainfall simultaneously.

The innovation uses a patented plasma-coated thin film that protects perovskite solar cells from environmental damage while converting the energy of raindrops into electricity through triboelectric nanogenerators.

Each raindrop can generate more than 100 volts, enough to power small electronic devices.

Perovskite solar cells are highly efficient and cost-effective compared to traditional silicon cells, but they typically degrade under harsh conditions.

The new coating shields the cells chemically, enhances light absorption, and enables energy harvesting even during rain, humidity, or temperature fluctuations.

“This device ensures continuous energy generation, powering portable electronics and Internet of Things (IoT) devices in all weather conditions,” said Carmen López, ICMS researcher.

Applications include environmental sensors, structural monitoring systems, smart city infrastructure, and remote energy stations.

The hybrid device was developed under the ERC-funded 3DScavengers project and the Drop Ener initiative, combining advanced nanogenerators with perovskite solar technology for sustainable, autonomous power solutions.