A new solar cell could generate electricity underwater

A novel type of solar cell, developed by a team at Yunnan University, could potentially generate electricity underwater, according to recent research. This advancement in perovskite solar cells could prove beneficial for applications such as powering submarines, as depicted in the Hanna-Barbera cartoon series Birdman. Perovskite solar cells, unlike traditional silicon-based ones, offer several advantages: they can be produced at a lower cost, are highly versatile in terms of form and design, and possess a higher efficiency in converting solar energy into electricity.

However, their main drawback is their short lifespan due to rapid degradation. The challenge lies in the fact that moisture, particularly in underwater environments, is highly destructive to perovskite materials. Despite these challenges, perovskite cells have a unique ability to be tuned to different wavelengths of light. In underwater conditions, water often blocks the wavelengths of light absorbed by silicon solar panels, but perovskite cells could still produce electricity in such environments.

Additionally, lower light levels and cooler temperatures in deep water might help extend the lifespan of these cells.