Chinese Researchers Boost Drone Laser Charging to 38.49% Efficiency
TL;DR. Researchers at China's Civil Aviation University developed a laser-based charging system that achieves 38.49% energy conversion efficiency for drones. - The system uses a perovskite cell and thermoelectric tandem device to harvest energy from a laser beam. - Nanocrystals and aerodynamic cooling address heat buildup, a critical challenge for high-intensity laser charging. - This advancement represents a significant step toward indefinite flight for various drone applications.
- Civil Aviation University of China researchers achieved 38.49% efficiency in laser-based drone charging.
- The system combines perovskite cells with thermoelectric devices to convert laser energy and recover heat.
- Nanocrystalline materials act as thermal barriers, with added air channels for cooling, to manage high temperatures.
- This breakthrough is a major step toward practical, continuous drone flight, despite tracking and safety challenges remaining.