The Korea Aerospace Research Institute has conducted a battery-powered test flight of solar-powered unmanned aerial vehicle EAV-3. The aircraft is powered by solar cells on its wings and body and an LG Chem lithium-sulfur battery.The Korea Aerospace Research Institute has conducted a high-altitude test flight of solar-powered unmanned aerial vehicle EAV-3, which features a lithium-sulfur battery from Korean manufacturer LG Chem. The battery company said, in a press release, the small aircraft was conceived for long flights at a stratospheric altitude of 12km or more. The airplane engine is powered ...Den vollständigen Artikel lesen ...