Solid-State Battery Achieves Energy Density Breakthrough

Engineers have developed a solid-state battery that stores twice the energy of current lithium-ion batteries while being completely fire-safe. ## The Innovation Replacing liquid electrolytes with solid materials eliminates the fire risk that plagues current batteries while dramatically increasing energy density. ## Performance Metrics The new batteries can charge in 10 minutes, last 5,000 charge cycles, and operate in extreme temperatures—far exceeding current technology. ## Electric Vehicle Impact These batteries could double the range of electric vehicles while reducing charging time to match gasoline refueling. ## Manufacturing Challenges Companies are investing billions to build manufacturing capacity for solid-state batteries, with mass production expected by 2027.