British media said that the Belgian Intercollegiate Microelectronics Center has developed an innovative solid-state lithium-ion battery that achieves an energy density of 200 watt-hours per liter in two hours of charging According to the British Science News website reported on April 10th, the Inter-School Microelectronics Center is the world's leading research and innovation center for nanoelectronics, energy and digital technology, and also a partner of research institute EnergyVille.