Core Viewpoint - The Korea Institute of Geoscience and Mineral Resources has developed an eco-friendly technology for recycling used batteries into high-voltage energy storage systems, which is seen as a key next-generation battery technology due to its safety and efficiency [1] Group 1: Technology Development - The new technology converts the cathode material (lithium manganese oxide) from used lithium-ion batteries into a usable form for redox flow battery storage systems [1] - This technology eliminates the risks of fire and explosion, making it a safer alternative for energy storage [1] Group 2: Environmental Impact - The process does not require high-temperature treatment and utilizes electrochemical methods to easily separate manganese and lithium, addressing issues of high energy consumption and environmental pollution [1] Group 3: Performance Metrics - Initial performance is comparable to existing electrolytes, maintaining over 70% energy efficiency after 250 cycles, which is expected to enhance the efficiency and lifespan of energy storage systems [1]