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]

Core Viewpoint - The article discusses the growing importance of Vehicle-to-Grid (V2G) technology in enhancing the efficiency of electric vehicles (EVs) and promoting sustainable energy development, highlighting ChargeScape's collaboration with PSEG Long Island as a significant step in this direction [2][4][5]. Group 1: ChargeScape and V2G Technology - ChargeScape, a startup formed by BMW, Honda, Ford, and Nissan, is at the forefront of integrating EVs into the energy grid through V2G technology [2][4]. - The collaboration with PSEG Long Island marks the first time EVs are included in the utility's demand response program, aiming to intelligently manage the charging behavior of over 6,000 EV owners during peak electricity demand [4][7]. - The AI-driven platform by ChargeScape will optimize charging times and intensity, alleviating grid pressure while providing economic incentives to participants [5][7]. Group 2: Benefits and Challenges of V2G - V2G technology can dynamically adjust EV charging to prevent grid overload, thus enhancing grid stability and efficiency [5][8]. - Concerns about battery degradation due to V2G usage are being addressed, with studies indicating that controlled charging can actually prolong battery life [8]. - The potential for reusing retired EV batteries in energy management is highlighted, as these batteries can support the grid during peak demand periods [10][12]. Group 3: Global Implementation and Regulatory Environment - Utrecht has launched the first large-scale V2G car-sharing service in Europe, demonstrating the need for collaboration among automakers, charging infrastructure providers, energy companies, and local governments for successful V2G implementation [15][16]. - Renault has initiated V2G practices in France, emphasizing the need for unified regulations in Europe to unlock the full potential of V2G technology [17]. - In China, while the rapid adoption of EVs is noted, the implementation of V2G technology faces challenges due to differences in market conditions and regulatory environments compared to the US and Europe [18][19].