【科技日报】全固态金属锂电池固-固界面接触难题解决

Core Insights - The research team has made significant progress in the study of all-solid-state lithium metal batteries by developing an anion regulation technology that creates a new interface between the electrode and electrolyte, allowing lithium ions to flow actively and fill gaps automatically, thus overcoming a major bottleneck for practical applications of solid-state batteries [3][4] Group 1: Research Findings - The new interface formed by the introduction of iodine ions in the sulfide electrolyte allows for self-repairing capabilities, ensuring tight contact between the electrode and electrolyte without the need for external pressure [4] - The prototype batteries developed using this technology have shown stable and superior performance after hundreds of charge-discharge cycles under standard testing conditions, significantly surpassing existing similar batteries [4] Group 2: Industry Implications - This breakthrough is expected to accelerate the development of high-energy-density all-solid-state lithium metal batteries, with potential applications in humanoid robots, electric aviation, and electric vehicles, providing safer and more efficient energy solutions [4] - The new technology simplifies manufacturing processes and reduces material usage, with the potential to achieve energy densities exceeding 500 watt-hours per kilogram, potentially doubling the battery life of electronic devices [4]