新突破！科研团队攻克固态电池领域关键难题 业内：实现低成本商用仍需跨越材料制备等多重“工程化量产”鸿沟

Core Viewpoint - Recent advancements in solid-state battery research in China, particularly a breakthrough by a team from the Chinese Academy of Sciences, have addressed the interface issues between solid electrolytes and lithium electrodes, paving the way for practical applications of all-solid-state lithium batteries [1][2][14]. Group 1: Research Breakthroughs - The research team developed an anion regulation technology that enhances the contact between the electrolyte and lithium electrode, which has been a significant barrier to the commercialization of all-solid-state batteries [1][4]. - The findings were published in the journal "Nature-Sustainability" on October 7, indicating a critical step towards the practical application of solid-state lithium batteries [1][2]. Group 2: Industry Reactions - The research has garnered significant attention within the industry, with many battery company executives congratulating the team and sharing the news on social media [2]. - Liu Yang, director of Tianqi Lithium's Innovation Research Institute, highlighted the importance of the research in addressing the dynamic contact issues in solid-state batteries, which is a common challenge in engineering applications globally [7][14]. Group 3: Technical Insights - The introduction of iodine ions into the electrolyte allows for the formation of a lithium-rich interface that can fill gaps and maintain tight contact between the electrode and electrolyte, even under low pressure [4][7]. - Solid-state electrolytes can be categorized into sulfides, oxides, polymers, and halides, with sulfides being the mainstream due to their ionic conductivity [5][12]. Group 4: Industry Opportunities - The solid-state battery industry has not yet achieved mass production, which presents both challenges and opportunities for companies involved in the supply chain [12][14]. - The domestic market is seeing a competitive landscape where local manufacturers dominate mass production while foreign companies control core technologies [12][13]. Group 5: Future Directions - The research indicates a potential shift towards using iodine-containing lithium salts, which could lead to advancements in solid-state battery technology [8][12]. - The development of solid-state batteries is expected to open new applications in sectors requiring high energy density and lightweight solutions, such as drones and robotics [12][14].