Lee Jimin, Park Youngbin, Choi Jang Wook
School of Chemical and Biological Engineering, Institute of Chemical Process, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, Republic of Korea.
Nano Converg. 2025 May 29;12(1):25. doi: 10.1186/s40580-025-00491-4.
Lithium metal batteries (LMBs) hold immense potential as next-generation energy storage systems due to their exceptionally high theoretical energy density. However, their commercialization is hindered by persistent interfacial instabilities that accelerate capacity degradation and limit cycle life. A major challenge lies in the solid-electrolyte interphase (SEI), whose composition and structure critically influence lithium deposition behavior, electrolyte stability, and overall battery performance. This review examines key aspects of SEI stability and its impact on battery performance, highlighting recent advancements in electrolyte engineering and surface modification strategies aimed at enhancing interfacial stability. Beyond laboratory-scale optimizations, we discuss key considerations for translating these advancements into industrial applications, highlighting the importance of practical testing protocols to bridge the gap between fundamental research and real-world deployment.
锂金属电池（LMBs）因其极高的理论能量密度而作为下一代储能系统具有巨大潜力。然而，持续的界面不稳定性阻碍了它们的商业化，这种不稳定性会加速容量衰减并限制循环寿命。一个主要挑战在于固体电解质界面（SEI），其组成和结构对锂沉积行为、电解质稳定性以及电池整体性能有着至关重要的影响。本文综述了SEI稳定性的关键方面及其对电池性能的影响，强调了电解质工程和表面改性策略方面的最新进展，这些策略旨在提高界面稳定性。除了实验室规模的优化，我们还讨论了将这些进展转化为工业应用的关键考虑因素，强调了实际测试方案对于弥合基础研究与实际应用之间差距的重要性。
