全固态锂电池固态电解质研究进展

Research progress in solid-state electrolyte for all-solid-state Li battery

随着智能电子和可穿戴设备的不断发展,对电池的的能量密度、安全性有了更高的要求。全固态锂电池由于其安全性和高能量密度的优势,被认为是下一代最有潜力的能量储存设备。固态电解质作为固态电池的核心组件,引起了人们的广泛关注。介绍了氧化物、硫化物和聚合物等三类固态电解质的性能,以及其存在的优缺点,并提出了提高这些性能的相应策略。

The requirements for the energy density and safety of batteries is increasing with the rapid develop⁃ment of smart electronics and wearable devices.Solid-state lithium batteries have become the most promiss⁃ing energy storage devices due to their high safety and high energy density.As the core component of solidstate batteries,solid electrolyte has attracted extensive attention.The properties of three types of solid electro⁃lytes,including oxide,sulfide,and polymer,are introduced,as well as their advantages and disadvantages,and corresponding strategies to improve these properties are proposed.