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Advances in Composite Polymer Electrolytes for Lithium Batteries and Beyond

机译：锂电池复合聚合物电解质的进展及超越

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摘要

Conventional lithium-ion batteries have approached their capacity and energy density limits. Use of lithium metal anode can enable high-energy batteries. However, the safety hazards and lithium dendrite formation associated with lithium metal require safe electrolytes to replace flammable liquid ones. In recent years, solid-state electrolytes have attracted tremendous attention. Among them, composite polymer electrolytes (CPEs) with different constitutions have the unique advantages of low interfacial resistance, high ionic conductivity, and flexible characteristics. Here, the basic properties and analysis methods related to CPEs are discussed. Following that, the components added into the polymer matrix, such as organic solvents, nanostructured ceramics, and fast-ion-conductive inorganics are classified. CPEs used in low-cost Na and K batteries are briefly discussed. It is hoped that the review can supply both advances and fundamentals to the researchers in this field and provide guidance for the development of CPEs for lithium battery systems, and beyond.
机译：传统的锂离子电池已经接近其容量和能量密度限制。使用锂金属阳极可以使高能量电池能够。然而，与锂金属相关的安全危害和锂枝晶形成需要安全的电解质以取代易燃液体。近年来，固态电解质引起了巨大的关注。其中，具有不同构成的复合聚合物电解质（CPE）具有低界面抵抗，高离子电导率和柔性特性的独特优点。这里，讨论了与CPE相关的基本属性和分析方法。在此之后，分类添加到聚合物基质中的组分，例如有机溶剂，纳米结构陶瓷和快速离子导电无机物。简要讨论了低成本NA和K电池中使用的CPE。希望审查可以向这一领域的研究人员提供对研究人员的进步和基础，并为锂电池系统的CPE的开发提供指导。

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