全固态锂电池关键材料—固态电解质研究进展
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摘要
全固态锂电池具有能量密度高、循环寿命长和高安全性等优点,成为当前的研究热点。固态电解质是全固态锂电池的核心,主要包括氧化物、硫化物、聚合物以及复合型固态电解质。当前,发展全固态锂电池的关键是设计和制备具有高离子电导率的固态电解质,解决固态电解质与电极间的固–固界面问题。本文综述了全固态锂电池固态电解质以及固态电解质与电极间固–固界面的稳定兼容问题的最新进展,并展望了未来全固态锂电池的研究重点和发展方向。
All-solid-state lithium batteries have become an important focus due to their high energy density,long cycling life and excellent safety.As the key part of all-solid-state lithium batteries,solid electrolytes include oxide,sulfide,polymer and composite.The key issues for developing all-solid-sate lithium rechargeable batteries include the design and preparation of solid electrolytes with high ionic conductivities,and solution of the interface resistance between solid electrolytes and electrodes.In this article,the recent developments and relative issues concerning the solid electrolytes and the interface stabilities are reviewed,and the key issues and development direction on all-solid-state lithium batteries are prospected.
All-solid-state lithium batteries have become an important focus due to their high energy density,long cycling life and excellent safety.As the key part of all-solid-state lithium batteries,solid electrolytes include oxide,sulfide,polymer and composite.The key issues for developing all-solid-sate lithium rechargeable batteries include the design and preparation of solid electrolytes with high ionic conductivities,and solution of the interface resistance between solid electrolytes and electrodes.In this article,the recent developments and relative issues concerning the solid electrolytes and the interface stabilities are reviewed,and the key issues and development direction on all-solid-state lithium batteries are prospected.
引文
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