材料科学
电解质
聚合
化学工程
电化学窗口
快离子导体
锂(药物)
离子电导率
电化学
氧化钇稳定氧化锆
阳极
纳米颗粒
聚合物
立方氧化锆
无机化学
电极
纳米技术
陶瓷
复合材料
物理化学
化学
医学
工程类
内分泌学
作者
Hua Yang,Bo Zhang,Maoxiang Jing,Xiangqian Shen,Li Wang,Hong Xu,Xiaohong Yan,Xiangming He
标识
DOI:10.1002/aenm.202201762
摘要
Abstract High energy density solid‐state lithium batteries require good ionic conductive solid electrolytes (SE) and stable matching with high‐voltage electrode materials. Here, a highly homogeneous poly(1,3‐dioxolane) composite solid electrolyte (CSE) membrane that can satisfy the above‐mentioned requirements by in situ catalytic polymerization effect of yttria stabilized zirconia (YSZ) nanoparticles on the polymerization of 1,3‐dioxolane (DOL), is reported. The well‐dispersed YSZ nanoparticle catalyst leads to the polymerization conversion of DOL monomers up to 98.5%, which enlarges its electrochemical window exceeding 4.9 V. YSZ also significantly improves the room temperature ionic conductivity (2.75 × 10 −4 S cm −1 ) and enhances the cycle life of lithium metal anode. Based on this CSE, the Li(Ni 0.6 Co 0.2 Mn 0.2 )O 2 (NCM622)‐based solid‐state lithium battery shows a long cycle life over 800 cycles. This investigation encourages polymer SE toward practical high energy solid‐state batteries.
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