电解质
材料科学
清除
电池(电)
化学工程
锂(药物)
无机化学
纳米技术
电极
有机化学
化学
工程类
内分泌学
物理化学
功率(物理)
物理
医学
量子力学
抗氧化剂
作者
Jung‐Gu Han,Koeun Kim,Yong-Won Lee,Nam‐Soon Choi
标识
DOI:10.1002/adma.201804822
摘要
Abstract In conjunction with electrolyte additives used for tuning the interfacial structures of electrodes, functional materials that eliminate or deactivate reactive substances generated by the degradation of LiPF 6 ‐containing electrolytes in lithium‐ion batteries offer a wide range of electrolyte formulation opportunities. Herein, the recent advancements in the development of: (i) scavengers with high selectivity and affinity toward unwanted species and (ii) promoters of ion‐paired LiPF 6 dissociation are highlighted, showing that the utilization of the above additives can effectively mitigate the problem of electrolyte instability that commonly results in battery performance degradation and lifetime shortening. A deep mechanistic understanding of LiPF 6 ‐containing electrolyte failure and the action of currently developed additives is demonstrated to enable the rational design of effective scavenging materials and thus allow the fabrication of highly reliable batteries.
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