Unveiling the Critical Role of Ion Coordination Configuration of Ether Electrolytes for High Voltage Lithium Metal Batteries,Angewandte Chemie International Edition

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Unveiling the Critical Role of Ion Coordination Configuration of Ether Electrolytes for High Voltage Lithium Metal Batteries
Angewandte Chemie International Edition ( IF 16.1 ) Pub Date : 2023-04-04 , DOI: 10.1002/anie.202219310
Shunqiang Chen ₁ , JiaJia Fan ₁ , Zhuangzhuang Cui ₁ , Lijiang Tan ₁ , Digen Ruan ₁ , Xin Zhao ₁ , Jinyu Jiang ₁ , Shuhong Jiao ₁ , Xiaodi Ren ₁

Affiliation

A new ether solvent (1,3-dimethoxypropane, DMP) is used for the configuration of the electrochemical behavior of electrolytes in lithium metal batteries. The six-membered Li⁺-chelating ring greatly improves the oxidation stability of the ether-based electrolyte compared to the conventional five-membered chelate ring. The cathode-electrolyte interphase enriched in LiF effectively protects the nickel-rich cathode from corrosion by electrolyte side reactions.

中文翻译：

揭示醚电解质离子配位构型对高压锂金属电池的关键作用

一种新的醚溶剂（1,3-二甲氧基丙烷，DMP）用于配置锂金属电池中电解质的电化学行为。与传统的五元螯合环相比，六元Li ^{+ -}螯合环大大提高了醚基电解质的氧化稳定性。富含 LiF 的阴极-电解质界面有效地保护富镍阴极免受电解质副反应的腐蚀。

更新日期：2023-04-04

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