High-voltage lithium-metal batteries enabled by ethylene glycol bis(propionitrile) ether-LiNO₃ synergetic additives.

ABSTRACT: The employment of Li metal anodes is a key to realizing ultra-high energy batteries. However, the commercialization of lithium metal batteries (LMBs) remains challenging partially due to the thermodynamic instability and competitive oxidative decomposition of the solvent. Herein, a bi-functional electrolyte for stabilizing the interfaces of both the Li metal anode and LiCoO₂ (LCO) cathode is designed by introducing lithium nitrate (LiNO₃) through Ethylene Glycol Bis(Propionitrile) Ether (DENE). For the anode, the C₈H₁₂N₂O₂-LiNO₃ coordination-solvation contributes to forming a stable Li₃N-enhanced solid electrolyte interphase (SEI), which increases the average Li coulombic efficiency (CE) up to 98.5%. Mo

SUBMITTER: Li S 

PROVIDER: S-EPMC10566460 | biostudies-literature | 2023 Oct

REPOSITORIES: biostudies-literature