Developing a nitrile-based lithium-conducting electrolyte for low temperature operation

Abstract

Lithium-ion (Li+) batteries are considered the most attractive for low temperature operation. Though Li+-conducting electrolytes predominately use carbonate solvents, we show that nitriles, such as 3-methoxypropyionitrile (MPN), are promising candidates...

Enabling wide temperature battery operation with hybrid lithium electrolytes

“…[9][10][11][12][13] Commonly-used organic solvents become too viscous or even freeze, requiring exotic solutions to maintain the liquid state with sufficient ionic conductivity. [14][15][16] Fluorinated electrolytes have been integrated into battery cell chemistries employing lithium metal anodes to enable all-temperature operation. 5,17 This versatility originates from high thermal and electrochemical stability, owing to the formation of a lithium fluoride-rich solid electrolyte interphase (SEI).…”