Stable cycling at −40 °C
Regulates solvation sheath with weakly solvating molecules to promote anion-dominated solvation, forming inorganic-rich interphases at low temperature and significantly reducing de-solvation energy barrier and interfacial resistance.
Dou, Wenjie · Yaqin, Tang · Xiang, Xie · Liang, Xinghui · Qin, Haozhe · Xiao, Zhiming · Liu, Yike · Liang, Chaoping · Li, Xinhai · Ou, Xing
Advanced Functional Materials 2025
Li||NCM622 cell retains 73.4% of room temperature discharge capacity at −40 °C with 4.5 V cutoff
Interphases rich in LiF/Li₃N