Taming Solvent–Solute Interaction Accelerates Interfacial Kinetics in Low-Temperature Lithium Metal Batteries

Cheng-Bin Jin（金成滨）, Nan Yao（清华博士生姚楠）, Ye Xiao（北京理工大学博士生肖也）, Jin Xie（清华博士谢瑾）, Zeheng Li（清华博士后李泽珩）, Xiang Chen（清华博士后陈翔）, Bo-Quan Li（北京理工大学李博权助理教授）, Xue-Qiang Zhang*（北京理工大学张学强助理教授）, Jia-Qi Huang（北京理工大学黄佳琦教授）, Qiang Zhang*（清华大学张强教授）

In this contribution, the interfacial kinetics in three prototypical electrolytes are quantitatively probed by three-electrode electrochemical techniques and molecular dynamics simulations. Desolvation as the limiting step of interfacial processes is validated to dominate the cell impedance and capacity at low temperature. Regulating the solvent–solute interaction by low-affinity solvents emerges as a promising solution to low-temperature batteries.

2022-10-25