Multi-dentate, Weakly Coordinating Co-solvents Enabling Balanced Ion Dissociation/Desolvation Kinetics for Cryogenic Lithium Metal Batteries

Key Points

• Investigate how multi-dentate co-solvents affect ion transport and desolvation in lithium metal batteries at cryogenic temperatures.
• Analyzed ion transport dynamics in the presence of various co-solvents.
• Evaluated desolvation processes at the electrode interface.
• Conducted tests at subzero temperatures to measure performance changes.
• Multi-dentate co-solvents significantly improved Li+ transport efficiency.
• Enhanced desolvation kinetics were observed at the electrode interface.
• The overall performance of lithium metal batteries improved when using the optimized co-solvent mixtures.