Anomeric-Effect-Guided Saturated Weakly Solvating Electrolytes for Ultrastable High-Voltage Sodium Metal Batteries.

Key Points

• This research aims to develop stable high-voltage sodium metal batteries through a novel electrolyte strategy.
• Introduced a new weakly solvating electrolyte designed based on anomeric effects.
• Utilized a thin-foil sodium metal anode for improved cycling performance.
• Achieved stable cycling at a voltage of 4.3 V.
• Demonstrated stable cycling of sodium metal batteries at 4.3 V.
• Highlighted the potential for advancements in other high-voltage metal batteries.