Fluoroacetonitrile‑Based Gel Polymer Electrolytes for Fast‑Charging Lithium Metal Batteries

Key Points

• This research aims to evaluate the performance of fluoroacetonitrile-based gel polymer electrolytes in lithium metal batteries.
• Utilized NCM811||Li cell configuration for testing
• Conducted cycling tests measuring capacity retention over 4100 cycles
• Examined fast-charging performance at 5C rates
• Achieved 80.3% capacity retention after 4100 cycles
• Sustained 79.5% capacity retention after 800 cycles at fast-charging rates
• Demonstrated stable cycling with full cells using high-loading cathodes