What question did this study set out to answer?

The aim is to improve the performance and stability of quasi-solid-state electrolytes in lithium metal batteries.

March 18, 2026Open Access

Enthalpy-Driven Molecular Engineering Enables High-Performance Quasi-Solid-State Electrolytes for Long Life Lithium Metal Batteries

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This work demonstrates enhanced ionic conductivity in lithium metal batteries, suggesting improved energy storage viability.

The aim is to improve the performance and stability of quasi-solid-state electrolytes in lithium metal batteries.
Introduced high-polymerization-enthalpy 1,1,1-trifluoro-2,3-epoxypropane as a co-polymerization promoter.
Integrated lithium nitrate into poly-DOL-based QSSEs to enhance efficiency.
Evaluated ionic conductivity and Coulombic efficiency using Li|Cu cells.
Assessed long-term cycling stability through symmetric cell tests.
Achieved 2.23 mS cm−1 ionic conductivity at 25 °C.
Coulombic efficiency measured at 99.34% in Li|Cu cells.
Stable lithium metal interfaces maintained for 1300 hours of cycling.
Li|LiFePO4 cells showed stability beyond 2000 cycles at 1C.
Demonstrated 94.4% capacity retention in a ≈1 Ah Li|NCM811 pouch cell over 60 cycles.

Wang et al. (2025) studied this question.

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