EMIM-TFSI (CAS 174899-82-2) is a versatile room-temperature ionic liquid primarily valued for its unique electrochemical properties

Its key applications center on advanced energy storage and conversion, where it serves as a high-performance electrolyte or protective coating due to its safety and stability advantages

Batteries (Li-Ion, Li-Metal)

High Safety: Non-flammable, reduces explosion risk .
High Stability: Electrochemical window up to ~4.6V, stable up to ~310°C .
High Performance: Enables ionic conductivity of ~2.08 × 10⁻⁴ S cm⁻¹ 

Fuel Cells (PEMFCs)

Enhanced Durability: Boosts oxidation resistance of graphite felt.
Better Water Management: Increases surface hydrophobicity.
Improved Output: Achieved 27 mA cm⁻² at 0.925V vs. 19 mA cm⁻² for uncoated GDL