Inert gas sparging strips ammonia during bis(fluorosulfonyl)imide alkali salt synthesis, preventing solvent side reactions and enabling high purity.
Coordinating solvents stabilize non-alkali metal bis(fluorosulfonyl)imide salts, enabling thermally stable, conductive battery materials.
Continuous LiFSI synthesis combines extraction, evaporation, dehydration, and recycling to cut moisture, waste, and production cost.
Continuous extraction, evaporation, and crystallization raise LiFSI purity while lowering moisture, waste, and production cost.
A staged absorbent-assisted route improves LiFSI yield and purity while enabling anhydrous electrolyte salt production under mild conditions.
Solvent-based dissolution and ether crystallization remove key impurities from crude bis(fluorosulfonyl)imide salts for battery-grade purity.
A noncrystalline lithium tetraborate, water, and lithium salt composition forms a soft hydrated layer that boosts ionic conductivity in solid-state batteries.