Technology Licensing Opportunity: Flame-Retardant Electrolytes for Safer Lithium-Ion Batteries

Opportunity timeline

In plain English
The Department of Energy is offering a licensing opportunity for flame-retardant, air- and water-stable ionic liquids designed for safer lithium-ion battery electrolytes. The materials can dissolve lithium salts, remain stable above 150 °C, and may also be used in aerospace, defense, industrial, chemical-processing, and lubricant applications. INL is seeking companies interested in licensing and commercializing the technology; no purchase or service contract is described.
Flame-Retardant Electrolytes for Safer Lithium-Ion Batteries A non-flammable, high-stability electrolyte system that makes lithium-ion batteries safer and more reliable in extreme environments. Technology Summary: A novel class of stabilized phosphoranimines has been developed as air- and water-stable room-temperature ionic liquids (RTILs) with flame-retardant properties and thermal stability beyond 150 °C. These compounds address long-standing limitations of traditional phosphoranimines, which are typically reactive intermediates, by introducing new structural motifs that enable safe handling and practical use. Critically, the materials can solubilize lithium salts and maintain stability…
Time remaining
Closes Sep 30, 2026





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Ref No.
BS-D8F541