Used in lithium-sulfur batteries as a liquid electrolyte formulation, typically consisting of 1.0M LiTFSI and 0.2M LiNO3 in a 1:1 mixture of DME and DOL solvents. Enables efficient lithium-ion transport and compatibility with sulfur cathodes. The LiNO3 additive promotes stable solid electrolyte interphase (SEI) formation on lithium anodes, mitigating dendrite growth and enhancing cycle stability. Offers high energy density potential for applications in electric vehicles and portable electronics, though flammability risks require careful handling compared to solid-state alternatives.