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Electroactive ionic liquids to improve the safety of batteries

Technology Area: Energy Storage

Commercial Maturity: Prototype

Abstract: A redox molecule is bound to the cation or anion composing an ionic liquid as electrolyte for Li-ion battery. Such electrolytes are stable and protect against overcharging from the redox shuttle dissolved at high concentration in the electrolyte. High redox potential was achieved with low viscosity in iron phosphate blends.