Molecular formula: F₂NO₄S₂.Li Molecular weight: 187.0721064

Lithium bisfluorosulfonamide can be used as an electrolyte additive for lithium ion batteries, and can be used in the electrolyte of rechargeable lithium batteries, which can effectively reduce the high and low temperature resistance of the SEI layer formed on the surface of the electrode plate at low chemical temperature, reducing the capacity loss of lithium battery during placement, thereby providing high battery capacity and electrochemical performance of the battery, and can also be used as an electrolyte for primary batteries