ELECTROLYTE FOR THICK LFP-LITHIUM BATTERY SYSTEM

An electrolyte for a thick LFP-Li battery system is provided. The electrolyte includes a low-viscosity main salt, at least one lithium-based functional salt, and a solvent including a low viscosity solvent mixed with a cyclic ether solvent. The low-viscosity main salt includes at least one of LiTFSI or a lithium salt.