NON-AQUEOUS ELECTROLYTE SOLUTION AND LITHIUM ION BATTERY CONTAINING NON-AQUEOUS ELECTROLYTE SOLUTION

摘要

A non-aqueous electrolyte solution and a lithium ion battery containing said non-aqueous electrolyte solution. The non-aqueous electrolyte solution comprises a non-aqueous organic solvent, electrically conductive lithium salt, and an additive, the additive being composed of at least one phosphate ester-type lithium salt compound and at least one compound containing S=O.