ELECTROLYTE COMPOSITION, AND BATTERY AND DEVICE INCLUDING THE SAME

An electrolyte composition for batteries is provided. The electrolyte composition includes a solvent including one or more fluorinated carbonates. The electrolyte composition further includes a lithium-based salt and a lithium (oxalato)borate salt. Additionally, a battery including the electrolyte composition is provided. The battery includes an anode, a nickel-based cathode, and the electrolyte composition disposed between the anode and the nickel-based cathode.