ELECTROLYTIC SOLUTION AND BATTERY

An electrolytic solution and a battery. The electrolytic solution includes a first lithium salt, a second lithium salt and a first additive, the first lithium salt at least including lithium bis(fluorosulfonyl)imide, the second lithium salt being selected from at least one of lithium difluoro(oxalato) borate, or lithium difluoro(bisoxalato)phosphate, and the first additive being methylene methanedisulfonate.