Electrolyte, secondary battery, battery module, battery pack and power consuming device

Abstract

The present application relates to an electrolyte, comprising an organic solvent and an electrolyte salt dissolved in the organic solvent, wherein the electrolyte salt comprises an alkali metal double salt, the alkali metal double salt containing lithium ions and at least one other alkali metal ion other than lithium ions. The present application also relates to a corresponding secondary battery, battery module, battery pack and power consuming device. In the electrolyte, an alkali metal double salt containing lithium ions and at least one other alkali metal ion other than lithium ions is used in an electrolyte salt, such that the cycling performance of a secondary battery can be effectively improved and the cycle life of the secondary battery can be prolonged without introducing additional impurities and causing side reactions.

Dependencies are inferred from the claim text.