LITHIUM-ION BATTERY AND ELECTRICAL APPARATUS

The embodiments of the present application discloses a lithium-ion battery and an electrical apparatus. The lithium-ion battery includes an electrolyte solution. The electrolyte solution includes a metal ion, a Stokes radius of the metal ion is smaller than that of a lithium ion, a CB value of the lithium-ion battery satisfies: 1.06≤CB≤1.32, and the CB value is a ratio of a capacity of a negative-electrode active material per unit area to a capacity of a positive-electrode active material per unit area.