BATTERY

The present disclosure discloses a battery. A positive electrode plate includes a positive electrode active material layer. The positive electrode active material layer includes a positive electrode active material. A mass fraction of the positive electrode active material based on a total mass of the positive electrode active material layer is denoted as B, and a specific surface area of the positive electrode active material is denoted as C m/g. A negative electrode plate includes a negative electrode active material. A specific surface area of the negative electrode active material is denoted as E m/g. An electrolyte includes a compound represented by Formula 1 and LiBF. A mass fraction of the compound represented by Formula 1 based on a total mass of the electrolyte is denoted as G. The battery satisfies a formula of 0.20≤(10×B×G×E)/C≤3.88.