POSITIVE ELECTRODE ACTIVE MATERIAL COMPOSITION, POSITIVE ELECTRODE PLATE, BATTERY, AND ELECTRIC APPARATUS

A positive electrode active material composition, a positive electrode plate, a battery, and an electric apparatus are described. The positive electrode active material composition includes a first positive electrode active material and a second positive electrode active material, where the first positive electrode active material includes a core LiAMnBPRODand a coating layer covering the core, and the second positive electrode active material includes a compound LiNiCoMO; and 0.018m+0.003f≤z≤0.02m+0.02f is satisfied.