POSITIVE ELECTRODE PLATE AND LITHIUM-ION SECONDARY BATTERY CONTAINING SAME

A positive electrode plate includes a positive electrode current collector and a positive electrode active material layer disposed on at least one surface of the positive electrode current collector. The positive electrode active material layer includes a first positive electrode active material LiMnMOAand a second positive electrode lithiation material LiMnNOB. The positive electrode plate satisfies 1.5≤R·P/Q≤30, where R represents resistance of the positive electrode plate in Ω; P represents compacted density of the positive electrode plate in g/cm; and Q represents single-sided surface density of the positive electrode plate in g/1540.25 mm.