NEGATIVE ELECTRODE PLATE, SECONDARY BATTERY, BATTERY MODULE, BATTERY PACK, AND APPARATUS

This application provides a negative electrode plate, a secondary battery, a battery module, a battery pack, and an apparatus. The negative electrode plate includes a negative current collector and a plurality of active substance layers formed on the negative current collector, where the plurality of active substance layers include at least a first active substance layer and a second active substance layer; the first active substance layer includes a first negative active substance, and the second active substance layer includes a second negative active substance; a ratio of thickness of the negative active substance of the first active substance layer to average particle size of the first negative active substance is 2.0 to 4.0; and a ratio of thickness of the second active substance layer to average particle size of the second negative active substance is 2.2 to 5.0.