NEGATIVE ELECTRODE ACTIVE MATERIAL, NEGATIVE ELECTRODE SHEET, ENERGY STORAGE DEVICE AND ELECTRICITY-CONSUMPTION DEVICE

The present disclosure relates to a negative electrode active material, a negative electrode sheet, an energy storage device and an electricity-consumption device. The negative electrode active material includes: mesopores with a pore size of 2nm to 50nm and macropores with a pore size of 100nm to 200nm; a percentage of total mesopore volume is A, a percentage of total macropore volume is B, and B/A satisfies: 2.6≤B/A≤5.0.