CORE CELL STACK ASSEMBLY AND STACKING METHOD THEREFOR, AND BATTERY

Provided are a core cell stack assembly and a stacking method therefor, and a battery. The core cell stack assembly includes a positive electrode sheet, a negative electrode sheet, and a separator located between the positive electrode sheet and the negative electrode sheet in a thickness direction of the core cell stack assembly. An edge of the separator is flush with an edge of the negative electrode sheet and extends beyond an edge of the positive electrode sheet on at least one end of each of the positive electrode sheet, the negative electrode sheet, and the separator.