Abstract: A method for preparing an energy storage cell is provided, and includes: providing a film layer, where the film layer is one of a positive electrode sheet, a separating film, and a negative electrode sheet, and the film layer has a first edge and a second edge opposite the first edge; performing a dispensing treatment on the film layer to form a plurality of groups of glue dots arranged on a surface of the film layer in a first direction; providing remaining two of the positive electrode sheet, the separating film, and the negative electrode sheet, and stacking the negative electrode sheet, the separating film, and the positive electrode sheet sequentially to form a stacked structure; and performing a winding treatment on the stacked structure from the second edge toward the first edge.

Abstract: The present disclosure provides a formation capacity-grading apparatus and a probe set detection method. The apparatus includes: a probe assembly including a plurality of connected probe sets, the probe sets being detachable, and the probe sets being configured to form and grade a capacity of a battery; a support apparatus located on one side of the probe assembly and configured to support the probe assembly and replace the probe sets; and a pressing platform with a height adjustable in a direction in which the probe assembly points to the support apparatus.