SEPARATOR MEMBRANE TESTING METHOD, APPARATUS AND DEVICE

The present application discloses a diaphragm detection method, device and apparatus, and relates to the technical field of batteries. The method includes: acquiring a target image of an electrode plate to be detected, wherein the electrode plate to be detected includes an anode electrode plate and diaphragms respectively stacked on both sides of the anode electrode plate; performing image processing on the target image to determine a target image region in the target image; performing diaphragm misalignment detection on the electrode plate to be detected based on the target image region.