公开(公告)号：US20230266254A1

公开(公告)日：2023-08-24

申请号：US18135743

申请日：2023-04-18

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Guoda HUANG ,  Weizhi ZHOU ,  Yuanfu CHEN ,  Qingqing SONG ,  Kai CUI ,  Minjiang XU ,  Yiruo WANG ,  Gang LIN

IPC: G01N21/892 ,  G01B11/04

CPC classification number: G01N21/892 ,  G01B11/043 ,  G01N2201/126

Abstract: A method and a device for testing an electrode sheet, the method may comprise: acquiring M pieces of test data of a tab, wherein the tab protrudes from the end face of the electrode sheet along the first direction, the M pieces of test data are the test data of the tab at M consecutive positions along the second direction, the M pieces of test data are the test data of the height of the tab in the first direction, the second direction is perpendicular to the first direction, and M is a positive integer greater than 1; and determining whether the shape of the tab is normal based on the M pieces of test data.