公开(公告)号：US12073550B2

公开(公告)日：2024-08-27

申请号：US18595413

申请日：2024-03-04

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Pengfei Duan ,  Qi Chen ,  Jianlei Wang ,  Ya Dai ,  Yang Lei

IPC: G06T7/12 ,  G06T7/00

CPC classification number: G06T7/0004 ,  G06T7/12 ,  G06T2207/30108

Abstract: An Overhang detection method for a battery electrode sheet includes acquiring an image of a battery electrode sheet; determining the locations of a plurality of electrode sheet edges in the image, wherein the plurality of electrode sheet edges are electrode sheet edges related to an Overhang measurement value corresponding to the image, the location of each electrode sheet edge is determined on the basis of an area where each electrode sheet edge is located, and the area where each electrode sheet edge is located is a dynamically determined area; and determining, according to the locations of the plurality of electrode sheet edges, the Overhang measurement value corresponding to the image.

公开(公告)号：US20240072296A1

公开(公告)日：2024-02-29

申请号：US18501049

申请日：2023-11-03

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Ruhu Liao ,  Gang Zeng ,  Fenggang Zhao ,  Ya Dai ,  Jianlei Wang

IPC: H01M10/04 ,  H01M50/46

CPC classification number: H01M10/0454 ,  H01M10/0404 ,  H01M10/0459 ,  H01M50/46

Abstract: Provided are an electrode assembly, a battery cell, a battery and an electrical device, belonging to the technical field of battery manufacturing. The electrode assembly comprises: a first electrode sheet, comprising a plurality of bending segments and a plurality of stacking segments arranged in layers, wherein each bending segment is configured to connect two adjacent stacking segments, the first electrode sheet has a first broken seam, and the first broken seam extends in the width direction of the first electrode sheet to break the first electrode sheet; and a plurality of second electrode sheets, wherein the polarity of the second electrode sheet is opposite to the polarity of the first electrode sheet, and each second electrode sheet is arranged between two adjacent stacking segments in the stacking direction of the plurality of stacking segments.

公开(公告)号：US20220021016A1

公开(公告)日：2022-01-20

申请号：US17489666

申请日：2021-09-29

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Fenggang ZHAO ,  Zhiyang Wu ,  Ruhu Liao ,  Gang Zeng ,  Ya Dai ,  Yongsheng Yu

IPC: H01M10/04

Abstract: The disclosure relates to an electrode assembly and its forming method and a manufacturing system, a secondary battery, a battery module and a device. The electrode assembly includes: a first electrode plate including a plurality of bending sections and a plurality of stacked first stacking sections, each bending section being configured to connect two adjacent first stacking sections, herein the bending section includes a guiding portion for guiding the bending section to be bent during production; and a second electrode plate with a polarity opposite to that of the first electrode plate, the second electrode plate including a plurality of second stacking sections, and each second stacking section being disposed between two adjacent first stacking sections.