公开(公告)号：US20240079600A1

公开(公告)日：2024-03-07

申请号：US18498072

申请日：2023-10-31

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Cuiping Zhang ,  Changlong Han ,  Chenghua Fu ,  Miaomiao Ren ,  Wen Chang ,  Peng Fan

IPC: H01M4/66 ,  H01M4/131 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0567 ,  H01M10/0568 ,  H01M10/0569

CPC classification number: H01M4/667 ,  H01M4/131 ,  H01M4/505 ,  H01M4/525 ,  H01M4/661 ,  H01M4/663 ,  H01M4/668 ,  H01M10/0567 ,  H01M10/0568 ,  H01M10/0569 ,  H01M2004/028

Abstract: The present application provides a cathode plate, a secondary battery, a battery module, a battery pack, and an electric device. The cathode plate includes: a current collector, a conductive coating, and a cathode active layer. The conductive coating is arranged on at least one surface of the current collector. The conductive coating includes a conductive agent having a weight content of 20% to 50% and a binder having a weight content of 50%˜80%. The cathode active layer is arranged on a surface of the conductive coating away from the current collector, and a cathode active material in the cathode active layer is at least one of a lithium manganate-based cathode material, a ternary cathode material, and a quaternary cathode material.

公开(公告)号：US20240320857A1

公开(公告)日：2024-09-26

申请号：US18733897

申请日：2024-06-05

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Canbin Chen ,  Jun Hu ,  Shiping Feng ,  Qiuhui Zheng ,  Wen Chang ,  Qing Wu ,  Haoran Lu

IPC: G06T7/73 ,  G06T1/00 ,  H01M10/04

CPC classification number: G06T7/74 ,  G06T1/0007 ,  H01M10/0404 ,  G06T2207/10004 ,  G06T2207/30164

Abstract: The present application discloses a method and device for controlling misalignment of electrode plates, electrode plates, an electrochemical cell, and a battery. The method includes: acquiring cut hole position information of an anode electrode plate, and calculating a first width deviation value corresponding to the anode electrode plate according to the cut hole position information and a calibration width of the anode electrode plate; acquiring tab position information of a cathode electrode plate, and calculating a second width deviation value corresponding to the cathode electrode plate according to the tab position information and a calibration width of the cathode electrode plate; and when the anode electrode plate and the cathode electrode plate are stacked, adjusting a feed position of the cathode electrode plate according to the first width deviation value, and compensating for a cut width of the cathode electrode plate according to the second width deviation value.

公开(公告)号：US20240204265A1

公开(公告)日：2024-06-20

申请号：US18595075

申请日：2024-03-04

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Suogang GUO ,  Chenghua Fu ,  Yonghuang Ye ,  Wen Chang

IPC: H01M10/42 ,  H01M10/04 ,  H01M50/46 ,  H01M50/489

CPC classification number: H01M10/4235 ,  H01M10/0431 ,  H01M50/46 ,  H01M50/489

Abstract: Provided in the embodiment of the present application are an electrode assembly, a battery cell, a battery, and an electric apparatus. The electrode assembly includes a positive electrode plate, a negative electrode plate, and a separation assembly The separation assembly is configured to separate the positive electrode plate from the negative electrode plate. The separation assembly includes a substrate area and a reinforcing area connected to the substrate area. A thickness of the reinforcing area is greater than a thickness of the substrate area. At least part of the reinforcing area is located between the positive electrode plate and negative electrode plate adjacent to each other. The reinforcing area may be configured to correspond to a position where the negative electrode plate is prone to lithium precipitation.