Conductive Power Rod for Electrochemical Cell

    公开(公告)号:US20240356173A1

    公开(公告)日:2024-10-24

    申请号:US18740195

    申请日:2024-06-11

    摘要: Disclosed herein is a design for an electrochemical energy-storage device. The device includes an electrode assembly with a separator that separates a positive electrode and a negative electrode. These electrodes and separator are radially coiled about a central axis to form a central void. A positive electrode current collector is in electrical contact with the positive electrode, while a negative electrode current collector is in electrical contact with the negative electrode. A conductive power rod is positioned in the central void and provides structural support to prevent the collapse of the central void. The rod is either: (a) in electrical contact with the positive electrode current collector and provides a low-resistance current path with a positive terminal; or (b) in electrical contact with the negative electrode current collector and provides a low-resistance current path with a negative terminal. Both terminals are electrically isolated from each other.

    End cover assembly, energy storage device, and electric apparatus

    公开(公告)号:US12107301B1

    公开(公告)日:2024-10-01

    申请号:US18610274

    申请日:2024-03-20

    发明人: Hepan Xiao Jiben Tan

    IPC分类号: H01M50/567 H01M50/15

    CPC分类号: H01M50/567 H01M50/15

    摘要: The present disclosure provides an end cover assembly, an energy storage device, and an electric apparatus. The end cover assembly includes: a cover plate having a first through hole; a pole including a pole body, the pole body passing through the first through hole and provided with a first thread at an outer peripheral surface of the pole body; an insulator provided on the cover plate and having a second through hole, the second through hole having a hole wall provided with a second thread, the pole body passing through the second through hole, and the first thread being connected to the second thread; an anti-loosening structure including a first anti-loosening portion and a second anti-loosening portion that are engaged with and connected to each other to prevent the insulator from loosening.

    INTERNAL CONNECTION STRUCTURE OF BATTERY TERMINAL AND BATTERY

    公开(公告)号:US20240304960A1

    公开(公告)日:2024-09-12

    申请号:US18003467

    申请日:2022-10-20

    发明人: Liming Huang

    IPC分类号: H01M50/567 H01M50/167

    CPC分类号: H01M50/567 H01M50/167

    摘要: An internal connection structure of a battery terminal and a battery, the internal connection structure of the battery terminal includes a a roll core, a first current collector, and a snapping portion. The roll core is provided with a first electrode tab and a second electrode tab. The first current collector is connected to the first electrode tab, and the first current collector is provided with a hole. The snapping portion is disposed on an inner side of the battery terminal, the snapping portion is snapped through the hole, the battery terminal passes through the hole and is snapped and assembled with the first current collector through the snapping portion, and the battery terminal is configured to enable a positive end of the roll core extend outwards.

    BATTERY CELL AND BATTERY PACK INCLUDING THE SAME

    公开(公告)号:US20240186663A1

    公开(公告)日:2024-06-06

    申请号:US18370315

    申请日:2023-09-19

    发明人: Myung Chul KIM

    摘要: A battery cell including an electrode assembly and a cap assembly. The cap assembly includes a terminal plate, a negative electrode terminal, and a positive electrode terminal. The negative electrode terminal and the positive electrode terminal respectively include a rivet terminal electrically connecting the terminal plate and the electrode assembly, and each of the terminal plates has a guide line on a plate surface thereof and passing through a center of the rivet terminal.