Contemporary Amperex Technology Co., Ltd.

Contemporary Amperex Technology (hong Kong) Limited

Contemporary Amperex Technology Limited

Yuqian Wen

Xiaowei Zhang

Wei Zhang

Minghao Tang

Zhiwen Wang

Shengwu Zhang

Xiang Wu

Wei Li

Yuqun Zeng

Qingrui Xue

Jing Li

Zige Zhang

Fenggang Zhao

Chao Yang

Zhiyang Wu

Long Wang

Miao Jiang

Biao Huang

Jiacai Cai

Chao Xie

Lei Zhang

Qinglin Bai

Zhen Li

Qingyuan Jiang

Jun Ni

Bo Han

Xiangyun Bai

Wenfa Lin

Shengyun Yan

Jianxin Dou

Zhengshan Guo

Feng Pan

Linglong Tang

The present application provides a battery cell, a battery, and a power consuming apparatus, and belongs to the field of battery technologies. The battery cell includes a shell, an electrode assembly, a first terminal post, and a second terminal post. The shell has a circular wall portion. The electrode assembly is accommodated in the shell. The first terminal post and the second terminal post have opposite polarities. The first terminal post and the second terminal post are spaced apart on the wall portion and are both electrically connected to the electrode assembly. A minimum distance between the first terminal post and a central axis of the wall portion is greater than a minimum distance between the second terminal post and the central axis of the wall portion in a radial direction of the wall portion.

Battery cell, battery, and power consuming apparatus

An electrode plate includes an active material layer, a current collector including an insulating layer and first and second conductive layers sandwiching the insulating layer, and a conductive structure. The conductive structure includes a first conductive member including a first section arranged along a side of the first conductive layer and a second section extending from the first section and beyond the current collector in a direction away from the active material layer, and a second conductive member including a first connecting section connected to the second conductive layer, a bent section connected to the first connecting section and bent towards the first conductive member relative to the first connecting section, and a second connecting section bent backward relative to the bent section to be sandwiched between the first section and the first conductive layer.

Secondary battery and electrode plate

A winding device includes a pair of outer pins oppositely arranged in a first direction with a periphery for an electrode assembly to wind around, adjusting members configured to reciprocate in a second direction perpendicular to the first direction to drive the pair of outer pins to move away from or close to each other to increase or reduce a distance between the pair of outer pins, a pair of inner pins arranged oppositely in the first direction between the pair of outer pins and configured to move independent of the adjusting members to clamp or release the electrode assembly, and an elastic returning member configured to apply an elastic force in the first direction to at least one of the pair of inner pins such that the pair of inner pins have a tendency to be close to each other.

Winding device, winding apparatus and winding method

A cell winding calibration method includes: obtaining a first reference distance between first and second reference lines; obtaining a reference number of pixels included in the first reference distance, and determining, based on the first reference distance and the reference number of pixels included in the first reference distance, an actual distance corresponding to a single pixel; obtaining an actual number of pixels included in a distance between an edge of a winding substrate and the first or second reference line, and determining real-time position information of the edge of the winding substrate based on the actual number of pixels included in the distance between the edge of the winding substrate and the first or second reference line and the actual distance corresponding to a single pixel; and calibrating the winding substrate based on the real-time position information of the edge of the winding substrate.

Cell winding calibration method, apparatus, and device, and cell winding system

Embodiments of this application relate to the field of lithium battery production technologies and disclose a slurry filtering apparatus and a coating system. The slurry filtering apparatus may include a rotating filter element and a gravity filter. The gravity filter may be provided with a feed port and a first discharge port. A height of the feed port on the gravity filter may be greater than that of the first discharge port on the gravity filter. The rotating filter may be connected to the feed port and is configured to provide a positive-pressure filtered slurry to the gravity filter. The first discharge port may be configured to convey a slurry filtered by the gravity filter to a coating apparatus.

Slurry filtering apparatus and coating system

A winding shaft structure includes a winding shaft holder rotatable around an axial direction of the winding shaft structure, a first shaft group connected to one side of the winding shaft holder in the axial direction and configured to rotate together with the winding shaft holder, a second shaft group disposed on a side of the first shaft group in a radial direction of the winding shaft structure, a connecting member connected between the first shaft group and the second shaft group such that the second shaft group is movable with respect to the first shaft group in the radial direction via the connecting member, and a piezoelectric adjustment member disposed between the first shaft group and the second shaft group and deformable in the radial direction to adjust a distance between the first shaft group and the second shaft group.

Winding shaft structure and winding apparatus

Provided are a winding device and a winding apparatus. An inner shaft of the winding device is configured to clamp an electrode assembly; and an outer shaft of the winding device is configured to wind the electrode assembly. The winding device includes: a first slider and a first pusher, where the first slider may reciprocate in a first sliding slot in the first pusher in a first direction, and an extension direction of the first sliding slot is inclined from the first direction such that the first pusher drives a first inner shaft to reciprocate in a second direction, the second direction being perpendicular to the first direction; and a second slider and a second pusher, where the second slider may reciprocate in a second sliding slot in the second pusher in a third direction, and an extension direction of the second sliding slot is inclined from the third direction.

Winding device and winding apparatus

The present disclosure relates to a secondary battery and a method of manufacturing the secondary battery. The secondary battery includes: a case; an electrode assembly, accommodated in the case and including a main body and a tab connected to the main body; a cap plate, coupled to the case; an electrode terminal, located on an outer side of the cap plate and including a first metal layer and a second metal layer disposed one on top of another; and a current collecting member, connected between the tab and the electrode terminal.

Secondary battery and method of manufacturing the secondary battery

A welding assembly for a liquid-injection hole of a secondary battery, including a top cover of a case, a liquid-injection hole, a sealing cover-plate and a stress release structure, wherein the liquid-injection hole is disposed in the top cover and includes a assembling recess and a through-hole arranged sequentially from top to bottom of the top cover, the assembling recess and the through-hole present a stepped transition and the radial dimension of the assembling recess is larger than that of the through-hole. The sealing cover-plate is accommodated in the assembling recess and the stress release structure is provided at one or both sides of the welding portion and capable of releasing stress from the welding portion. The welding assembly provides a stress release structure nearby the welding portion, and when the welding portion is full-strength welded, the stress-release structure can effectively release stress nearby the welding seam.

Welding assembly for liquid-injection hole of secondary battery

Growing community of inventors

Ningde, China

Yuqian Wen