公开(公告)号：US20240380038A1

公开(公告)日：2024-11-14

申请号：US18779131

申请日：2024-07-22

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Xing CHENG ,  Wei CHEN ,  Yongbin WU ,  Shaojun NIU

IPC: H01M50/169 ,  H01M50/107 ,  H01M50/152 ,  H01M50/213

Abstract: The present application relates to a cylindrical cell, a battery, and a power consuming device, and belongs to the field of battery manufacturing technology. The present application provides a cylindrical cell, comprising: a housing, the housing having an opening at an end in a first direction; and an end cap, covering the opening; wherein the housing comprises a side wall, the side wall comprises a first wall portion and a second wall portion disposed in the first direction, the second wall portion is located on a side of the first wall portion close to the opening, the second wall portion has a thickness greater than the thickness of the first wall portion, and the second wall portion is welded to the end cap.

公开(公告)号：US20240047785A1

公开(公告)日：2024-02-08

申请号：US18487693

申请日：2023-10-16

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Wei CHEN ,  Dongyang SHI ,  Baiqing LI

IPC: H01M10/6568 ,  H01M10/613 ,  H01M10/654 ,  H01M50/15 ,  H01M10/6556 ,  H01M50/169 ,  H01M10/625 ,  H01M50/538

CPC classification number: H01M10/6568 ,  H01M10/613 ,  H01M10/654 ,  H01M50/15 ,  H01M10/6556 ,  H01M50/169 ,  H01M10/625 ,  H01M50/538 ,  H01M2220/20

Abstract: A battery cell includes an electrode assembly, a housing, and two end caps. The housing includes two openings opposite to each other in a first direction, a housing wall closing around, and a partitioning portion disposed in the housing wall. The partitioning portion partitions an inner cavity of the housing into a first cavity and a second cavity independent of each other in a second direction. The second direction is perpendicular to the first direction. The first cavity is configured to accommodate the electrode assembly. The second cavity forms a flow channel for a cooling liquid. The two end caps are disposed at the two openings, respectively. The end caps are hermetically connected to the housing wall, and the end caps are hermetically connected to end faces of the partitioning portion, respectively.

公开(公告)号：US20230207915A1

公开(公告)日：2023-06-29

申请号：US17886228

申请日：2022-08-11

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Wei CHEN ,  Xiaojian HUANG ,  Yuanmiao ZHAO ,  Zhimin DAN

IPC: H01M10/615 ,  H01M10/625 ,  H01M10/63

CPC classification number: H01M10/615 ,  H01M10/625 ,  H01M10/63 ,  H01M2220/20

Abstract: A battery heating control method includes collecting a battery parameter of a battery module, in response to the battery parameter of the battery module meeting a preset heating condition, controlling a traction battery and a feed battery of the battery module to charge and discharge each other so that the battery module is heated through mutual charge and discharge of the traction battery and the feed battery, and controlling the traction battery of the battery module to power a motor of a vehicle.

公开(公告)号：US20240250332A1

公开(公告)日：2024-07-25

申请号：US18625899

申请日：2024-04-03

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Wei CHEN ,  Yuanmiao ZHAO ,  Xianxi PAN ,  Xiaojian HUANG ,  Yu YAN ,  Zhimin DAN

IPC: H01M10/63 ,  H01M10/42 ,  H01M10/44 ,  H01M10/615 ,  H02J7/00

CPC classification number: H01M10/63 ,  H01M10/4264 ,  H01M10/443 ,  H01M10/615 ,  H02J7/0042 ,  H02J7/0047 ,  H02J7/0063 ,  H02J7/007194

Abstract: A device and method for heating a battery are provided. The device is provided on a first power-consuming device and includes: a first interface electrically coupled to a neutral point of a motor winding of the first power-consuming device; a second interface electrically coupled to a negative electrode of a battery of the first power-consuming device; and a control module coupled to a control system of the first power-consuming device and a control system of a second power-consuming device to coordinate and control the first power-consuming device and the second power-consuming device. The first interface is engageable with a third interface electrically coupled to a neutral point of a motor winding of the second power-consuming device. The second interface is engageable with a fourth interface electrically coupled to a negative electrode of a battery of the second power-consuming device. The control module is configured to perform a battery heating step.

公开(公告)号：US20240006649A1

公开(公告)日：2024-01-04

申请号：US18236944

申请日：2023-08-23

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Wankui ZHAO ,  Yaojin CHEN ,  Gang LIN ,  Yiruo WANG ,  Peichao WANG ,  Guoda HUANG ,  Chao XIE ,  Wei CHEN

IPC: H01M10/04 ,  H01M50/46 ,  H01M4/13

CPC classification number: H01M10/0431 ,  H01M50/46 ,  H01M4/13 ,  H01M2004/021

Abstract: The present disclosure relates to an electrode assembly, a battery cell, a battery, an electrical equipment, a winding equipment, and a method, which belongs to the battery technology field. The electrode assembly may include a first electrode plate and a second electrode plate with opposite polarity, wherein the first electrode plate and the second electrode plate may be stacked and wound along the winding direction to form the electrode assembly, wherein the first electrode plate may include a first segment and a second segment, wherein the first segment may be provided with a first active substance layer, and the second segment may be provided with a second active substance layer, and the first segment may be located upstream of the second segment along the winding direction from inside to outside.

公开(公告)号：US20230235957A1

公开(公告)日：2023-07-27

申请号：US18098246

申请日：2023-01-18

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yuting LI ,  Huan CHE ,  Wei CHEN ,  Shisong LI ,  Yalong QING

IPC: F26B21/00 ,  F26B3/02 ,  B05D3/02

CPC classification number: F26B21/004 ,  F26B3/02 ,  B05D3/0272

Abstract: The present application discloses a drying device and an electrode plate manufacturing apparatus. The drying device for drying a material comprises: a first oven section; a second oven section; and a third oven section, the first oven section, the second oven section and the third oven section being arranged sequentially in a movement direction of the material, wherein the second oven section has a larger air outlet area than the first oven section, and the first oven section has a larger air outlet area than the third oven section, such that the air speed of the first oven section is greater than that of the second oven section, and the air speed of the third oven section is greater than that of the first oven section. The solution provided by the present application can increase the production efficiency of batteries.

公开(公告)号：US20240274925A1

公开(公告)日：2024-08-15

申请号：US18437150

申请日：2024-02-08

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Wei CHEN ,  Donglai ZHENG ,  Dongyang SHI ,  Chuan LI ,  Donglai GUAN

IPC: H01M50/133 ,  H01M10/04 ,  H01M50/169 ,  H01M50/586

CPC classification number: H01M50/133 ,  H01M50/586 ,  H01M10/0409 ,  H01M10/0431 ,  H01M50/169

Abstract: A battery cell includes a housing having an opening at an end along a first direction, an electrode assembly contained in the housing and having a main body and a tab connected to the main body, and an end cap configured for covering the opening. The housing includes a first side plate having a first plate portion and a second plate portion both arranged along the first direction. The second plate portion is located at an end of the first plate portion near the opening, and a thickness of the second plate portion is greater than a thickness of the first plate portion. An end of the second plate portion near the first plate portion extends beyond the welded portion in the first direction. The main body does not overlap with the second plate portion in a thickness direction for the first side plate.

公开(公告)号：US20240204164A1

公开(公告)日：2024-06-20

申请号：US18416904

申请日：2024-01-19

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Fang LUO ,  Huan CHE ,  Tao NIE ,  Wei CHEN ,  Shisong LI

IPC: H01M4/04 ,  F26B3/30 ,  F26B21/00 ,  H01M4/139

CPC classification number: H01M4/0471 ,  F26B3/30 ,  F26B21/004 ,  H01M4/139

Abstract: The present disclosure relates to the field of battery production device technologies, and more particularly, to an oven and a battery assembly line production device. The oven at least includes a first oven unit, a second oven unit, a third oven unit, and a fourth oven unit that are sequentially connected in series in a conveying direction of the electrode plate. Based on drying physical characteristics of the electrode plate, the first oven unit and the third oven unit are internally provided with air nozzles and infrared heaters for drying the electrode plate by hot air and infrared rays. The second oven unit and the fourth oven unit are internally provided with the air nozzles for drying the electrode plate by hot air.

公开(公告)号：US20240186928A1

公开(公告)日：2024-06-06

申请号：US18439048

申请日：2024-02-12

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Xiaojian HUANG ,  Zhimin DAN ,  Chenghua FU ,  Wei CHEN

IPC: H02P21/22 ,  B60L58/27 ,  H02P27/08

CPC classification number: H02P21/22 ,  B60L58/27 ,  H02P27/08 ,  B60L2240/545

Abstract: A control method for a battery heating system. The battery heating system includes an inverter and a motor winding, and the inverter is connected to the motor winding and a battery. The control method includes acquiring a target voltage vector required for motor operation; and controlling, according to the target voltage vector, the motor winding to output a pulse current to the battery through the inverter.

公开(公告)号：US20230246199A1

公开(公告)日：2023-08-03

申请号：US18133527

申请日：2023-04-12

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Huan CHE ,  Wei CHEN ,  Baohua XU ,  Zi WANG ,  Shisong LI

IPC: H01M4/66 ,  H01M4/70

CPC classification number: H01M4/667 ,  H01M4/70

Abstract: A battery plate may include a current collector, wherein at least one face of the current collector may include a coated area and an uncoated area that may be connected, the coated area may be coated with an active material layer and an insulation layer, and the insulation layer may be located on one side of the active material layer close to the uncoated area. The insulation layer may include a first part and a second part that may be connected, the second part may be located in an edge area of the insulation layer close to the active material layer, and the active material layer may be configured to cover the second part, such that the active material layer may partially overlap with the insulation layer in a thickness direction of the plate.