公开(公告)号：US11548365B2

公开(公告)日：2023-01-10

申请号：US17462727

申请日：2021-08-31

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yannan Chu ,  Jinqing Ji ,  Mu Qian ,  Jiubiao Lin

IPC: H01M4/02 ,  B60K1/04 ,  H01M50/244 ,  H01M50/236 ,  H01M50/258 ,  H01M50/204

Abstract: A battery tray and a vehicle include a frame structure including a plurality of frames sequentially connected end to end arranged to be connected to the vehicle, and a base plate structure including an inner base plate and a reinforcing beam, wherein the inner base plate is located on an inner side of the reinforcing beam and arranged for mounting a battery module. The battery tray further includes a reinforcing block, wherein the reinforcing block is connected to a corresponding frame and the reinforcing beam in a matching mode, so as to fixedly connect the reinforcing beam to the frame structure through the reinforcing block. In the battery tray, the strength of the battery tray can be enhanced and a total weight can be decreased only by using the reinforcing block to fixedly connect the reinforcing beam to the frame structure.

公开(公告)号：US12062801B2

公开(公告)日：2024-08-13

申请号：US17714181

申请日：2022-04-06

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Wenjie Wang ,  Yannan Chu ,  Youxin Wu ,  Qiwang Zhou ,  Shuai Wang

IPC: H01M50/209 ,  B60K1/04 ,  H01M50/249 ,  H01M50/262

CPC classification number: H01M50/209 ,  B60K1/04 ,  H01M50/249 ,  H01M50/262 ,  B60K2001/0438

Abstract: The embodiments of the present application provide a frame body, a battery pack, and a device. The frame body used for a battery pack includes a first bracket comprising a first mold chamber; a second bracket connected end to end with the first bracket to form a receiving cavity, the second bracket comprising a second mold chamber; and a block comprising a first reinforcement portion and a second reinforcement portion, wherein the first reinforcement portion received in the first mold chamber and the second reinforcement portion received in the second mold chamber, and the block is adapted to connect the first bracket with the second bracket. The frame body is provided with a block at a connecting portion of the first bracket and the second bracket, thereby improving a connection strength and rigidity of the frame body and the overall bearing capacity of the lower housing including the frame body.

公开(公告)号：US12021253B2

公开(公告)日：2024-06-25

申请号：US17536101

申请日：2021-11-29

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Yannan Chu ,  Mu Qian ,  Jinqing Ji

IPC: H01M50/249 ,  H01M50/186 ,  H01M50/209

CPC classification number: H01M50/249 ,  H01M50/186 ,  H01M50/209 ,  H01M2220/20

Abstract: This application discloses a battery box, a battery pack, and a vehicle. The battery box includes: a lower box, including a bottom plate and a side plate connected to and disposed around the bottom plate; an upper box, connected to the side plate, where the upper box contains a cover plate disposed in opposition to the bottom plate, and the upper box and the lower box jointly close in to form an accommodation chamber; and a connector, disposed in the accommodation chamber and connected to the upper box and the lower box. The connector contains a guide channel, and the guide channel runs through the bottom plate and the cover plate along a first direction. The battery box, the battery pack, and the vehicle in this application satisfies requirements on strength of the battery box and connection strength between the battery pack and the vehicle.

公开(公告)号：US11302972B2

公开(公告)日：2022-04-12

申请号：US17358498

申请日：2021-06-25

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yannan Chu ,  Mu Qian ,  Jinqing Ji

IPC: H01M10/52 ,  H01M50/24 ,  H01M50/342 ,  H01M50/367 ,  H01M50/249

Abstract: The present application provides a battery pack. The battery pack includes a box, the box being configured as a cavity structure; an exhaust channel arranged at the bottom of the box; and a plurality of battery cells, the plurality of battery cells being stacked and housed in the cavity structure of the box, and the plurality of battery cells being located on an end face of the exhaust channel facing away from the bottom of the box, and an end face of each of the battery cells facing the exhaust channel being provided with an explosion-proof valve, where a structural layer of the exhaust channel facing the explosion-proof valve is provided with a weakened zone, and when thermal runaway occurs in any battery cell, a gas in the battery cell is capable of being collected into the exhaust channel via the weakened zone and discharged.

公开(公告)号：US11148520B2

公开(公告)日：2021-10-19

申请号：US17133594

申请日：2020-12-23

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yannan Chu ,  Jinqing Ji ,  Mu Qian ,  Jiubiao Lin

IPC: H01M4/02 ,  B60K1/04 ,  H01M50/244 ,  H01M50/236 ,  H01M50/258 ,  H01M50/204

Abstract: A battery tray and a vehicle include a frame structure including a plurality of frames sequentially connected end to end arranged to be connected to the vehicle, and a base plate structure including an inner base plate and a reinforcing beam, wherein the inner base plate is located on an inner side of the reinforcing beam and arranged for mounting a battery module. The battery tray further includes a reinforcing block, wherein the reinforcing block is connected to a corresponding frame and the reinforcing beam in a matching mode, so as to fixedly connect the reinforcing beam to the frame structure through the reinforcing block. In the battery tray, the strength of the battery tray can be enhanced and a total weight can be decreased only by using the reinforcing block to fixedly connect the reinforcing beam to the frame structure.

公开(公告)号：US11600886B2

公开(公告)日：2023-03-07

申请号：US17124477

申请日：2020-12-16

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yannan Chu ,  Mu Qian ,  Jinqing Ji

IPC: H01M50/249 ,  H01M50/143 ,  H01M50/317 ,  H01M50/383 ,  H01M50/242 ,  H01M50/103 ,  H01M50/209 ,  H01M50/271 ,  H01M50/291 ,  H01M50/30 ,  H01M10/625 ,  H01M10/6556 ,  H01M10/6561

Abstract: The present application provides a battery pack. The battery pack comprises a case, a cavity structure being provided in the bottom of the case; and a plurality of battery cells, the plurality of battery cells being stacked at the bottom of the case, and an end surface, facing the bottom of the case, of each of the battery cells being provided with an explosion-proof valve, wherein a structural layer, facing the explosion-proof valve, of the bottom of the case is provided with a weak area, and gas in the battery cell during thermal runaway of any battery cell may be collected via the weak area into the cavity structure and then is discharged.

公开(公告)号：US11554654B2

公开(公告)日：2023-01-17

申请号：US17462827

申请日：2021-08-31

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yannan Chu ,  Jinqing Ji ,  Mu Qian ,  Jiubiao Lin

IPC: H01M4/02 ,  B60K1/04 ,  H01M50/244 ,  H01M50/236 ,  H01M50/258 ,  H01M50/204

Abstract: A battery tray and a vehicle include a frame structure including a plurality of frames sequentially connected end to end arranged to be connected to the vehicle, and a base plate structure including an inner base plate and a reinforcing beam, wherein the inner base plate is located on an inner side of the reinforcing beam and arranged for mounting a battery module. The battery tray further includes a reinforcing block, wherein the reinforcing block is connected to a corresponding frame and the reinforcing beam in a matching mode, so as to fixedly connect the reinforcing beam to the frame structure through the reinforcing block. In the battery tray, the strength of the battery tray can be enhanced and a total weight can be decreased only by using the reinforcing block to fixedly connect the reinforcing beam to the frame structure.