公开(公告)号：US20200161616A1

公开(公告)日：2020-05-21

申请号：US16427934

申请日：2019-05-31

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Lei WANG ,  Linggang Zhou ,  Xingdi Chen ,  Peng Wang ,  Derong Wang

IPC: H01M2/10 ,  B60K1/04 ,  H01M10/613 ,  H01M10/625 ,  H01M10/6556 ,  H01M10/6554

Abstract: The present disclosure relates to a casing for a battery pack and a battery pack. The casing has a receiving space and an opening in communication with the receiving space, the receiving space is formed by a wall portion of the casing, and the wall portion is formed from two or more stacked base plates, between which a plurality of cavities are formed. By forming a plurality of cavities in the wall portion, the casing for a battery pack provided by the present disclosure not only can improve the bearing capacity and the impact resistance of the casing, but also can achieve a thermal management of the battery assembly by filling the plurality of cavities with a phase change material or cooling liquid, which can further improve the mechanical property of the casing with a relatively light weight and relatively high reliability.

公开(公告)号：US11495861B2

公开(公告)日：2022-11-08

申请号：US17358037

申请日：2021-06-25

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Lei Wang ,  Linggang Zhou ,  Xingdi Chen ,  Peng Wang ,  Derong Wang

IPC: H01M50/20 ,  H01M10/613 ,  H01M10/625 ,  H01M10/6554 ,  H01M10/6556 ,  B60K1/04

Abstract: The present disclosure relates to a casing for a battery pack and a battery pack. The casing has a receiving space and an opening in communication with the receiving space, the receiving space is formed by a wall portion of the casing, and the wall portion is formed from two or more stacked base plates, between which a plurality of cavities are formed. By forming a plurality of cavities in the wall portion, the casing for a battery pack provided by the present disclosure not only can improve the bearing capacity and the impact resistance of the casing, but also can achieve a thermal management of the battery assembly by filling the plurality of cavities with a phase change material or cooling liquid, which can further improve the mechanical property of the casing with a relatively light weight and relatively high reliability.

公开(公告)号：US11139527B2

公开(公告)日：2021-10-05

申请号：US17129572

申请日：2020-12-21

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yuqun Zeng ,  Fenggang Zhao ,  Xingdi Chen ,  Lei Wang ,  Linggang Zhou ,  Peng Wang ,  Derong Wang ,  Cong Bao

IPC: H01M50/20 ,  H01M50/249 ,  H01M50/242 ,  H01M50/244 ,  B60K1/04 ,  B60L50/60 ,  B65D21/02

Abstract: The present disclosure provides a lower box body, a battery box and a vehicle, the lower box body comprises a base body, a first protecting assembly, a mounting hole. The base body comprises a bottom plate portion, a side plate portion, eave portions. The first protecting assembly is provided at outside of the base body, fixed to the base body and is attached to the eave portion. The mounting hole penetrates the eave portion and the first protecting assembly. The first protecting assembly improves the entirety structural strength of the lower box. Because the mounting hole is formed by penetrating the eave portion and the first protecting assembly, the structural stability of the mounting location of the lower box body is improved, thereby making the mounting location of the lower box body not be prone to be deformed or damaged when the battery box is subjected to the external force.

公开(公告)号：US11101519B2

公开(公告)日：2021-08-24

申请号：US16427934

申请日：2019-05-31

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Lei Wang ,  Linggang Zhou ,  Xingdi Chen ,  Peng Wang ,  Derong Wang

IPC: H01M50/20 ,  H01M10/613 ,  H01M10/625 ,  H01M10/6554 ,  H01M10/6556 ,  B60K1/04

Abstract: The present disclosure relates to a casing for a battery pack and a battery pack. The casing has a receiving space and an opening in communication with the receiving space, the receiving space is formed by a wall portion of the casing, and the wall portion is formed from two or more stacked base plates, between which a plurality of cavities are formed. By forming a plurality of cavities in the wall portion, the casing for a battery pack provided by the present disclosure not only can improve the bearing capacity and the impact resistance of the casing, but also can achieve a thermal management of the battery assembly by filling the plurality of cavities with a phase change material or cooling liquid, which can further improve the mechanical property of the casing with a relatively light weight and relatively high reliability.

公开(公告)号：US11043715B2

公开(公告)日：2021-06-22

申请号：US17111126

申请日：2020-12-03

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Lei Wang ,  Linggang Zhou ,  Xingdi Chen ,  Peng Wang ,  Derong Wang

IPC: H01M50/20 ,  H01M10/613 ,  H01M10/625 ,  H01M10/6556 ,  H01M10/6554 ,  B60K1/04

Abstract: The present disclosure relates to a casing for a battery pack and a battery pack. The casing includes a receiving space and an opening in communication with the receiving space, the receiving space is formed by a wall portion of the casing, and the wall portion is formed from two or more stacked base plates, between which a plurality of cavities are formed. By forming a plurality of cavities in the wall portion, the casing for a battery pack provided by the present disclosure not only can improve the bearing capacity and the impact resistance of the casing, but also can achieve a thermal management of the battery assembly by filling the plurality of cavities with a phase change material or cooling liquid, which can further improve the mechanical property of the casing with a relatively light weight and relatively high reliability.

公开(公告)号：US10573862B2

公开(公告)日：2020-02-25

申请号：US15730498

申请日：2017-10-11

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Hanxiang Liu ,  Lin Zheng ,  Derong Wang

IPC: H01M2/10 ,  H01M2/20 ,  H01M2/34 ,  H01M2/30 ,  H01M10/04 ,  H01M10/14 ,  H01M10/42

Abstract: The present disclosure provides a battery module, which comprises: a plurality of mono-batteries, each mono-battery has electrode terminals which are opposite in electrical polarity; and an electrical connection sheet connecting at least two corresponding electrode terminals, the electrical connection sheet is formed with at least one fusing portion, each fusing portion is positioned between two adjacent electrode terminals. The battery module further comprises: an insulating sheet supported on the fusing portion which is positioned between the two adjacent electrode terminals connected by the electrical connection sheet, when the fusing portion supporting the insulating sheet is fused and a fracturing slit is formed, the insulating sheet drops into the fracturing slit to electrically isolate two facing sides of the electrical connection sheet which are at the fracturing slit. Therefore it avoids the phenomenon of an electrical arc occurring at the fracturing slit and makes the electrical arc extinct.

公开(公告)号：US11646469B2

公开(公告)日：2023-05-09

申请号：US16967350

申请日：2018-12-28

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Chao Long ,  Linggang Zhou ,  Derong Wang ,  Libing Chan

IPC: H01M50/262 ,  H01M50/204 ,  H01M50/271

CPC classification number: H01M50/262 ,  H01M50/204 ,  H01M50/271

Abstract: The present application relates to a battery pack case and a battery pack, the battery pack case includes: a case body including an accommodating chamber and a side wall provided with a maintenance port communicating with the accommodating chamber; a cover plate assembly, detachably connected to an outer surface of the side wall, being capable of opening or closing the maintenance port and including a cover plate and an outer gasket stacked with each other. The cover plate includes a first concave portion recessed in a thickness direction of the cover plate and a first limiting portion surrounding an outer periphery of the first concave portion, and abuts against the outer surface by the first limiting portion to form a first receiving chamber, the outer gasket is disposed in the first receiving chamber and is closely contact with the first concave portion and the outer surface.

公开(公告)号：US20200161602A1

公开(公告)日：2020-05-21

申请号：US16433680

申请日：2019-06-06

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Lei Wang ,  Xingdi Chen ,  Linggang Zhou ,  Peng Wang ,  Derong Wang

IPC: H01M2/04 ,  H01M2/10 ,  H01M2/02 ,  H01M10/625 ,  H01M10/6556

Abstract: The present disclosure relates to a casing for a battery pack and a battery pack. The casing has a receiving space and an opening in communication with the receiving space, the receiving space is formed by a wall portion of the casing, and the wall portion is formed from two or more stacked base plates, between which a plurality of cavities are formed, wherein an island is disposed within the cavity. By disposing islands in the plurality of cavities, the casing provided by the present disclosure not only can improve the structural strength of the casing and of the cavities, but also can change the flow capacity and flow rate of the fluid in the cavities, which can make the temperature distribution of the casing more uniform, increase the heat exchange efficiency of the battery assembly, and further improve the thermal management of the battery pack.

公开(公告)号：US20190067656A1

公开(公告)日：2019-02-28

申请号：US16053579

申请日：2018-08-02

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Shangfu ZHANG ,  Kaiqin Yu ,  Yincheng Huang ,  Lin Ma ,  Derong Wang ,  Linggang Zhou

IPC: H01M2/10

CPC classification number: H01M2/1077 ,  H01M2/0247 ,  H01M2/1094 ,  H01M10/647 ,  H01M2220/20

Abstract: The present disclosure provides a frame and a battery module. The frame is composed of a peripheral wall, the peripheral wall encloses to form a receiving cavity closed in a circumferential direction and opened at two ends in an axial direction, the peripheral wall is provided with at least one adhesive injection hole passing through the peripheral wall. The battery module comprises a plurality of secondary batteries arranged side by side, the frame and an adhesive. The secondary batteries are received in the receiving cavity. The adhesive comprises: a first part which adheres every two adjacent secondary batteries; a second part which adheres two secondary batteries positioned at outermost sides of the plurality of secondary batteries in an arrangement direction with the peripheral wall; a third part which adheres a lower side of the first part and a lower side of the second part with the peripheral wall.

公开(公告)号：US10050244B2

公开(公告)日：2018-08-14

申请号：US15190014

申请日：2016-06-22

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Qinhong Lin ,  Yanhuo Xiang ,  Min Chen ,  Derong Wang

IPC: H01M10/052 ,  H01M2/10

Abstract: The present disclosure provides a battery module comprising a plurality of mono-batteries arranged side by side; two end plates positioned at two opposite ends respectively; two side plates positioned at a front side and a rear side respectively and securely connected to the two end plates; a bottom plate positioned under the plurality of mono-batteries and securely connected to the two end plates and the two side plates; a plurality of insulating spacers provided on each side plate, each insulating spacer extends in an up-down direction, and the two adjacent insulating spacers on each side plate receive one side of one corresponding mono-battery in a front-rear direction; a plurality of insulating bonding materials, each insulating bonding material is provided between the two adjacent insulating spacers on each side plate, so as to bond one side surface of one corresponding mono-battery in the front-rear direction.