Contemporary Amperex Technology Co., Ltd.

Contemporary Amperex Technology (hong Kong) Limited

Contemporaty Amperex Technlogy Co., Limited

Yanhuo Xiang

Linggang Zhou

Mu Qian

Peng Wang

Xingdi Chen

Derong Wang

Wenhui Zhang

Yongshou Lin

Dongyang Shi

Jinqing Ji

Jiarong Hong

Wenli Wang

Heng Wang

Jihua Yao

Haizu Jin

Yuqun Zeng

Kaijie You

Xiaoteng Huang

Fenggang Zhao

Fei Hu

Yi Song

Taosheng Zhu

Ning Chen

Yangzhi Huang

Chuanlian Chen

Ziyuan Li

Kangyu Wang

Sheng Shen

Jiubiao Lin

Kaiqin Yu

Lei Yang

Shangfu Zhang

Qinhong Lin

Min Chen

Guangliang Lin

Haixing Gao

Zongxiang Luo

Jie Du

Yuejian Wu

The present application is provided with a battery pack, including a first battery module, a second battery module and a box body, where the first battery module and the second battery module are housed in the box body; the box body including a lower box body configured to support the first battery module and the second battery module, and an upper box body fitting with the lower box body. The lower box body includes a first connecting portion, and the first connecting portion is located between the first battery module and the second battery module. The upper box body includes a second connecting portion, where the first connecting portion and the second connecting portion are fixed and connected. In the battery pack of the present application, the problem of downward deflection of the lower box body is avoided and the strength of the battery pack is improved.

Battery pack

This application provides a battery box, which includes: a heat exchange plate and a lower frame body located on the heat exchange plate. The lower frame body includes edge beams and internal beams, the edge beams forming a circumferential closure opened in an up-down direction, the edge beams and the heat exchange plate together forming an accommodating space with an upward opening, and the internal beams located inside the accommodating space and divide the accommodating space into sub-accommodating spaces for placing battery modules. The heat exchange plate is configured to support the battery modules and exchanges heat with batteries of the battery modules, and a bottom plane of an internal beam is partly in contact with a top plane of the heat exchange plate in the up-down direction.

Battery box

An electric vehicle, a battery pack, and a firefighting fluid storage device are disclosed, which relate to the technical field of energy storage devices. The firefighting fluid storage device includes: a box body, where the box body includes an inner cavity and a fluid outlet, the inner cavity is configured to accommodate a firefighting fluid, and the fluid outlet communicates with the inner cavity; and a gas generation component, where the gas generation component is mounted to the box body and configured to release a gas to the inner cavity. When the gas generation component releases the gas, the firefighting fluid moves toward the fluid outlet under the action of the gas.

Firefighting fluid storage device, battery pack, and electric vehicle

The present application is provided with a fluid storage apparatus of a battery pack, including: a box, where the box has an inner cavity; a partition member, where the partition member is located in the inner cavity of the box, and the partition member divides the box into a fluid storage portion and a gas storage portion. The fluid storage portion is used to store spraying liquid and the fluid storage portion has a fluid outlet; the gas storage portion is used to store gas and the gas storage portion has a fluid inlet. And the partition member is configured to move toward the fluid outlet under the action of compressed gas in the gas storage portion.

Fire-fighting fluid storage apparatus of battery pack

The present disclosure relates to the technical field of energy storage devices, and discloses a battery module, a battery package and a vehicle. The battery module can include a plurality of battery cells arranged in a horizontal direction, the battery cell can include an electrode assembly and a battery case, and the electrode assembly can be accommodated in the battery case. The electrode assembly can include a first electrode sheet, a second electrode sheet, and a separator disposed between the first and second electrode sheets, wherein the dimension of the battery module in the horizontal direction can be larger than that in the vertical direction of the battery module. The electrode assembly can be of a wound structure or of a laminated structure. The present disclosure can effectively reduce the expansion deformation of the battery module.

Battery module, battery pack, and vehicle

The application discloses a battery pack, vehicle and control method for alleviating spreading of thermal runaway of a battery pack. The battery pack includes: a plurality of secondary batteries, a housing of each of which includes a weakened portion, so that a heat flow resulting from thermal runaway of the secondary battery is able to break through the weakened portion to be discharged; a spray pipeline which is arranged corresponding to and at a spacing from weakened portions of the secondary batteries, at least a portion of the spray pipeline corresponding to the weakened portions being a breakthrough region which is able to form an opening under an action of the heat flow, a spray medium in the spray pipeline being sprayed to an abnormal secondary battery in thermal runaway via the opening; where a weight A of the sprayed spray medium is determined according to an equation (0.8A)&#xd7;D/B&#x2265;2.6.

Battery pack, vehicle and control method for alleviating spreading of thermal runaway of battery pack

The application provides a separator assembly, a battery module, a battery pack, an apparatus, and a manufacturing method. The separator assembly includes: an insulating plate, a circuit board arranged on the insulating plate, busbars arranged on the insulating plate on at least one side of the circuit board, and connection sheets connected between the busbars and the circuit board. The connection sheets include an upper connection sheet and a lower connection sheet. The insulating plate includes a first surface and a second surface opposite to each other. The upper connection sheet is arranged on the first surface, and the insulating plate and the lower connection sheet are arranged to be at least partially overlapped in the height direction of the separator assembly, and at least a portion of the lower connection sheet is arranged on the second surface.

Separator assembly, battery module, battery pack, apparatus and manufacturing method

The present disclosure relates to the technical field of assembly of a battery pack, and particularly, to a battery pack. The battery pack includes a housing. A plurality of cells is arranged in interior of the housing. A structural adhesive is filled between a bottom of the housing and the plurality of cells, and the plurality of cells is adhered to the housing through the structural adhesive. In the battery pack provided in the present disclosure, the cells are arranged in the interior of the housing, and the housing is adhered to the cells through the structural adhesive. The structural adhesive can functions as fixing the cells, such that a frame structure of a module can be omitted, the number of components in the battery pack can be reduced, manufacture process can be reduced, assembling efficiency can be improved, and manufacturing cost can be reduced.

The present disclosure provides a side plate and a battery module. The side plate is applied to the battery module. The side plate includes: a first plate, a second plate and a connection portion. The first plate includes a first free end at one side in a height direction, the second plate includes a second free end at the same side in the height direction, the first free end and the second free end abut against each other. The connection portion is located at the other side opposite to the first free end and the second free end in the height direction, and is configured to connect the first plate and the second plate, and enclose a hollow cavity with the first plate and the second plate.

Side plate and battery module

The present disclosure provides a battery module, including a first battery cell arrangement structure, a second battery cell arrangement structure and a bus bar array. With battery cells stacked in a horizontal direction, a first battery cell arrangement structure and a second battery cell arrangement structure are stacked in a vertical direction, and a first bus bar of a bus bar array is used to sequentially connect the battery cells of the first battery cell arrangement structure and the second battery cell arrangement structure. As a result, a total positive electrode and a total negative electrode of a battery module are located at two ends of the battery module, which greatly reduces the possibility of a short circuit of the battery module and improves the safety of the battery module.

Battery module

The present disclosure provides a battery pack and a device comprising the battery pack, the battery pack comprises a double-layer battery module bracket, an upper-layer battery module, a lower-layer battery module and a supporting mechanism; the double-layer battery module bracket comprises an upper plate; a lower fixing member, an upper fixing member and a fastener; the lower fixing member and the upper plate are configured to enclose a lower accommodating space; the upper fixing member and the upper plate being are configured to enclose an upper accommodating space, a lower portion of the fastener exposed from the lower fixing member is fixed on the supporting mechanism; the upper-layer battery module is accommodated in the upper accommodating space and supported on the upper plate; the lower-layer battery module is accommodated in the lower accommodating space; the supporting mechanism supports the lower-layer battery module and the lower fixing member.

The embodiments of the present disclosure provide a battery module and a battery pack. A battery module includes: a cooling component; and a battery group, comprising secondary batteries disposed side by side in a first direction and each including a case having an accommodating hole, an electrode assembly disposed in the accommodating hole, and a cap assembly, the electrode assembly including two end faces disposed opposite to each other in a second direction intersecting the first direction and an electrode tab extending from each end face. The secondary batteries each includes two sides opposite to each other in the second direction, the cooling component is disposed on at least one of the two sides, the cooling component and the end face are respectively disposed on two sides of the case in the second direction, and the cooling component is connected and fixed to each of the secondary batteries.

Battery module and battery pack

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Ningde, China

Yanhuo Xiang