Contemporary Amperex Technology Co., Ltd.

Contemporary Amperex Technology (hong Kong) Limited

Ningde Amperex Technology Limited

Contemporary Amperex Technology Limited

Shoujiang Xu

Sien Chen

Chunyan Feng

Xin Zeng

Lei Chen

Baojian Zhu

Xiaoshan Dai

Kaiqin Yu

Qiao Zeng

Wei Wang

Jiacai Cai

Lei Yang

Qiqi Huo

Hong Yang

Xichen Wei

The present application relates to a battery module, a battery pack, a device and an assembly method of the battery module, the battery module includes: a battery cell arrangement structure including a plurality of battery cells stacked upon one another; a cable tie, the cable tie surrounding outside the battery cell arrangement structure, and at least including a first cable tie and a second cable tie of different materials; and where at least part of the first cable tie is located on a side of the second cable tie close to the battery cell. The cable tie can have characteristics of the first cable tie and the second cable tie, which improves an applicability of the cable tie. In this case, it is helpful to improve a connection reliability of the cable tie to the battery cell arrangement structure, and to release an expansion force of the battery module.

Battery module, battery pack, device and assembly method of battery module

A secondary battery. The secondary battery includes an electrode assembly, a housing, a top cover assembly, a current collecting member, and an insulation member. The electrode assembly is accommodated in the housing and includes a body portion and a first tab. The first tab extends from one end of the body portion in a transverse direction. The top cover assembly includes a top cover plate and a first electrode terminal disposed on the top cover plate. The top cover plate is connected to the housing, and the first electrode terminal is connected to the current collecting member. The insulation member is disposed between the body portion and the current collecting member. The insulation member includes a through gap. The first tab passes.

Secondary battery comprising insulation member

The application relates to a sampling assembly, a connection assembly, a battery module and a vehicle. The sampling assembly is used for a battery module including a busbar. The sampling assembly includes: a sampling circuit board having a predetermined length and a predetermined width; a sampling leg including a first connection portion, an intermediate portion and a second connection portion, the first connection portion being connected to the sampling circuit board, the second connection portion configured to be connected to the busbar, the first connection portion including a first connection region connected to the intermediate portion, the second connection portion including a second connection region connected to the intermediate portion, at least a part of the intermediate portion having a cross-sectional area which is smaller than a cross-sectional area of the first connection region and smaller than a cross-sectional area of the second connection region.

Sampling assembly, connection assembly, battery module and vehicle

This application relates to a top pressing plate, a secondary battery, and a method for manufacturing a secondary battery. The top pressing plate is used for a secondary battery, the secondary battery including a top cover sheet, an insulating separator and an electrode assembly, the electrode assembly including a main body portion and electrode tabs connected to the main body portion, the electrode tabs each including a welding end portion, the top pressing plate includes: a first surface and a second surface provided oppositely in a thickness direction of the top pressing plate and an accommodating groove recessed from the second surface toward the first surface, the top pressing plate can be provided between the insulating separator and the main body portion, the first surface faces the main body portion, the second surface faces the insulating separator, and the accommodating groove is disposed to accommodate the welding end portion.

Top pressing plate, secondary battery and method for manufacturing secondary battery

The application relates to a battery module, a battery pack and a vehicle. The battery module includes: secondary batteries, in which two or more secondary batteries are arranged side by side in an arrangement direction; a busbar arranged on a top of the secondary batteries and electrically connected to at least two of the secondary batteries; a sampling assembly including a sampling circuit board arranged on the top of the secondary batteries and a sampling leg extending from the sampling circuit board toward the busbar, the sampling leg and the busbar being welded to form a welded zone; a connector, the sampling leg and the busbar being connected by the connector, the connector being located at a side of the welded zone close to the sampling circuit board.

Battery module, battery pack and vehicle

The present application provides a battery module, a battery pack and a vehicle, the battery module includes a battery and a frame assembly. The frame assembly includes two first splints, two second splints and a first strap. Each first splint includes a plurality of first connecting plates, and the plurality of first connecting plates are arranged side by side in a second direction. One of two adjacent first connecting plates is provided with a first positioning groove, and the other is provided with a first positioning protrusion, and the two adjacent first connecting plates are spliced and connected through a clearance fitting between the first positioning groove and the corresponding first positioning protrusion. This assembly method is simple and fast, which improves a grouping efficiency of the battery module.

The present invention provides a secondary battery, including an electrode assembly, a housing, a top cover assembly, and an insulating member. The electrode assembly includes two first surfaces and two second surfaces, and the two first surfaces are located respectively at two ends of the electrode assembly in the thickness direction. The second surfaces are extended from the ends of the first surfaces along a width direction, and intersecting lines are formed between the first surfaces and the second surfaces. The housing has an opening and forms an accommodating cavity. The electrode assembly is located inside the accommodating cavity of the housing, and the top cover assembly is connected to the opening of the housing and seals the housing. The insulating member includes two first insulating sheets, and the two first insulating sheets are disposed respectively at two sides of the electrode assembly along the thickness direction.

Secondary battery

The present disclosure provides a battery module, comprising: a plurality of batteries stacked in a length direction L of the battery module; and an end plate located at an end of the plurality of batteries in the length direction L. The end plate is provided with at least one end plate mounting hole, and each of the at least one end plate mounting holes extends along a height direction H of the battery module. The end plate includes an inner wall and an external wall that are disposed opposite to each other in the length direction L, and an axis of each of the at least one end plate mounting holes includes a first distance Lfrom the inner wall and a second distance Lfrom the external wall. The first distance Lis greater than the second distance L

Battery module

The present disclosure discloses to a sampling circuit board for a battery module and a battery module. The sampling circuit board for a battery module comprises a main board comprising a plurality of electrical connection areas; and a plurality of sampling terminals respectively electrically connected to the plurality of the electrical connection areas, and an end of each of the sampling terminals extends away from the main board, and each of the sampling terminals connected to one of the electrical connection areas of the main board via a connection member, wherein the connection member comprises a main body and at least one hook assembly provided on the main body, and the hook assembly laminates and attaches one of the sampling terminals and one of the electrical connection areas of the main board.

Sampling circuit board for battery module and battery module

This application provides a battery module, a battery pack, and a vehicle. The battery module includes batteries, a first end plate, and a second end plate. A first lug portion of the first end plate is provided with a first mounting hole. A second lug portion of the second end plate is provided with a second mounting hole. An area of a lower surface of the first lug portion is S, a distance from a central axis of the first mounting hole to a center line of the battery module is d, an area of a lower surface of the second lug portion is Sand a distance from a central axis of the second mounting hole to the center line of the battery module is d, where d&#x3e;d, and S&#x3c;S.

Battery module, battery pack, and vehicle

The present disclosure provides a battery module, including: a plurality of batteries that is stacked; an end plate disposed at an end of the plurality of batteries in a direction, along which the plurality of batteries are stacked; an electric insulation component disposed between the end plate and a battery of the plurality of batteries adjacent to the end plate, the electric insulation component comprising at least one mounting portion; and at least one heat insulation component disposed below the end plate and connected to a bottom of the end plate. Each of the at least one heat insulation component is detachably connected to a corresponding one of the at least one mounting portion.

The disclosure relates to an output electrode plate and a battery module. The output electrode plate comprises a first metal plate. The first metal plate includes a first region and a second region in a first direction. The first region includes a first overcurrent portion and a second overcurrent portion in a second direction. The second region is connected to the first region. The first overcurrent portion is provided with a through hole which extends in a thickness direction thereof, and a projection of the through hole along the first direction does not exceed a projection of the second region along the first direction in the second direction, and the first metal plate is formed with a minimum overcurrent section at the through hole, such that the minimum overcurrent section is first fused when a current flowing through the first metal plate is greater than a preset current.

Output electrode plate and battery module

The present disclosure relates to a separator assembly and a battery module, wherein the separator assembly comprises: a separator body, having a first surface and a second surface opposite to each other in a thickness direction of the separator body; electrical connecting plates, connected to the second surface of the separator body, wherein two or more electrical connecting plates are spaced apart from each other in a length direction of the separator body, and a through slot is provided on the separator body between two adjacent electrical connecting plates, extending from the first surface to the second surface in the thickness direction; and an output electrode plate mount, being connected to the second surface of the separator body as a cantilever.

Separator assembly and battery module

The present disclosure relates to a battery module comprising: a plurality of single cells arranged in sequence; a sampling circuit board disposed opposite to a top of the single cells and provided with a conductive hole and a conductive sleeve disposed in the conductive hole; and a busbar having a connecting plate and a conductive post extending from the connecting plate, and the connecting plate being connected to the single cells, wherein the busbar is electrically connected to the sampling circuit board by insertion of the conductive post into the conductive sleeve. The battery module according to embodiments of the present disclosure includes a busbar and a sampling circuit board electrically connected with each other, which have a stable and reliable connection and a high impact resistance ability, thereby improving an operational reliability and safety of the battery module.

The present disclosure relates to a fixing frame and a battery pack. The fixing frame comprises a top connecting frame comprising two or more fixing plates spaced apart from each other in a first direction and a connecting component connecting the two adjacent fixing plates, the connecting component comprising a recess portion and an adapter portion, the recess portion being recessed in a second direction and the adapter portion being connected to both sides of the recess portion in the first direction, and the connecting component being connected to the two adjacent fixing plates via the adapter portion; and locking plates provided on the top connecting frame and extending along the second direction, the locking plate comprising in the second direction a first end connected to the top connecting frame and a second end connectable to an external structural member; wherein the first direction intersects the second direction.

Growing community of inventors

Ningde, China

Shoujiang Xu