Sensing assembly, battery assembly comprising same, and method for manufacturing battery assembly

Abstract

The present invention relates to a sensing assembly, a battery assembly comprising the sensing assembly, and a method for manufacturing the battery assembly, the battery assembly comprising a battery cell stack comprising a plurality of battery cells extending in a first direction and arranged in a second direction transverse to the first direction, a side end plate, and the sensing assembly, the side end plate is arranged on one side of the battery cell stacking body in the second direction, and the sensing assembly covers the area of the side surface of the battery cell stacking body in the first direction. The sensing assembly includes a sensing plate and a sensing support frame that supports the sensing plate.

Description

[0001] Cross-reference to related applications

[0002] This application claims priority to Korean Patent Application No. 10-2024-0137126, filed on October 8, 2024, with the Korean Intellectual Property Office, the entire contents of which are incorporated herein by reference. Technical Field

[0003] The present invention relates to a sensing component, a battery assembly including the sensing component, and a method for manufacturing the battery assembly. Background Technology

[0004] Electric vehicles are environmentally friendly and can help alleviate environmental problems and the depletion of oil resources. Examples of electric vehicles include plug-in hybrid electric vehicles (PHEVs), battery electric vehicles (BEVs), and fuel cell electric vehicles (FCEVs).

[0005] In some cases, electric vehicles may include a battery casing that supports the battery cells. Electric vehicles can use battery cells as a power source and can house cell-to-pack (CTP) battery assemblies inside the battery casing to increase the capacity of the battery cells housed in the battery pack.

[0006] In some cases, the battery assembly may include a sensing component. The sensing component can be manually assembled into the battery pack. Summary of the Invention

[0007] This invention describes a sensing component that can be automated during the manufacturing process, and a battery assembly that includes the sensing component.

[0008] According to one aspect of the subject matter described in this application, a battery assembly includes a battery cell stack, a side plate, and a sensing assembly. The battery cell stack includes a plurality of battery cells extending along a first direction and arranged in a second direction transverse to the first direction. The side plate is disposed on a side portion of the battery cell stack in the second direction and faces the plurality of battery cells. The sensing assembly covers a region of the side surface of the battery cell stack in the first direction and faces the plurality of battery cells. The sensing assembly includes a sensing plate and a sensing support frame supporting the sensing plate. The sensing support frame includes a plate support portion, a side support portion, and a guide boss. The plate support portion supports the sensing plate and extends from the side portion of the battery cell stack along the second direction. The side support portion extends from an end portion of the plate support portion along the first direction and is supported by the side plate. The guide boss protrudes from an end portion of the plate support portion in the second direction and is disposed above the side plate.

[0009] Implementations of this aspect may include one or more of the following features. For example, the guide boss may include a first stop region and a second stop region, wherein the first stop region extends along a first direction, and the second stop region extends from the first stop region along a third direction transverse to the first and second directions. In some examples, the first and second stop regions may contact a side end plate. In some examples, the side end plate may include: a first contact surface and a second contact surface, wherein the first contact surface faces one side of the first stop region in the first direction and contacts one end of the first stop region, and the second contact surface faces one side of the second stop region in the third direction and contacts one end of the second stop region.

[0010] In some embodiments, the side end plate may define a recessed region between the first contact surface and the second contact surface, the recessed region being recessed in a direction away from the guide boss.

[0011] In some embodiments, the sensing assembly further includes a bus electrically connected to a plurality of battery cells, wherein the sensing support frame includes a plurality of bus supports that support the bus and extend from the plate support along a third direction transverse to the first and second directions. The plurality of bus supports may be spaced apart from each other in the second direction, thereby defining a plurality of tab grooves extending along the third direction. In some examples, each of the plurality of bus supports may include a protrusion disposed at one end of the bus support in the third direction, protruding in the first direction and supporting the bus.

[0012] In some embodiments, the side end plate may be defined as recessed in a second direction and receiving a mounting groove for the side support. For example, the mounting groove may include: a first mounting region, a second mounting region, a third mounting region, and a fourth mounting region, wherein the first mounting region extends along a first direction, the second mounting region extends from a first end of the first mounting region along a third direction transverse to the first and second directions, the third mounting region extends from a second end of the first mounting region along a third direction, and the fourth mounting region extends from the third mounting region along the first direction.

[0013] In some examples, the side support may include a first side region, a second side region, a third side region, and a fourth side region, wherein the first side region extends along a first direction and is inserted into the first placement region, the second side region extends from a first end of the first side region along a third direction and is inserted into the second placement region, the third side region extends from a second end of the first side region along a third direction and is inserted into the third placement region, and the fourth side region extends from the third side region along a first direction and is inserted into the fourth placement region.

[0014] In some embodiments, the side end plate includes an edge cover disposed on the third-direction side of the first placement region and supporting a side support. In some examples, the side end plate further includes a retaining clamp projecting from the edge cover toward the first placement region and disposed between the second and third placement regions, the retaining clamp being configured to secure the side support. In some embodiments, the placement groove extends along a first direction, and the side support extends along the first direction and is inserted into the placement groove.

[0015] In some embodiments, the sensing assembly further includes wires electrically connected to the sensing plate, wherein the wires are disposed on the surface of the side support and extend along the side support in a first direction.

[0016] According to another aspect, the sensing assembly includes a sensing board, a bus, and a sensing support frame supporting the bus and the sensing board. The sensing support frame includes: a side support portion, a board support portion, and a plurality of bus support portions. The side support portions extend along a first direction, and the board support portions extend from the side support portions along a second direction transverse to the first direction. The sensing board is attached to the board support portions, and the bus is attached to the plurality of bus support portions. The plurality of bus support portions extend from the board support portions along a third direction transverse to the first and second directions, and are spaced apart from each other in the second direction.

[0017] Implementations of this aspect may include one or more of the following features. For example, the sensing support frame further includes a guide boss that protrudes from the plate support to the outer side of the sensing support frame in a second direction, wherein the guide boss includes: a first stop region extending in a first direction; and a second stop region extending from the first stop region in a third direction.

[0018] An embodiment of this aspect may include one or more of the following features. For example, the side support includes: a first side region, a second side region, a third side region, and a fourth side region, wherein the first side region extends along a first direction, the second side region extends from a first end of the first side region along a third direction, the third side region extends from a second end of the first side region along a third direction, and the fourth side region extends from the third side region along the first direction.

[0019] In some examples, each of the plurality of bus supports includes a protrusion disposed at one end of the bus support in a third direction, projecting in a first direction and supporting the bus. In some examples, the sensing assembly further includes wires electrically connected to the sensing plate, wherein the wires are disposed on the surface of the side support and extend along the side support in the first direction.

[0020] According to another aspect, a method for manufacturing a battery assembly includes: stacking a plurality of battery cells extending along a first direction, wherein the plurality of battery cells are stacked in a second direction transverse to the first direction, providing a pair of side end plates on opposite sides of the plurality of battery cells, wherein the pair of side end plates face the plurality of battery cells in the second direction, and assembling a sensing assembly in a third direction transverse to the first and second directions to assemble the sensing assembly and the pair of side end plates. Attached Figure Description

[0021] The above and other objects, features and advantages of the invention will become clearer from the detailed description presented thereafter in conjunction with the accompanying drawings.

[0022] Figure 1 A perspective view showing an example of a battery pack.

[0023] Figure 2 This is an exploded 3D view of the battery pack.

[0024] Figure 3 A perspective view showing an example of a battery assembly.

[0025] Figure 4 This is an exploded 3D view of the battery assembly.

[0026] Figure 5 A perspective view showing an example of a sensing component.

[0027] Figure 6 This is a stereo view of the sensing component when viewed from another angle.

[0028] Figure 7 for Figure 3 An enlarged schematic diagram of part "A" shown in the image.

[0029] Figure 8 A perspective view showing an example of a sensing component.

[0030] Figure 9 This is a perspective view before the sensing components are mounted on the battery cell stack.

[0031] Figure 10 This is a schematic diagram illustrating an example of a battery cell inserted into a tab slot in a busbar support.

[0032] Figures 11 to 13 This is a schematic diagram illustrating an example process of moving a sensing component to the opposite side of a third direction and mounting it on a stack of battery cells.

[0033] Figure 14 A flowchart illustrating an example of a method for manufacturing battery components. Detailed Implementation

[0034] In the following, one or more embodiments of the invention will be described in detail with reference to the accompanying drawings. When adding reference numerals to the parts in the drawings, it should be noted that the same parts are represented by the same reference numerals even when drawn in different drawings. Furthermore, in describing embodiments of the invention, detailed descriptions of relevant known configurations and functions will be omitted when it is determined that such detailed descriptions might hinder understanding of how the invention is implemented.

[0035] In the following text, reference will be made to Figures 1 to 14 One or more embodiments of the present invention will be described in detail.

[0036] Figure 1 This is a 3D view of the battery pack. Figure 2 This is an exploded 3D view of the battery pack.

[0037] Reference Figure 1 and Figure 2 The battery pack 100 may include a battery housing 200 and a battery pack cover 300 attached to the battery housing 200.

[0038] The battery housing 200 may define a space for accommodating the battery assembly 400. For example, the battery housing 200 may include a substrate 250 and a front member 210 and a rear member 220 bonded to the substrate 250.

[0039] In some embodiments, the battery housing 200 may include a pair of side members 230 that connect the front member 210 and the rear member 220 and extend parallel to each other. The front member 210, the rear member 220, and the pair of side members 230 may be coupled to the substrate 250 to define a space for accommodating the battery assembly 400.

[0040] The battery assembly 400 can be mounted on the battery casing 200 in a cell-to-pack (CTP) configuration. In some cases, because the battery assembly 400 can be mounted on the battery casing 200 without the need for a battery module housing, the battery capacity of the battery pack 100 can be relatively large.

[0041] To mount the battery assembly 400 parallel to each other inside the battery housing 200, the battery housing 200 may include a lateral member 240 for guiding the position of the battery assembly 400. The lateral member 240 may extend to connect a pair of side members 230 between the front member 210 and the rear member 220. The lateral member 240 may be secured to the substrate 250 by a fixing member 260.

[0042] Figure 3 This is a 3D view of the battery assembly. Figure 4 This is an exploded 3D view of the battery assembly. Figure 5 This is a 3D view of the sensing component. Figure 6 This is a stereo view of the sensing component when viewed from another angle. Figure 7 for Figure 3 An enlarged schematic diagram of part "A" shown in the image.

[0043] Reference Figures 3 to 7 The battery assembly 400 may include a battery cell stack 410, which includes a plurality of battery cells 420 extending along a first direction ("X" direction or the opposite direction to "X" direction) and arranged along a second direction perpendicular to the first direction ("Y" direction or the opposite direction to "Y" direction).

[0044] The battery assembly 400 may include side end plates 500 disposed on opposite sides of the battery cell stack 410 in a second direction, and sensing components 600 disposed on opposite sides of the battery cell stack 410 in a first direction.

[0045] The battery cell stack 410 may include a surface pressure member 430 and a cooling plate. The surface pressure member 430 is disposed between the battery cells 420, and the cooling plate contacts the battery cells 420 to cool them. An insulating plate 540 may be attached to a side end plate 500.

[0046] The sensing component 600 may include a sensing plate 610 for measuring the voltage of the battery cell 420, a wire 620 electrically connected to the sensing plate 610, a busbar 630 electrically connected to the battery cell 420, and a temperature sensor 640 for measuring the temperature of the battery cell 420.

[0047] The sensing assembly 600 may include a sensing support frame 700, which supports a sensing plate 610, wires 620, a bus 630, and a temperature sensor 640. The sensing support frame 700 may extend along the periphery of the battery cell stack 410 and may cover two opposite regions of the battery cell stack 410 in a first direction. That is, the sensing plate 610, wires 620, bus 630, and temperature sensor 640 may be attached to the sensing support frame 700.

[0048] The sensing support frame 700 may include a plate support portion 710, a side support portion 720, and a bus support portion 730. The sensing plate 610 is attached to the plate support portion 710 and the plate support portion 710 supports the sensing plate 610. The wire 620 and the temperature sensor 640 are attached to the side support portion 720, and the bus support portion 730 supports the bus 630.

[0049] A pair of plate supports 710 can be provided, and the pair of plate supports 710 can be respectively provided on one side ("X" direction) and the opposite side (opposite to "X" direction) of the first direction of the battery cell stack 410. The pair of plate supports 710 can extend from the opposite sides of the battery cell stack 410 in the first direction along a second direction. An insulating cover 440 can be provided on the opposite sides of the plate supports 710 in the first direction.

[0050] A pair of side support portions 720 are provided, and the pair of side support portions 720 can extend along the opposite side of the first direction from the plate support portion 710 disposed on one side of the first direction ("X" direction) of the battery cell stack 410 to the plate support portion 710 disposed on the opposite side of the first direction (opposite to the "X" direction) of the battery cell stack 410.

[0051] The wire 620 can be mounted on a pair of opposite surfaces of the side support 720 facing the first direction. The wire 620 can be electrically connected not only to the sensing plate 610, but also to the temperature sensor 640, and the side support 720 can be formed of a material that can be manufactured as an injection molded product for attaching the wire 620.

[0052] A pair of side supports 720 can be supported by side end plates 500 disposed on opposite sides of the battery cell stack 410 in the second direction. On opposite sides of the battery cell stack 410 in the second direction, the side supports 720 can be disposed in a region on one side (“Z” direction).

[0053] The bus support portion 730 can extend from the plate support portion 710 along the opposite side of the third direction (the direction opposite to the "Z" direction). One end 731 of the bus support portion 730 facing the opposite side of the third direction can protrude to one side of the first direction ("X" direction), so that the bus 630 is supported between one end 731 and the plate support portion 710.

[0054] Multiple busbar supports 730 may be configured to be spaced apart from each other in a second direction. Tab slots 732 with opposite openings in a third direction may be formed between the multiple busbar supports 730.

[0055] The tab groove 732 can extend in a third direction among multiple busbar supports 730. The tab groove 732 can be the electrode tab 421 of the battery cell 420 (see...). Figure 11 The electrode tabs 421 of the battery cell 420 can pass through the tab groove 732 to be electrically connected to the busbar 630.

[0056] With this structure, the sensing component 600 can move from a region on the third-direction side (“Z” direction) of the battery cell stack 410 toward the battery cell stack 410, which can facilitate automation in the manufacturing process of the battery component 400.

[0057] In some implementations, the position of the sensing component 600 can be fixed when the sensing component 600 moves toward the battery cell stack 410 toward the opposite side of the third direction (the direction opposite to the "Z" direction).

[0058] In some examples, the sensing support frame 700 may include a guide boss 740 of the intervention side end plate 500. The guide boss 740 may project outward from the plate support portion 710 in a second direction and may be mounted on the side end plate 500. Here, the outer side in the second direction may be the opposite sides in the second direction.

[0059] The guide boss 740 may be disposed in the region on the opposite side of the third direction of the side support portion 720. The guide boss 740 may include a first stop region 741 extending in a first direction and a second stop region 742 extending from one end of the first stop region 741 in the first direction to the opposite side of the third direction (the direction opposite to the "Z" direction).

[0060] Both the first stop region 741 and the second stop region 742 can contact the side end plate 500. More specifically, the side end plate 500 may include a first contact surface 551 facing a first direction to contact one end of the first stop region 741, and a second contact surface 552 facing a third direction to contact one end of the second stop region 742.

[0061] The second contact surface 552 can extend from the first contact surface 551 toward the side facing the first direction. The areas where the first contact surface 551 and the second contact surface 552 face each other can have a shape that is recessed in a direction spaced apart from the guide boss 740. In other words, the areas where the first contact surface 551 and the second contact surface 552 face each other can be formed to be open to the side facing the first direction and to the side facing a third direction.

[0062] With this structure, the position of the sensing component 600 can be guided even when the sensing component 600 moves from one side of the battery cell stack 410 to the opposite side of the third direction, thereby improving the manufacturing performance of the battery component 400.

[0063] In some examples, when the sensing component 600 is mounted on the battery assembly 400, the side support 720 can be supported by the side end plate 500 to fix its position.

[0064] In some embodiments, the side end plate 500 may include a mounting groove 520 which is formed concave on the outer side in a second direction to define a space in which the side support portion 720 is inserted.

[0065] The placement slot 520 may include a first placement area 521 extending along a first direction, a second placement area 522 extending from one end of the first placement area 521 toward a third direction (“Z” direction), a third placement area 523 extending from the other end of the first placement area 521 toward a third direction (“Z” direction), and a fourth placement area 524 extending from the third placement area 523 toward a first direction (“X” direction). Multiple first to fourth placement areas 521, 522, 523, and 524 may be provided, and the fourth placement area 524 may be located on the opposite side of the second placement area 522 in the first direction (opposite to the “X” direction).

[0066] The side support portion 720 may include a first side region 721, a second side region 722, a third side region 723, and a fourth side region 724. The first side region 721 extends along a first direction to be inserted into a first placement region 521. The second side region 722 extends from one end of the first side region 721 toward a third direction (“Z” direction) to be inserted into the second placement region 522. The third side region 723 extends from the other end of the first side region 721 toward a third direction (“Z” direction) to be inserted into the third placement region 523. The fourth side region 724 extends from the third side region 723 toward a first direction (“X” direction) to be inserted into the fourth placement region 524. Multiple first to fourth side regions 721, 722, 723, and 724 may be provided, and the fourth side region 724 may be located on the opposite side of the second side region 722 in the first direction (opposite to the “X” direction).

[0067] The side end plate 500 may include an edge cover 510 formed on one side of the third direction (“Z” direction) of the mounting groove 520 and supporting the side support portion 720, and a fixing clamp 530 protruding from the edge cover 510 along the opposite side of the third direction (the direction opposite to the “Z” direction).

[0068] The edge cover 510 may extend along a first direction and may contact one end of the side support 720 facing a third third direction (“Z” direction). A retaining clamp 530 may protrude from the edge cover 510 toward a first mounting region 521 between the second mounting region 522 and the third mounting region 523. The retaining clamp 530 may fix the positions of the first to third side regions 721, 722, and 723 to fix the position of the side support 720.

[0069] Figure 8 A perspective view showing an example of a sensing component.

[0070] Reference Figure 8 ,and Figure 7 The sensing component 600 shown is different. Figure 8 The side support portion 720 may have a shape that extends along the first direction.

[0071] In some embodiments, the side end plate 500 may have a shape in which the mounting groove 520 extends along a first direction, unlike Figure 7 The side end plate 500 shown.

[0072] In the following text, reference will be made to Figures 9 to 14 A method for manufacturing battery assembly 400 is described in detail.

[0073] Figure 9This is a perspective view before the sensing components are mounted on the battery cell stack. Figure 10 This is a schematic diagram of a battery cell being inserted into the tab groove of the busbar support. Figures 11 to 13 This is a schematic diagram illustrating the process of moving a sensing component to the opposite side of a third direction and mounting it on a battery cell stack. Figure 14 A flowchart illustrating a method for manufacturing battery components is provided.

[0074] Reference Figures 9 to 14 Used to manufacture battery module 400 (see Figure 3 The method may include cell stacking operation S10, board stacking operation S20, and sensing component assembly operation S30.

[0075] The cell stacking operation S10 can be stacking battery cells 420 extending along the first direction ("X direction" or the direction opposite to the "X direction") in a second direction perpendicular to the first direction ("Y" direction or the direction opposite to the "Y" direction). Figure 4 ) operation.

[0076] When battery cells 420 are stacked in cell stacking operation S10, surface pressure member 430 and cooling plate can be stacked together between battery cells 420.

[0077] The board stacking operation S20 can be an operation that places the side end plate 500 on opposite sides of the battery cell 420 in a second direction after the cell stacking operation S10.

[0078] Figure 9 The battery cell stack 410 shown can be in a state where cell stacking operation S10 and board stacking operation S20 have been performed.

[0079] The sensing component assembly operation S30 can be an operation that assembles the sensing component 600 and the side plate 500 by assembling the sensing component 600 upward on the third side of the battery cell 420 after the board stacking operation S20.

[0080] In the sensing component assembly operation S30, the sensing component 600 assembled in the side end plate 500 can be in a state where the sensing plate 610, wire 620, bus 630 and temperature sensor 640 are attached to the sensing support frame 700.

[0081] On the third-direction side of the battery cell stack 410, the sensing component 600, to which the sensing plate 610, wires 620, bus 630, and temperature sensor 640 are attached, can move toward the circumferential region of the battery cell stack 410 toward the opposite side of the third-direction (opposite to the "Z" direction).

[0082] When the sensing component 600 moves toward the opposite side of the third direction (the direction opposite to the "Z" direction), the electrode tabs 421 of the battery cell 420 can be inserted along the tab grooves 732 provided between the busbar supports 730.

[0083] The electrode tabs 421 of a pair of adjacent battery cells 420 can be connected to each other on opposite sides in a first direction. Furthermore, the connected electrode tabs 421 can overlap each other on surfaces facing opposite sides in the first direction.

[0084] Therefore, for ease of manufacturing, the tab groove 732 can be moved upward in a third direction, so that it is inserted into a region extending in the first direction, in addition to the region where the electrode tabs 421 are connected to each other. Thus, with the tab groove 732 having a shape extending along a third direction, the manufacturing process can be simplified when the sensing component 600 is mounted as a component on the battery cell stack 410.

[0085] As described above, when the tab groove 732 moves along the electrode tab 421 to the opposite side of the third direction (opposite to the "Z" direction), the guide boss 740 can interfere with the side end plate 500, and the side support portion 720 can be simultaneously inserted into the mounting groove 520, such as Figure 7 As shown in the image.

[0086] In some implementations, a separate manufacturing process can be omitted because a separate bus or wire configuration may not be provided in the sensing component 600. Furthermore, since the manufacturing of the battery assembly 400 is completed once the sensing component 600 is moved along a third direction and inserted into the side end plate 500, it facilitates CTP (Continuous Packaging) housing in the battery pack 100 (see...). Figure 1 The manufacturing process of battery component 400 in the battery module can improve productivity.

[0087] According to this technology, the sensing component can be mounted on the battery assembly while the wire is attached to it. Therefore, the manufacturing process of the sensing component and the battery assembly including the sensing component can be automated, thereby improving productivity.

[0088] Furthermore, according to the present invention, when the sensing component is installed, the position of the sensing component is guided by the side end plate, thereby automating the battery assembly manufacturing process and thus improving productivity.

[0089] In addition, various effects that can be directly or indirectly identified through this document can be provided.

[0090] The above description is a simple exemplary description of the technical spirit of the present invention. Those skilled in the art can make various corrections and modifications without departing from the essential characteristics of the present invention.

[0091] Therefore, the embodiments disclosed in this invention are not intended to limit the technical spirit of the invention, but rather to describe it. The scope of the technical spirit of the invention is not limited by the embodiments. The scope of protection of this invention should be interpreted by the appended claims, and all technical spirit within the equivalent scope should be interpreted as being included within the scope of this invention.

Claims

1. A battery assembly, comprising: A battery cell stack comprising a plurality of battery cells extending along a first direction and arranged in a second direction transverse to the first direction; Side end plate, which is disposed on the side of the battery cell stack in the second direction and faces multiple battery cells; as well as A sensing assembly that covers a region of the side surface of the battery cell stack in a first direction and faces multiple battery cells, the sensing assembly including a sensing plate and a sensing support frame supporting the sensing plate. The sensing support frame includes: A plate support portion that supports the sensing plate and extends from the side of the battery cell stack along a second direction. A side support portion, which extends from the end of the plate support portion along a first direction and is supported by a side end plate, and A guide boss protrudes from the end of the plate support in the second direction and is positioned above the side end plate.

2. The battery assembly according to claim 1, wherein, The guide boss includes: A first stopping region, which extends along a first direction; and The second stop region extends from the first stop region along a third direction transverse to the first and second directions.

3. The battery assembly according to claim 2, wherein, The first stop area and the second stop area are in contact with the end plate.

4. The battery assembly according to claim 2, wherein, The side end plate includes: A first contact surface, which faces one side of the first stop region in a first direction and contacts one end of the first stop region; and The second contact surface faces the second stop area on the third-direction upward side and contacts one end of the second stop area.

5. The battery assembly according to claim 4, wherein, The side end plate defines a recessed region between the first contact surface and the second contact surface, the recessed region being recessed in a direction away from the guide boss.

6. The battery assembly according to claim 1, wherein, The sensing component further includes: Busbar, which is electrically connected to multiple battery cells. The sensing support frame includes multiple busbar support portions, which support the busbars and extend from the plate support portions along a third direction transverse to the first and second directions. Multiple busbar supports are spaced apart from each other in the second direction, thereby defining multiple tab grooves extending in the third direction.

7. The battery assembly according to claim 6, wherein, Each of the plurality of busbar supports includes a protrusion disposed at one end of the busbar support in a third direction, protruding in a first direction and supporting the busbar.

8. The battery assembly according to claim 1, wherein, The side end plate is defined as recessed in the second direction and accommodates a mounting groove for the side support.

9. The battery assembly according to claim 8, wherein, The placement slot includes: The first resettlement area extends along the first direction; The second resettlement area extends from the first end of the first resettlement area along a third direction transverse to the first and second directions; A third resettlement area extends from the second end of the first resettlement area in a third direction; and The fourth resettlement area extends from the third resettlement area along the first direction.

10. The battery assembly according to claim 9, wherein, The side support portion includes: A first side region extends along a first direction and is inserted into the first placement region; The second side region extends from the first end of the first side region in a third direction and is inserted into the second placement region; A third side region, which extends from the second end of the first side region in a third direction and inserts into the third placement region; and A fourth side region that extends from the third side region along a first direction and is inserted into the fourth placement region.

11. The battery assembly according to claim 9, wherein, The side end plate includes: An edge cover is provided on the third-side upward side of the first placement area and a support side support portion.

12. The battery assembly according to claim 11, wherein, The side end plate further includes: A fixing clamp protrudes from the edge cover toward the first placement area and is disposed between the second placement area and the third placement area, the fixing clamp being configured as a fixing side support.

13. The battery assembly according to claim 8, wherein, The placement groove extends along a first direction. The side support extends along the first direction and is inserted into the mounting groove.

14. The battery assembly according to claim 1, wherein, The sensing component further includes wires electrically connected to the sensing board. The wire is disposed on the surface of the side support and extends along the side support in a first direction.

15. A sensing component, comprising: Sensing board; Busbar; as well as A sensing support frame that supports the busbar and the sensing plate. The sensing support frame includes: The side support extends along the first direction. A plate support portion extends from the side support portion along a second direction transverse to the first direction, wherein the sensing plate is attached to the plate support portion, and Multiple busbar supports are provided, with a busbar attached to the multiple busbar supports. The multiple busbar supports extend from the plate support along a third direction transverse to the first and second directions and are spaced apart from each other in the second direction.

16. The sensing component of claim 15, wherein, The sensing support frame further includes: A guide boss protrudes from the plate support portion to the outer side of the sensing support frame in the second direction. The guide boss includes: A first stopping region, which extends along a first direction; and The second stop region extends from the first stop region in a third direction.

17. The sensing component of claim 15, wherein, The side support portion includes: A first lateral region, which extends along a first direction; The second side region extends from the first end of the first side region in a third direction; A third side region, which extends from the second end of the first side region in a third direction; and A fourth side region that extends from the third side region along a first direction.

18. The sensing component of claim 15, wherein, Each of the plurality of busbar supports includes a protrusion disposed at one end of the busbar support in a third direction, protruding in a first direction and supporting the busbar.

19. The sensing assembly of claim 15, further comprising wires electrically connected to the sensing board, in, The wire is disposed on the surface of the side support and extends along the side support in a first direction.

20. A method for manufacturing a battery assembly, the method comprising: Multiple battery cells are stacked along a first direction, and the multiple battery cells are stacked in a second direction that is transverse to the first direction. A pair of side end plates are provided on opposite sides of multiple battery cells, and the pair of side end plates face the multiple battery cells in a second direction; as well as Assemble the sensing component upwards in a third direction transverse to the first and second directions to assemble the sensing component and a pair of side end plates.

Images