splicing support and energy storage equipment

Abstract

This application provides a splicing bracket and an energy storage device. The splicing bracket includes multiple bracket units, each bracket unit being configured to constrain at least one battery cell. Each bracket unit has at least a splicing tongue and / or a splicing slot. The splicing tongue of one bracket unit is detachably embedded into the splicing slot of another bracket unit, so that each bracket unit connects to at least one other bracket unit. Furthermore, each bracket unit is adhesively bonded to at least one adjacent bracket unit at its joint. The splicing bracket and energy storage device provided by this application can adapt to the fixing requirements of different numbers of battery cells.

Description

Technical Field

[0001] This application relates to the field of mobile energy storage technology, and in particular to a splicing bracket and an energy storage device. Background Technology

[0002] When energy storage devices are assembled into the casing, the battery cells need to be secured with brackets to prevent them from becoming scattered. In related technologies, when developing or manufacturing energy storage devices with different numbers of battery cells, it is necessary to mold and manufacture brackets of different sizes separately, which is costly. Utility Model Content

[0003] In view of this, this application provides a splicing bracket and energy storage device that can adapt to the fixed requirements of different numbers of battery cells.

[0004] One embodiment of this application provides a splicing bracket. The splicing bracket includes a plurality of bracket units, each bracket unit being configured to constrain at least one battery cell. Each bracket unit is provided with at least a splicing tongue and / or a splicing slot. The splicing tongue of one bracket unit is detachably fitted into the splicing slot of another bracket unit, so that each bracket unit connects to at least one other bracket unit. Furthermore, each bracket unit is adhesively bonded to at least one adjacent bracket unit at its joint.

[0005] Different numbers of individual support units are selected and interconnected through the interlocking of splicing tongues and slots to form splicing supports of different sizes. This allows for the adaptive fixing of different numbers of battery cells, facilitating the research and development or manufacturing of energy storage devices with varying cell counts. Furthermore, adhesive is used to bond adjacent support units at their joints, enhancing the structural stability of the splicing supports and preventing them from detaching and failing to stably fix the battery cells, thus meeting the requirements for fixing different numbers of battery cells.

[0006] In some embodiments of this application, at least one of the two adjacent support units bonded together has an adhesive groove on its edge.

[0007] The adhesive reservoir can hold the adhesive for bonding the bracket units. This helps to prevent the adhesive from flowing around and accidentally sticking to other items, and it also helps to keep the adhesive at the junction of two adjacent bracket units, thereby improving bonding stability.

[0008] In some embodiments of this application, the support unit includes a substrate and a constraint member. The constraint member is disposed on one side of the substrate. The constraint member is configured to constrain the battery cell. An adhesive groove is provided on the edge of the substrate opposite to the constraint member.

[0009] The adhesive reservoir and the constraint are located on opposite sides of the substrate. The cell assembly and adhesive injection are performed on different sides of the substrate, with minimal interference between them, making it convenient to add adhesive to the adhesive reservoir after cell assembly.

[0010] In some embodiments of this application, in a bracket unit with a splicing tongue, the adhesive groove extends to the outer edge of the splicing tongue. In a bracket unit with a splicing groove, the adhesive groove extends to the inner edge of the splicing groove.

[0011] The joint between the splicing tongue and the splicing groove can also accommodate adhesive, improving the stability of the splicing tongue and the splicing groove, thereby helping to improve the overall structural stability of the splicing bracket.

[0012] In some embodiments of this application, the edges of the support unit are chamfered to form adhesive grooves.

[0013] The aforementioned structure of the adhesive container reduces the difficulty of fabricating it, thus lowering production costs. Furthermore, it allows for a reduction in adhesive usage while increasing the bonding area.

[0014] In some embodiments of this application, multiple support units are defined to be spliced ​​at an intersection point, and the support units around the intersection point are defined as a group of splicing units. In each group of splicing units, the junction of two adjacent support units has an adhesive groove, and each adhesive groove extends to the intersection point and is interconnected at the intersection point.

[0015] Each support unit has an adhesive groove at its joint with any adjacent support unit to facilitate adhesive bonding and improve the overall structural stability of the spliced ​​support unit. Furthermore, the adhesive grooves within each splicing unit are interconnected, and each support unit can be located within different splicing units. This interconnection of adhesive grooves ensures that the adhesive at all points of the spliced ​​support forms a unified whole, further enhancing the overall structural stability of the spliced ​​support.

[0016] In some embodiments of this application, the support unit includes a substrate and a constraint member. The constraint member is disposed on one side of the substrate. The constraint member is configured to constrain the battery cell. A splicing tongue is disposed on the substrate, and the thickness of the splicing tongue is less than the thickness of the substrate.

[0017] By utilizing the thickness difference between the splicing tongue and the substrate, the splicing tongue can be easily broken. By breaking the splicing tongue of the outermost bracket unit in the splicing bracket, it is beneficial to avoid interference between the splicing bracket and other structures of the energy storage device, and to facilitate the assembly of the splicing bracket into the energy storage device.

[0018] In some embodiments of this application, at least some of the bracket units are provided with fixing columns.

[0019] By setting fixed columns, it is easy to fix individual support units, and by fixing some of the individual support units, the entire splicing support can be fixed.

[0020] In some embodiments of this application, the splicing bracket is configured to be assembled to both ends of the battery cell. At least a portion of the bracket units located on opposite sides have fixing posts that abut against each other for support.

[0021] The aforementioned matching structure of the fixing column can, on the one hand, shorten the length of the fixing column of a single bracket unit, making it easier to assemble the battery cell into the bracket unit; on the other hand, it can connect the structures on both sides of the splicing bracket to the battery cell, thereby improving the overall structural strength of the splicing bracket.

[0022] In some embodiments of this application, two fixed columns that abut and support each other are fixedly connected.

[0023] Interconnected fixed columns can improve the overall structural stability of the splicing bracket, facilitate the installation of fixed structures in other locations of the splicing bracket, save more space and reduce the overall size of the splicing bracket, thus improving space utilization.

[0024] One embodiment of this application provides an energy storage device. The energy storage device includes a housing and battery cells. The energy storage device also includes a splicing bracket as described in any of the above embodiments. The battery cells are mounted to the splicing bracket and are integrally mounted within the housing along with the splicing bracket.

[0025] The modular design of the splicing bracket allows for size adjustment to accommodate different numbers of battery cells, enabling its reuse in various solutions and shortening the initial R&D and mold-making cycles. Furthermore, the splicing bracket can be pre-fixed during assembly before being securely fixed with adhesive, facilitating assembly and ensuring good structural stability. Attached Figure Description

[0026] To more clearly illustrate the technical solutions of the embodiments of this application, the accompanying drawings in the embodiments will be briefly described below. It should be understood that the following drawings only show some embodiments of this application and should not be regarded as a limitation on the scope.

[0027] Figure 1 This is a schematic diagram of the structure of an energy storage device provided in an embodiment of this application;

[0028] Figure 2 for Figure 1 Explosion diagram of a medium-sized energy storage device;

[0029] Figure 3 for Figure 2 An exploded view of the splicing bracket and battery cells;

[0030] Figure 4 for Figure 3 Schematic diagram of the structure of the stent unit;

[0031] Figure 5 for Figure 3 A schematic diagram of another form of the stent unit.

[0032] Explanation of main component symbols

[0033] 100 - Splicing bracket; 200 - Energy storage equipment;

[0034] 10-Support unit; 11-Baseboard; 12-Constraint; 13-Fixing post; 20-Intersection point; 30-Splicing unit;

[0035] 111-Splicing tongue; 112-Splicing groove; 113-Glue groove; 121-Constraint cavity; 201-Housing; 202-Battery cell;

[0036] 1111-Connecting arm; 1112-Limiting arm. Detailed Implementation

[0037] The technical solutions of the embodiments of this application will be described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments.

[0038] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used in this specification is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

[0039] The term “and / or” as used herein includes any and all combinations of one or more of the related listed items.

[0040] When energy storage devices are assembled into the casing, the battery cells need to be secured with brackets to prevent them from becoming scattered. In related technologies, when developing or manufacturing energy storage devices with different numbers of battery cells, it is necessary to mold and manufacture brackets of different sizes separately, which is costly.

[0041] Embodiments of this application provide a splicing bracket. The splicing bracket includes multiple bracket units, each bracket unit being configured to constrain at least one battery cell. Each bracket unit has at least a splicing tongue and / or a splicing slot. The splicing tongue of one bracket unit is detachably fitted into the splicing slot of another bracket unit, so that each bracket unit connects to at least one other bracket unit. Furthermore, each bracket unit is adhesively bonded to at least one adjacent bracket unit at its joint.

[0042] Different numbers of individual support units are selected and interconnected through the interlocking of splicing tongues and slots to form splicing supports of different sizes. This allows for the adaptive fixing of different numbers of battery cells, facilitating the research and development or manufacturing of energy storage devices with varying cell counts. Furthermore, adhesive is used to bond adjacent support units at their joints, enhancing the structural stability of the splicing supports and preventing them from detaching and failing to stably fix the battery cells, thus meeting the requirements for fixing different numbers of battery cells.

[0043] The following detailed description of some embodiments of this application is provided in conjunction with the accompanying drawings. Unless otherwise specified, the following embodiments and features can be combined with each other.

[0044] See Figure 1 and Figure 2 One embodiment of this application provides a splicing bracket 100 and an energy storage device 200. The splicing bracket 100 is used to assemble in the energy storage device 200 and constrain and fix the battery cells 202 of the energy storage device 200.

[0045] In some embodiments, the energy storage device 200 has the functions of storing and discharging electricity for use as backup power for homes, production units, outdoor work, outdoor recreation, etc.

[0046] In some embodiments, the energy storage device 200 includes a housing 201 and a battery cell 202. The battery cell 202 is disposed within the housing 201.

[0047] In some embodiments, the energy storage device 200 further includes a power conversion module (not shown). The power conversion module is electrically connected to the battery cell 202 and is used to control the AC / DC conversion of the output current of the battery cell 202. The energy storage device 200 equipped with the power conversion module can be a small portable power supply, a residential energy storage power supply, an industrial or commercial energy storage power supply, or a containerized energy storage power supply, etc.

[0048] In some embodiments, the power conversion module may be omitted. An energy storage device 200 without a power conversion module can be used independently. An energy storage device 200 without a power conversion module typically only outputs DC power. When used independently, an energy storage device 200 without a power conversion module can be used in conjunction with an energy storage device 200 with a power conversion module as a power system providing additional battery capacity.

[0049] See Figure 2 and Figure 3 In some embodiments, the energy storage device 200 also includes a splicing bracket 100. The battery cells 202 are mounted to the splicing bracket 100 and are integrally installed within the housing 201 along with the splicing bracket 100. The modular design of the splicing bracket 100 allows for size adjustment as needed, thus accommodating the fixing requirements of different numbers of battery cells 202. This enables the splicing bracket 100 to be reused in different solutions, shortening the initial R&D cycle and mold-making cycle. Furthermore, the splicing bracket 100 can be pre-fixed during assembly and then stabilized by injection of adhesive, facilitating assembly and providing good structural stability.

[0050] See Figure 3 and Figure 4In some embodiments, the splicing bracket 100 includes a plurality of bracket units 10, each bracket unit 10 being configured to constrain at least one battery cell 202. Each bracket unit 10 is provided with at least a splicing tongue 111 and / or a splicing slot 112. The splicing tongue 111 of one bracket unit 10 is detachably fitted into the splicing slot 112 of another bracket unit 10, so that each bracket unit 10 connects to at least one other bracket unit 10. Furthermore, each bracket unit 10 is adhesively bonded to at least one adjacent bracket unit 10 at its interface.

[0051] Different numbers of bracket units 10 are selected and interconnected through the interlocking of splicing tongues 111 and splicing slots 112 to form splicing brackets 100 of different sizes. This allows for the adaptive fixing of different numbers of battery cells 202, facilitating the research and development or manufacturing of energy storage devices 200 with varying numbers of battery cells 202. Furthermore, adhesive is used to bond adjacent bracket units 10 at their joints, enhancing the structural stability of the assembled splicing brackets 100. This helps prevent the splicing brackets 100 from detaching and failing to stably fix the battery cells 202, thus meeting the fixing requirements for different numbers of battery cells 202.

[0052] See Figure 4 and Figure 5 In some embodiments, each bracket unit 10 is provided with both splicing tongue 111 and splicing groove 112, which can reduce the number of molds and facilitate the reduction of production and preparation costs.

[0053] In some embodiments, the splicing tongue 111 has a connecting arm 1111 and a limiting arm 1112. The limiting arm 1112 is horizontally positioned at one end of the connecting arm 1111. The splicing groove 112 and the splicing tongue 111 are adapted to each other. The splicing tongue 111 is generally T-shaped, which facilitates constraint and limitation in multiple directions to ensure that the two support units 10 are firmly spliced ​​together. In other embodiments, the splicing groove 112 and the splicing tongue 111 are adapted to each other. The splicing tongue 111 can be dovetail-shaped or other shapes, as long as it enables the two support units 10 to be spliced ​​and connected.

[0054] See Figure 3 and Figure 4 In some embodiments, the support unit 10 includes a substrate 11 and a constraint member 12. The constraint member 12 is disposed on one side of the substrate 11. The constraint member 12 is configured to constrain the battery cell 202. A splicing tongue 111 and / or a splicing groove 112 are disposed on the substrate 11. The substrate 11 serves as the basis for splicing the support units 10 together. The splicing of each substrate 11 facilitates the formation of a whole, making it convenient for the support units 10 to be spliced ​​together to form a complete spliced ​​support 100, thereby allowing the constraint members 12 to regularly constrain the multiple battery cells 202 at their respective positions.

[0055] The different substrates 11 can have the same shape and different size, as long as they can be spliced ​​together to form a complete splicing bracket 100. For example, the shape of the substrate 11 can be triangular, quadrilateral, hexagonal, circular or other irregular shape (such as wavy or serrated).

[0056] It is understood that, in some embodiments, by adjusting the positions of the splicing tongue 111 and the splicing groove 112 on the substrate 11, the relative positions of the substrates 11 during splicing can be adjusted. Specifically, the positions of the splicing tongue 111 and the splicing groove 112 can be pre-adjusted during mold design, or the splicing tongue 111 and the splicing groove 112 can be positioned relative to each other to meet the requirements of different splicing positions of the substrates 11.

[0057] In some embodiments, the substrate 11 is provided with studs (not shown) to facilitate fixing the circuit board of the energy storage device 200.

[0058] In some embodiments, the constraint member 12 of a single support unit 10 forms a constraint cavity 121, and one or more battery cells 202 can be inserted into the constraint cavity 121, thereby enabling a single support unit 10 to constrain and fix the battery cells 202. In other embodiments, the constraint members 12 of multiple support units 10 cooperate to form the constraint cavity 121, and one or more battery cells 202 can be inserted into the constraint cavity 121, thereby enabling multiple support units 10 to cooperate to constrain and fix the battery cells 202.

[0059] In some embodiments, the thickness of the splicing tongue 111 is less than the thickness of the substrate 11. Utilizing the thickness difference between the splicing tongue 111 and the substrate 11, it is easy to break the splicing tongue 111. By breaking the splicing tongue 111 of the peripheral support unit 10 in the splicing bracket 100, it is beneficial to avoid interference between the splicing bracket 100 and other structures of the energy storage device 200, and to facilitate the assembly of the splicing bracket 100 into the energy storage device 200.

[0060] In some embodiments, the depth of the splicing groove 112 is less than the thickness of the substrate 11, which helps to limit the depth of the splicing tongue 111 inserted into the splicing groove 112, improves the flatness of the substrate 11 after splicing, and makes it easier to ensure that multiple battery cells 202 are in the same horizontal position when assembled on the splicing bracket 100, so that both ends of each battery cell 202 can be stably fixed.

[0061] In some embodiments, among two adjacent bonded support units 10, at least one support unit 10 has an adhesive groove 113 on its edge. The adhesive groove 113 is provided on the substrate 11 to facilitate the injection of adhesive into the adhesive groove 113.

[0062] The adhesive reservoir 113 can hold the adhesive of the bonding bracket unit 10. On the one hand, it helps to prevent the adhesive from flowing around and accidentally sticking to other items. On the other hand, it helps to keep the adhesive at the junction of two adjacent bracket units 10, so as to improve the bonding stability.

[0063] In some embodiments, a glue-receiving groove 113 is provided on the edge of the substrate 11 opposite to the constraint member 12. The glue-receiving groove 113 and the constraint member 12 are located on opposite sides of the substrate 11, and the assembly and glue-filling operations of the battery cell 202 occur on different sides of the substrate 11, with minimal interference between them, facilitating the application of glue to the glue-receiving groove 113 after the battery cell 202 is assembled. In other embodiments, the glue-receiving groove 113 and the constraint member 12 are located on the same side of the substrate 11, making it easier to conceal the glue.

[0064] In some embodiments, in the bracket unit 10 with splicing tongue 111, the adhesive receiving groove 113 extends to the outer edge of the splicing tongue 111; and / or, in the bracket unit 10 with splicing groove 112, the adhesive receiving groove 113 extends to the inner edge of the splicing groove 112 (not shown). The splicing joint of the splicing tongue 111 and the splicing groove 112 can also accommodate adhesive, improving the stability of the splicing joint of the splicing tongue 111 and the splicing groove 112, thereby helping to improve the overall structural stability of the splicing bracket 100.

[0065] In some embodiments, the edge of the support unit 10 is chamfered to form an adhesive receiving groove 113. The adhesive receiving groove 113, with the above-described structure, reduces the processing difficulty of forming the groove, thus lowering production costs. Furthermore, it allows for a reduction in adhesive usage while increasing the adhesive bonding area. The chamfered surface can be flat or curved. In other embodiments, the adhesive receiving groove 113 can also be a square groove or similar structure.

[0066] It is understood that in some embodiments, when two adjacent support units 10 are bonded together, each of them is provided with an adhesive groove 113 at the point where they meet. The adhesive grooves 113 of the two support units 10 can be joined together and connected to each other, which facilitates adhesive injection and reduces the number of times adhesive is injected.

[0067] In some embodiments, multiple support units 10 are defined to be spliced ​​at an intersection 20, and the support units 10 around the intersection 20 are defined as a group of splicing units 30. In each group of splicing units 30, the joint of two adjacent support units 10 has an adhesive groove 113, and each adhesive groove 113 extends to the intersection 20 and communicates with each other at the intersection 20.

[0068] Each bracket unit 10 has an adhesive groove 113 at the joint with any adjacent bracket unit 10 to facilitate adhesive bonding and improve the overall structural stability of the splicing bracket 100. Furthermore, the adhesive grooves 113 within the splicing unit 30 are interconnected, and each bracket unit 10 can be located within different splicing units 30, ensuring that the adhesive grooves 113 of the splicing bracket 100 are interconnected. This allows the adhesive bonded at various points on the splicing bracket 100 to form a unified whole, further enhancing the overall structural stability of the splicing bracket 100.

[0069] Understandably, in some embodiments, each bracket unit 10 has an adhesive groove 113 around its substrate 11, so that any two bracket units 10 have an adhesive groove 113 at their joint, thereby improving the stability of the bonding.

[0070] See Figure 3 and Figure 5 In some embodiments, at least some of the support units 10 are provided with fixing posts 13. The fixing posts 13 may be provided on the base plate 11; one or more fixing posts 13 are provided on a base plate 11. By providing fixing posts 13, it is convenient to fix the support units 10, and the entire splicing support 100 can be fixed by fixing some of the support units 10.

[0071] It is understood that in some embodiments, the fixing post 13 and the constraint member 12 are located on the same side of the substrate 11, so that the center of gravity of the fixing post 13 is located on the side where the battery cell 202 is assembled, which facilitates the splicing bracket 100 to stably fix the battery cell 202.

[0072] In some embodiments, the splicing bracket 100 is configured to be assembled to both ends of the battery cell 202. At least some of the fixing posts 13 of the bracket units 10 located on opposite sides abut against each other for support. The size and shape of the fixing posts 13 of different bracket units 10 can be different or the same. This mating structure of the fixing posts 13 can, on the one hand, shorten the length of the fixing posts 13 of a single bracket unit 10, facilitating the assembly of the battery cell 202 to the constraint members 12 of the bracket unit 10; on the other hand, it can connect the structures of the splicing bracket 100 located on both sides of the battery cell 202, improving the overall structural strength of the splicing bracket 100. In other embodiments, the fixing post 13 of one bracket unit 10 may not mate with the fixing post 13 of another bracket unit 10, but may be used for fixing to other structures of the energy storage device 200.

[0073] It is understood that in some embodiments, one of the two mutually abutting and supporting fixed columns 13 is provided with a boss and the other with a groove, which facilitates the docking and cooperation of the two fixed columns 13 and also improves the support stability of the two fixed columns 13.

[0074] In some embodiments, two fixed columns 13 that abut and support each other are fixedly connected. The interconnection of the fixed columns 13 can improve the overall structural stability of the splicing bracket 100, facilitate the setting of fixed structures in other positions of the splicing bracket 100, save more space and reduce the overall structure of the splicing bracket 100, and help improve space utilization.

[0075] Understandably, in some embodiments, the two fixedly connected fixing posts 13 are fixed by external bolts. One of the fixing posts 13 has a cavity to facilitate the placement of the external bolts. The bolts are tightened in a secure manner, resulting in good overall structural strength of the splicing bracket 100. In other embodiments, the two fixedly connected fixing posts 13 are fixed by snap-fit. One fixing post 13 has a hook or block, and the other fixing post 13 has a slot. The snap-fit ​​method facilitates installation and removal, making it convenient to install and remove the battery cells 202 from the splicing bracket 100.

[0076] In some embodiments, some of the bracket units 10 of the splicing bracket 100 are not provided with fixing posts 13, which reduces the steps of assembling the splicing bracket 100 and can reduce the weight of the splicing bracket 100.

[0077] See Figures 2 to 4 In some embodiments, the splicing bracket 100 operates as follows:

[0078] Arrange the bracket units 10 according to the required number and layout of the battery cells 202, and then assemble the bracket units 10 together using splicing tongues 111 and splicing slots 112. Apply adhesive to the adhesive grooves 113 of the bracket units 10, and then assemble the battery cells 202 onto the constraint members 12. Assemble the other side of the battery cell 202 onto another bracket unit 10, and securely connect the fixing posts 13 of the two bracket units 10, completing the assembly of the battery cell 202 and the splicing bracket 100. Finally, assemble the assembled splicing bracket 100 and the battery cells 202 together into the housing 201 of the energy storage device 200.

[0079] Furthermore, those skilled in the art should recognize that the above embodiments are merely illustrative of this application and are not intended to limit this application. Any appropriate changes and variations made to the above embodiments within the essential spirit and scope of this application fall within the scope of this application's disclosure.

Claims

1. A splicing support, characterized in that, The splicing bracket includes multiple bracket units, each bracket unit is configured to constrain at least one battery cell, each bracket unit is provided with at least a splicing tongue and / or a splicing slot, the splicing tongue of one bracket unit is detachably embedded into the splicing slot of another bracket unit, so that each bracket unit connects to at least one bracket unit, and each bracket unit is glued to at least one joint of an adjacent bracket unit.

2. The splicing support of claim 1, wherein In the two adjacent bracket units that are bonded together, at least one of the bracket units has an adhesive groove on its edge.

3. The splicing support of claim 2, wherein The bracket unit includes a substrate and a constraint member. The constraint member is disposed on one side of the substrate and is configured to constrain the battery cell. The substrate has the adhesive groove on the side edge opposite to the constraint member.

4. The splicing support of claim 2, wherein In the support unit provided with the splicing tongue, the adhesive groove extends to the outer edge of the splicing tongue; and / or In the bracket unit provided with the splicing groove, the adhesive groove extends to the inner edge of the splicing groove.

5. The splicing support of claim 2, wherein The edges of the support unit are beveled to form the adhesive groove.

6. The splicing support of claim 2, wherein Multiple support units are defined to be spliced ​​at an intersection point, and the support units surrounding the intersection point are defined as a group of splicing units. In each group of splicing units, the joint of two adjacent bracket units has the adhesive groove, and each adhesive groove extends to the intersection point and is interconnected at the intersection point.

7. The splicing support of claim 1, wherein The bracket unit includes a substrate and a constraint member. The constraint member is disposed on one side of the substrate and is configured to constrain the battery cell. The splicing tongue is disposed on the substrate, and the thickness of the splicing tongue is less than the thickness of the substrate.

8. The splicing support of any one of claims 1 to 7, characterized in that, At least some of the bracket units are provided with fixing columns.

9. The splicing support of claim 8, wherein, The splicing bracket is configured to be assembled to both ends of the battery cell, with the fixing posts of at least a portion of the bracket unit located on opposite sides abutting against each other for support.

10. The splicing support of claim 9, wherein The two fixed columns that abut and support each other are fixedly connected.

11. An energy storage device comprising a housing and an electric cell, characterized in that The energy storage device further includes a splicing bracket as described in any one of claims 1 to 10, wherein the battery cell is installed on the splicing bracket and is integrally installed within the housing along with the splicing bracket.

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