Battery, power utilization device and assembly method of battery

Abstract

The invention belongs to the technical field of batteries, and provides a battery, a power utilization device and an assembly method of the battery, the battery comprises at least one battery module, and each battery module comprises a battery monomer, a heat exchange piece and a bonding layer; the heat exchange piece is provided with a heat exchange surface, and a channel is formed in the heat exchange piece; and the bonding layer is arranged between the outer surface of each battery monomer and the heat exchange surface, so that each battery monomer is bonded with the heat exchange surface. The invention aims to shorten the curing time of curing the binder into the bonding layer and improve the assembly efficiency of the battery.

Description

Technical Field

[0001] This application relates to the field of battery technology, and more particularly to a battery, an electrical device, and a method for assembling the battery. Background Technology

[0002] A battery is a modular unit formed by combining multiple individual battery cells. A battery typically includes a casing, individual battery cells, and multiple individual battery cells connected in series and parallel to form a battery module. Multiple battery modules are connected in series and parallel and arranged within the limited space of the casing.

[0003] During the battery module manufacturing process, individual battery cells need to be connected to heat exchange components, such as cooling plates, using adhesives. The adhesives need to be cured to form an adhesive layer, ensuring a firm connection between the battery cells and the heat exchange components.

[0004] In related technologies, the curing time of the adhesive is long, which leads to a long molding time for the battery module and low battery production efficiency. Summary of the Invention

[0005] The purpose of this application is to provide a battery, an electrical device, and a method for assembling the battery, which aims to solve the technical problem of low battery production efficiency.

[0006] In a first aspect, this application provides a battery, including at least one battery module, each of the battery modules comprising:

[0007] Multiple battery cells are provided.

[0008] A heat exchanger having a heat exchange surface and channels formed thereon;

[0009] An adhesive layer is disposed between the outer surface of each battery cell and the heat exchange surface to bond each battery cell to the heat exchange surface.

[0010] In this example, by opening channels on the heat exchanger, when the battery cell is assembled with the heat exchanger through the adhesive layer, a fluid with a preset temperature can be introduced into the channels on the heat exchanger. The fluid transfers heat to the adhesive or absorbs heat from the adhesive, thereby accelerating the curing of the adhesive and shortening the curing time of the adhesive to form the adhesive layer. This is beneficial to improving the assembly and molding efficiency of the battery module, and thus improving the production efficiency of the battery.

[0011] In one embodiment, the outer surface of the battery cell includes a bottom surface and a side surface, and the adhesive layer is disposed between the bottom surface and the heat exchange surface, or the adhesive layer is disposed between the side surface and the heat exchange surface.

[0012] In this example, when the heat exchanger is assembled with the battery housing, the heat exchanger can be set to fit against the bottom of the housing or set vertically to the bottom of the housing, so that the bottom or side of the battery cell abuts against the heat exchange surface of the heat exchanger. This realizes different assembly methods of the battery cell, such as vertical or horizontal, making the battery structure more diversified.

[0013] In one embodiment, the battery module further includes a tube that is inserted into the channel.

[0014] In this example, the use of pipes to transport fluid can protect the heat exchange components and help reduce subsequent maintenance costs.

[0015] In one embodiment, the channel is formed within the heat exchanger.

[0016] In this example, the channel is formed inside the heat exchanger. Fluid can be directly introduced into the channel, or a pipe can be inserted into the channel to transport fluid, which makes the heat exchanger more widely applicable.

[0017] In one embodiment, the channel is a through-slot structure formed on and through the heat exchange surface.

[0018] In this example, the channel is located on the heat exchange surface, which makes the channel easier to manufacture. It only requires machining a groove on the heat exchange surface of the heat exchange component, which helps to reduce manufacturing costs.

[0019] In one embodiment, the adhesive layer is a heat-curable adhesive layer; or

[0020] The adhesive layer is an adhesive layer that can be pre-cooled and cured.

[0021] In this example, the adhesive layer is prepared using a material that is preheated or precooled for curing. This allows the adhesive layer to be heated or cooled by introducing a fluid with a preset temperature into the channel of the heat exchanger, thereby improving the curing efficiency of the adhesive layer, shortening the curing time of the adhesive layer, and thus improving the molding time of the battery module and the production efficiency of the battery.

[0022] In one embodiment, a first groove structure is formed on the heat exchanger, the first groove structure being opened to avoid the heat exchange surface.

[0023] In this example, the first slot structure is used to interlock with the beam structure in the battery housing, so that the heat exchanger can be inserted into the structural beam, achieving accurate positioning of the heat exchanger and the structural beam. The interlocking method can also reduce the shaking of the battery module relative to the housing in the direction perpendicular to the interlocking.

[0024] In one embodiment, the adhesive layer includes a first sub-adhesive layer and a second sub-adhesive layer; the heat exchange surface includes a first sub-heat exchange surface and a second sub-heat exchange surface arranged opposite to each other; the plurality of battery cells are divided into a first part and a second part; the bottom surface of each battery cell in the first part is connected to the first sub-heat exchange surface through the first sub-adhesive layer; and the bottom surface of each battery cell in the second part is connected to the second sub-heat exchange surface through the second sub-adhesive layer.

[0025] In this example, by forming a first sub-heat exchange surface and a second sub-heat exchange surface on the heat exchange surface, the heat exchange component can connect more battery cells for heat exchange, which helps to save production costs.

[0026] In one embodiment, the adhesive layer includes a first sub-adhesive layer and a second sub-adhesive layer; the heat exchange surface includes a first sub-heat exchange surface and a second sub-heat exchange surface arranged opposite to each other; the plurality of battery cells are divided into a first part and a second part; the bottom surface of each battery cell in the first part is connected to the first sub-heat exchange surface through the first sub-adhesive layer; the bottom surface of each battery cell in the second part is connected to the second sub-heat exchange surface through the second sub-adhesive layer; the first groove structure avoids the first sub-heat exchange surface and the second sub-heat exchange surface.

[0027] In this example, by forming a first sub-heat exchange surface and a second sub-heat exchange surface on the heat exchange surface, the heat exchange component can connect more battery cells for heat exchange, which helps to save production costs. In addition, by setting the first groove structure, it is easier to support the extruded adhesive layer with the help of external support components.

[0028] In one embodiment, the heat exchanger includes a first heat exchange portion, a second heat exchange portion, and a connecting portion connecting the first heat exchange portion and the second heat exchange portion. The channel is formed on both the first heat exchange portion and the second heat exchange portion. The first heat exchange portion, the second heat exchange portion, and the connecting portion together form the first groove structure. The first sub-heat exchange surface is located on the side of the first heat exchange portion opposite to the first groove structure, and the second sub-heat exchange surface is located on the side of the second heat exchange portion opposite to the first groove structure. The channel is formed on both the first heat exchange portion and the second heat exchange portion.

[0029] In this example, the first heat exchange part and the second heat exchange part are connected by a connecting part to form a first heat exchange component, and can be used to form a first groove structure. The heat exchange component can be an integrally formed structure or an assembled structure, which makes the preparation method of the heat exchange component more diverse.

[0030] In one embodiment, the first heat exchange section, the second heat exchange section, and the connecting section are all plate-shaped, with the plate surface of the first heat exchange section facing away from the second heat exchange section forming the first sub-heat exchange surface, and the plate surface of the second heat exchange section facing away from the first heat exchange section forming the second sub-heat exchange surface.

[0031] In this example, the surface of the plate can form a heat exchange surface. The plate-shaped first heat exchange part, second heat exchange part and connecting part are easier to prepare and process, and it is also beneficial to reduce the overall weight of the heat exchange component.

[0032] In one embodiment, the battery includes a structural component and a plurality of battery modules arranged in an array, wherein the heat exchange components in any two adjacent battery modules are connected through the structural component.

[0033] In this example, the structural component is used to connect two adjacent battery modules, so that the two adjacent battery modules can form a whole battery module with a larger capacity and volume.

[0034] In one embodiment, the structural member is a rod-shaped structural member, and both ends of the structural member are connected to two adjacent heat exchange members.

[0035] In this example, the structural component is a rod-shaped component, which is easy to manufacture and install, and helps to save manufacturing costs.

[0036] In one embodiment, the battery further includes a housing with an accommodating space in which the battery module is housed; the housing has a bottom wall with a structural beam formed thereon, the structural beam being inserted into the first slot structure.

[0037] In this example, by setting up a structural beam, the heat exchange component can be inserted and connected to the structural beam through the first slot structure, thereby realizing the positioning and connection of the battery module relative to the box, making the assembly position of the battery module relative to the box more accurate and stable.

[0038] In one embodiment, the battery further includes a locking assembly that connects the heat exchanger and the structural beam.

[0039] In this example, by setting up locking components, the locking components are connected to the heat exchange components and the structural beams respectively, so that the battery module can be fixedly connected to the battery box. In the event of vibration or shaking, the position of the battery module relative to the box is more stable and less prone to impact noise. In addition, by setting up locking components, the connection strength between the battery module and the box is enhanced, which can increase the battery module's ability to withstand the expansion force of the battery cells when they expand.

[0040] In one embodiment, the locking assembly is threadedly connected to both the heat exchanger and the structural beam.

[0041] In this example, the locking assembly uses a threaded connection to connect the heat exchanger to the structural beam, making it easier to install and disassemble the heat exchanger and the structural beam, and facilitating later maintenance.

[0042] In one embodiment, the housing includes a first housing section and a second housing section, the first housing section and the second housing section are connected and together enclose the accommodating space; the structural beam is connected to the second housing section and located within the accommodating space, and the locking assembly connects the heat exchanger, the structural beam and the first housing section.

[0043] In this example, the first and second housing sections of the enclosure are securely connected, which enhances the overall stability of the enclosure. At the same time, it also ensures that the heat exchange component is firmly connected to the second housing section, making the position of the battery module relative to the enclosure more stable and less prone to impact noise.

[0044] In one embodiment, a second groove structure is formed on one side of the first housing portion facing away from the accommodating space. The second groove structure is disposed opposite to the heat exchanger. The locking assembly has a first locking end and a second locking end. The first locking end connects the structural beam and the heat exchanger, and the second locking end connects the first housing portion and extends outward into the groove space of the second groove structure.

[0045] In this example, the second locking end of the locking assembly connected to the first housing portion is not exposed on the surface of the first housing portion. The second groove structure can hide the second locking end of the locking assembly, thereby making it less likely for the housing to have an outward protrusion, reducing interference with external components, and enhancing the aesthetics of the housing.

[0046] Secondly, this application provides an electrical device that includes the battery described in the above embodiments, the battery being used to provide electrical energy.

[0047] Thirdly, this application provides a battery assembly method for assembling the battery in the above embodiments, the assembly method comprising:

[0048] The battery module is prefabricated so that each battery cell is connected to the heat exchanger using an adhesive.

[0049] The curing process involves introducing fluid into the channel, the fluid being used to heat or cool the adhesive to cure it and form the adhesive layer.

[0050] Assembly involves assembling the cured battery module with the housing to form the battery.

[0051] In one embodiment, after the assembly step, the battery is connected to an external testing device for power supply, and coolant is introduced into the channel.

[0052] In this example, the heat exchanger in the battery can be used to cure the adhesive to form an adhesive layer. By passing preheated or precooled fluid into the channels of the heat exchanger, heat is exchanged on the adhesive, thereby increasing the curing rate of the adhesive, shortening the curing time, and thus improving the production efficiency of the battery. On the other hand, the heat exchanger can be used to cool and exchange heat on the battery cells, thereby controlling the operating temperature of the battery, reducing the risk of battery overheating, and thus protecting the performance of the battery.

[0053] The above description is only an overview of the technical solution of this application. In order to better understand the technical means of this application and to implement it in accordance with the contents of the specification, and to make the above and other objects, features and advantages of this application more obvious and understandable, the following are specific embodiments of this application. Attached Figure Description

[0054] To more clearly illustrate the technical solutions of the embodiments of this application, the drawings used in the description of the embodiments of this application or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0055] Figure 1 This application provides structural schematic diagrams of vehicles for some embodiments;

[0056] Figure 2 Schematic diagram of the exploded structure of a battery provided in some embodiments of this application Figure 1 ;

[0057] Figure 3 This is a schematic diagram of the structure of a battery module in some embodiments of the present application. Figure 1 ;

[0058] Figure 4 This is an exploded view of a battery module in one of the embodiments of the present application. Figure 1 ;

[0059] Figure 5 This is a schematic diagram of the structure of a battery module in some embodiments of the present application. Figure 2 ;

[0060] Figure 6 This is a schematic diagram of the end face structure of a heat exchanger in a battery module of some embodiments of the present application. Figure 1 ;

[0061] Figure 7 This is a schematic diagram of the end face structure of a heat exchanger in a battery module of some embodiments of the present application. Figure 2 ;

[0062] Figure 8 This is an exploded view of a battery module in one of the embodiments of the present application. Figure 2 ;

[0063] Figure 9 This is a schematic diagram of the structure of a battery module in some embodiments of the present application. Figure 3 ;

[0064] Figure 10 for Figure 9 A schematic diagram of the decomposed structure;

[0065] Figure 11 for Figure 8 A schematic diagram of the end face structure of the heat exchanger in the diagram;

[0066] Figure 12 This is an exploded view of a battery module in one of the embodiments of the present application. Figure 3 ;

[0067] Figure 13 for Figure 12 A schematic diagram of the heat exchanger structure in the diagram;

[0068] Figure 14 for Figure 13 A magnified view of position A in the middle;

[0069] Figure 15 Schematic diagram of the exploded structure of a battery provided in some embodiments of this application Figure 2 ;

[0070] Figure 16 Schematic diagram of the exploded structure of a battery provided in some embodiments of this application Figure 3 ;

[0071] Figure 17 Schematic diagram of the exploded structure of a battery provided in some embodiments of this application Figure 4 ;

[0072] Figure 18 This is a structural schematic diagram of the second housing portion of the battery housing provided in some embodiments of this application.

[0073] Explanation of reference numerals in the attached figures:

[0074] 1000, Vehicle; 1100, Battery; 1110, Housing; 1111, First Housing Section; 11111, Second Tank Structure; 11112, Third Connecting Hole; 1112, Second Housing Section; 1113, Accommodation Space; 1114, Structural Beam; 11141, Second Connecting Hole; 1120, Battery Module; 1121, Battery Cell; 11211, Bottom Surface; 11212, Side Surface; 1122, Heat Exchanger; 11221, Channel; 1122 2. Heat exchange surface; 112221. First sub-heat exchange surface; 112222. Second sub-heat exchange surface; 11223. First tank structure; 11224. First heat exchange section; 11225. Second heat exchange section; 11226. Connecting part; 11227. First connecting hole; 1123. Adhesive layer; 11231. First sub-adhesive layer; 11232. Second sub-adhesive layer; 1124. Pipe fitting; 1125. Structural component; 1200. Controller; 1300. Motor. Detailed Implementation

[0075] The embodiments of the technical solution of this application will now be described in detail with reference to the accompanying drawings. These embodiments are only used to more clearly illustrate the technical solution of this application and are therefore merely examples, and should not be used to limit the scope of protection of this application.

[0076] 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 to which this application pertains; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the application; the terms “comprising” and “having”, and any variations thereof, in the specification, claims, and foregoing description of the drawings are intended to cover non-exclusive inclusion.

[0077] In the description of the embodiments of this application, technical terms such as "first" and "second" are used only to distinguish different objects and should not be construed as indicating or implying relative importance or implicitly specifying the number, specific order, or primary and secondary relationship of the indicated technical features. In the description of the embodiments of this application, "multiple" means two or more, unless otherwise explicitly defined.

[0078] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0079] In the description of the embodiments in this application, the term "and / or" is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A existing alone, A and B existing simultaneously, and B existing alone. Additionally, the character " / " in this document generally indicates that the preceding and following related objects have an "or" relationship.

[0080] In the description of the embodiments of this application, the term "multiple" refers to two or more (including two), similarly, "multiple sets" refers to two or more (including two sets), and "multiple pieces" refers to two or more (including two pieces).

[0081] In the description of the embodiments of this application, the technical terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the embodiments of this application and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this application.

[0082] In the description of the embodiments of this application, unless otherwise expressly specified and limited, technical terms such as "installation," "connection," "joining," and "fixing" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. For those skilled in the art, the specific meaning of the above terms in the embodiments of this application can be understood according to the specific circumstances.

[0083] A battery is a modular unit formed by combining multiple individual battery cells. A battery typically includes a casing, individual battery cells, and multiple individual battery cells connected in series and parallel to form a battery module. Multiple battery modules are connected in series and parallel and arranged within the limited space of the casing.

[0084] During the battery module manufacturing process, individual battery cells need to be connected to heat exchange components, such as cooling plates, using adhesives. The adhesives need to be cured to form an adhesive layer, ensuring a firm connection between the battery cells and the heat exchange components.

[0085] In related technologies, the assembly of battery cells and heat exchange components is generally carried out in a normal temperature environment. The adhesive requires a long curing time in a normal temperature environment. The battery module can only be assembled with the housing after the adhesive has completely cured and formed an adhesive layer. This results in a long battery module molding time and low battery production efficiency.

[0086] Therefore, this application provides a battery 1100 that can accelerate the curing of the adhesive, thereby shortening the curing time of the adhesive to form an adhesive layer, improving the molding efficiency of the battery module, and thus improving the production efficiency of the battery.

[0087] Specifically, refer to Figure 2 and Figure 3 As shown in the illustration, this application provides a battery 1100, which includes a battery cell 1121. Multiple battery cells 1121 are electrically connected and combined to form a battery module 1120. The battery 1100 disclosed in this application can be used in electrical devices that use the battery 1100 as a power source or in various energy storage systems that use the battery 1100 as an energy storage element. Electrical devices can be, but are not limited to, mobile phones, tablets, laptops, electric toys, power tools, electric vehicles, electric cars, ships, spacecraft, etc. Electric toys can include stationary or mobile electric toys, such as game consoles, electric car toys, electric ship toys, and electric airplane toys, etc. Spacecraft can include airplanes, rockets, space shuttles, and spacecraft, etc.

[0088] For ease of explanation, the following embodiments will be described using a vehicle 1000 as an example of an electrical device according to an embodiment of this application.

[0089] Please refer to Figure 1 , Figure 1 This is a schematic diagram of the structure of a vehicle 1000 provided in some embodiments of this application. The vehicle 1000 can be a gasoline-powered vehicle, a natural gas-powered vehicle, or a new energy vehicle. The new energy vehicle can be a pure electric vehicle, a hybrid electric vehicle, or a range-extended electric vehicle, etc. A battery 1100 is disposed inside the vehicle 1000, and the battery 1100 can be located at the bottom, front, or rear of the vehicle 1000. The battery 1100 can be used to power the vehicle 1000; for example, the battery 1100 can serve as the operating power source for the vehicle 1000. The vehicle 1000 may also include a controller 1200 and a motor 1300. The controller 1200 is used to control the battery 1100 to supply power to the motor 1300, for example, to meet the power needs of the vehicle 1000 during startup, navigation, and driving.

[0090] In some embodiments of this application, the battery 1100 can not only serve as the operating power source for the vehicle 1000, but also as the driving power source for the vehicle 1000, replacing or partially replacing fuel or natural gas to provide driving power for the vehicle 1000.

[0091] Please refer to Figure 2 , Figure 2This is an exploded view of a battery 1100 provided in some embodiments of this application. The battery 1100 includes a housing 1110 and a battery module 1120, which is housed within the housing 1110. The battery module 1120 includes individual battery cells 1121. The housing 1110 provides a accommodating space 1113 for the battery module 1120 or the individual battery cells 1121. The housing 1110 can adopt various structures. In some embodiments, the housing 1110 may include a first housing portion 1111 and a second housing portion 1112, which overlap each other. The first housing portion 1111 and the second housing portion 1112 together define the accommodating space 1113 for accommodating the battery module 1120 or the individual battery cells 1121. The second housing portion 1112 can be a hollow structure with one end open, and the first housing portion 1111 can be a plate-like structure. The first housing portion 1111 covers the open side of the second housing portion 1112, so that the first housing portion 1111 and the second housing portion 1112 together define the accommodating space 1113. Alternatively, both the first housing portion 1111 and the second housing portion 1112 can be hollow structures with one side open, and the open side of the first housing portion 1111 covers the open side of the second housing portion 1112. Of course, the housing 1110 formed by the first housing portion 1111 and the second housing portion 1112 can be of various shapes, such as a cylinder, a cuboid, etc.

[0092] The battery 1100 can be in the form of multiple battery cells 1121 connected in series, parallel, or in a mixed manner to form a battery module 1120. These multiple battery modules 1120 can then be connected in series, parallel, or in a mixed manner to form a single integrated battery module 1120. The multiple battery modules 1120 are arranged in an array and housed within a casing 1110. The battery 1100 may also include other structures; for example, it may include a busbar component for electrical connection between the multiple battery modules 1120 or between the battery cells 1121.

[0093] The battery module 1120 includes battery cells 1121, which are the smallest units that make up the battery 1100. Each battery cell 1121 can be a secondary battery 1100 or a primary battery 1100; it can also be a lithium-sulfur battery, a sodium-ion battery, or a magnesium-ion battery, but is not limited to these. The battery cell 1121 can be cylindrical, flat, cuboid, or other shapes.

[0094] The battery module 1120 also includes a heat exchanger 1122, which is connected to the battery cell 1121. On one hand, the heat exchanger 1122 exchanges heat with the battery cell 1121, cooling or heating the battery cell 1121. On the other hand, the heat exchanger 1122 can also heat or cool the adhesive (the adhesive layer 1123 before curing). Specifically, according to some embodiments of this application, see... Figure 3-5 As shown in the figure. This application provides a battery 1100, which includes at least one battery module 1120. Each battery module 1120 includes a battery cell 1121, a heat exchanger 1122, and an adhesive layer 1123. Multiple battery cells 1121 are provided. The heat exchanger 1122 has a heat exchange surface 11222 and a channel 11221 is formed on the heat exchanger 1122. The adhesive layer 1123 is disposed between the outer surface of each battery cell 1121 and the heat exchange surface 11222 to bond each battery cell 1121 to the heat exchange surface 11222.

[0095] Specifically, the battery 1100 may include one or more battery modules 1120, which are connected in series, parallel, or mixed to form the main body of the battery module. The battery modules 1120 may be arranged in an array along the same plane, thereby abutting against the inner wall of the housing 1110 of the battery 1100.

[0096] The battery cell 1121 comprises a battery cell, which is one of the core components of the battery 1100. The battery cell converts chemical energy into electrical energy. The basic structure of the battery cell includes a positive electrode, a negative electrode, an electrolyte, a separator, and tabs. The tabs consist of a positive tab connected to the positive electrode and a negative tab connected to the negative electrode. The positive and negative electrodes are separated by the electrolyte and the separator. During discharge, a redox reaction occurs between the positive and negative electrodes, generating current. Battery cell types include lithium-ion cells (Li-ion), nickel-metal hydride cells (NiMH), and nickel-cadmium cells (NiCd). Lithium-ion cells are characterized by high energy density and lightweight design.

[0097] The battery cell 1121 also includes a housing, and an internal receiving space is formed inside the housing, in which the battery cell is housed. The housing has an outer surface, which can be cylindrical or rectangular, etc. Therefore, the outer surface of the battery cell 1121 includes the bottom surface or side surface of the housing, etc. The side surface can be a plane or a cylindrical surface, and the bottom surface is the surface that is opposite to the electrode terminals.

[0098] The heat exchanger 1122 is used to exchange heat for the battery cell 1121 and can also perform heat exchange treatment on the adhesive before the adhesive layer 1123 is cured. Specifically, a channel 11221 is formed on the heat exchanger 1122, and a fluid with a preset temperature can be introduced into the channel 11221. The fluid may include gas, liquid, etc. The temperature is not equal to the room temperature. The temperature is greater than or less than the room temperature, or the temperature is greater than or less than the temperature of the adhesive at room temperature.

[0099] Channel 11221 can be formed inside the heat exchanger 1122. For example, channel 11221 can be a through-hole structure inside the heat exchanger 1122, allowing fluid to be directly introduced into channel 11221. Alternatively, channel 11221 can also be formed on the surface of the heat exchanger 1122, thus forming a through-groove structure. In the case of a through-groove structure, a sealing part needs to be added at the groove opening of channel 11221 to seal the groove opening. For one structure of channel 11221, multiple flow paths can be used, for example, by forming multiple through-hole structures, which can be spaced apart or intersected. For another structure of channel 11221, a single large-diameter through-hole structure can be used, with one channel inlet and one channel outlet, and the through-hole structure covering (or radiating) the entire area of ​​the heat exchange surface 11222.

[0100] The heat exchange surface 11222 is a plane of the heat exchange element 1122 used for thermally conductive connection with the battery cell 1121. The heat exchange surface 11222 can be a plane, a curved surface, or a combination of irregular shapes.

[0101] The adhesive layer 1123 is disposed between the outer surface of the battery cell 1121 and the heat exchange surface 11222 of the heat exchanger 1122. That is, the adhesive layer 1123 is in contact with both the outer surface of the battery cell 1121 and the heat exchange surface 11222. The adhesive layer 1123 is pressed between the heat exchange surface 11222 of the heat exchanger 1122 and the outer surface of each battery cell 1121, thereby achieving the purpose of connecting each battery cell 1121 to the heat exchanger 1122.

[0102] Adhesive layer 1123 is an adhesive layer whose curing time is affected by different temperatures. It should be noted that adhesive layer 1123 is called adhesive before curing. For example, thermally conductive adhesives that increase the curing rate by preheating (or heating) include thermally conductive silicone, thermally conductive epoxy, thermally conductive acrylic, etc.; or adhesives that increase the curing rate by precooling (or cooling) include precooling-curing epoxy resin, precooling-curing polyurethane adhesive, precooling-curing acrylic, etc.

[0103] During the assembly of this battery module, an adhesive is pre-applied to the outer surface of the battery cell 1121 or the corresponding position of the heat exchange surface 11222. The battery cell 1121 and the heat exchange surface 11222 are assembled and compressed, so that the adhesive is between the heat exchange surface 11222 and the outer surface of the battery cell 1121 and is subjected to the compressive force. Then, a fluid with a preset temperature is introduced into the channel 11221 of the heat exchange component 1122. When a heat-curing adhesive is used, the temperature of the fluid can be relatively increased. When a cold-curing adhesive is used, the temperature of the fluid can be relatively decreased, thereby allowing the adhesive to cure and form an adhesive layer 1123, thereby increasing the curing rate of the adhesive layer 1123 (or the adhesive) and shortening the curing time.

[0104] In this example, by opening a channel 11221 on the heat exchanger 1122, when the battery cell 1121 is assembled with the heat exchanger 1122 via the adhesive layer 1123, a fluid with a preset temperature can be introduced into the channel 11221 on the heat exchanger 1122. The fluid transfers heat to the adhesive or absorbs heat from the adhesive, thereby causing the adhesive to solidify and form the adhesive layer 1123. This accelerates the curing of the adhesive layer 1123 and shortens the curing time of the adhesive to form the adhesive layer 1123, which is beneficial to improving the assembly and molding efficiency of the battery module 1120, and thus improving the production efficiency of the battery 1100.

[0105] In some examples, refer to Figure 2 As shown, the outer surface of the battery cell 1121 includes a bottom surface 11211 and a side surface 11212. An adhesive layer 1123 is disposed between the bottom surface 11211 and the heat exchange surface 11222, or the adhesive layer 1123 is disposed between the side surface 11212 and the heat exchange surface 11222.

[0106] The battery cell 1121 has one end with a terminal post installed, which is called the terminal post end. Opposite to the terminal post end is the bottom end, and the end face of the bottom end is called the bottom surface 11211. The side surface 11212 is located between the end face of the terminal post end and the bottom surface 11211. Specifically, the battery cell 1121 includes a casing and a battery cell, with the battery cell housed within the receiving space of the casing. The casing can be rectangular or cylindrical. For a cylindrical battery cell 1121, the bottom surface 11211 of the battery cell 1121 refers to the end face of the casing opposite to the end with the terminal post, and the side surface 11212 refers to the outer cylindrical surface of the casing. For a rectangular battery cell 1121, the bottom surface 11211 of the battery cell 1121 refers to the end face of the casing opposite to the end with the terminal post, and the side surface 11212 refers to the four sequentially perpendicularly connected outer surfaces of the casing.

[0107] Combination Figure 3 and Figure 4As shown, the adhesive layer 1123 is disposed between the outer surface of each battery cell 1121 and the heat exchange surface 11222. Specifically, the adhesive layer 1123 can be disposed between the bottom surface 11211 of each battery cell 1121 and the heat exchange surface 11222. When the battery module 1120 is assembled with the housing 1110, the battery cell 1121 can be installed horizontally or vertically. In the horizontal installation, the bottom surface 11211 of the battery cell 1121 is perpendicular to the bottom wall of the housing 1110, that is, the side surface 11212 of the battery cell 1121 is in contact with the bottom wall of the housing 1110. In the vertical installation, the bottom surface 11211 of the battery cell 1121 is in contact with the bottom wall of the housing through the heat exchange component 1122, and the side surface 11212 of the battery cell 1121 is perpendicular to the bottom wall of the housing 1110.

[0108] Combination Figure 5 As shown, the adhesive layer 1123 is disposed between the outer surface of each battery cell 1121 and the heat exchange surface 11222. Specifically, the adhesive layer 1123 can be disposed between the side surface 11212 of each battery cell 1121 and the heat exchange surface 11222. When the battery module 1120 is assembled with the housing 1110, the battery cell 1121 can be installed horizontally or vertically. In the horizontal installation, the bottom surface 11211 of the battery cell 1121 is perpendicular to the bottom wall of the housing 1110, and the heat exchange component 1122 can be located between the side surface 11212 of the battery cell 1121 and the bottom wall of the housing 1110. In the vertical installation, the bottom surface 11211 of the battery cell 1121 is in contact with the bottom wall of the housing.

[0109] In this example, when the heat exchanger 1122 is assembled with the housing 1110 of the battery 1100, the heat exchanger 1122 can be set to fit against the bottom of the housing 1110 or it can be set vertically to the bottom of the housing 1110, so that the bottom surface 11211 or the side surface 11212 of the battery cell 1121 abuts against the heat exchange surface 11222 of the heat exchanger 1122, thereby realizing different assembly methods of the battery cell 1121, which makes the structure of the battery 1100 more diversified.

[0110] In some examples, refer to Figure 4 As shown, the battery module 1120 also includes a tube 1124, which is inserted into the channel 11221.

[0111] Specifically, the fitting 1124 is a cylindrical structure with a through hole in the middle. The fitting 1124 can be made of rubber, silicone, metal, plastic, etc. The fitting 1124 is inserted into the channel 11221 and matches the extension path of the channel 11221. When the fluid is connected, the fluid flows in the through hole of the fitting 1124, so that the fluid does not directly contact the inner wall of the channel 11221, reducing the corrosion of the heat exchanger 1122 by the fluid, thereby protecting the heat exchanger 1122.

[0112] In addition, using pipe fitting 1124 to transport fluids facilitates later maintenance. In cases where the fluid is highly corrosive or prone to damage due to high or low temperatures, using pipe fitting 1124 for transport makes it easier to replace the pipe fitting 1124 if it is damaged later, reducing the risk of directly replacing the heat exchanger 1122.

[0113] In this example, the use of pipe fitting 1124 to transport fluid can protect the heat exchange component 1122 and help reduce subsequent maintenance costs.

[0114] In some examples, refer to Figure 3-6 As shown, channel 11221 is formed within heat exchanger 1122.

[0115] Specifically, channel 11221 is a through-hole structure formed inside heat exchanger 1122. The through-hole structure is positioned close to heat exchange surface 11222 so that fluid can get closer to heat exchange surface 11222, adhesive layer 1123, and battery cell 1121, facilitating heat exchange with adhesive layer 1123 and battery cell 1121. The extension path of the through-hole structure can be parallel to heat exchange surface 11222. The extension path of the through-hole structure can be straight, curved, etc., and can be parallel or intersecting, so that the projected area of ​​the through-hole structure on heat exchange surface 11222 can cover as large an area of ​​heat exchange surface 11222 as possible, thereby increasing the heat exchange area and improving heat exchange efficiency.

[0116] In this example, channel 11221 is formed inside heat exchanger 1122. Fluid can be directly introduced into channel 11221, or pipe fitting 1124 can be inserted into channel 11221 to transport fluid, which makes heat exchanger 1122 more applicable.

[0117] In some examples, refer to Figure 7 As shown, channel 11221 is a through-slot structure formed on heat exchange surface 11222 and penetrating heat exchange surface 11222.

[0118] Specifically, by opening a channel 11221 on the heat exchange surface 11222, it can be understood that the channel 11221 is a groove structure opened on the heat exchange surface 11222. The groove structure extends through the heat exchange surface 11222 to form a through-groove structure. The through-groove structure can be set to avoid the outer surface of the adhesive layer 1123 and the battery cell 1121. In this case, a pipe 1124 can be set in the through-groove structure. The fluid in the pipe 1124 exchanges heat with the heat exchange element 1122. The heat exchange element 1122 then exchanges heat with the adhesive layer 1123 and the battery cell 1121, thereby achieving preheating or precooling of the adhesive layer 1123 to improve the curing rate.

[0119] In this example, channel 11221 is formed on heat exchange surface 11222, which makes the fabrication of channel 11221 more convenient. It is only necessary to process grooves on the heat exchange surface 11222 of heat exchange component 1122, which helps to reduce manufacturing costs.

[0120] In some examples, adhesive layer 1123 is an adhesive layer 1123 that can be preheated and cured.

[0121] Specifically, the adhesive layer 1123 uses a preheat-cured adhesive. For example, the adhesive layer 1123 can be a thermally conductive adhesive, including thermally conductive silicone, thermally conductive epoxy, thermally conductive acrylic, etc. Thermally conductive silicone, thermally conductive epoxy, and thermally conductive acrylic have good thermal conductivity and adhesion properties, which can effectively absorb the heat of the heat exchanger 1122, accelerate curing, and provide reliable adhesion between the heat exchanger 1122 and the battery cell 1121.

[0122] When the adhesive layer 1123 is a preheat-cured adhesive layer 1123, after the battery cell 1121 is attached to the heat exchange surface 11222 by the adhesive, a high-temperature fluid needs to be introduced into the channel 11221. The heat of the fluid is transferred to the adhesive through the heat exchange element 1122, thereby improving the curing efficiency of the adhesive to the adhesive layer 1123.

[0123] Optionally, the adhesive layer 1123 is an adhesive layer 1123 that can be pre-cooled and cured.

[0124] Specifically, the adhesive layer 1123 uses a pre-cooled curing adhesive, such as pre-cooled curing epoxy resin, pre-cooled curing polyurethane adhesive, or pre-cooled curing acrylic adhesive. This type of adhesive undergoes pre-cooling treatment to promote the curing rate. The adhesive layer 1123 can be used in low-temperature environments. Pre-cooling can provide strong adhesive properties and enable rapid curing in low-temperature environments.

[0125] In this example, the adhesive layer 1123 uses a preheated or precooled curing adhesive, which allows the adhesive to be heated or cooled by introducing a fluid with a preset temperature into the channel 11221 of the heat exchanger 1122. This improves the curing efficiency of the adhesive in curing into the adhesive layer 1123 and shortens the curing time of the adhesive in curing into the adhesive layer 1123, thereby improving the molding time of the battery module and the production efficiency of the battery 1100.

[0126] In some examples, refer to Figure 8 , Figure 16 and Figure 17 As shown, a first groove structure 11223 is formed on the heat exchanger 1122, and the first groove structure 11223 is opened to avoid the heat exchange surface 11222.

[0127] The battery module 1120 needs to be assembled with the housing 1110. The housing 1110 has a structural beam 1114 inside, which extends and its two ends are connected to the side wall of the housing 1110. When the battery module 1120 is assembled with the housing 1110, the structural beam 1114 can be inserted into the first slot structure 11223 to position the battery module 1120.

[0128] The slot opening of the first slot structure 11223 can be set away from the heat exchange surface 11222. For example, the orientation of the slot opening is perpendicular to the heat exchange surface 11222, or the slot opening of the first slot structure 11223 is located on the side of the heat exchange surface 11222, and the orientation of the slot opening of the first slot structure 11223 is parallel to the heat exchange surface 11222.

[0129] In this example, the first groove structure 11223 is used to insert and cooperate with the beam structure in the housing 1110 of the battery 1100, so that the heat exchanger 1122 can be inserted into the structural beam 1114, realizing the accurate positioning of the heat exchanger 1122 and the structural beam 1114. The insertion method can also reduce the shaking of the battery module 1120 relative to the housing 1110 in the direction perpendicular to the insertion.

[0130] In some examples, refer to Figure 9-11 As shown, the adhesive layer 1123 includes a first sub-adhesive layer 11231 and a second sub-adhesive layer 11232; the heat exchange surface 11222 includes a first sub-heat exchange surface 112221 and a second sub-heat exchange surface 112222 arranged opposite to each other. The multiple battery cells 1121 are divided into a first part and a second part. The bottom surface 11211 of each battery cell 1121 in the first part is connected to the first sub-heat exchange surface 112221 through the first sub-adhesive layer 11231, and the bottom surface 11211 of each battery cell 1121 in the second part is connected to the second sub-heat exchange surface 112222 through the second sub-adhesive layer 11232.

[0131] Specifically, the first sub-heat exchange surface 112221 and the second sub-heat exchange surface 112222 can be planar, curved, or a combination of irregular shapes. When both the first sub-heat exchange surface 112221 and the second sub-heat exchange surface 112222 are planar, the two sub-heat exchange surfaces can be arranged parallel to each other or at a preset angle. The preset angle ranges from 0° to 90°, excluding 90°. For example, the preset angle ranges from 0° to 15°, such as 0°, 5°, 10°, 15°, etc. When the preset angle is 0°, the first sub-heat exchange surface 112221 is parallel to the second sub-heat exchange surface 112222.

[0132] The first part refers to a portion of all battery cells 1121 connected to the heat exchange surface 11222 in the above embodiment. Each battery cell 1121 in the first part is bonded to the first sub-heat exchange surface 112221 through the first sub-adhesive layer 11231. The second part refers to the remaining battery cells 1121 excluding the first part among all battery cells 1121 connected to the heat exchange surface 11222. Each battery cell 1121 in the second part is bonded to the second sub-heat exchange surface 112222 through the second sub-adhesive layer 11232. It can be seen that the battery cells 1121 in the first part and the battery cells 1121 in the second part are located on opposite sides of the heat exchange element 1122, so that the heat exchange element 1122 can connect more battery cells 1121 and achieve the purpose of heat exchange with more adhesive layers 1123 and battery cells 1121, which is beneficial to saving production costs.

[0133] The first sub-adhesive layer 11231 and the second sub-adhesive layer 11232 can both be preheat-cured adhesive layers or both be precool-cured adhesive layers, so that when a fluid with a preset temperature is introduced into the channel 11221, the fluid can exchange heat between the first sub-heat exchange surface 112221 and the first sub-adhesive layer 11231, and can also exchange heat between the second sub-heat exchange surface 112222 and the second sub-adhesive layer 11232, thereby achieving the purpose of accelerating the curing of the first sub-adhesive layer 11231 and the second sub-adhesive layer 11232.

[0134] In this example, by forming a first sub-heat exchange surface 112221 and a second sub-heat exchange surface 112222 with the heat exchange surface 11222, the heat exchange element 1122 can connect more battery cells 1121 for heat exchange, which helps to save production costs.

[0135] In some examples, refer to Figure 11-13As shown, the adhesive layer 1123 includes a first sub-adhesive layer 11231 and a second sub-adhesive layer 11232; the heat exchange surface 11222 includes a first sub-heat exchange surface 112221 and a second sub-heat exchange surface 112222 arranged opposite to each other; multiple battery cells 1121 are divided into a first part and a second part; the bottom surface 11211 of each battery cell 1121 in the first part is connected to the first sub-heat exchange surface 112221 through the first sub-adhesive layer 11231; the bottom surface 11211 of each battery cell 1121 in the second part is connected to the second sub-heat exchange surface 112222 through the second sub-adhesive layer 11232; the first groove structure 11223 is located in the area between the first sub-heat exchange surface 112221 and the second sub-heat exchange surface 112222 of the heat exchange element 1122.

[0136] Similarly, the first sub-heat exchange surface 112221 and the second sub-heat exchange surface 112222 can be planar, curved, or a combination of irregular shapes. When both the first sub-heat exchange surface 112221 and the second sub-heat exchange surface 112222 are planar, the two sub-heat exchange surfaces can be arranged parallel to each other or at a preset angle. The preset angle ranges from 0° to 90°, excluding 90°. For example, the preset angle ranges from 0° to 15°, such as 0°, 5°, 10°, 15°, etc. When the preset angle is 0°, the first sub-heat exchange surface 112221 is parallel to the second sub-heat exchange surface 112222.

[0137] The first part refers to a portion of all battery cells 1121 connected to the heat exchange surface 11222 in the above embodiment. Each battery cell 1121 in the first part is bonded to the first sub-heat exchange surface 112221 through the first sub-adhesive layer 11231. The second part refers to the remaining battery cells 1121 excluding the first part among all battery cells 1121 connected to the heat exchange surface 11222. Each battery cell 1121 in the second part is bonded to the second sub-heat exchange surface 112222 through the second sub-adhesive layer 11232. It can be seen that the battery cells 1121 in the first part and the battery cells 1121 in the second part are located on opposite sides of the heat exchange element 1122, so that the heat exchange element 1122 can connect more battery cells 1121 and achieve the purpose of heat exchange with more adhesive layers 1123 and battery cells 1121, which is beneficial to saving production costs.

[0138] The first sub-adhesive layer 11231 and the second sub-adhesive layer 11232 can both be preheat-cured adhesive layers or both be precool-cured adhesive layers, so that when a fluid with a preset temperature is introduced into the channel 11221, the fluid can exchange heat between the first sub-heat exchange surface 112221 and the first sub-adhesive layer 11231, and can also exchange heat between the second sub-heat exchange surface 112222 and the second sub-adhesive layer 11232, thereby achieving the purpose of accelerating the curing of the first sub-adhesive layer 11231 and the second sub-adhesive layer 11232.

[0139] The first groove structure 11223 is arranged to avoid the first sub-heat exchange surface 112221 and the second sub-heat exchange surface 112222, so that the first groove structure 11223 does not affect the connection of the battery cell 1121. The first groove structure 11223 is opened in the area between the first sub-heat exchange surface 112221 and the second sub-heat exchange surface 112222 of the heat exchange member 1122. When the first sub-heat exchange surface 112221 and the second sub-heat exchange surface 112222 are parallel, the orientation of the groove opening of the first groove structure 11223 can be parallel to the first sub-heat exchange surface 112221 or the second sub-heat exchange surface 112222.

[0140] During assembly of the battery module 1120, a support component can be placed inside the first groove structure 11223. When the battery cell 1121 is connected to the heat exchanger 1122, the battery cell 1121 needs to press the adhesive onto the heat exchange surface 11222. Therefore, the heat exchanger 1122 will be subjected to compressive force. When the heat exchanger 1122 adopts a plate-like structure, the heat exchanger 1122 is prone to extrusion deformation. Therefore, a support component can be set inside the first groove structure 11223 so that the support component abuts against the bottom wall or side wall of the first groove structure 11223, thereby reducing the risk of deformation of the heat exchanger 1122. After curing, the support component is removed. A heating component or a cooling component can be placed inside the first groove structure 11223 to assist in heat exchange of the heat exchanger 1122, thereby improving the curing rate of the first sub-adhesive layer 11231 and the second sub-adhesive layer 11232. After curing, the heating component or cooling component is removed.

[0141] In this example, by forming a first sub-heat exchange surface 112221 and a second sub-heat exchange surface 112222 on the heat exchange surface 11222, the heat exchange component 1122 can connect more battery cells 1121 for heat exchange, which helps to save production costs. In addition, by setting the first groove structure 11223, it is beneficial to use the support component to support the adhesive layer 1123 when it is squeezed.

[0142] In some examples, refer to Figure 13As shown, the heat exchanger 1122 includes a first heat exchange portion 11224, a second heat exchange portion 11225, and a connecting portion 11226 connecting the first heat exchange portion 11224 and the second heat exchange portion 11225. Channels 11221 are formed on both the first heat exchange portion 11224 and the second heat exchange portion 11225. The first heat exchange portion 11224, the second heat exchange portion 11225, and the connecting portion 11226 together form a first groove structure 11223. The first sub-heat exchange surface 112221 is located on the side of the first heat exchange portion 11224 that is opposite to the first groove structure 11223, and the second sub-heat exchange surface 112222 is located on the side of the second heat exchange portion 11225 that is opposite to the first groove structure 11223. Channels 11221 are formed on both the first heat exchange portion 11224 and the second heat exchange portion 11225.

[0143] Specifically, the first heat exchange part 11224, the second heat exchange part 11225 and the connecting part 11226 can be integrally formed or connected in a detachable manner, such as by bonding, bolting or welding.

[0144] The first heat exchange section 11224 and the second heat exchange section 11225 are spaced apart to form an interval space. The connecting section 11226 is connected to the first heat exchange section 11224 and the second heat exchange section 11225 respectively, so that the interval space is formed in the slot space, that is, the first slot structure 11223 is formed, and the slot opening is located at the position opposite to the connecting section 11226.

[0145] Combination Figure 14 As shown, since the first sub-heat exchange surface 112221 is formed on the first heat exchange part 11224 and the second sub-heat exchange surface 112222 is formed on the second heat exchange part 11225, it can be seen that channels 11221 need to be opened on both the first heat exchange part 11224 and the second heat exchange part 11225, and the channels 11221 need to be set close to the first sub-heat exchange surface 112221 and the second sub-heat exchange surface 112222. Channels 11221 can be set on the connecting part 11226 to improve the heat exchange of the entire heat exchange component 1122. Of course, channels 11221 may not be set on the connecting part 11226.

[0146] In this example, the first heat exchange part 11224 and the second heat exchange part 11225 are connected by a connecting part 11226 to form a first heat exchange component 1122, and can form a first groove structure 11223. The heat exchange component 1122 can be an integrally formed structure or an assembled structure, making the preparation method of the heat exchange component 1122 more diverse.

[0147] In some examples, refer to Figure 13As shown, the first heat exchange section 11224, the second heat exchange section 11225 and the connecting section 11226 are all plate-shaped. The plate surface of the first heat exchange section 11224 facing away from the second heat exchange section 11225 forms a first sub-heat exchange surface 112221, and the plate surface of the second heat exchange section 11225 facing away from the first heat exchange section 11224 forms a second sub-heat exchange surface 112222.

[0148] Specifically, the plate-shaped first heat exchange section 11224 and second heat exchange section 11225 are arranged opposite each other at intervals. The first heat exchange section 11224 and second heat exchange section 11225 can be arranged at an angle of less than 90°, or the first heat exchange section 11224 and second heat exchange section 11225 can be arranged parallel to each other. The two sides (or two ends) of the connecting section 11226 are connected to the edges of the first heat exchange section 11224 and second heat exchange section 11225 to jointly form a first groove structure 11223. The two groove walls of the first groove structure 11223 are respectively a plate surface of the first heat exchange section 11224 and a plate surface of the second heat exchange section 11225. The bottom wall of the first groove structure 11223 is a plate surface of the connecting section 11226. The first heat exchange section 11224 and second heat exchange section 11225 can be symmetrically arranged on both sides of the connecting section 11226.

[0149] The other plate surface of the first heat exchange section 11224 faces away from the second heat exchange section 11225, thus forming the first sub-heat exchange surface 112221. The other plate surface of the second heat exchange section 11225 faces away from the first heat exchange section 11224, thus forming the second sub-heat exchange surface 112222. The first sub-heat exchange surface 112221 and the second sub-heat exchange surface 112222 can be arranged in parallel.

[0150] In this example, the heat exchange surface 11222 can be formed on the surface of the plate. The plate-shaped first heat exchange part 11224, second heat exchange part 11225 and connecting part 11226 are easier to prepare and process, and are conducive to reducing the overall weight of the heat exchange part 1122.

[0151] In some examples, refer to Figure 15-17 As shown, the battery 1100 includes a structural component 1125 and multiple battery modules 1120. The multiple battery modules 1120 are arranged in an array, and the heat exchange components 1122 in any two adjacent battery modules 1120 are connected through the structural component 1125.

[0152] Specifically, in order to enable the battery 1100 to accommodate more battery cells 1121 and thus have a larger capacity, multiple battery modules 1120 are provided in the battery 1100. In order to enable the battery modules 1120 to be integrated into the housing 1110 of the battery 1100, the multiple battery modules 1120 are arranged in an array to form a modular battery module. For example, the multiple battery modules 1120 can be arranged sequentially in a preset plane along a preset direction, which can be a direction perpendicular to the heat exchange surface 11222 (the first sub-heat exchange surface 112221 or the second sub-heat exchange surface 112222).

[0153] Two adjacent battery modules 1120 are connected by a structural component 1125. The structural component 1125 is connected to the heat exchange component 1122 in the battery module 1120 so that the two adjacent heat exchange components 1122 can be connected into a whole. Since the battery cell 1121 is bonded to the heat exchange component 1122, the structural component 1125 makes the two adjacent battery modules 1120 form a larger module.

[0154] Structural component 1125 can take various structural forms, such as plate-shaped structural component, rod-shaped structural component, frame-type combined structural component, etc. The structural component 1125 can be fixedly connected to each heat exchange component 1122 by means of welding, bonding, etc., or it can be detachably connected by means of threaded connection, locking plug connection, etc.

[0155] In this example, structural component 1125 is used to connect two adjacent battery modules 1120, so that the two adjacent battery modules 1120 can form an integral battery module with larger capacity and larger volume.

[0156] In some examples, refer to Figure 15-17 As shown, structural component 1125 is a rod-shaped structural component 1125, and both ends of structural component 1125 are connected to two adjacent heat exchange components 1122.

[0157] Specifically, the structural component 1125 is rod-shaped, and the cross-sectional outer contour of the structural component 1125 can be circular, elliptical, polygonal, or various irregular shapes. For example, the structural component 1125 can be made of angle steel, channel steel, I-beam, etc. Multiple structural components 1125 can be provided, and multiple structural components 1125 are arranged alternately or connected between the heat exchange components 1122 in two adjacent battery modules 1120. The two ends of each structural component 1125 are respectively connected to the two adjacent heat exchange components 1122. The rod-shaped structural component 1125 and the heat exchange component 1122 can be fixed by welding, threaded connection, etc.

[0158] In this example, structural member 1125 is a rod-shaped structural member 1125, which is easy to manufacture and install, and helps to save manufacturing costs.

[0159] Furthermore, a flow channel can be formed within the structural component 1125, which communicates with the channel 11221 inside the heat exchanger 1122. Fluid can be supplied to the channel 11221 through the flow channel. The flow channel can be connected to an external device for supplying fluid, and multiple flow channels on the structural components 1125 can be interconnected. In summary, the structural component 1125 not only provides support but also supplies fluid to the channel 11221. The structure of the structural component 1125 is more flexible, has a wider range of applications, and offers more diverse functions.

[0160] In some examples, refer to Figure 15 As shown, the battery 1100 includes a housing 1110, the housing 1110 forming an accommodating space 1113, and the battery module 1120 is housed in the accommodating space 1113.

[0161] Specifically, the box 1110 includes a first box portion 1111 and a second box portion 1112. The second box portion 1112 can be a hollow structure with one end open and has an inner cavity. The first box portion 1111 can be a plate-like structure. The first box portion 1111 covers the opening side of the second box portion 1112 to form an accommodating space 1113.

[0162] In this example, battery 1100 includes a housing 1110 and a battery module 1120, with the battery module 1120 installed inside the housing 1110. Battery 1100 may include one or more battery modules 1120. When multiple battery modules 1120 are provided in battery 1100, they can be arranged according to a preset pattern. Multiple battery modules 1120 can be arranged in a row-multiple-column or multi-row-multiple-column configuration. Multiple battery modules 1120 can be connected in series, in parallel, or a combination of series and parallel connections.

[0163] In some examples, refer to Figure 16-18 As shown, the battery 1100 includes a housing 1110 and a battery module 1120 in the embodiment with the first slot structure 11223. The housing 1110 forms an accommodating space 1113, and the battery module 1120 is accommodated in the accommodating space 1113. The housing 1110 has a bottom wall, on which a structural beam 1114 is formed, and the structural beam 1114 is inserted into the first slot structure 11223.

[0164] Specifically, the structural beam 1114 provides mechanical support and stability to the housing 1110 of the battery 1100. Inside the housing 1110 of the battery 1100, the battery module 1120 and other components are installed. The presence of the structural beam 1114 effectively supports these components, preventing deformation or vibration during transportation, installation, and use. The structural beam 1114 increases the overall rigidity of the housing 1110, making it more robust and durable. The structural beam 1114 can also be used to divide different compartments or areas within the housing 1110 to help optimize the layout and organization of the battery module 1120, making it more compact and efficient, while also providing additional support and protection.

[0165] The structural beam 1114 is a rod-shaped structure that protrudes outward from the bottom wall of the box 1110. The shape of the outer contour of the cross section of the structural beam 1114 can be circular, elliptical, polygonal, etc. The shape of the cross section of the first groove structure 11223 matches the shape and size of the outer contour of the cross section of the structural beam 1114 so that the structural beam 1114 can be inserted into the first groove structure 11223, thereby realizing the positioning of the heat exchanger 1122.

[0166] When the battery 1100 includes multiple battery modules 1120, it is known that the battery 1100 has multiple heat exchange components 1122. Correspondingly, the number of structural beams 1114 is the same as the number of heat exchange components 1122, so that each heat exchange component 1122 can be plugged into the corresponding structural beam 1114, increasing the number of limiting positions on the battery module 1120, thereby improving the stability of the connection between the battery module 1120 and the housing 1110.

[0167] In this example, by setting up a structural beam 1114, the heat exchanger 1122 can be inserted and connected to the structural beam 1114 through the first groove structure 11223, thereby realizing the positioning and connection of the battery module 1120 relative to the housing 1110, making the assembly position of the battery module 1120 relative to the housing 1110 more accurate and stable.

[0168] In some examples, battery 1100 also includes a locking assembly (not shown) that connects heat exchanger 1122 and structural beam 1114.

[0169] Specifically, the locking assembly is used to fix the heat exchanger 1122 to the structural beam 1114 to ensure the firmness and stability of the connection between the battery module 1120 and the housing 1110.

[0170] The locking assembly can adopt various structural forms. For example, the locking assembly can use a locking pin insertion method, with locking holes respectively opened at corresponding positions on the heat exchanger 1122 and the structural beam 1114. The locking assembly includes a locking pin, which is inserted into the locking holes of the heat exchanger 1122 and the structural beam 1114, thereby limiting the position of the heat exchanger 1122 and the structural beam 1114. Alternatively, the locking assembly can use a bolt assembly, with bolts connecting the heat exchanger 1122 and the structural beam 1114 respectively.

[0171] Multiple locking components may be provided, and the multiple locking components are arranged in an array at intervals to enhance the connection strength between the heat exchanger 1122 and the structural beam 1114.

[0172] In this example, by setting a locking assembly, the locking assembly is connected to the heat exchanger 1122 and the structural beam 1114 respectively, so that the battery module 1120 can be fixedly connected to the housing 1110 of the battery 1100. In the event of vibration or shaking, the position of the battery module 1120 relative to the housing 1110 is more stable and less prone to impact noise. In addition, by setting the locking assembly, the connection strength between the battery module 1120 and the housing 1110 is enhanced, which can enhance the ability of the battery module 1120 to withstand the expansion force of the battery cell 1121 when the battery cell 1121 expands.

[0173] In some examples, the locking assembly is threadedly connected to the heat exchanger 1122 and the structural beam 1114, respectively.

[0174] Specifically, the locking assembly is connected to the heat exchanger 1122 and the structural beam 1114 respectively by threaded connection. The locking assembly includes a locking bolt (or locking screw). Correspondingly, the structural beam 1114 has bolt holes. The heat exchanger 1122 has a first connecting hole 11227 at the position corresponding to the bolt holes. The first connecting hole 11227 can be a through hole or a threaded hole. The structural beam 1114 has a second connecting hole 11141. The second connecting hole 11141 can be a threaded hole. The threaded end of the locking bolt passes through the first connecting hole 11227 and is threadedly connected to the second connecting hole 11141 of the structural beam 1114. The nut of the locking bolt can abut against the heat exchanger 1122, thereby connecting and fixing the heat exchanger 1122 and the structural beam 1114.

[0175] In this example, the locking assembly uses a threaded connection to connect the heat exchanger 1122 and the structural beam 1114, making it easier to install and disassemble the heat exchanger 1122 and the structural beam 1114, and facilitating later maintenance.

[0176] In some examples, refer to Figure 16-18As shown, the housing 1110 includes a first housing section 1111 and a second housing section 1112. The first housing section 1111 and the second housing section 1112 are connected and together enclose a accommodating space 1113. The structural beam 1114 is connected to the second housing section 1112 and is located within the accommodating space 1113. The locking assembly connects the heat exchange component 1122, the structural beam 1114 and the first housing section 1111.

[0177] Regarding the structural form of the housing 1110, for example, the second housing portion 1112 has an inner cavity and forms an opening communicating with the inner cavity. The first housing portion 1111 is plate-shaped and covers the opening. It can be understood that the first housing portion 1111 is the cover plate of the housing 1110. The first housing portion 1111 is connected to the second housing portion 1112, such that the first housing portion 1111 covers the opening to close the inner cavity of the second housing portion 1112, thereby forming an accommodating space 1113. The structural beam 1114 is connected to the inner cavity of the second housing portion 1112 and protrudes from the cavity wall. The cavity wall of the connecting structural beam 1114 can be the bottom wall of the housing 1110. The structural beam 1114 is connected to the bottom wall and extends outward toward the inner cavity. With the opening opposite to the bottom wall and the first housing part 1111 covering the opening, it can be seen that the first housing part 1111 is opposite to the bottom wall. The structural beam 1114 is located between the bottom wall and the first housing part 1111. The two ends of the locking assembly are respectively connected to the structural beam 1114 and the first housing part 1111. Since the heat exchanger 1122 is inserted into the structural beam 1114, the locking assembly can also connect the heat exchanger 1122 at the same time, thereby connecting and locking the heat exchanger 1122, the structural beam 1114 and the first housing part 1111.

[0178] Taking the locking assembly using a locking bolt as an example, a first connecting hole 11227 is opened on the heat exchanger 1122. The first connecting hole 11227 can be a through hole or a threaded hole. A second connecting hole 11141 is opened at the corresponding position of the structural beam 1114. The second connecting hole 11141 is a threaded hole. The end of the locking bolt with external thread is connected to the first connecting hole 11227 of the heat exchanger 1122 and the second connecting hole 11141 of the structural beam 1114 respectively. Correspondingly, a third connecting hole 11112 is opened on the first housing part 1111. The third connecting hole 11112 can be a through hole. The locking bolt passes through the third connecting hole 11112. The nut of the locking bolt abuts against the surface of the first housing part 1111 opposite to the second housing part 1112, thereby connecting and fixing the heat exchanger 1122 to the structural beam 1114 and the first housing part 1111.

[0179] In this example, the locking assembly not only locks the heat exchanger 1122 and the structural beam 1114, but also connects to the first housing section 1111. This allows the first housing section 1111 and the second housing section 1112 of the housing 1110 to be securely connected, enhancing the overall stability of the housing 1110. Furthermore, it ensures a firm connection between the heat exchanger 1122 and the second housing section 1112 (i.e., the structural beam 1114), making the position of the battery module 1120 relative to the housing 1110 more stable and less prone to impact noise. Additionally, by providing the locking assembly, the connection strength between the battery module 1120 and the housing 1110, and between the first housing section 1111 and the second housing section 1112 of the housing 1110, is enhanced. This strengthens the ability of the battery module 1120 and the housing 1110 to withstand the expansion force of the battery cell 1121 when it expands.

[0180] In some examples, refer to Figure 16 and Figure 17 As shown, a second groove structure 11111 is formed on one side of the first housing portion 1111 that is opposite to the accommodating space 1113. The second groove structure 11111 is disposed opposite to the heat exchanger 1122. The locking assembly has a first locking end and a second locking end. The first locking end connects the structural beam 1114 and the heat exchanger 1122, and the second locking end connects to the first housing portion 1111. The second locking end extends outward into the groove space of the second groove structure 11111.

[0181] Specifically, taking the locking assembly as an example of a bolt assembly, the first locking end of the locking assembly can be considered as the end of the threaded rod of the locking bolt, and the second locking end can be considered as the nut of the locking bolt. When the locking assembly uses a locking screw, the end of the locking screw needs to be connected to a locking nut, so the second locking end can be considered as the end where the locking screw and the locking nut are connected.

[0182] When the locking assembly is connected to the first housing part 1111, the second locking end of the locking assembly needs to extend outward from the outer surface of the first housing part 1111 to facilitate the operator to perform screwing operations. A second groove structure 11111 is opened on the screwing surface of the first housing part 1111 to facilitate the hiding of the second locking end of the locking assembly, so that the second locking end does not protrude outward from the outside of the first housing part 1111.

[0183] The second groove structure 11111 is a groove structure opened on the surface of the first housing part 1111 facing away from the second housing part 1112. The bottom of the groove of the second groove structure 11111 has a third connecting hole 11112. The screw part of the locking bolt passes through the third connecting hole 11112, and the nut part is accommodated in the groove space of the second groove structure 11111. The nut is not exposed outside the groove space.

[0184] In this example, by creating a second groove structure 11111, the second locking end of the locking assembly connected to the first housing portion 1111 is not exposed on the surface of the first housing portion 1111. The second groove structure 11111 can hide the second locking end of the locking assembly, thereby making it less likely for the housing 1110 to have an outward protrusion, reducing interference with other components, and enhancing the aesthetics of the housing 1110.

[0185] In one specific embodiment, reference is made to Figure 4As shown, the battery 1100 includes at least one battery module 1120. Each battery module 1120 includes a battery cell 1121, a heat exchanger 1122, and an adhesive layer 1123. The heat exchanger 1122 has a heat exchange surface 11222 and a channel 11221 formed thereon. The adhesive layer 1123 is disposed between the outer surface of each battery cell 1121 and the heat exchange surface 11222 to bond each battery cell 1121 to the heat exchange surface 11222. The adhesive layer 1123 is a preheat-curable adhesive layer. A first groove structure 11223 is formed on the heat exchanger 1122, which is opened to avoid the heat exchange surface 11222. The adhesive layer 1123 includes a first sub-adhesive layer 11231 and a second sub-adhesive layer 11232. The heat exchange surface 11222 includes a first sub-heat exchange surface 112221 and a second sub-heat exchange surface 112222 arranged opposite to each other. Multiple battery cells 1121 are divided into a first part and a second part. The bottom surface 11211 of each battery cell 1121 in the first part is connected to the first sub-heat exchange surface 112221 through the first sub-heat exchange surface 112221, and the bottom surface 11211 of each battery cell 1121 in the second part is connected to the second sub-heat exchange surface 112222 through the second sub-heat exchange surface 112232. A first groove structure 11223 is located in the area between the first sub-heat exchange surface 112221 and the second sub-heat exchange surface 112222 of the heat exchange element 1122. The heat exchange element 1122 includes a first heat exchange... The first heat exchanger 11224, the second heat exchanger 11225, and the connecting portion 11226 connecting the first heat exchanger 11224 and the second heat exchanger 11225 are all connected by channels 11221. The first heat exchanger 11224, the second heat exchanger 11225, and the connecting portion 11226 together form a first groove structure 11223. The first sub-heat exchange surface 112221 is located on the side of the first heat exchanger 11224 that is opposite to the first groove structure 11223, and the second sub-heat exchange surface 112222 is located on the side of the second heat exchanger 11225 that is opposite to the first groove structure 11223. The first heat exchanger 11224 and the second heat exchanger 11225 are both connected by channels 11221. 1; Battery 1100 includes structural component 1125 and multiple battery modules 1120, which are arranged in an array. The heat exchange components 1122 in any two adjacent battery modules 1120 are connected by structural component 1125. Battery 1100 includes housing 1110, which forms an accommodating space 1113, in which battery modules 1120 are housed. Housing 1110 has a bottom wall, on which a structural beam 1114 is formed. The structural beam 1114 is inserted into the first groove structure 11223. Battery 1100 also includes a locking assembly, which connects the heat exchange component 1122 and the structural beam 1114. The locking assembly is threadedly connected to the heat exchange component 1122 and the structural beam 1114 respectively.

[0186] It is understood that the battery 1100 in this example may also include other functional components, which will not be described in detail here.

[0187] In some examples, refer to Figure 1 As shown, an example of an electrical device is disclosed, which includes the battery 1100 described in any of the above examples.

[0188] The electrical devices in this example include, but are not limited to: mobile phones, portable devices, laptops, electric vehicles, electric cars, ships, spacecraft, electric toys, and power tools, etc. The battery 1100 described in any of the above examples can be installed in the electrical device alone.

[0189] The examples of electrical devices in this application are based on the example of the battery 1100 described above. The examples of electrical devices include all the technical effects of the example of the battery 1100 described above, and will not be repeated here.

[0190] This application also discloses a method for assembling a battery 1100, used for assembling the battery 1100 as described in the above embodiments. The method includes the following steps:

[0191] Step A: Prefabricate the battery module 1120, and connect each battery cell 1121 to the heat exchanger 1122 with an adhesive.

[0192] Specifically, the structure of the battery module 1120 can be referred to the embodiment of the battery module 1120 in the above-described battery 1100, and will not be repeated here.

[0193] Step B, curing process, involves introducing fluid into channel 11221 to heat or cool the adhesive to cure it and form adhesive layer 1123.

[0194] Specifically, the curing process refers to the curing process that cures the adhesive into an adhesive layer 1123. This means that the adhesive is pre-cooled or pre-heated to change its temperature, thereby forming a stable adhesive layer 1123. The curing process allows the adhesive to connect and cure with the battery cell 1121 and the heat exchanger 1122 respectively to form the adhesive layer 1123, so that the battery cell 1121 and the heat exchanger 1122 are bonded together and firmly bonded together to achieve the purpose of solid bonding.

[0195] It is important to emphasize that the channel 11221 in the heat exchanger 1122 of this application can be used to introduce preheated and precooled fluids. When introducing preheated fluid, the adhesive used is one that can improve the curing rate through preheating, such as a thermally conductive adhesive. When introducing precooled fluid, the adhesive used needs to be one that can improve the curing rate through precooling, thereby improving the curing efficiency of the adhesive to form the adhesive layer 1123 and saving the preparation time of the battery module 1120. In addition, the channel 11221 can also be used during the charging and discharging process of the battery 1100. During the use of the battery 1100, coolant can be introduced into the channel 11221 to achieve cooling and heat exchange for the battery cells 1121.

[0196] Step C, Assembly: Assemble the cured battery module 1120 with the housing 1110 to form the battery 1100.

[0197] Specifically, the housing 1110 has an accommodating space 1113. After the adhesive is cured into an adhesive layer 1123, the battery cell 1121 and the heat exchanger 1122 are combined to form a battery module 1120. When there are multiple battery modules 1120, it is necessary to connect the multiple battery modules 1120. For example, the structural component 1125 in the above embodiment is used to connect the heat exchangers 1122 in adjacent battery modules 1120, thereby forming a structurally stable battery module.

[0198] In some examples, after the assembly step, the battery 1100 is connected to an external device for power supply, and coolant is introduced into the channel 11221.

[0199] Specifically, after the battery 1100 is manufactured, it needs to be connected to an external device for power supply. For example, the external device may include a testing device. That is, after the battery 1100 is manufactured, it needs to be tested for performance. The specific test contents include open circuit voltage test, internal resistance test, capacity test, cycle life test, temperature test, safety test and environmental adaptability test. In the above tests, the battery 1100 will be connected to the external circuit. The battery 1100 will charge and discharge and generate heat. At this time, coolant is introduced into the channel 11221 of the heat exchanger 1122 to cool the battery cell 1121.

[0200] In this example, the heat exchanger 1122 in the battery 1100 can be used to cure the adhesive to form the adhesive layer 1123. By passing preheated or precooled fluid into the channel 11221 of the heat exchanger 1122, heat exchange is performed on the adhesive, thereby increasing the curing rate of the adhesive and shortening the curing time, thus improving the production efficiency of the battery 1100. On the other hand, the heat exchanger 1122 can be used to cool and exchange heat on the battery cells 1121, thereby controlling the operating temperature of the battery 1100, reducing the risk of overheating of the battery 1100, and thus protecting the performance of the battery 1100.

[0201] The above are merely preferred embodiments of this application, and only specifically describe the technical principles of this application. These descriptions are only for explaining the principles of this application and should not be construed as limiting the scope of protection of this application in any way. Based on this explanation, any modifications, equivalent substitutions, and improvements made within the spirit and principles of this application, as well as other specific embodiments of this application that can be conceived by those skilled in the art without creative effort, should be included within the scope of protection of this application.

Claims

1. A battery, characterized in that, Each battery module includes at least one battery module, and each battery module includes: Battery cell; A heat exchanger having a heat exchange surface and channels formed thereon; An adhesive layer is disposed between the outer surface of the battery cell and the heat exchange surface to bond each battery cell to the heat exchange surface.

2. The battery as described in claim 1, characterized in that, The outer surface of the battery cell includes a bottom surface and a side surface, and the adhesive layer is disposed between the bottom surface and the heat exchange surface, or the adhesive layer is disposed between the side surface and the heat exchange surface.

3. The battery as described in claim 1, characterized in that, The battery module also includes a tube that is inserted into the channel.

4. The battery as described in claim 1 or 3, characterized in that, The channel is formed within the heat exchanger.

5. The battery as described in claim 3, characterized in that, The channel is a through-groove structure formed on the heat exchange surface and extending through the heat exchange surface.

6. The battery as claimed in claim 1, characterized in that, The adhesive layer is an adhesive layer that can be preheated and cured; or The adhesive layer is an adhesive layer that can be pre-cooled and cured.

7. The battery according to any one of claims 1-6, characterized in that, The heat exchanger has a first groove structure formed thereon, which avoids the heat exchange surface.

8. The battery according to any one of claims 1-6, characterized in that, The adhesive layer includes a first sub-adhesive layer and a second sub-adhesive layer; the heat exchange surface includes a first sub-heat exchange surface and a second sub-heat exchange surface arranged opposite to each other; the plurality of battery cells are divided into a first part and a second part; the bottom surface of each battery cell in the first part is connected to the first sub-heat exchange surface through the first sub-adhesive layer; and the bottom surface of each battery cell in the second part is connected to the second sub-heat exchange surface through the second sub-adhesive layer.

9. The battery as described in claim 7, characterized in that, The adhesive layer includes a first sub-adhesive layer and a second sub-adhesive layer; the heat exchange surface includes a first sub-heat exchange surface and a second sub-heat exchange surface arranged opposite to each other; the plurality of battery cells are divided into a first part and a second part; the bottom surface of each battery cell in the first part is connected to the first sub-heat exchange surface through the first sub-adhesive layer; the bottom surface of each battery cell in the second part is connected to the second sub-heat exchange surface through the second sub-adhesive layer; the first groove structure avoids the first sub-heat exchange surface and the second sub-heat exchange surface.

10. The battery as claimed in claim 9, characterized in that, The heat exchanger includes a first heat exchange section, a second heat exchange section, and a connecting section connecting the first heat exchange section and the second heat exchange section. The channel is formed on both the first heat exchange section and the second heat exchange section. The first heat exchange section, the second heat exchange section, and the connecting section together form the first groove structure. The first sub-heat exchange surface is located on the side of the first heat exchange section opposite to the first groove structure, and the second sub-heat exchange surface is located on the side of the second heat exchange section opposite to the first groove structure.

11. The battery as claimed in claim 10, characterized in that, The first heat exchange section, the second heat exchange section, and the connecting section are all plate-shaped. The plate surface of the first heat exchange section facing away from the second heat exchange section forms the first sub-heat exchange surface, and the plate surface of the second heat exchange section facing away from the first heat exchange section forms the second sub-heat exchange surface.

12. The battery according to any one of claims 1-11, characterized in that, The battery includes a structural component and multiple battery modules, which are arranged in an array. The heat exchange components in any two adjacent battery modules are connected through the structural component.

13. The battery as claimed in claim 12, characterized in that, The structural component is a rod-shaped structural component, and its two ends are connected to two adjacent heat exchange components.

14. The battery as claimed in claim 7, characterized in that, The battery also includes a housing, which forms an accommodating space, and the battery module is housed within the accommodating space; the housing has a bottom wall, on which a structural beam is formed, and the structural beam is inserted into the first slot structure.

15. The battery as claimed in claim 14, characterized in that, The battery also includes a locking assembly that connects the heat exchanger and the structural beam.

16. The battery as claimed in claim 15, characterized in that, The locking assembly is threadedly connected to the heat exchanger and the structural beam, respectively.

17. The battery as claimed in claim 16, characterized in that, The housing includes a first housing section and a second housing section, the first housing section and the second housing section are connected and together enclose the accommodating space; the structural beam is connected to the second housing section and is located within the accommodating space; the locking assembly connects the heat exchanger, the structural beam and the first housing section.

18. The battery as claimed in claim 17, characterized in that, A second groove structure is formed on one side of the first housing part that is opposite to the accommodating space. The second groove structure is disposed opposite to the heat exchanger. The locking assembly has a first locking end and a second locking end. The first locking end is connected to the structural beam and the heat exchanger. The second locking end is connected to the first housing part and extends outward into the groove space of the second groove structure.

19. An electrical appliance, characterized in that, The electrical device includes the battery as described in any one of claims 1-18.

20. A method for assembling a battery, characterized in that, For assembling the battery as described in any one of claims 1-18, the assembly method includes: The battery module is prefabricated so that each battery cell is connected to the heat exchanger using an adhesive. The curing process involves introducing fluid into the channel, the fluid being used to heat or cool the adhesive to cure it and form the adhesive layer. Assembly involves assembling the cured battery module with the housing to form the battery.

21. The assembly method as described in claim 20, characterized in that, After the assembly step, the battery is connected to an external testing device for power supply, and coolant is introduced into the channel.

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