Battery and electric equipment

Abstract

The utility model provides a battery and electric equipment, and relates to the technical field of batteries. The battery comprises a top plate, a bottom plate, a plurality of assembling components and a plurality of connecting pieces, each assembling component comprises a heat conducting plate and a battery monomer, each heat conducting plate is provided with at least one battery monomer, the top plate, the plurality of assembling components and the bottom plate are sequentially arranged in a stacked mode, and the top plate, the plurality of assembling components and the bottom plate are connected through the plurality of connecting pieces. The battery is formed by sequentially stacking, arranging and connecting the top plate, the multiple assembling assemblies and the bottom plate, each assembling assembly is formed by assembling the battery single body and the heat conduction plate, heat dissipation of the battery single body can be achieved through the heat conduction plate, and therefore the problem that heat dissipation of the interior of the battery is difficult is solved. Meanwhile, the battery is simple in structure, good in reliability and high in energy density.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of batteries, in particular to a battery and a power consumption device. BACKGROUND

[0002] At present, with the continuous development of the new energy field, the battery capacity is also getting larger and larger, and the heat dissipation of the battery pack is one of the important technical problems in the new energy field.

[0003] Among various types of large-capacity batteries, the grouping and heat dissipation of large-capacity soft package batteries are more challenging. The heat dissipation modes of large-capacity soft package batteries mainly include air cooling, liquid cooling and heat dissipation of heat-conducting materials. The cost performance of air cooling is relatively high, but some dust impurities will be brought in during the air cooling heat dissipation process. The dust impurities attached to the surface of the battery pack will affect the heat dissipation efficiency and also reduce the service life of the battery pack. CONTENT OF THE UTILITY MODEL

[0004] The purpose of the embodiments of the present application is to provide a battery and a power consumption device which can improve the technical problem that the battery is difficult to dissipate heat.

[0005] In a first aspect, the embodiments of the present application provide a battery, which comprises a top plate, a bottom plate, a plurality of assembly components and a plurality of connecting pieces. Each assembly component comprises a heat-conducting plate and a battery monomer. Each heat-conducting plate is assembled with at least one battery monomer. The top plate, the plurality of assembly components and the bottom plate are arranged in sequence and stacked. The top plate, the plurality of assembly components and the bottom plate are connected through the plurality of connecting pieces.

[0006] In the above implementation process, the battery of the present application is connected by the top plate, the plurality of assembly components and the bottom plate arranged in sequence and stacked. Each assembly component is assembled by a battery monomer and a heat-conducting plate. The battery monomer can dissipate heat through the heat-conducting plate, thereby improving the problem that the battery is difficult to dissipate heat. At the same time, the battery of the present application has a simple structure, good reliability and high energy density.

[0007] In a possible implementation, the top plate, the plurality of assembly components and the bottom plate are respectively provided with a plurality of corresponding locking holes. The plurality of connecting pieces pass through the plurality of locking holes correspondingly to connect the top plate, the plurality of assembly components and the bottom plate.

[0008] In the above implementation process, the top plate, the plurality of assembly components and the bottom plate are connected by the plurality of connecting pieces passing through the plurality of corresponding locking holes. The connection method is simple and firm.

[0009] In a possible implementation, the assembly component has opposite first and second surfaces. The first surface is provided with a boss, and the second surface is provided with a groove matched with the boss. The adjacent two assembly components are positioned by the boss and the groove.

[0010] In the implementation process, since the plurality of assembly components are not connected by the plurality of connecting pieces, misalignment and other problems may occur when the plurality of assembly components are arranged in a stacked manner. By arranging the protrusions and the recesses on opposite sides of each assembly component, the adjacent two assembly components can be positioned by the protrusions and the recesses when arranged in a stacked manner, thereby avoiding misalignment and other problems. After the top plate, the plurality of assembly components, and the bottom plate are arranged in a stacked manner, the plurality of connecting pieces can be directly used for connection without the need for repositioning.

[0011] In a possible implementation, the assembly component further includes a first positioning support and a second positioning support, the first positioning support and the second positioning support are respectively provided with protrusions, and the heat-conducting plate is provided with a first through hole and a second through hole at two ends thereof, the heat-conducting plate is sleeved with the protrusion of the first positioning support through the first through hole and is sleeved with the protrusion of the second positioning support through the second through hole.

[0012] In the implementation process, the heat-conducting plate is sleeved with the protrusion of the first positioning support through the first through hole and is sleeved with the protrusion of the second positioning support through the second through hole, so that the first positioning support and the second positioning support are respectively connected at two ends of the heat-conducting plate.

[0013] In a possible implementation, the battery further includes a heat-absorbing component, and the heat-absorbing component is attached to the heat-conducting plate of the plurality of assembly components.

[0014] In the implementation process, the heat-absorbing component can absorb heat of the heat-conducting plate, and the heat-conducting plate can improve the heat dissipation effect of the battery.

[0015] In a possible implementation, the heat-conducting plate extends to a heat-dissipating edge, and the heat-dissipating edge is attached to the heat-absorbing component.

[0016] In the implementation process, the heat-dissipating edge can increase the contact area of the heat-conducting plate and the heat-absorbing component, thereby increasing the heat exchange efficiency of the heat-conducting plate and the heat-absorbing component and improving the heat dissipation effect of the battery.

[0017] In a possible implementation, the battery further includes a welding plate, a total negative connecting part, a total positive connecting part, and a plurality of welding connecting pieces, the total negative connecting part, the total positive connecting part, and the plurality of welding connecting pieces are arranged on the welding plate, the tabs of the battery monomers are welded to the welding connecting pieces, part of the welding connecting pieces are connected to the total positive connecting part, and the remaining welding connecting pieces are connected to the total negative connecting part.

[0018] In a possible implementation, the assembly component further includes a plurality of insulating films, and the insulating films are arranged between the battery monomers and the heat-conducting plate.

[0019] In the implementation process, if the heat-conducting plate is made of an electrically conductive material, the insulating films need to be arranged between the battery monomers and the heat-conducting plate to prevent conduction between the battery monomers and the heat-conducting plate.

[0020] In a possible implementation, the battery further comprises a silica gel pad, and the silica gel pad is arranged between the top plate and the assembly component and between the bottom plate and the assembly component.

[0021] In the implementation process, the silica gel pad arranged between the top plate and the assembly component and between the bottom plate and the assembly component can play a buffering role.

[0022] In a second aspect, the embodiments of the present application provide a power-using device, which comprises the battery in the above embodiments, and the battery is used to provide electric energy. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some of the embodiments of the present application, and therefore should not be regarded as a limitation to the scope. For those skilled in the art, other related drawings can also be obtained without creative labor.

[0024] Figure 1 FIG. 1 is a structural schematic diagram of the battery of the embodiments of the present application;

[0025] Figure 2 FIG. 2 is an exploded view of the battery of the embodiments of the present application;

[0026] Figure 3 FIG. 3 is a side view of the battery of the embodiments of the present application;

[0027] Figure 4 FIG. 4 is a structural schematic diagram of the assembly component of the embodiments of the present application;

[0028] Figure 5 FIG. 5 is a partial structural schematic diagram of the assembly component of the embodiments of the present application; Figure 4

[0029] FIG. 6 is a side view of the assembly component of the embodiments of the present application; Figure 6

[0030] FIG. 7 is a partial structural schematic diagram of the assembly component of the embodiments of the present application; Figure 7 Figure 6 FIG. 8 is a back view of the assembly component of the embodiments of the present application.

[0031] Figure 8

[0032] ​​Icon: 10-battery; 100-top plate; 200-bottom plate; 201-positioning column; 300-assembly component; 301-first surface; 302-second surface; 303-boss; 304-groove; 305-positioning hole; 310-heat-conducting plate; 311-heat-dissipation edge; 320-battery monomer; 330-first positioning support; 340-second positioning support; 400-connector; 401-locking hole; 500-heat-absorbing component; 600-silica gel pad; 700-welding plate; 710-total negative connecting part; 720-total positive connecting part; 730-welding connecting sheet. DETAILED DESCRIPTION

[0033] In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings can be arranged and designed in various different configurations.

[0034] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present application without creative labor are within the scope of protection of the present application.

[0035] It should be noted that: similar reference numerals and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0036] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship when the product of the present application is usually placed, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" and the like are only used for differentiation in description, and cannot be understood as indicating or implying relative importance.

[0037] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components must be absolutely horizontal or overhanging, but can be slightly inclined. For example, "horizontal" only means that its direction is relatively more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0038] In the description of the present application, it should be noted that unless specifically defined and limited, the terms "set", "install", "connect", "connect" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0039] Please refer to Figures 1-4 The present application provides a battery 10, which comprises a top plate 100, a bottom plate 200, a plurality of assembly components 300 and a plurality of connecting pieces 400.

[0040] The top plate 100 and the bottom plate 200 are respectively used to encapsulate the top and bottom of the battery 10.

[0041] The assembly component 300 comprises a heat-conducting plate 310 and a battery monomer 320, the battery monomer 320 is arranged on the surface of the heat-conducting plate 310, and the battery monomer 320 and the heat-conducting plate 310 are attached, the heat-conducting plate 310 is used for heat exchange with the battery monomer 320, and the heat dissipation effect inside the battery 10 is improved, and each heat-conducting plate 310 is assembled with at least one battery monomer 320.

[0042] In the embodiment as Figures 1-4 shown, each heat-conducting plate 310 is assembled with one battery monomer 320. In some other embodiments of the present application, each heat-conducting plate 310 can be assembled with two, three or more battery monomers 320, and a plurality of battery monomers 320 can be arranged in sequence on the surface of the heat-conducting plate 310, or arranged in sequence on the surface of the heat-conducting plate 310.

[0043] It should be noted that the number of assembly components 300 in the battery 10 of the present application is selected according to actual needs. If more battery monomers 320 are needed to be assembled, more assembly components 300 need to be configured to match the battery monomers 320; if only a small number of battery monomers 320 are needed, only a small number of assembly components 300 need to be configured to match the battery monomers 320.

[0044] In the embodiment of the present application, the top plate 100, the bottom plate 200 and the heat-conducting plate 310 of the assembly component 300 are all made of aluminum or aluminum alloy and other materials with high thermal conductivity, which has good heat dissipation, high strength, light weight and good reliability, so that it not only can play the role of fastening and fixing the battery monomer 320, but also can play the effect of heat dissipation.

[0045] The top plate 100, the plurality of assembly components 300 and the bottom plate 200 are arranged in sequence, and the top plate 100, the plurality of assembly components 300 and the bottom plate 200 are connected through the plurality of connecting pieces 400.

[0046] Optionally, the top plate 100, the plurality of assembly components 300 and the bottom plate 200 are respectively provided with a plurality of corresponding locking holes 401, when the top plate 100, the plurality of assembly components 300 and the bottom plate 200 are arranged in sequence, the corresponding locking holes 401 of the top plate 100, the plurality of assembly components 300 and the bottom plate 200 are aligned in sequence, and the plurality of connecting pieces 400 pass through the plurality of locking holes 401 to connect the top plate 100, the plurality of assembly components 300 and the bottom plate 200.

[0047] Further, the top plate 100, the plurality of assembly components 300 and the bottom plate 200 respectively have opposite two ends, and the plurality of corresponding locking holes 401 are distributed on the two ends of the top plate 100, the plurality of assembly components 300 and the bottom plate 200, which is beneficial to the stable connection of the top plate 100, the plurality of assembly components 300 and the bottom plate 200 through the connecting pieces 400 passing through the locking holes 401.

[0048] In the embodiment as shown in the figure, Figures 1-4 The top plate 100, each assembly component 300 and the bottom plate 200 are respectively provided with ten corresponding locking holes 401, each end of the top plate 100, each assembly component 300 and the bottom plate 200 is respectively provided with five corresponding locking holes 401, and the five locking holes 401 at the same end are arranged at intervals. The connecting piece 400 is a nut, when the top plate 100, the plurality of assembly components 300 and the bottom plate 200 are arranged in sequence, the corresponding locking holes 401 of the top plate 100, the plurality of assembly components 300 and the bottom plate 200 are aligned in sequence, and ten nuts pass through the plurality of locking holes 401 to connect the top plate 100, the plurality of assembly components 300 and the bottom plate 200.

[0049] The top plate 100, the plurality of assembly components 300 and the bottom plate 200 are connected through the plurality of corresponding locking holes 401, the connection method is simple and firm.

[0050] Please refer to Figures 4-8 Optionally, the assembly component 300 has opposite first and second faces 301 and 302, the first face 301 is provided with a boss 303, the second face 302 is provided with a groove 304 matched with the boss 303, and the adjacent two assembly components 300 are positioned through the boss 303 and the groove 304.

[0051] When the plurality of assembly components 300 are arranged in a stacked manner, since they are not yet connected by the plurality of connecting pieces 400, misalignment and the like can be found. By respectively providing the boss 303 and the recess 304 on the opposite two sides of each assembly component 300, the adjacent two assembly components 300 can be positioned by the boss 303 and the recess 304 when arranged in a stacked manner, so as to avoid misalignment and the like, and after the stacked arrangement of the top plate 100, the plurality of assembly components 300 and the bottom plate 200 is completed, the connection can be directly realized by the plurality of connecting pieces 400, without the need for repositioning.

[0052] Further, the assembly component 300 further comprises a first positioning bracket 330 and a second positioning bracket 340, the first positioning bracket 330 and the second positioning bracket 340 are respectively provided with the boss 303, the heat conduction plate 310 is respectively provided with a first through hole and a second through hole at two ends, and the heat conduction plate 310 is sleeved on the boss 303 of the first positioning bracket 330 through the first through hole (not shown in the figure) and is sleeved on the boss 303 of the second positioning bracket 340 through the second through hole (not shown in the figure).

[0053] In the embodiment as shown in Figures 4-8 , the first positioning bracket 330 and the second positioning bracket 340 also have the opposite first side 301 and the second side 302, the first side 301 of the first positioning bracket 330 and the second positioning bracket 340 is respectively provided with two bosses 303, the second side 302 of the first positioning bracket 330 and the second positioning bracket 340 is respectively provided with two recesses 304, and the boss 303 and the recess 304 are in position correspondence, the two bosses 303 on the first side 301 and the two recesses 304 on the second side 302 of the first positioning bracket 330 are respectively arranged at the two end portions of the first positioning bracket 330, and the two bosses 303 on the first side 301 and the two recesses 304 on the second side 302 of the second positioning bracket 340 are respectively arranged at the two end portions of the second positioning bracket 340.

[0054] It should be noted that the locking hole 401 of the assembly component 300 can also be arranged on the first positioning bracket 330 and the second positioning bracket 340, in the embodiment as shown in Figures 4-8 , the first positioning bracket 330 and the second positioning bracket 340 are respectively provided with five locking holes 401, and the five locking holes 401 are arranged at intervals.

[0055] The heat conduction plate 310 is sleeved on the boss 303 of the first positioning bracket 330 through the first through hole and is sleeved on the boss 303 of the second positioning bracket 340 through the second through hole, so as to be respectively connected with the first positioning bracket 330 and the second positioning bracket 340 at two ends.

[0056] Please refer to Figure 2 , 48. The base plate 200 is provided with a positioning post 201 on the side near the assembly component 300, and at least the assembly component 300 near the base plate 200 is provided with a positioning hole 305. The base plate 200 and the assembly component 300 near the base plate 200 are positioned by the positioning post 201 and the positioning hole 305.

[0057] When the base plate 200 and multiple assembly components 300 are stacked, misalignment or other issues may occur because they are not yet connected by multiple connectors 400. By setting a positioning post 201 on the side of the base plate 200 near the assembly component 300, and setting a positioning hole 305 on at least the assembly component 300 near the base plate 200, the base plate 200 and the assembly component 300 near the base plate 200 can be positioned by the positioning post 201 and the positioning hole 305, thereby avoiding misalignment and other issues. After the top plate 100, multiple assembly components 300, and base plate 200 are stacked, they can be directly connected by multiple connectors 400 without the need for repositioning.

[0058] In such Figure 2 , 4 In embodiments 8 and 9, the base plate 200 has four positioning posts 201, the base plate 200 has two opposite ends, each end of the base plate 200 is provided with two positioning posts 201, and the two positioning posts 201 located at the same end are arranged opposite to each other. At least the first positioning bracket 330 and the second positioning bracket 340 of the assembly assembly 300 near the base plate 200 are respectively provided with two positioning holes 305.

[0059] Please see Figure 3 The battery 10 also includes a heat-absorbing component 500, which is attached to the heat-conducting plate 310 of the plurality of assembly components 300.

[0060] The heat-absorbing component 500 can absorb the heat from the heat-conducting plate 310, thereby improving the heat dissipation effect of the battery 10 in conjunction with the heat-conducting plate 310.

[0061] In this embodiment, the heat-absorbing component 500 is a sealed shell containing a liquid with a high specific heat capacity. The sealed shell is made of a material with a high thermal conductivity, such as aluminum and its alloys. The sealed shell can quickly conduct away the heat generated by the battery cell 320 and absorb it with the liquid with a high specific heat capacity in the sealed shell, thereby improving the heat dissipation effect of the battery 10. The liquid with a high specific heat capacity can be water.

[0062] Please continue reading. Figures 3-4 Optionally, the heat-conducting plate 310 extends into a heat-dissipating edge 311, which is attached to the heat-absorbing component 500.

[0063] The heat dissipation edge 311 can increase the contact area of the heat conduction plate 310 and the heat absorption assembly 500, thereby increasing the heat exchange efficiency of the heat conduction plate 310 and the heat absorption assembly 500, and improving the heat dissipation effect of the battery 10.

[0064] In the embodiments shown in FIGS. Figures 3-4 , 6 and 8, the heat absorption assembly 500 is arranged on the side of the heat conduction plate 310 of the assembly component 300, the heat absorption assembly 500 is perpendicular to the heat conduction plate 310, the heat dissipation edge 311 is also arranged on the side of the heat conduction plate 310, and the heat dissipation edge 311 is also perpendicular to the heat conduction plate 310, so that the heat dissipation edge 311 can completely adhere to the surface of the sealed shell of the heat absorption assembly 500, thereby increasing the contact area of the heat conduction plate 310 and the heat absorption assembly 500, increasing the heat exchange efficiency of the heat conduction plate 310 and the heat absorption assembly 500, and improving the heat dissipation effect of the battery 10.

[0065] The assembly component 300 further comprises a plurality of insulating films (not shown in the figure), and the insulating films are arranged between the battery monomer 320 and the heat conduction plate 310.

[0066] If the heat conduction plate 310 is made of conductive material, an insulating film needs to be arranged between the battery monomer 320 and the heat conduction plate 310 to prevent conduction between the battery monomer 320 and the heat conduction plate 310; if the heat conduction plate 310 is made of insulating material, an insulating film does not need to be arranged between the battery monomer 320 and the heat conduction plate 310.

[0067] It should be noted that when the heat conduction plate 310 is made of conductive material, insulating films need to be arranged on the top side and the bottom side of the battery monomer 320, i.e., an insulating film needs to be arranged between the battery monomer 320 and the heat conduction plate 310 on the top side and an insulating film needs to be arranged between the battery monomer 320 and the heat conduction plate 310 on the bottom side, and the assembly component 300 comprises the insulating films, the battery monomer 320, the insulating films and the heat conduction plate 310 arranged in sequence.

[0068] Please continue to refer to Figure 1 and 2 The battery 10 further comprises a silica gel pad 600, and the silica gel pad 600 is arranged between the top plate 100 and the assembly component 300 and between the bottom plate 200 and the assembly component 300.

[0069] Arranging the silica gel pad 600 between the top plate 100 and the assembly component 300 and between the bottom plate 200 and the assembly component 300 can play a buffering role.

[0070] Please continue to refer to Figure 1 and 2The battery 10 further comprises a welding plate 700, a total negative connecting portion 710, a total positive connecting portion 720 and a plurality of welding connecting pieces 730, the total negative connecting portion 710, the total positive connecting portion 720 and the plurality of welding connecting pieces 730 are arranged on the welding plate 700, the tab of the battery cell 320 is welded to the welding connecting piece 730, part of the welding connecting pieces 730 are connected to the total positive connecting portion 720, and the remaining welding connecting pieces 730 are connected to the total negative connecting portion 710.

[0071] The plurality of battery cells 320 form a series circuit and / or a parallel circuit between the total positive connecting portion 720 and the total negative connecting portion 710 of the battery 10 through the plurality of welding connecting pieces 730.

[0072] The series bending connecting tab is bent from the outside of the welding connecting piece 730 to extend above the welding connecting piece 730 and welded by laser; the total positive bending connecting tab is bent from the outside of the total positive bus bar to extend above the bus bar and welded by laser; and the total negative bending connecting tab is bent from the outside of the total negative bus bar to extend above the bus bar and welded by laser.

[0073] The battery 10 of the present application is connected by being arranged in sequence in layers by the top plate 100, the plurality of assembly components 300 and the bottom plate 200, wherein each assembly component 300 is assembled by the battery cell 320 and the heat conduction plate 310, the battery cell 320 can be cooled by the heat conduction plate 310, thereby improving the problem of difficult heat dissipation in the battery 10. At the same time, the battery 10 of the present application has simple structure, good reliability and high energy density.

[0074] The present application further provides a power consuming device comprising the battery 10 in the above-mentioned embodiments, and the battery 10 is used to provide electric energy.

[0075] The above only describes the preferred embodiments of the present application and is not used to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A battery, characterized by, The battery comprises a top plate, a bottom plate, a plurality of assembly components and a plurality of connecting pieces; Each of the assembly components comprises a heat-conducting plate and a battery cell, and each of the heat-conducting plates is assembled with at least one of the battery cells; The top plate, the plurality of assembly components and the bottom plate are arranged in sequence and are connected through the plurality of connecting pieces.

2. The battery of claim 1, wherein, The top plate, the plurality of assembly components and the bottom plate are respectively provided with a plurality of corresponding locking holes, and the plurality of connecting pieces pass through the plurality of locking holes to connect the top plate, the plurality of assembly components and the bottom plate.

3. The battery of claim 1, wherein, The assembly component has opposite first and second faces, the first face is provided with a boss, the second face is provided with a groove matched with the boss, and two adjacent assembly components are positioned through the boss and the groove.

4. The battery of claim 3, wherein, The assembly component further comprises first and second positioning supports, the first and second positioning supports are respectively provided with the boss, and the heat-conducting plate is provided with a first through hole and a second through hole at two ends thereof, the heat-conducting plate is sleeved with the boss of the first positioning support through the first through hole and is sleeved with the boss of the second positioning support through the second through hole.

5. The battery of claim 1, wherein, The battery further comprises a heat-absorbing component, and the heat-absorbing component is attached to the heat-conducting plates of the plurality of assembly components.

6. The battery of claim 5, wherein, The heat-conducting plate extends a heat-dissipating edge, and the heat-dissipating edge is attached to the heat-absorbing component.

7. The battery according to any one of claims 1 to 6, characterized in that The battery further comprises a welding plate, a total negative connecting part, a total positive connecting part and a plurality of welding connecting pieces, the total negative connecting part, the total positive connecting part and the plurality of welding connecting pieces are arranged on the welding plate, the tabs of the battery cells are welded to the welding connecting pieces, part of the welding connecting pieces are connected to the total positive connecting part, and the remaining welding connecting pieces are connected to the total negative connecting part.

8. The battery according to any one of claims 1 to 6, characterized in that The assembly component further comprises a plurality of insulating films, and the insulating films are arranged between the battery cells and the heat-conducting plates.

9. The battery according to any one of claims 1 to 6, characterized by The battery further comprises a silica gel pad, and the silica gel pad is arranged between the top plate and the assembly components and between the bottom plate and the assembly components.

10. An electric device, characterized by The battery is used to provide electric energy.

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