WO2024175095A1 - Battery module and battery - Google Patents

Abstract

A battery module (12) and a battery (1). The battery module (12) comprises: a cell (121), wherein end surfaces (1211) are provided at two ends of the cell (121) in an extending direction thereof, a tab (1212) is formed on at least one of the two end surfaces (1211), and the cell (121) is provided with a top surface (1213), a bottom surface and side surfaces which are connected to the two end surfaces (1211); and an adapter (122), wherein at least part of the adapter (122) is connected to the tab (1212) of the end surface (1211), and at least another part of the adapter (122) extends to the top surface (1213).

Description

Battery modules and batteries

CROSS-REFERENCE TO RELATED APPLICATIONS

This application is based on the Chinese patent application with application number 202320319660.0 and application date February 24, 2023, and claims the priority of the Chinese patent application. The entire content of the Chinese patent application is hereby introduced into this application as a reference.

Technical Field

The present application relates to the field of battery technology, and in particular to a battery module and a battery.

Background Art

Lithium-ion batteries are a type of secondary battery. They are widely used in electric vehicles, electric tricycles, power tools, digital products and other fields due to their high energy, long life and no memory effect. According to the appearance classification, lithium-ion batteries mainly include square batteries, cylindrical batteries and soft-pack batteries. Among them, square cells have the advantages of high packaging reliability, high system energy efficiency, relatively simple structure, and relatively convenient capacity expansion, so they have been widely used. The tabs of traditional square cells are generally located at the top of the cell, but this type of tab layout will lead to high cell costs. For some cells with larger widths, it will also lead to problems such as difficulty in production and long top cover welding length. To solve the problem, the current general method is to layout the tabs on both sides of the cell.

In the related art, in the power battery system with the square cell tabs arranged sideways, the busbar connection and the sampling connection are arranged on both sides of the cell arrangement direction, so welding, wiring and other operations need to be performed on the side of the cell, which makes the cell assembly difficult and the production defect rate high. Once the sampling unit damages the power battery system, it will be difficult to repair because the maintenance parts are located on both sides of the cell, further causing problems such as high manufacturing cost and high defect rate.

Application Contents

The present application aims to solve one of the above-mentioned technical problems in the prior art at least to a certain extent.

In view of this, the present application needs to provide a battery module. According to the battery module of the present application, by providing a battery cell and an adapter, a pole ear is formed on the end face of the battery cell, so that at least part of the adapter is connected to the pole ear on the end face, and at least another part of the adapter extends to the top face of the battery cell, so that the adapter can lead the current in the pole ear on the end face to the top face of the battery cell, thereby improving the convenience of assembly and disassembly of the battery cell, improving the production efficiency, production yield and maintenance convenience of the battery cell, and saving economic costs.

The present application also provides a battery comprising a shell and a battery module.

The battery module provided in the present application includes: a battery cell, wherein end surfaces are arranged at both ends of the battery cell in the extension direction. A pole ear is formed on at least one of the two end faces, and the battery cell is formed with a top surface, a bottom surface and a side surface connecting the two end faces; a transition piece, at least a portion of the transition piece is connected to the pole ear of the end face, and at least another portion of the transition piece extends to the top surface.

The present application forms a pole ear on at least one of the two end faces of the battery cell by setting a battery cell and an adapter, at least a portion of the adapter is connected to the pole ear on the end face, and at least another portion of the adapter is extended to the top face of the battery cell, so that the current in the pole ear on the end face can be led to the top face through the adapter, so that the connection between the pole ear on the end face and some other components in the battery module can be converted into a connection between at least another portion of the adapter on the top face and some other components in the battery module. Therefore, the welding, wiring and other operations of the battery cell in the present application are all performed on the top face of the battery cell, so that the assembly and replacement of the battery cell are easier, and the maintenance convenience of some other components in the battery module connected to the adapter is higher, the battery cell production yield is higher, and economic costs are saved.

In addition, the battery module according to the above embodiment of the present application may also have the following additional technical features:

According to an example of the present application, the battery cell is constructed in a plurality and is stacked in sequence in the thickness direction, and the adapter is constructed in a plurality and connects the tabs on the end surfaces on the same side of two adjacent battery cells.

According to an example of the present application, the battery module further includes: a sampling plate, wherein the sampling plate is respectively connected to the plurality of adapters located at one end on the same side of the battery cell.

According to an example of the present application, each of the adapters includes: a conduit, which is arranged on the top surface of the battery cell and is suitable for connecting to the sampling plate; and a connecting section, which is connected to the conduit and extends to the end surface of the battery cell and is connected to the pole ear.

According to an example of the present application, the connecting section is constructed in plurality and is respectively connected to the tabs at one end of the same side of the plurality of battery cells.

According to an example of the present application, the sampling plate is disposed on the top surface and is respectively connected to a plurality of the conduits.

According to an example of the present application, the battery module further includes: a sampling connector, which is structured in multiples and one end of each sampling connector is connected to the sampling plate, and the other end of the sampling connector is connected to the corresponding conduit.

According to an example of the present application, the battery module also includes: a first insulating member and a second insulating member, the first insulating member and the second insulating member are respectively arranged on the top surfaces of the plurality of battery cells and are spaced apart in the extension direction of the battery cells, the first insulating member and the second insulating member respectively cover the busbars at both ends of the top surface of each of the battery cells; and a pressure plate, the pressure plate covers the top surface of the battery cells and is located between the first insulating member and the second insulating member.

The battery provided according to the present application includes: a shell having a receiving cavity formed therein; and a battery module, which is arranged in the receiving cavity and is constructed as the battery module described in any one of the above embodiments.

The battery according to the present application includes a shell and a battery module as described in any one of the above embodiments. Since the battery according to the present application includes a shell and a battery module as described in any one of the above embodiments, an adapter is provided in the battery module of the battery to enable the adapter to conduct the current on the pole ear on the end surface to the top surface, and the sampling plate can also be connected to the pole ear on the top surface, thereby facilitating the assembly and disassembly of the battery cell, and is more conducive to the production yield of the battery cell and saving manufacturing costs.

According to an example of the present application, the battery module is constructed in multiple numbers, and a module connector is provided between two adjacent battery modules, and the module connector connects the adapters of the two adjacent battery modules.

Additional aspects and advantages of the present application will be given in part in the description below, and in part will become apparent from the description below, or will be learned through the practice of the present application.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram of a partial battery structure according to an embodiment of the present application;

2 is a schematic diagram of a first insulating member, a second insulating member and a pressing plate in a battery according to an embodiment of the present application;

FIG3 is a schematic diagram of the arrangement of tabs in a single battery module according to an embodiment of the present application;

FIG. 4 is a schematic diagram of the arrangement of adapters in a single battery module according to an embodiment of the present application.

Reference numerals:
Battery 1;
Shell 11, battery module 12, battery cell 121, end surface 1211, tab 1212, top surface 1213, adapter 122,
The confluence portion 1221 , the connection section 1222 , the sampling plate 124 , the sampling connection piece 1241 , the first insulating piece 125 , the second insulating piece 126 , the pressing plate 127 , and the module connection piece 13 .

DETAILED DESCRIPTION

The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present application, and should not be construed as limiting the present application.

The disclosure below provides many different embodiments or examples to realize the different structures of the present application. In order to simplify the disclosure of the present application, the parts and settings of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the present application. In addition, the present application can repeat reference numbers and/or letters in different examples. This repetition is for the purpose of simplification and clarity, and does not indicate the relationship between the various embodiments and/or settings discussed in itself. In addition, the various specific processes and examples of materials provided by the present application, but those of ordinary skill in the art can appreciate the applicability of other processes and/or the use of other materials.

Lithium-ion batteries are secondary batteries that are widely used due to their high energy, long life, and no memory effect. Used in electric vehicles, electric tricycles, power tools, digital products and other fields. According to the appearance classification, lithium-ion batteries mainly include square batteries, cylindrical batteries and soft-pack batteries. Among them, square batteries have the advantages of high packaging reliability, high system energy efficiency, relatively simple structure, and relatively convenient capacity expansion, so they have been widely used. The tabs of traditional square batteries are generally located at the top of the battery cell, but this kind of tab layout will lead to high battery cell costs. For some batteries with larger widths, it will also lead to problems such as difficulty in production and long top cover welding length. To solve the problem, the current general method is to layout the tabs on both sides of the battery cell.

In the related art, in the power battery system with the square cell tabs arranged sideways, the busbar connection and the sampling connection are arranged on both sides of the cell arrangement direction, so welding, wiring and other operations need to be performed on the side of the cell, which makes the cell assembly difficult and the production defect rate high. Once the sampling unit damages the power battery system, it will be difficult to repair because the maintenance parts are located on both sides of the cell, further causing problems such as high manufacturing cost and high defect rate.

The battery module 12 according to an embodiment of the present application is described below with reference to FIGS. 1 to 4 .

The battery module 12 according to the present application includes a battery cell 121 and an adapter 122. The battery cell 121 is suitable for storing electrical energy and providing power. The battery cell 121 is provided with end faces 1211 at both ends in the extension direction. The layout of the tabs 1212 in the present application may be that a positive tab 1212 and a negative tab 1212 are formed on any one of the two end faces 1211. The layout of the tabs 1212 in the present application may also be that a positive tab 1212 and a negative tab 1212 are formed on the two end faces 1211, respectively. The battery cell 121 is formed with a top surface 1213, a bottom surface and a side surface connecting the two end surfaces 1211; at least a portion of the adapter 122 is connected to the pole ear 1212 on the end surface 1211, and at least another portion of the adapter 122 extends to the top surface 1213. The adapter 122 is suitable for conducting the current in the pole ear 1212 on the end surface 1211 to the top surface 1213 of the battery cell 121.

The present application forms a tab 1212 on at least one of the two end surfaces 1211 of the battery cell 121 by providing a battery cell 121 and an adapter 122, at least a portion of the adapter 122 is connected to the tab 1212 of the end surface 1211, and at least another portion of the adapter 122 is extended to the top surface 1213 of the battery cell 121, so that the current in the tab 1212 on the end surface 1211 can be led to the top surface 1213 through the adapter 122, so that the tab 1212 on the end surface 1211 is connected to the battery mold. The connection of some other components in the group 12 can be converted into a connection between at least another part of the adapter 122 on the top surface 1213 and some other components in the battery module 12. Therefore, the welding, wiring and other operations of the battery cell 121 in the present application are all performed on the top surface 1213 of the battery cell 121, so that the assembly and replacement of the battery cell 121 are easier, and the maintenance convenience of some other components in the battery module 12 connected to the adapter 122 is higher, the production yield of the battery cell 121 is higher, and economic costs are saved.

In addition, in some specific embodiments of the present application, the battery cell 121 is constructed as a square battery cell 121; the adapter 122 can be connected to the pole ear 1212 by welding or other electrical connection methods; an insulating layer is formed on the surface of the adapter 122 to improve the working safety and reliability of the adapter 122.

According to one embodiment of the present application, the battery cell 121 is configured as a plurality of battery cells, and the plurality of battery cells 121 are arranged in a thickness direction. The adapter 122 is configured as a plurality of adapters 122, and each adapter 122 can connect the tabs 1212 on the same side end faces 1211 of two adjacent battery cells 121. In some embodiments, the plurality of battery cells 121 are stacked sequentially in the thickness direction, and the plurality of adapters 122 are sequentially adjacently arranged along the stacking direction of the battery cells 121, wherein at least a portion of each adapter 122 is connected to the tabs 1212 on the same side end faces 1211 of two adjacent battery cells 121. By arranging multiple battery cells 121 and multiple adapters 122, at least a portion of each adapter 122 is connected to the pole ears 1212 on the same side end faces 1211 of two adjacent battery cells 121, and at least another portion of each adapter 122 extends to the top faces 1213 of the corresponding two battery cells 121. Therefore, while the adapter 122 realizes the conversion of the pole ear 1212 current of the battery cell 121 output from the end face 1211 into output from the top face 1213, the adapter 122 also has the function of constraining the position of the stacked battery cells 121, so that the battery cells 121 can be more stable and reliable in the battery module 12.

According to an embodiment of the present application, the battery module 12 further includes a sampling plate 124, and the sampling plate 124 is respectively connected to a plurality of adapters 122 located at one end on the same side of the battery cell 121. In some embodiments, since the adapter 122 is connected to the pole tab 1212, by respectively connecting the sampling plate 124 to the plurality of adapters 122 located at one end on the same side of the battery cell 121, the current of the pole tab 1212 on the end surface 1211 can be led to the sampling plate 124 through the adapter 122, so that the sampling plate 124 can be connected to the pole tab 1212, thereby realizing that the sampling plate 124 can collect and transmit the data of the battery module, so as to monitor the working status and performance of the battery module, and provide it to the relevant battery 1 system for decision-making and regulation, so as to enable the battery module to work better.

According to an embodiment of the present application, each adapter 122 includes a conduit 1221 and a connecting section 1222. In this embodiment, the conduit 1221 is arranged on the top surface 1213 of the battery cell 121, and the conduit 1221 is suitable for connecting with the sampling plate 124; in this embodiment, the connecting section 1222 is connected to the conduit 1221 and extends to the end surface 1211 of the battery cell 121 and is connected to the tab 1212. That is, after the current flows out from the tab 1212, it flows into the sampling plate 124 through the connecting section 1222 and the conduit 1221 in sequence, so as to realize the conduction of the current between the sampling plate 124 and the battery module. By providing the confluence portion 1221 and the connection section 1222, the confluence portion 1221 and the connection section 1222 are respectively located on the top surface 1213 and the end surface 1211 of the battery cell 121, so that when the tab 1212 of the battery cell 121 is arranged at the end surface 1211, the confluence portion 1221 of the battery cell 121 is located on the top surface 1213 of the battery cell 121, which is more conducive to welding and wiring operations on the top surface 1213 of the battery cell 121. In addition, it is also more convenient to connect and conduct between the tab 1212 and the sampling plate 124, more convenient to install and remove the sampling plate 124, and more conducive to improving the assembly efficiency and maintenance convenience of the battery cell 121.

According to an embodiment of the present application, the connecting section 1222 is constructed into a plurality of pieces and is respectively connected to the pole ears 1212 on the same side end of the plurality of battery cells 121, that is, the plurality of connecting sections 1222 are connected to the plurality of pole ears 1212 on the same side end of the battery cells 121 in a one-to-one correspondence. By constructing the connecting section 1222 into a plurality of pieces and respectively connecting to the pole ears 1212 on the same side end of the plurality of battery cells 121, each pole ear 1212 on the same side end of the battery cell 121 can be connected to the corresponding connecting section 1222, so that when it is necessary to inspect or repair a certain battery cell 121 in the battery module, the single battery cell 121 can be more easily disassembled and removed from the battery module, which is more convenient to improve the maintenance efficiency and reduces the time required for the single battery cell 121 to be removed. The risk of damaging the battery module by disassembling the entire battery module is eliminated, thereby saving maintenance costs.

According to an embodiment of the present application, the battery module sampling plate 124 is disposed on the top surface 1213, and the sampling plate 124 is respectively connected to a plurality of conduits 1221 to achieve sampling and collection of data of the battery cell 121. By disposing the sampling plate 124 on the top surface 1213 of the battery cell 121, the connection arrangement between the sampling plate 124 and the conduit 1221 can be operated on the top surface 1213 of the battery cell 121, which is not only conducive to the visual operation of the staff, but also reduces the impact on the battery cell 121. The assembly between the sampling plate 124 and the battery cell 121 is more convenient, and it is more conducive to the maintenance, detection and replacement of the sampling plate 124, thereby reducing the risk of the entire battery module being unusable due to the difficulty in repairing the sampling plate 124, improving the production yield of the battery module, and saving production costs.

In addition, by setting the sampling plate 124 on the top surface 1213 and connecting it to multiple conduits 1221 respectively, the sampling plate 124 can also directly cross over some beams arranged between the battery modules 12 without reserving cuts in the beams to accommodate the arrangement of the sampling plate 124, thereby helping to improve the structural integrity of the beams and enhance the protection of the battery modules.

According to one embodiment of the present application, the battery module 12 further includes a sampling connector 1241. The sampling connector 1241 is constructed in multiple configurations, and one end of each sampling connector 1241 is connected to the sampling plate 124, and the other end of the sampling connector 1241 is connected to the corresponding conduit 1221. In some embodiments, the conduit 1221 is connected to the pole lug 1212 via the connecting section 1222, and one end of the sampling connector 1241 is connected to the sampling plate 124, and the other end of the sampling connector 1241 is connected to the corresponding conduit 1221, that is, after the current flows out from the pole lug 1212, it can flow into the sampling plate 124 through the connecting section 1222, the conduit 1221, and the sampling connector 1241 in sequence, thereby realizing the connection between the sampling plate 124 and the pole lug 1212, and further realizing that the sampling plate 124 can normally monitor the working state and performance of the battery module.

According to an embodiment of the present application, the battery module 12 further includes a first insulating member 125, a second insulating member 126 and a pressing plate 127. The first insulating member 125 and the second insulating member 126 of the present embodiment are respectively arranged on the top surfaces 1213 of the plurality of battery cells 121, and the first insulating member 125 and the second insulating member 126 are arranged at intervals in the extension direction of the battery cells 121, and the first insulating member 125 and the second insulating member 126 respectively cover the confluence portions 1221 at both ends of the top surface 1213 of each battery cell 121. It can be understood that the first insulating member 125 and the second insulating member 126 can extend on the top surface 1213 of the battery cell 121 respectively along the stacking direction of the battery cell 121, so as to realize that the first insulating member 125 and the second insulating member 126 can cover the plurality of battery modules 12. By providing the first insulating member 125 and the second insulating member 126 , the first insulating member 125 and the second insulating member 126 can insulate the top surface 1213 of the battery cell 121 , thereby improving the working safety and reliability of the battery module 12 .

In addition, in a specific embodiment of the present application, the first insulating member 125 and the second insulating member 126 are both constructed as plastic members or epoxy resin members to achieve good insulation; in another specific embodiment of the present application, the first insulating member 125 and the second insulating member 126 are both constructed as insulating heat-conducting plates, so that while strengthening the position constraint strength of the battery cell 121 and the battery module 12, the first insulating member 125 and the second insulating member 126 can also heat, dissipate or The function of heat distribution is to improve the working performance of the battery cell 121.

The pressing plate 127 of this embodiment covers the top surface 1213 of the battery cell 121, and the pressing plate 127 is located between the first insulating member 125 and the second insulating member 126. It can be understood that the pressing plate 127 extends on the top surface 1213 of the battery cell 121 along the stacking direction of the battery cell 121. By setting the pressing plate 127, the pressing plate 127 can be connected to the top surfaces 1213 of multiple battery cells 121, so that the pressing plate 127 can positionally constrain and fix the stacked battery cells 121 and the battery module 12, thereby making the arrangement and installation between the battery cells 121 and the battery module 12 more stable and reliable, and the working reliability of the battery module 12 is higher and the working performance is better.

In addition, in a specific embodiment of the present application, the pressing plate 127 and the top surface 1213 of the battery cell 121 are fixed by bonding to improve the convenience of installation and removal of the pressing plate 127 and save economic costs.

The battery 1 according to the present application includes a housing 11 and a battery module 12. The housing 11 has the function of installing, fixing and protecting some other components in the battery 1, and a receiving cavity is formed in the housing 11; the battery module 12 is arranged in the receiving cavity, and the battery module 12 is constructed as the battery module 12 described in any one of the above embodiments.

The battery 1 according to the present application includes a shell 11 and a battery module 12 as described in any one of the above embodiments. Since the battery 1 according to the present application includes a shell 11 and a battery module 12 as described in any one of the above embodiments, an adapter 122 is provided in the battery module 12 of the battery 1, so that the adapter 122 can conduct the current of the pole ear 1212 on the end surface 1211 to the top surface 1213, and the sampling plate 124 can also be connected to the pole ear 1212 on the top surface 1213, thereby facilitating the assembly and disassembly of the battery cell 121, and is more conducive to the production yield of the battery cell 121, and is more conducive to saving manufacturing costs.

In addition, in a specific embodiment of the present application, the pressure plate 127 is connected to the housing 11 and the beam structure in the battery 1 by welding or bolts. Since welding and bolting have good stability and low cost, the pressure plate 127 is connected to the housing 11 and the beam structure in the battery 1 by welding or bolts, so the working reliability of the battery 1 can be improved and the economic cost can be saved.

According to one embodiment of the present application, the battery module 12 is constructed in multiple numbers, and a module connector 13 is provided between two adjacent battery modules 12. The module connector 13 connects the adapters 122 of the two adjacent battery modules 12, so that the module connector 13 can conduct the current of each battery module 12 in the battery 1. It can be understood that the module connector 13 can be provided between two adjacent battery modules 12 facing each other in the stacking direction of the battery cells 121, and the module connector 13 can also be provided between two adjacent battery modules 12 facing each other in the extending direction of the battery cells 121. The arrangement of the module connector 13 is flexible, so that the battery modules 12 at different positions can be easily conducted to ensure the normal operation of the battery 1.

In the description of the present application, it should be understood that the terms "center", "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, or be positioned in a specific orientation. operation, and therefore should not be understood as limiting the present application.

In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

In the present application, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

Although the embodiments of the present application have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present application, and that the scope of the present application is defined by the claims and their equivalents.

Claims (10)

A battery module, comprising: A battery cell, wherein the battery cell is provided with end surfaces at both ends in the extension direction, at least one of the two end surfaces is formed with a pole ear, and the battery cell is formed with a top surface, a bottom surface and a side surface connecting the two end surfaces; A transition piece, at least a portion of which is connected to the tab of the end surface, and at least another portion of which extends to the top surface. The battery module according to claim 1, wherein the battery cell is constructed as a plurality of battery cells stacked in sequence in the thickness direction, and the adapter is constructed as a plurality of battery cells and connects the tabs on the end faces on the same side of two adjacent battery cells. The battery module according to claim 1 or 2, further comprising: a sampling plate, wherein the sampling plate is respectively connected to the plurality of adapters located at one end on the same side of the battery cell. The battery module according to any one of claims 1 to 3, wherein each of the adapters comprises: A conduit portion, the conduit portion is disposed on the top surface of the battery cell and is suitable for connecting with the sampling plate; A connecting section is connected to the current collecting portion and extends to an end surface of the battery cell and is connected to a pole ear. The battery module according to claim 4, wherein the connecting section is constructed in plurality and is respectively connected to the tabs at one end of the same side of the plurality of battery cells. The battery module according to any one of claims 4 to 5, wherein the sampling plate is arranged on the top surface and is respectively connected to the plurality of conduits. The battery module according to claim 6, further comprising: a sampling connector, wherein the sampling connector is constructed in plurality and one end of each of the sampling connectors is connected to the sampling plate, and the other end of the sampling connector is connected to the corresponding conduit. The battery module according to any one of claims 6 to 7, further comprising: A first insulating member and a second insulating member, wherein the first insulating member and the second insulating member are respectively disposed on the top surfaces of the plurality of battery cells and are spaced apart in the extending direction of the battery cells, and the first insulating member and the second insulating member respectively cover the busbars at both ends of the top surface of each battery cell; A pressing plate covers the top surface of the battery core and is located between the first insulating member and the second insulating member. A battery, comprising: A housing having a receiving cavity formed therein; A battery module, the battery module is arranged in the accommodating cavity and is constructed as claimed in any one of claims 1 to 8 The battery module described. The battery according to claim 9, wherein the battery module is constructed in plurality, a module connector is provided between two adjacent battery modules, and the module connector connects the adapters of the two adjacent battery modules.