CN218070148U - Battery module and energy storage system - Google Patents

Abstract

The utility model provides a battery module and energy storage system relates to the battery energy storage field. This battery module includes electric core, electric terminal, casing and baffle, and electric core installs in the casing, and the baffle is connected with casing detachably for enclose into the protection space with the surface of casing, electric terminal installs on the casing, and be located the protection space, and electric core and electric terminal electricity are connected. Can shelter from the protection to electrical terminal through the baffle, baffle and casing cooperation back simultaneously can make battery module's outward appearance pleasing to the eye. The utility model provides a battery module and energy storage system can effectively protect the electric connection terminal of battery module.

Description

Battery module and energy storage system

Technical Field

The utility model relates to a battery energy storage field particularly, relates to a battery module and energy storage system.

Background

In view of the often required electrical connection or communication connection between the battery energy storage modules, a terminal connector is usually disposed outside the battery energy storage system to realize electrical or communication connection with other energy storage modules, however, the terminal connector is exposed to the outside and is easily damaged by collision of other components, and is also easily aged, even if the terminal connector is touched by people in a live condition, the terminal connector is easy to cause an electric shock risk.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model discloses battery module and energy storage system, its electric connection terminal that can effectively protect the battery module.

In a first aspect, an embodiment of the present invention provides a battery module, including: a plurality of cells; the battery comprises a shell, a plurality of battery cores and a battery cover, wherein the battery cores are arranged in the shell; the baffle is detachably connected with the shell, and the baffle is connected with one side of the shell, which is far away from the battery core, to form a protection space; and the electric connecting terminal is positioned in the protection space, is installed on the shell and faces the shell, and is far away from one side of the battery cell and stretches out.

The battery cell is arranged in the shell and used for storing energy, and the shell can protect the battery cell. The electric connection terminal is used for being electrically connected with the plurality of electric cores and then is connected with the electric assembly through a lead; the electrical connection terminals are mounted outside the housing for connection to the wires. The baffle is connected with the shell to form a protection space, and the electric connection terminal is positioned in the protection space so as to protect the electric pipe through the protection space. Meanwhile, the baffle can also ensure the consistency of the whole appearance in appearance, and the appearance attractiveness is improved. Meanwhile, the protection of the electric connection terminal and the unification of the overall appearance are realized only through the matching of the baffle and the shell, and the novel electric connection terminal has the characteristics of light weight and small volume, and simultaneously has lower overall cost and simpler assembly process.

As an optional implementation manner, the baffle includes a protection plate body and a first connecting structure arranged on the protection plate body, a second connecting structure is arranged on the casing, and the first connecting structure and the second connecting structure are clamped to form the protection space. Through the joint of first connection structure and second connection structure, can make the assembly of baffle simpler, convenient, can further promote the convenience of equipment.

As an optional implementation manner, the second connection structure includes two protruding portions that are oppositely disposed on one side of the casing away from the battery core, a mounting groove is formed between the two protruding portions, the electrical connection terminal is located in the mounting groove, the first connection structure is clamped into the protruding portions, and the two protruding portions and the plate body enclose the protection space. The second connecting structure is designed into a structural form of two opposite convex parts, so that the second connecting structure can be conveniently and simply manufactured.

As an optional implementation manner, the first connection structure includes a connection protrusion protruding from the protection board body, and the connection protrusion is snapped into and abuts against the second connection structure. When the connecting bulge of the first connecting structure is clamped into the second connecting structure, the connecting bulge can be slightly deformed, the slight deformation can enable the connecting bulge to be clamped into the second connecting structure, and the acting force of mutual butt joint can be provided for the connecting bulge and the second connecting structure, so that the fixing of the baffle and the shell is realized. The first connecting structure butt can be achieved on the second connecting structure through the connection protrusion in a clamped mode, the butt is clamped in a simple and easy operation mode, and the baffle can be assembled more conveniently.

As an optional implementation manner, the connecting protrusion comprises a connecting portion, an extending portion and a clamping portion, which are sequentially arranged, the connecting portion is arranged on the protective plate body, and the clamping portion is clamped into and abutted against the protruding portion. The extending part is the extension of the connecting bulge from the connecting part to the clamping part and is used for providing acting force for butting between the clamping part and the protruding part during assembly, the connecting bulge is designed in a segmented mode, the deformation of the connecting bulge can be exerted to a greater extent, and the connecting bulge is enabled to be butted on the protruding part.

As an optional embodiment, the protrusion is provided with a slot, and the clamping portion is clamped into the slot. The draw-in groove can increase the connection stability between joint portion and the bulge, when the assembly, can go into the one side of draw-in groove with joint portion card to along the whole baffle of this draw-in groove slip, make the relative draw-in groove of joint portion slip, stop the slip until putting whole baffle joint in place, under the effect of extension, joint portion butt realizes the fixed of baffle and casing in the draw-in groove.

As an alternative embodiment, a guide surface is provided on the inner side of the protruding portion, and the guide surface extends from the end surface of the protruding portion to the slot for sliding the connecting protrusion along the guide surface into the slot. The guide surface can be used for guiding the sliding of the clamping part and gradually deforming the extending part until the extending part is clamped into the clamping groove. That is to say, the spigot surface can make the joint portion card go into the butt draw-in groove more convenient.

As an alternative embodiment, the outer side surface of the extension portion completely or partially abuts against the guide surface, and the extension section is a section where the extension portion is located. The outer side surface of the extending part is completely or partially abutted against the guide surface, so that the contact area of the baffle and the protruding part can be increased, and the stress and the structural stability of the baffle are increased.

As an alternative embodiment, the baffle is connected to the housing to form an opening, which communicates with the protective space. The opening is used for the cable to pass through. The openings are primarily used for the passage of cables, thereby facilitating the arrangement of the cables.

In a second aspect, an embodiment of the present invention provides an energy storage system including any one of the foregoing battery modules. Because the energy storage system adopts the battery module as the energy storage unit, the energy storage system has the characteristics of light weight and small volume and has lower production cost of the battery module.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the embodiment of the utility model provides a pair of battery module and energy storage system, the electric core of battery module is installed in the casing for the energy storage, the casing can play the guard action to electric core. The electric connection terminal is used for being electrically connected with the plurality of electric cores and then is connected with the electric assembly through a lead; the electrical connection terminals are mounted outside the housing for connection to the wires. The baffle is connected with the shell and encloses into the protection space, and the electric connection terminal is located the protection space to protect the electric pipe through the protection space. Meanwhile, the baffle can also ensure the consistency of the whole appearance in appearance, and the appearance attractiveness is improved. Simultaneously, in prior art, need add a quick-witted case alone outside the module in order to guarantee that the outward appearance is pleasing to the eye, but both increased the total weight and the volume of system when increasing the shell, also increased the overall cost and the assembly process of product. And the utility model provides a battery module, through the cooperation of baffle and casing, can enough play the protection effect to the electricity connection terminal, simultaneously, also can be under the prerequisite that only increases baffle weight and a little volume by general, the outward appearance of assurance system is pleasing to the eye, the total weight and the volume of system all reduce for prior art, simultaneously, the cost of baffle self is lower, the assembly between baffle and the casing is simple, and obviously will easily increase the technology complexity and the equipment degree of difficulty of quick-witted case alone. That is to say, compare in prior art, the embodiment of the utility model provides a only through the cooperation of baffle with the casing, realize the protection and the unity of whole outward appearance to electric connection terminal, have light in weight, small characteristics, have lower overall cost and simpler assembly process simultaneously.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the embodiments are briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a mattress disclosed by the embodiment of the invention; fig. 1 is a schematic structural diagram of a battery module according to an embodiment of the present invention;

fig. 2 is a schematic view illustrating an internal structure of the battery module of fig. 1 and a structure without a baffle;

fig. 3 is a schematic structural view of the battery module in fig. 1 from another view angle;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 2;

FIG. 5 is a schematic structural view of the baffle of FIG. 1;

FIG. 6 is an enlarged schematic view of the structure at C in FIG. 5;

fig. 7 is an enlarged schematic view of a structure at B in fig. 3.

Icon: 100. a battery module; 101. protecting the space; 110. an electric core; 120. an electrical connection terminal; 130. a housing; 131. a second connecting structure 131; 132. a projection; 1321. a guide surface; 133. a card slot; 140. a baffle plate; 141. a protection plate body; 142. a first connecting structure; 143. a connecting projection; 1431. a connecting portion; 1432. an extension portion; 1433. a clamping part.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the present invention, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are used primarily to better describe the invention and its embodiments and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used in other meanings besides orientation or positional relationship, for example, the term "upper" may also be used in some cases to indicate a certain attaching or connecting relationship. The specific meaning of these terms in the present invention can be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "connected" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Furthermore, the terms "first," "second," and the like, are used primarily to distinguish one device, element, or component from another (the specific nature and configuration may be the same or different), and are not used to indicate or imply the relative importance or number of the indicated devices, elements, or components. "plurality" means two or more unless otherwise specified.

The technical solution of the present invention will be further described with reference to the following embodiments and the accompanying drawings.

Referring to fig. 1 to 3, the present embodiment provides a battery module 100, which can ensure the overall appearance consistency of a battery energy storage system, and can shield and protect the electrical connection terminal 120 and a wire harness; meanwhile, the assembly is simple and convenient, and the device has the characteristics of low cost and light weight.

In the embodiment of the present invention, the battery module 100 includes the battery cells 110, the electrical connection terminals 120, the housing 130 and the baffle 140, the plurality of battery cells 110 are all installed in the housing 130, the baffle 140 is detachably connected to the housing 130, for enclosing the protection space 101 with the outer surface of the housing 130, the electrical connection terminals 120 are installed on the housing 130, and are located in the protection space 101, and the battery cells 110 are electrically connected to the electrical connection terminals 120. In the embodiment of the present invention, the baffle 140 is connected to one side of the casing 130 away from the battery cell 110 to form a protection space 101; the electrical connection terminal 120 is located in the protection space 101, and the electrical connection terminal 120 is mounted on the housing 130 and protrudes toward a side of the housing 130 away from the battery cell 110.

It should be noted that, in the embodiment of the present invention, the battery cell 110 is installed in the casing 130, for storing energy, and the casing 130 can play a role in protecting the battery cell 110. The electrical connection terminal 120 is used for being electrically connected with the plurality of battery cells 110 and then connected with an electrical assembly through a conducting wire; the electrical connection terminals 120 are mounted outside the housing 130 to facilitate wire connection with other battery modules. The barrier 140 is connected to the housing 130 and encloses the protection space 101, and the electrical connection terminal 120 is located in the protection space 101 to protect the electrical tube through the protection space 101. Meanwhile, the baffle 140 can also ensure the consistency of the whole appearance in appearance, and the appearance attractiveness is improved.

Meanwhile, it should be noted that, in the prior art, a chassis is separately added outside the module to ensure an attractive appearance, but the overall weight and volume of the system are increased while the shell is increased, and the overall cost and assembly process of the product are also increased. And in the embodiment of the utility model provides an in, through the cooperation of baffle 140 and casing 130, can enough play the protection effect to electric connection terminal 120, simultaneously, also can be under the prerequisite that only increases baffle 140 weight and a little volume on a large scale, the outward appearance of assurance system is pleasing to the eye, the total weight and the volume of system all reduce for prior art, simultaneously, the cost of baffle 140 self is lower, the assembly between baffle 140 and the casing 130 is simple, and obviously will easily increase the technology complexity and the equipment degree of difficulty of quick-witted case alone. That is to say, compare in prior art, the embodiment of the present invention only realizes the protection and the unity of whole outward appearance to electric connection terminal 120 through the cooperation of baffle 140 with casing 130, has light in weight, small characteristics, has lower overall cost and simpler assembly process simultaneously.

In an embodiment of the present invention, the battery module 100 is assembled: after the battery cell 110 is assembled in the casing 130, the battery cell 110 is connected with the electrical connection terminal 120 on the casing 130, the cable is connected with the electrical connection terminal 120, and then the cable is connected with components such as an electrical assembly; meanwhile, after the cable is connected to the electrical connection terminal 120, the barrier 140 may be connected to the case 130, thereby protecting the electrical connection terminal 120 and ensuring the uniformity of the overall appearance.

Referring to fig. 4 and 5, in an alternative embodiment, the baffle 140 may include a protection plate 141 and a first connecting structure 142 disposed on the protection plate 141, the housing 130 is disposed with a second connecting structure 131, the first connecting structure 142 is clamped with the second connecting structure 131, and the protection plate 141 and an outer surface of the housing 130 form a protection space 101.

That is to say, in the embodiment of the present invention, the baffle 140 may be connected to the housing 130 in a clamping manner, and the clamping has the characteristics of simple and convenient connection manner, which may facilitate the installation of the baffle 140 on the housing 130. And to specific joint mode between first connection structure 142 and the second connection structure 131, the embodiment of the present invention may not do specific requirements and limit, and first connection structure 142 and second connection structure 131 may adopt smooth mode joint, or realize joint etc. between the two through inserting first connection structure 142 into second connection structure 131.

Optionally, in this embodiment, the second connection structure 131 may include two protrusions 132 oppositely disposed along a side of the casing 130 away from the battery cell 110, a mounting groove is formed between the two protrusions 132, the electrical connection terminal 120 is located in the mounting groove, the first connection structure 142 is clamped into the protrusion 132, and the two protrusions 132 and the plate body 141 enclose the protection space 101.

That is, as for the second connection structure 131, it has two oppositely disposed protrusions 132 with a certain gap between the two protrusions 132, which forms a mounting groove, and the electrical connection terminal 120 is located in the mounting groove between the two protrusions 132. The first connecting structure 142 is clamped between the two protrusions 132, so that a protection space 101 is defined between the two protrusions 132 and the protection board 141, thereby protecting the electrical connection terminal 120. Of course, without being limited thereto, a protrusion may be disposed on the first connecting structure 142, and the protrusion is engaged with the second connecting portion 1431, and after assembling, the two protrusions 132 and the protection plate 141 form the protection space 101.

In the embodiment of the present invention, the second connecting structure 131 is designed to be two opposite protruding structures, so that the second connecting structure 131 can be conveniently and simply manufactured. Alternatively, the two projections 132 may be manufactured by being integrally formed with the housing 130. Of course, the present invention is not limited thereto, and the two protruding portions 132 can be manufactured by other methods, such as bolt or screw connection, clamping, welding, etc., and the embodiment of the present invention does not specifically require and limit the connection manner between the two protruding portions 132 of the second connecting structure 131 and the housing 130.

In an alternative embodiment, the first connecting structure 142 may include a connecting protrusion 143 protruding from the protection board 141, and the connecting protrusion 143 is snapped into and abutted against the second connecting structure 131. Alternatively, when the second connecting structure 131 includes the protrusion 132, the connecting protrusion 143 is snapped into abutment with the protrusion 132.

It should be understood that the connection protrusion 143 is snapped into abutment with the protrusion 132, meaning that the outer surface of the connection protrusion 143 abuts on the inner side surface of the protrusion 132, wherein the inner side surface of the protrusion 132 refers to the surface located in the protection space 101, and what is worth the surface where the two protrusions 132 approach each other. The connecting protrusion 143 of the first connecting structure 142 is clamped between the two protrusions 132, and when the connecting protrusion 143 is clamped into the two protrusions 132, the connecting protrusion 143 itself is slightly deformed, which not only can clamp the connecting protrusion 143 into the two protrusions 132, but also can provide an acting force for the connection between the connecting protrusion 143 and the protrusions 132 to abut against each other, thereby fixing the baffle 140 and the housing 130.

Alternatively, in the present embodiment, the number of the connecting protrusions 143 includes two, each connecting protrusion 143 corresponds to one of the protrusions 132, and a space region is formed between the two connecting protrusions 143 to accommodate the electrical connection terminal 120.

Referring to fig. 6 and fig. 7, optionally, in the present embodiment, the connecting protrusion 143 may include a connecting portion 1431, an extending portion 1432, and a clamping portion 1433, which are sequentially disposed, the connecting portion 1431 is disposed on the protection board 141, and the clamping portion 1433 is clamped and abutted against the protruding portion 132. The extension portion 1432 is an extension of the connection protrusion 143 from the connection portion 1431 to the catching portion 1433, and is used to provide a force of abutment between the catching portion 1433 and the protrusion 132 when assembling. In this embodiment, the extending portion 1432 extends to the clamping portion 1433 substantially inward and away from the protection board body 141, so as to provide an acting force for abutting the clamping portion 1433 with the protruding portion 132, thereby achieving a fixed connection therebetween.

Optionally, in this embodiment, the second connecting structure 131 may further include a card slot 133, the card slot 133 is disposed on the protruding portion 132, and the card slot 133 is clamped by the card connecting portion 1433.

As shown in the figure, the protrusion 132 is disposed on a side surface of the housing 130, and the slot 133 is parallel to a side of the housing 130, when assembling, the clamping portion 1433 can be clamped into one side of the slot 133, and the whole baffle 140 slides along the slot 133, so that the clamping portion 1433 slides relative to the slot 133 until the whole baffle 140 is clamped in place, and under the action of the extension portion 1432, the clamping portion 1433 abuts against the slot 133, thereby fixing the baffle 140 and the housing 130.

Further, the slot 133 may be configured as a limiting slot, and accordingly, the clamping portion 1433 is configured as a protrusion having a limiting function; that is to say, the clamping portion 1433 can be clamped into the clamping slot 133 only from one side, at this time, the clamping slot 133 may include two portions, the size of the opening is smaller, and the internal size is slightly larger; the cross-sectional dimension of the clamping portion 1433 is slightly larger, the cross-sectional dimension of the extension portion 1432 is slightly smaller, the portion of the extension portion 1432, which is close to the clamping portion 1433, is clamped into the opening with the smaller dimension of the clamping slot 133, and the clamping portion 1433 is clamped into the area with the larger inner dimension of the clamping slot 133, so that the clamping portion 1433 can be clamped from only one side, and the situation that the clamping portion 1433 and the clamping slot 133 are in clamping failure is avoided or reduced. Of course, in the present embodiment, the extension portion 1432 is curved inward and away from the protection board 141 of the blocking plate 140 in an arc shape, so as to provide a larger deformation force, and the clamping portion 1433 can be abutted in the clamping groove 133 well.

Alternatively, in the present embodiment, a guide surface 1321 is provided inside the protruding portion 132, and the guide surface 1321 extends from the end surface of the protruding portion 132 to the catch 133, so that the connecting protrusion 143 slides into the catch 133 along the guide surface 1321. The guide surface 1321 can guide the sliding of the catching portion 1433 of the connecting protrusion 143, and gradually deform the extension portion 1432 until it is caught in the catching groove 133. That is, the guide surface 1321 may facilitate the snap-in portion 1433 to snap into abutment with the card slot 133.

In the present embodiment, when the baffle 140 is assembled on the two protrusions 132, the outer side surface of the extension 1432 completely or partially abuts on the guide surface 1321, so that the contact area of the baffle 140 and the protrusions 132 is increased, and the stress and the structural stability of the baffle 140 are increased. Optionally, the outer surface of the extension 1432 substantially conforms to the inner surface of the protrusion 132 (i.e., the guide surface 1321), and the curvature, size, etc. of the two substantially conform to each other.

In the embodiment of the present invention, the baffle 140 is connected to the housing 130 to form an opening, and the opening is communicated with the protection space 101 for the cable to pass through. Alternatively, the openings are located at both ends of the protective space 101, that is, the cables can be led out at both ends of the module, thereby facilitating cable arrangement. In the embodiment of the present invention, the electric connection terminal 120 and the cable connected to the electric connection terminal 120 can be protected by the baffle 140, and the consistency of the overall appearance can be ensured.

The embodiment of the utility model provides a still provide an energy storage system, this energy storage system stores energy through foretell battery module 100. The embodiment of the utility model provides a do not do concrete requirement and injecing to energy storage system's concrete type, size etc. because this energy storage system adopts foretell battery module 100 as the energy storage unit to have light in weight, small characteristics, possess lower battery module 100 manufacturing cost.

Referring to fig. 1 to fig. 7, a battery module 100 and an energy storage system according to an embodiment of the present invention: the battery module 100 is connected to the case 130 through the barrier 140 to form a protective space 101 for protecting the electrical connection terminals 120, i.e., the barrier 140 protects the electrical connection terminals 120. The baffle 140 has a simple structure and is easily assembled with the housing 130. Meanwhile, the baffle 140 can also ensure the consistency of the whole appearance in appearance, and the appearance attractiveness is improved. Compared with the prior art that the shell is added, the battery module 100 provided by the utility model can protect the electric connection terminal 120 by the cooperation of the baffle 140 and the shell 130, and can ensure the attractive appearance of the system on the premise of only increasing the weight and the small volume of the baffle 140, and the total weight and the volume of the system are reduced compared with the prior art; the cost of the baffle 140 itself is low, the assembly between the baffle 140 and the housing 130 is simple, and it is obviously easy to separately increase the process complexity and the assembly difficulty of the chassis. The embodiment of the utility model provides a only through the cooperation of baffle 140 with casing 130, realize the protection and the unity of whole outward appearance to electric connection terminal 120, have light in weight, small characteristics, have lower overall cost and simpler assembly process simultaneously.

It is right above the embodiment of the utility model discloses a battery module and energy storage system have carried out detailed introduction, and it is right to have used specific individual example herein the utility model discloses a principle and implementation mode have been elucidated, and the description of above embodiment is only used for helping understanding the utility model discloses a battery module and energy storage system and core thought thereof: meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, and in summary, the content of the present specification should not be understood as the limitation of the present invention.

Claims (10)

1. A battery module, comprising:

a plurality of cells (110);

a housing (130) within which the plurality of cells (110) are mounted;

a baffle (140), wherein the baffle (140) is detachably connected with the shell (130), and the baffle is connected with one side of the shell (130) far away from the battery core to form a protection space (101);

the electric connecting terminal (120) is located in the protection space (101), and the electric connecting terminal (120) is installed on the shell (130) and extends out towards one side, far away from the battery cell (110), of the shell (130).

2. The battery module according to claim 1, wherein the baffle (140) comprises a protection plate body (141) and a first connecting structure (142) arranged on the protection plate body (141), the housing (130) is provided with a second connecting structure (131), and the first connecting structure (142) and the second connecting structure (131) are clamped to form the protection space (101).

3. The battery module according to claim 2, wherein the second connecting structure (131) comprises two protruding portions (132) oppositely arranged along a side of the housing (130) away from the battery core (110), a mounting groove is formed between the two protruding portions (132), the electrical connection terminal (120) is located in the mounting groove, the first connecting structure (142) is clamped into the protruding portions (132), and the two protruding portions (132) and the plate body (141) enclose the protection space (101).

4. The battery module according to claim 3, wherein the first connection structure (142) comprises a connection protrusion (143) protruding from the protection plate (141), and the connection protrusion (143) is snapped into abutment with the second connection structure (131).

5. The battery module according to claim 4, wherein the connection protrusion (143) comprises a connection part (1431), an extension part (1432) and a clamping part (1433) which are sequentially arranged, the connection part (1431) is arranged on the protection plate body (141), and the clamping part (1433) is clamped and abutted against the protrusion part (132).

6. The battery module according to claim 5, wherein the protrusion (132) is provided with a catching groove (133), and the catching portion (1433) is caught in the catching groove (133).

7. The battery module according to claim 6, wherein a guide surface 1321 is provided inside the protruding part 132, and the guide surface 1321 extends from an end surface of the protruding part 132 to the card slot 133 for sliding the coupling protrusion 143 into the card slot 133 along the guide surface 1321.

8. The battery module according to claim 7, wherein a surface of the extension (1432) is able to fully or partially conform to the guide surface (1321).

9. The battery module according to any one of claims 1 to 8, wherein the baffle (140) is connected to the housing (130) and further forms an opening communicating with the protective space (101).

10. An energy storage system, characterized by comprising a battery module (100) according to any one of claims 1 to 9.

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