CN217035829U - Battery module and energy storage device - Google Patents

Abstract

The utility model discloses a battery module and an energy storage device, wherein the battery module comprises: the battery core group comprises a plurality of battery cell rows which are sequentially arranged in the width direction of the battery module, and each battery cell row comprises a plurality of battery cells which are sequentially arranged in the length direction of the battery module; the curb plate is located the both sides that electric core was listed as, and has a curb plate between the adjacent electric core is listed as, and the end plate setting is provided with the end plate at the tip of curb plate between two adjacent curb plates, and the height that highly is greater than the curb plate of end plate, and the difference in height between end plate and the curb plate prescribes a limit to the installation step that is used for fixed battery module. From this, can make battery module's space occupy more rationally for battery module self arranges more compactly, can effectively reduce the holistic volume of battery module, and inject between end plate and the curb plate and install the step and can make adjacent electric core row laminating setting, thereby make between the electric core row can the zero clearance arrange, saved the space.

Description

Battery module and energy storage device

Technical Field

The utility model relates to the technical field of batteries, in particular to a battery module and an energy storage device.

Background

Among the correlation technique, for improving energy memory's electric capacity, generally set up multiunit battery module in energy memory, but when installing a plurality of battery module in energy memory, need certain size in interval between adjacent battery module's the module casing, dodge, lead to the not compact enough of installation, lower to the utilization ratio in space, occupied a large amount of spaces for energy memory's whole volume is great, and energy density is low.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides a battery module which is compact in installation, high in space utilization rate, capable of saving installation space and improving energy density.

The utility model also provides an energy storage device adopting the battery module.

A battery module according to an embodiment of the present application includes: the battery pack comprises a plurality of battery cell columns which are sequentially arranged in the width direction of the battery module, and each battery cell column comprises a plurality of battery cells which are sequentially arranged in the length direction of the battery module; the curb plate is located the both sides that the electric core was listed as, and adjacent have one between the electric core was listed as the curb plate, the end plate sets up the tip of curb plate, and adjacent two be provided with between the curb plate the end plate, the height of end plate is greater than the height of curb plate, just the end plate with the difference in height between the curb plate is injectd and is used for fixing battery module's installation step.

According to the battery module, the side plate is arranged between the two adjacent battery cell columns, so that the two adjacent battery cell columns share the same side plate, the space of the battery module can be more reasonably occupied, the arrangement of the battery module is more compact, and the whole volume of the battery module can be effectively reduced; set up the height that highly sets up the curb plate to be less than the end plate, make and form the difference in height between curb plate and the end plate to inject installation step, installation step can fix battery module, need not to set up fixed knot structures such as turn-ups on the curb plate and fix, can make adjacent electric core row laminating setting like this, thereby make between the electric core row can the zero clearance range, saved the space, and set up like this and make the structure simpler.

In some embodiments, the side plate comprises: the battery module comprises a hollow plate portion and a fixing plate portion, wherein the hollow plate portion is arranged in a hollow mode, the fixing plate portion is located below the hollow plate portion, the fixing plate portion is used for fixing the battery module, and the hollow plate portion limits a cooling flow channel.

Specifically, the tip of curb plate has the protrusion setting and moves towards the switching platform that the end plate was buckled, the switching platform with cooling flow channel intercommunication, just the bench adapter that is provided with of switching.

Furtherly is located two at curb plate both ends the adapter constructs respectively for feed liquor adapter and liquid return adapter, so that it is a plurality of cooling runner's homonymy one end the adapter all constructs to be the feed liquor adapter, the homonymy other end the adapter all constructs to be the liquid return adapter.

In some embodiments, a heating member is further embedded in one side of the side plate attached to the battery cell row, and a power supply lead of the heating member is located above an end portion of the side plate.

Specifically, the power leads are spaced from the adapter on the side plate.

Further, a heating film and/or a cooling member may be optionally disposed above the electric core assembly and below the electric core assembly.

According to the energy storage device of the embodiment of the second aspect of the application, the energy storage device comprises: the box body and the battery module in the embodiment are characterized in that the box body is provided with an installation beam, and the installation beam is lapped with the installation step to fix the battery module.

Specifically, the box has a bottom plate, and the installation beam includes: the horizontal plate part and the vertical beam body are positioned above the horizontal plate part, the horizontal plate part is fixed with the bottom plate, and the vertical beam body is opposite to the side plate and is fixed through a fastener.

Further, an accommodating space is defined between the adjacent horizontal plate portions, and a heating film and/or a cooling member located at the bottom of the battery module are disposed in the accommodating space.

Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.

Drawings

The above and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic view of a battery module mated with a case according to an embodiment of the present application;

FIG. 2 is a schematic structural view of a mounting beam according to an embodiment of the present application;

fig. 3 is a schematic structural view of a battery module according to an embodiment of the present application;

fig. 4 is a schematic structural view of a side plate of a battery module according to an embodiment of the present application.

Reference numerals:

the number of the battery modules 100 is increased,

the number of the cell groups 10, the cell rows 11,

a side plate 20, a fixed plate portion 21, a hollow plate portion 22,

the end plate 30 is provided with a plurality of,

the transfer station (40) is provided with a transfer table,

a liquid inlet adapter 50, a liquid inlet adapter 51, a liquid return adapter 52,

the power supply lead 60 is connected to the power supply,

the film 70 is heated up and the film is,

the cooling member (80) is provided with a cooling hole,

a box body 90, an installation beam 91, a horizontal plate part 911, a vertical beam body 912,

and cooling the flow channel a.

Detailed Description

Reference will now be made in detail to the embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.

A battery module 100 according to an embodiment of the present application is described below with reference to fig. 1 to 4.

As shown in fig. 1 and 3, a battery module 100 according to an embodiment of the present application includes: a battery pack 10, side plates 20, and end plates 30.

The battery cell group 10 includes a plurality of battery cell rows 11 sequentially arranged in the width direction of the battery module 100, and each battery cell row 11 includes a plurality of battery cells sequentially arranged in the length direction of the battery module 100; the side plates 20 are located on two sides of the cell arrays 11, one side plate 20 is arranged between every two adjacent cell arrays 11, the end plates 30 are arranged at ends of the side plates 20, the end plates 30 are arranged between every two adjacent side plates 20, the height of each end plate 30 is larger than that of each side plate 20, and a mounting step for fixing the battery module 100 is defined by the height difference between each end plate 30 and each side plate 20.

Specifically, the width direction of the battery module 100, i.e., the direction indicated by arrow a in the figure, the length direction of the battery module 100, i.e., the direction indicated by arrow B in the figure, at least one cell row 11 is included in the cell pack 10, when the cell pack 10 includes two or more cell rows 11, the cell rows 11 are sequentially arranged along the direction indicated by arrow a in the figure, each cell row 11 includes a plurality of cells, and the cells are sequentially stacked along the direction indicated by arrow B in the figure.

It should be noted that each cell array 11 corresponds to two side plates 20 and two end plates 30, the side plates 20 and the end plates 30 are both vertically disposed, the side plates 20 are attached to two sides of the cell array 11A, the end plates 30 are attached to two ends of the cell array 11B, the end plates 30 are located at two ends of the side plates 20 and located between the two side plates 20, and the end plates 30 and the side plates 20 are perpendicular to each other. When the cell group 10 includes one cell row 11, the battery module 100 includes two side plates 20 and two end plates 30, the side plates 20 and the end plates 30 are respectively disposed at the peripheries of the cell rows 11, when the cell group 10 includes two or more cell rows 11, the two connected cell rows 11 share the side plate 20, and one side plate 20 is disposed between the two cell rows 11, for example, when the cell group 10 includes two cell rows 11, the battery module 100 includes three side plates 20 and four end plates 30; when three cell rows 11 are included in the cell pack 10, four side plates 20 and six end plates 30 are included in the battery module 100.

In addition, the height of the end plate 30 is greater than that of the side plate 20, the upper surface of the side plate 20 is flush with the upper surface of the end plate 30, the lower surfaces of the side plate 20 and the end plate 30 are configured to be stepped, the lower surface of the side plate 20 corresponds to the lower portion of the end plate 30, a height difference is formed between the lower surface of the side plate 20 and the lower surface of the end plate 30, a gap is formed between the height difference and the lower surface of the end plate 30 to define a mounting step, and the mounting step can fix the battery module 100 when the battery module 100 is mounted.

According to the battery module 100 of the embodiment of the application, the side plate 20 is arranged between the two adjacent battery cell rows 11, so that the two adjacent battery cell rows 11 share the side plate 20, and thus, the space of the battery module 100 is more reasonably occupied, the arrangement of the battery module 100 is more compact, and the overall size of the battery module 100 can be effectively reduced; set up the height that highly sets up the curb plate 20 to be less than end plate 30, make and form the difference in height between curb plate 20 and the end plate 30 to inject installation step, installation step can be used for fixed battery module 100, need not to set up fixed knot structures such as turn-ups on curb plate 20 and fix, can make adjacent electric core row 11 laminating setting like this, thereby make electric core row 11 between can the zero clearance range, saved the space, and set up like this and make the structure simpler.

As shown in fig. 4, in some embodiments, the side panel 20 includes: a hollow plate portion 22 provided in a hollow shape, and a fixing plate portion 21 located below the hollow plate portion 22, the fixing plate portion 21 being used to fix the battery module 100, the hollow plate portion 22 defining a cooling flow passage a.

It should be noted that the side plates 20 are configured to be rectangular plate-shaped structures, the side plates 20 are disposed at two sides of the cell array 11, a hollow structure and a solid structure are disposed in the side plates 20, a lower portion of the side plates 20 is configured to be a solid structure, the rest of the side plates 20 are configured to be a hollow structure, the hollow structure is a hollow plate portion 22, the solid structure is a fixing plate portion 21, the hollow plate portion 22 and the fixing plate portion 21 are sequentially connected, the fixing plate portion 21 is located below the hollow plate portion 22, the hollow plate portion 22 defines a cooling flow channel a for flowing a cooling medium, two ports of the cooling flow channel a are located at two ends of the side plates 20 in the direction B, and are respectively used for flowing in and flowing out of the cooling medium, so that heat transferred to the side plates 20 by the cell array 11 is taken away in the process of flowing in and flowing out of the cooling medium, the temperature can be effectively reduced, and the heat dissipation effect is improved.

Specifically, as shown in fig. 3, the end portion of the side plate 20 has a transfer table 40 which is protruded and bent toward the end plate 30, the transfer table 40 communicates with the cooling flow passage a, and the transfer table 40 is provided with a transfer joint 50.

Specifically, two ends of each side plate 20 in the B direction are provided with one adapter 40, the adapter 40 arranged at the end of the side plate 20 on both sides of the electric core assembly 10A direction is configured as an L-shaped platform structure, one end of the adapter 40 is connected to the end of the side plate 20 and extends towards the direction far away from the end of the side plate 20, the other end of the adapter 40 bends towards the end plate 30, the top surface of each adapter 40 is provided with one adapter 50, and the adapter 50 is arranged at one end of the adapter 40 close to the end plate 30. When battery module 100 includes that a plurality of electric core groups 10 and a plurality of electric core groups 10 arrange in proper order, set up switching platform 40 to this kind of shape, can avoid the phenomenon that the too near production of adapter 50 of a plurality of electric core groups 10 interferes and leads to unable installation, set up like this and to make the adjacent adapter 50 of a plurality of electric core groups 10 dodge mutually to reserve adapter 50's installation space.

As shown in fig. 3, further, the two adapters 50 at two ends of the side plate 20 are respectively configured as a liquid inlet adapter 51 and a liquid return adapter 52, so that the adapters 50 at one end of the same side of the plurality of cooling flow channels a are both configured as liquid inlet adapters 51, and the adapters 50 at the other end of the same side are both configured as liquid return adapters 52.

It should be noted that, two ends of each side plate 20 are provided with an adapter 50, the adapter 50 at one end of the side plate 20 is a liquid inlet adapter 51, the adapter 50 at the other end is a liquid return adapter 52, the liquid inlet adapter 51 and the liquid return adapter 52 are respectively used for flowing in and flowing out of a cooling medium, the cooling medium enters the cooling flow channel a through the liquid inlet adapter 51, the cooling medium is distributed in each area of the cooling flow channel a to cool the cell array 11, the cooling medium flows out through the liquid return adapter 52 at last, and the heat transferred to the side plate 20 by the cell array 11 is taken away in the flowing in and flowing out processes of the cooling medium. When the electric core group 10 includes at least one electric core row 11, the electric core group 10 has at least two side plates 20, at least, two cooling flow channels a are included, each cooling flow channel a corresponds to one liquid inlet adapter 51 and one liquid return adapter 52, and the liquid inlet adapter 51 that each cooling flow channel a corresponds is located the one end of homonymy, the liquid return adapter 52 that each cooling flow channel a corresponds is located the other end of homonymy, a plurality of cooling flow channels a set up in parallel, like this, cooling medium can flow in by every cooling flow channel a homonymy one end, flow out by the homonymy other end. Each cooling flow channel a can work independently, and the plurality of cooling flow channels a are not influenced mutually, so that the flow resistance is smaller, and the cooling effect is better.

As shown in fig. 1 and fig. 3, in some embodiments, a heating element is further embedded on a side of the side plate 20, which is attached to the electric core column 11, and a power supply lead 60 of the heating element is located above an end of the side plate 20.

Specifically, the side plate 20 is embedded with a heating element, which may be a heating pipe, but may also be other heatable elements, which are not limited herein and may be selected according to the requirement. The heating member setting is in one side of curb plate 20 and the laminating of electric core row 11, and the both sides of curb plate 20 between two adjacent electric core rows 11 all are provided with the heating member to satisfy the demand to two adjacent electric core rows 11 heating, the power lead 60 of heating member is drawn forth by the both ends that curb plate 20 is located the B direction, and power lead 60 is located the top of curb plate 20 both ends tip. Set up the heating member and can heat electric core group 10 when electric core group 10 temperature is lower to make electric core group 10 rapid heating up, improved the programming rate, and with the embedded space that can the rational utilization in curb plate 20 of heating member, draw forth power lead 60 by the 20 tip of curb plate can not additionally occupation space, can save space.

Specifically, as shown in figures 1 and 3, the power leads 60 are spaced from the adapter 50 on the side plate 20.

It should be noted that, the power supply lead 60 is drawn out by the both ends that the curb plate 20 is located the B direction, and be located the tip top of curb plate 20, adapter 50 sets up on the switching platform 40 of curb plate 20 tip below, switching platform 40 is buckled towards the direction of end plate 30, adapter 50 one end sets up on the top surface that switching platform 40 is close to the one end of end plate 30, the other end orientation is kept away from the direction extension of switching platform 40, extend towards the top promptly, and adapter 50 is located the below of power supply lead 60 on the direction of height, adapter 50 dodges power supply lead 60, the two interval sets up. Thus, the power lead 60 and the adapter 50 are arranged at intervals, so that the power lead 60 and the adapter 50 can avoid each other, do not influence each other and are convenient to install.

As shown in fig. 1 and 3, further, a heating film 70 and/or a cooling member 80 may be optionally disposed above the electric core pack 10 and below the electric core pack 10.

Specifically, the heating film 70 and/or the cooling member 80 may be disposed on the electric core pack 10, and may be selectively disposed according to the requirement of the electric core pack 10, and there are various selection manners, for example, the heating film 70 or the cooling member 80 may be disposed on both the upper and lower surfaces of the electric core pack 10, or the heating film 70 or the cooling member 80 may be disposed on the upper side of the electric core pack 10, the cooling member 80 or the heating film 70 may be disposed on the lower side of the electric core pack 10, and the heating film 70 and the cooling member 80 are disposed in contact with the electric core pack 10, so that the upper side and the lower side of the electric core pack 10 can be heated or cooled according to the requirement of the electric core pack 10, when the temperature of the electric core pack 10 is low, the heating film 70 may be disposed on the upper side or the lower side of the electric core pack 10, and the electric core pack 10 can be rapidly heated, so that the electric core pack 10 can be rapidly heated, and when the temperature of the electric core pack 10 is high, the cooling member 80 may be disposed on the upper side or the lower side of the electric core pack 10, the temperature of the electric core assembly 10 can be effectively reduced.

As shown in fig. 1, an energy storage device according to an embodiment of the present application includes: the case 90 and the battery module 100 in the above embodiment are provided with the mounting beam 91 on the case 90, and the mounting beam 91 is overlapped with the mounting step to fix the battery module 100.

Specifically, the battery module 100 is mounted on the case 90, a plurality of battery modules 100 may be mounted on the case 90, the plurality of battery modules 100 are sequentially arranged, a plurality of mounting beams 91 are spaced apart from the case 90, the mounting beams 91 are configured as an inverted "T" shaped structure protruding from the surface of the case 90, when the battery module 100 is mounted on the case 90, the mounting step is aligned with the mounting beams 91 on the case 90, the mounting beams 91 are fitted into the mounting step, and the mounting step is used for fixing the battery module 100.

It should be noted that, the portion of the mounting beam 91 contacting the box 90 is the flanging structure of the mounting beam 91, the flanging structure is attached to the bottoms of the two adjacent battery modules 100, the other portion of the mounting beam 91 perpendicular to the flanging structure is attached to the side plates 20 of the two adjacent battery modules 100, the mounting beam 91 is arranged on the box 90, and the mounting beam 91 and the mounting step are lapped to fix the battery modules 100 on the box 90.

It is understood that the battery module 100 of the present application may be formed as an energy storage device alone, or a plurality of battery modules 100 constitute an energy storage device, and the corresponding energy storage device may be an energy storage device employing a plurality of battery modules 100 or one battery module 100, for example: the battery pack may be an electric device that can realize cyclic charge and discharge using a plurality of battery modules 100 or one battery module 100, for example: provided is an electric vehicle.

As shown in fig. 2, specifically, the case 90 has a bottom plate, and the mounting beam 91 includes: the horizontal plate portion 911 is fixed with the bottom plate, and the vertical beam 912 is fixed with the side plate 20 by a fastener.

It should be noted that the horizontal plate portion 911 is horizontally disposed on a bottom plate of the box 90 and is fixedly connected to the bottom plate of the box 90, one end of the vertical beam 912 is vertically disposed at a central position of the horizontal plate portion 911, and the other end of the vertical beam 912 extends toward a direction away from the horizontal plate portion 911, the horizontal plate portion 911 is of a solid plate structure, the vertical beam 912 is of a hollow rectangular structure, when the battery module 100 is mounted on the box 90, the side plate 20 of the battery module 100 is directly opposite to the vertical beam 912, an avoiding hole is formed in the bottom of the side plate 20, avoiding holes are also formed in the horizontal plate portion 911 and the vertical beam 912, the avoiding hole of the side plate 20 is directly opposite to the avoiding hole of the vertical beam 912, the side plate 20 and the vertical beam 912 are fixed by a fastener, the types of the fastener are multiple, and in order to reduce the size of the avoiding hole, an allen-head bolt may be preferentially selected here. The mounting beam 91 is configured in such a structure and connected with the battery module 100 in such a manner, so that a supporting force can be provided for the battery module 100, the space can be effectively utilized, the space is saved, and the spatial layout is optimized.

When the battery module 100 is mounted on the case 90, the vertical beam 912 is bonded to the bottom of the side plate 20, the horizontal plate portion 911 is bonded to the bottom of the battery module 100, and heat insulating spacers are provided between the bonding surfaces of the vertical beam 912 and the bottom of the side plate 20 and between the horizontal plate portion 911 and the bonding surface of the bottom of the battery module 100, so that the battery module 100 can be insulated and thermally insulated.

Further, as shown in fig. 1, adjacent horizontal plate portions 911 define therebetween an accommodating space in which the heating film 70 and/or the cooling member 80 at the bottom of the battery module 100 are disposed.

Specifically speaking, battery module 100 sets up between two adjacent installation roof beams 91, battery module 100's the side is laminated with the vertical roof beam body 912 of two installation roof beams 91, horizontal plate portion 911 is located battery module 100's below, it laminates with battery module 100's bottom, form the accommodation space between two adjacent horizontal plate portion 911 near one end, can place heating member and cooling member 80 according to battery module 100's demand selection in the accommodation space, can also place heating film 70 or cooling member 80 alone, heat or cool off to battery module 100's bottom, it can make the space utilization more reasonable to set up heating film 70 and cooling member 80 in the accommodation space, space utilization has been improved.

In the description of the present application, it is to be understood that the terms "length," "width," "thickness," "upper," "lower," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be considered as limiting the present application. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.

In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the application, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A battery module, comprising:

the battery core group (10), the battery core group (10) comprises a plurality of battery cell rows (11) which are sequentially arranged in the width direction of the battery module (100), and each battery cell row (11) comprises a plurality of battery cells which are sequentially arranged in the length direction of the battery module (100);

curb plate (20) and end plate (30), curb plate (20) are located the both sides of electricity core row (11), and adjacent electricity core row (11) between have one curb plate (20), end plate (30) set up the tip of curb plate (20), and adjacent two be provided with between curb plate (20) end plate (30), the height of end plate (30) is greater than the height of curb plate (20), just end plate (30) with the difference in height between curb plate (20) is injectd and is used for fixing the installation step of battery module (100).

2. The battery module according to claim 1, wherein the side plate (20) includes: a hollow plate portion (22) that is provided in a hollow manner, and a fixing plate portion (21) that is located below the hollow plate portion (22), the fixing plate portion (21) being used to fix the battery module (100), the hollow plate portion (22) defining a cooling flow passage (a).

3. The battery module according to claim 2, wherein the end of the side plate (20) has a transfer table (40) convexly disposed and bent toward the end plate (30), the transfer table (40) communicates with the cooling flow passage (a), and the transfer table (40) has a transfer joint (50) disposed thereon.

4. A battery module according to claim 3, wherein two of said adapters (50) at opposite ends of said side plate (20) are configured as a liquid inlet adapter (51) and a liquid return adapter (52), respectively, such that said adapters (50) at the same side end of said plurality of cooling channels (a) are each configured as said liquid inlet adapter (51) and said adapters (50) at the same side end are configured as said liquid return adapter (52).

5. The battery module according to claim 2, wherein a heating element is further embedded on the side of the side plate (20) attached to the battery cell column (11), and a power supply lead (60) of the heating element is positioned above the end of the side plate (20).

6. The battery module of claim 5, wherein the power lead (60) is spaced from the adapter (50) on the side plate (20).

7. The battery module according to claim 1, wherein a heating film (70) and/or a cooling member (80) are further optionally disposed above the electric core pack (10) and below the electric core pack (10).

8. An energy storage device, comprising:

the box body (90), wherein the box body (90) is provided with a mounting beam (91);

the battery module (100) of any of claims 1-7, the mounting beam (91) overlapping the mounting step to secure the battery module (100).

9. Energy storage device according to claim 8, characterized in that said tank (90) has a floor, said mounting beam (91) comprising: the horizontal plate part (911) and the vertical beam body (912) are located above the horizontal plate part (911), the horizontal plate part (911) is fixed with the bottom plate, and the vertical beam body (912) is opposite to the side plate (20) and is fixed through a fastener.

10. The energy storage device according to claim 9, wherein adjacent horizontal plate portions (911) define therebetween a housing space in which a heating film (70) and/or a cooling member (80) at the bottom of the battery module (100) is disposed.

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