CN215266453U - Battery module and battery pack - Google Patents

Abstract

The utility model discloses a battery module and battery package, the battery package includes: a housing; the battery is arranged in the shell, a partition plate is arranged between every two adjacent batteries, and each battery is provided with a pole; wherein the casing is equipped with heat conduction structure, heat conduction structure runs through the casing, just heat conduction structure is located one end in the casing with the laminating of utmost point post. The utility model discloses battery module sets up the baffle between adjacent battery, sets up the heat conduction structure that runs through the casing simultaneously, not only can avoid the heat after the battery thermal runaway to spread fast, and can derive the heat that the battery produced outside the casing in time to the realization is to the quick heat dissipation of battery, avoids the battery high temperature to lead to the thermal runaway, and has reserved sufficient time of fleing for the user, has improved battery module's security.

Description

Battery module and battery pack

Technical Field

The utility model belongs to the technical field of the battery manufacturing technique and specifically relates to a battery module and battery package that has this battery module are related to.

Background

In the existing market, the group battery can adopt insulating aerogel pad in order to cut off adjacent battery cell usually, when thermal runaway appears in battery cell, prevent that the heat from conducting fast to adjacent battery cell on to avoid arousing chain reaction, but the aerogel pad is unfavorable for battery cell's heat dissipation, when high-power discharges or is in high temperature environment, battery cell's temperature rise is too high easily leads to thermal runaway phenomenon, and the security is relatively poor, exists the modified space.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the present invention is to provide a battery module, which is beneficial to heat dissipation of a battery to avoid thermal runaway caused by excessive temperature of the battery.

According to the utility model discloses battery module, include: a housing; the battery is arranged in the shell, a partition plate is arranged between every two adjacent batteries, and each battery is provided with a pole; wherein the casing is equipped with heat conduction structure, heat conduction structure runs through the casing, just heat conduction structure is located one end in the casing with the laminating of utmost point post.

According to the utility model discloses battery module sets up the baffle between adjacent battery, sets up the heat conduction structure who runs through the casing simultaneously, not only can avoid the heat rapid diffusion after the battery thermal runaway, and can derive the heat that the battery produced outside the casing in time to the realization is to the quick heat dissipation of battery, avoids the battery high temperature to lead to the thermal runaway, and has reserved sufficient time of fleing for the user, has improved battery module's security.

According to the utility model discloses some embodiments's battery module, heat conduction structure includes insulating heat conduction portion and radiating part, insulating heat conduction portion run through the casing with the utmost point post laminating, the radiating part is located outside the casing and with insulating heat conduction portion extends the outer one end of casing links to each other.

According to the utility model discloses some embodiments's battery module, the heat dissipation part is constructed for the columnar structure, just the heat dissipation part is a plurality of, and is a plurality of the heat dissipation part is in spaced apart distribution on the terminal surface of insulating heat conduction portion.

According to the utility model discloses some embodiments's battery module, the extending direction of heat dissipation part is for deviating from the direction of insulating heat conduction portion, and arbitrary adjacent two be formed with the heat dissipation clearance between the heat dissipation part.

According to the utility model discloses battery module of some embodiments, the heat dissipation part is in the terminal surface of insulating heat conduction portion is the multiunit and distributes, and the multiunit the heat dissipation part is in spaced apart distribution in the width direction of insulating heat conduction portion, and every group all includes a plurality ofly the heat dissipation part, and every group is a plurality of the heat dissipation part is followed the spaced apart distribution of length direction of insulating heat conduction portion.

According to the utility model discloses some embodiments's battery module, the heat-radiating part is filled with phase change material, phase change material is suitable for the gasification of heat absorption when the temperature of battery risees.

According to the utility model discloses battery module of some embodiments, the casing includes roof, side bounding wall and bottom plate, the roof install in the upper end of side bounding wall, the bottom plate install in the lower extreme of side bounding wall, heat conduction structure install in the roof.

According to the utility model discloses the battery module of some embodiments, at least two the battery distributes in proper order on the horizontal direction, just the last border of baffle with the roof laminating, the side border of baffle with the laminating of the interior perisporium of side bounding wall, the lower border of baffle with the bottom plate laminating.

According to the utility model discloses some embodiments's battery module, the material of baffle can be got for foaming polypropylene, foaming polyethylene terephthalate and foaming polyvinyl chloride in arbitrary one.

The utility model also provides a battery package.

According to the utility model discloses battery package is provided with the battery module of any kind of above-mentioned embodiment.

The advantages of the battery pack and the battery module are the same compared with the prior art, and are not described herein again.

Additional aspects and advantages of the invention 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 invention.

Drawings

The above and/or additional aspects and advantages of the present invention 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 front sectional view illustrating a structure of a battery module according to an embodiment of the present invention;

fig. 2 is a structural plan view of a battery module according to an embodiment of the present invention (with a case removed);

fig. 3 is a top view of a top plate of a battery module according to an embodiment of the present invention;

fig. 4 is a top view of a heat conducting structure in a battery module according to an embodiment of the present invention.

Reference numerals:

the battery module 100 is provided with a battery case,

a shell 1, a top plate 11, a side wall plate 12, a bottom plate 13, a battery 2, a pole 21,

the heat-conducting structure 4, the insulating heat-conducting portion 41, and the heat-dissipating portion 42.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, 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 function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

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

As shown in fig. 1, the battery module 100 according to the embodiment of the present invention includes: a housing 1 and a battery 2.

Wherein, as shown in fig. 1, casing 1 can be constructed as the rectangle structure, be equipped with towards the open square chamber in one side in the casing 1, battery 2 can be installed to square intracavity from the end that opens in square chamber, a plurality of batteries 2 are installed to square intracavity, a plurality of batteries 2 can be followed casing 1's width direction (direction about as in fig. 1) interval setting, through installing battery 2 in casing 1, and open mouthful department in square chamber installs the end plate that corresponds, in order to seal square chamber, thereby separate battery 2 with the external world, reduce external environment to battery 2's interference, battery module 100's leakproofness has been guaranteed, battery 2's stability has been improved.

Be equipped with baffle 3 between the adjacent battery 2, baffle 3 can construct for square platelike structure, and the diapire department in square chamber is installed to the lower extreme of baffle 3, and the whole upwards extension of baffle 3 arranges, and the both sides face of baffle 3 supports respectively and presses the lateral wall department at battery 2 to carry on spacingly to battery 2, improved battery 2's stability, thereby improve battery module 100's stability. Wherein, the material of baffle 3 is got for insulating and heat insulating material, through set up baffle 3 between adjacent battery 2 to avoid adjacent battery 2 circular telegram short circuit, and when battery 2 thermal runaway, baffle 3 can reduce or isolated the heat of transmitting to adjacent battery 2, avoids producing the rapid thermal diffusion phenomenon, reserves sufficient time of fleing for the user.

One end of the battery 2 is provided with two spaced poles 21, the two poles 21 are respectively a positive pole 21 and a negative pole 21, and the positive pole 21 and the negative pole 21 are electrically connected with the outside, so that the battery 2 can be charged and discharged. The lateral wall of the casing 1 corresponding to the pole 21 is provided with a heat conducting structure 4, the heat conducting structure 4 penetrates through the casing 1, and one end of the heat conducting structure 4 in the casing 1 is attached to the pole 21.

Wherein, heat conduction structure 4 establishes to a plurality ofly, a plurality of heat conduction structures 4 and a plurality of utmost point post 21 one-to-ones, heat conduction structure 4 can run through casing 1's lateral wall along the thickness direction, heat conduction structure 4's one end stretches into square intracavity, thereby laminate with utmost point post 21, heat conduction structure 4's the other end extends the external world, thereby contact with the air, when battery 2 work generates heat, utmost point post 21 department's temperature is higher, outside heat direction casing 1 with utmost point post 21 department through heat conduction structure 4, and in outdiffusion to the outside air, realize the quick heat dissipation to battery 2, effectively reduced battery 2's temperature, battery 2's high temperature has been avoided and battery 2 thermal runaway is leaded to.

According to the utility model discloses battery module 100 sets up baffle 3 between adjacent battery 2, set up the heat conduction structure 4 that runs through casing 1 simultaneously, not only can avoid the heat rapid diffusion after battery 2 thermal runaway, and can derive the heat that battery 2 produced outside casing 1 in time, thereby realize the quick heat dissipation to battery 2, avoid battery 2 high temperature to lead to thermal runaway, and reserved sufficient time of fleing for the user, battery module 100's security has been improved.

In some embodiments, the heat conducting structure 4 includes an insulating heat conducting portion 41 and a heat dissipating portion 42, the insulating heat conducting portion 41 penetrates through the housing 1 to be attached to the pole 21, and the heat dissipating portion 42 is located outside the housing 1 and connected to an end of the insulating heat conducting portion 41 extending out of the housing 1.

That is to say, as shown in fig. 1, the insulating heat conducting portion 41 is configured as a square plate-shaped structure, the insulating heat conducting portion 41 penetrates through the housing 1 in the thickness direction, one end of the insulating heat conducting portion 41 close to the battery 2 is attached to the end face of the terminal 21, and the size of the end face of the insulating heat conducting portion 41 is not smaller than the size of the end face of the terminal 21, so as to increase the heat exchange area between the insulating heat conducting portion 41 and the terminal 21 as much as possible and improve the heat dissipation efficiency of the battery 2, and the other end of the insulating heat conducting portion 41 extends to the outside of the housing 1, so that the insulating heat conducting portion 41 can conduct heat to the outside of the housing 1. Preferably, the material of insulating heat conduction portion 41 can select materials such as silica gel for use for insulating heat conduction portion 41 has good thermal conductivity and insulating properties, when guaranteeing the thermal conductivity efficiency, avoids utmost point post 21 to produce short circuit or electric leakage.

Further, as shown in fig. 1, the heat dissipation part 42 is connected to the end of the insulating heat conduction part 41 away from the battery 2, and the heat dissipation part 42 is used for increasing the heat exchange area between the heat conduction structure 4 and the outside air, so that the heat transferred to the heat conduction structure 4 is rapidly diffused into the air, the temperature of the heat conduction structure 4 is reduced, the temperature difference between the battery 2 and the heat conduction structure 4 is kept, and the heat dissipation efficiency of the battery 2 is further improved.

In some embodiments, the heat dissipation portion 42 is configured as a cylindrical structure, that is, after the heat dissipation portion 42 is configured as a cylindrical or square-cylindrical columnar structure, the heat dissipation portion 42 has a larger surface area to have a larger heat exchange area with air, and the heat dissipation portion 42 can have sufficient strength to dissipate heat, so that the heat dissipation portion 42 can be kept stable when being impacted by the outside, and the reliability of the heat dissipation process can be improved.

Wherein, the heat dissipation can be taken as a plurality ofly, and a plurality of radiating parts 42 all set up on the terminal surface of insulating heat conduction portion 41, and a plurality of radiating parts 42 are spaced apart to distribute to avoid mutual interference and influence radiating efficiency between the radiating part 42, through setting up a plurality of radiating parts 42, further improved the heat transfer area of heat conduction structure 4 with the air, improved battery 2's radiating efficiency. It should be noted that, the whole of the heat dissipation portion 42 may be arranged to extend toward any direction, for example, a plurality of heat dissipation portions may be configured to be arranged to incline toward a direction away from the middle area, so as to further reduce interference between the plurality of heat dissipation portions 42 and improve the heat dissipation efficiency of the heat dissipation structure.

In some embodiments, the extending direction of the heat dissipation portions 42 is a direction away from the insulating heat conduction portion 41, and a heat dissipation gap is formed between any two adjacent heat dissipation portions 42. That is to say, as shown in fig. 1, one end of the heat dissipation portion 42 is connected to the end face of the insulating heat conduction portion 41, the heat dissipation portion 42 extends toward the direction away from the insulating heat conduction portion 41 as a whole, so that the heat dissipation portion 42 extends toward the direction away from the insulating heat conduction portion 41 as a whole as much as possible, so as to have a large air contact surface, and by setting a heat dissipation gap between any two adjacent heat dissipation portions 42, mutual interference between the plurality of heat dissipation portions 42 is reduced, the air contact surface of each heat dissipation portion 42 is increased, the heat exchange efficiency between the heat dissipation portion 42 and the air is improved, thereby improving the heat dissipation efficiency of the battery 2, and further ensuring the safety of the battery 2.

In some embodiments, the heat dissipation portions 42 are distributed in a plurality of groups on the end surface of the insulating heat conduction portion 41, the plurality of groups of heat dissipation portions 42 are distributed at intervals in the width direction of the insulating heat conduction portion 41, each group includes a plurality of heat dissipation portions 42, and the plurality of heat dissipation portions 42 of each group are distributed at intervals along the length direction of the insulating heat conduction portion 41.

That is, as shown in fig. 4, the plurality of groups of heat dissipation portions 42 are uniformly spaced apart in the left-right direction, and the gap width between two adjacent groups of heat dissipation portions 42 is kept constant, so as to construct a rectangular heat dissipation gap, thereby avoiding the uneven heat dissipation efficiency of the single group of heat dissipation portions 42, each group of heat dissipation portions 42 has a plurality of heat dissipation portions 42, the plurality of heat dissipation portions 42 are uniformly spaced apart in the up-down direction, and the gap width between two adjacent heat dissipation portions 42 is kept constant and equal to the gap width between two adjacent groups of heat dissipation portions 42, so that the plurality of heat dissipation portions 42 are distributed in a matrix form.

Through the above arrangement, the heat dissipation portions 42 can be mounted on the end faces of the insulating heat conduction portions 41 as many as possible, and each side face of each heat dissipation portion 42 is provided with the same heat dissipation gap, so that the heat dissipation efficiency of each heat dissipation portion 42 is ensured, and therefore, the heat dissipation efficiency of the heat conduction structure 4 is improved, the cooling efficiency of the battery 2 is improved, and the safety of the battery module 100 is improved.

In some embodiments, the heat dissipation portion 42 is filled with a phase change material adapted to absorb heat to vaporize when the temperature of the battery 2 increases. Specifically, a sealing cavity can be constructed in the heat dissipation part 42, the phase change material is filled in the sealing cavity, the volume of the sealing cavity is larger than that of the phase change material, when the temperature of the battery 2 is too high, the phase change material absorbs heat and is gasified to reduce the temperature of the battery 2, the phenomenon that the temperature rise of the battery 2 is too high and thermal runaway occurs is avoided, and after the temperature of the battery 2 is reduced, the phase change material dissipates heat outwards to realize cooling solidification, so that the repeated use of the phase change material is realized, and the reliability of the battery 2 is improved.

Furthermore, a phase change material can be coated on the outer side of the heat dissipation part 42, and when thermal runaway occurs in the battery 2, the phase change material coated on the outer side can absorb heat and be gasified, so that the thermal diffusion speed of the thermal runaway is reduced, and sufficient escape time is reserved for users.

In some embodiments, the housing 1 includes a top plate 11, a side wall plate 12, and a bottom plate 13, the top plate 11 being mounted to an upper end of the side wall plate 12, the bottom plate 13 being mounted to a lower end of the side wall plate 12, and the heat conducting structure 4 being mounted to the top plate 11.

Wherein, as shown in fig. 1, the bottom plate 13 is constructed as a rectangular plate, the side wall plates 12 are set to four, the lower ends of the four side wall plates 12 are respectively fixed at four side edge positions of the bottom plate 13, so as to construct a square cavity which is open upwards, a plurality of batteries 2 can be installed to the square cavity from the upside, the pole posts 21 of the batteries 2 are arranged at the upper end surface of the batteries 2, so as to be electrically connected with the outside, the top plate 11 is constructed as a rectangular plate, the size of the top plate 11 is equal to that of the bottom plate 13, the top plate 11 is detachably installed at the upper ends of the side wall plates 12, so as to close the square cavity from the open end.

It should be noted that, a plurality of heat conducting structures 4 are disposed at the top plate 11 corresponding to the plurality of poles 21, the insulating heat conducting portion 41 penetrates through the top plate 11 along the height direction, the lower end of the insulating heat conducting portion 41 is attached to the end portion of the pole 21, wherein the insulating heat conducting portion 41 can be bonded to the pole 21, the upper end of the insulating heat conducting portion 41 extends to the upper side of the top plate 11 and protrudes out of the upper side surface of the top plate 11, so as to exchange heat with the outside air through the heat dissipating portion 42 at the upper end thereof.

In some embodiments, at least two batteries 2 are distributed in sequence in the horizontal direction, and the upper edge of the partition board 3 is attached to the top board 11, the side edges of the partition board 3 are attached to the inner peripheral wall of the side wall board 12, and the lower edge of the partition board 3 is attached to the bottom board 13.

That is to say, as shown in fig. 1, a plurality of batteries 2 are distributed at intervals in sequence along the left-right direction, and the sides of the plurality of batteries 2 are arranged in parallel, a partition plate 3 is arranged between adjacent batteries 2, the lower edge of the partition plate 3 is attached to the upper side of a bottom plate 13, and the two side edges of the partition plate 3 are respectively attached to side wall plates 12 corresponding to the two sides, so that the partition plate 3 can be installed in a square cavity, when a top plate 11 is installed on the upper side of the square cavity, the upper edge of the partition plate 3 is attached to the lower side of the top plate 11, the adjacent batteries 2 are completely separated by arranging the partition plate 3, when a single battery 2 generates a large amount of heat due to thermal runaway, the partition plate 3 can reduce or eliminate the heat transferred to the adjacent batteries 2, thereby preventing the batteries 2 from generating the thermal runaway phenomenon, and reserving enough escape time for users.

Preferably, as shown in fig. 2, in the embodiment, the size of the partition board 3 in the transverse direction (e.g., the left-right direction in fig. 2) may be smaller than the size of the square cavity in the transverse direction, after the partition board 3 is mounted to the square cavity, the two side edges of the partition board 3 respectively have a small gap with the side wall of the square cavity, on the premise that the thermal insulation effect is not affected, the precision requirement of the partition board 3 is reduced, and when the battery 2 expands due to thermal runaway of the battery 2, the partition board 3 may be deformed to the two sides by force, so as to reduce the impact on the adjacent battery 2, and further improve the safety of the battery module 100.

In a specific installation process, the partition plate 3 may be installed in advance in the square cavity to partition a plurality of accommodation spaces in the square cavity, and the plurality of batteries 2 are installed in the plurality of accommodation spaces one by one to complete the preliminary installation of the battery module 100; or the batteries 2 may be mounted in the direction cavities first, and after the plurality of batteries 2 are mounted, the separators 3 are mounted in the gaps between the adjacent batteries 2 to complete the preliminary mounting of the battery module 100.

In some embodiments, the material of the partition board 3 may be any one of foamed polypropylene, foamed polyethylene terephthalate, and foamed polyvinyl chloride. Through the aforesaid setting for baffle 3 has good heat-proof quality and insulating nature, after baffle 3 installs the clearance between two adjacent batteries 2, good insulating properties has between two adjacent batteries 2, in order to avoid adjacent battery 2 to produce the electricity and connect, the reliability of battery module 100 has been improved, and when single battery 2 produced the thermal runaway, baffle 3 can slow down the speed of 2 heat outdiffusion of battery, in order to slow down or eliminate the phenomenon of catenated thermal runaway, reserve the time of fleing for the user. Meanwhile, the separator 3 can be elastically deformed when the batteries 2 swell to reduce the compression of the adjacent batteries 2, improving the safety of the battery module 100.

The utility model also provides a battery package.

According to the utility model discloses battery package is provided with the battery module 100 of any kind of above-mentioned embodiment. Set up baffle 3 between adjacent battery 2, set up the heat conduction structure 4 that runs through casing 1 simultaneously, not only can avoid the quick diffusion of heat after battery 2 thermal runaway, and can in time derive the heat that battery 2 produced outside casing 1, thereby realize the quick heat dissipation to battery 2, avoid battery 2 high temperature to lead to thermal runaway, and reserved sufficient time of fleing for the user, the security of battery module 100 has been improved, thereby the security of battery package has been improved, user's satisfaction and the confidence to the vehicle have been promoted.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features.

In the description of the present invention, "a plurality" means two or more.

In the description of the present invention, the first feature "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact with each other not directly but through another feature therebetween.

In the description of the invention, the first feature being "on", "above" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean 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 invention. 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 invention 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 invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A battery module (100), comprising:

a housing (1);

the battery pack comprises at least two batteries (2), wherein the batteries (2) are arranged in the shell (1), a partition plate (3) is arranged between every two adjacent batteries (2), and each battery (2) is provided with a pole (21); wherein

Casing (1) is equipped with heat conduction structure (4), heat conduction structure (4) run through casing (1), just heat conduction structure (4) are located one end in casing (1) with utmost point post (21) laminating.

2. The battery module (100) according to claim 1, wherein the heat conducting structure (4) comprises an insulating heat conducting portion (41) and a heat dissipating portion (42), the insulating heat conducting portion (41) penetrates through the housing (1) to be attached to the pole (21), and the heat dissipating portion (42) is located outside the housing (1) and connected to one end of the insulating heat conducting portion (41) extending out of the housing (1).

3. The battery module (100) according to claim 2, wherein the heat dissipation members (42) are configured in a columnar structure, and the heat dissipation members (42) are plural, and the plural heat dissipation members (42) are spaced apart on the end faces of the insulating heat-conducting members (41).

4. The battery module (100) according to claim 3, wherein the heat dissipation parts (42) extend in a direction away from the insulating heat-conducting part (41), and a heat dissipation gap is formed between any two adjacent heat dissipation parts (42).

5. The battery module (100) according to claim 2, wherein the heat dissipation members (42) are distributed in groups at the end surfaces of the insulating and heat-conducting members (41), the groups of heat dissipation members (42) are distributed at intervals in the width direction of the insulating and heat-conducting members (41), each group includes a plurality of heat dissipation members (42), and the plurality of heat dissipation members (42) of each group are distributed at intervals along the length direction of the insulating and heat-conducting members (41).

6. The battery module (100) according to claim 2, wherein the heat dissipation part (42) is filled with a phase change material adapted to absorb heat to be gasified when the temperature of the battery (2) increases.

7. The battery module (100) according to any one of claims 1 to 6, wherein the housing (1) comprises a top plate (11), a side wall plate (12) and a bottom plate (13), the top plate (11) is mounted at an upper end of the side wall plate (12), the bottom plate (13) is mounted at a lower end of the side wall plate (12), and the heat conducting structure (4) is mounted at the top plate (11).

8. The battery module (100) according to claim 7, wherein at least two batteries (2) are sequentially distributed in the horizontal direction, the upper edge of the partition (3) is attached to the top plate (11), the side edge of the partition (3) is attached to the inner peripheral wall of the side enclosing plate (12), and the lower edge of the partition (3) is attached to the bottom plate (13).

9. The battery module (100) according to any one of claims 1 to 6, wherein the separator (3) is made of any one of foamed polypropylene, foamed polyethylene terephthalate, and foamed polyvinyl chloride.

10. A battery pack, characterized in that the battery module (100) according to any one of claims 1 to 9 is provided.

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