KR101793728B1 - Cartridge For Cell, And Cell Module, Cell Module Assembly And Battery Pack Comprising The Same - Google Patents

Abstract

The present invention discloses a battery cartridge. The cartridge according to the present invention comprises: an installation plate having fixing ribs at an end thereof; And at least one cooling plate disposed on the seating plate, wherein the cooling plate is fixed to the seating plate and protrudes from the seating plate between the fixing ribs and has a concavo-convex shape. Further, a battery module, a battery module assembly and a battery pack including the cartridge according to the present invention are also disclosed.

Description

[0001] The present invention relates to a battery cartridge, and a battery module, a battery module assembly, and a battery pack including the battery cartridge,

The present invention minimizes the final volume of the assembly of cartridges and batteries by accommodating prismatic cells in the cartridges in the battery, eliminating the unnecessary space between the cartridges and the cells, And a battery module including the same, a battery module assembly, and a battery pack.

Recently, in order to reduce the air pollution caused by the exhaust gas of a vehicle, the vehicle is being manufactured based on a study for securing a driving force by using an internal combustion engine and / or an electric motor. Accordingly, the vehicle evolved in the order of a hybrid car, a plug-in hybrid car, and an electric car. In this case, the hybrid vehicle and the plug-in hybrid vehicle have an internal combustion engine, an electric motor and a battery, and the electric vehicle has an electric motor and a battery without an internal combustion engine.

In addition, the battery has evolved with hybrid cars, plug-in hybrid cars and electric vehicles. The battery is configured to be chargeable outside the electric vehicle. The battery has a plurality of battery modules, and each of the battery modules has one or a plurality of secondary batteries on the cartridge. The cartridge is configured to receive the secondary battery, and the secondary battery generates heat from the inside to the outside due to repetitive charging and discharging during the service life of the battery.

In order to cool the secondary battery, the cartridge has a shape that minimizes a contact area with the secondary battery, or has a shape that allows heat conduction from the secondary battery toward the heat dissipating member in contact with the heat dissipating member located around the secondary battery. The contact area minimizing shape of the cartridge and the secondary battery is realized by providing a plurality of protrusions on the seating surface of the cartridge so as to have an air flow space between the cartridge and the secondary battery. The airflow space forms an additional area between the cartridge and the secondary cell.

In addition, the possible shape of the heat conduction between the secondary battery and the heat dissipating member is realized by indirectly contacting the secondary battery and the heat dissipating member through the cartridge to dissipate the heat of the secondary battery to the outside using heat exchange between the heat dissipating member and air . In order to increase the contact area between the heat radiating member and the air, many studies on the change of the structure of the heat radiating member have been performed. As an example, a modification of the structure of the heat dissipating member is disclosed in Korean Unexamined Patent Application Publication No. 10-2013-0086678 (published on Aug. 05, 2013).

The battery module has cartridges, batteries, and a heat radiation support member. Each of the cartridges surrounds the battery cells, and the heat radiating support member is located at one side of the cartridges to surround the cartridges. The heat radiation support member is made of aluminum and has a concavo-convex structure. In this case, the cartridges are seated in the concavo-convex structure of the heat radiation support member. The heat dissipation member increases the contact area with air using a concavo-convex structure to conduct the heat of the battery cells to the outside.

However, referring to the above-mentioned prior art, the air flow area between the cartridge and the battery increases the volume of the battery module, thereby limiting the use space of the battery, and the cartridge and the heat radiation support member are complicated So that the cooling time of the battery is lengthened.

SUMMARY OF THE INVENTION The present invention has been made under the background of the above-mentioned prior art, and it is an object of the present invention to provide a battery cartridge suitable for removing an unnecessary space between a cartridge and a battery in a battery and simplifying a cooling structure of the battery, The purpose is to provide.

According to an aspect of the present invention, there is provided a battery cartridge comprising: a seating plate having fixing ribs at an end thereof; And at least one cooling plate disposed on the seating plate, wherein the cooling plate is fixed to the seating plate and protrudes from the seating plate between the fixing ribs and has a concavo-convex shape.

In one aspect, the seating plate is rectangular and can define cooling slits that are sequentially stacked.

In another aspect, the seating plate and the fixed ribs may have insulating properties.

According to the invention, the fixed ribs can be positioned between the edges and the edges in the seating plate and protrude from the seating plate toward both sides of the seating plate.

Preferably, the fixed ribs between the corners can protrude to a smaller size on the seating plate, which is positioned parallel to the concave-convex shape of the cooling plate, than on the seating plate positioned perpendicular to the concave-convex shape of the cooling plate .

According to the present invention, the cooling plate may have a curved portion on the seating plate.

In one aspect, the cooling plate may be located at opposite edges on one side of the seating plate and extend outwardly from the edges toward the central region and from the edges.

In another aspect, the cooling plate is disposed on the seating plate so as to face diagonally at an edge of the one surface and the edge of the other surface opposite to the one surface, from the edges toward the central region and from the edges Lt; / RTI >

In yet another aspect, the cooling plate may be located at the edge of one side of the seating plate and extend from the edge toward the central region and outward from the edge.

Here, the cooling plate may have a conductive property.

Further, the concavoconvex shape may be located apart from the seating plate.

According to an aspect of the present invention, there is provided a battery module including: a battery; And at least one cooling plate located on the seating plate, wherein the cooling plates are integrally formed with the seating plate, And protruding and protruding shapes protruding from the seating plate between the fixing ribs, respectively, and the battery is surrounded by the seating plate and the cooling plates.

Preferably, the battery may be prismatic.

In one aspect, the seating plate is rectangular and may have cooling slits.

In another aspect, the seating plate, the fixed ribs, and the cooling plates may contact the battery.

According to the present invention, the cooling plates may be located at opposite edges on one side of the seating plate and extend from the edges to a central region and an opposite side of the one side.

In one aspect, the cooling plates may be in contact with opposite sides of the cell, respectively.

In another aspect, the concavoconvex shapes may be located on both sides of the cell.

According to an aspect of the present invention, there is provided a battery module assembly including: first cartridges facing each other; And a plurality of battery modules disposed between the first cartridges, wherein each of the battery modules includes a battery and a second cartridge that receives the battery, wherein each of the first cartridges has a first Wherein the second cartridge includes a second seating plate having second fixing ribs at an end thereof and cooling plates positioned on the second seating plate, And a plurality of protrusions and protrusions protruding from the second seating plate between the second fixing ribs and fixed to the second seating plate, And the second plate and the cooling plates are surrounded by the plate and the cooling plates and between the outermost battery modules.

Preferably, the battery may be square.

In one aspect, the first seating plate and the second seating plate are rectangular, and the second seating plate can define cooling slits.

In another aspect, the first fixed ribs extend from the first seating plate toward one side of the first seating plate, and the second fixing ribs extend from the second seating plate to both sides of the second seating plate And the first fixing ribs and the second fixing ribs can face each other.

In yet another aspect, the first seating plate, the first fixing ribs, the second seating plate, the second fixing ribs, and the cooling plates may contact the battery.

According to the present invention, the second cartridge can accommodate two adjacent batteries.

Advantageously, two adjacent ones of the plurality of battery modules may have second cartridges spaced apart from each other.

According to an aspect of the present invention, there is provided a battery pack comprising: end plates facing each other; A battery module assembly positioned between the end plates; Support bars connecting the end plates around the battery module assembly; And ducts positioned respectively on opposite sides of the battery module assembly between the support bars, wherein the battery module assembly includes first cartridges facing each other and a plurality of battery modules disposed between the first cartridges, Wherein each of the battery modules includes a battery and a second cartridge that receives the battery, wherein each of the first cartridges includes a first seating plate having first fixing ribs at an end thereof, The second cartridge includes a second seating plate having second fixing ribs at an end thereof and cooling plates positioned on the second seating plate, the cooling plates being fixed to the second seating plate so that the second fixing ribs And the battery has protrusions and protrusions protruding from the second seating plate between the outermost battery modules and the first seating plate, 2 is surrounded by a mounting plate and the cooling plates and between the battery module of the outermost characterized surrounded by the second seat plate and the cooling plates.

Preferably, the battery is rectangular, and the first seating plate, the second seating plate, and the end plates may be rectangular.

In one aspect, each of the end plates may be in contact with the first seating plate.

In another aspect, the end plates may have a larger area than the first seating plate and the second seating plate.

In another aspect, the support bars may be positioned between the edges of the end plates around the first and second fixing ribs.

Here, the support bars may be screwed to the end plates.

The battery cartridge according to the present invention has opposed cooling plates on the seating plate so that the square plates and the cooling plates can sufficiently contact and accommodate the prismatic cells.

The battery module according to the present invention includes a cartridge and a battery and can directly contact the battery with the cooling plates of the cartridge to simplify the cooling structure of the battery.

The battery module assembly according to the present invention includes battery modules and can reduce the overall volume by eliminating unnecessary space between the cartridges and the batteries.

The battery pack according to the present invention includes a battery module assembly and ducts around the cooling plates of the cartridges to quickly cool the batteries through the cooling plates and ducts indirectly.

The battery pack according to the present invention can minimize the volume of the battery module assembly, thereby increasing the degree of mounting freedom for the use space.

BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate an embodiment of the invention and, together with the description given below, serve to further augment the technical spirit of the invention, And shall not be interpreted.
1A is a perspective view showing a battery cartridge according to an embodiment of the present invention.
1B is a schematic view of a battery cartridge taken in a region 'P' of FIG. 1A.
1C is a schematic view showing a modification of the battery cartridge of Fig. 1B.
FIG. 1D is a schematic view showing another modification of the battery cartridge of FIG. 1B.
2 is an exploded perspective view showing a battery module according to an embodiment of the present invention.
3 is a perspective view showing the battery module of FIG. 2. FIG.
4 is an exploded perspective view illustrating a battery module assembly according to an embodiment of the present invention.
Fig. 5 is a perspective view showing the coupling relationship of the cartridge and the battery of Fig. 4;
FIG. 6 is a side view showing the coupling relationship of the cartridge and the battery of FIG. 4;
7 to 9 are schematic views illustrating a method of manufacturing a battery pack according to an embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. Prior to this, terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary meanings, and the inventor should appropriately interpret the concept of a term appropriately in order to describe its own application in the best way possible. It should be interpreted in accordance with the meaning and concept consistent with the technical idea of the present invention based on the principle that it can be defined. Therefore, the embodiments described in the present specification and the configurations shown in the drawings are only examples of the present invention, and are not intended to represent all of the technical ideas of the present invention. Therefore, various equivalents And variations are possible.

FIG. 1A is a perspective view showing a battery cartridge according to an embodiment of the present invention, and FIG. 1B is a schematic view of a battery cartridge taken in the 'P' region of FIG. 1A.

Referring to FIGS. 1A and 1B, a battery cartridge 40 according to the present invention includes a seat plate 10 and cooling plates 30. The seating plate 10 and the cooling plates 30 are fixed with respect to each other. Preferably, the seating plate 10 and the cooling plate 30 are integrally formed. The seating plate 10 defines cooling slits 4 which are arranged in a rectangular shape and are arranged in sequence.

The seating plate 10 has fixed ribs 8 at its ends. More specifically, the fixed ribs 8 are positioned between the corners and edges of the seating plate 10 and protrude from the seating plate 10 toward both sides of the seating plate 10. Preferably, the fixed ribs 8 between the corners are parallel to the concave-convex shape 28 of the cooling plate 30 on the seating plate 10 positioned at right angles to the concave-convex shape 28 of the cooling plate 30 And is projected to a smaller size on the seating plate 10 positioned to be positioned.

According to one aspect, the fixing ribs 8 located at the corners have a bent shape along the corners. The fixing ribs 8 positioned between the corners have a plate shape. The fixed ribs 8 and the seating plate 10 have insulating properties. The cooling plates (30) are placed on the seating plate (10). Here, the seating plate 10 has concave portions under the cooling plates 30, respectively. The cooling plates 30 protrude from the same side of the seating plate 10 and have concave and convex shapes, respectively, between the fixed ribs 8 having a relatively small size.

The cooling plates 30 have curved portions 24 on the seating plate 10, respectively. Preferably, the cooling plates 30 are located at opposite edges on one side of the seating plate 10 and extend substantially vertically from the edges toward the central region and outward from the edges.

Here, the cooling plates 30 are in contact with the fixing ribs 8 located at the corners of the seating plate 10. [ The cooling plates 30 have a conductive property and a heat conduction characteristic. The concavoconvex shapes 28 are located apart from the seating plate 10. [ Preferably, the concavoconvex shapes 28 are located in the central regions of the cooling plates 30, but are not limited thereto.

1C is a schematic view showing a modification of the battery cartridge of Fig. 1B.

Referring to Fig. 1C, a battery cartridge 40a according to a modification of the present invention has a structure similar to that of the battery cartridge 40 of Fig. 1B. However, the cooling plates 30a of the battery cartridge 40a face the edge of one surface and the edge of the other surface opposite to the one surface on the seating plate 10, facing diagonally from the edges to the central region And extend outward from the edges. The battery cartridge 40a can replace the battery cartridge 40 of FIG.

FIG. 1D is a schematic view showing another modification of the battery cartridge of FIG. 1B.

1D, a battery cartridge 40a according to another modification of the present invention has a structure similar to that of the battery cartridge 40 of FIG. 1B. However, the battery cartridge 40a has one cooling plate 30b in the seating plate 10. [ The cooling plate 30b may extend from the edge of one side of the seating plate 10 toward the central region and from the edge to the outside. The battery cartridge 40b can replace the battery cartridge 40 of FIG.

2 is an exploded perspective view showing a battery module according to an embodiment of the present invention.

Referring to FIG. 2, a battery module 60 according to an embodiment of the present invention includes a cartridge 40 and a battery 50. The cartridge 40 has been described in detail in Figs. 1A and 1B. In the battery module 60, the cartridge 40 has a space for accommodating the battery 50 between the fixed ribs 8, the seating plate 10, and the cooling plates 30. Preferably, the cartridge 40 is configured to surround the battery 50 through the fixing ribs 8, the seating plate 10, and the cooling plate 30. Preferably, the battery 50 is prismatic, but not limited thereto.

3 is a perspective view showing the battery module of FIG. 2. FIG.

Referring to FIG. 3, in the battery module 60, the cartridge 40 receives the battery 50 through the fixing ribs 8, the seating plate 10, and the cooling plates 30. Preferably, the fixed ribs 8, the seating plate 10 and the cooling plate 30 are in contact with the battery 50. Here, the cooling plates 30 are located at the opposite edges on one side of the seating plate 10 and extend from the edges toward the opposite side of the central region.

According to one aspect, the cooling plates 30 are in contact with opposite sides of the battery, respectively. Therefore, the concave-convex shapes 28 of the cooling plates 30 can be positioned on both sides of the battery 50, respectively.

4 is an exploded perspective view illustrating a battery module assembly according to an embodiment of the present invention.

Referring to FIG. 4, a battery module assembly 90 according to the present invention includes first cartridges 80 and a plurality of battery modules 50. The first cartridges 80 are arranged along one direction in the battery module assembly 90 and face each other. More specifically, the first cartridges 80 are located at an outermost position of the battery module assembly 90. Each of the first cartridges 80 includes a first seating plate 78 having first fixing ribs 74 at its ends.

The first seating plate 78 is rectangular. The first fixing ribs 74 extend from the first seating plate 78 toward one side of the first seating plate 78. Preferably, the first securing ribs 74 extend from the first seating plate 78 toward the interior of the battery module assembly 90. Each of the plurality of battery modules 50 has been described in detail in FIG. 2 and FIG.

In the battery module assembly 90, the plurality of battery modules 60 are disposed between the first cartridges 80. The plurality of battery modules 60 also include second cartridges 40 that are structurally distinct from the first cartridges 80 and batteries 50 that are accommodated in the second cartridges 40. The second cartridges (40) are positioned between the first cartridges (80). Each of the second cartridges 40 has second fixing ribs 8, a second seating plate 10 and a cooling plate 30.

The second seating plate 8 is rectangular and defines cooling slits 4. The second seating plate (8) has the same area as the first seating plate (78). The second fixing ribs 8 extend from the second seating plate 10 toward both sides of the second seating plate 10. The cells 50 are square.

The cells 50 are surrounded by the first seating plate 78, the second seating plate 10 and the cooling plate 30 in the outermost battery modules 60, and the outermost battery modules 60 And between the second seating plate 10 and the cooling plate 30. The first fixing ribs 74 and the second fixing ribs 8 face each other. Preferably, the first stationary ribs 74, the first seating plates 78, the second stationary ribs 8, the second seating plates 10 and the cooling plates 30 are connected to the battery 50, Without space.

FIG. 5 is a perspective view showing the coupling relationship of the cartridge and the battery of FIG. 4, and FIG. 6 is a side view showing a coupling relationship of the cartridge and the battery of FIG.

5 and 6, in the battery module assembly 90, each of the second cartridges 40 receives two batteries 50 between the first cartridges 80 of FIG. Preferably, the two batteries 50 are located in the right and left sides of one second cartridge 40 as shown in FIGS. 5 and 6, and are closely accommodated in the second cartridge 40. 6, when seen in the width direction of the cooling plate 30 of the second cartridge 40, the second cartridge 40 has a width smaller than that of one battery 50.

Thus, two adjacent ones of the plurality of battery modules 60 of FIG. 4 have second cartridges 40 that are spaced apart from each other. Preferably, the second cartridges 40 do not come in contact with the cooling plates 30.

7 to 9 are schematic views illustrating a method of manufacturing a battery pack according to an embodiment of the present invention.

Referring to FIG. 7, the battery module assembly 90, the end plates 110, the support bars 130 and the screw members 145 according to the present invention can be prepared. The battery module assembly 90 has been described in detail in Figures 4-6. The end plates 110 are located around the battery module assembly 90 and face each other. That is, the battery module assembly 90 is positioned between the end plates 110.

According to the present invention, the end plates 110 are formed in a rectangular shape. According to one aspect, the end plates 110 have first engagement holes 104 at the corners and beads 108 in the central region. Preferably, the end plates 110 have a larger area than the first seating plates 78 or the second seating plates 10 of FIG.

More preferably, the end plates 110 can contact the first seating plates 78. Meanwhile, the support bars 130 are positioned between the end plates 110 in the vicinity of the battery module assembly 90. That is, the support bars 130 are positioned between the corners of the end plates 100 around the first fixing ribs 78 and the second fixing ribs 8.

Preferably, each of the support bars 130 has second engagement holes 125 on both sides. The second engagement holes 125 may be aligned with the first engagement holes 104. The screw members 145 may be aligned with the first engagement holes 104.

8, the screw members 145 are inserted into the second engagement holes 125 through the first engagement holes 104 and are screwed into the end plates 110 and the support bars 130 do. In this case, the end plates 110 are in contact with the first cartridges 80. Then, the ducts 160 according to the present invention can be prepared. The ducts 160 may be aligned on both sides of the battery module assembly 90 between the support bars 130.

According to an aspect, each of the ducts 160 is box-shaped and has air inlets 154 on both sides and an air outlet 158 toward the battery module assembly 90.

Referring to FIG. 9, ducts 160 may be coupled between the support bars 130 at opposite sides of the battery module assembly 90. The ducts 160 constitute a battery pack 170 together with the battery module assembly 90, the end plates 110, the support bars 130 and the screw members 145. In this case, the operation mechanism of the battery pack 170 can be schematically described as follows.

8, each of the ducts 160 sucks air from the outside along the first flow line F1 through the air inlets 154 and flows air through the air outlets 159 to the second And discharged to the battery module assembly 90 along the flow line F2. The air is heat exchanged with the battery module assembly 90, preferably the cooling plates 30 of the cartridges 40 of Figure 4, to heat the battery module assembly 90 to the outside of the battery pack 170 .

In describing various embodiments of the invention, the named elements in the description should be understood to be functionally distinct elements rather than physically distinct elements. Thus, each component may be selectively integrated with another component, or each component may be divided into sub-components for efficient execution of the present invention. It will be apparent to those skilled in the art, however, that, even if components are integrated or partitioned, the integrity of the functionality can be recognized, it is understood that the integrated or segmented components are also within the scope of the present invention.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not to be limited to the details thereof and that various changes and modifications will be apparent to those skilled in the art. And various modifications and variations are possible within the scope of the appended claims.

4; Cooling slit, 8; Fixed rib
10; A seating plate, 24; bend
28; Irregular shape, 30; Cooling plate
40, 40a, 40b; Battery cartridge, 50; battery
60; Battery module, 80; The first cartridge
90; Battery module assembly, 110; End plate
130; Support bar, 160; duct
170; Battery pack.

Claims (31)

An accommodation plate having fixed ribs at an end thereof; And
And at least one cooling plate positioned on the seating plate,
Wherein the cooling plate is fixed to the seating plate and protrudes from the seating plate between the fixing ribs,
Wherein the seating plate and the fixed ribs have an insulating property,
The cooling plate may include:
And protrudes along at least one edge of at least one of the left and right edges of the seat plate in the front-rear direction of the seat plate along the front-rear direction. The method according to claim 1,
Wherein the seating plate defines a plurality of cooling slits that are formed in a rectangular shape and are sequentially stacked. delete 3. The method of claim 2,
Wherein the fixed ribs are positioned between the edges and the edges of the seating plate and protrude from the seating plate toward both sides of the seating plate. 5. The method of claim 4,
Wherein the fixed ribs between the corners protrude to a smaller size on the seating plate which is positioned in parallel with the concave-convex shape of the cooling plate on the seating plate positioned at right angles to the concave-convex shape of the cooling plate. cartridge. The method according to claim 1,
Wherein the cooling plate has a curved portion on the seating plate. The method according to claim 1,
Wherein the cooling plate is located at opposite edges on one side of the seating plate and extends from the edges toward the central region and outward from the edges. The method according to claim 1,
The cooling plate extends diagonally from the edges to the central region and from the edges to the outside, facing the edge of one surface and the edge of the other surface opposite to the one surface on the seating plate Wherein the battery cartridge is a battery cartridge. The method according to claim 1,
Wherein the cooling plate is located on the edge of one side of the seating plate and extends from the edge toward the central region and from the edge toward the outside. delete The method according to claim 1,
Wherein the concave and convex shape is located apart from the seating plate. battery; And
And a cartridge accommodating the battery,
Wherein the cartridge comprises a seating plate having fixed ribs at an end thereof and at least one cooling plate located on the seating plate,
Wherein the cooling plates are integrally formed with the seating plate and protrude from the seating plate between the fixing ribs,
Wherein the battery is surrounded by the seating plate and the cooling plates,
Wherein the seating plate and the fixed ribs have an insulating property,
The cooling plates,
Wherein at least one side edge of at least one of the left and right edges of the seat plate protrudes along the front and rear direction in the front-back direction of the seat plate and covers at least one side of both sides of the battery in the front- Battery module. 13. The method of claim 12,
Wherein the battery is made of prismatic material. 13. The method of claim 12,
Wherein the seating plate is rectangular and has cooling slits. 13. The method of claim 12,
Wherein the seating plate, the fixing ribs, and the cooling plates are in contact with the battery. 13. The method of claim 12,
Wherein the cooling plates are located at opposite edges on one side of the seating plate and extend from the side edges toward the central region and the opposite side of the one side. 13. The method of claim 12,
Wherein the cooling plates are in contact with opposite sides of the battery, respectively. 18. The method of claim 17,
Wherein the concavoconvex shapes are located on both sides of the battery. First cartridges facing each other; And
A plurality of battery modules disposed between the first cartridges,
Wherein each of the battery modules includes a battery and a second cartridge that receives the battery,
Wherein each of the first cartridges includes a first seating plate having first fixing ribs at an end thereof,
The second cartridge includes a second seating plate having second fixing ribs at an end thereof and cooling plates positioned on the second seating plate,
Wherein the cooling plates are fixed to the second seating plate and protrude from the second seating plate between the second holding ribs,
Wherein the battery is surrounded by the first seating plate, the second seating plate and the cooling plates in the outermost battery modules and surrounded by the second seating plate and the cooling plates between the outermost battery modules,
Wherein the first fixing ribs, the first seating plate, the second fixing ribs, and the second seating plate have an insulating property,
The cooling plates,
Wherein the second seating plate has at least one side edge of at least one of the left and right side edges of the second seating plate in a longitudinal direction of the second seating plate and protruding along the front and rear direction, Wherein the battery module assembly comprises: 20. The method of claim 19,
Wherein the battery is square-shaped. 20. The method of claim 19,
Wherein the first seating plate and the second seating plate are rectangular,
Wherein the second seating plate defines cooling slits. ≪ RTI ID = 0.0 > 31. < / RTI > 20. The method of claim 19,
Wherein the first fixing ribs extend from the first seating plate toward one side of the first seating plate,
The second fixed ribs extending from the second seating plate toward both sides of the second seating plate,
Wherein the first fixing ribs and the second fixing ribs face each other. 20. The method of claim 19,
Wherein the first seating plate, the first fixing ribs, the second seating plate, the second fixing ribs, and the cooling plates contact the battery. 20. The method of claim 19,
Said second cartridge receiving two adjacent batteries. ≪ RTI ID = 0.0 >< / RTI > 20. The method of claim 19,
Wherein adjacent two of the plurality of battery modules have second cartridges spaced apart from each other. End plates facing each other;
A battery module assembly positioned between the end plates;
Support bars connecting the end plates around the battery module assembly; And
And ducts positioned between the support bars on opposite sides of the battery module assembly,
Wherein the battery module assembly includes first cartridges facing each other and a plurality of battery modules disposed between the first cartridges,
Wherein each of the battery modules includes a battery and a second cartridge that receives the battery,
Wherein each of the first cartridges includes a first seating plate having first fixing ribs at an end thereof,
The second cartridge includes a second seating plate having second fixing ribs at an end thereof and cooling plates positioned on the second seating plate,
Wherein the cooling plates are fixed to the second seating plate and protrude from the second seating plate between the second holding ribs,
Wherein the battery is surrounded by the first seating plate, the second seating plate and the cooling plates in the outermost battery modules and surrounded by the second seating plate and the cooling plates between the outermost battery modules,
Wherein the first fixing ribs, the first seating plate, the second fixing ribs, and the second seating plate have an insulating property,
The cooling plates,
Wherein the second seating plate has at least one side edge of at least one of the left and right side edges of the second seating plate in a longitudinal direction of the second seating plate and protruding along the front and rear direction, And a battery pack. 27. The method of claim 26,
The battery is angularly shaped,
Wherein the first seating plate, the second seating plate, and the end plates are rectangular. 27. The method of claim 26,
And each of the end plates is in contact with the first seating plate. 27. The method of claim 26,
Wherein the end plates have a larger area than the first seating plate and the second seating plate. 27. The method of claim 26,
Wherein the support bars are positioned between the edges of the end plates around the first fixing ribs and the second fixing ribs. 27. The method of claim 26,
And the support bars are screwed to the end plates.

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