KR20200063059A - Pouch type battery cartridge and pouch type battery pack including the same - Google Patents

Abstract

Provided is a pouch type battery cartridge. According to an embodiment of the present invention, the pouch type battery cartridge comprises: a cartridge body which forms an accommodating space with both opened surfaces to accommodate at least one pouch type battery and includes a first guide member which is faced to a side surface of the pouch type battery accommodated in the accommodating space; a heat emitting plate which is combined with the cartridge body to cover the opened one surface of the accommodating space; and a pair of bus bars which are combined with one side of the cartridge body to be connected to the terminal of the pouch type battery. The present invention can prevent performance degradation of the battery.

Description

Pouch type battery cartridge and pouch type battery pack including the same}

The present invention relates to a battery cartridge and a pouch type battery pack including the same.

The battery is used as an energy source for various products such as electric vehicles, drones, mobile phones, laptops, and digital cameras. As such a battery, the use of a lithium secondary battery that has high energy density and can be driven with high power has been used.

Lithium secondary batteries can be manufactured in the form of a thin pouch, and by connecting a plurality of pouch-shaped batteries, there is an advantage of realizing a high-capacity battery even in a small area.

These pouch-type batteries are generally made of aluminum and a polymer resin, so that the electrode assembly is packaged inside a sheet-formed exterior material, so mechanical rigidity is not large. Accordingly, in order to configure a battery module including a plurality of pouch-type batteries, a cartridge is used to easily stack a plurality of pouch-type batteries while protecting the battery from external impact.

However, when a plurality of pouch-type batteries are stacked and connected to each other, the capacity increases, but the heat generation temperature of the battery may also increase. When the heat generation temperature of the battery becomes higher than the proper temperature, the battery may degrade performance and may cause explosion or ignition.

Accordingly, there is a need for a method for efficiently dissipating heat generated by the battery during charging and discharging of the battery.

KR 10-2009-0107443 A

The present invention has been made in view of the above points, and an object thereof is to provide a pouch-type battery cartridge and a pouch-type battery pack including the same, which can efficiently discharge heat generated from the battery during charging and discharging of the battery.

In order to solve the above-described problem, the present invention is a first guide member facing both sides of the pouch-shaped battery accommodated in the accommodating space is formed, the accommodating space is opened on both sides to accommodate at least one pouch-type battery Cartridge body comprising a; A heat dissipation plate coupled to the cartridge body to cover an open surface of the accommodation space; And a pair of busbars coupled to one side of the cartridge body so as to be connected to a terminal of the pouch-type battery.

As an exemplary embodiment, the first guide member may include a plastic material having heat dissipation and insulation.

In addition, the cartridge body includes a second guide member spaced apart to face the first guide member, and a pair of third and fourth guide members interconnecting both ends of the first guide member and the second guide member The first to fourth guide members may include a plastic material having heat dissipation properties and insulation properties.

In addition, the cartridge body may include at least one elastic member protruding from the surface of the first guide member toward the receiving space, and the elastic member is the pouch-type battery when a pouch-type battery is accommodated in the receiving space. You can touch the side of the.

In addition, the cartridge body may include at least one placement hole having a predetermined area and formed to penetrate the first guide member, and the elastic member may be coupled to the first guide member through the placement hole. have. At this time, the elastic member may include a polymer resin containing a thermally conductive filler.

In addition, it may include a plate-shaped first plate covering an open one surface of the receiving space and a second plate extending in one direction from an end of the first plate to face one surface of the first guide member. In this case, when the pouch-type battery is accommodated in the accommodation space, the first plate may interview one side of the pouch-type battery.

Here, the heat dissipation plate may be a plate-shaped metal plate. In one example, the heat dissipation plate may be a metal plate containing aluminum.

In addition, the bus bar may include a terminal portion to which the terminal of the pouch type battery is connected, and an extension portion extending in one direction from an end of the terminal portion and disposed to contact the first guide member.

As another example, the pouch-type battery cartridge may further include a plate-shaped heat transfer sheet disposed on one surface of the heat dissipation plate to interview the heat dissipation plate. At this time, the heat transfer sheet may be made of a material having a relatively higher thermal conductivity than the heat dissipation plate.

In one example, the heat transfer sheet may be a graphite sheet with an insulated surface. As another example, the heat transfer sheet may include an insulating film member attached to the graphite sheet via a plate-shaped graphite sheet and an adhesive layer to cover the surface of the graphite sheet.

At this time, the heat transfer sheet, the first portion disposed on the portion covering the open surface of the accommodation space among the entire area of the heat dissipation plate and the first portion extending from the first portion of the heat dissipation plate to interview one surface of the first guide member And a second portion covering the portion.

On the other hand, the present invention is a plurality of pouch-type battery cartridge described above; A plurality of pouch-type batteries accommodated in the accommodation space; And a mounting frame for fixing a plurality of pouch-type battery cartridges stacked along one direction.

According to the present invention, by applying various heat dissipation methods, it is possible to efficiently dissipate heat generated from the battery, thereby preventing performance degradation of the battery due to heat.

1 is a view showing a pouch type battery cartridge according to the present invention,
FIG. 2 is a view of FIG. 1 viewed from another direction;
3 is a view showing a state in which the heat dissipation plate and the cartridge body are removed from FIG. 2;
Figure 4 is an exploded view of Figure 2 showing a pouch-type battery cartridge according to the first embodiment of the present invention,
5 is a cross-sectional view taken along the AA direction of FIG. 2 showing a pouch type battery cartridge according to a first embodiment of the present invention,
6 is a view showing a state in which a plurality of pouch-type battery cartridges according to the first embodiment of the present invention are stacked along one direction,
Figure 7 is a cross-sectional view schematically showing the arrangement relationship of the first guide member and the cooling means in a state in which a plurality of pouch-type battery cartridges according to the first embodiment of the present invention are stacked along one direction,
Figure 8 is an exploded view of Figure 2 showing a pouch-type battery cartridge according to a second embodiment of the present invention,
9 is a cross-sectional view taken along the AA direction of FIG. 2 showing a pouch type battery cartridge according to a second embodiment of the present invention,
10 is a conceptual diagram showing a detailed configuration of a heat transfer sheet that can be applied to a pouch type battery cartridge according to a second embodiment of the present invention,
11 is a view showing a state in which a plurality of pouch-type battery cartridges according to a second embodiment of the present invention are stacked along one direction,
12 is a cross-sectional view schematically showing the arrangement relationship between the first guide member and the cooling means in a state in which a plurality of pouch type battery cartridges according to the second embodiment of the present invention are stacked along one direction, and
13 is a view showing a pouch type battery pack using a pouch type battery cartridge according to the present invention.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art to which the present invention pertains can easily practice. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. In the drawings, parts not related to the description are omitted in order to clearly describe the present invention, and the same reference numerals are added to the same or similar elements throughout the specification.

The pouch-type battery cartridge 100,200 according to an embodiment of the present invention includes a cartridge body 110, a heat dissipation plate 120, and a pair of busbars 130 as shown in FIGS. 1 and 2.

The cartridge body 110 may accommodate at least one pouch-shaped battery 10, and may protect the pouch-shaped battery 10 from external force. When applied to the battery pack 1000, the cartridge body 110 may individually support each pouch-shaped battery 10.

To this end, the cartridge body 110, as shown in Figures 4 and 8, the frame structure is opened on both sides to accommodate the pouch-shaped battery 10 while surrounding the rim of the pouch-shaped battery 10 It can be formed of.

That is, the cartridge body 110 may be a frame structure having a receiving space (S) on both sides open.

Specifically, the cartridge body 110 is disposed between the pair of first and second guide members 111 and 112 spaced apart from each other and the first and second guide members 111 and 112 and spaced apart to face each other It may include a pair of third and fourth guide members 113 and 114, and both ends of the third and fourth guide members 113 and 114 may connect one end of the first and second guide members 111 and 112, respectively.

Here, as shown in Figure 1, the first to fourth guide members 111, 112, 113, and 114 may be separated from each other by borders of virtual straight lines L1, L2, and the first guide member in the cartridge body 110 (111) may be the lower portion of the virtual straight line L1, the second guide member 112 may be the upper portion of the virtual straight L2, the third guide member 113 and the fourth guide member 114 may be a portion between the virtual straight line L1 and L2.

Accordingly, the cartridge body 110 may include a receiving space (S) that is defined by the first, second, third, and fourth guide members (111, 112, 113, 114) and open on both sides facing each other. S) can accommodate at least one pouch-shaped battery 10.

In the present invention, the pouch-type battery 10 may include an electrode assembly in which at least one positive electrode and a negative electrode are stacked with a separator interposed therebetween, and a pouch-shaped exterior material for sealing the electrode assembly together with an electrolyte. In addition, the pouch-type battery 10 may be provided so that a pair of terminals 12a and 12b connected to the electrode assembly protrude to the outside of the exterior material. In addition, the pouch-shaped battery 10 may be a flexible battery. Since such a pouch type battery 10 is well-known, detailed description thereof will be omitted.

Meanwhile, the cartridge body 110 may include at least one fastening part 116 for fastening with other parts.

In one example, the fastening portion 116 may be a fastening hole formed through the edge of the cartridge body 110, as shown in FIG. Accordingly, a plurality of pouch-type battery cartridges 100 and 200 according to an embodiment of the present invention, as shown in FIGS. 6, 11 and 13, accommodate the pouch-shaped battery 10 in the accommodation space S When configuring the pouch-shaped battery pack 1000 in a stacked form along one direction in a state, the plurality of pouch-type battery cartridge 100 is a fastening member (for example, FIG. 13 fastened to the fastening portion 116) It can be fixed to each other through the fastening bar (340).

In the drawing, although the fastening portion 116 is shown to be formed through the edge of the cartridge body 110, the present invention is not limited thereto, and the fastening portion 116 is formed to protrude from the rim of the cartridge body 110. It may be formed on the flange side.

The heat dissipation plate 120 may be coupled to the cartridge body 110 to cover one open surface of the accommodation space S. That is, the heat dissipation plate 120 may be formed of a plate-shaped member having a predetermined area, and may be coupled to the cartridge body 110 so as to cover any one of the open sides of the cartridge body 110.

Specifically, the heat dissipation plate 120, as shown in Figures 4, 5, 8 and 9, the plate-like first plate 121 covering the open surface of the receiving space (S) and the first It may include a second plate 122 extending in one direction from the end of the plate 121.

In this case, when the pouch type battery 10 is accommodated in the accommodation space S, the first plate 121 is to be interviewed with one surface of the pouch type battery 10 accommodated in the accommodation space S. The second plate 122 may cover one surface of the first guide member 111.

Here, one surface of the second plate 122 may be in direct contact with a cooling means 20 such as a heat exchanger, a cooling chamber or a cooling plate (see FIGS. 7 and 12 ).

At this time, the heat dissipation plate 120 may discharge heat generated from the pouch type battery 10 to the outside.

To this end, the heat dissipation plate 120 may be made of a metal material having excellent thermal conductivity to protect the pouch-type battery 10 against external force while rapidly dissipating heat transferred from the pouch-type battery 10. .

For example, the heat dissipation plate 120 may be made of a metal material including aluminum so as to reduce weight and ensure excellent thermal conductivity. However, the material of the heat dissipation plate 120 is not limited thereto, and any known metal material used for heat dissipation may be used.

Accordingly, the pouch-shaped battery 10 accommodated in the accommodation space S can be supported through the cartridge body 110 and the heat dissipation plate 120, thereby preventing deformation and damage due to external force.

In addition, heat generated from the pouch-type battery 10 may be quickly discharged through the outside air after being transferred to the heat dissipation plate 120. In addition, heat transferred from the pouch-type battery 10 to the heat dissipation plate 120 may be dissipated more quickly through the second plate 122 directly contacting the cooling means 20.

Moreover, when configuring the battery pack 1000 including a plurality of pouch-type batteries 10, when using the pouch-type battery cartridges 100 and 200 according to an embodiment of the present invention, deformation of the pouch-type battery 10 is performed. The battery pack can be configured easily while being prevented.

The pair of bus bars 130 may be coupled to one side of the cartridge body 110. The bus bar 130 may have a shape of a bar having a predetermined length, and may be electrically connected to the pouch-shaped battery 10 accommodated in the accommodation space S.

That is, the pair of terminals 12a and 12b of the pouch type battery 10 may be electrically connected to the pair of bus bars 130, respectively.

In one example, the pair of bus bars 130, one surface of the third guide member 113 and the fourth guide member 114 facing each other of the cartridge body 110, as shown in Figures 1 to 3 Can be placed respectively. However, the arrangement position of the bus bar 130 is not limited thereto, and may be disposed at an appropriate position according to the position of the terminals 12a and 12b of the pouch type battery 10.

At this time, when a plurality of pouch-type batteries 10 are accommodated in the accommodation space S of the cartridge body 110, the plurality of pouch-type batteries 10 are mutually connected through the pair of busbars 130. It can be connected in parallel.

For example, when two pouch-type batteries 10 are accommodated in the accommodation space S of the cartridge body 110, the positive terminal provided in each of the two pouch-type batteries 10 is the third guide member ( 113) can be connected to the bus bar 130 is disposed on one side, the negative terminal is provided on each of the two pouch-shaped battery 10, the bus bar 130 is disposed on one side of the fourth guide member 114 It can be connected with.

Through this, when the pouch type battery pack 1000 is formed using the pouch type battery cartridges 100 and 200 according to an embodiment of the present invention, the pouch type battery pack 1000 is a plurality of pouch types connected in parallel to each other The total capacitance can be increased by using the battery 10.

In this case, as illustrated in FIGS. 5 and 9, a buffer member 160 that can absorb shock may be disposed between the pouch-shaped batteries 10 adjacent to each other. For example, the buffer member 160 may be an EPDM pad.

Meanwhile, various methods for efficiently dissipating heat generated during charging and discharging of the pouch type battery 10 may be applied to the pouch type battery cartridge 100 and 200 according to an embodiment of the present invention.

As part of this, the cartridge body 110 may be formed of a material having a heat dissipation property and an insulating property surrounding a side surface of the pouch type battery 10 accommodated in the accommodation space S.

For example, the first guide member 111 may be made of a plastic material having heat dissipation and insulation. Through this, heat generated from the pouch-type battery 10 may be discharged after being transferred to the first guide member 111 side together with the heat dissipation plate 120.

Here, the first guide member 111 may be interviewed with the second plate 122 of the heat dissipation plate 120 in direct contact with the cooling means 20 (see FIGS. 7 and 12 ).

Accordingly, the pouch-type battery cartridges 100 and 200 according to an embodiment of the present invention smoothly heat the heat generated from the pouch-shaped battery 10 toward the first guide member 111 made of plastic material having heat dissipation and insulation properties. After being delivered, it can be quickly released through the cooling means (20).

Here, the cartridge body 110 may be made of a plastic material in which some or all of the second to fourth guide members 112, 113, and 114 together with the first guide member 111 have heat dissipation and insulation properties.

In addition, although the drawing shows that the second plate 122 of the heat dissipation plate 120 is disposed between the first guide member 111 and the cooling means 20, the present invention is not limited thereto, and the first One surface of the guide member 111 may be directly interviewed with the cooling means (20).

At this time, the cartridge body 110, at least one elastic member 150 disposed between the first guide member 111 and the side of the pouch-shaped battery 10, as shown in Figures 5 and 9 It can contain.

Here, the elastic member 150 can transfer the heat generated from the pouch-type battery 10 to the first guide member 111 made of a plastic material having insulation and heat dissipation, and is caused by external force through elastic deformation. It can absorb shock.

For example, the elastic member 150 may be made of a polymer resin containing a thermally conductive filler, and the elastic member 150 protrudes from one surface of the first guide member 111 toward the receiving space (S). It may be disposed on the first guide member 111.

In this case, when the pouch-shaped battery 10 is disposed in the accommodation space S, the elastic member 150 may contact at least a portion of the side of the pouch-shaped battery 10.

Through this, the elastic member 150 can support the side of the pouch type battery 10 by filling an empty space that can be formed between the pouch type battery 10 and the first guide member 111. In addition, one side of the first guide member 111 and one side of the pouch type battery 10 may be connected to each other.

Due to this, the elastic member 150 can prevent the damage of the pouch type battery 10 through buffering when an external force is generated, and the heat generated from the pouch type battery 10 is the elastic member 150 ) Can be smoothly transferred to the first guide member 111 side made of a plastic material having insulation and heat dissipation.

Here, the cartridge body 111 may include at least one placement hole 115 having a predetermined area and formed to penetrate the first guide member 111, and the elastic member 150 has a part By being inserted into the placement hole 115, it can be coupled to the first guide member 111.

In addition, the thermally conductive filler may be a non-conductive filler such as alumina, boron nitride, aluminum nitride, silicon carbide, or a conductive filler such as graphite, carbon nanocarbon, graphene, silver powder, or copper powder. However, when high reliability for electrical insulation is required, a filler having non-conductivity may be used as the thermally conductive filler.

In addition, the polymer resin may be a polymer resin such as silicone raw rubber, ethylene propylene diene rubber, thermoplastic polyolefin synthetic rubber, acrylate rubber, or thermoplastic polyurethane rubber.

However, the thermally conductive filler and the polymer resin are not limited thereto, and various known thermally conductive fillers and polymer resins may be used as long as it can secure heat dissipation.

On the other hand, if at least a portion of the cartridge body 110 is made of a plastic material having insulation and heat dissipation, the bus bar 130 is in direct contact with a portion of the cartridge body 110 made of a plastic material having insulation and heat dissipation So that it can be coupled to the cartridge body 110.

That is, as shown in the enlarged view of FIG. 2, a pair of bus bars 130 coupled to one surface of the third guide member 113 and the fourth guide member 114 facing each other among the cartridge body 110 ) May include a terminal portion 131 having a predetermined length and an extension portion 132 extending in one direction from an end of the terminal portion 131.

In this case, the extension portion 132 may be coupled to the cartridge body 110 so as to make direct contact with a portion of the cartridge body 110 made of a plastic material having insulation and heat dissipation properties.

Here, the extension portion 132 may be a plate-shaped member having a predetermined area, and the terminal portion 131 may be disposed to be located on one surface of the third guide member 113 and the fourth guide member 114. The terminals 12a and 12b of the pouch type battery 10 may be connected to the terminal portion 131 through a method such as welding.

In addition, a portion of the cartridge body 110 made of a plastic material having insulation and heat dissipation properties may be the first guide member 111 described above.

Accordingly, when charging and discharging the pouch-type battery 10, heat generated in the terminal portions 12a and 12b of the pouch-type battery 10 is extended through the terminal portion 131 of the bus bar 130. The heat transferred to the 132 side can be quickly transferred, and the heat transferred to the extension portion 132 can be quickly released after being transferred to the cartridge body 110 side made of a plastic material having insulation and heat dissipation properties.

Alternatively, the pouch-type battery cartridge 200 according to an embodiment of the present invention is a heat transfer sheet 140 stacked on one surface of the heat dissipation plate 120 in order to effectively discharge heat generated during charging and discharging of the battery It may further include.

In this case, the above-described contents may be applied to the cartridge body 110, the heat dissipation plate 120, the bus bar 130, the elastic member 150, and the cushioning pad 160.

Specifically, the heat transfer sheet 140 may be provided in a plate-like sheet form as shown in FIGS. 8 and 9, and may be disposed on one surface of the heat dissipation plate 120.

Accordingly, when two pouch-shaped batteries 10 are accommodated in the pouch-type battery cartridge 200, as shown in FIG. 12, any one of the two pouch-shaped batteries 10 is the heat dissipation plate 120 And the other pouch-shaped battery 10 may be in direct contact with the heat transfer sheet 140 of another pouch-shaped battery cartridge 200 disposed adjacent to each other.

Specifically, the heat transfer sheet 140 includes a first portion 140a covering one surface of the first plate 121 and a second portion 140b extending in one direction from an end of the first portion 140a. can do.

In this case, one surface of the second portion 140b may be in direct contact with a cooling means 20 such as a heat exchanger, a cooling chamber or a cooling plate, as shown in FIG. 12.

Through this, the heat transfer sheet 140 can quickly dissipate heat generated from the pouch-shaped battery 10 accommodated in the adjacent pouch-type battery cartridge 200, and the second portion directly contacting the cooling means 20 Heat may be rapidly released through 140b.

At this time, the heat transfer sheet 140 may be made of a material having a relatively higher thermal conductivity than the heat dissipation plate 120, and the heat transfer sheet 140 has one side of the heat dissipation plate 120 via an adhesive layer (not shown). It can be attached to one side.

Through this, heat generated from each of the two pouch-shaped batteries 10 accommodated in the same pouch-type battery cartridge 200 is transferred to the heat transfer sheet 140 through the heat dissipation plate 120 and then dispersed or the heat transfer sheet It may be dispersed by moving directly to the (140) side, it can be quickly discharged by the cooling means 20 through the second portion (140b) of the heat transfer sheet (140). Through this, the pouch-type battery 10 may not be degraded or minimized in performance as a battery due to heat.

As a non-limiting example, the heat transfer sheet 140 may be a graphite sheet 141, and the graphite sheet 141 may have an insulated surface. This, because the graphite sheet 141 not only has a high thermal conductivity, but also has excellent electrical conductivity, when the graphite sheet 141 is in direct contact with the pouch type battery 10 and the heat dissipation plate 120, the graphite sheet 141 and Electrical shorts may occur between the pouch-shaped batteries 10.

In order to prevent this, in the present invention, when the heat transfer sheet 140 is provided as a plate-shaped graphite sheet 141, the graphite sheet 141 may have an insulating surface. Through this, the heat transfer sheet 140 may have high thermal conductivity for heat dissipation while blocking the possibility of electrical short due to electrical conductivity.

As another example, as shown in FIG. 10, the heat transfer sheet 140 is attached to the graphite sheet 141 via a plate-shaped graphite sheet 141 and an adhesive layer 142, so that the graphite sheet 141 An insulating film member 143 covering the surface may be included.

Here, the insulating film member 143 includes a first insulating film member 143 covering the top surface of the graphite sheet 141 and a second insulating film member 143 covering the bottom surface of the graphite sheet 141 However, it is not limited thereto, and may be configured as one member.

Accordingly, the heat transfer sheet 140 may have a high thermal conductivity through the graphite sheet 141 while simultaneously having insulation through the insulating film member 143.

In this case, the adhesive layer 142 may include a non-conductive component to further improve insulation.

A plurality of pouch-type battery cartridges 100 and 200 according to an embodiment of the present invention described above may be stacked along one direction to constitute one battery pack 1000.

That is, the plurality of pouch-type battery cartridges 100 and 200 may be fastened to each other in a state in which at least one pouch-shaped battery 10 is accommodated in each receiving space S and stacked with each other along one direction. Through this, one pouch type battery pack 1000 may be configured.

In this case, the pouch-type battery 10 accommodated in any one of the pouch-type battery cartridges 100 and 200 includes a heat dissipation plate 120 provided on one side of the pouch-type battery cartridges 100 and 200 ) Or you can directly interview one surface of the heat transfer sheet 140.

In one example, the pouch-type battery pack 1000 according to an embodiment of the present invention, as shown in Figure 13, a plurality of pouch-type battery cartridge 100 may be stacked in multiple steps along one direction, stacked in multiple steps The plurality of pouch-type battery cartridges 100 may be fixed to each other through a fastening bar 340 and a mounting frame 300.

In this case, the pouch-type battery pack 1000 may be fixed to each other such that the first guide member 111 faces downward, and cooling means for cooling on the lower side of the first guide member 111 ( 20) can be arranged.

Through this, the pouch type battery pack 1000 is connected to at least one pouch type battery 10 accommodated in a plurality of pouch type battery cartridges 100 and 200, and each bus bar 130 connected to each other is electrically connected to each other. Can increase

Here, since the pouch-type battery cartridges 100 and 200 and the pouch-type battery 10 are the same as described above, detailed descriptions thereof will be omitted.

For example, the mounting frame 300 may be a frame structure surrounding a plurality of pouch type battery cartridges 100 and 200 disposed adjacent to each other.

Specifically, the mounting frame 300 has a predetermined area and a pair of support plates 310 and 320 and a pair of support plates arranged at the front and rear ends of a plurality of pouch type battery cartridges 100 and 200 disposed adjacent to each other ( 310,320) and at least one fixing member 330 connecting each other and at least one fastening bar 340 for fastening the plurality of pouch type battery cartridges 100 and 200 at the same time.

Here, the fastening bar 340 may have a predetermined length, and may pass through each fastening part 116 formed in the plurality of pouch-type battery cartridges 100 and 200 simultaneously.

Accordingly, the plurality of pouch type battery cartridges 100 and 200 disposed adjacent to each other may be fixed to each other through the mounting frame 300.

Here, the support plates 310 and 320 may have a plate shape or a frame structure.

However, in the present invention, the mounting frame 300 is not limited thereto, and may be variously modified as long as it can fix a plurality of pouch type battery cartridges 100 and 200 disposed adjacent to each other. For example, the mounting frame 300 may be provided in a housing shape accommodating a plurality of pouch-type battery cartridges 100 and 200 therein.

The pouch-type battery pack 1000 according to an embodiment of the present invention described above may be used as an energy source for various products such as an electric vehicle, a drone, a portable phone, a laptop, and a digital camera.

Although one embodiment of the present invention has been described above, the spirit of the present invention is not limited to the embodiments presented herein, and those skilled in the art to understand the spirit of the present invention may add elements within the scope of the same spirit. However, other embodiments may be easily proposed by changing, deleting, adding, or the like, but it will also be considered to be within the scope of the present invention.

100: pouch type battery cartridge
110: cartridge body 111: first guide member
112: second guide member 113: third guide member
114: fourth guide member 115: placement hole
116: fastening part 120: heat dissipation plate
121: first edition 122: second edition
130: bus bar 131: terminal
132: extension 140: heat transfer sheet
140a: first part 140b: second part
141: graphite sheet 142: adhesive layer
143: insulating film member 150: elastic member
160: buffer member 1000: pouch type battery pack
300: mounting frame 310,320: support plate
330: fixing member 340: fastening bar

Claims (15)

A cartridge body including a first guide member facing a side surface of the pouch-shaped battery accommodated in the accommodating space, wherein accommodating spaces on both sides are opened to accommodate at least one pouch-type battery;
A heat dissipation plate coupled to the cartridge body to cover an open surface of the accommodation space; And
A pair of bus bars coupled to one side of the cartridge body so as to be connected to the terminals of the pouch-type battery. According to claim 1,
The first guide member is a pouch-type battery cartridge comprising a plastic material having heat dissipation and insulation. According to claim 1,
The cartridge body includes a second guide member spaced apart to face the first guide member, and a pair of third and fourth guide members interconnecting both ends of the first guide member and the second guide member,
The first to fourth guide member is a pouch type battery cartridge comprising a plastic material having heat dissipation and insulation. According to claim 2,
The cartridge body includes at least one elastic member protruding from the surface of the first guide member toward the receiving space,
The elastic member is a pouch-type battery cartridge that contacts the side of the pouch-type battery when the pouch-type battery is accommodated in the accommodation space. The method of claim 4,
The cartridge body has a predetermined area and includes at least one placement hole formed to penetrate the first guide member,
The elastic member is a pouch-type battery cartridge coupled to the first guide member through the placement hole. The method of claim 4,
The elastic member is a pouch-type battery cartridge comprising a polymer resin containing a thermally conductive filler. According to claim 1,
The heat dissipation plate,
It includes a plate-shaped first plate covering an open surface of the receiving space and a second plate extending in one direction from an end of the first plate and contacting one surface of the first guide member, wherein the first plate includes the accommodation When the pouch-type battery is accommodated in the space, a pouch-type battery cartridge that interviews one surface of the pouch-type battery. According to claim 1,
The heat dissipation plate is a plate-shaped metal plate pouch type battery cartridge. According to claim 1,
The bus bar is a pouch-type battery cartridge including a terminal portion to which the terminal of the pouch-type battery is connected and an extension portion extending in one direction from an end of the terminal portion and being in contact with the first guide member. According to claim 1,
The pouch-type battery cartridge, a pouch-type battery cartridge further comprising; a plate-shaped heat transfer sheet disposed on one surface of the heat-dissipating plate to interview the heat dissipation plate. The method of claim 10,
The heat transfer sheet is a pouch-type battery cartridge made of a material having a relatively higher thermal conductivity than the heat dissipation plate. The method of claim 10,
The heat transfer sheet is a pouch type battery cartridge having a surface-insulated graphite sheet. The method of claim 10,
The heat transfer sheet is a pouch-type battery cartridge comprising an insulating film member attached to the graphite sheet via a plate-shaped graphite sheet and an adhesive layer to cover the surface of the graphite sheet. The method of claim 10,
The heat transfer sheet,
Of the total area of the heat dissipation plate, a first portion disposed on a portion covering an open surface of the accommodation space and a second portion extending from the first portion and covering a portion of the heat dissipation plate that faces one surface of the first guide member Pouch type battery cartridge containing. Claims 1 to 14 of the plurality of pouch-type battery cartridge according to any one of claims;
A plurality of pouch-type batteries accommodated in the accommodation space; And
Pouch-type battery pack comprising a; mounting frame for fixing a plurality of pouch-type battery cartridges stacked along one direction.

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