CN219180681U - Battery tray, battery pack and vehicle - Google Patents

Abstract

The utility model discloses a battery tray, a battery pack and a vehicle, wherein the battery tray comprises: the battery cell structure comprises a body and a guide plate, wherein the body is used for bearing the battery cell, an exhaust channel is arranged in the body, the guide plate is arranged on the body, and the guide plate is configured to guide gas exhausted by the battery cell to the exhaust channel. From this, through offer the exhaust passage on the body to set up the guide plate that is used for leading high temperature air current to the exhaust passage, when thermal runaway appears in single or a plurality of electric core, the high temperature air current of production can in time discharge, avoids the high temperature air current to cross the flow in body top, reduces the influence of thermal runaway electric core to surrounding electric core, effectively reduces the thermal diffusion speed, prolongs the disposal time after thermal runaway appears in electric core, in order to improve the safety in utilization of battery tray.

Description

Battery tray, battery pack and vehicle

Technical Field

The utility model relates to the technical field of battery packs, in particular to a battery tray, a battery pack and a vehicle.

Background

In the related art, a battery pack has a sealed case, and a plurality of cells stacked in sequence are disposed in a receiving space of the case.

Wherein, the electric core is in the course of the work, operational environment abominable, charge and discharge do not accord with operation standard etc. all can lead to the electric core to appear thermal runaway, can produce the inflation after the thermal runaway of single electric core, and electric core explosion-proof valve opens to carry out the pressure release to this electric core, but this electric core exhaust high temperature air current can cross flow in the box, influences the electric core around, forms the thermal diffusion between a plurality of electric cores, and thermal diffusion is fast, the security is low.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, an object of the present utility model is to provide a battery tray that has a low heat diffusion and high safety in use.

The utility model also provides a battery pack adopting the battery tray.

The utility model further provides a vehicle adopting the battery pack.

According to an embodiment of the first aspect of the present utility model, a battery tray includes: the battery cell structure comprises a body and a guide plate, wherein the body is used for bearing the battery cell, an exhaust channel is arranged in the body, the guide plate is arranged on the body, and the guide plate is configured to guide gas exhausted by the battery cell to the exhaust channel.

According to the battery tray provided by the embodiment of the utility model, the exhaust channel is formed in the body, the guide plate for guiding the high-temperature air flow to the exhaust channel is arranged, when thermal runaway occurs in a single or a plurality of battery cells, the generated high-temperature air flow can be timely discharged, the high-temperature air flow is prevented from flowing in the upper part of the body, the influence of the thermal runaway battery cells on surrounding battery cells is reduced, the thermal diffusion speed is effectively reduced, the disposal time of the battery cells after the thermal runaway occurs is prolonged, and the use safety of the battery tray is improved.

Further, at least part of the guide plate is arranged opposite to the battery cell explosion-proof valve of the battery cell.

Optionally, the body further has an exhaust portion in communication with the exhaust channel, the exhaust portion configured to flow gas exhausted from the cell therethrough for exhaust to the exhaust channel.

Further, the exhaust part is configured as an exhaust groove; or the exhaust part is configured as a plurality of exhaust holes.

According to some embodiments of the utility model, the baffle comprises: the battery cell comprises a body, a first guide part, a second guide part, a gas guide part and an exhaust channel, wherein the first guide part and the second guide part are connected in a bending way, two ends of the first guide part are respectively connected with the body and the second guide part, the second guide part extends towards the battery cell and is opposite to the body, the second guide part is configured to guide gas exhausted from the battery cell to the space between the second guide part and the body, and the first guide part is configured to guide the gas flowing between the second guide part and the body to the exhaust channel.

A battery pack according to an embodiment of the second aspect of the present utility model includes: the battery tray and the battery core described in the above embodiments are disposed on the battery tray.

According to some embodiments of the utility model, the battery pack further comprises: and the battery pack explosion-proof valve is arranged at the downstream of the exhaust channel and is suitable for being opened to exhaust the gas in the exhaust channel when the pressure exceeds a safety threshold value.

Further, the battery pack further includes: the cooling plate is arranged opposite to the battery tray, and the battery cell is positioned between the battery tray and the cooling plate.

Optionally, the cooling plate includes: the battery cell is located between the battery tray and the horizontal plate, the bending plate bends and extends from the end part of the horizontal plate to the end part of the battery cell, and the bending plate is used for cooling at least part of the end face of the battery cell.

According to an embodiment of the second aspect of the present utility model, a vehicle includes: the battery pack described in the above embodiment.

Additional aspects and advantages of the utility model 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 utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

fig. 1 is a schematic view of a battery pack according to an embodiment of the present utility model;

fig. 2 is a schematic cross-sectional view of a battery pack according to an embodiment of the present utility model;

fig. 3 is an enlarged schematic view, partially in section, of a battery pack according to an embodiment of the present utility model;

FIG. 4 is a schematic view of a battery tray, battery explosion protection valve, baffle, and end plate of an embodiment of the present utility model;

fig. 5 is a schematic view of a cooling plate according to an embodiment of the present utility model.

Reference numerals:

the battery pack 100 is provided with a battery pack,

the battery tray 10, the body 11, the exhaust passage 111, the exhaust portion 12, the baffle 13, the first baffle portion 131, the second baffle portion 132,

a battery cell 20, a battery cell explosion-proof valve 21,

a battery pack explosion protection valve 40,

a cooling plate 50, a horizontal plate 51, a bending plate 52,

the end plates 60, the distribution box 70,

the large surface a of the battery cell.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

A battery tray 10, a battery pack 100, and a vehicle according to an embodiment of the present utility model are described below with reference to fig. 1 to 5.

As shown in fig. 1, 2 and 3, a battery tray 10 according to an embodiment of the first aspect of the present utility model includes: the body 11, the body 11 is used for bearing the battery cell 20, an exhaust channel 111 is arranged in the body 11, the guide plate 13 is arranged on the body 11, and the guide plate 13 is configured to guide the gas exhausted by the battery cell 20 to the exhaust channel 111.

According to the battery tray 10 of the embodiment of the utility model, the exhaust channel 111 is formed on the body 11, and the guide plate 13 for guiding the high-temperature air flow to the exhaust channel 111 is arranged, so that when thermal runaway occurs in a single or a plurality of battery cells 20, the generated high-temperature air flow can be timely discharged, the high-temperature air flow is prevented from flowing over the body 11, the influence of the thermal runaway battery cells 20 on surrounding battery cells 20 is reduced, the heat diffusion speed is effectively reduced, the disposal time of the battery cells 20 after the thermal runaway occurs is prolonged, and the use safety of the battery pack 100 adopting the battery tray 10 of the utility model is improved.

As shown in fig. 2 and 3, at least a part of the baffle 13 is disposed opposite to the cell explosion-proof valve 21 of the cell 20, that is, one end of the baffle 13 is connected to the body 11, and the other end extends away from the body 11 and is opposite to the cell explosion-proof valve 21 of the cell 20, and the body 11 further has an exhaust part 12 communicating with the exhaust channel 111, the exhaust part 12 is disposed between the baffle 13 and the cell explosion-proof valve 21, and the exhaust part 12 is configured to allow the gas exhausted from the cell 20 to flow therethrough so as to be exhausted to the exhaust channel 111.

Specifically, a containing space is formed above the body 11, an exhaust channel 111 is formed in the body 11, an exhaust part 12 communicated with the exhaust channel 111 is formed on a side plate body of the body 11 facing the containing space, a plurality of battery cells 20 can be stacked in the containing space, and a battery cell explosion-proof valve 21 of each battery cell 20 is arranged at the end part of each battery cell 20 adjacent to the body 11; the deflector 13 is disposed on the body 11 and on one side of the exhaust portion 12, and the cell explosion-proof valve 21 is opposite to the deflector 13 on the other side of the exhaust portion 12, so as to deflect the exhaust gas of the cell explosion-proof valve 21 to the exhaust channel 111.

First, the directions of the embodiment of the present utility model are defined by the whole vehicle coordinate system, that is, the horizontal plane includes the X-axis direction and the Y-axis direction, and the vertical plane is the Z-axis direction.

Illustratively, the battery tray 10 and the box define a containing space together, the battery cells 20 are stacked in the containing space along the X-axis direction, the battery cell explosion-proof valves 21 may be disposed at two ends of the Y-axis direction, the battery cell explosion-proof valves 21 are communicated with the exhaust channel 111 through the exhaust portion 12, the flow guide plate 13 is disposed on the body 11 and opposite to the battery cell explosion-proof valves 21, the high temperature gas exhausted by the battery cells 20 with thermal runaway is directly applied to the flow guide plate 13, and the flow guide plate 13 guides the high temperature gas to the exhaust channel 111.

It will be appreciated that the baffle 13 may be configured to be removably disposed on the body 11, or may be integrally formed with the body 11, for example: the region of the body 11 where the exhaust portion 12 is formed is bent away from the body 11 to form the baffle 13, which is not particularly limited in the present utility model.

It should be noted that, when the thermal runaway occurs in the single or multiple cells 20, the internal pressure of the thermal runaway cell 20 increases, after the cell explosion-proof valve 21 reaches the opening pressure, the high-temperature gas generated by the thermal runaway cell 20, and possibly even the high-temperature gas flame is discharged, and after the high-temperature gas is guided to the exhaust channel 111 by the guide plate 13 opposite to the cell explosion-proof valve 21, the high-temperature gas generated by the thermal runaway cell 20 can be avoided, and flows in the accommodating space, so that the high-temperature gas is prevented from acting on the surrounding cells 20 (particularly, the cells 20 around the thermal runaway cell 20 are not in particular) so as to avoid the thermal runaway of the surrounding cells 20 due to the influence of the high-temperature gas, thereby reducing the thermal diffusion speed between the cells 20.

Illustratively, taking a usage scenario in which the battery pack 100 is applied to a vehicle as an example, the handling time for thermal runaway of the battery cells 20 includes: after the thermal runaway occurs in the battery cell 20, a driver stops by the side, the passengers and the driver are separated from the vehicle, the battery pack 100 is disposed of after the driver is separated from the vehicle, and the like, the first two time periods are longer, so that the safety of the driver and other passengers can be effectively protected, the longer the battery pack 100 is disposed of after the driver is separated from the vehicle, the lower the probability of secondary hazard is, the longer the waiting rescue time is, and the safety of the driver, the passengers and other traffic participants can be effectively protected.

As shown in fig. 3, according to some embodiments of the present utility model, the baffle 13 includes: the first guiding part 131 and the second guiding part 132 are connected in a bending way, two ends of the first guiding part 131 are respectively connected with the body 11 and the second guiding part 132, the second guiding part 132 extends towards the battery cell 20 and is opposite to the body 11, the second guiding part 132 is configured to guide the gas exhausted from the battery cell 20 between the second guiding part 132 and the body 11, and the first guiding part 131 is configured to guide the gas flowing between the second guiding part 132 and the body 11 to the exhaust channel 111.

Specifically, the baffle 13 is configured as an L-shaped plate, the first guiding portion 131 extends along the Z-axis direction, and two ends of the first guiding portion 131 are respectively connected to the body 11 and the second guiding portion 132, and the second guiding portion 132 extends toward the battery cell 20 along the Y-axis direction.

The flow path of the high-temperature air flow is as follows: the high-temperature air flow discharged by the battery core explosion-proof valve 21 directly acts on the first guide part 131 under the action of high pressure, after the first guide part 131 receives the impact of the high-temperature air flow, the high-temperature air flow can upwards or downwards flow along the Z axis, the downwards flowing high-temperature air flow directly enters the exhaust channel 111 through the exhaust part 12 positioned below the second guide part 132, and the upwards flowing high-temperature air flow can further impact the second guide part 132, and the upwards flowing high-temperature air flow downwards flows and finally flows into the exhaust channel 111 under the stop action of the second guide part 132.

Thus, through the arrangement of the second diversion part 132 and the first diversion part 131, the interception effect on the high-temperature airflow can be improved, so that the channeling of the high-temperature airflow in the accommodating space can be effectively avoided, the exhaust effect is improved, and the influence of the battery cells 20 with thermal runaway on the surrounding battery cells 20 is reduced.

It should be noted that, the exhaust channel 111 is formed in the body 11, the deflector 13 is used for guiding the high temperature airflow downward, and in the actual working process, a certain amount of melt is carried in the high temperature airflow discharged from the thermal runaway cell 20, and the melt can be deposited downward under the action of gravity, and can also avoid the melt from acting on the surrounding cells 20, further reducing the thermal diffusion speed and improving the safety.

Further, the first diversion portion 131 and the second diversion portion 132 are in arc transition towards one side of the battery cell 20. In this way, in the process of conducting the high-temperature air flow through the second diversion part 132 and the first diversion part 131, the high-temperature air flow acting on the second diversion part 132 can flow downwards more smoothly, so that turbulence is avoided in the connection area between the first diversion part 131 and the second diversion part 132, the flow smoothness is improved, the amount of the high-temperature air flow overflowing into the accommodating space is reduced, and the exhaust efficiency is improved.

That is, the air guide plate 13, the body 11 and the battery core 20 define an air exhaust space, the air exhaust space is communicated with the air exhaust channel 111 through the air exhaust portion 12 to guide out the high temperature air flow, the accommodating space is located outside the air exhaust space, the air guide plate 13 is spaced apart from the battery core 20, the high temperature air flow may overflow from the air exhaust space into the accommodating space, the smoothness of the air flow is improved, and the high temperature air flow overflowing into the accommodating space can be reduced.

It will be appreciated that, referring to fig. 4, the exhaust portion 12 is for communicating the exhaust space with the exhaust passage 111, and the exhaust portion 12 may be configured as an exhaust groove; the exhaust portion 12 may be configured as a plurality of exhaust holes. Alternatively, a plurality of exhaust holes are provided at intervals in the extending direction of the baffle plate 13.

Specifically, in the embodiment where the exhaust portion 12 is configured as an exhaust slot, the solid plate material to be dug out for forming the exhaust slot area on the body 11 may be formed into the guide plate 13, that is, after the solid plate material in the area is drawn upward and further bent toward the electric core 20, the guide plate 13 is formed, and the body 11 and the guide plate 13 may be integrally formed, so as to reduce the processing cost; in the embodiment in which the exhaust portion 12 is configured as the plurality of exhaust holes, the baffle 13 is separately provided, may be configured as a detachable structure with the body 11, so that the baffle 13 is convenient to be reused, and the arrangement of the plurality of exhaust holes, while realizing the exhaust of the high-temperature air flow, may ensure that the structural strength of the battery tray 10 satisfies the use requirement.

As shown in fig. 1, in some embodiments, the cell explosion-proof valve 21 is disposed at a cell end face of the cell 20, and the baffle 13 is disposed at both sides in the width direction (Y-axis direction) of the body 11 so as to be opposite to the cell explosion-proof valve 21.

The battery cell 20 has a large battery cell surface a, a small battery cell surface and a battery cell end surface, wherein the large battery cell surface a is a plane defined by a length direction of the battery cell 20 and a height direction of the battery cell 20, the small battery cell surface is a plane defined by the length direction of the battery cell 20 and a thickness direction of the battery cell 20, and the battery cell end surface is a plane defined by the height direction of the battery cell 20 and the thickness direction of the battery cell 20.

In the embodiment of the present utility model, the large cell surfaces a of the multiple cells 20 are arranged in a bonding manner so as to be stacked in the X-axis direction, and the cell end surfaces are located at two ends in the Y-axis direction, and the number of the cell explosion-proof valves 21 may be one or two, in the embodiment of the two cell explosion-proof valves 21, the two cell explosion-proof valves 21 are respectively arranged on the two cell end surfaces of the cells 20, in the embodiment of the one cell explosion-proof valve 21, the cell explosion-proof valve 21 is arranged on one cell end surface of the cell 20, and then the guide plate 13 is arranged corresponding to the cell explosion-proof valve 21, and the guide plate 13 extends along the X-axis direction, so that the flow guiding of the high temperature air flow generated by the multiple cells 20 with thermal runaway can be realized through the guide plate 13, and the difficulty in arranging the guide plate 13 is reduced.

As shown in fig. 1, 2 and 3, a battery pack 100 according to an embodiment of the second aspect of the present utility model includes: the battery tray 10 and the battery cells 20 in the above embodiment, and the battery cells 20 are disposed on the battery tray 10.

The battery pack 100 according to the embodiment of the present utility model employs the battery tray 10, and has the same technical effects as the battery tray 10, and will not be described herein.

In the embodiment shown in fig. 4, the battery pack 100 further includes, according to some embodiments of the present utility model: a battery pack explosion-proof valve 40, the battery pack explosion-proof valve 40 being disposed downstream of the exhaust passage 111 and adapted to open to exhaust the gas in the exhaust passage 111 when the pressure exceeds a safety threshold.

The exhaust channel 111 extends along the X-axis direction, and the downstream of the exhaust channel 111 corresponds to two ends of the battery tray 10 in the length direction (i.e., the X-axis direction), where the battery pack explosion-proof valve 40 may be disposed at two ends in the X-axis direction, or the battery pack explosion-proof valve 40 may be disposed only at one end in the X-axis direction.

Therefore, by arranging the battery pack explosion-proof valve 40, when thermal runaway does not occur, the tightness of the battery pack 100 can be ensured, the working stability and the reliability of the battery pack 100 are improved, and when thermal runaway occurs in the battery cell 20, the high-temperature air flow in the air exhaust channel 111 acts on the battery pack explosion-proof valve 40, the battery pack explosion-proof valve 40 is opened, and the high-temperature air flow is discharged to the outside in time, so that the rapid pressure relief of the battery pack 100 is realized, and the safety of the battery pack 100 can be improved.

Illustratively, the two cell end faces of the cell 20 are respectively provided with a cell explosion-proof valve 21, two ends corresponding to the exhaust channel 111 are respectively provided with a cell pack explosion-proof valve 40, and the cell tray 10 is provided with 4 cell pack explosion-proof valves 40 in total, so that high-temperature air flow can be discharged in time when thermal runaway occurs.

As shown in fig. 1 and 5, in some embodiments, the battery pack 100 further includes: the cooling plate 50, the cooling plate 50 is disposed opposite to the battery tray 10, and the battery cell 20 is located between the battery tray 10 and the cooling plate 50.

Specifically, in the Z-axis direction, the battery tray 10, the battery core 20, and the cooling plate 50 are sequentially disposed from bottom to top, the exhaust channel 111 is disposed on the battery tray 10 to exhaust high-temperature air flow, the cooling plate 50 is disposed above the battery core 20, and can cool the battery core 20 through the cooling plate 50, the cooling plate 50 can cool the battery core 20 above the battery core 20 in the use process of the battery pack 100 and when thermal runaway occurs in the battery core 20, the air guide plate 13 and the exhaust channel 111 are disposed, the operation of the cooling plate 50 is not affected, when thermal runaway occurs, the temperature of the battery pack 100 can be controlled through the cooling plate 50, the temperature rising speed of the battery pack 100 is effectively reduced, and the safety of the battery pack 100 can be further improved.

In addition, the cooling plate 50 may be configured as a case upper cover of the battery pack at the same time, and the cost of the battery pack 100 may be reduced without further providing an upper cover.

As shown in fig. 1 and 4, an end plate 60 (expansion beam) may be further disposed on the battery tray 10, the cooling plate is connected with the battery tray 10 through the end plate 60, the end plate 60 is disposed at two sides of the cells 20 stacked in sequence to limit the cells 20, and a distribution box 70 may be disposed at a side of one end plate 60 away from the cells 20.

Further, the cooling plate 50 includes: the cooling plate 50 includes: the battery cell 20 is located between the battery tray and the horizontal plate 51, and the horizontal plate 51 and the bending plate 52 are bent from the end of the horizontal plate 51 to the end of the battery cell 20, and the bending plate 52 is used for cooling at least part of the end face of the battery cell 20.

Therefore, on one hand, through the arrangement of the horizontal plate 51 and the bending plate 52, the heat exchange area between the battery cell 20 and the cooling plate 50 can be increased, so as to improve the cooling effect of the cooling plate 50 on the battery cell 20; on the other hand, the two bending plates 52 can clamp and fix the battery cell 20, and can also improve the fixing stability of the battery cell 20, thereby achieving the technical effect of reinforcing the structure of the battery pack 100.

Preferably, the bending plate 52 is spaced apart from the post and the injection hole on the end face of the battery cell, so that the working safety of the battery pack 100 can be improved.

According to an embodiment of the third aspect of the present utility model, a vehicle includes: the battery pack 100 in the above embodiment has the same technical effects as the battery pack 100 described above, and will not be described here again.

In the description of the present utility model, it should 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", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

In the description of the utility model, a "first feature" or "second feature" may include one or more of such features.

In the description of the present utility model, "plurality" means two or more.

In the description of the utility model, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other by another feature therebetween.

In the description of the utility model, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. 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 utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A battery tray, comprising:

the battery pack comprises a body (11), wherein the body (11) is used for bearing a battery cell (20), and an exhaust channel (111) is arranged in the body (11);

the guide plate (13), the guide plate (13) is arranged on the body (11), and the guide plate (13) is configured to guide the gas exhausted by the battery cell (20) to the exhaust channel (111).

2. The battery tray according to claim 1, wherein at least part of the baffle (13) is arranged opposite to a cell explosion-proof valve (21) of the cell (20).

3. The battery tray according to claim 1 or 2, wherein the body (11) further has a gas discharge portion (12) in communication with the gas discharge channel (111), the gas discharge portion (12) being configured to flow the gas discharged from the battery cell (20) therethrough to be discharged to the gas discharge channel (111).

4. A battery tray according to claim 3, wherein the vent (12) is configured as a vent slot; or the exhaust part is configured as a plurality of exhaust holes.

5. The battery tray according to claim 1, wherein the deflector (13) comprises: the battery pack comprises a body (11) and a second guide part (132) which are connected in a bending manner, wherein the two ends of the first guide part (131) are respectively connected with the body (11) and the second guide part (132), the second guide part (132) extends towards the battery cell (20) and is opposite to the body (11), the second guide part (132) is configured to guide gas exhausted from the battery cell (20) to the space between the second guide part (132) and the body (11), and the first guide part (131) is configured to guide the gas flowing between the second guide part (132) and the body (11) to the exhaust channel (111).

6. A battery pack, comprising:

the battery tray of any one of claims 1-5;

and an electric core (20) arranged on the battery tray.

7. The battery pack of claim 6, further comprising: a battery pack explosion protection valve (40), the battery pack explosion protection valve (40) being arranged downstream of the exhaust channel (111) and adapted to open to exhaust gas in the exhaust channel (111) when the pressure exceeds a safety threshold.

8. The battery pack of claim 6, further comprising: and the cooling plate (50) is arranged opposite to the battery tray, and the battery cell (20) is positioned between the battery tray and the cooling plate (50).

9. The battery pack according to claim 8, wherein the cooling plate (50) includes: horizontal plate (51) and bending plate (52), electric core (20) are located battery tray with between horizontal plate (51), bending plate (52) are followed the tip of horizontal plate (51) is buckled and is extended to the tip of electric core (20), bending plate (52) are used for cooling to at least part of electric core terminal surface of electric core (20).

10. A vehicle, characterized by comprising: the battery pack of any one of claims 6-9.

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