CN202651307U - Battery module and battery pack - Google Patents

Battery module and battery pack Download PDF

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Publication number
CN202651307U
CN202651307U CN2011205468359U CN201120546835U CN202651307U CN 202651307 U CN202651307 U CN 202651307U CN 2011205468359 U CN2011205468359 U CN 2011205468359U CN 201120546835 U CN201120546835 U CN 201120546835U CN 202651307 U CN202651307 U CN 202651307U
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China
Prior art keywords
aforementioned
battery module
heat
thermal component
battery
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CN2011205468359U
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Chinese (zh)
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本桥季之
东野龙也
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Nissan Motor Co Ltd
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Nissan Motor Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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  • Sealing Battery Cases Or Jackets (AREA)

Abstract

The utility model provides a battery module and a battery pack. The battery module is formed by laminating a plurality of single batteries, which allows heat generated by the single batteries which form the battery module properly to dissipate while restrains up-sizing. The battery module is characterized in that planar heat-conducting components (50, 60) arranged in a state of laminating together with the single batteries are disposed between the laminating end of the battery module and/or the single batteries. Heat dissipation components (51, 61) used for dissipating the heat generated by the battery module are connected to the heat-conducting components (50, 60). The heat dissipation components (51, 61) are disposed on one side face of the side faces formed by laminating the single batteries.

Description

Battery module and battery pack
Technical field
The utility model relates to a kind of battery module and battery pack.
Background technology
In the battery module that a plurality of cells are laminated, known a kind of technology (for example, with reference to patent documentation 1) that between cell, clamps heating panel.In this patent documentation 1, become the structure of regulation by making heating panel, between cell, be formed for the cooling air stream that cooling air passes through.
Patent documentation 1: Japanese kokai publication hei 8-321329 communique
The utility model content
In the battery module that a plurality of cells are laminated and battery pack that battery module is laminated, owing to its lit-par-lit structure maximizes, on the other hand, require to suppress as much as possible to maximize.For example, in above-mentioned prior art, owing between cell, forming the cooling air stream, so battery module and utilize the stacked thickness of its battery pack that obtains to increase.Thus, there is the problem that maximizes.
Problem to be solved in the utility model is in the battery module that a plurality of cells are laminated, when suppressing maximization, the heat that is produced by the cell that consists of battery module is suitably shed.
The utility model solves above-mentioned problem by following method, namely, in the battery module that a plurality of cells are laminated, between the stacked end and/or cell of battery module, to be connected with the plane conducting-heat elements of thermal component with the stacked state configuration of cell, and the thermal component that will be connected with conducting-heat elements is configured to, and is arranged in by on the side with the stacked side that forms of cell.
The effect of utility model
According to the utility model, in the battery module that a plurality of cells are laminated,
When suppressing to maximize, the heat that is produced by the cell that consists of battery module is suitably shed.
Description of drawings
Fig. 1 is the figure of the battery module that relates to of expression the 1st execution mode of the present utility model.
Fig. 2 is the exploded perspective view of the battery module that relates to of the 1st execution mode of the present utility model.
Fig. 3 is the figure that expression consists of the cell of the battery module that the 1st execution mode of the present utility model relates to.
Fig. 4 is the figure be used to the manufacture method that the battery module that the 1st execution mode of the present utility model relates to is described.
Fig. 5 is the figure of the battery pack that relates to of expression the 1st execution mode of the present utility model.
Fig. 6 is the figure of the battery module that relates to of expression the 2nd execution mode of the present utility model.
Fig. 7 is the exploded perspective view of the battery module that relates to of the 2nd execution mode of the present utility model.
Fig. 8 is the figure of the battery pack that relates to of expression the 2nd execution mode of the present utility model.
Fig. 9 is the figure of an example of the radiator that relates to of expression other execution modes of the present utility model.
Figure 10 is the figure of an example of the radiator that relates to of expression other execution modes of the present utility model.
Figure 11 is the figure of an example of the radiator that relates to of expression other execution modes of the present utility model.
Embodiment
Below, based on accompanying drawing execution mode of the present utility model is described.
" the 1st execution mode "
Fig. 1 is the oblique view of the battery module 10 that relates to of expression present embodiment, and Fig. 2 is the exploded perspective view of the battery module 10 that relates to of present embodiment.As shown in Figure 2, the battery module 10 that present embodiment relates to has the cell group 100 that 4 cells 20 are laminated 1, and the cell group 100 that 4 identical cells 20 are laminated 2, by with these cell groups 100 1, 100 2With the 1st heat-conducting plate 50, the 50 and the 2nd heat-conducting plate 60 is stacked and consist of (with reference to Fig. 1).That is to say, as shown in Figure 2, the battery module 10 that present embodiment relates to is by with the 1st heat-conducting plate 50, cell group 100 1, the 2nd heat-conducting plate 60, cell group 100 2, the 1st heat-conducting plate 50 sequentially carries out stacked with this and consist of.
Cell group 100 1, cell group 100 2Have respectively 4 cells.In the present embodiment, consist of the cell group 100 of battery module 10 1With cell group 100 2Become identical structure.Therefore, the below is with cell group 100 1For example describes.
Fig. 3 is that expression consists of cell group 100 1The oblique view of cell 20.As shown in Figure 3, cell 20 has: generating key element 21, and it is housed in the laminated film 22; And positive terminal 23 and negative terminal 24, it is used for generating key element 21 is carried out electric power input, output.As shown in Figure 3, laminated film 22 is by turning back at reflex part 22a place, and carries out heat bonding at the 22b of heat bonding section, 22c, 22d place, thereby accommodates generating key element 21.That is to say, generating key element 21, a side in its 4 sides is by reflex part 22a sealing, and remaining 3 side is by the 22b of heat bonding section, 22c, 22d sealing.In addition, as consisting of cell group 100 1 Cell 20, can exemplify the various secondary cells such as lithium ion battery, Ni-MH battery, nickel-cadmium cell, but be not particularly limited in these.
And, as shown in Figure 2,4 cells 20 with this structure, become and make reflex part 22a towards the state of the positive side of Z direction, and carry out stacked in the mode that interarea overlaps each other, the positive terminal 23 of each cell 20 and negative terminal 24 utilize terminal board 30 to be electrically connected, thereby connected in series or in parallel.In addition, the cell group 100 1Have for the heat that keeps each cell 20 and melt framework 40, heat is melted framework 40 and is kept consisting of cell group 100 1Each 22b of heat bonding section, 22c, the 22d of each cell 20.In addition, as shown in Figure 2, heat is melted framework 40, is consisting of cell group 100 1The part in the directions X outside of generating key element 21 of each cell 20 on have protuberance 41, this protuberance 41 with compare by the side towards the positive side of Z direction that each cell 20 is carried out in the stacked side that forms, protrude to the Z direction.
The 1st heat-conducting plate 50 is the flat-shaped parts with thermal conductivity, is configured in by the cell group 100 that consists of battery module 10 1And cell group 100 2A stacked end of the duplexer that consists of, and another stacked end.Be connected with the 1st radiator 51 at the 1st heat-conducting plate 50.As shown in Figure 2, the 1st radiator 51 has the base portion that is connected with the 1st heat-conducting plate 50 and uprightly is arranged on a plurality of fin on this base.In addition, as shown in Figure 2, a plurality of fin are with the arranged spaced of regulation.
In addition, on one in a pair of the 1st heat-conducting plate 50 of the stacked end that is disposed at the duplexer that is consisted of by each cell 20 that consists of battery module 10, as shown in Figure 2, have 4 bars 70.And, be passed in cell group 100 by making these 4 bars 70 2 Heat melt framework 40, the 2nd heat-conducting plate 60, cell group 100 1Heat melt the through hole that has on framework 40 and another the 1st heat-conducting plate 50, can carry out the position and align.
In addition, the 2nd heat-conducting plate 60 is the plane plate-shaped members with thermal conductivity, to be installed in cell group 100 1With cell group 100 2Between state configuration.As shown in Figure 2, be connected with two the 2nd radiators 61 at the 2nd heat-conducting plate 60.These two the 2nd radiators 61 as shown in Figure 2, have: the base portion that is connected with the 2nd heat-conducting plate 60; And uprightly be arranged on a plurality of fin on this base portion.In addition, as shown in Figure 2, a plurality of fin be arranged at the 1st radiator 51 on the identical arranged spaced of a plurality of fin.
And, battery module 10 as the following formation of present embodiment.That is, as shown in Figure 4, one overlapped way in a pair of the 1st heat-conducting plate 50 is that the 1st radiator 51 that is connected with the 1st heat-conducting plate 50 is positioned at and consists of cell group 100 1The side of 4 cells 20 in the side towards the positive side of Z direction (side that is formed by the reflex part 22a of 4 cells 20) on.In addition, similarly, the overlapped way of another in a pair of the 1st heat-conducting plate 50 is that the 1st radiator 51 that is connected with heat-conducting plate 50 is positioned at and consists of cell group 100 2The side of 4 cells 20 on the side of the positive side of Z direction.
And, stacked by they are carried out via the 2nd heat-conducting plate 60 as shown in Figure 1, the battery module 10 of formation present embodiment.In addition, such as Fig. 1, shown in Figure 4, two the 2nd radiators 61 that are connected with the 2nd heat-conducting plate 60 are configured to, and lay respectively to consist of cell group 100 1The side of 4 cells 20 on the side of the positive side of Z direction, and consist of cell group 100 2The side of 4 cells 20 on the side of the positive side of Z direction.That is to say, as shown in Figure 1, each radiator 51,61 is configured to, and is positioned at by consisting of cell group 100 1And cell group 100 2The side that forms of each cell 20 in same side on, specifically, be positioned on the side that the reflex part 22a by cell 20 forms.
And, in the battery module 10 of present embodiment, by consisting of cell group 100 1, 100 2The heat that produces of each cell 20, via a pair of the 1st heat-conducting plate 50 and the 2nd heat-conducting plate 60, spread and dispel the heat to the 1st radiator 51 that is connected with the 1st heat-conducting plate 50 and the 2nd radiator 61 that is connected with the 2nd heat-conducting plate 60 respectively.
In addition, in the present embodiment, be installed in cell group 100 1With cell group 100 2Between the 2nd heat-conducting plate 60, be preferably formed than the high structure of the 1st heat-conducting plate 50 thermal conductivity that is disposed at stacked end.As the method that the 2nd heat-conducting plate 60 is formed the structure higher than the 1st heat-conducting plate 50 thermal conductivity, for example, can exemplify and (for example utilize the high material of ratio the 1st heat-conducting plate 50 pyroconductivities or structure, heated launder etc.) consist of the method for the 2nd heat-conducting plate 60, or make the thick method of thickness of Thickness Ratio the 1st heat-conducting plate 50 of the 2nd heat-conducting plate 60.The battery module 10 of present embodiment structurally has following character, that is, compare with stacked end, consists of cell group 100 1, 100 2The heat that produces of each cell 20 more easily be stuck in stacked central portion.That is to say, and compare near the 1st heat-conducting plate 50, the heat that is produced by each cell 20 more easily is stuck near the 2nd heat-conducting plate 60.Relative with it, by the 2nd heat-conducting plate 60 is formed than the high structure of the 1st heat-conducting plate 50 thermal conductivity, can promote the heat radiation of stacked central portion, thus, battery module 10 integral body can be cooled off equably.
In addition, in the battery module 10 of present embodiment, also blowing unit can be set, it is used for from cell group 100 2Side is towards cell group 100 1, along Y-direction to each radiator 51,61 carry cooling airs.By this blowing unit is set, the cooling effectiveness of battery module 10 is improved.
In addition, in the battery module 10 of present embodiment, as shown in Figure 1, be configured in cell group 100 1On each radiator 51,61 and be configured in cell group 100 2On each radiator 51,61, to observe from Y-direction (length direction of fin), the nonoverlapping mode of fin configures.Specifically, the mode with the arrangement pitches offset half period of fin configures.Like this, by configuring to observe the nonoverlapping mode of fin from Y-direction, in the situation of the blowing unit that is provided for carrying to each radiator 51,61 cooling airs, cooling effectiveness is further improved.
Below, with reference to Fig. 5, the battery pack 200 of present embodiment is described.Fig. 5 is the oblique view of the battery pack 200 of expression present embodiment.
As shown in Figure 5, the battery pack 200 of present embodiment is by with 6 battery modules 10 1~ 10 6Stacked and consist of.In addition, these 6 battery modules 10 1~ 10 6It is the battery module with structure identical with battery module shown in Figure 1 10.
And as shown in Figure 5, the battery pack 200 of present embodiment is by with 6 battery modules 10 1~ 10 6Carry out in the following manner stacked and consist of, that is, each radiator 51,61 is positioned on the same side, and each radiator 51,61 allocation position (configuration mode) are identical.
In addition, be provided with blowing unit (not shown) in the battery pack 200 of present embodiment, it is used for from battery module 10 6Side is towards battery module 10 1, along Y direction to each radiator 51,61 carry cooling airs.Thus, can will cool off efficiently to the heat of each radiator 51,61 diffusions, its result can will consist of each battery module 10 1~ 10 6Each cell 20 cool off efficiently.
In addition, in the battery pack 200 of present embodiment, as shown in Figure 5, each radiator 51,61 adjacent one another are on Y-direction configures to observe the nonoverlapping mode of fin from Y-direction (length direction of fin).Specifically, the mode with the arrangement pitches offset half period of fin configures.Like this, by configuring to observe the nonoverlapping mode of fin from Y-direction, in the situation of the blowing unit that is provided for carrying to each radiator 51,61 cooling airs, cooling effectiveness is further improved.
In the present embodiment, by cell group 100 1And cell group 100 2The stacked end of the duplexer that consists of, configuration is connected with the 1st heat-conducting plate 50 of the 1st radiator 51, in addition, in cell group 100 1With cell group 100 2Between, configuration is connected with the 2nd heat-conducting plate 60 of the 2nd radiator 61.And be configured to, the 1st radiator 51 that is connected with the 1st heat-conducting plate 50 and the 2nd radiator 61 that is connected with the 2nd heat-conducting plate 60 are positioned at by consisting of cell group 100 1And cell group 100 2The side that forms of each cell 20 in same side on.Thus, according to present embodiment, in the battery module 10 that a plurality of cells 20 are laminated and battery pack 200 that a plurality of battery modules 10 are laminated, when suppressing maximization, the heat that is produced by the cell 20 that consists of battery module 10 and battery pack 200 suitably can be shed.
Especially, according to present embodiment, by the 1st plane heat-conducting plate 50 and the 2nd heat-conducting plate 60 are layered in cell group 100 1And cell group 100 2On, can prevent the increase of stacked thickness, its result can suppress the maximization of battery module 10 and battery pack 200.
And, according to present embodiment, because the 1st heat-conducting plate 50 and the 2nd heat-conducting plate 60 are connected with respectively the 1st radiator 51 and the 2nd radiator 61, therefore, by making the heat that is produced by each cell 20 that consists of battery module 10 and battery pack 200, spread heat radiation that can be suitable via heat-conducting plate 50,60 to these radiators 51,61.
And, according to present embodiment, because the 1st radiator 51 and the 2nd radiator 61 are configured to, be positioned at by consisting of cell group 100 1And cell group 100 2The side that forms of each cell 20 in same side on, therefore, as long as the side feed cooling air that only exists to these the 1st radiators 51 and the 2nd radiator 61.Thus, according to present embodiment, as long as will only be arranged on for delivery of the space of cooling air on this side, its result can suppress the maximization of battery module 10 and battery pack 200.Especially, passing through directly to carry cooling air to battery pack, cooling air is passed through in battery pack inside, and carry out in the existing structure of cooling of battery pack, at entrance side and the outlet side of cooling air, must be formed for carrying the space of cooling air, on the other hand, according to present embodiment, as long as owing to will only be arranged on for delivery of the space of cooling air on the side of the 1st radiator 51 and 61 existence of the 2nd radiator, therefore compare with above-mentioned existing structure, can suppress to maximize.
In addition, the battery pack 200 that a plurality of battery modules 10 are laminated is by having larger area side (with reference to Fig. 5) with stacked formation of battery module.Relative therewith, in the present embodiment, utilize this to have the larger area side, the 1st radiator 51 and the 2nd radiator 61 are configured on this side in the lump.And, according to present embodiment, by adopting this structure, when suppressing battery pack 200 maximizations, the occupied area of the cooling-part that is made of the 1st radiator 51 and the 2nd radiator 61 can be increased, thus, the heat that is produced by each cell 20 that consists of battery pack 200 can be shed well.
And in the present embodiment, the 1st radiator 51 and the 2nd radiator 61 are configured to, and are arranged on the side that the reflex part 22a by cell 20 of the side that is formed by each cell 20 forms.Here, as shown in Figure 3, in cell 20, compare with the side that forms the heat bonding 22b of section, 22c, 22d, generating key element 21 is positioned near the side of cell 20 at the place, side that forms reflex part 22a.Thus, because by the 1st radiator 51 and the 2nd radiator 61 are configured to, be positioned on the side that the reflex part 22a by unit bodies battery 20 forms, can with as the generating key element 21 of pyrotoxin and the Distance Shortened of the 1st radiator 51 and the 2nd radiator 61, therefore the heat that is produced by each cell 20 can be shed efficiently.
In addition, in the battery pack 200 of present embodiment, as shown in Figure 5, with each battery module 10 1~ 10 6Be configured to each battery module 10 1~ 10 6The 1st radiator 51 and the allocation position (configuration mode) of the 2nd radiator 61 identical.Especially, in the battery pack 200 of present embodiment, as shown in Figure 5, and be positioned at each battery module 10 1~ 10 6The 2nd radiator 61 that connects of the 2nd heat-conducting plate 60 of stacked central portion, be configured to all be positioned at the both end sides (directions X distolateral) of battery pack 200.Thus, according to present embodiment, when carrying cooling air by blowing unit, even only near the both end sides of the battery pack 200 at the 2nd radiator 61 places, carry cooling air, also can make the temperature of battery pack 200 even, wherein, the 2nd radiator 61 is connected with the 2nd heat-conducting plate 60 that is positioned at the stacked central portion that heat more easily stagnates.And, owing to by only forming as mentioned above near the structure of carrying cooling air the both end sides of battery pack 200, need not to carry cooling air to the central portion of battery pack 200, therefore can make the blowing unit miniaturization, its result can make battery pack 200 miniaturizations.Especially, by making the blowing unit miniaturization, can reduce the power consumption that making blowing unit action required, for example, be used in the situation of electric automobile etc. the sustainable distance of travelling that can prolong electric automobile in the battery pack 200 with present embodiment.In addition, by making the blowing unit miniaturization, can also be reduced in the action noise that produces when blowing unit is moved.In addition, according to present embodiment, by will be positioned at each battery module 10 1~ 10 6The 2nd radiator 61 that connects of the 2nd heat-conducting plate 60 of stacked central portion, be configured to all be positioned at the both end sides (directions X distolateral) of battery pack 200, can make the 2nd radiator 61 that is connected with the 2nd heat-conducting plate 60 that is positioned at the stacked central portion that heat more easily stagnates be easy to link to each other with surrounding space, thus, the heat that is produced by battery pack 200 is shed efficiently.
And, according to present embodiment, as shown in Figure 2, make to consist of cell group 100 1And cell group 100 2 Heat melt framework 40, become the structure with protuberance 41, this protuberance 41 with compare by the side that disposes the 1st radiator 51 and the 2nd radiator 61 that cell 20 is carried out in the stacked side that forms, protrude to the Z direction.And this protuberance 41 can form barrier in battery pack shown in Figure 5 200, this barrier is used in the situation that utilize blowing unit to carry cooling air, prevent that the cooling air of carrying from leaking towards periphery, thus, can make by the efficient of carrying cooling air to cool off and improve.
" the 2nd execution mode "
Below, the 2nd execution mode of the present utility model is described.Fig. 6 is the oblique view of the battery module 10a that relates to of expression the 2nd execution mode, and Fig. 7 is the exploded perspective view of the battery module 10a that relates to of the 2nd execution mode.The battery module 10a that the 2nd execution mode relates to, except following to illustrate, have identical structure and the effect of battery module 10 that relates to above-mentioned the 1st execution mode, omit the explanation of its repetition.
As shown in Figure 7, the battery module 10a that the 2nd execution mode relates to, the battery module 10 that relates to from the 1st execution mode aspect following is different, that is, the 1st radiator 51a that is connected with the 1st heat-conducting plate 50, a plurality of fin of the arranged spaced that has to stipulate, on the other hand, a plurality of fin of the 2nd radiator 61a that is connected with the 2nd heat-conducting plate 60 are compared with the fin of the 1st radiator 541a, with narrow arranged spaced.In addition, in the battery module 10a that the 2nd execution mode relates to, make the 1st radiator 51a and the 2nd radiator 61a become formed objects.
According to the 2nd execution mode, on the basis of the effect that obtains above-mentioned the 1st execution mode, also obtain following effect.
Namely, according to the 2nd execution mode, by making the fin of the 2nd radiator 61a that is connected with the 2nd heat-conducting plate 60 that is positioned at the stacked central portion that heat more easily stagnates, compare with narrow arranged spaced with the fin of the 1st radiator 51a, can promote the heat radiation of stacked central portion sheet, thus, battery module 10a and the battery pack of using battery module 10a to obtain can be cooled off equably.
" the 3rd execution mode "
Below, the 3rd execution mode of the present utility model is described.Fig. 8 is the oblique view of the battery pack 200a that relates to of expression the 3rd execution mode.The battery pack 200a that the 3rd execution mode relates to, except following to illustrate, have identical structure and the effect of battery pack 200 that relates to above-mentioned the 1st execution mode, omit the explanation of its repetition.
That is, the battery pack 200a that the 3rd execution mode relates to is with 6 battery modules 10 1, 10 2, 10 3, 10b 1, 10b 2, 10b 3Stacked and consist of.And, battery module 10 in these 6 battery modules 1, 10 2, 10 3, be the battery module with structure identical with battery module shown in Figure 1 10, on the other hand, battery module 10b 1, 10b 2, 10b 3It is the battery module with structure different from battery module shown in Figure 1 10.Specifically, battery module 10b 1, 10b 2, 10b 3Except a plurality of fin of the radiator 51b, the 61b that are connected with each heat-conducting plate 50,60 are respectively compared with the radiator 51 of battery module 10 shown in Figure 1, a plurality of fin of 61, outside wider being spaced, have the structure identical with battery module shown in Figure 1 10.
And as shown in Figure 8, the battery pack 200a of present embodiment is by with 6 battery modules 10 1, 10 2, 10 3, 10b 1, 10b 2, 10b 3Carry out in the following manner stacked and consist of, that is, each radiator 51,61,51b, 61b are positioned on the same side, and the allocation position (configuration mode) of each radiator 51,61,51b, 61b is identical.
According to the 3rd execution mode, on the basis of the effect that obtains above-mentioned the 1st execution mode, also obtain following effect.
That is, in the 3rd execution mode, will be positioned at the battery module 10b near the air-supply upstream of blowing unit 1, 10b 2, 10b 3The interval of fin of radiator 51b, 61b set widelyr, on the other hand, will be positioned at the battery module 10 away from the air-supply downstream of blowing unit 1, 10 2, 10 3 Radiator 51, the interval of 61 fin set narrowlyer.And, according to present embodiment, carry cooling air in the situation that utilize blowing unit, because at the air-supply upstream end near blowing unit, the cooling air temperature is lower, therefore for the radiator 51b, the 61b that are positioned at the air-supply upstream, even set the interval of fin wider (even setting heat exchange area less), also can guarantee sufficient cooling performance.On the other hand, because in the air-supply downstream away from blowing unit, compare with the air-supply upstream, the tendency that exists chilling temperature to rise, therefore at the air-supply downstream part, by setting narrowlyer the interval of radiator 51,61 fin (by setting heat exchange area larger), even at the air-supply downstream part away from blowing unit, also may guarantee sufficient cooling performance.And, as its result, battery pack 200a integral body can be cooled off equably.
In addition, in the above-described embodiment, the 1st heat-conducting plate 50, the 2nd heat-conducting plate 60 are equivalent to conducting-heat elements of the present utility model, the 1st radiator 51,51a, 51b and the 2nd radiator 61,61a, 61b are equivalent to thermal component of the present utility model, heat is melted framework 40 and is equivalent to holding member of the present utility model, and blowing unit is equivalent to cooling unit of the present utility model.
Above, execution mode of the present utility model is illustrated, but these execution modes for easily being understood, the utility model put down in writing, and be not to put down in writing in order to limit the utility model.Therefore, disclosed each key element refers to also comprise all design alterations and the equivalent that belong in the technical scope of the present utility model in the above-described embodiment.
For example, as the radiator that is connected with each heat-conducting plate 50,60, also the example shown in the above-mentioned execution mode be can be substituted in, corrugate fin type radiator shown in Figure 9, slit fin type radiator shown in Figure 10 used, and biasing fin type radiator shown in Figure 11 etc.

Claims (10)

1. battery module, it is that a plurality of cells are laminated, it is characterized in that,
Between the stacked end and/or aforementioned monomer battery of aforementioned battery module, have with the plane conducting-heat elements with the stacked state configuration of aforementioned monomer battery,
On aforementioned conducting-heat elements, be connected with for the thermal component that will be shed by the heat that aforementioned battery module produces,
Aforementioned thermal component is configured to, and is arranged on the side by side that the aforementioned monomer battery stack is formed.
2. battery module according to claim 1 is characterized in that,
Aforementioned thermal component has: pedestal; And a plurality of fin, it uprightly is arranged on the aforementioned pedestal.
3. battery module according to claim 2 is characterized in that,
Aforementioned battery module has a plurality of conducting-heat elements,
Compare with the thermal component on being connected to the stacked distolateral conducting-heat elements that is disposed at aforementioned battery module, be disposed at the thermal component on the conducting-heat elements of stacked direction central portion, its fin interval is narrower.
4. each described battery module in 3 according to claim 1 is characterized in that,
Aforementioned battery module has a plurality of conducting-heat elements,
Compare with the stacked distolateral conducting-heat elements that is disposed at aforementioned battery module, the conducting-heat elements that is disposed at the stacked direction central portion has higher heat conductivility.
5. battery module according to claim 1 is characterized in that,
Aforementioned a plurality of cell is utilize laminated film to generate electricity lamination cased battery that the key element sealing forms,
Aforementioned generating key element, an one side utilizes the fold back portion sealing of aforementioned laminated film, and remaining three side utilizes the weld sealing of aforementioned laminated film,
Aforementioned thermal component is configured to, and is positioned on the side by the fold back portion sealing of aforementioned laminated film of aforementioned a plurality of cells.
6. battery module according to claim 5 is characterized in that,
Also have holding member, it keeps the weld of the aforementioned laminated film of aforementioned a plurality of cells, and aforementioned holding member has protuberance, and it protrudes than this side with respect to the side that disposes aforementioned thermal component.
7. battery pack, it is with stacked a plurality of the forming of each described battery module in the claim 1 to 6, it is characterized in that,
The overlapped way of aforementioned a plurality of battery modules is, makes the thermal component on the side that is positioned at each aforementioned battery module, is arranged in by on the side with the stacked side that forms of aforementioned battery module.
8. battery pack according to claim 7 is characterized in that,
Be arranged in thermal component thermal component, that be connected with the conducting-heat elements of the stacked direction central portion that is disposed at aforementioned battery module on the side of each aforementioned battery module, passing through aforementioned battery module on the stacked side that forms, observing being configured on the identical position from stacked direction.
9. battery pack according to claim 8 is characterized in that,
Be arranged in thermal component on the side of each aforementioned battery module, with the thermal component that the conducting-heat elements of the stacked direction central portion that is disposed at aforementioned battery module is connected, be configured in the side adjacent with the side that disposes aforementioned thermal component.
10. each described battery pack in 9 according to claim 7 is characterized in that,
Disposing on the side of aforementioned thermal component, also having the cooling unit of carrying cooling fluid,
Aforementioned thermal component has: pedestal; And a plurality of fin, it uprightly is arranged on the aforementioned pedestal,
And, to compare with the thermal component of the upstream side that is disposed at aforementioned cooling fluid, the interval of fin of thermal component in downstream that is disposed at aforementioned cooling fluid is narrower.
CN2011205468359U 2010-12-24 2011-12-23 Battery module and battery pack Expired - Fee Related CN202651307U (en)

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Application Number Priority Date Filing Date Title
JP2010287347A JP2012134101A (en) 2010-12-24 2010-12-24 Battery module and battery pack
JP2010-287347 2010-12-24

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CN106684280B (en) * 2016-12-27 2019-06-07 浙江超威创元实业有限公司 A kind of soft pack cell PACK structure
CN111180622A (en) * 2018-11-12 2020-05-19 丰田自动车株式会社 Battery pack

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