CN218548576U - Heatable laminate polymer battery module - Google Patents

Heatable laminate polymer battery module Download PDF

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Publication number
CN218548576U
CN218548576U CN202223149640.8U CN202223149640U CN218548576U CN 218548576 U CN218548576 U CN 218548576U CN 202223149640 U CN202223149640 U CN 202223149640U CN 218548576 U CN218548576 U CN 218548576U
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plate
heat
battery
battery pack
battery module
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CN202223149640.8U
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Chinese (zh)
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张旭峰
王振兴
谭立骋
刘承梅
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Pylon Technologies Co Ltd
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Pylon Technologies 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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Abstract

The utility model belongs to the technical field of the battery package technique and specifically relates to a laminate polymer battery module of heatable, include: the battery pack is arranged in the shell; at least one side part of the shell is provided with a side opening, and the side opening is covered with a heat conduction side plate component; the heating component is arranged on the heat conduction side plate component; at least one of the remaining sides of the enclosure, except where the thermally conductive side plate assembly is disposed, is an insulating panel. It is thus clear that this laminate polymer battery module set and adds the thermal member, can open the heating according to actual need, and the heat can transmit for the group battery through the heat conduction curb plate subassembly of group battery one side moreover, and then has realized the heating to the group battery, reduces the difference in temperature, prolongs the life of battery, in addition, sets up thermal-insulated plate at the opposite side of group battery, can effectively completely cut off the heat, prevents that the heat from scattering and disappearing. In addition, the heating component is arranged outside and effectively isolated from the high voltage inside the battery, so that the battery is safer and more reliable.

Description

Heatable laminate polymer battery module
Technical Field
The utility model belongs to the technical field of the battery package technique and specifically relates to a laminate polymer battery module of heatable is related to.
Background
At present, in the energy storage cabinet combining, the battery module that soft-packaged electrical core constitutes can't charge and discharge in low temperature environment, or the too big influence to battery life of electric core difference in temperature.
SUMMERY OF THE UTILITY MODEL
An object of the application is to provide a heatable laminate polymer battery module, has solved the battery module that laminate polymer battery core that exists among the prior art constitutes to a certain extent, unable charge-discharge in low temperature environment, or the too big technical problem who has great influence to battery life of electric core difference in temperature.
The application provides a laminate polymer battery module of heatable, include: a battery pack, a housing, a thermally conductive side plate assembly, and a heating member;
wherein the battery pack is disposed within the housing; at least one side part of the shell is provided with a side opening, and the side opening is covered with the heat-conducting side plate component; the heating component is arranged on the heat-conducting side plate assembly;
at least one of the remaining sides of the enclosure, except where the thermally conductive side plate assembly is disposed, is an insulating panel.
In the above technical solution, further, the heat-conducting side plate assembly includes a cover plate and a heat-conducting plate; wherein, the heat conduction plate is arranged on one side of the cover plate close to the battery pack.
In any of the above technical solutions, further, the heat-conducting side plate assembly includes a cover plate member and a heat-conducting plate member; the heat conducting plate is arranged on one side of the cover plate;
the cover plate is provided with mounting through holes penetrating through two opposite side parts of the cover plate, and the heating component is embedded in the mounting through holes;
and a groove communicated with the mounting through hole is formed on one side of the cover plate, which is far away from the battery pack, and is used for placing an electric connection part of the heating component.
In any of the above solutions, further, the cover plate is formed by plastic, and the heat conducting plate is formed by aluminum.
In any of the above technical solutions, further, the heat-conducting side plate assembly is connected with the housing in a clamping manner; and/or
A heat-conducting structural adhesive layer is arranged between the heat-conducting side plate assembly and the battery pack; and/or
And a structural adhesive layer is arranged between the heat insulation plate of the shell and the battery pack.
In any of the above technical solutions, further, the heatable pouch battery module further includes a tab integration assembly, and along the height direction of the battery pack, the tab integration assembly is disposed between the top of the battery pack and the top cover of the housing;
the lug integration component comprises a support frame, a support plate, a bus bar and a circuit board; the supporting plate is arranged in the hollow part of the supporting frame, and the supporting frame is divided into a first mounting cavity and a second mounting cavity along the height direction of the supporting frame;
the bus bar and the circuit board are arranged in the first mounting cavity; the support plate is formed with mounting vias corresponding to the busbars.
In any one of the above technical solutions, further, the number of the busbars is multiple, and a partition plate is disposed between any two adjacent busbars.
In any of the above technical solutions, further, the housing includes a main housing and the top cover; wherein the side part of the main housing is formed with the side opening;
a top opening is formed at the top of the main shell, and the tab integrated assembly is clamped at the top opening of the main shell; the top cover is clamped on the top of the lug integrated assembly along the height direction of the lug integrated assembly.
In any one of the above technical solutions, further, the battery pack includes a plurality of batteries, and a foam layer is disposed between any two adjacent batteries.
In any of the above technical solutions, further, the heating member is a heating film; and/or
The heating member is provided to one side of the heat-conductive side plate assembly, which is away from the battery pack.
Compared with the prior art, the beneficial effect of this application is:
the application provides a heatable laminate polymer battery module can open the heating according to actual need, and the heat can transmit for the group battery through the heat conduction curb plate subassembly of group battery one side in addition, and then has realized the heating to the group battery, reduces the difference in temperature, prolongs the life of battery, in addition, sets up thermal-insulated plate at the opposite side of group battery, has played the effect isolated to the heat, and then can effectively prevent that the heat from scattering and disappearing, has improved heating efficiency.
In addition, because the heating component is arranged outside the shell, the electric connection part of the heating component can be effectively isolated from the high voltage inside the battery, and the heating component is safer and more reliable.
In addition, when the temperature of the battery pack is higher, heating is not needed, and heat dissipation is needed, the heat dissipation material can be attached to one side, away from the battery pack, of the heat conduction side plate assembly, heat of the battery pack can be well transferred to the outside, and the service life of the battery is prolonged.
Drawings
In order to more clearly illustrate the detailed description of the present application or the technical solutions in the prior art, the drawings used in the detailed description or the prior art description will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is an exploded view of a heatable pouch battery module according to an embodiment of the present application;
fig. 2 is an assembly diagram of a heatable pouch battery module according to an embodiment of the present application;
fig. 3 is another assembly view of a heatable pouch battery module according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of a heat-conducting side plate assembly according to an embodiment of the present disclosure;
fig. 5 is another schematic structural diagram of a heat-conducting side plate assembly according to an embodiment of the present disclosure;
fig. 6 is a schematic structural diagram of a tab integration assembly provided in an embodiment of the present application;
fig. 7 is an exploded view of a battery and foam provided in an embodiment of the present application.
Reference numerals:
1-battery pack, 11-battery, 12-foam layer, 2-shell, 21-main shell, 22-top cover, 3-heat conducting side plate component, 31-cover plate component, 311-mounting through hole, 312-groove, 32-heat conducting plate component, 4-heating component, 41-electric connection part, 5-tab integrated component, 51-supporting frame, 52-supporting plate component, 53-bus bar, 54-circuit board, 55-separating plate component, 6-heat conducting structural adhesive layer and 7-structural adhesive layer.
Detailed Description
The technical solutions of the present application will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present application, but not all embodiments.
The components of the embodiments of the present application, as generally described and illustrated in the figures herein, could be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application.
All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present application, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
Heatable pouch battery modules according to some embodiments of the present application are described below with reference to fig. 1 to 7.
Referring to fig. 1 to 3, an embodiment of the present application provides a heatable pouch battery module, including: a battery pack 1, a case 2, a heat-conductive side plate assembly 3, and a heating member 4;
wherein, the battery pack 1 is arranged in the shell 2; at least one side part of the shell 2 is provided with a side opening, the side opening is covered with a heat conduction side plate component 3, and one side of the heat conduction side plate component 3, which is far away from the battery pack 1, is provided with a heating component 4;
at least one of the remaining sides of the outer shell 2 except for the heat-conducting side plate assembly 3 is an insulation plate, that is, except for the heat-conducting side plate assembly 3, one, two, or all of the remaining sides of the outer shell 2 are insulation plates, preferably, the insulation plates are made of a material with low heat conductivity, or the insulation plates are of a sandwich structure in which an insulation material is disposed in a sandwich layer, or the insulation plates are structural plates coated with an insulation layer.
Based on the structure that above describes can know, the heatable laminate polymer battery module that this embodiment provided has set heating element 4, can open the heating according to actual need, and the heat can transmit for group battery 1 through the heat conduction curb plate subassembly 3 of group battery 1 one side in addition, and then realized the heating to group battery 1, reduce the difference in temperature, the life of extension battery, in addition, set up thermal-insulated plate at the opposite side of group battery 1, played the isolated effect to the heat, and then can effectively prevent that the heat from scattering and disappearing, heating efficiency has been improved.
Further, preferably, the side of the heat-conducting side plate assembly 3 away from the battery pack 1 is provided with the heating member 4, and it can be seen that, since the heating member 4 is disposed outside the housing 2, the electrical connection portion 41 of the heating member 4 can be effectively isolated from the high voltage inside the battery 11, which is safer and more reliable.
In addition, when the temperature of the battery pack 1 is high and heat dissipation is needed instead of heating, the heat dissipation material can be attached to the side of the heat conduction side plate assembly 3 away from the battery pack 1, so that heat of the battery pack 1 can be well transferred to the outside, and the service life of the battery 11 can be prolonged.
In this embodiment, preferably, as shown in fig. 4 and 5, the heat conductive plate member 32 assembly includes the cover plate member 31 and the heat conductive plate member 32; wherein, the heat conducting plate 32 is disposed on one side of the cover plate 31;
the cover plate member 31 is formed with mounting through holes 311 penetrating through opposite side portions thereof, the heating member 4 is embedded in the mounting through holes 311, and preferably, the heating member 4 is lower against the side portions of the heat conductive plate member 32;
a groove 312 communicating with the mounting through-hole 311 is formed on the side of the cover plate member 31 remote from the battery pack 1 for placing the electrical connection portion 41 of the heating member 4.
According to the above-described structure, the heating member 4 is embedded in the mounting hole of the cover plate 31, and the heat conducting plate 32 is disposed on the side of the cover plate close to the battery pack 1, which form a whole body to facilitate the later assembly with the housing 2.
In addition, heating member 4 directly contacts with heat conduction plate 32, and heating member 4 directly transmits the heat for heat conduction plate 32, and heat conduction plate 32 directly transmits for group battery 1, reduces the loss of heat transfer, promotes the heating efficiency to battery 11 greatly.
Further, preferably, the cover plate 31 includes a main plate and a bottom plate, wherein the main plate has a U-shaped cross section along a direction perpendicular to a height direction of the main plate, the bottom plate is disposed at a bottom of the main plate along the height direction of the main plate, and the cover plate 31 can be clamped at the side opening of the housing 2, that is, the cover plate 31 can be connected with the housing 2 by clamping to close the side opening of the housing 2.
Further, it is preferable that the heating member 4 is a square heating film which can be fitted in the square mounting through-hole 311.
Further, preferably, the cover plate 31 is made of plastic, that is, the material of the cover plate is plastic, the heat conducting plate 32 is made of aluminum, that is, the material of the heat conducting plate is aluminum, and the plastic member and the aluminum member can be integrally formed, so that the structure is reliable, and the processing is simple and convenient.
In this embodiment, preferably, as shown in fig. 1, a heat conducting structural adhesive layer 6 is disposed between the heat conducting side plate assembly 3 and the battery pack 1, specifically, the cover plate 31 and the heat conducting plate 32 of the heat conducting side plate assembly 3 are connected with the battery pack 1 by gluing, so that the assembly is more stable, and the heat conducting structural adhesive layer 6 plays a role in rapidly conducting heat, thereby improving the heating efficiency of the battery pack 1.
In this embodiment, preferably, as shown in fig. 1, a structural adhesive layer 7 is provided between the heat insulation panel of the housing 2 and the battery pack 1, that is, the heat insulation panel and the battery pack 1 are connected by the structural adhesive, the assembly is more stable, and it is noted that: the structural adhesive is common structural adhesive, and heat-conducting structural adhesive is not needed.
In this embodiment, preferably, as shown in fig. 1 to 3 and 6, the heatable pouch battery module further includes a tab integration assembly 5, and the tab integration assembly 5 is disposed between the top of the battery pack 1 and the top cap 22 of the housing 2 along the height direction of the battery pack 1;
the tab assembly 5 includes a support frame 51, a support plate 52, a bus bar 53 and a circuit board 54; the supporting plate 52 is arranged in the hollow part of the supporting frame 51, and divides the supporting frame 51 into a first mounting cavity and a second mounting cavity along the height direction of the supporting frame 51, and the first mounting cavity and the second mounting cavity can be buckled at the top of the battery pack 1, so that the tab integrated assembly 5 and the battery pack 1 can be assembled more stably;
the bus bar 53 and the circuit board 54 are disposed in the first mounting cavity; the support plate 52 is formed with mounting through-holes corresponding to the bus bars 53, through which the assembly of the poles of the batteries 11 in the battery pack 1 and the bus bars 53 is accomplished.
According to the above-described structure, before the assembly, the supporting frame 51, i.e., the tab holder, the bus bar 53 and the circuit board 54, can be pre-assembled in advance and integrally fed, thereby reducing the assembly time and the assembly difficulty.
Further, it is preferable that the support frame 51 has a square shape, and the support plate member 52 has a square shape.
In this embodiment, preferably, as shown in fig. 6, the number of the bus bars 53 is plural, and a partition plate 55 is provided between any adjacent two of the bus bars 53.
According to the above-described structure, the partition plate 55 can effectively prevent the occurrence of electrical connection between two adjacent bus bars 53, that is, can help to electrically isolate, thereby improving the safety and reliability of the battery during use.
Further, it is preferable that the plurality of bus bars 53 are arranged in an array along the length direction and the width direction of the square support plate 52.
In this embodiment, preferably, as shown in fig. 1, the housing 2 includes a main housing 21 and a top cover 22; wherein, a side opening is formed at the side of the main housing 21;
the top of the main housing 21 is formed with a top opening, the top cover 22 is disposed at the top opening of the main housing 21, and the top cover 22 is connected with the main housing 21 by clipping.
According to the structure described above, the casing 2 is designed to be a split structure, so that the battery pack 1, the heat-conducting side plate assembly 3 and the tab integrated assembly 5 can be conveniently assembled with the casing 2, and the specific assembling process is as follows:
firstly, a jig is adopted to apply pretightening force to a battery pack 1, foam in the battery pack 1 is compressed, the battery pack 1 is pressed to a designed size, then the battery pack is loaded into a shell 2 without an end cover, structural adhesive is injected between one side part of the battery pack 1 and the shell 2 from the top of the shell 2, the jig is drawn out, a heat-conducting side plate assembly 3 is buckled, heat-conducting structural adhesive is injected between the other side part of the battery pack 1 and the heat-conducting side plate assembly 3 from the top of the shell 2, then a support frame 51, a support plate 52, a busbar 53 and a circuit board 54 are integrated, a lug integration assembly 5 is clamped at the top of the shell 2, and finally the end cover and the lug integration assembly 5 are clamped together to form the heatable soft package battery module provided by the application.
The assembling process is simple and convenient, time and labor are saved, and the whole structure is firm and stable through gluing and buckling connection.
In this embodiment, preferably, as shown in fig. 7, the battery pack 1 includes a plurality of cells 11, and a foam layer 12 is provided between any adjacent two cells 11.
According to the structure described above, the foam layer 12 can absorb the expansion in the life cycle of the battery cell, and ensure the electrical performance and safety.
Further, preferably, since the battery 11 has a square shape, the foam layer 12 also has a square shape.
To sum up, the heatable laminate polymer battery module that this application provided has following structure and advantage:
the application provides a laminate polymer battery module of heatable's compact structure, it is small, reliable and stable, the equipment is simple and easy, and is with low costs. The optimized low-temperature heating design widens the use scene of the battery, and improves the electrical property, the service life and the safety of the battery.
In the design scheme, the outer side of the plastic cover plate integrated heat-conducting aluminum plate, namely the heat-conducting plate 32 assembly, can be attached with a heating film, namely the heating component 4, so that the low-temperature heating function is realized. Similarly, when the temperature of the battery pack 1 is high and heat dissipation is needed, the outer side of the plastic cover plate integrated heat conducting aluminum plate can be attached to a heat dissipation material, and the heat of the battery pack 1 can be well transferred to the outside.
On the design, the heat of heating the membrane also is that heat conduction plate 32, heat conduction structure glue layer 6 transmits to group battery 1 through heat conduction aluminum plate on, heat conduction aluminum plate and heat conduction structure glue layer 6 can be well with the heat average transmission to group battery 1 of heating the membrane on, simultaneously, heat conduction structure glue layer 6 has also guaranteed that the structure of group battery 1 is reliable.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.

Claims (10)

1. The utility model provides a laminate polymer battery module of heatable which characterized in that includes: a battery pack, a housing, a thermally conductive side plate assembly, and a heating member;
wherein the battery pack is disposed within the housing; at least one side part of the shell is provided with a side opening, and the side opening is covered with the heat-conducting side plate component; the heating component is arranged on the heat conduction side plate component;
at least one of the remaining sides of the enclosure, except where the thermally conductive side plate assembly is disposed, is an insulating panel.
2. The heatable pouch battery module of claim 1, wherein the thermally conductive side plate assembly comprises a lidding plate and a thermally conductive plate; wherein, the heat conduction plate is arranged on one side of the cover plate close to the battery pack.
3. The heatable pouch battery module according to claim 2, wherein the cover plate is formed with mounting through-holes penetrating through opposite side portions thereof, the heating member being embedded in the mounting through-holes;
and a groove communicated with the mounting through hole is formed on one side of the cover plate, which is far away from the battery pack, and is used for placing an electric connection part of the heating component.
4. The heatable pouch battery module of claim 2, wherein the lidding plate is formed of plastic and the thermally conductive plate is formed of aluminum.
5. The heatable laminate battery module as set forth in claim 1, wherein the heat conducting side plate assembly is connected with the housing by means of clamping; and/or
A heat-conducting structural adhesive layer is arranged between the heat-conducting side plate assembly and the battery pack; and/or
And a structural adhesive layer is arranged between the heat insulation plate of the shell and the battery pack.
6. The heatable pouch battery module of claim 1, further comprising a tab integration assembly disposed between the top of the battery pack and the top cover of the housing along the height direction of the battery pack;
the lug integration component comprises a support frame, a support plate, a bus bar and a circuit board; the supporting plate is arranged in the hollow part of the supporting frame, and the supporting frame is divided into a first mounting cavity and a second mounting cavity along the height direction of the supporting frame;
the bus bar and the circuit board are arranged in the first mounting cavity; the support plate is formed with mounting through-holes corresponding to the bus bars.
7. The heatable pouch battery module of claim 6, wherein the number of busbars is plural and a separating plate is disposed between any two adjacent busbars.
8. The heatable pouch battery module of claim 6, wherein the housing comprises a main housing and the top cover; wherein the side of the main housing is formed with the side opening;
a top opening is formed at the top of the main shell, and the tab integrated assembly is clamped at the top opening of the main shell; the top cover is clamped on the top of the lug integrated assembly along the height direction of the lug integrated assembly.
9. The heatable laminate polymer battery module of claim 1, wherein the battery pack comprises a plurality of batteries, and a foam layer is disposed between any two adjacent batteries.
10. The heatable pouch battery module according to any one of claims 1 to 9, wherein the heating member is a heating film; and/or
The heating member is provided on a side of the heat-conductive side plate assembly remote from the battery pack.
CN202223149640.8U 2022-11-25 2022-11-25 Heatable laminate polymer battery module Active CN218548576U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223149640.8U CN218548576U (en) 2022-11-25 2022-11-25 Heatable laminate polymer battery module

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223149640.8U CN218548576U (en) 2022-11-25 2022-11-25 Heatable laminate polymer battery module

Publications (1)

Publication Number Publication Date
CN218548576U true CN218548576U (en) 2023-02-28

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ID=85264009

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202223149640.8U Active CN218548576U (en) 2022-11-25 2022-11-25 Heatable laminate polymer battery module

Country Status (1)

Country Link
CN (1) CN218548576U (en)

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