CN209434258U - Battery structure - Google Patents
Battery structure Download PDFInfo
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- CN209434258U CN209434258U CN201920318130.8U CN201920318130U CN209434258U CN 209434258 U CN209434258 U CN 209434258U CN 201920318130 U CN201920318130 U CN 201920318130U CN 209434258 U CN209434258 U CN 209434258U
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- Prior art keywords
- battery
- pinboard
- phase change
- change layer
- shell
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
A kind of battery structure, including shell, radiator structure and battery core, the radiator structure and the battery core are contained in the shell, the battery core is equipped with tab, the radiator structure includes phase change layer and insulating heat-conductive glue-line, the first surface of the phase change layer is bonded with the shell, and the insulating heat-conductive glue-line is formed in the second surface of the phase change layer and is bonded with the tab, and the second surface is disposed opposite to each other with the first surface.The battery structure is conducive to even heat and distributes.
Description
Technical field
This application involves a kind of battery structures.
Background technique
Battery since operating voltage is high, energy density is high, self discharge is few, the service life is long, be long-life high reliability instrument and
The ideal energy and automotive electronics first choice of instrument support power supply.Electric tool uses groups of lithium ion battery very at present
Generally, and if in groups after battery pack using suitable heat dissipation strategy, can greatly influence the service life of battery.Especially
It is easy to influence performance, the service life of battery when it is battery hot-spot, or even is easy to bring security risk.
Utility model content
In view of the foregoing, it is necessary to which a kind of battery structure for being conducive to even heat and distributing is provided.
A kind of battery structure, including shell, radiator structure and battery core, the radiator structure and the battery core are contained in described
In shell, the battery core is equipped with tab, and the radiator structure includes phase change layer and insulating heat-conductive glue-line, and the of the phase change layer
One surface is bonded with the shell, and the insulating heat-conductive glue-line be formed in the phase change layer second surface and with the tab
Fitting, the second surface are disposed opposite to each other with the first surface.
Further, the thickness of the insulating heat-conductive glue-line is less than or equal to 10 millimeters, and the thickness of the phase change layer is less than
Or it is equal to 10 millimeters, the thickness of the shell is less than or equal to 20 millimeters, and the shell is made from a material that be thermally conductive.
Further, the phase change layer includes porous thermal conductive structure sheaf and the phase that is contained in the porous thermal conductive structure sheaf
Become material, the porous thermal conductive structure sheaf is formed with micropore, and the phase-change material is embedded in the micropore.
Further, the porous thermal conductive structure sheaf is in graphite linings, expanded graphite layer and porous heat conductive rubber layer
One kind, the phase-change material include paraffin, calcium chloride hydrate, expanded graphite, sulfuric acid sodium hydrate, acetic acid sodium hydrate and hard
At least one of resin acid.
Further, the battery core is multiple, and the battery structure further includes pinboard, and the pinboard is contained in described
In shell, the insulating heat-conductive glue-line bonds the first faying face and the phase change layer of the pinboard, and the tab passes through institute
It states pinboard and is fixed on the first faying face of the pinboard.
Further, at least one of the first surface and second surface of the phase change layer are provided with concaveconvex structure, when
When the second surface of the phase change layer is provided with the concaveconvex structure, the insulating heat-conductive glue-line is provided with and the concaveconvex structure
The surface texture of cooperation；When the first surface of the phase change layer is provided with the concaveconvex structure, the shell is provided with and institute
State the surface texture of concaveconvex structure cooperation.
Further, the first faying face of the pinboard is equipped with concaveconvex structure, described in insulating heat-conductive glue-line covering
First faying face of pinboard is simultaneously bonded with the concaveconvex structure on the pinboard.
Further, the insulating heat-conductive glue-line be also formed into the pinboard away from the second of first faying face
Faying face, and be located in the gap of the battery core and the pinboard.
Further, the second faying face of the pinboard is equipped with concaveconvex structure, and is bonded with the insulating heat-conductive glue-line.
Further, the concaveconvex structure is at least one of rectangle, triangle, trapezoidal and arc.
The battery structure of the application, the heat that battery core generates pass through tab export, wherein the insulating heat-conductive glue-line is by institute
The partial heat stated on tab conducts (i.e. perpendicular to the extending direction of the tab) in transverse direction, is then led again by insulation
Hot glue layer is conducted to the phase change layer, is conducive to distributing for heat, avoid the heat on the tab all concentrate on it is described
The regional area of phase change layer leads to the phenomenon that battery structure hot-spot, realizes the effect of samming, improves the efficiency of heat dissipation,
And then extend the service life of battery.Further, the setting of the pinboard and the insulating heat-conductive glue-line can be into one
Step improves the even temperature effect of battery means.Further, the insulating heat-conductive glue-line can also be fixed tab, increase electricity
The stability of pool structure.And the setting of the concaveconvex structure and surface texture further accelerates the heat dissipation of battery structure.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the battery structure of one embodiment of the application.
Fig. 2 is the structural schematic diagram of the battery structure of another embodiment of the application.
Fig. 3 is the structural schematic diagram of the battery structure of the another embodiment of the application.
Fig. 4 is the structural schematic diagram of the battery structure of the application a further embodiment.
Fig. 5 is the structural schematic diagram of the battery structure of another embodiment of the application.
Main element symbol description
Battery structure 100
Shell 10
Radiator structure 30
Battery core 50
Tab 51
Phase change layer 31
Insulating heat-conductive glue-line 33,33a
First surface 311
Second surface 313
First faying face 351
Second faying face 353
Concaveconvex structure 315,317,355
Surface texture 101,331,333
The application that the following detailed description will be further explained with reference to the above drawings.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.It is based on
Embodiment in the application, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall in the protection scope of this application.
Unless otherwise defined, all technical and scientific terms used herein and the technical field for belonging to the application
The normally understood meaning of technical staff is identical.The term used in the description of the present application is intended merely to description tool herein
The purpose of the embodiment of body, it is not intended that in limitation the application.
With reference to the accompanying drawing, it elaborates to some embodiments of the application.In the absence of conflict, following
Feature in embodiment and embodiment can be combined with each other.
Fig. 1 to Fig. 5 is please referred to, the application embodiment provides a kind of battery structure 100 comprising shell 10, heat dissipation knot
Structure 30 and battery core 50.The radiator structure 30 and the battery core 50 are contained in the shell 10.The battery core 50 is equipped with pole
Ear 51.The radiator structure 30 includes phase change layer 31 and insulating heat-conductive glue-line 33.The phase change layer 31 include first surface 311 and
The second surface 313 being disposed opposite to each other with the first surface 311.The first surface 311 is bonded with the shell 10.It is described exhausted
Edge heat-conducting glue layer 33 is formed in the second surface 313 and is bonded with the tab 51.
In the present embodiment, the shell 10 is made from a material that be thermally conductive.The material of the shell 10 can be but not only limit
One in polyethylene (PE), polypropylene (PP), polystyrene (PS), polyvinyl chloride (PCV), polyethylene terephthalate
Kind.
In some embodiments, the shell 10 can also be metal shell, carbon fiber skin or material shell.Institute
The material for stating metal shell can be but be not limited only to aluminium, steel or copper etc..
Preferably, the thickness of the shell 10 is less than or equal to 20 millimeters.
In the present embodiment, the phase change layer 31 including porous thermal conductive structure sheaf and is contained in the porous thermal conductive structure
Phase-change material in layer.The porous thermal conductive structure sheaf is formed with micropore, and the phase-change material is embedded in the micropore.
The porous thermal conductive structure sheaf can be but be not limited only to the porous heat conductive rubber layer of graphite linings, expanded graphite level etc.
One of.The phase-change material can be but be not limited only to paraffin, expanded graphite, calcium chloride hydrate, sulfuric acid sodium hydrate, vinegar
At least one of sour sodium hydrate and stearic acid etc..
Preferably, the thickness of the phase change layer 31 is less than or equal to 10 millimeters.The thickness of the insulating heat-conductive glue-line 33 is small
In or equal to 10 millimeters.
In another embodiment, referring to Fig. 2, the battery structure 100 may also include is contained in the shell 10
Pinboard 35.The pinboard 35 includes the first faying face 351 and the second knot being disposed opposite to each other with first faying face 351
Conjunction face 353.The insulating heat-conductive glue-line 33 bond the pinboard 35 the first faying face 351 and the phase change layer 31 second
Surface 313.
The quantity of the battery core 50 is multiple, and tab 51 is equipped in each battery core 50.Each tab 51 passes through described
Pinboard 35 and the first faying face 351 for being fixed on the pinboard 35.
In yet another embodiment, referring to Fig. 3, the first surface 311 of the phase change layer 31 can be equipped with concaveconvex structure
315, may be provided with the surface texture 101 with the concaveconvex structure 315 cooperation on the shell 10, the concaveconvex structure 315 with
The surface texture 101 is bonded, to increase the contact area of the phase change layer 31 and the shell 10, to accelerate the electricity
The heat dissipation of pool structure 100.The concaveconvex structure 315 and the surface texture 101 can be in but be not limited only to rectangle, triangle, ladder
At least one of shapes such as shape and arc.Such as Fig. 3, the concaveconvex structure 315 and the surface texture 101 are arc-shaped, so that
The shell 10 and the junction of the phase change layer 31 and the first surface 311 are wave-shaped.
In a further embodiment, referring to Fig. 4, the second surface 313 of the phase change layer 31 can also be equipped with concaveconvex structure
317, the insulating heat-conductive glue-line 33 is provided with the surface texture 331 with the concaveconvex structure 317 cooperation, the concaveconvex structure
317 are bonded with the surface texture 331, to increase the contact area of the phase change layer 31 and the insulating heat-conductive glue-line 33, from
And accelerate the heat dissipation of the battery structure 100.The concaveconvex structure 317 and the surface texture 331 can be in but be not limited only to
At least one of shapes such as rectangle, triangle, trapezoidal and arc.Such as Fig. 4, the concaveconvex structure 317 and the surface texture
331 is triangular in shape, so that the junction and the second surface 313 of the insulating heat-conductive glue-line 33 and the second surface 313
It is serrated.
In some embodiments, referring to Fig. 3, the first faying face 351 of the pinboard 35 can be equipped with concaveconvex structure
355, the insulating heat-conductive glue-line 33 is additionally provided with the surface texture 333 with the concaveconvex structure 355 cooperation, the concaveconvex structure
355 are bonded with the surface texture 333, to increase the contact area of the pinboard 35 and the insulating heat-conductive glue-line 33, from
And accelerate the heat dissipation of the battery structure 100.The concaveconvex structure 355 and the surface texture 333 can be in but be not limited only to
At least one of shapes such as rectangle, triangle, trapezoidal and arc.Such as Fig. 3, the concaveconvex structure 355 and the surface texture
333 is arc-shaped, so that the junction and first faying face of the insulating heat-conductive glue-line 33 and first faying face 351
351 is wave-shaped.
In another embodiment, referring to Fig. 5, the second faying face 353 of the pinboard 35 may also set up insulation and lead
Hot glue layer 33a, the insulating heat-conductive glue-line 33a is between the battery core 50 and the gap of the pinboard 35.
Second faying face 353 can also be equipped with concaveconvex structure (not shown), the insulating heat-conductive glue-line 33a be additionally provided with
The surface texture (not shown) of the concaveconvex structure cooperation, the concaveconvex structure is bonded with the surface texture, described in increasing
The contact area of pinboard 35 and the insulating heat-conductive glue-line 33a, to accelerate the heat dissipation of the battery structure 100.It is described
Concaveconvex structure and the surface texture at least one of can be in but be not limited only to the shapes such as rectangle, triangle, trapezoidal and arc.
The battery structure 100 of the application, the heat that battery core 50 generates are exported by tab 51, wherein the insulating heat-conductive
Glue-line 33 conducts the partial heat on the tab 51 (i.e. perpendicular to the extending direction of the tab 51) in transverse direction, and
It is conducted again by insulating heat-conductive glue-line 33 to the phase change layer 31 afterwards, is conducive to distributing for heat, avoids on the tab 51
Heat all concentrate on the phenomenon that regional area of the phase change layer 31 leads to 100 hot-spot of battery structure, realize
The effect of temperature, improves the efficiency of heat dissipation, and then extend the service life of battery.Further, the pinboard 35 and institute
The setting for stating insulating heat-conductive glue-line 33a can further improve the even temperature effect of battery means.Further, the insulating heat-conductive
Glue-line 33 and 33a can also be fixed tab, increase the stability of battery structure.And the concaveconvex structure and surface texture
Setting further accelerate the heat dissipation of battery structure 100.
In addition, for those of ordinary skill in the art, can be made according to the technical concept of the application other each
Kind changes and modifications, and all these changes and deformation all should belong to the protection scope of the claim of this application.
Claims (10)
1. a kind of battery structure, including shell, radiator structure and battery core, the radiator structure and the battery core are contained in described outer
In shell, the battery core is equipped with tab, which is characterized in that the radiator structure includes phase change layer and insulating heat-conductive glue-line, described
The first surface of phase change layer is bonded with the shell, and the insulating heat-conductive glue-line is formed in the second surface of the phase change layer simultaneously
It is bonded with the tab, the second surface is disposed opposite to each other with the first surface.
2. battery structure as described in claim 1, which is characterized in that the thickness of the insulating heat-conductive glue-line is less than or equal to 10
Millimeter, the thickness of the phase change layer are less than or equal to 10 millimeters, and the thickness of the shell is less than or equal to 20 millimeters, and described outer
Shell is made from a material that be thermally conductive.
3. battery structure as described in claim 1, which is characterized in that the phase change layer includes porous thermal conductive structure sheaf and receiving
Phase-change material in the porous thermal conductive structure sheaf is formed with micropore, the phase-change material on the porous thermal conductive structure sheaf
It is embedded in the micropore.
4. battery structure as claimed in claim 3, which is characterized in that the porous thermal conductive structure sheaf is graphite linings, expansion stone
One of layer of ink and porous heat conductive rubber layer, the phase-change material include paraffin, expanded graphite, calcium chloride hydrate, sulphur
At least one of sour sodium hydrate, acetic acid sodium hydrate and stearic acid.
5. battery structure as described in claim 1, which is characterized in that the battery core be it is multiple, the battery structure further includes
Pinboard, the pinboard are contained in the shell, and the insulating heat-conductive glue-line bonds the first faying face of the pinboard
With the phase change layer, the tab passes through the pinboard and is fixed on the first faying face of the pinboard.
6. battery structure as described in claim 1, which is characterized in that in the first surface and second surface of the phase change layer
At least one is provided with concaveconvex structure, and when the second surface of the phase change layer is provided with the concaveconvex structure, the insulation is led
Hot glue layer is provided with the surface texture with concaveconvex structure cooperation；When the first surface of the phase change layer is provided with the bumps
When structure, the shell is provided with the surface texture with concaveconvex structure cooperation.
7. battery structure as claimed in claim 5, which is characterized in that the first faying face of the pinboard is equipped with concave-convex knot
Structure, the insulating heat-conductive glue-line cover the first faying face of the pinboard and are bonded with the concaveconvex structure on the pinboard.
8. battery structure as claimed in claim 5, which is characterized in that the insulating heat-conductive glue-line is also formed into the pinboard
The second faying face away from first faying face, and be located in the gap of the battery core and the pinboard.
9. battery structure as claimed in claim 8, which is characterized in that the second faying face of the pinboard is equipped with concave-convex knot
Structure, and be bonded with the insulating heat-conductive glue-line.
10. the battery structure as described in any one of claim 6,7 and 9, which is characterized in that the concaveconvex structure is in square
At least one of shape, triangle, trapezoidal and arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920318130.8U CN209434258U (en) | 2019-03-13 | 2019-03-13 | Battery structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920318130.8U CN209434258U (en) | 2019-03-13 | 2019-03-13 | Battery structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209434258U true CN209434258U (en) | 2019-09-24 |
Family
ID=67978476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920318130.8U Active CN209434258U (en) | 2019-03-13 | 2019-03-13 | Battery structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN209434258U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110994068A (en) * | 2019-11-28 | 2020-04-10 | 重庆长安新能源汽车科技有限公司 | Integrated power battery cooling structure and power battery |
| CN112687975A (en) * | 2019-10-18 | 2021-04-20 | 北京小米移动软件有限公司 | Electronic equipment and heat dissipation method |
| CN114079096A (en) * | 2020-08-11 | 2022-02-22 | 北京小米移动软件有限公司 | Battery pack and electronic device |
| WO2022252165A1 (en) * | 2021-06-02 | 2022-12-08 | 宁德时代新能源科技股份有限公司 | Battery cell, battery, power-consuming apparatus, and apparatus and method for manufacturing battery cell |
| WO2024093822A1 (en) * | 2022-10-31 | 2024-05-10 | 厦门新能达科技有限公司 | Electrochemical device, electrical apparatus and method for manufacturing electrochemical device |
| CN118040194A (en) * | 2023-12-04 | 2024-05-14 | 三峡大学 | Vehicle battery safety structure, vehicle battery and control method |
-
2019
- 2019-03-13 CN CN201920318130.8U patent/CN209434258U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112687975A (en) * | 2019-10-18 | 2021-04-20 | 北京小米移动软件有限公司 | Electronic equipment and heat dissipation method |
| CN110994068A (en) * | 2019-11-28 | 2020-04-10 | 重庆长安新能源汽车科技有限公司 | Integrated power battery cooling structure and power battery |
| CN110994068B (en) * | 2019-11-28 | 2022-11-04 | 重庆长安新能源汽车科技有限公司 | Integrated power battery cooling structure and power battery |
| CN114079096A (en) * | 2020-08-11 | 2022-02-22 | 北京小米移动软件有限公司 | Battery pack and electronic device |
| CN114079096B (en) * | 2020-08-11 | 2024-07-23 | 北京小米移动软件有限公司 | Battery assembly and electronic device |
| WO2022252165A1 (en) * | 2021-06-02 | 2022-12-08 | 宁德时代新能源科技股份有限公司 | Battery cell, battery, power-consuming apparatus, and apparatus and method for manufacturing battery cell |
| WO2024093822A1 (en) * | 2022-10-31 | 2024-05-10 | 厦门新能达科技有限公司 | Electrochemical device, electrical apparatus and method for manufacturing electrochemical device |
| CN118040194A (en) * | 2023-12-04 | 2024-05-14 | 三峡大学 | Vehicle battery safety structure, vehicle battery and control method |
| CN118040194B (en) * | 2023-12-04 | 2024-08-06 | 三峡大学 | Vehicle battery safety structure, vehicle battery and control method |
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