CN220745779U - Composite heat conduction and heat insulation sheet with foam adhered with graphite film - Google Patents
Composite heat conduction and heat insulation sheet with foam adhered with graphite film Download PDFInfo
- Publication number
- CN220745779U CN220745779U CN202322445317.3U CN202322445317U CN220745779U CN 220745779 U CN220745779 U CN 220745779U CN 202322445317 U CN202322445317 U CN 202322445317U CN 220745779 U CN220745779 U CN 220745779U
- Authority
- CN
- China
- Prior art keywords
- graphite film
- adhesive tape
- foam
- sided adhesive
- foaming
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 62
- 229910002804 graphite Inorganic materials 0.000 title claims abstract description 60
- 239000010439 graphite Substances 0.000 title claims abstract description 60
- 239000002131 composite material Substances 0.000 title claims abstract description 21
- 239000006260 foam Substances 0.000 title claims abstract description 19
- 238000009413 insulation Methods 0.000 title claims abstract description 13
- 238000005187 foaming Methods 0.000 claims abstract description 34
- 229920000642 polymer Polymers 0.000 claims abstract description 28
- 239000002390 adhesive tape Substances 0.000 claims description 37
- -1 polyethylene Polymers 0.000 claims description 7
- 239000004743 Polypropylene Substances 0.000 claims description 5
- 229920001155 polypropylene Polymers 0.000 claims description 5
- 229910021383 artificial graphite Inorganic materials 0.000 claims description 3
- 229910021389 graphene Inorganic materials 0.000 claims description 3
- 229910021382 natural graphite Inorganic materials 0.000 claims description 3
- 229920000181 Ethylene propylene rubber Polymers 0.000 claims description 2
- 229920000459 Nitrile rubber Polymers 0.000 claims description 2
- 239000004698 Polyethylene Substances 0.000 claims description 2
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- 229920000573 polyethylene Polymers 0.000 claims description 2
- 229920006327 polystyrene foam Polymers 0.000 claims description 2
- 239000011496 polyurethane foam Substances 0.000 claims description 2
- 239000000741 silica gel Substances 0.000 claims description 2
- 229910002027 silica gel Inorganic materials 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- 238000012546 transfer Methods 0.000 abstract description 3
- 239000000853 adhesive Substances 0.000 abstract 5
- 230000001070 adhesive effect Effects 0.000 abstract 5
- 238000001816 cooling Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 239000004964 aerogel Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Landscapes
- Secondary Cells (AREA)
Abstract
The utility model discloses a composite heat-conducting and heat-insulating sheet with foam adhered with a graphite film, which comprises a foaming polymer, double-sided adhesive, the graphite film and single-sided adhesive, wherein the graphite film is covered with the single-sided adhesive and the double-sided adhesive, and the double-sided adhesive is adhered to two sides of the foaming polymer. The composite material has the advantages of stable structure, convenient preparation, good heat insulation effect in the direction vertical to the graphite film, excellent heat transfer effect in the direction parallel to the graphite film, heat conduction and heat insulation requirements, and good application prospect in the new energy battery module.
Description
Technical Field
The utility model relates to a composite heat conduction and heat insulation sheet with foam adhered with a graphite film, and belongs to the field of heat conduction interface materials.
Background
Along with the rapid development of new energy technology, the application amount of the battery module is continuously increased, but the potential safety hazard of the battery cell is still not solved. In the battery module, heat generated by a single battery core needs to be quickly transferred to a radiator to prevent the battery core from overheating, and the conventional scheme is a water cooling plate, so that the structure of the water cooling plate is complex due to the complex arrangement structure of the battery core, and the production cost is high; in addition, heat transfer is required to be isolated between the battery cells, so that heat is prevented from being rapidly diffused to other battery cells after one battery cell is damaged and out of control, the current practical heat insulation material is high-performance aerogel, but the domestic starting is late, and the production process is still in optimization. How to use materials with lower cost and convenient production to improve and optimize the heat regulation of the new energy battery module is still a problem to be solved.
Disclosure of Invention
Aiming at the problems in the application requirements of the new energy battery module, the utility model provides the composite heat-conducting heat-insulating sheet with the foam bonded with the graphite film, which can rapidly transfer the heat generated by the electric cores to the water-cooling plate while meeting the heat insulation requirements among the electric cores.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
a composite heat conduction and heat insulation sheet with foam bonded with a graphite film is characterized in that: the double sided adhesive tape comprises a foaming polymer, double sided adhesive tape, a graphite film and single sided adhesive tape, wherein the graphite film is coated with the double sided adhesive tape and the single sided adhesive tape, and the graphite film is adhered to two sides of the foaming polymer through the double sided adhesive tape.
Further, the foaming polymer is any one of polyethylene foam, polypropylene foam, polystyrene foam, polyurethane foam, foaming ethylene propylene rubber, foaming nitrile rubber and foaming silica gel, and the thickness of the foaming polymer is 1-5 mm.
Further, the double-sided adhesive tape is PET double-sided adhesive tape, and the single-sided adhesive tape is PET single-sided adhesive tape.
Further, the graphite film is any one of a natural graphite film, an artificial graphite film and a graphene film, and the thermal conductivity of the graphite film is 300-1600W m -1 K -1 The thickness is 0.02-0.2. 0.2 mm.
Further, the length of the graphite film is longer than that of the foaming polymer.
Compared with the prior art, the utility model has the beneficial effects that: the production and processing technology is simple and convenient, and the size can be conveniently adjusted according to the requirements of customers; the graphite film has very high heat conductivity in the direction parallel to the graphite film, so that the heat generated by the battery core can be quickly transferred to the water cooling plate; the graphite film has good heat insulation performance in the direction perpendicular to the graphite film, and can prevent heat from being transferred to nearby battery cells when the battery cells are out of control; in addition, the graphite film also has a certain flame retardant effect, and can improve the stability of the battery module.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Reference numerals: 1-foaming polymer, 2-double faced adhesive tape, 3-graphite film and 4-single faced adhesive tape.
Detailed Description
In order that the manner in which the utility model can be understood in detail, a more particular description of the utility model, briefly summarized above, may be had by reference to the embodiments thereof which are illustrated in the appended drawings.
Examples
As shown in fig. 1, the composite heat-conducting and heat-insulating sheet with foam bonded with graphite film according to the embodiment of the utility model comprises a foaming polymer 1, double faced adhesive tape 2, graphite film 3 and single faced adhesive tape 4, wherein the graphite film 3 is a natural graphite film, and the heat conductivity is 500W m -1 K -1 The thickness is 0.1 mm, the graphite film 3, the double faced adhesive tape 2 and the single faced adhesive tape 4 are wrapped by rolling, the foaming polymer 1 is polypropylene foam, the thickness is 2 mm, the graphite film 3 is adhered to the two sides of the foaming polymer 1 through the double faced adhesive tape 2, the graphite film 3 is 3 cm longer than the foaming polymer 1, and the thermal conductivity of the composite thermal conductive and insulating sheet in the direction perpendicular to the graphite film 3 is 0.07W m -1 K -1 。
And (3) installing the obtained composite heat conduction and insulation sheet with the foam adhered with the graphite film between the electric cores, and adhering the part of the graphite film 3 which grows out from the foaming polymer 1 on a water cooling plate to perform testing. Under normal working conditions, the highest temperature of the battery cells reaches 53.7 ℃, and the maximum temperature difference between the battery cells is kept within 5 ℃.
Examples
As shown in fig. 1, the foam-bonded graphite film according to the embodiment of the utility model has composite heat conductionThe heat insulation sheet comprises a foaming polymer 1, double faced adhesive tape 2, a graphite film 3 and single faced adhesive tape 4, wherein the graphite film 3 is an artificial graphite film, and the heat conductivity is 1600W m -1 K -1 The thickness is 0.04 mm, the graphite film 3, the double faced adhesive tape 2 and the single faced adhesive tape 4 are wrapped by rolling, the foaming polymer 1 is polypropylene foam, the thickness is 2 mm, the graphite film 3 is adhered to the two sides of the foaming polymer 1 through the double faced adhesive tape 2, the graphite film 3 is 3 cm longer than the foaming polymer 1, and the thermal conductivity of the composite thermal conductive and insulating sheet in the direction perpendicular to the graphite film 3 is 0.07W m -1 K -1 。
And (3) installing the obtained composite heat conduction and insulation sheet with the foam adhered with the graphite film between the electric cores, and adhering the part of the graphite film 3 which grows out from the foaming polymer 1 on a water cooling plate to perform testing. Under normal working conditions, the highest temperature of the battery cells reaches 47.4 ℃, and the maximum temperature difference between the battery cells is kept within 3 ℃.
Examples
As shown in fig. 1, a composite heat-conducting and heat-insulating sheet with foam bonded with a graphite film according to an embodiment of the utility model comprises a foaming polymer 1, double faced adhesive tape 2, a graphite film 3 and single faced adhesive tape 4, wherein the graphite film 3 is a graphene film, and the heat conductivity is 1300W m -1 K -1 The thickness is 0.1 mm, the graphite film 3, the double faced adhesive tape 2 and the single faced adhesive tape 4 are wrapped by rolling, the foaming polymer 1 is polypropylene foam, the thickness is 2 mm, the graphite film 3 is adhered to the two sides of the foaming polymer 1 through the double faced adhesive tape 2, the graphite film 3 is 3 cm longer than the foaming polymer 1, and the thermal conductivity of the composite thermal conductive and insulating sheet in the direction perpendicular to the graphite film 3 is 0.07W m -1 K -1 。
And (3) installing the obtained composite heat conduction and insulation sheet with the foam adhered with the graphite film between the electric cores, and adhering the part of the graphite film 3 which grows out from the foaming polymer 1 on a water cooling plate to perform testing. Under normal working conditions, the highest temperature of the battery cells reaches 45.6 ℃, and the maximum temperature difference between the battery cells is kept within 3 ℃. .
Claims (5)
1. A composite heat conduction and heat insulation sheet with foam bonded with a graphite film is characterized in that: the double faced adhesive tape comprises a foaming polymer (1), double faced adhesive tape (2), a graphite film (3) and single faced adhesive tape (4), wherein the graphite film (3) is covered with the double faced adhesive tape (2) and the single faced adhesive tape (4), and the graphite film (3) is adhered to two sides of the foaming polymer (1) through the double faced adhesive tape (2).
2. The composite thermally conductive and thermally insulating sheet of foam-bonded graphite film as claimed in claim 1, wherein: the foaming polymer (1) is any one of polyethylene foam, polypropylene foam, polystyrene foam, polyurethane foam, foaming ethylene propylene rubber, foaming nitrile rubber and foaming silica gel, and the thickness of the foaming polymer (1) is 1-5 mm.
3. The composite thermally conductive and thermally insulating sheet of foam-bonded graphite film as claimed in claim 1, wherein: the double-sided adhesive tape (2) is PET double-sided adhesive tape, and the single-sided adhesive tape (4) is PET single-sided adhesive tape.
4. The composite thermally conductive and thermally insulating sheet of foam-bonded graphite film as claimed in claim 1, wherein: the graphite film (3) is any one of a natural graphite film, an artificial graphite film and a graphene film, and the thermal conductivity of the graphite film is 300-1600W m -1 K -1 The thickness is 0.02-0.2. 0.2 mm.
5. The composite thermally conductive and thermally insulating sheet of foam-bonded graphite film as claimed in claim 1, wherein: the length of the graphite film (3) is longer than that of the foaming polymer (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322445317.3U CN220745779U (en) | 2023-09-09 | 2023-09-09 | Composite heat conduction and heat insulation sheet with foam adhered with graphite film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322445317.3U CN220745779U (en) | 2023-09-09 | 2023-09-09 | Composite heat conduction and heat insulation sheet with foam adhered with graphite film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220745779U true CN220745779U (en) | 2024-04-09 |
Family
ID=90568407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322445317.3U Active CN220745779U (en) | 2023-09-09 | 2023-09-09 | Composite heat conduction and heat insulation sheet with foam adhered with graphite film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220745779U (en) |
-
2023
- 2023-09-09 CN CN202322445317.3U patent/CN220745779U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103199316B (en) | Battery pack and radiator structure thereof | |
| CN106602171B (en) | A kind of hierarchical battery thermal management system of phase-change material/Air Coupling | |
| CN107293824B (en) | Power battery liquid cooling device | |
| CN202127079U (en) | Water-cooling system of power battery pack of electric automobile based on thermoelectric cooling | |
| CN110299580B (en) | Battery self-heating heat preservation device | |
| CN208781986U (en) | A kind of battery case based on heat pipe application | |
| CN210984899U (en) | Heating sheet for automobile battery | |
| CN209150269U (en) | A kind of annealing device of battery modules and its battery modules of application | |
| CN108110376A (en) | A kind of fire-retardant cooling type lithium ionic cell module | |
| CN112072217A (en) | Lithium battery low-temperature protection system based on phase change material and electric heating device and control method | |
| CN205723860U (en) | A kind of battery modules with heat management device | |
| CN220745779U (en) | Composite heat conduction and heat insulation sheet with foam adhered with graphite film | |
| CN110544753A (en) | Novel take liquid cooling module of compound piece of pipeline formula copper nickel | |
| CN201504112U (en) | Portable powerless charging unit for digital equipment | |
| CN208352486U (en) | A kind of bending phase transformation heat pipe and the rectangular cell using it | |
| CN206789655U (en) | A kind of power battery module | |
| CN213278293U (en) | Battery pack with heating and battery core temperature equalization functions | |
| CN206061178U (en) | A kind of Battery formation fixture fever tablet | |
| CN204013395U (en) | Photovoltaic power generation apparatus and heat pump | |
| CN210241847U (en) | Photovoltaic photo-thermal heat pump air conditioner | |
| CN206471449U (en) | A kind of novel power battery heat management system | |
| CN207818381U (en) | The high efficiency and heat radiation of center heat transfer and the energy type super capacitor of heating | |
| CN204257782U (en) | A kind of high energy density liquid heat radiation and heated power battery system | |
| CN208675188U (en) | A kind of photovoltaic and photothermal integral device | |
| CN203050163U (en) | Solar hydraulic pressure station temperature control chamber |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |