CN215453693U - Graphite composite material - Google Patents
Graphite composite material Download PDFInfo
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- CN215453693U CN215453693U CN202120815572.0U CN202120815572U CN215453693U CN 215453693 U CN215453693 U CN 215453693U CN 202120815572 U CN202120815572 U CN 202120815572U CN 215453693 U CN215453693 U CN 215453693U
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- composite material
- heat dissipation
- graphite composite
- graphite
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Abstract
The utility model discloses a graphite composite material, which is characterized in that: comprises a heat dissipation layer; a first insulating layer is arranged on the upper part of the heat dissipation layer, and a second insulating layer is arranged on the lower part of the heat dissipation layer; the heat dissipation layer is bonded with the first insulating layer through a second bonding layer; the heat dissipation layer is bonded with the second insulating layer through a third bonding layer; the graphite composite material disclosed by the utility model is puncture-resistant, voltage-resistant, insulating, flame-retardant and good in heat diffusion performance.
Description
Technical Field
The utility model relates to an improvement of a heat dissipation material, in particular to a graphite composite material with puncture resistance, voltage resistance, insulation, flame retardance and good heat diffusion performance.
Background
With the popularization and the promotion of new energy automobiles, core components in the new energy automobiles are as follows: the power battery has risks in operation and needs to be solved urgently: such as damage of the battery due to physical puncture, damage of the battery due to overvoltage, damage of the battery due to local overheating, prevention of diffusion of the battery in case of local fire, and the current coating material for the battery cannot solve the above problems.
Therefore, a graphite composite material which is puncture-resistant, voltage-resistant, insulating, flame-retardant and excellent in heat diffusion performance is developed.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide a graphite composite material with puncture resistance, voltage resistance, insulation, flame retardance and good heat diffusion performance.
In order to achieve the purpose, the utility model adopts the technical scheme that: a graphite composite material comprising a heat-dissipating layer; a first insulating layer is arranged on the upper part of the heat dissipation layer, and a second insulating layer is arranged on the lower part of the heat dissipation layer; the heat dissipation layer is bonded with the first insulating layer through a second bonding layer; and the heat dissipation layer is bonded with the second insulating layer through a third bonding layer.
Preferably, a first adhesive layer is disposed on an upper surface of the first insulating layer.
Preferably, a fourth adhesive layer is disposed on a lower surface of the second insulating layer.
Preferably, the heat dissipation layer is made of a single layer of artificial graphite or natural graphite or graphene.
Preferably, the heat dissipation layer is made of multilayer artificial graphite or natural graphite or graphene; adjacent artificial graphite or natural graphite or graphene is bonded together by an adhesive layer.
Preferably, the first insulating layer is made of PET or PI; the second insulating layer is made of PET or PI.
Preferably, the second bonding layer is made of a prepreg or a no-substrate adhesive; the third bonding layer is made of a prepreg or a substrate-free adhesive.
Preferably, the first adhesive layer is made of a first adhesive tape or a second adhesive tape, and the second adhesive tape comprises flame-retardant glue or foam glue; the fourth adhesive layer is made of a first adhesive tape or a second adhesive tape, and the second adhesive tape comprises flame-retardant glue or foam glue.
Preferably, the side part of the graphite composite material in the length direction is provided with a wrapping edge; the edge cover at least partially covers the first bonding layer; the hem covers at least partially the fourth adhesive layer.
Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
the graphite composite material disclosed by the utility model is puncture-resistant, voltage-resistant, insulating, flame-retardant and good in heat diffusion performance.
Drawings
The technical scheme of the utility model is further explained by combining the accompanying drawings as follows:
FIG. 1 is a schematic representation of a graphite composite material according to the present invention;
wherein: 1. a first adhesive layer; 2. 3, a second bonding layer; 4. 5, a third bonding layer; 6. 7, a fourth bonding layer; 8. and (6) edge covering.
Detailed Description
The utility model is described in further detail below with reference to the figures and the embodiments.
FIG. 1 is a graphite composite material according to the present invention, comprising a heat dissipation layer 4; a first insulating layer 2 is arranged on the upper part of the heat dissipation layer 4, and a second insulating layer 6 is arranged on the lower part of the heat dissipation layer 4; the heat dissipation layer 4 is bonded with the first insulating layer 2 through a second bonding layer 3; the heat dissipation layer 4 is bonded with the second insulating layer 6 through a third bonding layer 5; a first bonding layer 1 is arranged on the upper surface of the first insulating layer 2; the lower surface of the second insulating layer 6 is provided with a fourth bonding layer 7, and the side part of the graphite composite material in the length direction is provided with a wrapping edge 8, so that the graphite composite material is convenient to package and use; the edge cover 8 at least partially covers the first adhesive layer 1; the edge cover 8 at least partially covers the fourth adhesive layer 7; the heat dissipation layer 4 is made of single-layer artificial graphite or natural graphite or graphene; of course, the heat dissipation layer 4 may also be made of multiple layers of artificial graphite or natural graphite or graphene; adjacent artificial or natural graphite or graphene are bonded together by a bonding layer (not shown).
The first insulating layer 2 is made of PET or PI, and has good insulating property; the second insulating layer 6 is made of PET or PI, and has good insulating property; the second bonding layer 3 is made of adhesive products such as a prepreg or a non-base material adhesive; the third bonding layer 5 is made of a prepreg or a non-base material adhesive or other adhesive product.
The first bonding layer 1 is made of a first adhesive tape or a second adhesive tape, and the second adhesive tape comprises flame-retardant glue or foam glue; the fourth adhesive layer 7 is made of a first adhesive tape or a second adhesive tape, and the second adhesive tape contains a flame retardant adhesive or foam adhesive.
The heat dissipation layer 4 is used for dissipating heat, and as the graphite has good heat conduction performance, a heat source can be quickly conducted away and dissipated, so that the battery can be prevented from being damaged due to local overheating of the battery; the heat dissipation layer 4 can also be used for conducting electricity, and due to the good conductivity of the graphite, when the battery is in overvoltage, the heat dissipation layer can be used for dividing voltage, so that the battery can be prevented from being damaged due to overvoltage; the first bonding layer 1, the first insulating layer 2, the second bonding layer 3, the heat dissipation layer 4, the third bonding layer 5, the second insulating layer 6 and the fourth bonding layer 7 are good in flame retardant property, and can prevent diffusion of a battery in local fire; the graphite composite material has strong puncture resistance, and can prevent the battery from being damaged due to physical puncture.
When the graphite composite material is used, the graphite composite material is coated on battery packs or battery cores and the like of battery products such as batteries for new energy automobiles or batteries for electric bicycles.
Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
the graphite composite material disclosed by the utility model is puncture-resistant, voltage-resistant, insulating, flame-retardant and good in heat diffusion performance.
The above-mentioned embodiments are merely illustrative of the technical idea and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the scope of the present invention.
Claims (10)
1. A graphite composite material characterized by: comprises a heat dissipation layer; a first insulating layer is arranged on the upper part of the heat dissipation layer, and a second insulating layer is arranged on the lower part of the heat dissipation layer; the heat dissipation layer is bonded with the first insulating layer through a second bonding layer; and the heat dissipation layer is bonded with the second insulating layer through a third bonding layer.
2. The graphite composite material of claim 1, wherein: a first bonding layer is arranged on the upper surface of the first insulating layer.
3. The graphite composite material of claim 1, wherein: and a fourth bonding layer is arranged on the lower surface of the second insulating layer.
4. The graphite composite material of claim 1, wherein: the heat dissipation layer is made of single-layer artificial graphite or natural graphite or graphene.
5. The graphite composite material of claim 1, wherein: the heat dissipation layer is made of multilayer artificial graphite or natural graphite or graphene; adjacent artificial graphite or natural graphite or graphene is bonded together by an adhesive layer.
6. The graphite composite material of claim 1, wherein: the first insulating layer is made of PET or PI; the second insulating layer is made of PET or PI.
7. The graphite composite material of claim 1, wherein: the second bonding layer is made of a prepreg or a substrate-free adhesive; the third bonding layer is made of a prepreg or a substrate-free adhesive.
8. The graphite composite material of claim 2, wherein: the first adhesive layer is made of a first adhesive tape or a second adhesive tape, and the second adhesive tape comprises flame-retardant glue or foam glue.
9. The graphite composite material of claim 3, wherein: the fourth adhesive layer is made of a first adhesive tape or a second adhesive tape, and the second adhesive tape comprises flame-retardant glue or foam glue.
10. The graphite composite material of claim 8, wherein: the side part of the graphite composite material in the length direction is provided with a wrapping edge; the hem covers at least partially the first adhesive layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120815572.0U CN215453693U (en) | 2021-04-21 | 2021-04-21 | Graphite composite material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120815572.0U CN215453693U (en) | 2021-04-21 | 2021-04-21 | Graphite composite material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215453693U true CN215453693U (en) | 2022-01-07 |
Family
ID=79705265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120815572.0U Active CN215453693U (en) | 2021-04-21 | 2021-04-21 | Graphite composite material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215453693U (en) |
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2021
- 2021-04-21 CN CN202120815572.0U patent/CN215453693U/en active Active
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