CN209693356U - A kind of foam copper-graphite composite structure - Google Patents
A kind of foam copper-graphite composite structure Download PDFInfo
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- CN209693356U CN209693356U CN201821930558.XU CN201821930558U CN209693356U CN 209693356 U CN209693356 U CN 209693356U CN 201821930558 U CN201821930558 U CN 201821930558U CN 209693356 U CN209693356 U CN 209693356U
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- graphite
- foam copper
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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
Abstract
The utility model relates to a kind of foam copper-graphite composite structure, including foam copper and graphite unit, the foam copper includes several through-holes, and the graphite unit is embedded in through-hole, and the central axis of plane and the graphite unit where the through-hole is in 85-95 °.The utility model is support with foam copper reticular structure, the outstanding horizontal direction capacity of heat transmission of graphite is introduced into composite material, make composite material that there is excellent heat-conductive characteristic, the heat for accelerating material distributes speed and then improving performance, has a good application prospect.
Description
Technical field
The utility model relates to technical field of composite materials, and in particular to a kind of foam copper-graphite composite structure.
Background technique
Foam copper is a kind of novel and multifunctional material that a large amount of connections or non-intercommunicating pore hole are uniform-distribution in Copper substrate.
Foam copper has 3 D stereo via-like structure, is evenly distributed with through-hole, and porosity is higher, reaches 60%-95% or more, specific gravity
Gently, the only 10-50% of same volume metal, specific surface area is larger, up to 10-40cm2/cm3.The electric conductivity and extension of foam copper
Property it is good, preparation battery cathode (carrier) material, catalyst carrier and electromagnetic shielding material can be used for.
In order to enhance heating conduction of the foam copper in application, graphite is usually added into foam copper.Heat conductive graphite piece is made
For a kind of completely new heat conduction and heat radiation material, there is unique crystal grain orientation, along the direction XY uniform heat conduction, it is laminar structured can be very
Any surface, shielding heat source and the performance that consumer electronics product is improved while component are adapted to well.
Graphite crystal has hexaplanar reticular structure in heat conductive graphite piece, as shown in Figure 1, (X-Y axis is flat for its horizontal direction
Face) thermal coefficient about 1000w/mk, vertical direction (Z axis) thermal coefficient is about 20w/mk, and heat conductive graphite piece horizontal direction possesses
Metal is difficult to the coefficient of heat conduction reached, but its thermal coefficient is very low in vertical direction.
After foam copper and graphite are compound, graphite flake is embedded at random in the mesh-like structure of foam copper, in foam copper
Through-hole various angles are presented.Between the foam copper vias being distributed in graphite flake vertical direction or close in vertical direction at this time
Heat transfer efficiency be substantially reduced, occur the slow phenomenon of heat dissipation in application process.
Utility model content
In view of problems of the prior art, the purpose of this utility model is to provide a kind of foam copper-graphite is compound
Structure solves the problems, such as foam copper and graphite compound tense poor radiation, and composite material is made to have excellent heat-conductive characteristic.
For this purpose, the utility model uses following technical scheme:
The utility model provides a kind of foam copper-graphite composite structure, including foam copper and graphite unit, the foam
Copper-clad includes several through-holes, and the graphite unit is embedded in through-hole, and where the through-hole in plane and the graphite unit
Mandrel line is in 85-95 °.
Preferably, the central axis of plane and the graphite unit where the through-hole is in 85-95 °, such as be can be
Specific point value between 85 °, 86 °, 87 °, 88 °, 89 °, 90 °, 91 °, 92 °, 93 °, 94 ° or 95 ° and above-mentioned numerical value, is limited to
Length and for concise consideration, the utility model no longer exclusive list.
Preferably, the graphite unit is graphite flake.
Preferably, the graphite unit is at least connected with two foam copper vias.
Preferably, mutually indepedent between the graphite unit.
Preferably, the central axis of the vertical graphite unit of plane where the through-hole.
Compared with prior art, the utility model is at least had the advantages that
The utility model provides a kind of foam copper-graphite composite structure, is support with foam copper reticular structure, by graphite
The outstanding horizontal direction capacity of heat transmission is introduced into composite material, and composite material is made to have excellent heat-conductive characteristic, accelerates material
The heat of material distributes speed and then improving performance, has a good application prospect.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of graphite flake in the prior art；
Fig. 2 is foam copper-graphite composite structure structural schematic diagram that the utility model embodiment 1 provides；
Fig. 3 is foam copper-graphite composite structure partial structural diagram that the utility model embodiment 1 provides；
Wherein, 1- foam copper vias, 2- graphite unit.
The utility model is further described below.But following examples is only the simple example of the utility model
Son, does not represent or limits the rights protection scope of the utility model, and the protection scope of the utility model is with claims
It is quasi-.
Specific embodiment
The technical solution of the utility model is further illustrated below by specific embodiment.
The utility model provides a kind of foam copper-graphite composite structure, including foam copper in specific embodiment part
With graphite unit, the foam copper includes several through-holes, and the graphite unit is embedded in through-hole, and plane where the through-hole
Central axis with the graphite unit is in 85-95 °.
Preferably, the graphite unit is graphite flake, similar, and there is certain thickness graphite flake (graphite column) equally to belong to
In graphite unit described in the utility model.
Preferably, the graphite unit is at least connected with two foam copper vias, graphite unit edge provided by the utility model
In through-hole, it is therefore intended that increase the capacity of heat transmission between foam copper vias unit, and then promote the thermal conductivity of material entirety
Can, therefore the graphite unit at least needs to connect two foam copper vias.
Preferably, mutually indepedent between the graphite unit, in order to avoid there is the phenomenon that inlaying mutually between graphite flake.
Preferably, where the through-hole when plane vertically central axis of the graphite unit, heating conduction reaches at this time
To best.
The utility model realizes the preparation of above structure by way of sputtering.
For the utility model is better described, it is easy to understand the technical solution of the utility model, the typical case of the utility model
But non-limiting embodiment is as follows:
Embodiment 1
A kind of foam copper-graphite composite structure is present embodiments provided, as shown in Fig. 2, the composite construction includes foam
Copper and graphite unit 2, the foam copper include several through-holes 1, and the graphite unit 2 is mutually independent graphite flake, are embedded at
In through-hole 1, the foam copper vias is along X-Y plane horizontal distribution, the central axis (dotted portion) of the graphite unit and logical
1 place plane of hole is in 90 °.
Fig. 3 is the partial structural diagram of foam copper-graphite composite structure provided in this embodiment, as shown, described
In two through-holes 1, the plane at the central axis of the graphite unit 2 and two through-holes 1 place respectively is in graphite unit 2
90°。
Embodiment 2
A kind of foam copper-graphite composite structure is present embodiments provided, the composite construction includes foam copper and graphite list
Member, the foam copper include several through-holes, and the graphite unit is mutually independent graphite flake, are embedded in through-hole, the stone
Plane where the central axis and through-hole of black unit is in 87 °.
Embodiment 3
A kind of foam copper-graphite composite structure is present embodiments provided, the composite construction includes foam copper and graphite list
Member, the foam copper include several through-holes, and the graphite unit is mutually independent graphite flake, are embedded in through-hole, the stone
Plane where the central axis and through-hole of black unit is in 92 °.
The Applicant declares that the utility model illustrates the detailed construction feature of the utility model through the foregoing embodiment, but
The utility model is not limited to above-mentioned detailed construction feature, that is, does not mean that the utility model must rely on above-mentioned detailed construction
Feature could be implemented.It should be clear to those skilled in the art, any improvement to the utility model, practical new to this
The equivalence replacement of component selected by type and increase, the selection of concrete mode of accessory etc., all fall within the utility model
Within protection scope and the open scope.
Preferred embodiments of the present invention are described in detail above, still, the utility model is not limited to above-mentioned reality
Apply the detail in mode, in the range of the technology design of the utility model, can to the technical solution of the utility model into
The a variety of simple variants of row, these simple variants belong to the protection scope of the utility model.
It is further to note that specific technical features described in the above specific embodiments, in not lance
It in the case where shield, can be combined in any appropriate way, in order to avoid unnecessary repetition, the utility model is to each
No further explanation will be given for the possible combination of kind.
In addition, any combination can also be carried out between a variety of different embodiments of the utility model, as long as it is not disobeyed
The thought for carrying on the back the utility model, equally should be considered as content disclosed in the utility model.
Claims (5)
1. a kind of foam copper-graphite composite structure, including foam copper and graphite unit, which is characterized in that the foam copper includes
Several through-holes, the graphite unit are embedded in through-hole, and the central axis of plane and the graphite unit where the through-hole
In 85-95 °.
2. structure as described in claim 1, which is characterized in that the graphite unit is graphite flake.
3. structure as described in claim 1, which is characterized in that the graphite unit is at least connected with two foam copper vias.
4. structure as described in claim 1, which is characterized in that mutually indepedent between the graphite unit.
5. structure as described in claim 1, which is characterized in that the center of the vertical graphite unit of plane where the through-hole
Axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821930558.XU CN209693356U (en) | 2018-11-22 | 2018-11-22 | A kind of foam copper-graphite composite structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821930558.XU CN209693356U (en) | 2018-11-22 | 2018-11-22 | A kind of foam copper-graphite composite structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209693356U true CN209693356U (en) | 2019-11-26 |
Family
ID=68595138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821930558.XU Active CN209693356U (en) | 2018-11-22 | 2018-11-22 | A kind of foam copper-graphite composite structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209693356U (en) |
-
2018
- 2018-11-22 CN CN201821930558.XU patent/CN209693356U/en active Active
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