[go: up one dir, main page]

CN106785232A - A kind of New-energy electric vehicle special graphite heating plate and preparation method thereof - Google Patents

A kind of New-energy electric vehicle special graphite heating plate and preparation method thereof Download PDF

Info

Publication number
CN106785232A
CN106785232A CN201611219339.6A CN201611219339A CN106785232A CN 106785232 A CN106785232 A CN 106785232A CN 201611219339 A CN201611219339 A CN 201611219339A CN 106785232 A CN106785232 A CN 106785232A
Authority
CN
China
Prior art keywords
graphite
graphite film
copper foil
basic processing
heating plate
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.)
Granted
Application number
CN201611219339.6A
Other languages
Chinese (zh)
Other versions
CN106785232B (en
Inventor
刘晏君
杨晓战
郝建伟
杜富贵
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing Yuntianhua Hanen New Material Development Co Ltd
Yunnan Yuntianhua Co Ltd
Original Assignee
Chongqing Yuntianhua Hanen New Material Development Co Ltd
Yunnan Yuntianhua Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Chongqing Yuntianhua Hanen New Material Development Co Ltd, Yunnan Yuntianhua Co Ltd filed Critical Chongqing Yuntianhua Hanen New Material Development Co Ltd
Priority to CN201611219339.6A priority Critical patent/CN106785232B/en
Publication of CN106785232A publication Critical patent/CN106785232A/en
Application granted granted Critical
Publication of CN106785232B publication Critical patent/CN106785232B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/61Types of temperature control
    • H01M10/615Heating or keeping warm
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/62Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/625Vehicles
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/65Means for temperature control structurally associated with the cells
    • H01M10/653Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/65Means for temperature control structurally associated with the cells
    • H01M10/657Means for temperature control structurally associated with the cells by electric or electromagnetic means
    • H01M10/6571Resistive heaters
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Resistance Heating (AREA)
  • Surface Heating Bodies (AREA)

Abstract

A kind of New-energy electric vehicle special graphite heating plate and preparation method thereof, including basic processing graphite film, basic processing graphite film is the flexible graphite platelet for being processed into continuous U, two ends of flexible graphite platelet are connected to Copper Foil, Copper Foil connects power supply as electrode, and Copper Foil carries out Hard link with two ends of flexible graphite platelet by connector;The upper and lower surface of basic processing graphite film has been covered each by insulation material layer, also including the extra play outside at least side insulation material layer that is laid in, from-inner-to-outer includes insulation double faced adhesive tape successively, additional full wafer graphite film and supplemental dielectric layer, additional full wafer graphite film is the flexible graphite platelet of whole, the heating plate is frivolous using high heat conduction graphite flake, the characteristics of soft and high-termal conductivity, can be tightly be covered on electrokinetic cell surface, battery is heated using graphite flake excellent heat-transfer character, low cost, processing procedure non-environmental-pollution, programming rate is fast, temperature homogeneity is good, beneficial to the electrical heating application of electrokinetic cell.

Description

A kind of New-energy electric vehicle special graphite heating plate and preparation method thereof
Technical field
Electrokinetic cell technical field of heating of the present invention, and in particular to a kind of New-energy electric vehicle special graphite heating plate and Its preparation method.
Background technology
With the development of science and technology, new energy gradually adopts dynamic lithium battery as power resources, and dynamic lithium battery Operating temperature is general at 5~45 DEG C, and when battery is in low temperature environment, charge-discharge performance is substantially decayed, or even cannot be normal Work.Therefore in severe cold season, generally require dynamic lithium battery first is heated into uniform temperature just can normally to use, it is dynamic at present The mode of heating that power lithium battery is generally used is to be directly mounted at battery surface using electric heating sheets to be heated.
Traditional electric heating sheets, as core board, go out circuit, and encapsulate exhausted typically using alloy material in its surface etch Edge material is obtained.On the one hand, etching circuit complex operation is cumbersome, and industrial water amount is big, and contaminated wastewater species are more, composition Complexity, environmental hazard is big;On the other hand, because the performance of alloy material is limited, this mode of heating efficiency of heating surface is low, it is impossible to protect The uniformity of temperature between each battery is demonstrate,proved, and heating effect is exactly heating face temperature point with an important indicator of security performance The uniformity coefficient of cloth.
High heat conduction graphite sheet material is to be piled up to form by certain interlamellar spacing in Z-direction by the two-dimentional carbon atomic layer of rule, Either electrographite piece or natural graphite flakes, the two is respectively provided with, and flatness is high, frivolous, easy processing(Can be direct when making Figure is drawn), it is ageing-resistant the characteristics of, be applied to conduction heat transfer field, thermal diffusion coefficient higher causes graphite flaky material Heat can quickly be transmitted out along in-plane, the rapid effect for realizing heating, equal thermal effect is good.Outstanding flexible nature and Mechanical property can adapt to any surface configuration, closely be covered on heating receptor surface, realize high duty heat transfer.
The content of the invention
The invention provides a kind of New-energy electric vehicle special graphite heating plate and preparation method thereof, can be used for new energy In electric automobile, the heating plate using high heat conduction flexible graphite platelet is frivolous, soft and the characteristics of high-termal conductivity, patch that can be tightly Electrokinetic cell surface is overlying on, battery is heated using graphite flake excellent heat-transfer character.With existing nickel alloy heating plate phase Than with low manufacture cost, processing procedure non-environmental-pollution, programming rate is fast, the good advantage of temperature homogeneity;With block graphite material Compare, with frivolous, soft advantage, contact that can be good with electrokinetic cell, beneficial to the electrical heating application of electrokinetic cell.
To realize above-mentioned technical purpose, the present invention is specifically adopted the following technical scheme that:
A kind of New-energy electric vehicle special graphite heating plate, including basic processing graphite film, it is characterised in that:The basis adds Work graphite film is the flexible graphite platelet for being processed into continuous U, and two ends of the flexible graphite platelet are connected to Copper Foil, institute State Copper Foil and connect power supply as electrode, altogether two panels, the upper following table of the basic processing graphite film end flexible graphite platelet that is laid in respectively Face;The Copper Foil carries out Hard link with two ends of flexible graphite platelet by connector;The basic processing graphite film it is upper Lower surface has been covered each by insulation material layer.
As the preferred technical solution of the present invention, also including the extra play outside at least side insulation material layer that is laid in, The extra play from-inner-to-outer includes insulation double faced adhesive tape, additional full wafer graphite film and supplemental dielectric layer, the additional full wafer successively Graphite film is the flexible graphite platelet of whole.
Wherein, the connector can be made up of screw bolt and nut, the upper and lower two-layer Copper Foil of bolt-through and centre Basic processing graphite film, two ends are set up nut separately and are achieved a fixed connection, and correspondence position is opened on the Copper Foil and basic processing graphite film Bolt box.
The connector can also only with sheet metal is connected, and the connection sheet metal is ribbon, penetrates two back and forth up and down Layer Copper Foil and the basic processing graphite film of centre, two ends are welded and fixed with Copper Foil, the Copper Foil and basis processing graphite film Upper correspondence position sets the preformed hole for connecting the sheet metal company of wearing up and down.
It is further preferred that the thickness range of the basic processing graphite film is 0.025mm~0.3mm, preferably 0.05mm ~0.25mm;A width of 5~the 20mm of processing line, rest line width is not more than 5mm.
It is further preferred that the material category of the basic processing graphite film upper and lower surface insulation material layer is identical or not Together, it is one or two in polyimides one side glue, FR-4 plates or silica gel;The supplemental dielectric layer is polyimides one side One kind in glue, FR-4 plates or silica gel;The insulation double faced adhesive tape is the double faced adhesive tape of resistance to 80 DEG C of temperatures above.
It is further preferred that the thickness range of the insulation material layer is 0.05mm~0.125mm;The supplemental dielectric layer Thickness range be 0.05mm~0.125mm;The thickness of the insulation double faced adhesive tape is no more than 0.050mm.
It is further preferred that the thickness range of the Copper Foil is 20~50 μm, width is more than the basic processing graphite film Processing line width, less than processing line width and the twice rest line width sum of the basic processing graphite film.
It is furthermore preferred that in plane residing for the basic processing graphite film, in rest filling and basic processing graphite film The adaptable insulating materials of thickness, forms dispersion or continuous pointing insulation layer.
The present invention also provides the preparation method of above-mentioned New-energy electric vehicle special graphite heating plate, it is characterised in that:
Step one, processing and fabricating basis processing graphite film;
Step 2, Copper Foil is respectively provided with two ends of the flexible graphite platelet of basic processing graphite film, does not contact soft graphite The other parts of piece;
Step 3, Copper Foil flexible graphite platelet is fixed with connector;
Step 4, a side surface one layer of insulation material layer of setting in basic processing graphite film;
Step 5, it is adapted in rest filling and the basic processing graphite film thickness of basic processing graphite film as needed Insulating materials, forms dispersion or continuous pointing insulation layer;
Another layer of insulation material layer is laid in step 6, the side for setting Copper Foil in basic processing graphite film;
Step 7, extra play is laid outside at least side insulation material layer, from-inner-to-outer lays insulation double faced adhesive tape, additional successively Full wafer graphite film and supplemental dielectric layer;
Step 8, overall quality inspection is carried out, so far, energy electric vehicle special graphite heating plate is prepared and completed.
Compared with prior art, key point of the invention and innovative point are:
1st, conductive heat transfer is fast:Graphite flake is in itself a kind of conventional soaking heat sink material in 3C fields, and the present invention can be excellent using it Conduction and heat transfer property, basic processing graphite film is processed by figure by the method for simple cutting, be internally formed bending and connect Continuous heat transfer circuit, is directly used after being encapsulated using insulating materials, and programming rate is fast;
2nd, heating uniformity is good:Soaking heat dispersion is protruded graphite sheet material in itself, and the heating plate made using it, temperature is uniform Property it is good, while further using unprocessed additional full wafer graphite film as equal hot material be covered in it is manufactured basis processing The rear of graphite film, further increases its temperature homogeneity;
3rd, heating circuit process operation is simple:The heating circuit of heating plate of the present invention can be formed by directly cutting, convenient and swift, It is environmentally safe, overcome the heating wire of existing heating plate using alloy or metal material, need to etch can just obtain circuit, not only Complex operation is cumbersome, and industrial water amount is big, and contaminated wastewater species are more, complicated component, the big problem of environmental hazard;
4th, the application of pointing insulation layer:Pointing insulation layer is filled in the rest of basic processing graphite film, with basis processing stone Ink film thicknesses are adapted, and make overall structure thickness uniform, it is ensured that while integrated connection intensity, it is to avoid levels insulating materials Cracking, strengthens the sealing of basic processing graphite film, prevents the oxidation of basic processing graphite film, extends service life;
5th, the application of connector:Because graphite film fragility is larger, how to realize that graphite film is a difficulty with being fixedly connected for Copper Foil Topic, the present invention provides two kinds of optional connectors, and Copper Foil is fixedly secured with two ends of flexible graphite platelet, is ensureing Under the premise of whole heating plate heat transfer conduction is impregnable, it is ensured that the globality of graphite film integrality and product.
Brief description of the drawings
By the detailed description made in conjunction with the following drawings, of the invention above-mentioned and/or other aspects and advantage will become Become apparent from and be easier to understand, these accompanying drawings are schematical, are not intended to limit the present invention, wherein:
Fig. 1 is the structural representation of the embodiment 1 of New-energy electric vehicle special graphite heating plate of the present invention;
Fig. 2 is the structural representation of the embodiment 2 of New-energy electric vehicle special graphite heating plate of the present invention;
Fig. 3 is the overlooking the structure diagram of Fig. 1 and Fig. 2;
Fig. 4 is the structural representation of the basic processing graphite film after processing;
Fig. 5 two structural representations of end of basic processing graphite film for Copper Foil is temporarily fixed at;
Fig. 6 is a kind of structural representation of connector of the present invention;
Fig. 7 is the side view of Fig. 6;
Fig. 8 is the structural representation of alternative attachment of the present invention;
Fig. 9 is the side view of Fig. 8.
Figure 10 is the programming rate schematic diagram of New-energy electric vehicle special graphite heating plate after connection power supply;
Figure 11 is the infrared thermal imaging test chart of New-energy electric vehicle special graphite heating plate after connection power supply.
Reference:The basic processing graphite films of 1-, 2- Copper Foils, 3- insulation material layers, 4- insulation double faced adhesive tape, the additional full wafers of 5- Graphite film, 6- supplemental dielectric layers, 7- pointings insulation layer, 8- connectors, 81- connections sheet metal, 82- solder joints, 83- bolts, 84- spiral shells It is female.
Specific embodiment
Hereinafter, New-energy electric vehicle special graphite heating plate of the invention and its preparation side are described with reference to the accompanying drawings The embodiment of method.
The embodiment recorded herein is specific specific embodiment of the invention, for illustrating design of the invention, It is explanatory and exemplary, should not be construed as the limitation to embodiment of the present invention and the scope of the invention.Except what is recorded herein Implement exception, those skilled in the art can also be based on the application claims and specification disclosure of that using aobvious Other technical schemes being clear to, these technical schemes include any obvious using making for the embodiment to recording herein The technical scheme of substitutions and modifications.
The accompanying drawing of this specification is schematic diagram, aids in illustrating design of the invention, it is schematically indicated the shape of each several part And its correlation.Note that for the ease of clearly showing the structure of each part of the embodiment of the present invention, between each accompanying drawing Do not drawn according to identical ratio.Identical reference marker is used to represent identical part.
Principle of the invention and feature are described below in conjunction with three embodiments, example is served only for explaining this hair It is bright, it is not intended to limit the scope of the present invention.
Embodiment 1
Such as Fig. 1, Fig. 3~Fig. 5, the structural representation of embodiment 1, a kind of New-energy electric vehicle special graphite heating are shown Piece, including basic processing graphite film 1, the thickness range of the basic processing graphite film 1 is 0.025mm~0.3mm, preferably 0.05mm~0.25mm, preferred size is 200mm*200mm*0.025mm, the processing line a width of 5 of the basic processing graphite film 1 ~20mm, rest line width is not more than 5mm, and preferably line width is 10mm, and rest is 2mm, the basic processing graphite film 1 To be processed into the flexible graphite platelet of continuous U, two ends of the flexible graphite platelet are connected with Copper Foil by connector respectively 2, Copper Foil 2 connects power supply as electrode, altogether two panels, and be laid in the upper and lower of the end flexible graphite platelet of basic processing graphite film 1 respectively Surface;Copper Foil 2 carries out Hard link with two ends of flexible graphite platelet by connector;Be fixed on for Copper Foil 2 by the connector Two upper and lower surfaces of end of the flexible graphite platelet of continuous U are processed into, the other parts of flexible graphite platelet are not contacted.It is described The thickness range of Copper Foil 2 is 20~50 μm, and preferably 25 μm, the width of the Copper Foil 2 is more than the basic processing graphite film 1 Processing line width, less than processing line width and the twice rest line width sum, the present embodiment Copper Foil of the basic processing graphite film 1 Width be 11mm, the Copper Foil 2 as electrode connect power supply.The upper and lower surface of the basic processing graphite film 1 is covered each by Have insulation material layer 3, the material of the insulation material layer 3 of upper and lower surface can be identical or different with species, be polyimides one side glue, One or two in FR-4 plates or silica gel, are preferably resistant to 200 DEG C of temperature, and thickness is the black polyamide one side glue of 0.1mm, The thickness range of the insulation material layer 3 is 0.05mm~0.125mm.Can also put down residing for the basic processing graphite film 1 In face, in the rest filling insulating materials adaptable with the basic thickness of processing graphite film 1, dispersion or continuous pointing are formed Insulation layer 7.
The New-energy electric vehicle special graphite heating plate of embodiment 1 is produced as follows:
The basic processing graphite film 1 of step one, processing and fabricating;
Step 2, Copper Foil 2 is respectively provided with two ends of the flexible graphite platelet of basic processing graphite film 1, flexible stone is not contacted The other parts of ink sheet;
Step 3, the flexible graphite platelet of Copper Foil 2 is fixed with connector;
Step 4, a side surface one layer of insulation material layer 3 of setting in basic processing graphite film 1;
Step 5, the rest as needed in basic processing graphite film 1 are filled and the basic thickness of processing graphite film 1 is adapted Insulating materials, form dispersion or continuous pointing insulation layer 7;
Another layer of insulation material layer 3 is laid in step 6, the side for setting Copper Foil 2 in basic processing graphite film 1;
Step 7, overall quality inspection is carried out, so far, energy electric vehicle special graphite heating plate is prepared and completed.
Embodiment 2
It is the structural representation of embodiment 2 such as Fig. 2, Fig. 3~Fig. 5, it also insulate on the basis of embodiment 1 at least side Extra play is laid outside material layer 3, the extra play from-inner-to-outer includes insulation double faced adhesive tape 4, additional full wafer graphite film 5 and adds Insulating barrier 6, the additional full wafer graphite film 5 is the flexible graphite platelet of whole;The supplemental dielectric layer 6 is polyimides one side One kind in glue, FR-4 plates or silica gel;The insulation double faced adhesive tape 4 is the double faced adhesive tape of resistance to 80 DEG C of temperatures above.State insulation material layer 3 Thickness range be 0.05mm~0.125mm;The thickness range of the supplemental dielectric layer 6 is 0.05mm~0.125mm;It is described exhausted The thickness of edge double faced adhesive tape 4 is no more than 0.050mm.Its preparation method comprises the following steps:
The basic processing graphite film 1 of step one, processing and fabricating, the size of basic processing graphite film 1 is 185mm*175mm*0.1mm; The a width of 10mm of processing line, rest is 5mm;
Step 2, Copper Foil 2 is respectively provided with two ends of the flexible graphite platelet of basic processing graphite film 1, flexible stone is not contacted The other parts of ink sheet, the width of Copper Foil is 15mm, and thickness is 25 μm;
Step 3, the flexible graphite platelet of Copper Foil 2 is fixed with connector;
Step 4, a side surface one layer of insulation material layer 3 of setting in basic processing graphite film 1, are preferably resistant to 200 DEG C of temperature, Thickness is the black polyamide one side glue of 0.075mm;
Step 5, the rest as needed in basic processing graphite film 1 are filled and the basic thickness of processing graphite film 1 is adapted Insulating materials, form dispersion or continuous pointing insulation layer 7;
Another layer of insulation material layer 3 is laid in step 6, the side for setting Copper Foil 2 in basic processing graphite film 1;
Step 7, extra play is laid outside the insulation material layer 3 of side, from-inner-to-outer lays insulation double faced adhesive tape 4, additional successively Full wafer graphite film 5 and supplemental dielectric layer 6, the additional size of full wafer graphite film 5 are 185mm*175mm*0.025mm;
Step 8, overall quality inspection is carried out, so far, energy electric vehicle special graphite heating plate is prepared and completed.
Wherein, the connector in above-described embodiment 1 or embodiment 2 can have two kinds of selections, the first, such as Fig. 6 and Fig. 7 institutes Show, connector is connection sheet metal 81, the connection sheet metal 81 is ribbon, penetrates two-layer Copper Foil 2 and centre back and forth up and down Basic processing graphite film 1, two ends are welded and fixed with Copper Foil 2, correspondence position on the Copper Foil 2 and basic processing graphite film 1 Install the preformed hole for connecting sheet metal company of wearing about 81.During construction, basic processing graphite film 1 is extended the part for and is beaten Four preformed holes, then wrap up upper electrode material, such as Copper Foil or stainless steel alloy in basic processing graphite film about 1, remaining Alloy material or Copper Foil cut out suitably can just be by the size of preformed hole, and upper and lower threading passes through preformed hole, last upper and lower Two ends are welded and fixed at solder joint 82.
Alternative attachment, as shown in Figure 8 and Figure 9, connector is made up of bolt 83 and nut 84, and the bolt 83 runs through Upper and lower two-layer Copper Foil 2 and middle basic processing graphite film 1, two ends are set up nut 84 separately and are achieved a fixed connection, the Copper Foil 2 and base Correspondence position opens bolt box on plinth processing graphite film 1.During making, the connection for is extended in basic processing graphite film 1 first Two bolt box are made a call on part, then Copper Foil, aluminium foil or stainless steel alloy is superscribed up and down in basic processing graphite film 1 Deng electrode material, fixed using bolt, or rivet.
Comparative example
A kind of electric heating sheets for being now used for the heating of electrokinetic cell bag, it is resistant to 200 DEG C of temperature by upper and lower two-layer, and thickness is The black polyamide one side glue of 0.075mm, the nickel alloy circuit layer of centre 185mm*175mm*0.1mm are constituted.Nickel alloy electricity Route is wide, gap and trend are used when test according to embodiment 1,2 80W power and the setting of 20V voltages.
The upper lead of nickel alloy circuit the two poles of the earth welding that will have been etched first, then the black polyamide one side in the encapsulation of two sides Glue, it is packaged after only exposed two electrode wires outside, be used to connect outside constant voltage source.
Same power supply, voltage, electric current, liter in collection heating plate are connected to 2 embodiments and 1 heating plate of comparative example The test data such as face temperature difference when temperature, 80 DEG C of intensification take and heat up 80 DEG C after warm 60S, and data analysis is carried out, such as the institute of table 1 It is shown as test result:
1. 2 embodiments of table and 1 test result of comparative example
Test data is analyzed, such as Figure 10 is two implementations of New-energy electric vehicle special graphite heating plate after connection power supply The average heating speed schematic diagram of example, it can be seen that in 80W power, heating plate of the present invention only needs the 20s can be just warming up to The temperature of 80 DEG C-i.e. New-energy electric vehicle electrokinetic cell bag heating requirements, programming rate is fast, and graphite flake is in itself a kind of 3C necks The conventional soaking heat sink material in domain, the present invention utilizes the conductive and heat transfer property that it can be excellent, will by the method for simple cutting Basic processing graphite film processes figure, is internally formed the continuous heat transfer circuit of bending, directly makes after being encapsulated using insulating materials With programming rate is fast.
Temperature conditions when testing 80 DEG C using infrared thermography, as shown in figure 11, uniformity is fabulous as seen from the figure, stone Soaking heat dispersion is protruded ink sheet material in itself, and the heating plate made using it, temperature homogeneity is good, while further using not The additional full wafer graphite film of processing is covered in the rear of manufactured basic processing graphite film as equal hot material, further carries Its temperature homogeneity high.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all it is of the invention spirit and Within principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.

Claims (10)

1. a kind of New-energy electric vehicle special graphite heating plate, including basic processing graphite film(1), it is characterised in that:It is described Basic processing graphite film(1)To be processed into the flexible graphite platelet of continuous U, two ends of the flexible graphite platelet connect respectively There is Copper Foil(2), the Copper Foil(2)Power supply is connected as electrode, altogether two panels, be laid in basic processing graphite film respectively(1)End The upper and lower surface of flexible graphite platelet;The Copper Foil(2)Two ends with flexible graphite platelet carry out Hard link by connector;Institute State basic processing graphite film(1)Upper and lower surface be covered each by insulation material layer(3).
2. a kind of New-energy electric vehicle special graphite heating plate according to claim 1, it is characterised in that:Also include applying It is located at least side insulation material layer(3)Outside extra play, the extra play from-inner-to-outer successively include insulation double faced adhesive tape (4), additional full wafer graphite film(5)And supplemental dielectric layer(6), the additional full wafer graphite film(5)It is the flexible graphite platelet of whole.
3. a kind of New-energy electric vehicle special graphite heating plate according to claim 1 and 2, it is characterised in that:It is described Connector is by bolt(83)And nut(84)Composition, the bolt(83)Through upper and lower two-layer Copper Foil(2)Add with middle basis Work graphite film(1), nut is set up at two ends separately(84)Achieve a fixed connection, the Copper Foil(2)With basic processing graphite film(1)Upper correspondence Open bolt box in position.
4. a kind of New-energy electric vehicle special graphite heating plate according to claim 1 and 2, it is characterised in that:It is described Connector is connection sheet metal(81), the connection sheet metal(81)It is ribbon, penetrates two-layer Copper Foil back and forth up and down(2)With in Between basic processing graphite film(1), two ends and Copper Foil(2)It is welded and fixed, the Copper Foil(2)With basic processing graphite film (1)Upper correspondence position is set for connecting sheet metal(81)The preformed hole of the company of wearing up and down.
5. a kind of New-energy electric vehicle special graphite heating plate according to claim 3, it is characterised in that:The basis Processing graphite film(1)Thickness range be 0.025mm~0.3mm, preferably 0.05mm~0.25mm;A width of 5~the 20mm of processing line, Rest line width is not more than 5mm.
6. a kind of New-energy electric vehicle special graphite heating plate according to claim 3, it is characterised in that:The basis Processing graphite film(1)Upper and lower surface insulation material layer(3)Material category it is identical or different, be polyimides one side glue, FR-4 One or two in plate or silica gel;The supplemental dielectric layer(6)It is in polyimides one side glue, FR-4 plates or silica gel Kind;The insulation double faced adhesive tape(4)It is the double faced adhesive tape of resistance to 80 DEG C of temperatures above.
7. a kind of New-energy electric vehicle special graphite heating plate according to claim 3, it is characterised in that:The insulation Material layer(3)Thickness range be 0.05mm~0.125mm;The supplemental dielectric layer(6)Thickness range for 0.05mm~ 0.125mm;The insulation double faced adhesive tape(4)Thickness be no more than 0.050mm.
8. a kind of New-energy electric vehicle special graphite heating plate according to claim 3, it is characterised in that:The Copper Foil (2)Thickness range be 20~50 μm, width be more than the basic processing graphite film(1)Processing line width, less than the basis Processing graphite film(1)Processing line width and twice rest line width sum.
9. a kind of New-energy electric vehicle special graphite heating plate according to claim 3, it is characterised in that:The basis Processing graphite film(1)In residing plane, in rest filling and basic processing graphite film(1)The adaptable insulation material of thickness Material, forms dispersion or continuous pointing insulation layer(7).
10. the preparation method of the New-energy electric vehicle special graphite heating plate described in claim 2~9 any one, it is special Levy and be:
Step one, processing and fabricating basis processing graphite film(1);
Step 2, in basic processing graphite film(1)Two ends of flexible graphite platelet be respectively provided with Copper Foil(2), do not contact soft The other parts of property graphite flake;
Step 3, with connector by Copper Foil(2)Flexible graphite platelet is fixed;
Step 4, in basic processing graphite film(1)A side surface set one layer of insulation material layer(3);
Step 5, as needed in basic processing graphite film(1)Rest filling and basic processing graphite film(1)Thickness phase The insulating materials of adaptation, forms dispersion or continuous pointing insulation layer(7);
Step 6, in basic processing graphite film(1)Copper Foil is set(2)Side lay another layer of insulation material layer(3);
Step 7, at least side insulation material layer(3)Outside lay extra play, from-inner-to-outer lays insulation double faced adhesive tape successively (4), additional full wafer graphite film(5)And supplemental dielectric layer(6);
Step 8, overall quality inspection is carried out, so far, energy electric vehicle special graphite heating plate is prepared and completed.
CN201611219339.6A 2016-12-26 2016-12-26 Special graphite heating plate for new energy electric automobile and preparation method thereof Active CN106785232B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611219339.6A CN106785232B (en) 2016-12-26 2016-12-26 Special graphite heating plate for new energy electric automobile and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611219339.6A CN106785232B (en) 2016-12-26 2016-12-26 Special graphite heating plate for new energy electric automobile and preparation method thereof

Publications (2)

Publication Number Publication Date
CN106785232A true CN106785232A (en) 2017-05-31
CN106785232B CN106785232B (en) 2023-06-16

Family

ID=58925198

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201611219339.6A Active CN106785232B (en) 2016-12-26 2016-12-26 Special graphite heating plate for new energy electric automobile and preparation method thereof

Country Status (1)

Country Link
CN (1) CN106785232B (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108601113A (en) * 2018-07-13 2018-09-28 江苏墨泰新材料有限公司 A kind of graphite Electric radiant Heating Film and its preparation method and application
CN109950664A (en) * 2019-03-29 2019-06-28 杜武浩 A kind of heating sheet and the new energy battery pack equipped with the heating sheet
CN110828942A (en) * 2019-10-25 2020-02-21 荣盛盟固利新能源科技有限公司 Planar heating film for lithium ion power battery and lithium ion power battery
CN111509323A (en) * 2019-01-30 2020-08-07 雷达 Graphene thermal management method for new energy automobile power battery
JPWO2022145012A1 (en) * 2020-12-28 2022-07-07
CN117954740A (en) * 2024-03-26 2024-04-30 电子科技大学 Thermal management device, preparation method thereof and lithium ion battery assembly method

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1480394A (en) * 2002-06-18 2004-03-10 东洋炭素株式会社 Plexible high pureness expanded graphite sheet, mfg. same and graphite crucible lining using same
US20100062220A1 (en) * 2005-05-30 2010-03-11 Yasushi Nishikawa Process for producing graphite film and graphite film produced thereby
JP2013216577A (en) * 2013-07-25 2013-10-24 Kaneka Corp Graphite film and method for producing graphite film
US20140190676A1 (en) * 2013-01-07 2014-07-10 Aruna Zhamu Unitary graphene material-based integrated finned heat sink
CN104167574A (en) * 2013-05-17 2014-11-26 同济大学 Passive phase-change material cooling system for power battery of electric automobile
CN104768243A (en) * 2015-04-07 2015-07-08 上海交通大学 Graphite sheet electric heating element and preparation method thereof
CN204730312U (en) * 2015-05-26 2015-10-28 江苏悦达新材料科技有限公司 A kind of graphite compound electric heating floor
CN205609635U (en) * 2016-05-13 2016-09-28 合肥工业大学 Power battery heat accuse box

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1480394A (en) * 2002-06-18 2004-03-10 东洋炭素株式会社 Plexible high pureness expanded graphite sheet, mfg. same and graphite crucible lining using same
US20100062220A1 (en) * 2005-05-30 2010-03-11 Yasushi Nishikawa Process for producing graphite film and graphite film produced thereby
US20140190676A1 (en) * 2013-01-07 2014-07-10 Aruna Zhamu Unitary graphene material-based integrated finned heat sink
CN104167574A (en) * 2013-05-17 2014-11-26 同济大学 Passive phase-change material cooling system for power battery of electric automobile
JP2013216577A (en) * 2013-07-25 2013-10-24 Kaneka Corp Graphite film and method for producing graphite film
CN104768243A (en) * 2015-04-07 2015-07-08 上海交通大学 Graphite sheet electric heating element and preparation method thereof
CN204730312U (en) * 2015-05-26 2015-10-28 江苏悦达新材料科技有限公司 A kind of graphite compound electric heating floor
CN205609635U (en) * 2016-05-13 2016-09-28 合肥工业大学 Power battery heat accuse box

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
HUANG YU等: "graphite film/aluminum laminate composites with ultrahigh thermal conductivity for thermal management applications", 《MATERIALS&DESIGN》, vol. 90, pages 508 - 515, XP029357586, DOI: 10.1016/j.matdes.2015.10.146 *
郭永兴: "锂离子动力电池制造关键技术基础及其安全性研究", 《中国博士学位论文全文数据库(电子期刊)工程科技II辑》, pages 042 - 58 *

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108601113A (en) * 2018-07-13 2018-09-28 江苏墨泰新材料有限公司 A kind of graphite Electric radiant Heating Film and its preparation method and application
CN111509323A (en) * 2019-01-30 2020-08-07 雷达 Graphene thermal management method for new energy automobile power battery
CN109950664A (en) * 2019-03-29 2019-06-28 杜武浩 A kind of heating sheet and the new energy battery pack equipped with the heating sheet
CN110828942A (en) * 2019-10-25 2020-02-21 荣盛盟固利新能源科技有限公司 Planar heating film for lithium ion power battery and lithium ion power battery
JPWO2022145012A1 (en) * 2020-12-28 2022-07-07
WO2022145012A1 (en) * 2020-12-28 2022-07-07 三菱重工業株式会社 Composite material bonding apparatus and composite material bonding method
EP4169700A4 (en) * 2020-12-28 2023-08-23 Mitsubishi Heavy Industries, Ltd. Composite material bonding apparatus and composite material bonding method
JP7439304B2 (en) 2020-12-28 2024-02-27 三菱重工業株式会社 Composite material joining equipment and composite material joining method
CN117954740A (en) * 2024-03-26 2024-04-30 电子科技大学 Thermal management device, preparation method thereof and lithium ion battery assembly method

Also Published As

Publication number Publication date
CN106785232B (en) 2023-06-16

Similar Documents

Publication Publication Date Title
CN106785232A (en) A kind of New-energy electric vehicle special graphite heating plate and preparation method thereof
CN108093501B (en) Graphene heating film and graphene heating film assembly suitable for power battery pack
CN202617386U (en) A kind of soft electric heater
CN105826428B (en) One kind passivation contact N-type crystalline silicon battery and preparation method and component, system
CN105960031B (en) A kind of electricity heat-producing machine and preparation method thereof
CN106851868A (en) A kind of heater of thermal sensitive ceramics heating element
US9238760B2 (en) Charge collection side adhesive tape
CN107275559B (en) Battery pack device
CN106604422A (en) Electric heater and preparation method thereof
JP5067352B2 (en) Thermoelectric conversion module and power generator using the same
CN206340639U (en) A kind of New-energy electric vehicle special graphite heating plate
CN210579283U (en) High-uniformity electric heating film
CN215418199U (en) Solar cell string and photovoltaic module comprising same
CN208272040U (en) A lithium polymer battery with added graphite conductive cloth
CN207530726U (en) A kind of cylinder jacket temperature difference electricity generation device
CN107768510A (en) A kind of electrothermal module and preparation method thereof
CN114122566A (en) Electrochemical device and electric equipment comprising same
CN211455340U (en) Photovoltaic cable
CN210725383U (en) Self-limiting temperature electrothermal film
CN209526103U (en) Back contacts solar cell interconnection architecture
CN221127508U (en) Graphene heating component
CN206602675U (en) A kind of heater wire of flat conductor structure
CN207069073U (en) A kind of aluminium cable connecting tube
CN214675727U (en) Graphite alkene electrically conducts integrative electric heat membrane
CN105578625B (en) A kind of silica gel flexible heater and preparation method thereof

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant