CN106299546A - A kind of graphene battery heat management device - Google Patents
A kind of graphene battery heat management device Download PDFInfo
- Publication number
- CN106299546A CN106299546A CN201610919853.4A CN201610919853A CN106299546A CN 106299546 A CN106299546 A CN 106299546A CN 201610919853 A CN201610919853 A CN 201610919853A CN 106299546 A CN106299546 A CN 106299546A
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- CN
- China
- Prior art keywords
- heat radiation
- contact
- grid
- heat
- management device
- Prior art date
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/615—Heating or keeping warm
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/63—Control systems
- H01M10/635—Control systems based on ambient temperature
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/653—Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6551—Surfaces specially adapted for heat dissipation or radiation, e.g. fins or coatings
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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 present invention relates to a kind of battery pack heat management device, especially a kind of electric automobile Graphene power battery pack heat management system.A kind of graphene battery heat management device, is incubated grid including some battery cells, graphene film and automatic heat radiation；Some described battery cells form set of cells, contact with described battery cell housing in the middle part of described graphene film, described automatic heat radiation insulation grid include dispel the heat grid and heat radiation contact, described graphene film two ends are connected with described heat radiation contact, between described heat radiation contact, there is gap, when described heat radiation contact expanded by heating, described heat radiation contact contacts with described heat radiation grid.The present invention can realize set of cells low-temperature insulation and reduce the effect of battery cell temperature difference；Varying with temperature, heat radiation contact and grid substrate contact or separate, and the contact that dispels the heat selects different materials, heat radiation contact is the most different from the temperature spot of grid substrate contact, increases the adaptability of graphene battery heat management device.
Description
Technical field
The present invention relates to a kind of thermal management device of battery, especially a kind of electric automobile Graphene power battery pack heat management
System, integrated use carries out comprehensive system heat management from fusing structure, Graphene, heat radiation grid etc. to electric vehicle battery group, with
Just set of cells is in different temperatures scope, round-the-clock use.
Background technology
In recent years, electrokinetic cell is increasingly becoming the main flow power supply of electric automobile.In electric automobile, it is common that by multiple electricity
Monomer serial or parallel connection in different forms in pond constitutes a cell apparatus together, the voltage required for providing and capacity.
Owing to battery is in charge and discharge process, internal chemical reaction complexity, and it is attended by heat generation, especially for multiple battery lists
The device of body composition, the gathering of temperature faster, makes inside battery produce rapidly substantial amounts of heat build-up, necessarily causes battery temperature
Raise and Temperature Distribution unbalanced, thus cause battery performance to decline, it is possible that leakage, exit, the phenomenon such as smolder,
Time serious, battery can occur vigorous combustion even to explode；In contrast, in northerly winter, ambient temperature is low, now electricity
Pond need not heat radiation, and set of cells needs certain Insulation just can normally work.
At present, on market, electrokinetic cell the most all uses the simplest air radiating mode, few side using other
Formula.Tesla's battery thermal management system uses water-cooling pattern, but does not has low-temperature insulation function.
Chinese patent CN 102709618A discloses a kind of temperature equalization system that cools down for the microchannel of heat dissipation of lithium battery, micro-
Passage cooling effectiveness is low, and does not has low-temperature insulation function.
Summary of the invention
It is an object of the invention to overcome prior art to there is set of cells and there is no the defect of low-temperature insulation function, it is provided that Yi Zhongshi
Ink alkene thermal management device of battery.
The technical solution adopted for the present invention to solve the technical problems is: a kind of graphene battery heat management device, including
Some battery cells, graphene film and automatic heat radiation insulation grid；Some described battery cells form set of cells, described Graphene
Central film portion contacts with described battery cell housing, and described automatic heat radiation insulation grid include dispel the heat grid and heat radiation contact, described stone
Ink alkene thin film two ends are connected with described heat radiation contact, have gap, when described heat radiation contact is heated swollen between described heat radiation contact
Time swollen, described heat radiation contact contacts with described heat radiation grid.
As preferably, for ease of heat radiation grid and the installation of heat radiation contact, described heat radiation grid are arranged on grid base body, described
Heat radiation contact is arranged on contact body, and described grid base body is fixing with described contact body to be connected, and is provided with between the two
The cavity of accommodating described heat radiation contact.
Further, for ease of the laminating by graphene film Yu contact body, described contact body is near described electricity
The side of pond group is provided with adhesive layer, and described graphene film two ends are fitted on described contact body by adhesive layer.
As preferably, for improving the heat conductivity between graphene film and street contact body, described adhesive layer material is
Heat conduction cohesive material.
As preferably, described heat conduction cohesive material is heat conductive silica gel.
Further, for improving effective contact realized between heat radiation contact with heat radiation grid and separating, described heat radiation is touched
Head material is heat conduction expanding material.
As preferably, described heat radiation contact material is PA6 or PPS.PA6 and PPS has higher heat conductivility and relatively
High coefficient of thermal expansion.
Further, described heat radiation contact is point-like Discrete Distribution or strip distribution.
Beneficial effect: the present invention uses above technical scheme compared with prior art, one, it is possible to achieve set of cells low temperature is protected
The gentle effect reducing battery cell temperature difference；Two, vary with temperature, heat radiation contact and grid substrate contact or separate, and dissipate
Thermal contact head selects different materials, and heat radiation contact is the most different from the temperature spot of grid substrate contact, thus can be suitable for inhomogeneity
The battery cell of type, which increases the adaptability of graphene battery heat management device.
Accompanying drawing explanation
The present invention is further detailed explanation with detailed description of the invention below in conjunction with the accompanying drawings.
Fig. 1 is graphene battery heat management device structural representation of the present invention；
Fig. 2 is that automatic heat radiation is incubated grid structural representation；
Fig. 3 is heat radiation contact expansion process schematic diagram；
Fig. 4 is for point-like Discrete Distribution formula heat radiation structure of contact terminal schematic diagram；
Fig. 5 is the heat radiation structure of contact terminal schematic diagram of strip distribution.
Wherein: 1. battery cell, 2. graphene film, 3. automatic heat radiation insulation grid, 31. heat radiation grid, 32. grid base bodies, 33.
Heat radiation contact, 34. contact body, 35. adhesive layers.
Detailed description of the invention
Embodiment
As it is shown in figure 1, a kind of graphene battery heat management device, including some battery cells 1, graphene film 2 and from
Dynamic heat radiation insulation grid 3；Some described battery cells 1 form set of cells, with described battery cell 1 in the middle part of described graphene film 2
Housing contacts, as in figure 2 it is shown, described automatic heat radiation insulation grid 3 include dispel the heat grid 31 and heat radiation contact 33, described heat radiation grid 31
Being arranged on grid base body 32, described heat radiation contact 33 is arranged on contact body 34, described grid base body 32 and described contact base
Body 34 is fixing to be connected, and is provided with the cavity of accommodating described heat radiation contact 33, described graphene film 2 two ends and institute between the two
Stating contact body 34 to be fitted by the heat conduction cohesive material of adhesive layer 35, in the present embodiment, heat conduction cohesive material with heat conductive silica gel is
Example；Having gap between described heat radiation contact 33 and grid base body 32, described heat radiation contact 33 material is heat conduction expanding material,
Described heat radiation contact 33 material is PA6 or PPS (selecting according to practical situation), as shown in Figures 4 and 5, described heat radiation contact
33 are distributed on contact body 34 in point-like Discrete Distribution or strip, as it is shown on figure 3, when described heat radiation contact 33 expanded by heating
Time, described heat radiation contact 33 contacts with described heat radiation grid 31.
Operation principle is as follows: when set of cells work is produced heat, the heat that battery cell 1 produces is by battery cell 1
Metal shell pass to graphene film 2, heat is delivered to outside set of cells from internal battery pack by graphene film 2, logical
The adhesive layer 35 crossing heat conduction passes to contact body 34, then heating heat radiation contact 33, and heat radiation contact 33 rises highly expanded with temperature,
When battery temperature is increased to certain value, the present embodiment by > as a example by 40 DEG C, as it is shown on figure 3, heat radiation contact 33 connects with grid base body 32
Touching laminating, and transfer heat to grid base body 32, grid base body 32 transfers heat to the grid 31 that dispel the heat again, and final heat radiation grid 31 are by warm
Amount passes to air, thus achieves a heat radiation circulation.When battery pack temperature is reduced to uniform temperature, the present embodiment with
As a example by ＜ 40 DEG C, heat radiation contact 33 reduces contraction with temperature, finally separates with grid base body 32, and the heat that such set of cells produces is just
Can only transmit in the space that surrounds of internal battery pack and graphene film 2, play insulation and reduce the work of battery cell 1 temperature difference
With.
Should be appreciated that specific embodiment described above is only used for explaining the present invention, be not intended to limit the present invention.By
What the spirit of the present invention was extended out obviously changes or changes among still in protection scope of the present invention.
Claims (8)
1. a graphene battery heat management device, it is characterised in that: include some battery cells (1), graphene film (2) and
Automatic heat radiation insulation grid (3)；Some described battery cells (1) form set of cells, described graphene film (2) middle part and described electricity
Pond monomer (1) housing contacts, and described automatic heat radiation insulation grid (3) includes dispel the heat grid (31) and heat radiation contact (33), described graphite
Alkene thin film (2) two ends are connected with described heat radiation contact (33), have gap between described heat radiation contact (33) and heat radiation grid (31),
When described heat radiation contact (33) expanded by heating, described heat radiation contact (33) contacts with described heat radiation grid (31).
Graphene battery heat management device the most according to claim 1, it is characterised in that: described heat radiation grid (31) are arranged
On grid base body (32), described heat radiation contact (33) is arranged on contact body (34), and described grid base body (32) touches with described
Head matrix (34) is fixing to be connected, and is provided with the cavity of accommodating described heat radiation contact (33) between the two.
Graphene battery heat management device the most according to claim 2, it is characterised in that: described contact body (34) leans on
The side of nearly described set of cells is provided with adhesive layer (35), and described graphene film (2) two ends are fitted in by adhesive layer (35)
On described contact body (34).
Graphene battery heat management device the most according to claim 3, it is characterised in that: described adhesive layer (35) material
For heat conduction cohesive material.
Graphene battery heat management device the most according to claim 4, it is characterised in that: described heat conduction cohesive material is
Heat conductive silica gel.
Graphene battery heat management device the most according to claim 1 and 2, it is characterised in that: described heat radiation contact
(33) material is heat conduction expanding material.
Graphene battery heat management device the most according to claim 6, it is characterised in that: described heat radiation contact (33) material
Matter is PA6 or PPS.
Graphene battery heat management device the most according to claim 1 and 2, it is characterised in that: described heat radiation contact
(33) in point-like Discrete Distribution or strip distribution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610919853.4A CN106299546B (en) | 2016-10-21 | 2016-10-21 | A kind of graphene battery heat management device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610919853.4A CN106299546B (en) | 2016-10-21 | 2016-10-21 | A kind of graphene battery heat management device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106299546A true CN106299546A (en) | 2017-01-04 |
| CN106299546B CN106299546B (en) | 2019-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610919853.4A Active CN106299546B (en) | 2016-10-21 | 2016-10-21 | A kind of graphene battery heat management device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110880629A (en) * | 2019-11-19 | 2020-03-13 | 安徽省聚科石墨烯科技股份公司 | Radiating group battery device of phase change material is assisted to graphite alkene |
| US20210313634A1 (en) * | 2020-04-01 | 2021-10-07 | Global Graphene Group, Inc. | Graphene-enabled battery fast-charging and cooling system and method of operating same |
| WO2022258031A1 (en) * | 2021-06-11 | 2022-12-15 | 中兴通讯股份有限公司 | Structural member and communication apparatus |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1484339A (en) * | 2002-08-29 | 2004-03-24 | 松下电器产业株式会社 | Heat control device for battery |
| CN101529647A (en) * | 2006-10-23 | 2009-09-09 | 丰田自动车株式会社 | Cooler and vehicle |
| US20140363718A1 (en) * | 2013-06-10 | 2014-12-11 | Hamilton Sundstrand Corporation | Thermal conductivity control devices |
-
2016
- 2016-10-21 CN CN201610919853.4A patent/CN106299546B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1484339A (en) * | 2002-08-29 | 2004-03-24 | 松下电器产业株式会社 | Heat control device for battery |
| CN101529647A (en) * | 2006-10-23 | 2009-09-09 | 丰田自动车株式会社 | Cooler and vehicle |
| US20140363718A1 (en) * | 2013-06-10 | 2014-12-11 | Hamilton Sundstrand Corporation | Thermal conductivity control devices |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110880629A (en) * | 2019-11-19 | 2020-03-13 | 安徽省聚科石墨烯科技股份公司 | Radiating group battery device of phase change material is assisted to graphite alkene |
| US20210313634A1 (en) * | 2020-04-01 | 2021-10-07 | Global Graphene Group, Inc. | Graphene-enabled battery fast-charging and cooling system and method of operating same |
| US11958382B2 (en) * | 2020-04-01 | 2024-04-16 | Honeycomb Battery Company | Graphene-enabled battery fast-charging and cooling system and method of operating same |
| WO2022258031A1 (en) * | 2021-06-11 | 2022-12-15 | 中兴通讯股份有限公司 | Structural member and communication apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106299546B (en) | 2019-03-15 |
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