CN109244528A - A kind of lithium ion battery energy-storage module - Google Patents
A kind of lithium ion battery energy-storage module Download PDFInfo
- Publication number
- CN109244528A CN109244528A CN201811013352.5A CN201811013352A CN109244528A CN 109244528 A CN109244528 A CN 109244528A CN 201811013352 A CN201811013352 A CN 201811013352A CN 109244528 A CN109244528 A CN 109244528A
- Authority
- CN
- China
- Prior art keywords
- lithium ion
- ion battery
- conducting pipe
- liquid metal
- heat conducting
- 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.)
- Pending
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Classifications
-
- 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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- 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
-
- 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
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6561—Gases
- H01M10/6563—Gases with forced flow, e.g. by blowers
-
- 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
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
- H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
-
- 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 provides a kind of lithium ion battery energy-storage module, which includes: battery case, lithium ion battery and heat conducting pipe；Wherein, the heat conducting pipe is snakelike is distributed in the battery case, and the lithium ion battery is arranged in the rebate of the heat conducting pipe；The liquid metal circulated is equipped in the heat conducting pipe, for carrying out heat exchange with the lithium ion battery；The battery case is equipped with air inlet and air outlet, is provided at least one fan at the air inlet or air outlet, the heat generated in the lithium ion battery charge and discharge process is taken away for generating the air-flow inside the battery case.The present invention is aided with the cold wind of fan, radiates to lithium ion battery using the battery case that the liquid metal and combination of fans circulated carries out lithium ion battery heat dissipation using the high heat conductance characteristic of liquid metal, to maintain the safe operation of battery.
Description
Technical field
The present invention relates to technical field of lithium ion, in particular to a kind of lithium ion battery energy-storage module.
Background technique
Lithium ion battery and its battery modules have output voltage height, specific capacity height, discharging voltage balance, cycle life and
The high advantage of energy density, so lithium ion battery and its mould group have been widely used in laptop, tablet computer, number
Code camera, mobile phone, even the fields such as electric car, energy-storage system, the current developing direction of lithium ion battery are to more high energy
Metric density, lighter and thinner field of consumer electronics march, that is, when requiring a combination thereof that there is bigger capacity to support that product is longer
Between operation, while battery charge time wants shorter, to meet the charging current of bigger multiplying power.And the satisfaction of these conditions in addition to
It needs except more using more strings and structure battery modules, while battery being needed to meet the performance of big multiplying power charge and discharge.But regardless of being
Simultaneously mode or the big multiplying power charge and discharge of battery of the string of battery unit Side by side groupings, can all cause battery heat dissipation problem to aggravate, so that electric
Pond central temperature is abnormal.And battery temperature is excessively high often causes battery electrochemical system unstable in turn, and it is short battery occur
Road either catching fire, causes safety problem.
Currently, the heat dissipation to battery pack is mainly radiated by the way of air-cooled, liquid cooling, phase transformation.Air-cooled is most common
Heat dissipating method, it is general cooling by installation cooling fan forced-air convection, but battery avoids the heat exchange between air
Coefficient is low, therefore cooling and cooling effect is not good enough；Liquid cooling is the contact direct or indirect using the relatively high liquid of thermal conductivity
Battery radiates, and main method is to arrange heat-transfer pipe around module arrangement collet or in intermodule, but liquid is cooling general selects
Viscosity is larger, the slower insulating liquid of flow velocity, therefore its heat transfer effect is restricted；Phase-change material cooling is that phase occurs using material
Cooling or heating of the heat realization to battery, although this method heat dissipation effect is preferable, phase-change material are stored or discharged when change
Heat dissipation technology is not yet mature, and structure is complicated, higher cost, and maintenance is inconvenient.
Summary of the invention
In consideration of it, the invention proposes a kind of lithium ion battery energy-storage modules, it is intended to solve existing lithium ion battery heat dissipation
The problem of effect difference.
The invention proposes a kind of lithium ion battery energy-storage module, which includes: battery case, lithium
Ion battery and heat conducting pipe；Wherein, the heat conducting pipe is snakelike is distributed in the battery case, and the lithium ion battery is arranged in institute
State the rebate of heat conducting pipe；The liquid metal circulated is equipped in the heat conducting pipe, for carrying out with the lithium ion battery
Heat exchange；The battery case is equipped with air inlet and air outlet, is provided at least one fan at the air inlet or air outlet,
For generating the air-flow inside the battery case to take away the heat generated in the lithium ion battery charge and discharge process.
Further, above-mentioned lithium ion battery energy-storage module, the liquid metal are gallium base liquid metal alloy, bismuthino liquid
State metal alloy, indium base liquid metal alloy or tinbase liquid metal alloy.
Further, above-mentioned lithium ion battery energy-storage module, the liquid metal are gallium-magnesium alloy, gallium-indium alloy, gallium indium
Tin alloy or indium sn-bi alloy.
Further, above-mentioned lithium ion battery energy-storage module, the material of the heat conducting pipe are copper, aluminium, aluminium alloy, graphite
Alkene, electrographite, natural graphite, carbon fiber or C/C composite material.
Further, above-mentioned lithium ion battery energy-storage module is connected with hydraulic device or electromagnetic pump on the heat conducting pipe, uses
In the driving liquid metal in the heat conducting pipe internal circulation flow.
Further, above-mentioned lithium ion battery energy-storage module, the air inlet and the air outlet are set to the battery
The opposite side of case.
Further, above-mentioned lithium ion battery energy-storage module, being set to the fan at the air outlet is induced draught fan.
Further, above-mentioned lithium ion battery energy-storage module, the fan for being set to the air inlet is bleed type fan.
Further, above-mentioned lithium ion battery energy-storage module, the battery case include: shell and lid；Wherein, the shell
Body inner hollow and a side opening；The cover cap is set to the open side of the shell, is detachably connected with the shell
It connects.
Further, above-mentioned lithium ion battery energy-storage module, the lithium ion battery are set side by side in the battery case.
Lithium ion battery energy-storage module provided by the invention carries out lithium using the liquid metal and combination of fans circulated
The battery case of ion battery heat dissipation is aided with the cold wind of fan, to lithium ion battery using the high heat conductance characteristic of liquid metal
It radiates, to maintain the safe operation of battery.Meanwhile the liquid metal in heat conducting pipe is as heat-conduction medium, due to its heat
Conductance is much higher than traditional water, air and many nonmetal mediums, therefore, water cooling more air-cooled than tradition has more efficient heat
It transports and heat-sinking capability.In addition, being not easy to leak since liquid metal is not easy to evaporate, safe and non-toxic, physico-chemical property is stablized, and pole
Easily recycling, be a kind of very safe flow working medium, thus can be effectively ensured using liquid metal radiator it is long-term,
Efficiently, stable operation.
Especially, heat conducting pipe is snakelike is distributed in battery case, and lithium ion battery is arranged in the rebate of heat conducting pipe, to improve
Contact area between heat conducting pipe and lithium ion battery, and then improve between the liquid metal and lithium ion battery in heat conducting pipe
Carry out the efficiency of heat exchange, the i.e. efficiency of raising lithium ion battery heat dissipation.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as to the present invention
Limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of lithium ion battery energy-storage module provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of battery case provided in an embodiment of the present invention.
Specific embodiment
Exemplary embodiments of the present disclosure are described in more detail below with reference to accompanying drawings.Although showing the disclosure in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
It is fully disclosed to those skilled in the art.It should be noted that in the absence of conflict, embodiment in the present invention and
Feature in embodiment can be combined with each other.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
It is the structural schematic diagram of lithium ion battery energy-storage module provided in an embodiment of the present invention, as schemed institute referring to Fig. 1
Show, which includes: battery case 1, lithium ion battery 2 and heat conducting pipe 3；Wherein,
Heat conducting pipe 3 is snakelike to be distributed in battery case 1, and lithium ion battery 2, which is arranged in the rebate a i.e. heat conducting pipe 3 of heat conducting pipe 3, to be rolled over
Space segment between curved, rebate a, which is used to block lithium ion battery 2 i.e., may make heat conducting pipe 3 along the outer of lithium ion battery 2
Wall winding, so, the heat of lithium ion battery 2 can directly be conducted to heat conducting pipe 3, with improve heat conducting pipe 3 and lithium from
Contact area between sub- battery 2；Liquid metal is equipped in heat conducting pipe 3, in 3 internal circulation flow of heat conducting pipe, so as to make lithium from
The heat generated in sub- 2 charge and discharge process of battery is with liquid metal in 3 internal circulation flow of heat conducting pipe.Liquid is connected on heat conducting pipe 3
Pressure device or electromagnetic pump, for driving liquid metal in heat conducting pipe internal circulation flow, to take away 2 charge and discharge of lithium ion battery
The heat generated in journey；Certainly, promote liquid metal convective motion also and pulse laser driving, sound wave driving etc. can be used.For into
One step improves the contact area between lithium ion battery 2 and heat conducting pipe 3, it is preferable that lithium ion battery 2 is in arranged side by side in battery case 1
Setting, specifically, the settable multiple rows of lithium ion battery 2 of space segment in heat conducting pipe 3 between bending, each folding in heat conducting pipe 3
Lithium ion battery 2 between space segment between curved is set side by side.2 series, parallel of muti-piece lithium ion battery or mixed connection combine
At battery pack.
Battery case 1 is equipped at air inlet b and air outlet c, air inlet b or air outlet c and is provided at least one fan 4,
For generating the air-flow inside battery case 1, to take away the heat generated in 2 charge and discharge process of lithium ion battery.Specifically,
Air inlet b and air outlet c is set to the opposite side of battery case 1, so as to accelerate in the heat conducting pipe 3 in battery case 1 liquid metal and
The heat dissipation of lithium ion battery 2 improves the heat dissipation effect of lithium ion battery 2.Wherein, fan 4 may be disposed at the air draught at air outlet c
Formula fan or the bleed type fan being set at air inlet b.
In the present embodiment, the material of heat conducting pipe 3 is copper, aluminium, aluminium alloy, graphene, electrographite, natural graphite, carbon
Fiber or C/C composite material, thermal conductivity is higher, to improve the efficiency of heat exchange between lithium ion battery 2 and liquid metal,
And then further increase the radiating efficiency of lithium ion battery 2.For the radiating efficiency for further increasing lithium ion battery 2, it is preferable that
Liquid metal is that gallium base liquid metal alloy, bismuthino liquid metal alloy, indium base liquid metal alloy or tinbase liquid metal close
Gold carries out the efficiency of heat exchange to further increase liquid metal and lithium ion battery 2；It is further preferred that liquid metal
For gallium-magnesium alloy, gallium-indium alloy, gallium-indium-tin alloy or indium sn-bi alloy；Certainly, liquid metal may be potassium sodium alloy or water
Silver.Liquid metal selects gallium base liquid metal, and gallium base liquid metal has very high thermal conductivity, when gallium base fluid state Metal absorption lithium
Heat is distributed by the cold wind air-flow of fan 4 after the heat of ion battery 2, to achieve the purpose that heat dissipation, maintains electricity
Pond operational safety.
Referring to fig. 2, battery case 1 includes: shell 11 and lid 12；Wherein, the side of 11 inner hollow of shell and a side opening
Shape shell, lid 12 are covered on the open side (upside shown in as shown in Figure 2) of shell 11, and lid 12 and shell 12 are removably
It is connected, so that the components in battery case 1 are repaired and replaced.Preferably, lid 12 and shell 12 can pass through screw
It is connected.Wherein, the shell 11 of battery case 1 and lid 12 can be aluminum alloy material, and thermal conductivity is higher, to improve battery
The radiating efficiency of case 1.
To sum up, lithium ion battery energy-storage module provided in this embodiment utilizes 4 groups of the liquid metal and fan circulated
It closes the battery case 1 that progress lithium ion battery 2 radiates and is aided with the cold wind of fan 4 using the high heat conductance characteristic of liquid metal,
It radiates to lithium ion battery 2, to maintain the safe operation of battery.Meanwhile the liquid metal in heat conducting pipe is as heat transfer
Medium, since its thermal conductivity is much higher than traditional water, air and many nonmetal mediums, water cooling more air-cooled than tradition has
More efficient heat transportation and heat-sinking capability.In addition, being not easy to leak since liquid metal is not easy to evaporate, safe and non-toxic, materialization
Property is stablized, and easily recycles, and is a kind of very safe flow working medium, therefore dissipating using liquid metal can be effectively ensured
Thermal it is long-term, efficiently, stable operation.
Especially, heat conducting pipe 3 is snakelike is distributed in battery case 1, and lithium ion battery 2 is arranged in the rebate a of heat conducting pipe 3,
To improve the contact area between heat conducting pipe 3 and lithium ion battery 2, so improve the liquid metal in heat conducting pipe 3 and lithium from
The efficiency of heat exchange, the i.e. efficiency of raising lithium ion battery 2 heat dissipation are carried out between sub- battery 2.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (10)
1. a kind of lithium ion battery energy-storage module characterized by comprising battery case (1), lithium ion battery (2) and heat conducting pipe
(3)；Wherein,
The heat conducting pipe (3) is snakelike to be distributed in the battery case (1), and the lithium ion battery (2) is arranged in the heat conducting pipe
(3) rebate (a)；
The liquid metal circulated is equipped in the heat conducting pipe (3), for carrying out heat exchange with the lithium ion battery (2)；
The battery case (1) is equipped with air inlet (b) and air outlet (c), and the air inlet (b) or air outlet (c) place are provided with
At least one fan (4) is filled for generating across the internal air-flow of the battery case (1) with taking away the lithium ion battery (2)
The heat generated in discharge process.
2. lithium ion battery energy-storage module according to claim 1, which is characterized in that
The liquid metal is gallium base liquid metal alloy, bismuthino liquid metal alloy, indium base liquid metal alloy or tinbase liquid
State metal alloy.
3. lithium ion battery energy-storage module according to claim 2, which is characterized in that
The liquid metal is gallium-magnesium alloy, gallium-indium alloy, gallium-indium-tin alloy or indium sn-bi alloy.
4. lithium ion battery energy-storage module according to any one of claims 1 to 3, which is characterized in that
The material of the heat conducting pipe (3) is copper, aluminium, aluminium alloy, graphene, electrographite, natural graphite, carbon fiber or C/C multiple
Condensation material.
5. lithium ion battery energy-storage module according to any one of claims 1 to 3, which is characterized in that
It is connected with hydraulic device or electromagnetic pump on the heat conducting pipe (3), for driving the liquid metal in the heat conducting pipe (3)
Internal circulation flow.
6. according to the described in any item lithium ion battery energy-storage modules of claim 5 to 3, which is characterized in that
The air inlet (b) and the air outlet (c) are set to the opposite side of the battery case (1) and are oppositely arranged.
7. lithium ion battery energy-storage module according to any one of claims 1 to 3, which is characterized in that
The fan (4) for being set to air outlet (c) place is induced draught fan.
8. lithium ion battery energy-storage module according to any one of claims 1 to 3, which is characterized in that
The fan (4) for being set to air inlet (b) place is bleed type fan.
9. lithium ion battery energy-storage module according to any one of claims 1 to 3, which is characterized in that the battery case (1)
It include: shell (11) and lid (12)；Wherein,
Shell (11) inner hollow and a side opening；
The lid (12) is covered on the open side of the shell (11), and the lid (12) and the shell (11) are removably
It is connected.
10. lithium ion battery energy-storage module according to any one of claims 1 to 3, which is characterized in that
The lithium ion battery (2) is set side by side in the battery case (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811013352.5A CN109244528A (en) | 2018-08-31 | 2018-08-31 | A kind of lithium ion battery energy-storage module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811013352.5A CN109244528A (en) | 2018-08-31 | 2018-08-31 | A kind of lithium ion battery energy-storage module |
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| Publication Number | Publication Date |
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| CN109244528A true CN109244528A (en) | 2019-01-18 |
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| CN201811013352.5A Pending CN109244528A (en) | 2018-08-31 | 2018-08-31 | A kind of lithium ion battery energy-storage module |
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Cited By (3)
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| CN110061326A (en) * | 2019-05-21 | 2019-07-26 | 北京航空航天大学 | A kind of electric automobile power battery cooling device |
| CN110416456A (en) * | 2019-07-15 | 2019-11-05 | 重庆工商大学 | The anti-spontaneous combustion system of new energy car battery |
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Application publication date: 20190118 |