CN102832426B - Novel thermal management component of lithium ion battery - Google Patents
Novel thermal management component of lithium ion battery Download PDFInfo
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- CN102832426B CN102832426B CN201210337791.8A CN201210337791A CN102832426B CN 102832426 B CN102832426 B CN 102832426B CN 201210337791 A CN201210337791 A CN 201210337791A CN 102832426 B CN102832426 B CN 102832426B
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- heat
- conducting plate
- lithium ion
- ion battery
- heating plate
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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
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Abstract
The invention discloses a novel thermal management component of a lithium ion battery, which comprises a first heat conducting plate (1) and a second heat conducting plate (2) which are arranged in parallel at intervals, wherein the first heat conducting plate (1) is positioned right in front of the second heat conducting plate (2), and the lithium ion battery (7) is arranged at the front side of the first heat conducting plate (1); and a plurality of heating plates (5) are arranged between the first heat conducting plate (1) and the second heat conducting plate (2). The novel thermal management component of the lithium ion battery can carry out heating management and cooling management on the lithium ion battery, so the lithium ion battery can be adapted to high temperature and low temperature environments, the environmental adaptivity of the lithium ion battery is improved, the battery can be enabled to work at normal working temperature all the time, accordingly, the whole working performance of the battery is ensured, and the lithium ion battery has a longer service life and stability, and is enabled to be safely used.
Description
Technical field
The present invention relates to cell art, particularly relate to a kind of thermal management assemblies of lithium ion battery.
Background technology
Along with worldwide energy crisis and climate warming; traffic and transport field is in the urgent need to a kind of brand-new energy mode; and lithium ion battery is because of its environmental protection; the characteristics such as high-energy output cause the extensive concern of traffic and transport field; at present, in world wide, relevant industries are all studied widely to the application start of lithium ion battery in this field.
The advantages such as lithium ion battery has high working voltage, high-energy-density, has extended cycle life, non-environmental-pollution, not only be used widely on portable communication apparatus and portable electric appts, and be widely used in the big-and-middle-sized electrical equipment aspects such as electric automobile, electric bicycle and electric tool, be the Main way of current Ge great battery producer development.
But for current lithium ion battery, its low temperature performance is poor, and discharge performance is weak, uses at low ambient temperatures for a long time, by all having a significant impact in useful life of lithium ion battery and persistence; And use lithium ion battery in high temperature environments for a long time, also on useful life of lithium ion battery and inherently safe aspect having impact.
Therefore, at present in the urgent need to developing a kind of technology, it can carry out heating management and cooling management to lithium ion battery, allow lithium ion battery can adapt to hot environment and low temperature environment, can ensure battery operated in normal working temperature all the time, thus ensure the integral working of battery, lithium ion battery is made to have longer useful life and stability, ensure the safe handling of battery simultaneously, be conducive to applying widely, be of great practical significance.
Summary of the invention
In view of this, the object of this invention is to provide a kind of thermal management assemblies of new type lithium ion battery, it can carry out heating management and cooling management to lithium ion battery, allow lithium ion battery can adapt to hot environment and low temperature environment, improve the environmental suitability of lithium ion battery, can ensure that battery always works in normal working temperature, thus ensure the integral working of battery, lithium ion battery is made to have longer useful life and stability, ensure the safe handling of battery simultaneously, the scale of industry can be formed, be conducive to applying widely, be of great practical significance.
For this reason, the invention provides a kind of thermal management assemblies of new type lithium ion battery, include the first heat-conducting plate 1 and the second heat-conducting plate 2 of spaced and parallel setting, described first heat-conducting plate 1 is positioned at the dead ahead of described second heat-conducting plate 2, and the front of described first heat-conducting plate 1 is provided with lithium ion battery 7; Multiple heating plate 5 is provided with between described first heat-conducting plate 1 and the second heat-conducting plate 2.
Wherein, be arranged at intervals with multiple heating plate installing hole 4 in the gap between described first heat-conducting plate 1 and the second heat-conducting plate 2, in each described heating plate installing hole 4, be provided with a described heating plate 5.
Wherein, be injected with heat conductive insulating silica gel in each described heating plate installing hole 4, described heating plate 5 is sealed connected together by heat conductive insulating silica gel and described heating plate installing hole 4.
Wherein, the gap between described first heat-conducting plate 1 and the second heat-conducting plate 2 is run through at the two ends up and down of described heating plate 5, and the two ends up and down of described heating plate 5 are connected with externally fed power supply.
Wherein, between two described heating plate installing holes 4 of arbitrary neighborhood, also there is ventilation hole 3, in the gap of described ventilation hole 3 between described first heat-conducting plate 1 and the second heat-conducting plate 2.
Wherein, described ventilation hole 3 is connected with at least one space, fan place.
From above technical scheme provided by the invention, compared with prior art, the thermal management assemblies of a kind of new type lithium ion battery provided by the invention, it can carry out heating management and cooling management to lithium ion battery, allow lithium ion battery can adapt to hot environment and low temperature environment, improve the environmental suitability of lithium ion battery, can ensure that battery always works in normal working temperature, thus ensure the integral working of battery, lithium ion battery is made to have longer useful life and stability, ensure the safe handling of battery simultaneously, the scale of industry can be formed, be conducive to applying widely, be of great practical significance.
Accompanying drawing explanation
Fig. 1 is the surface structure schematic diagram of the thermal management assemblies of a kind of new type lithium ion battery provided by the invention;
In figure, 1 is the first heat-conducting plate, and 2 is the second heat-conducting plate, and 3 is ventilation hole, and 4 is heating plate installing hole, and 5 is heating plate, and 6 is screw, and 7 is lithium ion battery.
Embodiment
In order to make those skilled in the art person understand the present invention program better, below in conjunction with drawings and embodiments, the present invention is described in further detail.
See Fig. 1, the invention provides a kind of thermal management assemblies of new type lithium ion battery, include the first heat-conducting plate 1 and the second heat-conducting plate 2 of spaced and parallel setting, described first heat-conducting plate 1 is positioned at the dead ahead of described second heat-conducting plate 2, and the front of described first heat-conducting plate 1 is provided with the lithium ion battery 7 needing to carry out heat management (comprising heating management and cooling management).
It should be noted that, in specific implementation, shape, the corresponding coupling of size of the shape of described first heat-conducting plate 1 and the second heat-conducting plate 2, size and described lithium ion battery 7.Described first heat-conducting plate 1 and the second heat-conducting plate 2 can adopt the good material of any heat conductivility to make, the concrete aluminium alloy plate that preferably heat conductivility is good.
In the present invention, described first heat-conducting plate 1 and the second heat-conducting plate 2 are fixed together by multiple screw 6 screw thread, and described screw 6 is preferably sunk screw.
In the present invention, multiple transcalent heating plate installing hole 4 is arranged at intervals with in gap between described first heat-conducting plate 1 and the second heat-conducting plate 2, heating plate 5 is provided with in each described heating plate installing hole 4, the gap between described first heat-conducting plate 1 and the second heat-conducting plate 2 is run through at the two ends up and down of described heating plate 5, and the two ends up and down of described heating plate 5 are connected with externally fed power supply.
In specific implementation, heat conductive insulating silica gel is injected with in each described heating plate installing hole 4, described heating plate 5 is sealed connected together by heat conductive insulating silica gel and described heating plate installing hole 4, thus can ensure to have good heat conductivity between heating plate 5 and heating plate installing hole 4.Certainly, according to the needs of user, be not limited to filling heat-conductive insulation silica gel, transcalent megohmite insulant can also be held for other.
It should be noted that, for the present invention, when needs heat lithium ion battery 7, the two ends up and down of heating plate 5 can be energized, heating plate 5 produces heat, thus fast the heat of generation can be delivered to described first heat-conducting plate 1 and the second heat-conducting plate 2 on the surface by heating plate installing hole 4, then heat is delivered to the surface of lithium ion battery 7 from the surface of described first heat-conducting plate 1 and the second heat-conducting plate 2, thus carries out heating operation to lithium ion battery 7.
In specific implementation, described heating plate 5 is preferably positive temperature coefficient (Positive TemperatureCoefficient, PTC) heating plate.
It should be noted that, for PTC heating plate, its temperature can be realized by the size controlling institute's electrical current, therefore can by controlling the size of the electrical current of heating plate 5, control the degree of heat of the first heat-conducting plate 1 and the second heat-conducting plate 2 pairs of lithium ion batteries 7, meanwhile, PTC heating plate itself has automatic constant-temperature characteristic, can not produce the harmful effect caused because of controlling to lose efficacy.Therefore, for the present invention, battery producer can according to various different environment for use, arbitrarily reasonably controls the heating-up temperature to the first heat-conducting plate 1 and the second heat-conducting plate 2 and firing rate, reaches best heating effect.
In the present invention, see Fig. 1, between two described heating plate installing holes 4 of arbitrary neighborhood, also there is ventilation hole 3, in the gap of described ventilation hole 3 between described first heat-conducting plate 1 and the second heat-conducting plate 2, therefore, by described ventilation hole 3, the air flowing between the first heat-conducting plate 1 and the second heat-conducting plate 2 can be increased, when air is respectively cold air or hot-air, cooling or heating operation can be carried out respectively to the first heat-conducting plate 1 and the second heat-conducting plate 2, thus accordingly cooling or heating operation are carried out to the lithium ion battery 7 that the first heat-conducting plate 1 front is placed.
In specific implementation, described ventilation hole 3 is connected with at least one space, fan place, the speed air flow by described ventilation hole 3 can be controlled by the electrical current size controlling fan, thus when air is respectively cold air or hot-air, the cooling rate to lithium ion battery 7 or firing rate can be controlled accordingly.Therefore, when described fan be natural wind fan or chilled air fan time, the flow of cooled air formed during described fan work can be blown in ventilation hole 3, thus cooling down operation can be carried out to the first heat-conducting plate 1 and the second heat-conducting plate 2, make the heat of lithium ion battery 7 inside after heat trnasfer, can be discharged by the first heat-conducting plate 1, louvre 3, thus the lithium ion battery 7 played the first heat-conducting plate 1 front is placed carries out the effect of cooling, realize carrying out the object of lowering the temperature to lithium ion battery 7.And when described fan is electric warm air fan, the hot air flow formed during described fan work can be blown in ventilation hole 3, thus heating operation can be carried out to the first heat-conducting plate 1 and the second heat-conducting plate 2, thus pass through heat transfer process, transfer heat to the lithium ion battery 7 that the first heat-conducting plate 1 front is placed, play the effect that lithium ion battery 7 is heated.Therefore, the present invention, by the setting of ventilation hole 3 between described first heat-conducting plate 1 and the second heat-conducting plate 2, can select to carry out cooling or heating operation to lithium ion battery 7.
Therefore, known based on technical scheme as above, for the thermal management assemblies of a kind of new type lithium ion battery provided by the invention, it greatly can improve useful life and the environmental suitability of Li-ion batteries piles, when especially applying in pure electric automobile lithium ion battery, greatly can reduce the impact of ambient temperature on automobile batteries, thus increase substantially the environmental suitability of lithium ion battery, to the course continuation mileage of pure electric automobile be all very helpful the useful life of battery.
In sum, compared with prior art, the invention provides a kind of thermal management assemblies of new type lithium ion battery, it can carry out heating management and cooling management to lithium ion battery, allow lithium ion battery can adapt to hot environment and low temperature environment, improve the environmental suitability of lithium ion battery, can ensure that battery always works in normal working temperature, thus ensure the integral working of battery, lithium ion battery is made to have longer useful life and stability, ensure the safe handling of battery simultaneously, the scale of industry can be formed, be conducive to applying widely, be of great practical significance.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (5)
1. the thermal management assemblies of a lithium ion battery, it is characterized in that, include spaced and parallel setting and the first heat-conducting plate (1) be fixedly connected with and the second heat-conducting plate (2), described first heat-conducting plate (1) is positioned at the dead ahead of described second heat-conducting plate (2), and the front of described first heat-conducting plate (1) is provided with lithium ion battery (7); Be arranged at intervals with multiple heating plate installing hole (4) in gap between described first heat-conducting plate (1) and the second heat-conducting plate (2), in each described heating plate installing hole (4), be provided with a described heating plate (5); The two ends up and down of described heating plate (5) are connected with externally fed power supply.
2. thermal management assemblies as claimed in claim 1, it is characterized in that, be injected with heat conductive insulating silica gel in each described heating plate installing hole (4), described heating plate (5) is sealed connected together by heat conductive insulating silica gel and described heating plate installing hole (4).
3. thermal management assemblies as claimed in claim 1 or 2, it is characterized in that, the gap between described first heat-conducting plate (1) and the second heat-conducting plate (2) is run through at the two ends up and down of described heating plate (5).
4. thermal management assemblies as claimed in claim 1, it is characterized in that, also have ventilation hole (3) between two described heating plate installing holes (4) of arbitrary neighborhood, described ventilation hole (3) is arranged in the gap between described first heat-conducting plate (1) and the second heat-conducting plate (2).
5. thermal management assemblies as claimed in claim 4, it is characterized in that, described ventilation hole (3) is connected with at least one space, fan place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210337791.8A CN102832426B (en) | 2012-09-13 | 2012-09-13 | Novel thermal management component of lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210337791.8A CN102832426B (en) | 2012-09-13 | 2012-09-13 | Novel thermal management component of lithium ion battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102832426A CN102832426A (en) | 2012-12-19 |
| CN102832426B true CN102832426B (en) | 2015-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210337791.8A Expired - Fee Related CN102832426B (en) | 2012-09-13 | 2012-09-13 | Novel thermal management component of lithium ion battery |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20150105045A (en) * | 2014-03-07 | 2015-09-16 | 현대모비스 주식회사 | Heat-pipe assembly having heating and cooling function, battery module for eco-friendly vehicle using of the heat-pipe assembly, method for manufacturing of the heat-pipe assembly, method for manufacturing of the battery module, and method for operating of the battery module |
| CN106329029A (en) * | 2015-06-30 | 2017-01-11 | 比亚迪股份有限公司 | Cooling plate, lithium ion battery module and automobile |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2591520B1 (en) * | 2010-07-01 | 2019-06-05 | Johnson Controls Advanced Power Solutions LLC | Thermal management of a battery system |
| EP2660899B1 (en) * | 2010-12-28 | 2018-08-29 | LG Chem, Ltd. | Battery module storage device, and electric power storage system having same |
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- 2012-09-13 CN CN201210337791.8A patent/CN102832426B/en not_active Expired - Fee Related
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| CN102832426A (en) | 2012-12-19 |
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Effective date of registration: 20190419 Address after: 252000 No.5 Office Building of Caijin Building, 111 Changjiang Road, Liaocheng High-tech Zone, Shandong Province Patentee after: Shandong Massive New Materials Technology Co.,Ltd. Address before: Room 301, Building 503 Xingguo Road, Qianjiang Economic Development Zone, Hangzhou City, Zhejiang Province Patentee before: Hangzhou Wanhaowanjia New Energy Technology Co.,Ltd. |
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Granted publication date: 20150408 Termination date: 20210913 |
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