CN102593538A - Power lithium-ion battery with temperature equalizing connection function - Google Patents
Power lithium-ion battery with temperature equalizing connection function Download PDFInfo
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- CN102593538A CN102593538A CN201210030566XA CN201210030566A CN102593538A CN 102593538 A CN102593538 A CN 102593538A CN 201210030566X A CN201210030566X A CN 201210030566XA CN 201210030566 A CN201210030566 A CN 201210030566A CN 102593538 A CN102593538 A CN 102593538A
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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 relates to a power lithium-ion battery with a temperature equalizing connection function. The power lithium-ion battery comprises a battery cell which is provided with a battery anode connection portion and a battery cathode connection portion, the battery cell is covered with a heat equalizing material outside and is arranged inside a battery call casing, the heat equalizing material extends outside the battery call casing, and the heat equalizing material outside the battery call casing serves as a first outside connection portion. According to the power lithium-ion battery with the temperature equalizing connection function, the battery has a uniform temperature on the whole when used.
Description
Technical field
The present invention relates to technical field of lithium batteries, particularly relate to a kind of dynamic lithium battery with temperature equalization linkage function.
Background technology
In all application processes of battery, temperature consistency parallel with one another or each monomer of series connected battery will be very important, and the consistency of its temperature will directly influence the consistency of battery cell capacity; Because the application scenario of a lot of occasion, especially pure electric automobiles, battery are to be exceeded the series connection of up to a hundred battery cells and to constitute, its charging process and discharge process are all connected and are being used.
The battery cell of connecting has constituted application system high voltage characteristic, such as, a pure electronic public transport big bus car, its rated voltage is 600VDC, system adopts greater than parallel connection back series connection the carrying out work earlier of a hundreds of monomer.In order to guarantee the capacity consistency of cell; At first must guarantee the temperature control in the applied environment; Must temperature be controlled in the temperature range that cell can bear; When the ambient temperature of battery has been controlled at when being suitable for most the battery operation temperature, the monomer of battery with steady operation, keep battery well discharge and recharge characteristic.
Except controlling battery operated effective temperature point, also must control cell integrated temperature gradient well.Have only and satisfied above-mentioned 2 points simultaneously, could the operating condition of battery be remained under the stable system and operate, just can make application system reliable and stable.
The development of pure electric automobile lets people see the contribution that dynamic lithium battery is made, and simultaneously, makes people be concerned about battery temperature again, and the inconsistency in temperature field is brought on the pure electric automobile worry and problem.When its temperature of the battery on the pure electric automobile can not get being limited to an effective range; When the gradient in temperature field can not be limited at very little scope when (3～5 degree); It is very poor that the applied environment of battery will become, and capacity also difference can occur, and its result just makes the distance travelled of pure electric automobile can not get guaranteeing; Continual mileage after its charging can become more little approximately, and also shorten the useful life of battery thereupon.
At present, the application scenario of all batteries all is that outside heat radiation and the soaking through battery solves this problem; Owing to adopted outside mode to solve the variation of inside battery; Therefore, system's more complicated and huge that will become feels it is beyond one's ability to help sometimes.Inventor of the present invention can find, nowadays, basically all is because the problem of battery at all pure electric automobiles; And caused the instability of continual mileage; The inclined to one side weak point of continual mileage though people have adopted the solution of a lot of outside batteries, is attempted to let battery operated in good temperature environment; Let battery have very little temperature gradient field, but a lot of occasion, many times often effect can not be satisfactory.Its name of the game is that the physical method that all solutions all are based on outside batteries makes that the battery limit is warm or set up stable temperature field that therefore the meeting sensory effect is undesirable or unstable.
Summary of the invention
Technical problem to be solved by this invention provides a kind of dynamic lithium battery with temperature equalization linkage function, and temperature is consistent on the whole can to make battery in use.
The technical solution adopted for the present invention to solve the technical problems is: a kind of dynamic lithium battery with temperature equalization linkage function is provided; Comprise battery cell; Said battery cell is provided with anode coupling part and GND coupling part; Said battery cell is surrounded by the soaking material outward; The said battery cell that is surrounded by equal hot material is placed in the battery cell shell, and said equal hot material extends to outside the said battery cell shell, and the equal hot material outside said battery cell shell is as the first external connecting branch.
Said equal hot material outsourcing has insulating material.
Said first external connecting branch stretches out from battery cell shell upper end.
Said first external connecting also is provided with the second external connecting branch on dividing, and said second external connecting is divided with said first external connecting and divided vertical connection the each other.
Said first external connecting branch is provided with first connecting hole.
Said second external connecting branch is provided with second connecting hole.
Beneficial effect
Owing to adopted above-mentioned technical scheme, the present invention compared with prior art has following advantage and good effect: the present invention adopts one or more Heat Conduction Materials; At first the temperature with each position of inside battery is even; Again this Heat Conduction Material is done local extension, in the process of using, as long as the equal hot material of extension is carried out the external physical connection; Temperature is consistent on the whole just to make all batteries in using, and battery temperature field unified in the application process also is established thereupon.
Because the present invention has been arranged, in application system, particularly the battery temperature field of a pure electric automobile by unification, battery cell temperature inside by unification; Thus; In the useful life of battery, the external system effect will be very consistent, and the continual mileage of pure electric automobile is with elongated and stable.
Description of drawings
Fig. 1 is a dynamic lithium battery structural representation of the present invention;
Fig. 2 is a dynamic lithium battery modular structure sketch map of the present invention.
Embodiment
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiment only to be used to the present invention is described and be not used in the restriction scope of the present invention.Should be understood that in addition those skilled in the art can do various changes or modification to the present invention after the content of having read the present invention's instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
Execution mode of the present invention relates to a kind of dynamic lithium battery with temperature equalization linkage function; As shown in Figure 1; Comprise battery cell; Said battery cell is provided with anode coupling part 2 and GND coupling part 3, and said battery cell is surrounded by soaking material 4 outward, and the said battery cell that is surrounded by equal hot material 4 is placed in the battery cell shell 1; Said equal hot material 4 extends to outside the said battery cell shell 1, and the equal hot material 4 outside said battery cell shell 1 divides 5 as first external connecting.
Wherein, all hot material 4 is positioned in inside battery, is used to realize monomer temperature inside consistency, what deserves to be mentioned is, the soaking properties of materials is to have adopted the material that has with big heat transfer system to serve as.Because a lot of materials can both satisfy this characteristic demand, all hot material can be the aluminium alloy with fine thermal conduction characteristic, also can be the composite heat-conducting body of filling Heat Conduction Material.
Be surrounded by insulating material 6 outside the said equal hot material 4, the equal hot material 4 of 6 pairs of inside batteries of this insulating material insulate.Insulating material 6 is used for the battery radiator portion is carried out insulation processing, in the inside of battery, can make not influencing mutually between the battery various piece, and can accomplish the insulation isolation to the mutual connection between outside battery cell.
Said first external connecting divides 5 to stretch out from battery cell shell 1 upper end, and first external connecting divides 5 to be external extensions of the equal hot material in inside of battery cell.Consider the outside convenience that connects, therefore, this first external connecting is divided 5 can be from the extension of battery upper end.Said first external connecting is divided and also is provided with second external connecting on 5 and divides 7, and said second external connecting divides 7 to divide for 5 mutual vertical connections with said first external connecting.Second external connecting divides 7 equally also to be the inner all external extensions of hot material 4 of battery cell.Consider that outside connection can be more convenient, therefore, second external connecting divides 7 to divide 5 perpendicular to first external connecting.
Said first external connecting divides 5 to be provided with first connecting hole 8.Said second external connecting divides 7 to be provided with second connecting hole 9.The connecting hole that battery heat radiation external connecting is divided is the mutual connection of the radiator material of each battery between mutually for ease.Through each cell that connects, get so that reach unanimity in the cell integrated temperature field of battery applications system, thereby the capacity of entire cell application system is remained on the horizontal line.
Production process of the present invention is following:
In the indoor design process of battery production; Except the indispensable production process of the battery of routine, also need select a kind of temperature diffusivity more excellent equal hot material relatively, pass through insulation processing again after; It is surrounded the structure of battery; Battery cell after besieged is positioned in the cell shell, and like this, each material of the inside of battery and structural member are disposed by samming.This is that the samming of inside battery is handled.Then, this material is done prolongation, prolongation is extended battery cell, and the part of stretching out is used for application system with fixing, lead temperature between mutually between each battery cell.
In an application system, such as, on a pure electric automobile, the fixed connection between material carries out mutually preferably with heat conductivility with its extension of all cells is all done unified fixing with all parallel connections or series connected battery.Cause all cells on same radiator, to accomplish effective samming like this, relative unanimity has been accomplished in its temperature field.Moreover, operated near the good temperature spot of characteristic by the cell after connecting in order to make all, the connection heating panel (or material) of using system is dispelled the heat.
Because cell has adopted this equal hot material; Realized inner soaking and the outside soaking that is connected, therefore, the temperature of whole application system or pure electric automobile battery has realized the control of optimizing; Thereby make and obtained prolongation in useful life of battery; The battery applications system, the use of energy tends towards stability, and the continual mileage of pure electric automobile is stabilized and increased.
As shown in Figure 2, the synthetic module of the cell module groups after adding heating panel, at this moment, all monomers have been realized soaking.What deserves to be mentioned is that when battery system need heat up, only need the heat radiation brace at top is carried out localized heat transfer, the total system of battery will be heated up simultaneously, and temperature is consistent.This point uses pure electric automobile to have very meaning in the ultralow temperature area.
Be not difficult to find; The present invention adopts one or more Heat Conduction Materials, and at first the temperature with each position of inside battery is even, again this Heat Conduction Material is done local extension; In the process of using; Connect as long as the equal hot material of extension is carried out external physical, just can make all batteries in using temperature unanimity on the whole, battery temperature field unified in the application process also is established thereupon.
Claims (6)
1. dynamic lithium battery with temperature equalization linkage function; Comprise battery cell; Said battery cell is provided with anode coupling part (2) and GND coupling part (3); It is characterized in that said battery cell is surrounded by soaking material (4) outward, the said battery cell that is surrounded by equal hot material (4) is placed in the battery cell shell (1); Said equal hot material (4) extends to outside the said battery cell shell (1), and the equal hot material (4) outside said battery cell shell (1) is as the first external connecting branch (5).
2. the dynamic lithium battery with temperature equalization linkage function according to claim 1 is characterized in that, the outer insulating material (6) that is surrounded by of said equal hot material (4).
3. the dynamic lithium battery with temperature equalization linkage function according to claim 1 is characterized in that, the said first external connecting branch (5) stretches out from battery cell shell (1) upper end.
4. the dynamic lithium battery with temperature equalization linkage function according to claim 3; It is characterized in that; Also be provided with the second external connecting branch (7) on the said first external connecting branch (5), said second external connecting branch (7) and mutual vertical connection of the said first external connecting branch (5).
5. according to the described dynamic lithium battery of arbitrary claim among the claim 1-4, it is characterized in that the said first external connecting branch (5) is provided with first connecting hole (8) with temperature equalization linkage function.
6. the dynamic lithium battery with temperature equalization linkage function according to claim 4 is characterized in that, the said second external connecting branch (7) is provided with second connecting hole (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210030566XA CN102593538A (en) | 2012-02-10 | 2012-02-10 | Power lithium-ion battery with temperature equalizing connection function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210030566XA CN102593538A (en) | 2012-02-10 | 2012-02-10 | Power lithium-ion battery with temperature equalizing connection function |
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| CN102593538A true CN102593538A (en) | 2012-07-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106654383A (en) * | 2017-01-08 | 2017-05-10 | 合肥国轩高科动力能源有限公司 | High-speed external film coating equipment of battery |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101593820A (en) * | 2008-05-30 | 2009-12-02 | 上海空间电源研究所 | A kind of lithium ion battery compound module |
| CN201387911Y (en) * | 2008-12-12 | 2010-01-20 | 上海万宏动力能源有限公司 | Storage battery module |
| US20110189523A1 (en) * | 2010-02-04 | 2011-08-04 | Kiyeol Eom | Cooling apparatus of a battery module |
| CN202067875U (en) * | 2011-05-12 | 2011-12-07 | 比亚迪股份有限公司 | Flexibly packaged battery and battery pack thereof |
| CN202550015U (en) * | 2012-02-10 | 2012-11-21 | 上海索锂科技有限公司 | Power lithium battery with temperature balance connecting function |
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- 2012-02-10 CN CN201210030566XA patent/CN102593538A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101593820A (en) * | 2008-05-30 | 2009-12-02 | 上海空间电源研究所 | A kind of lithium ion battery compound module |
| CN201387911Y (en) * | 2008-12-12 | 2010-01-20 | 上海万宏动力能源有限公司 | Storage battery module |
| US20110189523A1 (en) * | 2010-02-04 | 2011-08-04 | Kiyeol Eom | Cooling apparatus of a battery module |
| CN202067875U (en) * | 2011-05-12 | 2011-12-07 | 比亚迪股份有限公司 | Flexibly packaged battery and battery pack thereof |
| CN202550015U (en) * | 2012-02-10 | 2012-11-21 | 上海索锂科技有限公司 | Power lithium battery with temperature balance connecting function |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106654383A (en) * | 2017-01-08 | 2017-05-10 | 合肥国轩高科动力能源有限公司 | High-speed external film coating equipment of battery |
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Application publication date: 20120718 |