CN103620862A - Battery module comprising a battery cell stack made of at least two battery cells having passive climate control, and motor vehicle - Google Patents
Battery module comprising a battery cell stack made of at least two battery cells having passive climate control, and motor vehicle Download PDFInfo
- Publication number
- CN103620862A CN103620862A CN201280021820.8A CN201280021820A CN103620862A CN 103620862 A CN103620862 A CN 103620862A CN 201280021820 A CN201280021820 A CN 201280021820A CN 103620862 A CN103620862 A CN 103620862A
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- CN
- China
- Prior art keywords
- unit
- pcm
- battery
- secondary battery
- battery module
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- 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.)
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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
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/659—Means for temperature control structurally associated with the cells by heat storage or buffering, e.g. heat capacity or liquid-solid phase changes or transition
-
- 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
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
-
- 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
- H01M10/64—Heating or cooling; Temperature control characterised by the shape of the cells
- H01M10/647—Prismatic or flat cells, e.g. pouch cells
-
- 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
- H01M10/6554—Rods or plates
- H01M10/6555—Rods or plates arranged between the cells
-
- 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
- H01M10/6569—Fluids undergoing a liquid-gas phase change or transition, e.g. evaporation or condensation
-
- 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 invention relates to a battery module comprising a battery cell stack (10) made of at least two battery cells (11), wherein each battery cell (11) is contacted by at least one PCM-containing cell (12) that is inserted into the battery cell stack (10). Thus, the thermal path length between each PCM molecule and the battery is very short, whereby an improved passive climate control of the battery cells is achieved. In addition, the invention relates to a design of the battery module as a rechargeable lithium-ion battery and to a motor vehicle.
Description
Technical field
The present invention relates to have battery module and the vehicle of the secondary battery unit heap being formed by least two secondary battery units.
Background technology
According to power demand, for lasting reliable and economic operation, only allow to drive battery module particularly lithium-ions battery or storage battery in the temperature range of regulation.At considering efficiency with aging as far as possible lentamente in the situation that, in the scope according to the composition of lithium-ions battery between 30 ℃ and 40 ℃, provide optimum operating temperature.
For regulating optimum operating temperature, for example, the in the situation that of using lithium-ions battery in vehicle, conventionally use cooling and kind of refrigeration cycle, the secondary battery unit of the heating that is in operation so that cooling.For this secondary battery unit pushes on coldplate or cold plate, by coldplate or cold plate, can derive heat.Alternatively, by Peltier element or carry out the cooling of unit or heating by the directed temperature flow surperficial adjusting temperature or that do not regulate temperature of crossing secondary battery unit simply.
Outside above-mentioned active temperature adjusted design scheme (Klimatisierungskonzept), there is such possibility: the optimum temperature that proposes secondary battery unit by passive temperature adjusted design scheme regulates.At this, the heat producing in storage battery is absorbed and again to storage battery, is exported when battery system is cooling by the surrounding environment of unit.For representing passive temperature adjusted design scheme, so-called " Phase changing Materials (phase-change material) " (PCM) is applicable to, and it can absorb amount of heat and can again export this heat lower than fusing point in the situation that by changing mutually more than the fusing point of regulation.Use the advantage of PCM to be, can remain on as far as possible longways in the scope of optimum operating temperature by storage battery.Use the shortcoming of PCM to be, it mostly is liquid when changing mutually, and therefore must be placed in the container of sealing, this container must with to carry out thermoregulator system thermal coupling.
Here can relate to the PCM of microencapsulation (mikroverkapselt), it directly distributes and puts into storage battery.This design is described in US20060063066A1.From CN201378601Y and US5449571A1, also know, PCM is arranged in the visual container of naked eyes, and secondary battery unit self embeds wherein.
By using aptly PCM, in storage battery, the heat of of short duration generation should be rapidly absorbed, and the temperature of storage battery remains on farthest environment output towards periphery again under optimum allowable temperature and before resetting vehicle altogether as far as possible longways.At this, the shortcoming in the situation that of quick absorption and quantity of heat given up is that PCM generally has very little capacity of heat transmission.
Summary of the invention
According to the invention provides a kind of battery module with prismatic secondary battery unit heap for, this secondary battery unit heap has at least two secondary battery units, and wherein each secondary battery unit is inserted in unit in secondary battery unit heap, that comprise phase-change material/PCM contact by least one.
In an advantageous manner, by battery module of the present invention (it has the passive temperature to secondary battery unit being caused by the unit that comprises PCM and regulates), can comprise rapidly the PCM volume of unit of PCM and the exchange heat between single secondary battery unit, so that can keep reliably optimum scope for the operating temperature of secondary battery unit because the arrangement minimizes by layering the hot path length between each PCM molecule and secondary battery unit.
Professional can know the common material using as PCM from prior art.They are when the changing mutually of solid-liquid, to have the heat accumulating in high heat content and the scope of fusing point in hope.
The amount of the material needing in comprising the unit of PCM is wanted the heat generation of buffer memory from day-to-day operation, and day-to-day operation is shorter than the daily resting stage of system significantly in ideal conditions.
Preferably, between every two secondary battery units, a unit that comprises PCM is set, so that the layout of the units alternately that produces secondary battery unit and comprise PCM.At this, each secondary battery unit in secondary battery unit heap is adjacent with two unit that comprise PCM.According to of the present invention preferred embodiment a kind of, also for being positioned at the secondary battery unit of end, provide such layout, so that there is the unit that comprises PCM more than secondary battery unit at that time in secondary battery unit heap.
For optimizing the heat exchange between secondary battery unit and PCM, secondary battery unit and the unit that comprises PCM respectively have one can heat conduction shell, it is preferably manufactured with metal.Metal allows to manufacture economically and no problemly shell.
Preferably, secondary battery unit is chosen size in this wise with the shell of the unit that comprises PCM, so that produce rectangular or prismatic secondary battery unit heap, this secondary battery unit heap can arrange no problemly and be clamped where necessary in corresponding battery cell case, that is to say that secondary battery unit is identical with the contact-making surface of the unit that comprises PCM, wherein corresponding to the heat that will absorb matchingly custom pack containing the width of the unit of PCM, to guarantee that optimum temperature regulates.
The present invention is the layered arrangement of secondary battery unit and the unit that comprises PCM with respect to the advantage of prior art, make thus the hot contact-making surface between PCM and secondary battery unit maximize, otherwise and without embedding storage battery in the container that is embedded in the PCM of microencapsulation at storage battery or is comprising PCM.
According to a kind of particularly preferred execution mode, the unit that comprises PCM in inside, have in the matrix of a heat conduction or the scope of a kind of conductive structure-these two concepts at this specification be synonym-, PCM is embedded in the matrix or conductive structure of heat conduction, and the matrix of heat conduction or conductive structure are thermally coupled to shell.Guarantee reliably that thus the wall of the unit from comprising PCM is to the heat transmission of PCM volume.
PCM is embedded in the matrix of the heat conduction in PCM container and maximized the contact-making surface between PCM and secondary battery unit and further reduced the little path of the thermal conductivity in PCM.
This conductive structure or matrix can exist with unordered structure, orderly structure or their combination.Importantly, this conductive structure has the surface of a high-performance standard altogether, produces thus the large contact-making surface for PCM.
Suitable conductive structure is for example wire, especially with the form of compression, and foam or grid, the metal film that they where necessary can enough heat conduction is reeled and/or is arranged in layering.Preferred material is the analogs such as steel wool, foamed aluminium.
According to another preferred embodiment of battery module, it has at least one coldplate or evaporator plate, it is connected with heat conduction with the unit that comprises PCM, so that can be in an advantageous manner for balance heat budget takes out or supplies with to it heat of controlling from the unit that comprises PCM.
This plate can be pressed at least one side of secondary battery unit heap and the unit that therefore contact comprises PCM.Certainly also can contact secondary battery unit at that time, so that it also can be by temperature adjustment effectively if desired.
Optional scheme is in addition, also at least one coldplate or evaporator plate can be arranged in secondary battery unit heap, adjacent with the unit that comprises PCM, preferably between two unit that comprise PCM.Particularly preferably, a plurality of coldplates or evaporator plate are uniformly distributed on secondary battery unit heap, make to contact the unit of all PCM of comprising.
Like this can be in an advantageous manner exporting continuously from battery module at the heat of battery module generation in service, for example, when to battery module external charging, at this, can the heat of excessive existence be derived by cool cycles or kind of refrigeration cycle simultaneously.
The in the situation that this using battery module especially in vehicle, wish, because at utmost environment output towards periphery again of most of heat before resetting vehicle, PCM can reuptake the heat producing in storage battery thus.
By suitable selection storage battery and the operation strategy of cooling/kind of refrigeration cycle if desired, can be economically and the temperature that changes reliably battery module regulate.
Preferably, the shell of the unit that comprises PCM has the pressure compensation element of waterproof, and it is connected the inner space of unit with surrounding environment, so that guarantee, when temperature fluctuation, unit is ventilated.
According to a kind of particularly preferred execution mode of battery module, it is constructed as lithium-ions battery.
In addition theme of the present invention is a kind of vehicle, and it has for driving the electric drive motor and foundation storage battery of the present invention, especially lithium-ions battery that be connected with this electric drive motor or attachable of vehicle.
Favourable improvement project of the present invention has been described in the dependent claims.
Accompanying drawing explanation
Embodiments of the invention are explained in explanation with reference to the accompanying drawings and below in detail.In accompanying drawing:
Fig. 1 represents the secondary battery unit heap with the battery module of pressure strip of the present invention with routine view,
Fig. 2 represents the secondary battery unit heap of the battery module of the unit that comprises PCM with different execution modes of the present invention with end view,
Fig. 3 represents the secondary battery unit heap with the battery module of pressure strip and coldplate or evaporator plate of the present invention with end view, and
Fig. 4 represents two secondary battery units with a unit that comprises PCM with end view, and this unit that comprises PCM has pressure compensation element.
Embodiment
Fig. 1 represents a heap of the secondary battery unit for battery module 10, it has secondary battery unit 11, the unit 12 that comprises PCM is set between secondary battery unit 11, wherein two ends at secondary battery unit heap 10 also respectively have a unit that comprises PCM 12, so that each secondary battery unit 11 is contacted by a unit that comprises PCM 12 on two relative sides.In addition, at two ends of secondary battery unit heap 10, a pressure strip 13 is set respectively, so that secondary battery unit heap 10 can be not shown by suitable equipment-here-compressing, this point is necessary especially in the situation that constructing as lithium-ions battery.Secondary battery unit 11 and the unit 12 that comprises PCM have respectively the shell 14,15 that the material by heat conduction forms.In the inside, unit that comprises PCM, a heat structure 16 is set, it is embedded in PCM17.
According to the secondary battery unit heap 10 of Fig. 2, show four kinds of different execution mode a, b, c, d of the unit 12 that comprises PCM.The conductive structure 16 of execution mode a is that form is the unordered structure of the steel wool of compression.In execution mode b, conductive structure 16 is also used steel wool, yet it additionally reels in a metal film.The metal film of reeling, is not used steel wool specifically, in execution mode c, as conductive structure 16, uses.On the other hand, the orderly structure that heat structure 16 is metal grate by form in execution mode d forms.
Fig. 3 represents a secondary battery unit heap 10, its heap of secondary battery unit corresponding to Fig. 1 10.At this, additionally, along a side of secondary battery unit heap 10, place a coldplate 18, so that can additionally bearing effective temperature with the unit 12 that comprises PCM, secondary battery unit 11 regulates.
Fig. 4 represents two secondary battery units 11 with a unit that comprises PCM 12 arranging betwixt, and the unit 12 that wherein comprises PCM has a pressure compensation element 19 in shell 15.
Claims (10)
1. a battery module, it has a secondary battery unit heap (10) being comprised of at least two secondary battery units (11), it is characterized in that, wherein each secondary battery unit (11) is inserted in unit (12) in described secondary battery unit heap (10), that comprise PCM contact by least one.
2. battery module according to claim 1 wherein, arranges a unit that comprises PCM (12) between every two secondary battery units (11).
3. battery module according to claim 1 and 2, wherein, each secondary battery unit (11) is arranged between two unit that comprise PCM (12).
4. according to the battery module one of claim 1 to 3 Suo Shu, wherein, described secondary battery unit (11) and described in comprise PCM unit (12) respectively there is the shell (14,15) of a heat conduction.
5. according to the battery module one of claim 1 to 4 Suo Shu, wherein, it is interior and compacted where necessary that described battery module is arranged on battery cell case.
6. according to the battery module one of claim 1 to 5 Suo Shu, wherein, the unit of the described PCM of comprising (12) has matrix or the conductive structure (16) of a heat conduction in inside, described PCM (17) is embedded in the matrix or described conductive structure (16) of described heat conduction, and the matrix of described heat conduction or described conductive structure (16) are thermally coupled to the shell (15) of each unit that comprises PCM (12).
7. according to the battery module one of claim 1 to 6 Suo Shu, wherein, each unit that comprises PCM (12) is connected with heat conduction with at least one coldplate (18) or evaporator plate.
8. according to the battery module one of claim 1 to 7 Suo Shu, wherein, described in comprise PCM the shell (15) of unit (12) there is pressure compensation element (19).
9. according to the battery module one of claim 1 to 8 Suo Shu, wherein, battery module is constructed as lithium-ions battery.
10. a vehicle, it has for driving the electric drive motor of this vehicle with that be connected with this electric drive motor or attachable according to the storage battery one of claim 1 to 9 Suo Shu.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102011075462.8 | 2011-05-06 | ||
| DE201110075462 DE102011075462A1 (en) | 2011-05-06 | 2011-05-06 | Battery module a battery cell stack of at least two battery cells having a passive air conditioning and motor vehicle |
| PCT/EP2012/056880 WO2012152535A1 (en) | 2011-05-06 | 2012-04-16 | Battery module comprising a battery cell stack made of at least two battery cells having passive climate control, and motor vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103620862A true CN103620862A (en) | 2014-03-05 |
Family
ID=45998315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280021820.8A Pending CN103620862A (en) | 2011-05-06 | 2012-04-16 | Battery module comprising a battery cell stack made of at least two battery cells having passive climate control, and motor vehicle |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN103620862A (en) |
| DE (1) | DE102011075462A1 (en) |
| WO (1) | WO2012152535A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104617350A (en) * | 2015-01-04 | 2015-05-13 | 华中科技大学 | Power battery cooling system based on core-cladding-structure composite phase-change heat storage layer |
| CN106532152A (en) * | 2016-12-07 | 2017-03-22 | 深圳市净相科技有限公司 | Rectifying device of unmanned aerial vehicle battery pack |
| CN106627238A (en) * | 2017-01-16 | 2017-05-10 | 国网山东省电力公司龙口市供电公司 | Electromobile charging pile and electromobile charging control device |
| CN107959092A (en) * | 2016-06-08 | 2018-04-24 | 锂能源和电力有限责任两合公司 | Method for controlling battery cell temperature |
| CN109947154A (en) * | 2019-02-28 | 2019-06-28 | 深圳市新浦自动化设备有限公司 | Battery formation fixture temperature regulating device and Battery formation temperature control method |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9312580B2 (en) * | 2013-07-30 | 2016-04-12 | Johnson Controls Technology Company | Battery module with phase change material |
| ITMI20132047A1 (en) * | 2013-12-09 | 2015-06-10 | Fiamm Energy Storage Solutions S P A | SYSTEM FOR TEMPERATURE CONTROL IN BATTERIES CONSISTING OF HIGH TEMPERATURE CELLS BASED ON SODIUM |
| FR3015780A3 (en) * | 2013-12-23 | 2015-06-26 | Renault Sa | SYSTEM FOR HOLDING A BATTERY TEMPERATURE. |
| DE102015220335A1 (en) * | 2015-10-19 | 2017-04-20 | Robert Bosch Gmbh | Battery cell with integrated cooling element |
| DE102015220434A1 (en) | 2015-10-20 | 2017-04-20 | Robert Bosch Gmbh | Tempering device of an electrical energy storage unit |
| US20220217875A1 (en) * | 2019-04-05 | 2022-07-07 | Phase Change Energy Solutions, Inc. | Thermal Management Devices and Methods |
| DE102021001215A1 (en) * | 2021-03-08 | 2022-09-08 | Mercedes-Benz Group AG | Supplementary cooling device |
| DE102021005260A1 (en) | 2021-10-21 | 2021-12-09 | Daimler Ag | Cooling device for an electrical energy store of a motor vehicle, in particular a motor vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US5449571A (en) | 1993-11-29 | 1995-09-12 | Store Heat And Produce Energy, Inc. | Encapsulations for thermal management system for battery |
| CN201378601Y (en) | 2009-03-20 | 2010-01-06 | 徐敖奎 | Temperature control shell of lithium battery pack |
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2011
- 2011-05-06 DE DE201110075462 patent/DE102011075462A1/en not_active Withdrawn
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2012
- 2012-04-16 CN CN201280021820.8A patent/CN103620862A/en active Pending
- 2012-04-16 WO PCT/EP2012/056880 patent/WO2012152535A1/en active Application Filing
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20030054230A1 (en) * | 2000-02-29 | 2003-03-20 | Said Al-Hallaj | Battery system thermal management |
| US20090004556A1 (en) * | 2000-02-29 | 2009-01-01 | Said Al-Hallaj | Battery system thermal management |
| CN1993846A (en) * | 2004-08-06 | 2007-07-04 | 株式会社Lg化学 | Battery system containing phase change materia containing capsules in interior configuration thereof |
| US20070292751A1 (en) * | 2006-06-15 | 2007-12-20 | Jing-Yih Cherng | Battery Apparatus with Heat Absorbing Body |
| CN101627501A (en) * | 2007-02-27 | 2010-01-13 | 戴姆勒股份公司 | Electrochemical single cells for a battery and battery |
| DE102009000673A1 (en) * | 2008-05-21 | 2009-11-26 | Robert Bosch Gmbh | Battery pack and hand tool with a battery pack |
| CN101740841A (en) * | 2008-11-12 | 2010-06-16 | 宝马股份公司 | Device for power supply of automobile |
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| CN201804879U (en) * | 2010-05-05 | 2011-04-20 | 王盛平 | Light-concentration solar energy battery component with heat exchanger |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104617350A (en) * | 2015-01-04 | 2015-05-13 | 华中科技大学 | Power battery cooling system based on core-cladding-structure composite phase-change heat storage layer |
| CN107959092A (en) * | 2016-06-08 | 2018-04-24 | 锂能源和电力有限责任两合公司 | Method for controlling battery cell temperature |
| CN106532152A (en) * | 2016-12-07 | 2017-03-22 | 深圳市净相科技有限公司 | Rectifying device of unmanned aerial vehicle battery pack |
| CN106627238A (en) * | 2017-01-16 | 2017-05-10 | 国网山东省电力公司龙口市供电公司 | Electromobile charging pile and electromobile charging control device |
| CN109947154A (en) * | 2019-02-28 | 2019-06-28 | 深圳市新浦自动化设备有限公司 | Battery formation fixture temperature regulating device and Battery formation temperature control method |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102011075462A1 (en) | 2012-11-08 |
| WO2012152535A1 (en) | 2012-11-15 |
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Application publication date: 20140305 |