EP2481108A1 - Battery system with external baffle coolant - Google Patents
Battery system with external baffle coolantInfo
- Publication number
- EP2481108A1 EP2481108A1 EP10745219A EP10745219A EP2481108A1 EP 2481108 A1 EP2481108 A1 EP 2481108A1 EP 10745219 A EP10745219 A EP 10745219A EP 10745219 A EP10745219 A EP 10745219A EP 2481108 A1 EP2481108 A1 EP 2481108A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cooling
- battery system
- fluid flow
- plate
- battery
- 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.)
- Ceased
Links
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
- H01M10/60—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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/204—Racks, modules or packs for multiple batteries or multiple 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
- H01M10/61—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
- H01M10/655—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
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
-
- 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
- H01M10/6566—Means within the gas flow to guide the flow around one or more cells, e.g. manifolds, baffles or other barriers
-
- 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
- H01M10/651—Means for temperature control structurally associated with the cells characterised by parameters specified by a numeric value or mathematical formula, e.g. ratios, sizes or concentrations
- H01M10/652—Means for temperature control structurally associated with the cells characterised by parameters specified by a numeric value or mathematical formula, e.g. ratios, sizes or concentrations characterised by gradients
-
- 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
-
- 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
Definitions
- the present invention provides a battery system with impingement cooling, comprising:
- a cooling plate located outside the housing; and iv) one or more passive heat conducting means arranged in such a way that thermal energy can be transmitted from the battery cells out of the housing interior to the cooling plate via the passive heat conducting means, characterized in that
- the battery system has an impingement cooling for the convective transfer of heat energy from the cooling plate to a fluid flow, wherein the impingement cooling is configured such that a fluid flow for receiving heat energy is substantially perpendicular to a surface of the cooling plate feasible.
- the heat energy produced in the cells is first conducted conductively via passive heat conducting means, such as cooling plates which are contacted with one or more lateral surfaces of the cells, to a cooling plate outside the housing. From there, the heat energy is transferred convectively to a fluid flow by means of impingement cooling with which locally very high heat transfer coefficients can be achieved.
- passive heat conducting means such as cooling plates which are contacted with one or more lateral surfaces of the cells
- Under impingement cooling is understood to mean a cooling device, which is characterized in that a fluid flow for receiving heat energy substantially perpendicular to a heat-emitting surface and there generates a so-called "wall-jet", ie, the fluid flow is from the impact location in the radial direction on the Very high heat transfer rates can be achieved around the center of the impact location, which decrease with increasing radial distance from the center of the impact
- the battery system according to the invention with impingement cooling allows an efficient temperature regulation of the cells of the battery system by means of a fluid flow, while a fluid flow within of the housing is not necessary and thus measures for the treatment of the fluid are no longer necessary.
- the battery system comprises one or more battery cells.
- the term "battery system” here refers to electrochemical energy Memory understood, in particular batteries or accumulators of all conventional accumulator technologies. It can be batteries or rechargeable batteries of type Pb - lead acid battery, NiCd - nickel-cadmium rechargeable battery, NiH2 - nickel-hydrogen rechargeable battery, NiMH - nickel-metal hydride rechargeable battery, Li-Ion - lithium-ion battery 5, LiPo - lithium battery Polymer Battery, LiFe - Lithium Metal Battery, Li-Mn - Lithium
- Batteries of the type of lead / acid, nickel-cadmium, nickel-metal hydride and / or sodium / sodium nickel chloride battery can be used. Particular preference is given to using batteries of the lithium ion battery type.
- the term "battery system" is used both for individual cells, as well as for module s le of multiple cells, as well as for more complex architectures comprising multiple cells and / or modules.
- the battery system includes one or more battery cells disposed in a common housing.
- a battery system can be a
- Battery cells include.
- the battery system has a common housing, in which all cells or modules of the battery system are arranged, wherein the cooling plate is positioned outside of this common housing.
- housing is to be understood as an apparatus
- a housing may be permanently or temporarily open to the environment in one or two directions.
- the housing delimits the contained battery cells from the environment in all directions, the housing providing closable accesses, e.g. doors
- the housing can be made of a material which comprises or consists of a metal, a metal sheet or a ceramic.
- the battery system according to the invention has at least one cooling plate, which is arranged outside the housing.
- the battery system may have a plurality of cooling plates arranged outside the housing.
- One, several or all of the cooling plates of the battery system may be externally attached to a surface of the housing.
- one, several or all of the cooling plates of the battery system are mounted on an outside of the housing bottom.
- the cooling plates can be an integral part of the housing, provided at least one surface of the cooling plates is directly accessible from outside the housing for the supply of a fluid stream.
- the cooling plate on a solid throughout configured surface, which does not allow direct passage into the housing interior.
- the cooling plates of the battery system are made of a material that has a heat transfer coefficient that allows the fastest possible and effective transfer of heat energy from the cooling plate to the fluid used. Corresponding materials are known to the person skilled in the art.
- the cooling plates preferably comprise or consist of aluminum.
- the battery system according to the invention has one or more passive heat conducting means, which are arranged in such a way that thermal energy can be conductively transferred from the battery cells to the cooling plate via the passive heat conducting means.
- the passive heat conduction can be as large as possible in contact with one or more surfaces of the lateral surface of the battery cells, so that the fastest possible and effective heat transfer from the battery cells to the heat conducting is possible.
- the passive heat conducting means are designed such that an effective heat transfer is ensured both between the cell and the heat conducting means and between the heat conducting means and the cooling plate.
- the passive heat conduction of the battery system are made of a material having a heat transfer coefficient, which allow the fastest possible and effective transfer of heat energy from the battery cell to the heat conducting and the heat transfer to the cooling plate used.
- the passive heat-conducting means are preferably conventional heat-conducting sheets, particularly preferably heat-conducting sheets which contain or consist of aluminum.
- the battery system according to the invention has an impingement cooling for the convective transfer of heat energy from the cooling plate to a flowing fluid, wherein the impingement cooling is configured such that a fluid flow for receiving heat energy can be guided substantially perpendicularly to a surface of the cooling plate.
- the impingement cooling may comprise a distributor plate having at least one inlet for receiving a fluid flow and having on the side facing the cooling plate a plurality of outlets / nozzles, wherein the distributor plate is configured and arranged such that a fluid flow through the inlet into the Distributor plate is introduced and emerges from the distributor plate through the plurality of outlets such that the
- Fluid flow substantially perpendicular to a surface of the cooling plate meets.
- the design of the outlets can be carried out arbitrarily, provided it is ensured that the outlets are suitable for letting the fluid used escape from the distributor plate.
- the outlets may be round, oval, triangular, quadrangular, polygonal, square and / or slit-shaped, with the outlets of a distributor plate being designed to be uniform or different.
- the outlet geometry and arrangement on the distributor plate e.g., outlet density per
- Manifold plate area, sizing of the exhaust ports may be varied as needed to provide suitable cooling for any desired battery type or battery capacity.
- the person skilled in the art can determine, without undue effort, by routine experiments alone, suitable parameters for the outlet geometry and arrangement for a given, given battery system.
- the distributor plate may be mounted so that it is directly and directly connected to the cooling plate. Alternatively, other devices may be provided which are positioned between the distributor plate and the cooling plate.
- the impingement cooling of the battery system according to the invention can have a fluid distribution system which is designed in such a way that a fluid flow having a predetermined flow rate can be generated at the respective outlets of the distributor plate.
- the advantage of such a Fluidverteil- system is that so that at the respective outlets the desired amount of
- the fluid distribution system is designed such that at a plurality and / or all outlets of the distributor plate, a fluid flow at substantially the same flow rate can be generated. This ensures that the cooling capacity across the surface facing the cooling plate is uniform and homogeneous.
- a fluid distribution system may for example be formed as a separate device, which is positioned between the distributor plate and the cooling plate. However, such a fluid distribution system can also be an integral part of a distributor plate.
- a fluid distribution system may have a plurality of fluid flow guides formed and arranged between the inlet and outlets of the distributor plate such that a fluid flow having substantially the same flow rate can be generated at a plurality and / or at all outlets of the distributor plate.
- the fluid flow guides for outlets that are relatively closer to the inlet may be made longer than fluid flow guides for outlets that are relatively further away from the inlet so that the fluid flow from the inlet of the distributor plate has to travel substantially the same distance through which Outlet the fluid flow exits.
- the fluid which is used as the fluid flow for cooling in the battery system according to the invention can in principle be any type of fluid which is suitable for absorbing heat energy from the cooling plate.
- This may be a liquid or gaseous fluid.
- it is a gaseous fluid, in particular it may be air, for example ambient air of the battery system.
- To generate a fluid flow it may be necessary to provide means which set the fluid below a predetermined, controllable and / or controllable pressure and supply the impingement cooling of the battery system according to the invention as pressure fluid flow.
- the fluid flow according to the invention is preferred as the fluid system according to the invention
- the present invention also relates to motor vehicles comprising a battery system according to the invention.
- the term "motor vehicle” is to be understood as meaning all driven vehicles which have an electrochemical energy store, regardless of which drive they drive Have motor vehicles.
- the term “motor vehicle” includes HEV (electric hybrid vehicles), PHEV (plug-in hybrid vehicles), EV (electric vehicles), fuel cell vehicles, as well as all vehicles that use an electrochemical energy store for the electrical energy supply.
- the present invention also relates to a method for cooling a battery system by means of impingement cooling, comprising the steps:
- FIG. 1 schematically shows the structure and operation of a
- FIG. 2 shows schematically the construction and the mode of operation of a battery system according to the invention.
- FIG. 1 the basic structure and operation of an impingement cooling system is shown schematically.
- a fluid flow 2 is guided such that it exits through an outlet 3 from a distributor plate 4 and substantially perpendicular to the body meets, with the temperature exchange is to be accomplished, in this case the cooling plate 1.
- Does the fluid stream 2 on the surface of the cooling plate. 1 a so-called “wall-jet” is generated and the fluid flow is deflected in the radial direction and guided over the surface of the cooling plate 1.
- At around the center of the place of impact there is a transfer of heat energy with very high heat transfer rates.
- FIG. 2 schematically illustrates the structure and mode of operation of an embodiment of a battery system according to the invention.
- the battery system
- the 10 includes a plurality of battery cells 1 1, preferably of lithium-ion cells, which may be combined in one or more modules and are arranged in a common housing 13.
- battery cells 1 1 preferably of lithium-ion cells, which may be combined in one or more modules and are arranged in a common housing 13.
- passive heat conducting 12 preferably 10 heat baffles, attached, conduct the heat energy of the battery cells 1 1 conductively along the direction of the closed arrow toward the cooling plate 14.
- the cooling plate 14 is formed here as a bottom plate, but may also be positioned at other positions outside the housing or on the outer surface of the housing, provided there is a heat-conducting Verl s bond between the passive heat conducting means 12 and the cooling plate 14.
- a distributor plate 15 which is designed as impingement cooling.
- the distributor plate 15 is directly and directly contacted with the housing 13 facing away from the surface of the cooling plate 20. 14.
- the distributor plate 15 is shown separated from the cooling plate 14 only to allow a schematic representation of the operation.
- the distributor plate 15 has an inlet 16 and a plurality of outlets 17, wherein the outlets 17 are positioned on the surface of the distributor plate 15 facing the cooling plate 14.
- the outlets 17 25 are preferably distributed uniformly over the surface of the distributor plate 15 facing the cooling plate 14 at regular intervals.
- the resulting during operation of the battery system 10 in the battery cells 1 1 heat energy is first conductively transported via the passive heat conducting means 12 along the direction indicated by the closed arrow direction of the battery cells 1 1 30 toward the cooling plate 14 and thus led out of the housing 13.
- the cooling plate 14 absorbs the heat energy from the battery cells 1 1 and gives them to an impingement cooling.
- the impingement cooling is designed in the form of a distributor plate 15 and adjoins the cooling plate 14 directly on the side facing away from the housing 13. For cooling, a fluid flow into the distributor plate 15 can be introduced through the inlet 35 16, which then from the
- Distributor plate exits through a plurality of outlets 17 such that the fluid flow is substantially perpendicular to a surface of the cooling plate 14 and receives there heat energy.
- the flow direction of the fluid flow is illustrated by the open arrows.
- Cooling plate 14 reached.
- the fluid flow guide takes place exclusively outside the housing 13 of the battery system 10 and does not enter the interior of the battery system 10, so that it is not necessary to work up the fluid used consuming before it can be used for cooling.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009045012A DE102009045012A1 (en) | 2009-09-25 | 2009-09-25 | Battery system with external impingement cooling |
PCT/EP2010/062000 WO2011035992A1 (en) | 2009-09-25 | 2010-08-18 | Battery system with external baffle coolant |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2481108A1 true EP2481108A1 (en) | 2012-08-01 |
Family
ID=43086311
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10745219A Ceased EP2481108A1 (en) | 2009-09-25 | 2010-08-18 | Battery system with external baffle coolant |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2481108A1 (en) |
DE (1) | DE102009045012A1 (en) |
WO (1) | WO2011035992A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2546904B1 (en) * | 2011-07-15 | 2013-10-02 | Autoliv Development AB | Heat exchanging unit |
KR101503492B1 (en) * | 2013-07-03 | 2015-03-19 | 전북대학교산학협력단 | Liposomes capsule containing lipid and lysosomal enzymes, and manufacturing method thereof |
DE102013015422B4 (en) * | 2013-09-18 | 2015-07-23 | Airbus Defence and Space GmbH | Cooling device for cooling battery cells, battery device and cooling method |
DE102013016620A1 (en) * | 2013-10-08 | 2015-04-09 | Daimler Ag | Electric battery for a vehicle |
US10446893B2 (en) | 2017-01-23 | 2019-10-15 | Ford Global Technologies, Llc | Electrified vehicle battery packs with battery attachment features |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060216582A1 (en) * | 2005-03-25 | 2006-09-28 | Gun-Goo Lee | Secondary battery module |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE7439582U (en) * | 1974-11-28 | 1975-04-10 | Varta Batterie Ag | Device for cooling or heating an accumulator battery consisting of individual cells |
US5257463A (en) * | 1992-05-05 | 1993-11-02 | Eagle-Picher Industries, Inc. | Method and apparatus for cooling or heating battery cells during electrical testing |
US6660418B1 (en) * | 1998-06-15 | 2003-12-09 | Aer Energy Resources, Inc. | Electrical device with removable enclosure for electrochemical cell |
JP4079572B2 (en) * | 2000-04-14 | 2008-04-23 | 松下電器産業株式会社 | Battery pack |
JP3824928B2 (en) * | 2001-12-25 | 2006-09-20 | 本田技研工業株式会社 | Power storage device and vehicle drive device |
DE10214367B4 (en) * | 2002-03-30 | 2006-08-24 | Robert Bosch Gmbh | Energy storage module and hand tool |
US7323272B2 (en) * | 2004-12-29 | 2008-01-29 | Odyne Corporation | Battery enclosure for electric and hybrid electric vehicles optimized for air-cooling |
US20070259258A1 (en) * | 2006-05-04 | 2007-11-08 | Derrick Scott Buck | Battery assembly with temperature control device |
JP4529991B2 (en) * | 2007-04-03 | 2010-08-25 | 株式会社デンソー | Battery cooling device |
-
2009
- 2009-09-25 DE DE102009045012A patent/DE102009045012A1/en not_active Ceased
-
2010
- 2010-08-18 EP EP10745219A patent/EP2481108A1/en not_active Ceased
- 2010-08-18 WO PCT/EP2010/062000 patent/WO2011035992A1/en active Application Filing
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060216582A1 (en) * | 2005-03-25 | 2006-09-28 | Gun-Goo Lee | Secondary battery module |
Also Published As
Publication number | Publication date |
---|---|
DE102009045012A1 (en) | 2011-03-31 |
WO2011035992A1 (en) | 2011-03-31 |
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Effective date: 20130128 |
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Owner name: SAMSUNG SDI CO., LTD. Owner name: ROBERT BOSCH GMBH |
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