EP3900070A1 - Batteriespeichervorrichtung, fahrzeug und verfahren zum herstellen einer batteriespeichervorrichtung - Google Patents
Batteriespeichervorrichtung, fahrzeug und verfahren zum herstellen einer batteriespeichervorrichtungInfo
- Publication number
- EP3900070A1 EP3900070A1 EP19831650.7A EP19831650A EP3900070A1 EP 3900070 A1 EP3900070 A1 EP 3900070A1 EP 19831650 A EP19831650 A EP 19831650A EP 3900070 A1 EP3900070 A1 EP 3900070A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- temperature control
- battery storage
- elements
- storage device
- connection
- 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
Links
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
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
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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
- H01M10/05—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
- H01M10/62—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
-
- 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
- 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
- H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
- H01M50/209—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
-
- 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
- H01M50/218—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material
- H01M50/22—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material of the casings or racks
- H01M50/222—Inorganic material
- H01M50/224—Metals
-
- 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
- H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
-
- 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
- H01M50/271—Lids or covers for the racks or secondary casings
-
- 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
- H01M50/289—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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
- Battery storage device vehicle and method for manufacturing a battery storage device
- the present invention relates to a battery storage device, in particular a battery storage device for a vehicle.
- Battery storage devices especially for vehicles, often require temperature control elements for temperature control of the battery modules and / or battery cells of the battery storage device.
- temperature control elements On the one hand it may be necessary to cool the battery modules and / or battery cells by means of the temperature control elements, on the other hand it may be necessary to heat the battery modules and / or battery cells by means of the temperature control elements.
- temperature control elements which comprise a temperature control channel structure through which a tempering medium for temperature control of the battery cells is passed becomes.
- the battery cells should not come into direct contact with the temperature control medium, in particular with a temperature control liquid.
- problems arise in the area of the temperature control medium supply and the temperature control medium discharge.
- the present invention has for its object to provide a battery storage device which is simple and particularly inexpensive to manufacture and which enables reliable sealing.
- a battery storage device in particular a battery storage device for a vehicle, with the features of claim 1.
- the battery storage device preferably includes the following: a battery storage housing which encloses an interior in which chem or one or more battery modules are accommodated or can be accommodated; one or more temperature control elements through which a temperature control medium can flow for temperature control of one or more battery modules accommodated or receivable in the interior of the battery storage housing, the one or more temperature control elements comprising a temperature control medium supply connection and a temperature control medium discharge connection, which are arranged outside the interior of the battery storage housing.
- the temperature control elements are preferably produced by roll bonding.
- the one or more temperature control elements each comprise one or more, in particular two, connection pieces, the
- Connection pieces preferably project transversely, in particular at least approximately vertically, away from a temperature control element base body of the temperature control element to a main extension plane of a temperature control element.
- the battery storage device preferably further comprises one or more cover elements for sealing the temperature medium supply connection and / or the temperature medium discharge connection in each case one
- a battery module of the battery storage device preferably comprises one or more battery cells.
- One or more temperature control elements are preferably used for temperature control, in particular for cooling and / or heating, one or more battery modules.
- the one or more temperature control elements preferably comprise a temperature control channel structure through which a temperature control medium, in particular a temperature control liquid, can be conducted.
- Water or a water-glycol mixture for example, can be used as the bath liquid.
- temperature control medium can preferably be supplied to the temperature control channel structure.
- temperature medium By means of the temperature medium discharge connection, temperature medium can preferably be removed from the temperature channel structure.
- the cover element is in particular a plastic component.
- a reliable sealing of the interior of the battery storage housing can preferably be made possible by means of the one or more cover elements.
- the one or more temperature control elements each comprise a connection section on which the temperature control medium supply connection and / or the temperature control medium discharge connection are arranged, the connection section of the one or more temperature control elements in each case essentially outside the interior of the battery storage housing is arranged and is preferably covered by means of a cover element.
- the one or more temperature control elements are preferably only partially arranged within the interior of the battery storage housing.
- a temperature control element preferably further comprises a temperature control section, by means of which battery modules of the battery storage device can be temperature controlled.
- thermocontrol channel structure of the temperature control element is arranged within the temperature control section.
- a connection section of a temperature control element preferably has a smaller width than a temperature control section of the temperature control element.
- a width of the connection section of the temperature control element is preferably at least approximately 30%, in particular at least approximately 40%, preferably at least approximately 50%, less than a width of the temperature control section of the temperature control element.
- the temperature control element comprises a tongue section which forms the connection section.
- connection section of the temperature control element is in the
- connection section and the temperature control section of a temperature control element are preferably connected to one another by means of a transition section in which a width of the temperature control element increases.
- the one or more temperature control elements each comprise one or more, in particular two, connection pieces, the one or more cover elements each on one or more connection elements. sealing areas cohesively connected with one or more connecting pieces ver, in particular glued.
- a cover element preferably comprises one or more lead-through openings, through which one or more connecting pieces of a temperature control element are guided.
- the lead-through opening is preferably designed as an elongated hole.
- the cover element comprises two, in particular circular, through openings, with one connecting piece in each case being guided through a through opening.
- a cover element is preferably integrally connected to a collar section of a connecting piece, in particular glued.
- connection sealing area is preferably closed in a ring.
- connection sealing area in a closed ring.
- a collar section is preferably integrally connected, in particular welded, to a temperature control element base body.
- two connecting pieces include a common collar plate, which is connected to one
- Tempering element base body is preferably integrally connected, in particular welded. It can therefore also be favorable if a cover element is integrally connected, in particular glued, to a common collar plate of two connecting pieces.
- the one or more connecting pieces are preferably each integrally connected, in particular welded, to a temperature control element.
- a temperature control element preferably comprises two connection pieces, in particular an inlet connection piece and / or an outlet connection piece.
- An inlet connection piece forms in particular a temperature control medium supply connection.
- An outlet connection piece forms in particular a temperature control medium discharge connection.
- the connecting pieces preferably protrude transversely, in particular at least approximately perpendicularly, to a main plane of extension
- Tempering element away from the Temperierelement basic body.
- the one or more temperature control elements can preferably be connected to a temperature control medium supply line and / or a temperature control medium discharge line by means of the connecting pieces.
- the one or more cover elements are each integrally connected to the battery storage housing, in particular bonded, at a housing sealing area.
- the one or more cover elements with a bottom wall element of the battery storage housing and / or with a side wall element of the battery storage housing are integrally connected, in particular glued.
- the one or more cover elements are preferably integrally connected to the side wall element, in particular to a frame element of the battery storage housing.
- the one or more cover elements are preferably also integrally connected with a weld that connects the bottom wall element with the side wall element, in particular with the frame element.
- cover element is glued to the weld seam which connects the bottom wall element to the side wall element, in particular to the frame element.
- the one or more cover elements in the connection sealing area and / or in the housing sealing area each comprise an adhesive groove for receiving an adhesive material and a contact area which bears on the battery storage housing and / or on a temperature control element.
- the adhesive groove is preferably closed all around and / or in a ring.
- the adhesive groove has a width in the range from 2 mm to 10 mm, preferably in the range from 4 to 8 mm.
- the adhesive groove has a depth in the range from 0.05 mm to 0.5 mm, for example approximately 0.15 mm.
- the contact area of a cover element in the one or more connection sealing areas is preferably on a collar section of one Connection piece or a common collar plate of two connection pieces of a temperature control element.
- the contact area of a cover element in the housing sealing area lies in particular on a bottom wall element and / or on a side wall element of the battery storage housing.
- the one or more cover elements are connected to a bottom wall element of the battery storage housing in a positive and / or non-positive manner.
- the bottom wall element preferably comprises one or more locking recesses for receiving locking projections.
- a cover element comprises one or more latching projections which are received or can be received in latching recesses in the bottom wall element.
- the battery storage housing comprises a plurality of guide elements for guiding a temperature control element in a guide direction.
- the guide elements preferably each comprise a guide surface aligned parallel to the guide direction.
- a temperature control element is guided in a temperature control section of the temperature control element by means of guide elements opposite one another transversely to the guide direction.
- the battery storage housing comprises two or more than two guide elements arranged mirror-symmetrically to a plane of symmetry of a temperature control element.
- the guide elements are preferably fixed to a bottom wall element of the battery storage housing, in particular in a form-fitting and / or force-fitting and / or material-fitting manner.
- the guide elements are screwed, clipped and / or welded to the base wall element, for example.
- One or more battery modules of the battery storage device are preferably in front of each on a plurality of guide elements which are arranged opposite one another in particular transversely to a guide direction.
- One or more battery modules in particular, each rest directly on a plurality of guide elements.
- a side wall element of the battery storage housing comprises one or more passage openings, one or more temperature control elements each being at least partially guided through the one or more passage openings.
- a temperature control element is guided in particular along a feed-through direction through a passage opening in a side wall element of the battery storage housing.
- a side wall element preferably comprises two through openings, through which a temperature control element is at least partially guided.
- a connection section of the temperature control element is guided through the passage opening.
- a width of the passage opening in the side wall element of the battery storage housing preferably corresponds to at least approximately a width of the connection section of the temperature control element.
- the battery storage housing is preferably at most about 20%, in particular at most about 10%, preferably at most about 5%, larger than a width of the connection section of the temperature control element.
- a width of the connection section is in particular a width taken in a main direction of extension.
- the battery storage housing preferably corresponds to at least one height of a temperature control element.
- the battery storage housing is preferably at most about 20%, in particular at most about 10%, preferably at most about 5%, greater than a height of the temperature control element.
- a height of the temperature control element is preferably one in a thickness direction of the temperature control element and / or perpendicular to a main
- the battery storage housing comprises one or more stop elements, by means of which a displacement of a temperature control element in a guide direction relative to the battery storage housing can be limited or limited.
- a guide direction is preferably parallel to a bushing direction, along which the temperature control element through a passage opening is passed through in a side wall element of the battery storage housing.
- the battery storage housing preferably comprises two or more than two stop elements for each temperature control element.
- a temperature control element In order to limit and / or prevent a temperature control element being displaced in the guide direction in the event of a crash in relation to the battery storage housing, provision can be made for a temperature control element to be in the guide direction by means of a plurality of stop elements which are arranged on end regions of the temperature control element which face away from one another in the guide direction the battery storage case is fixed.
- the battery storage device comprises one or more bolt elements fixed to the bottom wall element, each of which is in particular guided through a passage opening in a temperature control element.
- a temperature control element in the guide direction can preferably be fixed on the battery storage housing.
- the bolt elements and / or the passage openings are preferably arranged on a connection section and / or on a transition section of a temperature control element.
- stop elements are arranged and / or formed at least approximately mirror-symmetrically, in particular at least approximately mirror-symmetrically to a plane of symmetry of a temperature control element.
- one or more, in particular two, stop elements of the battery storage housing to limit a shift of the temperature control element to a temperature control element, in particular to a transition section of the temperature control element can be applied to it.
- the stop elements are preferably fixed to a bottom wall element of the battery storage housing, in particular in a form-fitting and / or force-fitting and / or material-fitting manner.
- the stop elements are screwed, clipped and / or welded to the bottom wall element, for example.
- the one or more stop elements and a temperature control element each comprise complementary stop surfaces, by means of which the temperature control element can be struck against one or more stop elements.
- the one or more cover elements each comprise two or more than two latching receptacles, on each of which a latching element can be latched or clipped or fixed.
- a temperature control medium supply line and / or a temperature control medium discharge line is fixed or can be fixed to a cover element by means of a snap-in receptacle.
- cable tie eyelets for fastening a temperature control medium supply line and / or a temperature control medium discharge line can be fixed to the snap-in receptacles.
- the one or more cover elements preferably comprise a total of four snap-in receptacles, on which in particular two snap-in elements can alternately be fixed.
- the battery storage device preferably comprises two identical ones
- tempering medium supply lines and / or tempering medium discharge lines are preferably fixed or fixed mirror-inverted on a cover element.
- the one or more cover elements preferably comprise a marking, in particular a label of the temperature medium supply connection and / or the temperature medium discharge connection.
- the battery storage housing comprises the following:
- the side wall elements and the bottom wall element preferably surround an interior of the battery storage housing on five sides.
- the bottom wall element and two or more than two side wall elements are preferably designed as a one-piece bent sheet metal part.
- the interior of the battery storage housing can preferably also be covered by means of the cover element.
- the side wall elements and the bottom wall element preferably form a basic housing body of the battery storage housing.
- the basic housing body is preferably formed in one piece.
- the side wall elements are integrally connected, in particular welded, to the bottom wall element.
- the battery storage housing preferably comprises a frame element which is integrally connected, in particular welded, to the bottom wall element.
- the side wall elements are preferably integrally connected to the same side wall elements, in particular welded ver.
- the bottom wall element protrudes in a main direction of extension of the bottom wall element preferably over one or more side wall elements, in particular over the frame element, of the battery storage housing.
- the frame element preferably comprises several, in particular four, side wall elements and one or more partition wall elements.
- a plurality of partition wall elements of the frame element are preferably arranged at least approximately parallel to one another and / or connect two side wall elements which are in each case opposite one another.
- a partition wall element is preferably welded to side wall elements lying opposite one another.
- wall elements that are opposite one another are arranged parallel to one another.
- Adjacent side wall elements are preferably arranged perpendicular to each other.
- the one or more temperature control elements each comprise a temperature control element base body, which in particular is at least approximately mirror-symmetrical. It can be favorable if a temperature control element base body is one
- Temperature control element comprises two metallic components which are integrally connected to one another at least in regions, in particular only in regions.
- the two metallic components of the temperature control element main body preferably delimit a temperature control channel structure of a temperature control element.
- the two metallic components of the temperature control element main body are preferably connected to one another by means of roll bonding.
- the temperature control elements are in particular roll bond parts.
- a temperature control channel structure of a temperature control element is produced by creating a cavity by means of a pressure fluid, in particular by inflation.
- the one or more cover elements are each connected to the battery storage housing and / or a temperature control element by means of an adhesive material.
- the adhesive material preferably comprises an epoxy resin adhesive, a polyurethane adhesive and / or an acrylate adhesive.
- the adhesive material is preferably designed for cohesive, in particular for adhesive and / or sealing, connection between a plastic material and a metallic material.
- the battery storage device further comprises one or more intermediate elements.
- An intermediate element is preferably arranged between a temperature control element and a bottom wall element of the battery storage housing.
- a temperature control element is pressed or pressed onto one or more battery modules of the battery storage device by means of an intermediate element.
- the temperature control element can be brought into direct and / or thermal contact with one or more battery modules of the battery storage device by pressing the same, in particular by means of the intermediate element.
- An intermediate element is preferably an elastic element.
- an intermediate element comprises or is formed from a plastic material.
- the intermediate element preferably comprises or is formed from a foam material and / or an elastomer material.
- the battery storage housing comprises or is formed from a metallic material; and or
- the one or more temperature control elements is a metallic one
- Connection piece of the one or more temperature control elements comprise a metallic material or are formed from this; and / or one or more cover elements comprise or are formed from a plastic material.
- the metallic material of the battery storage housing is in particular aluminum or an aluminum alloy. It can also be advantageous if the one or more temperature control elements each comprise a temperature control element base body which comprises a metallic material.
- the temperature control element base body consists in particular of a
- a metallic material of the temperature control element base body is preferably aluminum or an aluminum alloy.
- the metallic material of the battery storage housing is preferably aluminum or an aluminum alloy.
- the metallic material of the battery storage housing preferably has a greater tensile strength than the metallic material of the one or more temperature control elements.
- the metallic material of the battery storage housing is stronger than the metallic material of one or more of the temperature control elements.
- the one or more cover elements preferably comprise a cover element main body.
- a cover element main body of a cover element is preferably a one-piece plastic component, in particular a plastic injection molded component.
- the cover element main body is injection molded in particular.
- a cover element in particular a cover element base body, preferably comprises a reinforcing structure, in particular a reinforcing rib structure.
- a reinforcing structure, in particular a reinforcing rib structure, of the cover element base body preferably comprises one or more rib elements.
- the reinforcing rib structure in particular the reinforcing rib elements, is preferably formed in one piece with the cover element main body.
- Rib elements of the reinforcing structure, in particular the reinforcing rib structure, of the cover element main body are preferably arranged parallel and / or orthogonally to one another.
- Cover element is arranged.
- the battery storage device according to the invention is particularly suitable for use in a vehicle, in particular in a motor vehicle.
- the present invention therefore further relates to a vehicle, in particular a motor vehicle, which comprises one or more battery storage devices according to the invention.
- the vehicle according to the invention preferably has one or more of the features and / or advantages described in connection with the battery storage device according to the invention.
- the present invention further relates to a method for producing a battery storage device, in particular a battery storage device for a vehicle.
- the present invention is based on the further object of providing a method for producing a battery storage device by means of which a battery storage device can be produced simply and in particular inexpensively, and which enables reliable sealing.
- This object is achieved according to the invention by a method for producing a battery storage device, in particular a battery storage device for a vehicle, with the features of the independent method claim.
- the method for producing a battery storage device preferably comprises the following:
- Providing a battery storage housing which encloses an interior in which one or more battery modules are accommodated or can be accommodated;
- the one or more temperature control elements being produced in particular by roll bonding
- the method according to the invention for producing a battery storage device preferably has one or more of the features and / or advantages described in connection with the battery storage device according to the invention. Further features and / or advantages of the invention are the subject of the following description and the drawing of an exemplary embodiment.
- Fig. 1 is a schematic perspective view of a battery
- Fig. 2 is a schematic perspective view of a floor
- FIG. 3 shows a schematic perspective illustration of temperature control elements of the battery storage device from FIG. 1 arranged on the bottom wall element from FIG. 2;
- Fig. 4 is an enlarged view of area IV in Fig. 3;
- Fig. 5 is a schematic perspective view of a
- Battery storage housing of the battery storage device of Figure 1 wherein a frame member of the battery storage housing is connected to the bottom wall element and two temperature control elements are arranged on the bottom wall element.
- Fig. 6 is a schematic perspective view of the battery storage housing of Figure 5, with connecting portions of the tempering elements are covered by two cover elements.
- FIG. 7 shows an enlarged schematic perspective illustration of a connection section of a temperature control element which is passed through a passage opening in a side wall element of the battery storage housing of the battery storage device from FIG. 1;
- FIG. 8 shows an enlarged schematic perspective illustration of the connection section of the temperature control element from FIG. 7, a cover element being arranged on the connection section;
- Fig. 9 is a schematic perspective half-section of the cover
- FIG. 10 shows an enlarged representation of the region X in FIG. 9
- FIG. 11 shows an enlarged representation of the region XI in FIG. 10
- Fig. 12 is an enlarged view of the area XII in Fig. 10;
- FIG. 13 is an enlarged view of area XIII in FIG. 10;
- FIG. 14 shows a schematic perspective illustration of the cover element from FIG. 8 from above.
- FIG. 15 shows a schematic perspective illustration of the cover element from FIG. 14 from below.
- 1 to 15 show a battery storage device designated as a whole by 100.
- the battery storage device 100 is preferably a battery storage device for a vehicle 102, in particular for a motor vehicle 104.
- the battery storage device 100 preferably includes a battery storage housing 106.
- the battery storage housing 106 preferably encloses an interior space 108 in which one or more battery modules 110 are accommodated or can be accommodated.
- a battery module 110 of the battery storage device 100 preferably comprises one or more battery cells.
- the battery storage device 100 preferably includes two rows 112 of battery modules 110.
- the battery storage device 100 in the present case comprises two rows 112, each with eight battery modules 110.
- the battery storage device 100 preferably further comprises one or more, in particular two, temperature control elements 114 for temperature control, that is to say for cooling and / or heating, those that can be accommodated or accommodated in the interior 108 of the battery storage housing 106
- the temperature control elements 114 preferably comprise a temperature control channel structure 116 through which a temperature control medium, in particular a temperature control liquid, can be conducted (see, for example, FIGS. 9 and 10).
- Water or a water-glycol mixture for example, can be used as the bath liquid.
- a temperature control element 114 preferably comprises a temperature control medium supply connection 118 and a temperature control medium discharge connection 120.
- a temperature control medium supply connection 118 is preferred
- the temperature control medium can be removed from the temperature control channel structure 116 of a temperature control element 114 by means of the temperature control medium discharge connection 120.
- Temperature control medium discharge connection 120 is arranged outside the interior 108 of the battery storage housing 106.
- the battery storage device 100 preferably further comprises one or more, in the present case in particular two, cover elements 122 for sealing the temperature medium supply connection 118 and / or the temperature medium discharge connection 120.
- the battery storage housing 106 preferably comprises a bottom wall element 124, a plurality of, in particular four, side wall elements 126 in the present case, a plurality, in this case in particular eight, partition wall elements 128 and a cover element 130 shown only schematically in FIG. 1 by means of an arrow.
- the side wall elements 126 and the partition wall elements 128 preferably form a frame element 132.
- the side wall elements 126 and the bottom wall element 124 surround the interior 108 of the battery storage housing 106 on five sides.
- the bottom wall element 124 and two or more than two side wall elements 126 are preferably designed as a one-piece bent sheet metal part.
- the interior 108 is preferably covered by means of the cover element 130.
- the interior 108 is sealed by covering the same by means of the cover element 130, in particular airtight and / or watertight.
- the side wall elements 126, the bottom wall element 124 and / or the partition wall elements 128 preferably form a housing base body 134 of the battery storage housing 106.
- the housing base body 134 is preferably formed in one piece.
- the side wall elements 126 are integrally connected, in particular welded, to the bottom wall element 124 and / or are formed in one piece with the bottom wall element 124.
- a weld seam which connects the side wall elements 126 to the bottom wall element 124, is schematically indicated in FIGS. 1 and 7 to 9 by means of an arrow 136.
- FIGS. 1 and 5 to 9 show that the bottom wall element 124 protrudes beyond the side wall elements 126 and / or over the frame element 132 in a main direction of extension thereof.
- the bottom wall element 124 projects in particular over all the side wall elements 126 and / or the frame element 132.
- the partition wall elements 128 of the frame element 132 are preferably arranged at least approximately parallel to one another. It may be expedient if the partition wall elements 128 bind two mutually opposite side wall elements 126 to one another.
- Opposing side wall elements 126 are preferably arranged parallel to one another.
- Adjacent side wall elements 126 are preferably arranged perpendicular to one another.
- the side wall elements 126 are preferably integrally connected, in particular welded, to the side wall elements 126 adjoining them.
- the partition wall elements 128 are preferably welded to opposite side wall elements 126.
- the battery housing 106 preferably comprises a metallic material 138, for example aluminum or an aluminum alloy.
- the battery storage housing 106 is formed from the metallic material 138.
- the bottom wall element 124, the side wall elements 126, the partition wall elements 128 and the cover element 130 are made in particular of the metallic material 138.
- the temperature control elements 114 preferably each comprise a connection section 140, on which the temperature control medium supply connection 118 and / or the temperature control medium discharge connection 120 are arranged.
- the connection section 140 of the temperature control elements 114 are preferably each arranged essentially outside of the interior 108 of the battery storage housing 106.
- connection sections 106 are each covered by a cover element 122.
- the temperature control elements 114 are therefore preferably only partially arranged within the interior 108 of the battery storage housing 106.
- the temperature control elements 114 preferably also each include a temperature control section 142, by means of which the battery modules 110 of the battery storage device 100 can be temperature controlled.
- connection section 140 preferably has a width 144 which is less than a width 146 of the temperature control section 142 of the temperature control elements 114 (cf. FIG. 4).
- a width 144 of the temperature control element 114 is preferably at least approximately 30%, in particular at least 40%, preferably at least approximately 50%, less than a width 146 of the temperature control section 142 of the temperature control elements 114.
- the temperature control elements 114 consequently preferably comprise a tongue section 148, which forms the connection section 140.
- connection section 140 and the temperature control section 142 of a temperature control element 114 are preferably connected to one another by means of a transition section 150.
- a width of the tempering elements 114 increases (see FIGS. 3 and 4).
- the battery storage housing 106 preferably comprises a plurality of guide elements 152 for guiding the temperature control elements 114 in a guide direction 154 (cf. FIGS. 2 to 4).
- the guide elements 152 preferably comprise a parallel to the
- Guide direction 154 aligned guide surface 156.
- a temperature control element 114 is in the temperature control section 142 of the
- Temperature control element 114 guided by means of guide elements 152 lying opposite one another transversely to the guide direction 154.
- the guide elements 152 are preferably arranged mirror-symmetrically to a plane of symmetry of the temperature control elements 114.
- the guide elements 152 are fixed to the bottom wall element 124 of the battery storage housing 106, for example in a form-fitting and / or force-fitting and / or material-fitting manner.
- Bottom wall element 124 are screwed, clipped and / or welded.
- the guide elements 152 preferably also serve to arrange the battery modules 110 in the interior 108 of the battery storage housing 106.
- the battery modules 110 of the battery storage device 100 rest on guide elements 152 which are arranged transversely to the guide direction 154.
- the battery modules 110 are in each case in particular directly on the guide elements 152.
- the battery storage device 100 preferably further comprises one or more intermediate elements 157, which are only identified by an arrow in FIG. 10.
- the intermediate elements 157 are preferably each between one
- Temperature control element 114 and the bottom wall element 124 of the battery storage housing 106 are arranged.
- a temperature control element 114 is pressed or pressed onto one or more battery modules 110 of the battery storage device 100 by means of an intermediate element 157.
- the temperature control elements 114 can preferably be brought into direct and / or thermal contact with one or more battery modules 110 of the battery storage device 110 by pressing them, in particular by means of the intermediate elements 157.
- the intermediate elements 157 are preferably elastic elements.
- the intermediate elements 157 comprise a plastic material or are formed from this.
- the intermediate elements 157 preferably comprise or are formed from a foam material and / or an elastomer material.
- the battery storage housing 106 preferably further comprises a plurality of, in particular four, stop elements 158 (see FIGS. 2 and 4).
- a displacement of the temperature control elements 114 in the guide direction 154 relative to the battery storage housing 106 can preferably be limited by means of the stop elements 158.
- the battery storage housing 106 includes for each of the
- Temperature control elements 114 each have two or more than two stops
- a temperature control element 114 is completely fixed on the battery storage housing 106 in the guide direction 154 by means of a plurality of stop elements 158 arranged in the guide direction 124 on end regions of the temperature control element 114 facing away from one another, so that preferably a displacement of the temperature control element 114 relative to that in the Battery storage housing 106 can be prevented in a crash.
- the battery storage device 100 comprises one or more bolt elements 159 fixed to the bottom wall element 124, each of which is in particular guided through a passage opening 161 in a temperature control element 114.
- a temperature control element 114 can preferably be fixed in the guide direction 154 on the battery storage housing 106.
- the bolt elements 159 and / or the passage openings 161 are preferably arranged on the connection section 140 and / or on the transition section 150 of the temperature control elements 114.
- the stop elements 158 are preferably arranged and / or formed at least approximately mirror-symmetrically, in particular at least at least approximately mirror-symmetrical to a plane of symmetry of a temperature control element 114 (cf. FIG. 4).
- the stop elements 158 of the battery storage housing 106 preferably rest on the temperature control element 114, in particular on the transition section 150 of the temperature control element 114.
- the stop elements 158 and the temperature control elements 114 preferably comprise stops which are each complementary to one another
- the stop elements 158 are, in accordance with the guide elements 152, preferably also fixed to the bottom wall element 124 of the battery storage housing 106, in particular in a positive and / or non-positive and / or material manner.
- Bottom wall element 124 are screwed, clipped and / or welded.
- the temperature control elements 114 preferably each comprise a temperature control element base body 162 which is at least approximately mirror-symmetrical.
- the temperature control element base body 162 of the temperature control elements 114 preferably comprises two metallic components 164 which are integrally connected to one another at least in regions, in particular only in regions.
- the temperature control elements 114 are produced by roll bonding.
- the two metallic components 164 of the temperature control element base body 162 are preferably connected to one another by means of roll bonding.
- the temperature control elements 114 are preferably roll bond parts.
- the temperature control channel structure 116 of the temperature control elements 114 is preferably produced by creating a cavity by means of a pressure fluid, in particular by inflation.
- the temperature control element base body 162 preferably comprises a metallic material 138.
- the temperature control element base body 162 consists of a metallic material 138.
- the metallic material 138 of the tempering element base body 162 is preferably aluminum or an aluminum alloy.
- the temperature control elements 114 preferably each comprise a plurality of, in particular in the present case two, connecting pieces 166 (cf. FIGS. 3, 4 and 7 to 10).
- a temperature control element 114 preferably comprises two connecting pieces 166, in particular an inlet connecting piece 168 and an outlet connecting piece 170.
- the inlet connection piece 168 preferably forms the temperature medium supply connection 118.
- the outlet connection piece 170 preferably forms the temperature control medium discharge connection 120.
- the connecting pieces 166 preferably protrude transversely, in particular at least approximately vertically, to a main extension plane of the tempering elements 114 away from the tempering element base body 162.
- the connecting pieces 166 are preferably integrally connected, in particular welded, to the temperature control elements 114.
- a collar portion 172 of the connecting piece 166 is integrally connected to the base element 162 of the temperature control element, in particular welded (see FIGS. 10 and 11).
- the temperature control elements 114 can preferably be connected to the temperature control medium supply lines and / or temperature control medium discharge lines not shown in the figures by means of the connecting pieces 166.
- a side wall element 126 of the battery storage housing 106 in particular a narrow-side side wall element 126, preferably comprises a plurality, in the present case in particular two, of passage openings 174, the temperature control elements 114 each being at least partially passed through a passage opening 174 (cf. in particular FIGS. 7, 9 and 10).
- the temperature control elements 114 are each guided along a passage direction 176 through the passage openings 174 in the side wall element 126.
- the execution direction 176 is preferably parallel to the guide direction 154.
- connection sections 140 of the temperature control elements 114 are guided through the passage openings 174. It can be expedient if a width of the passage openings 174 corresponds at least approximately to the width 144 of the temperature control element 114 in the connecting section 140.
- a width of the passage openings 174 is preferably at most approximately 20%, in particular at most approximately 10%, preferably at most approximately 5%, greater than a width 144 of the connection section 140 of the temperature control element 114.
- a height of the passage openings 174 preferably corresponds to at least a height of a respective temperature control element 114, in particular a height of a temperature control element base body 162.
- the height of the passage openings 174 is preferably at most approximately 20%, in particular at most approximately 10%, preferably at most approximately 5%, greater than the height of the temperature control elements 114, in particular the height of the temperature control element base body 162.
- the cover elements 122 preferably comprise a cover element main body 178.
- the cover element main body 178 of the cover elements 122 is preferably one-piece plastic components 180, in particular plastic injection molded components.
- the cover elements 122 in particular the cover element base body 178 of the cover elements 122, preferably comprise a reinforcement structure 182, in particular a reinforcement rib structure.
- the reinforcement structure 182 preferably comprises a plurality of rib elements 184, in particular rib elements 184 arranged and / or crossing parallel to one another. For reasons of clarity, only two rib elements 184 are identified in FIG. 15 with a reference symbol.
- the reinforcing structure 182 is preferably formed in one piece with the cover element base body 178.
- the cover elements 122 preferably each comprise a plurality of, in particular in the present case four, latching receptacles 186, on each of which a latching element (not shown in the figures) can be locked or clipped on.
- a temperature control medium supply line and / or a temperature control medium discharge line can preferably be fixed to a cover element 122 by means of a snap-in receptacle 186.
- cable tie eyelets designed as latching elements for fastening a temperature medium supply line and / or a temperature medium discharge line can be fixed on the latching receptacles 186.
- the battery storage device 100 preferably comprises two identical cover elements 122, temperature control medium supply lines and / or temperature medium discharge lines being able to be fixed on the two cover elements 122, preferably mirror-inverted.
- the cover elements 122 preferably further comprise a marking, not shown in the figures, in particular a label on the temperature medium supply connection 118 and / or the temperature medium discharge connection 120.
- the cover elements 122 are each positively and / or non-positively connected to the bottom wall element 124 of the battery storage housing 106.
- the bottom wall element 124 preferably comprises a plurality of locking recesses 188 for receiving locking projections 190 of the cover elements 122.
- the locking projections 190 of the cover elements 122 are preferably received in the locking recesses 188 of the bottom wall element 124.
- the two cover elements 122 preferably each comprise a plurality, in particular two, of through openings 192 (see FIGS. 14 and 15) through which a connecting piece 166 of a temperature control element 114 is guided (see FIGS. 8 to 10).
- the cover elements 122 are preferably each integrally connected, in particular glued, to a plurality of, in particular two, connection sealing regions 194 to the connecting pieces 166 of the temperature control elements 114 (cf. FIG. 10).
- the cover elements 122 are preferably each integrally connected to the collar section 172 of a connecting piece 166, in particular glued in particular.
- connection sealing areas 194 are preferably closed in a ring.
- a through opening 192 of the cover elements 122 is preferably surrounded in a closed ring by a connection sealing region 194.
- the cover elements 122 are preferably also integrally connected, in particular glued, to the battery storage housing 106 on a housing sealing region 196.
- the cover elements 122 are preferably each with the bottom wall element 124 of the battery storage housing 106 and / or with the Narrow-sided side wall element 126 of the battery storage housing 106 is integrally connected, in particular glued.
- the cover elements 122 are preferably also integrally connected to the weld 136, which connects the bottom wall element 124 to the narrow side wall element 126.
- the cover elements 122 are glued in particular to the weld seam 136.
- the cover elements 122 in the connection sealing region 194 and / or in the housing sealing region 196 each preferably comprise an adhesive groove 200 for receiving an adhesive material which is not shown in the drawings but is identified by an arrow 202.
- the cover elements 122 preferably further comprise a plurality of contact areas 204 which rest on the battery storage housing 106 and / or on the temperature control elements 114, in particular on the collar sections 172 of the connecting pieces 166.
- the adhesive grooves 200 and / or the contact areas 204 are preferably designed to be closed all round and / or in a ring shape.
- the contact areas 204 of the cover elements 122 lie in the connection sealing area 194, preferably on the collar sections 172 of the connection pieces 166 of the temperature control elements 114.
- the contact areas 204 of the cover elements 122 lie in the housing sealing area 196, in particular on the bottom wall element 124 and on the narrow side wall element 126 of the battery storage housing 106. It has proven to be advantageous if the adhesive groove has a width in the range from 2 to 10 mm, preferably in the range from 4 to 8 mm.
- the adhesive groove has a depth in the range from 0.05 mm to 0.5 mm, for example approximately 0.15 mm.
- the adhesive material 202 preferably comprises an epoxy resin adhesive, a polyurethane adhesive and / or an acrylate adhesive.
- the adhesive material 202 is designed for the integral, preferably adhesive and / or sealing connection between the plastic material of the cover elements 122 and the metallic material 138 of the battery storage housing 106 and / or the temperature control elements 114.
- a battery storage device 100 can be provided which is simple and in particular inexpensive to manufacture and which enables reliable sealing.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Aviation & Aerospace Engineering (AREA)
- Materials Engineering (AREA)
- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102018222896.5A DE102018222896A1 (de) | 2018-12-21 | 2018-12-21 | Batteriespeichervorrichtung, Fahrzeug und Verfahren zum Herstellen einer Batteriespeichervorrichtung |
| PCT/EP2019/085443 WO2020127114A1 (de) | 2018-12-21 | 2019-12-16 | Batteriespeichervorrichtung, fahrzeug und verfahren zum herstellen einer batteriespeichervorrichtung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3900070A1 true EP3900070A1 (de) | 2021-10-27 |
Family
ID=69104378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP19831650.7A Pending EP3900070A1 (de) | 2018-12-21 | 2019-12-16 | Batteriespeichervorrichtung, fahrzeug und verfahren zum herstellen einer batteriespeichervorrichtung |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US12021211B2 (de) |
| EP (1) | EP3900070A1 (de) |
| CN (1) | CN113196551A (de) |
| DE (1) | DE102018222896A1 (de) |
| WO (1) | WO2020127114A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023288029A1 (en) * | 2021-07-14 | 2023-01-19 | Our Next Energy, Inc. | Structural cell to pack battery |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009534811A (ja) * | 2006-04-19 | 2009-09-24 | テミツク・オートモテイーベ・エレクトリツク・モータース・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | エネルギ蓄積装置用熱交換器 |
| US9140501B2 (en) * | 2008-06-30 | 2015-09-22 | Lg Chem, Ltd. | Battery module having a rubber cooling manifold |
| DE102012005871A1 (de) * | 2012-03-23 | 2013-09-26 | Valeo Klimasysteme Gmbh | Kühlvorrichtung für eine Fahrzeugbatterie sowie Fahrzeugbatterie mit Kühlvorrichtung |
| DE102012205750B4 (de) * | 2012-04-10 | 2020-06-25 | Continental Automotive Gmbh | Kühlmittelverteiler für eine Mehrzahl von Kühleinrichtungen, Kühlsystem und Energiespeicher mit einem Kühlsystem |
| DE102012216916B4 (de) * | 2012-09-20 | 2026-01-29 | Mahle International Gmbh | Hochvoltbatterie |
| US11028947B2 (en) * | 2013-11-22 | 2021-06-08 | Ford Global Technologies, Llc | Coupling for electric vehicle battery pack |
| DE102016009969A1 (de) * | 2016-08-16 | 2017-02-16 | Daimler Ag | Kraftfahrzeugbatterie mit einer crashsicheren Kühlmittelführung |
| EP3291358A1 (de) * | 2016-08-31 | 2018-03-07 | Akasol GmbH | Battery module assembly and cooling plate for use in a battery module assembly |
| DE102017208617A1 (de) | 2017-05-22 | 2018-11-22 | Bayerische Motoren Werke Aktiengesellschaft | Energiespeichergehäuse mit einem Kühlungsanschluss, Energiespeicher und Kraftfahrzeug mit einem solchen |
-
2018
- 2018-12-21 DE DE102018222896.5A patent/DE102018222896A1/de active Pending
-
2019
- 2019-12-16 CN CN201980083572.1A patent/CN113196551A/zh active Pending
- 2019-12-16 EP EP19831650.7A patent/EP3900070A1/de active Pending
- 2019-12-16 WO PCT/EP2019/085443 patent/WO2020127114A1/de not_active Ceased
-
2021
- 2021-06-17 US US17/350,986 patent/US12021211B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| DE102018222896A1 (de) | 2020-06-25 |
| US20210313638A1 (en) | 2021-10-07 |
| US12021211B2 (en) | 2024-06-25 |
| WO2020127114A1 (de) | 2020-06-25 |
| CN113196551A (zh) | 2021-07-30 |
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