EP4420188A1 - Procédé de fabrication d'un accumulateur d'énergie, accumulateur d'énergie et dispositif - Google Patents

Procédé de fabrication d'un accumulateur d'énergie, accumulateur d'énergie et dispositif

Info

Publication number
EP4420188A1
EP4420188A1 EP22797039.9A EP22797039A EP4420188A1 EP 4420188 A1 EP4420188 A1 EP 4420188A1 EP 22797039 A EP22797039 A EP 22797039A EP 4420188 A1 EP4420188 A1 EP 4420188A1
Authority
EP
European Patent Office
Prior art keywords
energy storage
storage cells
carrier
arranging
target structure
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
Application number
EP22797039.9A
Other languages
German (de)
English (en)
Inventor
Torsten Franke
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayerische Motoren Werke AG
Original Assignee
Bayerische Motoren Werke AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Bayerische Motoren Werke AG filed Critical Bayerische Motoren Werke AG
Publication of EP4420188A1 publication Critical patent/EP4420188A1/fr
Pending legal-status Critical Current

Links

Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • B60L50/64—Constructional details of batteries specially adapted for electric 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
    • H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
    • 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
    • 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 relates to a method for producing an energy store, an energy store and a device.
  • Energy stores or in particular high-voltage stores of the type in question are used in partially and fully electrically operated motor vehicles. These are very large components that include a large number of energy storage cells. In passenger cars, the housings of such energy storage devices often take up large parts of the underbody. In particular, due to the large number of energy storage cells that are installed in the high-voltage storage, the production of such storage turns out to be extremely complex.
  • a method for producing an energy store, in particular a high-voltage store, for a motor vehicle comprises the steps:
  • the energy storage cells are round cells.
  • the energy storage cells can also have a different housing shape, for example a prismatic housing shape.
  • the energy storage cells are advantageously arranged on or on the carrier which is positioned above or above the target structure. From there, the energy storage cells are arranged on or in the target structure in the z-direction.
  • the energy storage cells can be arranged on or in the target structure individually, in groups or as a whole.
  • the target structure extends in the xy plane, to which the aforementioned z-axis is perpendicular.
  • the target structure can be a flat structure—for example a plate-shaped element—which essentially has an extension in the x and y directions.
  • the target structure can be a three-dimensional entity which additionally has an extension along the z-direction.
  • a housing component of the energy store forms the target structure.
  • the aforementioned housing component can be a housing upper part, a housing lower part or a frame element of the energy store, the aforementioned list expressly not being to be understood as conclusive.
  • the energy storage cells are positioned on the carrier.
  • the carrier preferably has a base plate which is mounted so that it can be displaced in such a way that one or more energy storage cells can be released in the z direction.
  • the carrier has a frame.
  • the aforementioned base plate is mounted, for example, displaceable. When the base plate is moved, one or more openings are released in the z-direction, so that one or more energy storage cells can be displaced in the direction of the target structure.
  • the energy storage cells are positioned on the carrier.
  • the carrier is designed in the manner of a gripping device, which is designed to grip or hold one or more energy storage cells, in particular from above. While the energy storage cells stand on the carrier in the aforementioned carrier, the energy storage cells in the solution mentioned here are held, in particular actively, via the carrier, which for this purpose preferably has corresponding means for gripping/holding the energy storage cells.
  • the aforementioned means are expediently designed to be able to release the energy storage cells so that they can be placed on or in the target structure.
  • the method comprises the steps: positioning the carrier on the energy storage cells;
  • the method can advantageously include turning the energy storage cells. This can advantageously optimize the accessibility of the cells. For example, it is expediently possible to process the energy storage cells from a number of sides/directions, in particular both from above and from below.
  • Lateral processing is made possible in particular by a sequential displacement of the energy storage cells in the z-direction. As mentioned, these can be displaced one after the other in the z-direction individually or in groups/rows, as a result of which “new” energy storage cells become laterally accessible each time energy storage cells are “drained”.
  • the multiplicity of energy storage cells is preferably provided “upright”.
  • the energy storage cells are expediently arranged with regular repetition, for example in a matrix-shaped grid, in particular in a packing grid.
  • they will be “wrong” or upside down oriented, e.g. with their underside facing up.
  • the target structure can also be turned to advantage, as will be explained later, so that the final orientation is automatically correct.
  • the energy storage cells can also be turned over several times using appropriate carriers.
  • the method can correspondingly comprise the use of more than one carrier, for example the use of a second carrier etc. in addition to a first carrier. It should be mentioned here that a carrier does not necessarily have to be used for turning the energy storage cells.
  • the method comprises the step:
  • At least one carrier expediently comprises means for positioning the energy storage cells or aligning them with one another, ie in particular within the xy plane.
  • at least one carrier includes receptacles for the energy storage cells, which are used to position the energy storage cells on the carriers. The recordings of different carriers can be designed differently.
  • the method comprises the steps:
  • the sequential displacement of the energy storage cells in the z-direction also advantageously enables accessibility to be optimized, since the side surfaces of the energy storage cells are gradually released and are therefore accessible.
  • the processing includes at least one of the following steps:
  • Editing is possible regardless of whether a turn is made or not.
  • the method comprises the steps:
  • the energy storage cells are expediently aligned standing in the transport unit along their vertical direction.
  • the transport unit can also be referred to as a packaging unit in which the energy storage cells are transported within a plant or delivered by a supplier.
  • the transport unit is first opened, with the first processing steps expediently already being carried out at this stage, such as a check to identify defective cells and plasma cleaning of the cells in the open area of the transport/packaging unit.
  • the cells are expediently arranged in a regular repetition in the transport unit. After opening the transport unit at the top, the steps for part identification, incoming inspection and surface treatment of the exposed surface for the entirety of the cells can expediently be carried out.
  • the method further comprises the steps:
  • two carriers are expediently used, these being carriers which are preferably equipped with the aforementioned base plates. These enable the targeted release of one or more energy storage cells in the z-direction.
  • the transport unit is completely removed together with the energy storage cells. Further processing steps can expediently follow, such as, for example, further plasma cleaning, a further check to identify defective cells, etc.
  • a needle tester can be used here, for example.
  • the relocation of the energy storage cells to the second carrier can be combined with further processing steps, such as further cleaning steps.
  • energy storage cells identified as defective are replaced by functioning cells, both expediently in the vertical direction, in other words along the z-axis.
  • the grid of the energy storage cells relative to one another is expediently not changed in the entire method. The distance between the energy storage cells in the xy plane can be changed from one another, as mentioned. However, the relative positioning is retained, which ensures optimal traceability.
  • the energy storage cells when the energy storage cells are placed on the second carrier, for example—or generally on a further carrier—the energy storage cells can be realigned relative to one another.
  • a distance between the energy storage cells can be reduced or increased, in particular in order to adapt this to the distance/the grid which the energy storage cells have from one another on or in the target structure.
  • the receptacle of the carrier can have corresponding guides, which are designed to align the energy storage cells when moving along the z-direction.
  • the carrier can have appropriate means in order to position, in particular to move, the energy storage cells on it.
  • the method includes the step:
  • the auxiliary elements are expediently provided for setting down the energy storage cells, in particular in a controlled manner, in the z-direction on the target structure, preferably on a carrier or on/in a housing component.
  • This also means that the lowering of the energy storage cells in the z-direction is actively supported, that is to say in particular it can also be accelerated.
  • Supports or the like, for example, which can be moved in the z-direction, can be used as auxiliary elements.
  • the target structure is a housing component, in particular a frame element, comprising a multiplicity of Directionally extending apertures, each aperture being provided for placement of an energy storage cell.
  • the openings are expediently open at the top and bottom, so that support elements designed as auxiliary elements can be retracted from one side (eg from below), which can support the energy storage cells coming from the other side (from above) in the z-direction or are used for this purpose can drain them in the z-direction.
  • the aforementioned openings of the frame element taper conically along the z-direction, as a result of which a positioning and also fixing of the energy storage cells in the target structure is expediently achieved.
  • the method further comprises the steps:
  • the method includes the step: adjusting the cell positions by means of a hold-down device when processing the energy storage cells.
  • a hold-down device is used when welding/connecting the energy storage cells, particularly preferably before the lower housing part is arranged.
  • the invention also relates to an energy storage device, in particular a high-voltage storage device, for a motor vehicle, which is produced using the method according to the invention.
  • motor vehicles are in particular passenger cars, motorcycles or commercial vehicles.
  • the energy storage device comprises a frame element in which the energy storage cells are arranged in a form-fitting manner.
  • the energy storage cells are expediently positioned exactly in the xy plane via the form fit.
  • the frame element is expediently designed in such a way that each energy storage cell is contacted almost over its entire surface or preferably over its entire surface, as a result of which optimal heat conduction can be achieved.
  • Preferred materials for the frame are plastic or metal materials or a combination of the aforementioned materials. With a corresponding design of the frame, for example via conically tapering openings, it is also possible to position the energy storage cells in the z-direction.
  • the invention further relates to a device for carrying out the method according to the invention, comprising one or more carriers.
  • the carriers are expediently designed for arranging and positioning the energy storage cells in the z-direction. You can work with one or more carriers.
  • At least one carrier expediently includes receptacles for the energy storage cells, which correspond to the position of the cells in the transport unit.
  • a second carrier can already be partially or fully adapted to the layout of the target structure to be fitted, such as the frame element of the energy store.
  • at least one carrier can have a device for the xy movement of the energy storage cells.
  • 1 the provision of a multiplicity of energy storage cells in a transport unit; 2 shows the arrangement of a first carrier on a transport unit;
  • FIG. 3 the arrangement known from FIG. 2 after turning;
  • Fig. 8 the arrangement of a housing upper part.
  • FIG. 1 shows a schematic view of a transport unit 50 in which a multiplicity of energy storage cells 20 are arranged.
  • the transport unit 50 can also be referred to as a packaging unit.
  • the energy storage cell shown hatched is a defective energy storage cell, see reference number 22.
  • the right half of the figure shows that the packaging or transport unit 50 has been at least partially removed. In particular, a cover is removed, for example.
  • the reference number 40 shows that the first processing steps can already be carried out at this point in time.
  • the energy storage cells for example, are plasma-cleaned to the extent that they are accessible.
  • tests can be carried out, for example to identify defective energy storage cells. As outlined here, it can already be known before the check for defective energy storage cells that there is a defective energy storage cell in the transport unit 50 . Since the position of the cells in relation to one another is not changed, optimal traceability is provided throughout the process.
  • the second schematically shows the arrangement of a first carrier 31 on the transport unit 50.
  • the first carrier 31 in this case comprises a base plate 34 which is later provided for releasing the energy storage cells 20 in the z-direction. It is shown schematically that the carrier 31 has a receptacle which is used to position the energy storage cells in relation to one another. After arranging the carrier 31 on the transport unit 50, the entire arrangement is turned, cf. Fig. 3.
  • FIG. 3 shows the arrangement essentially known from FIG. 2 after turning, ie in particular after turning through 180°.
  • the energy storage cells 20 are now arranged on the first carrier 31 .
  • the transport unit 50 is completely removed.
  • Reference number 40 again indicates that further processing steps can take place at this point in time, such as further cleaning steps, testing steps, identification steps, etc.
  • the second carrier 32 can also be referred to as a target structure, which extends within an xy plane e. In each case, an arrangement is expediently carried out on or possibly also in a target structure along the z-direction.
  • the energy storage cells 20 can each be displaced individually, simultaneously in groups or as a whole in the z-direction.
  • Fig. 5 schematically shows the replacement of the defective energy storage cell 22 with a functional energy storage cell 20.
  • FIG. 6 shows the arrangement of the energy storage cells from the second carrier 32 in a housing component 12, in this case a frame element.
  • the second carrier accordingly does not yet represent the target structure. In the present case, this is expediently formed by the frame element 18 .
  • the arrangement itself follows the known scheme along the z-direction.
  • a support element 60 is shown schematically, which is provided to support the arrangement of the energy storage cell 20 in the z-direction, in particular to brake or accelerate it, for example.
  • FIG. 7 schematically shows the arrangement of a lower housing part 14 on the frame element 18.
  • the frame element 18 and the lower housing part 14 are then expediently rotated.
  • 8 shows the arrangement of a housing upper part 16 for completing the energy store 10. Necessary steps, such as the connection of the energy storage cells, the arrangement of a cell contacting system, etc. are not shown.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Sustainable Development (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Energy (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Battery Mounting, Suspending (AREA)
  • Secondary Cells (AREA)

Abstract

L'invention concerne un procédé de fabrication d'un accumulateur d'énergie, en particulier d'un accumulateur haute tension, pour un véhicule automobile, comprenant les étapes consistant à : - fournir une pluralité de cellules de stockage d'énergie ; - agencer les cellules de stockage d'énergie sur ou au niveau d'un support ; - positionner le support au-dessus d'une structure cible, la structure cible s'étendant dans un plan xy ; - agencer les cellules de stockage d'énergie dans la direction z sur ou dans la structure cible, en particulier en ouvrant ou en libérant le support au moins dans certaines régions ou sections.
EP22797039.9A 2021-10-21 2022-09-23 Procédé de fabrication d'un accumulateur d'énergie, accumulateur d'énergie et dispositif Pending EP4420188A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102021127278.5A DE102021127278A1 (de) 2021-10-21 2021-10-21 Verfahren zum Herstellen eines Energiespeichers, Energiespeicher sowie Vorrichtung
PCT/EP2022/076489 WO2023066597A1 (fr) 2021-10-21 2022-09-23 Procédé de fabrication d'un accumulateur d'énergie, accumulateur d'énergie et dispositif

Publications (1)

Publication Number Publication Date
EP4420188A1 true EP4420188A1 (fr) 2024-08-28

Family

ID=83996129

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22797039.9A Pending EP4420188A1 (fr) 2021-10-21 2022-09-23 Procédé de fabrication d'un accumulateur d'énergie, accumulateur d'énergie et dispositif

Country Status (4)

Country Link
EP (1) EP4420188A1 (fr)
CN (1) CN117678115A (fr)
DE (1) DE102021127278A1 (fr)
WO (1) WO2023066597A1 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8519715B2 (en) 2010-11-29 2013-08-27 Volkswagen Ag Method and system for assembling a battery module
US10020534B2 (en) 2014-09-26 2018-07-10 Johnson Controls Technology Company Free floating battery cell assembly techniques for lithium ion battery module
DE102016107494A1 (de) * 2016-04-22 2017-10-26 Manz Ag Verfahren und Vorrichtung zum Entnehmen von Batteriezellen aus einer rechteckigen Umverpackung
KR102389191B1 (ko) * 2019-03-07 2022-04-20 주식회사 엘지에너지솔루션 전지 팩 제조 장치 및 전지 팩 제조 방법
US11161252B2 (en) * 2019-10-02 2021-11-02 GM Global Technology Operations LLC Multi-tasking end effector

Also Published As

Publication number Publication date
CN117678115A (zh) 2024-03-08
DE102021127278A1 (de) 2023-04-27
WO2023066597A1 (fr) 2023-04-27

Similar Documents

Publication Publication Date Title
EP2792431B1 (fr) Installation de traitement pour des composants de structure d'avion
DE102013100267B4 (de) Vorrichtung zum Greifen und Vereinzeln von plattenförmigen Bauteilen
EP3087865B1 (fr) Paillasse de laboratoire avec elements de plateau
DE202014102800U1 (de) Segmentierte Bauteilauflage
DE202009008849U1 (de) Anordnung einer Bearbeitungseinheit
DE102004057776B4 (de) Lagekorrektureinrichtung zur Korrektur der Position eines Bauelementehalters für elektronische Bauelemente
DE102013018172A1 (de) Vorrichtung und Verfahren zur Bearbeitung von Batterieplatten und Anordnung dieser in Nass- oder AGM-Batteriekästen für Personen- oder Lastkraftwagen
EP1434661B1 (fr) Procede de chargement de presses de formage par haute pression interne et dispositif permettant la mise en oeuvre de ce procede
DE102008032909B4 (de) Verfahren und Fertigungseinrichtung zum Fertigen von Rohkarosserien von Fahrzeugen
EP4000798A1 (fr) Dispositif de positionnement de pièces de véhicule automobile
DE102010042777B4 (de) Laserschneidanordnung und Verfahren zum Schneiden
DE212013000044U1 (de) Transferzentrum zur spanenden Bearbeitung
EP3448623B1 (fr) Dispositif de montage, procédé de commande du dispositif de montage et procédé de fabrication dans un dispositif de montage
DE102012209353B4 (de) Prüfvorrichtung zum Testen einer Flachbaugruppe
EP4420188A1 (fr) Procédé de fabrication d'un accumulateur d'énergie, accumulateur d'énergie et dispositif
DE102019134764A1 (de) Prüfvorrichtung sowie Verfahren zur Zustandskontrolle von Vakuumsaugern einer Greifeinrichtung
DE19856126A1 (de) Positioniervorrichtung zum Ausrichten eines an einer Fahrzeugkarosserie anordenbaren Bauteiles
DE102018122499A1 (de) Einrichtung mit einem ersten und einem zweiten Roboter und Verfahren zu deren Betrieb
DE102010031728A1 (de) Verfahren zur Montage einer Tür an einem Fahrzeug
DE102015212597A1 (de) Positioniervorrichtung für ein Zylinderkurbelgehäuse und Hilfsvorrichtung sowie Verfahren zum Bearbeiten eines Zylinderkurbelgehäuses
EP2524861B1 (fr) Dispositif et procédé de manipulation d'un support d'outil de montage de véhicule sur une ligne de fabrication de véhicule, support d'outil de montage de véhicule et station de montage
EP3756797B1 (fr) Procédé d'essai de nouvelles compositions de materiaux pour la fusion laser sur lit de poudre, et dispositif conçu a cet effet
DE102015117630B3 (de) Vorrichtung und Verfahren zum Positionieren von Werkstücken mittels mehrerer Roboterarme
DE102017119550B4 (de) Lochanlage für Kraftfahrzeugbauteile sowie Verfahren zum Betreiben der Lochanlage
DE202014100876U1 (de) Bearbeitungsvorrichtung zum Stanzen eines Werkstücks

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: UNKNOWN

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20240424

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR