WO2019092072A1 - Boîtier de module pour un module de batterie empilable, module de batterie et empilement de batteries - Google Patents

Boîtier de module pour un module de batterie empilable, module de batterie et empilement de batteries Download PDF

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Publication number
WO2019092072A1
WO2019092072A1 PCT/EP2018/080556 EP2018080556W WO2019092072A1 WO 2019092072 A1 WO2019092072 A1 WO 2019092072A1 EP 2018080556 W EP2018080556 W EP 2018080556W WO 2019092072 A1 WO2019092072 A1 WO 2019092072A1
Authority
WO
WIPO (PCT)
Prior art keywords
battery
module housing
module
sealing device
receiving space
Prior art date
Application number
PCT/EP2018/080556
Other languages
German (de)
English (en)
Inventor
Tobias Mayer
Sebastian Stoll
Christian Behlen
Daniel OSTERMEIER
Original Assignee
Lion Smart Gmbh
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 Lion Smart Gmbh filed Critical Lion Smart Gmbh
Publication of WO2019092072A1 publication Critical patent/WO2019092072A1/fr

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
    • H01M10/65—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
    • 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
    • H01M50/204—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
    • H01M50/213—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for cells having curved cross-section, e.g. round or elliptic
    • 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
    • H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
    • H01M50/24—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
    • 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
    • H01M50/258—Modular batteries; Casings provided with means for assembling
    • 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
    • H01M50/258—Modular batteries; Casings provided with means for assembling
    • H01M50/26—Assemblies sealed to each other in a non-detachable manner
    • 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 module housing for a stackable battery module, wherein a plurality of battery modules are stackable in a stacking direction to a battery stack, comprising a bottom portion and a peripheral wall portion. Furthermore, the invention relates to a battery module for a battery stack with a module housing and a plurality of battery units, wherein the battery units are arranged in the module housing. Moreover, the present invention relates to a battery stack of a plurality of battery modules stacked in a stacking direction.
  • Electrical energy storage devices are widely used in modern technology, for example in electric vehicles. Possible embodiments of such
  • Energy storage for example, lithium-ion batteries.
  • a plurality of battery cells as battery units in a module housing to form a battery module and electrically connect in parallel.
  • two or more of these battery modules may become one
  • Battery stack are stacked in a stacking direction, wherein the individual battery modules can be connected preferably electrically in series.
  • Temperature control, in particular cooling, of the battery modules, in particular of the individual battery units, which are arranged in the individual battery modules, is thus usually unavoidable.
  • a fluid in particular to be able to provide a particularly high cooling capacity, a fluid, in particular
  • Liquid temperature control can be used.
  • each individual battery unit can be provided self-seal. This has proven to be problematic, especially in the case of large battery stacks, since several times 1000 battery units can often be installed in these battery stacks.
  • a sealing of each individual battery unit is in this case very comprehensive and associated with a large manufacturing effort, both in terms of the time required for a production and work as well as in terms of the costs incurred.
  • Temperingfluids can be provided or improved.
  • Battery module with the features of independent claim 1. Furthermore, the object is achieved by a battery module for a battery stack with the features of
  • a module housing for a stackable battery module wherein a plurality of battery modules are stackable in a stacking direction to form a battery stack, comprising a bottom section and a peripheral wall section.
  • An inventive module housing is characterized
  • receiving space for receiving battery units of the battery module Surrounding receiving space for receiving battery units of the battery module, further comprising at an end remote from the bottom portion of the wall portion at least one circumferential sealing device for sealing the receiving space against the Floor section of a subsequent module housing in the stacked state of
  • Battery modules is arranged.
  • An inventive module housing for providing a housing for a stackable battery module.
  • battery units can be arranged in the individual module housings and the battery modules thus provided can then be stacked in a stacking direction to form the battery stack.
  • an electrically conductive connection for example, an electrically parallel connection of the individual battery units of a battery module and an electrically serial connection of the individual battery modules, in this way a battery stack can be provided with a high electrical performance.
  • a module housing according to the invention has at least one bottom section, which merges laterally into a peripheral wall section or is delimited by it. In this way it can be provided that the bottom portion together with the wall portion pot-like surrounds a receiving space or forms this.
  • Floor section may transition in particular in the stacking direction above or alternatively below in the peripheral wall section.
  • the transition from the bottom section into the wall section can be made fluid-tight, preferably liquid-tight, whereby the pot-shaped receiving space essentially has only one access opening, which is arranged in particular on an end of the wall section facing away from the bottom section and bounded by the wall section.
  • This can be provided in a particularly simple manner, for example by integrally formed, in particular monolithic, the wall section and the bottom section.
  • Circumferential within the meaning of the invention may be understood in particular to mean that the at least one sealing device is arranged along the entire wall section, particularly preferably without interruption, and in this way completely surrounds the access opening of the receiving space described above.
  • this circumferential sealing device is designed to that it is provided for sealing the receiving space against a bottom portion of a subsequent module housing in the stacked state of the battery modules.
  • the at least one sealing device in the stacked state of the battery modules may preferably be arranged between the wall section of a first module housing and a bottom section of a next module housing, as a result of which the receiving space of the first module housing as a whole can be sealed.
  • a module housing according to the invention forms the smallest self-contained unit in a battery stack whose battery modules have module housings according to the invention.
  • a tempering fluid for example a tempering liquid
  • the battery units in the receiving space can be tempered in this way, in particular cooled or heated, without allowing tempering fluid to escape to the outside. In particular, this also avoids having to provide a separate seal for each of the battery units.
  • a battery module with a module housing according to the invention can thus be made simpler, faster and, in particular, less expensive.
  • the wall portion has a circumferential arrangement region for arranging a
  • the arrangement region may, for example, have a suitable shape in order to form a form, frictional and / or frictional connection with the corresponding counter-arrangement region of the further module housing, whereby a stacking of the individual battery modules having module housings according to the invention can be simplified to form a battery stack. Since these arrangement regions or the counterranging regions thus form those sections of the module housing which at least come very close or even touch during stacking, they are preferred areas for arranging the at least one sealing device. By circulating the arrangement region in turn, on the one hand, a particularly good and safe stackability of the battery modules as well as a particularly good and in particular complete sealing of the receiving space of the module housing can be ensured. Also, a module housing according to the invention can be further developed in that the arrangement region has an adhesive section for bonding to a
  • Seal the receiving space of the module housing can be further improved.
  • the provision of dedicated adhesive portions or counter-adhesive portions may in particular help to reliably avoid contamination with adhesive to be kept free areas, such as the sealing device.
  • Receiving space through the at least one sealing device can thus be provided preferably without influencing by the additional bonding done.
  • a module housing according to the invention can be further developed in that the arrangement region in the stacked state of the module housing in
  • Stacking direction is formed overlapping in an overlap region with the counter-arrangement region, wherein the at least one sealing device is arranged in the overlapping region.
  • Arrangement area and the counter-arrangement area may be a seal of the
  • Receiving space of the module housing can be further improved because, for example, by the overlapping of the arrangement area and the counter-arrangement area at least partially a labyrinth seal can be formed.
  • Module housing may also be provided that the at least one sealing device is arranged transversely to the stacking direction in the overlapping region of the arrangement region. Transverse to the stacking direction according to the invention may be formed in particular perpendicular to the stacking direction. In this way, in particular a load-free arrangement of the at least one sealing device can be provided.
  • the at least one sealing device is molded onto the wall portion, in particular molded in a two-component injection molding process.
  • Injection can be provided in particular a particularly good connection of the at least one sealing device to the wall portion.
  • the module housing can be produced together with the at least one sealing device by a suitable choice of the materials used, wherein in particular the properties of the various sections can be adjusted particularly flexibly.
  • a production of a module housing according to the invention can be further simplified and improved in this way.
  • the at least one sealing device at least two spatially separated
  • a module housing according to the invention may be characterized in that the bottom portion battery receptacles for receiving battery units with
  • Such battery receptacles can in particular provide a positive, frictional and / or non-positive retention of the battery units in the receiving space of a module housing according to the invention.
  • To increase the electrical performance of the battery module with such a module housing according to the invention can Contact the individual battery units are provided.
  • the contacting openings can be provided for this purpose, wherein the contacting openings in particular in
  • Floor section can be formed as continuous openings, so that a contact from outside the module housing, in particular starting from a further module housing below the other arranged module housing, is possible.
  • the battery receptacles each have at least one adhesive surface for gluing the respective battery unit into the battery receptacle.
  • the battery units in the battery holders can be further increased by an adhesive bond, a sealing of the receiving space and an attachment of the battery units in the respective battery receptacle of the bottom portion. An even better sealing of the receiving space even in the presence of contact openings can be provided in this way.
  • a module housing according to the invention can be provided in that the wall section has a tempering fluid supply line for supplying a
  • Temperierfluids and a Temperierfluidab Hartwig-to-break
  • the Temperierfluidzu Arthur a Temperierfluidzulauf for introducing the Temperierfluids in the receiving space
  • the Temperierfluidab Arthur a
  • Temperierfluidabliller for discharging the tempering fluid from the receiving space.
  • the receiving space can be flooded with tempering fluid, in particular with a tempering liquid, wherein in particular by the presence of a Temperierfluidzulaufs and Temperierfluidablillers also a particular permanent and uniform flow through the receiving space can be provided by the Temperierfluid or Temperier crampkeit.
  • a particularly good temperature control of all battery units, which are arranged in the receiving space of the module housing can be provided in this way.
  • Temperierfluidab Being connecting portions for fluid-communicating connecting with mating connecting portions of another module housing.
  • Module housing with each other via the respective connecting portion and the respective mating connecting portion fluidkommunifactd and preferably sealed sealed to the outside.
  • Module housing are provided, in particular not every single
  • Module housing must be supplied separately with tempering fluid. A temperature control of the entire battery stack can be significantly simplified in this way.
  • the object is achieved by a battery module for a battery stack with a module housing and a plurality of battery units, wherein the battery units are arranged in the module housing.
  • Battery module is characterized in that the module housing is formed according to the first aspect of the invention. All the advantages that have been described in detail with respect to a module housing according to the first aspect of the invention can thus also be provided by a battery module according to the second aspect of the invention.
  • the object is achieved by a
  • An inventive battery stack is characterized in that the battery modules are formed according to the second aspect of the invention.
  • Battery modules according to the second aspect of the invention each have a module housing according to the first aspect of the invention. All the advantages in detail with respect to a battery module according to the second aspect of the invention and to a module housing according to the first aspect of the invention can thus also be provided by a battery stack according to the third aspect of the invention.
  • FIG. 1 shows a module housing according to the invention in a perspective view along a stacking direction
  • Fig. 3 is a detail view of an overlapping area
  • an inventive module housing 10 is in each case in one
  • FIG. 1 along a stacking direction S, in FIG. 2 against the stacking direction S.
  • FIGS. 1 and 2 will be described together, wherein the details of the two figures will be discussed separately.
  • a module housing 10 has a bottom section 20 and a wall section 30 which completely surrounds the bottom section 20.
  • the bottom portion 20 and the Wall section 30 together monolithic and thereby be made in one piece.
  • a pot-like receiving space 1 1 is formed, in the later for the production of a battery module 1 battery units 2 can be arranged (each not shown).
  • battery units 2 are in the bottom portion 20th
  • Battery receptacles 21 are provided, in which the individual battery units 2 can be arranged.
  • the battery holders 21 may be provided on an inner or outer side or, as shown in FIGS. 1 and 2, also on both sides of the bottom portion 20.
  • Adhesive surfaces 23 in order to glue the individual battery units 2 in the respective battery holder 21 can.
  • a particularly good sealing of the bottom portion 20 or each individual battery holder 21 by the battery unit 2 arranged therein can be provided in this way.
  • the receiving space 1 1 thus has only a single access opening with arranged battery units 2, which is arranged on a side facing away from the bottom portion 20 side of the module housing 10.
  • a module housing 10 according to the invention has on the wall section 30 an arrangement region 31 which is provided with a
  • Sealing device 40 may be provided (not shown). In this way, a secure sealing of the receiving space 1 1 of a module housing 10 can be provided in the stacked state.
  • FIGS. 1 and 2 visible that in the wall portion 30 a
  • Temperierfluidzutechnisch 33 and a Temperierfluidabtechnisch 35 may be provided, can be passed through the tempering fluid 60, in particular a Temperier gallkeit.
  • a Temperierfluidzulauf 34 and a Temperierfluidablauf 36 (not shown) Temperierfluid 60 from the Temperierfluidzutechnisch 33 in the receiving space 1 1 are introduced or discharged.
  • a safe temperature control, in particular a cooling and / or Heating, the battery units 2, which are arranged in the receiving space 1 of the module housing 10, can be provided in this way.
  • the Temperierfluidzutechnisch 33 and the Temperierfluidabtechnisch 35 each one
  • the at least one sealing device 40 may particularly preferably be arranged in this overlap region 50.
  • the sealing device 40 may also preferably have at least two spatially separated sealing elements 41, whereby a redundant provision of a seal by the sealing device 40 can be provided. Even if one of the sealing elements 41, the by the sealing device 40
  • Sealing device 40 provided sealing effect can be further ensured. Also preferably, the sealing elements 41 of the sealing device 40 transverse to
  • Stacking direction S be arranged to a possible load-free arrangement of
  • One of the two sealing elements 41, in particular the left, is formed as a circumferential O-ring, wherein the second sealing element 41 molded directly to the arrangement region 31 of the wall portion 30, in particular injection molded in a two-component injection molding process.
  • a particularly good and secure connection of the sealing element 41 or the sealing device 40 with the arrangement region 31 can be provided in this way. It is also shown that the
  • Arrangement area 31 may have an adhesive portion 32 which, together with a Jacobklebeabites 14 an adhesive bond for materially connecting the two Module housing 10 can provide. An even safer connection between the two
  • FIG. 4 schematically shows a battery stack 100 according to the invention, wherein such a battery stack 100 may also have significantly more than the illustrated three battery modules 1 and the battery modules 1 significantly more than the illustrated two battery units 2.
  • Battery stack 100 should in particular illustrate how a common temperature of the battery units 2, which are arranged in the individual battery modules 1, can be provided.
  • the module housing 10 of the individual battery modules 1 are sealed together, wherein in particular the receiving spaces 1 1 of the individual module housing 10 are sealed from each other.
  • Module housings 10 are likewise connected to one another in a manner that communicates with the fluid, so that a continuous flow of the tempering fluid 60 through the entire battery stack 100 can be made possible.
  • Temperierfluidzu interaction 34 and Temperierfluidabction 36 of which only a single is provided with reference numerals, ensure a permanent and especially uniform flow through the receiving spaces 1 1 with tempering 60. A particularly simple, good and uniform temperature of the entire
  • Battery pack 100 may be provided in this manner.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

L'invention concerne un boîtier de module (10) pour un module de batterie empilable (1), plusieurs modules de batterie (1) pouvant être empilés dans une direction d'empilement (S) pour former un empilement de batteries (100), présentant un segment de base (20) et un segment de paroi périphérique (30). L'invention concerne en outre un module de batterie (1) pour un empilement de batteries (100), comprenant un boîtier de module (10) et plusieurs unités de batterie (2), les unités de batterie étant disposées dans le boîtier de module (10). L'invention concerne également un empilement de batteries (100) constitué de plusieurs modules de batterie (1) empilés dans une direction d'empilement (S).
PCT/EP2018/080556 2017-11-09 2018-11-08 Boîtier de module pour un module de batterie empilable, module de batterie et empilement de batteries WO2019092072A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017219928.8A DE102017219928A1 (de) 2017-11-09 2017-11-09 Modulgehäuse für ein stapelbares Batteriemodul, Batteriemodul sowie Batteriestapel
DE102017219928.8 2017-11-09

Publications (1)

Publication Number Publication Date
WO2019092072A1 true WO2019092072A1 (fr) 2019-05-16

Family

ID=64456930

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2018/080556 WO2019092072A1 (fr) 2017-11-09 2018-11-08 Boîtier de module pour un module de batterie empilable, module de batterie et empilement de batteries

Country Status (2)

Country Link
DE (1) DE102017219928A1 (fr)
WO (1) WO2019092072A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018218405A1 (de) * 2018-10-26 2020-04-30 Elringklinger Ag Batterietemperiervorrichtung, Fahrzeug und Verfahren zum Herstellen einer Batterietemperiervorrichtung
DE202019106550U1 (de) * 2019-07-26 2020-12-16 Elringklinger Ag Batterievorrichtungen
DE102021114483A1 (de) * 2021-06-07 2022-12-08 Audi Aktiengesellschaft Verfahren zum Verbinden zweier Bauteile und Batteriemodul

Citations (4)

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Publication number Priority date Publication date Assignee Title
WO2011153312A2 (fr) * 2010-06-04 2011-12-08 A123 Systems, Inc. Structure de batterie gaufrée et prismatique
US20120094157A1 (en) * 2010-10-13 2012-04-19 Hitachi Vehicle Energy, Ltd. Battery Module, and Electricity Storage Device
EP2595215A1 (fr) * 2011-11-21 2013-05-22 Yamaha Hatsudoki Kabushiki Kaisha Bloc batterie et véhicule à selle comprenant celui-ci
JP2013145649A (ja) * 2012-01-13 2013-07-25 Nissan Motor Co Ltd 組み電気デバイス又は電気デバイスモジュールの製造方法及び当該製造方法によって製造される組み電気デバイス又は電気デバイスモジュール

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Publication number Priority date Publication date Assignee Title
DE102012217041A1 (de) * 2012-09-21 2014-03-27 Robert Bosch Gmbh Zellhalterungsmodul für mindestens eine elektrische Energiespeicherzelle, Zellhalterungssystem und Verfahren zum Herstellen eines Zellhalterungssystems
DE102012110644A1 (de) * 2012-11-07 2014-05-08 Bmz Batterien-Montage-Zentrum Gmbh Elektrisches Energiespeichermodul
DE102015221269A1 (de) * 2015-10-30 2017-05-04 Bayerische Motoren Werke Aktiengesellschaft Batterie
WO2017220515A1 (fr) * 2016-06-22 2017-12-28 Michael Schnakenberg Module accumulateur

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011153312A2 (fr) * 2010-06-04 2011-12-08 A123 Systems, Inc. Structure de batterie gaufrée et prismatique
US20120094157A1 (en) * 2010-10-13 2012-04-19 Hitachi Vehicle Energy, Ltd. Battery Module, and Electricity Storage Device
EP2595215A1 (fr) * 2011-11-21 2013-05-22 Yamaha Hatsudoki Kabushiki Kaisha Bloc batterie et véhicule à selle comprenant celui-ci
JP2013145649A (ja) * 2012-01-13 2013-07-25 Nissan Motor Co Ltd 組み電気デバイス又は電気デバイスモジュールの製造方法及び当該製造方法によって製造される組み電気デバイス又は電気デバイスモジュール

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