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EP2718996A1 - Module de batterie, batterie pourvue de ce dernier et véhicule automobile équipé de cette batterie - Google Patents

Module de batterie, batterie pourvue de ce dernier et véhicule automobile équipé de cette batterie

Info

Publication number
EP2718996A1
EP2718996A1 EP12725750.9A EP12725750A EP2718996A1 EP 2718996 A1 EP2718996 A1 EP 2718996A1 EP 12725750 A EP12725750 A EP 12725750A EP 2718996 A1 EP2718996 A1 EP 2718996A1
Authority
EP
European Patent Office
Prior art keywords
battery
battery module
battery cell
bottom plate
attachment
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.)
Withdrawn
Application number
EP12725750.9A
Other languages
German (de)
English (en)
Inventor
Holger Fink
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.)
Robert Bosch GmbH
Samsung SDI Co Ltd
Original Assignee
Robert Bosch GmbH
Samsung SDI Co Ltd
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 Robert Bosch GmbH, Samsung SDI Co Ltd filed Critical Robert Bosch GmbH
Publication of EP2718996A1 publication Critical patent/EP2718996A1/fr
Withdrawn legal-status Critical Current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
    • H01M50/258—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
    • H01M50/262—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks
    • H01M50/264—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks for cells or batteries, e.g. straps, tie rods or peripheral frames
    • 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
    • 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

  • the present invention relates to a battery module, a battery with this
  • the battery module comprises at least one arranged on a bottom plate battery cell, wherein the battery cell and the bottom plate with at least one fastening system are fixedly connected to each other.
  • Battery in each case a plurality of battery cells are combined in a battery module and a plurality of battery modules are in turn arranged in a subunit. The battery is then made up of several of these subunits.
  • a battery module is provided which
  • the fastening system has at least two interlocking fastening partners, wherein the first
  • the battery is preferably one
  • At least one of the attachment partners is forced to elastic deformation during assembly of the battery cell and the bottom plate, from which this springs back when snapping and engages behind the other attachment partner. This advantageously no additional tool for mounting the battery cell is required on the bottom plate.
  • an unambiguous position of the battery cell on the bottom plate of the battery module is advantageously predefined with the fastening system.
  • the assembly process of the battery according to the invention can be easily incorporated into an automated process.
  • the first attachment partner is defined in this application in that it is arranged on the battery cell, and the second attachment partner is defined by being arranged on the bottom plate.
  • At least one positive connection is produced in a direction pointing perpendicularly from the bottom plate by the two fastening partners.
  • Floor plate prevents lifting of the battery cell from the bottom plate.
  • the at least one battery cell has a prismatic shape. This advantageously allows a compact design of the battery module, since in a juxtaposition of the prismatic body no unused
  • Gap arises.
  • the first attachment partner is a projection and the second attachment partner are behind the projection cross-spring arm.
  • the bottom plate heat-dissipating that is a cooling plate.
  • the at least one battery cell is advantageously easier to temper.
  • the first attachment partner is designed in one piece with a housing of the battery cell.
  • the battery cell housing according to the invention is preferably made of a metal
  • the first attachment partner advantageously at the same time has the good strength and rigidity values of the metal. In addition, thus advantageously the number of items is reduced.
  • a biasing force disposed between the battery cell and the bottom plate applying intermediate layer.
  • the fastening system is advantageously additionally secured against loosening of the fastening partner from each other.
  • a battery which comprises at least one battery cell according to the invention in one of the aforementioned embodiments
  • Embodiments has.
  • the advantages of the battery module according to the invention as a component thus also benefit the battery as an assembly.
  • a motor vehicle is further provided with the battery, which has at least one battery cell according to the invention in one of the aforementioned embodiments, wherein the battery with a
  • battery also includes battery systems, accumulators, accumulator batteries, accumulator systems, in particular Li-ion systems or Li-polymer ion systems in this application.
  • FIG. 2 shows a battery module according to the prior art
  • FIG. 3 shows a battery module according to the invention in a schematic diagram
  • FIG. 4 shows a further embodiment of the battery module according to the invention in a schematic diagram
  • FIG. 5 shows a battery cell of the battery module according to the invention in FIG
  • FIG. 1 by way of example and not limitation, the basic construction of a battery 10 according to the prior art is shown.
  • the battery 10 according to the invention has in principle the same basic structure.
  • a plurality of battery cells 16 are combined in a battery module 14.
  • Battery modules 14 are each arranged in a subunit 12. And several subunits 12 form the battery 10 here.
  • the battery 10 comprises only a single subunit 12 or only a single battery module 14.
  • FIG. 2 shows by way of example and not limitation a battery module 14 according to the prior art.
  • the battery module 14 of the battery 10 according to the invention is based on this structure.
  • the battery module 14 has six battery cells 16. There may also be more or fewer than six battery cells 16 per battery module 14. The number of battery cells 16 depends on the required power and
  • the battery cells 16 each have a substantially prismatic base body, preferably a substantially cuboid base body, and are arranged side by side together on a bottom plate 18.
  • the battery module 14 thereby also has a substantially prismatic basic shape, preferably a substantially cuboidal basic shape.
  • the battery cells 16 are with their underside on the battery cells 16
  • Bottom plate 18 mounted, so the body side, the body side
  • Tensioning bands 22 exerted forces on a larger area on the outer battery cells 16th
  • 16 heat conducting plates are arranged between the individual battery cells to better thermally crosslink the individual battery cells 16 together.
  • FIG. 3 shows, in a schematic diagram, by way of example and not limitation, an embodiment of a battery module 14 according to the invention. Shown is a cross section parallel to an end face of the battery module 14.
  • the battery cell 16 and the bottom plate 18 fastening systems 26 on.
  • At least one fastening system 26 is provided.
  • the arrangement of further fastening systems 26 is provided according to the invention. These can also be offset and / or arranged at an angle to each other. Also, it is conceivable that different versions of
  • Mounting systems 26 may be present at the same time.
  • the fastening systems 26 shown in FIG. 3 each have two fastening systems 26
  • the first attachment partner 30 in this application is defined by being arranged on the battery cell 16 and the second attachment partner 32 is defined by being arranged on the bottom plate 18.
  • the fastening systems 26 are preferably on one side of the battery cell 16
  • the first attachment partners 30 are each formed by a projection of the battery cell 16, in particular by a projection of a housing of the battery cell 16.
  • the projections each have a rise and an undercut.
  • the second attachment partner 32 are formed here by a respective spring arm, which is arranged on the bottom plate 18.
  • the spring arm has a substantially elongated shape which is elastically deformable by bending. At its free end, the spring arm is provided with an oblique surface, by which this elastic bending is caused when traveling down the contour of the first fastening partner 30. Behind the slopes, the
  • Befest onlyspartners 30 a positive connection against the mounting direction ago. Lifting the battery cell 16 from the bottom plate 18 is prevented.
  • the spring arms When assembling the battery cell 16 with the bottom plate 18, the spring arms are pushed aside by the contour of the projections, so the climbs and feathers after passing the climbs back to their normal, undeformed position. The projections of the battery cell 16 are thereby engaged behind each of the undercut of the spring arms.
  • FIG. 4 shows, in a schematic diagram, by way of example and not limitation, a further embodiment of the battery module 14 according to the invention. Shown is a cross section parallel to an end face of the battery module 14.
  • the variant of FIG. 4 has an intermediate layer 28 arranged between the battery cell 16 and the bottom plate 18. According to the invention, the intermediate layer 28 is optionally arranged.
  • the intermediate layer 28 exerts a defined biasing force on the battery cell 16 and the bottom plate 18 in the assembled state.
  • the intermediate layer 28 has elastic deformation properties. This is done by the wavy representation in Figure 4 symbolizes. The actual shape of the intermediate layer 28 may differ from that shown.
  • FIG. 5 shows by way of example and not limitation a cross-section of a battery cell 16 of the battery according to the invention.
  • the battery cell 16 has two integrated first attachment partners 30.
  • the number and the arrangement of the fastening partner 30 can vary, it does not have to correspond to the number of second fastening partners 32 of the bottom plate 18 not shown here, so that several possibilities for the location of a fixation of the battery cell 16 are provided on the bottom plate 18.
  • the first attachment partners 30 are exemplarily formed in FIG. 5 as projections. According to the invention, the battery cell 16 and the first
  • Fixing partner 30 preferably designed in one piece. According to the shape of the first attachment partner 30, the second attachment partner 32 are formed corresponding to the first attachment partners 30, so that a locking is possible in a defined position.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

Module de batterie comprenant au moins un élément de batterie (16) disposé sur une plaque de fond (18). L'élément de batterie (16) et la plaque de fond (18) sont solidarisés à demeure au moyen d'au moins un système de fixation (26) qui présente au moins deux éléments de fixation associés (30, 32) s'encliquetant l'un dans l'autre, le premier élément de fixation (30) étant disposé sur l'élément de batterie (16) et le deuxième élément de fixation (32) sur la plaque de fond (18). L'invention concerne également une batterie (10) comportant au moins un module de batterie (14) du type mentionné ci-dessus, ainsi qu'un véhicule automobile équipé de cette batterie (10).
EP12725750.9A 2011-06-10 2012-06-04 Module de batterie, batterie pourvue de ce dernier et véhicule automobile équipé de cette batterie Withdrawn EP2718996A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011077331A DE102011077331A1 (de) 2011-06-10 2011-06-10 Batteriemodul, Batterie mit diesem Batteriemodul und Kraftfahrzeug mit dieser Batterie
PCT/EP2012/060483 WO2012168178A1 (fr) 2011-06-10 2012-06-04 Module de batterie, batterie pourvue de ce dernier et véhicule automobile équipé de cette batterie

Publications (1)

Publication Number Publication Date
EP2718996A1 true EP2718996A1 (fr) 2014-04-16

Family

ID=46208528

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12725750.9A Withdrawn EP2718996A1 (fr) 2011-06-10 2012-06-04 Module de batterie, batterie pourvue de ce dernier et véhicule automobile équipé de cette batterie

Country Status (3)

Country Link
EP (1) EP2718996A1 (fr)
DE (1) DE102011077331A1 (fr)
WO (1) WO2012168178A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11139521B2 (en) 2016-07-07 2021-10-05 Samsung Sdi Co., Ltd. Battery submodule carrier, battery submodule, battery system and vehicle
US11075423B2 (en) 2016-07-07 2021-07-27 Samsung Sdi Co., Ltd. Battery submodule carrier, battery submodule, battery system and vehicle
DE102017204531A1 (de) * 2017-03-17 2018-09-20 Volkswagen Aktiengesellschaft Anordnung zur Fixierung einer Batteriezelle und/oder eines Zellpakets sowie Batteriegehäuse mit zumindest einer derartigen Anordnung
DE102021116017A1 (de) 2021-06-21 2022-12-22 Webasto SE Batteriemodul zum Aufbau einer Batterie für ein Fahrzeug

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5484667A (en) * 1993-09-07 1996-01-16 Gnb Battery Technologies Inc. Spacers for lead-acid batteries

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT339750B (de) * 1972-04-05 1977-11-10 Semperit Ag Einrichtung zum befestigen eines batteriekastens
JP5288853B2 (ja) * 2008-03-24 2013-09-11 株式会社東芝 電池パック
DE102010029872A1 (de) * 2009-07-03 2011-01-05 Visteon Global Technologies, Inc., Van Buren Township Batteriebaugruppe für Hybrid- oder Elektrofahrzeuge

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5484667A (en) * 1993-09-07 1996-01-16 Gnb Battery Technologies Inc. Spacers for lead-acid batteries

Also Published As

Publication number Publication date
DE102011077331A1 (de) 2012-12-13
WO2012168178A1 (fr) 2012-12-13

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