WO2016015958A1 - Module de batterie - Google Patents

Module de batterie Download PDF

Info

Publication number
WO2016015958A1
WO2016015958A1 PCT/EP2015/065455 EP2015065455W WO2016015958A1 WO 2016015958 A1 WO2016015958 A1 WO 2016015958A1 EP 2015065455 W EP2015065455 W EP 2015065455W WO 2016015958 A1 WO2016015958 A1 WO 2016015958A1
Authority
WO
WIPO (PCT)
Prior art keywords
battery
battery module
housing
pressure plates
profile
Prior art date
Application number
PCT/EP2015/065455
Other languages
German (de)
English (en)
Inventor
Thomas Bock
Karl-Heinz Gaubatz
Original Assignee
Bayerische Motoren Werke Aktiengesellschaft
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 Aktiengesellschaft filed Critical Bayerische Motoren Werke Aktiengesellschaft
Publication of WO2016015958A1 publication Critical patent/WO2016015958A1/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
    • 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
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/04—Construction or manufacture in general
    • H01M10/0481—Compression means other than compression means for stacks of electrodes and separators
    • 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
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • H01M10/4257—Smart batteries, e.g. electronic circuits inside the housing of the cells or 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
    • H01M10/61—Types of temperature control
    • H01M10/613—Cooling or keeping cold
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/62—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
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6551—Surfaces specially adapted for heat dissipation or radiation, e.g. fins or coatings
    • 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
    • H01M50/231—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 having a layered structure
    • 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
    • H01M50/284—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with incorporated circuit boards, e.g. printed circuit boards [PCB]
    • 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
    • H01M50/30—Arrangements for facilitating escape of gases
    • H01M50/394—Gas-pervious parts or elements
    • 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
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Definitions

  • the invention relates to a battery module for an electrically driven
  • a plurality of individual, mostly prismatic battery cells are combined to form a battery stack in a battery module.
  • the individual battery cells in the battery tape! compressed under a biasing force.
  • a tensioning device is used, which has two pressure plates which bear against the end faces of the battery pack, and two arranged on opposite sides of the battery stack tie rods, which apply and maintain a tensile stress on the two pressure plates.
  • the battery pack together with the clamping device must be protected against environmental influences, e.g. through an additional housing.
  • the battery voltage and the temperature of the individual battery cells are normally detected by a cell monitoring unit (CSC) and transmitted to a battery management system.
  • CSC cell monitoring unit
  • current sensors which detect the current supplied by the battery module and transmit to the battery management system, are provided, as well as fuses and cut-off contactors.
  • the various control devices and electronic components are usually installed at various locations in the vehicle.
  • the object of the invention is to provide a compact battery module.
  • a battery module for an electrically driven vehicle with a plurality of battery cells arranged in a battery stack and a battery strap! surrounding housing, the two arranged on the front sides of the battery pack pressure plates and a battery pack receiving U-profile and a closing the open side of the U-profile ceiling! includes.
  • the pressure plates, the U-profile and the lid seal the battery pack waterproof against the environment.
  • the battery cells of the battery pack are pressed against one another by the pressure plates, so that the battery pack is held by the two pressure plates under the desired mechanical bias.
  • a separate clamping device is eliminated.
  • the housing consists essentially of the U-profile, the pressure plates and the lid. In this way, space is saved, and the finished battery module has compact dimensions and is at the same time completely protected against environmental influences.
  • a module electronics for the battery module is accommodated in the housing, so that at least part of the necessary electronics is integrated directly into the battery module.
  • the waterproof housing also protects the electronics against environmental influences.
  • the module electronics can, for example, a
  • CSC Cell monitoring unit
  • a battery management system a current sensor
  • a contactor a current sensor
  • a contactor a contactor
  • / or a fuse the entire electronics necessary for operating the battery module can be accommodated in the housing.
  • the contactor is preferably designed as a semiconductor device and integrated into the electronics to allow a more compact design.
  • an emergency degassing device is preferably provided in the housing.
  • This can be formed for example by a waterproof, but gas-permeable membrane that spans an opening in the housing. In this way, the waterproofness of the housing is ensured, while a constant pressure equalization with the environment is possible.
  • a seal may be provided, so that the lid can be fastened for example via a screw and the battery module is to open nondestructive.
  • the U-profile is preferably firmly welded to the printing plates. It is possible to apply in the manufacture of the battery module on the pressure plates on the battery pack a desired bias, which presses the battery cells with the desired force to each other and to weld the printing plates in this position with the U-profile.
  • the welding can be done for example by a laser welding process.
  • the pressure plates bushings may be provided to the outside of the housing, for example, for electrical connection lines and data lines and for the Notentgasungsvorraum.
  • the U-profile and the lid may be formed substantially closed. Are the necessary connections of the battery module formed in the pressure plates, they are easily accessible from the front sides of the battery module, which is advantageous in many installation situations.
  • an electrically insulating adhesive film is applied between the outside of the battery cells and the tensioning device in order to insulate the cells from the tensioning device and the environment.
  • the inside of the housing for electrical insulation is powder-coated, so that the housing simultaneously provides electrical insulation. The powder coating replaces the previous adhesive films, which reduces the production cost.
  • the electrically powered vehicle is preferably a motorcycle or a scooter.
  • the battery module may be integrated into a frame of the motorcycle or scooter, with the housing in direct contact with the ambient air is. Since the battery module is protected by the waterproof housing against environmental influences, it can be installed so that it can be used without further protection from environmental influences, for example, without another housing in the frame. This has the advantage that an air cooling can be realized by the airstream and, if necessary, further cooling systems, in particular liquid cooling, can be dispensed with.
  • the U-profile is part of the frame of the vehicle, thus assuming a (at least partially) supporting function.
  • the U-profile and / or the pressure plates can have cooling ribs on their outer side.
  • the battery module according to the invention can also be used in any other electrically powered vehicle, such as a purely electrically powered car, a hybrid car or a plug-in hybrid car.
  • FIG. 1 is a battery module according to the invention in a schematic perspective view
  • FIG. 2 shows the battery module of Figure 1 without a lid and without battery cells
  • FIG. 3 shows the battery module of Figure 1, wherein only the battery pack and the end-side printing plates are shown;
  • FIG. 5 shows the battery module of Figure 1 without a lid
  • - Figure 6 shows the battery module of Figure 1 in a perspective sectional view
  • FIG. 7 shows the battery module of Figure 1 in an end view
  • FIG. 1 shows a battery module 10 for an electrically driven vehicle, in particular a motorcycle or a scooter.
  • the battery module 10 has a housing 12, which comprises two end-side pressure plates 14 and a U-profile 16, wherein the pressure plates 14 close the U-profile 16 on the front side.
  • a battery stack 17 is accommodated from a plurality of individual battery cells 18 (here seven battery cells 18) (see, for example, FIG. 3).
  • the housing 12 is closed by a cover 20 which covers the open side of the U-profile 16 and which rests on the free edges of the pressure plates 14.
  • the pressure plates 14, the U-profile 16 and the Deckei 20 surround the battery stack 7 completely and close it from the environment waterproof.
  • the battery stack 17 is arranged from the juxtaposed loose battery cells 18 between the two pressure plates 14 and compressed by a device, not shown, until a desired biasing force with which the individual battery cells 18 are pressed together is reached. In this position, the pressure plates 14 are welded to the U-profile 16, for example by means of laser welding. The battery stack 17 is thus held without the need for a further tensioning device with the desired amount of bias in the housing 12.
  • the lid 20 can be placed and screwed, for example, with a (not shown) seal is provided to ensure the waterproofness of the housing 2.
  • the printing plates 14 have various bushings 22, which serve, for example, to connect electrical connection cables 24 to the battery cells 18.
  • an emergency degassing device 26 is mounted here, which can deliver gas at a pressure generated in the interior of the housing 12 gas to the outside. It can also be used to constantly provide pressure equalization to the environment. It is possible to use a gas-permeable, water-impermeable membrane in the emergency degassing device 26.
  • the inside of the housing 12 is provided with a coating which electrically insulates the battery cells 18 from the housing 12.
  • the coating is realized here in the form of a (not shown) powder coating, which is applied to the pressure plates 14, the U-profile 16 and the cover 20 prior to assembly of the individual components.
  • a module electronics 28 of the battery module 10 are included in this example, for example a
  • Cell monitoring unit a battery management system, a current sensor, a semiconductor contactor and a fuse. In this case they are arranged between the battery stack 17 and the cover 20, where they are placed on one or more circuit boards (see FIGS. 5 and 6).
  • the battery module 10 is mounted directly to a frame of a motorcycle or scooter in this example, without an additional waterproof housing would be provided. It is of course possible to arrange a trim part over the battery module 10. However, that is preferably a direct contact with ambient air, which can flow along the battery module 10 (not shown in detail).
  • the battery module 10 is here air-cooled.
  • both the U-profile 16 and the pressure plates 14 each have a number of parallel cooling fins 30.
  • the cooling fins 30 are aligned in the installed state substantially parallel to the air flow.
  • the cooling by the airstream may be sufficient, so that it may be possible to dispense with further cooling systems, in particular water cooling.
  • further cooling systems in particular water cooling.
  • an additional fan-assisted air cooling can be provided.

Landscapes

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

Abstract

L'invention concerne un module de batterie destiné à un véhicule à entraînement électrique. Ledit module de batterie comprend plusieurs cellules de batterie disposées en une pile de batteries et un boîtier (12) entourant la pile de batteries. Le boîtier comprend deux plaques de pression (14) disposées sur les côtés frontaux de la pile de batteries et un profil en U (16) recevant la pile de batteries ainsi qu'un couvercle (20) renfermant le côté ouvert du profil en U (16). Les plaques de pression (14), le profil en U (16) et le couvercle (20) isolent la pile de batteries de manière étanche à l'eau par rapport à l'environnement.
PCT/EP2015/065455 2014-07-31 2015-07-07 Module de batterie WO2016015958A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014215032.9 2014-07-31
DE102014215032.9A DE102014215032A1 (de) 2014-07-31 2014-07-31 Batteriemodul

Publications (1)

Publication Number Publication Date
WO2016015958A1 true WO2016015958A1 (fr) 2016-02-04

Family

ID=53510898

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2015/065455 WO2016015958A1 (fr) 2014-07-31 2015-07-07 Module de batterie

Country Status (2)

Country Link
DE (1) DE102014215032A1 (fr)
WO (1) WO2016015958A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD922938S1 (en) 2018-05-21 2021-06-22 Techtronic Floor Care Technology Limited Battery

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016115645B4 (de) 2016-08-23 2022-08-25 Kirchhoff Automotive Deutschland Gmbh Batteriegehäuse
DE102016016012B3 (de) 2016-08-23 2023-02-02 Kirchhoff Automotive Deutschland Gmbh Batteriegehäuse
DE102017203321A1 (de) * 2017-03-01 2018-09-06 Audi Ag Baukastensystem für Traktionsbatterien von Kraftfahrzeugen
DE102019126061A1 (de) * 2019-09-27 2021-04-01 Bayerische Motoren Werke Aktiengesellschaft Batteriemodul
DE102020213987B3 (de) 2020-11-06 2021-12-30 Volkswagen Aktiengesellschaft Zellmodul für eine Hochvoltbatterie

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110177371A1 (en) * 2010-01-19 2011-07-21 Brian Belton Battery system for electric motorcycle
US20110278086A1 (en) * 2010-05-13 2011-11-17 Young-Shin Cho Transport apparatus
WO2012133711A1 (fr) * 2011-03-31 2012-10-04 三洋電機株式会社 Procédé pour produire un dispositif de source d'alimentation, dispositif de source d'alimentation et véhicule comportant un dispositif de source d'alimentation
US20130004822A1 (en) * 2011-06-30 2013-01-03 Hiroyuki Hashimoto Power supply device and vehicle including the same
JP2013025983A (ja) * 2011-07-20 2013-02-04 Sanyo Electric Co Ltd 電源装置及び電源装置を備える車両

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5151363B2 (ja) * 2007-09-28 2013-02-27 三菱自動車工業株式会社 電気自動車用バッテリケース
DE102012219783B4 (de) * 2012-10-29 2023-11-09 Lisa Dräxlmaier GmbH Batteriemodul mit vielfältigen Montagevarianten und Querung

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110177371A1 (en) * 2010-01-19 2011-07-21 Brian Belton Battery system for electric motorcycle
US20110278086A1 (en) * 2010-05-13 2011-11-17 Young-Shin Cho Transport apparatus
WO2012133711A1 (fr) * 2011-03-31 2012-10-04 三洋電機株式会社 Procédé pour produire un dispositif de source d'alimentation, dispositif de source d'alimentation et véhicule comportant un dispositif de source d'alimentation
US20130004822A1 (en) * 2011-06-30 2013-01-03 Hiroyuki Hashimoto Power supply device and vehicle including the same
JP2013025983A (ja) * 2011-07-20 2013-02-04 Sanyo Electric Co Ltd 電源装置及び電源装置を備える車両

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD922938S1 (en) 2018-05-21 2021-06-22 Techtronic Floor Care Technology Limited Battery
USD973017S1 (en) 2018-05-21 2022-12-20 Techtronic Floor Care Technology Limited Battery

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