WO2014114544A1 - Module de batterie comprenant un élément thermique - Google Patents

Module de batterie comprenant un élément thermique Download PDF

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Publication number
WO2014114544A1
WO2014114544A1 PCT/EP2014/050745 EP2014050745W WO2014114544A1 WO 2014114544 A1 WO2014114544 A1 WO 2014114544A1 EP 2014050745 W EP2014050745 W EP 2014050745W WO 2014114544 A1 WO2014114544 A1 WO 2014114544A1
Authority
WO
WIPO (PCT)
Prior art keywords
battery module
battery
module housing
thermal element
channel
Prior art date
Application number
PCT/EP2014/050745
Other languages
German (de)
English (en)
Inventor
Stefan Benz
Markus Kohlberger
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
Priority to CN201480005657.5A priority Critical patent/CN105027349B/zh
Publication of WO2014114544A1 publication Critical patent/WO2014114544A1/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
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6567—Liquids
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/233—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
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/625—Vehicles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/64—Heating or cooling; Temperature control characterised by the shape of the cells
    • H01M10/647—Prismatic or flat cells, e.g. pouch cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • 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, which a
  • Battery module housing and a thermal element wherein the thermal element has at least one channel which extends outside of the battery module housing.
  • Lithium-ion batteries are used.
  • the lithium-ion battery cells within such batteries are characterized among other things by a high energy density and an extremely low self-discharge. They each have at least one positive and one negative electrode, which lithium ions can reversibly store (intercalation) or re-outsource (deintercalation).
  • the battery cells have a predefined temperature range in which they work optimally. To the battery cells during operation in this
  • Thermal management system connected. This heats the battery cells, for example, after starting on cold days or cools the battery cells, for example, during operation, as needed.
  • the individual battery cells are bundled in battery modules or electrically interconnected and combined as such with the thermal management system.
  • six battery cells are electrically connected to each other and then clamped with their underside firmly on a cooling plate or a hot plate. This Construction makes it possible to temper the battery cells and thus to create an optimal working environment for selbige.
  • Heating plates are usually flowed through by a fluid, for example by a mixture of water and glycol.
  • Thermal management system cooled or heated. These include, for example, the power electronics, voltage converters, air conditioning compressors or the electric motor.
  • One of the risks in an accident of a vehicle with such thermal management systems is a resulting leakage thereof.
  • the fluid contained therein is electrically conductive. If the fluid comes into contact with the battery cells of the battery module, for example as a result of an accident, it can therefore lead to short circuits or the formation of hydrogen gas.
  • no fluid for example coolant, runs on the lower battery modules.
  • Battery modules or batteries having the above-described thermal management systems are widely known in the art. Often, measures or means are also provided in such battery modules, which are those described above
  • Battery housing with an active internal cooling system is known, which is connected to an external lead through a sealed connection. Furthermore, the battery housing has a desiccant in one or more containers, which is the protection of a battery within the
  • Battery housing is used.
  • WO 03/092088 A2 discloses a battery arrangement with inner, absorbent layers which can absorb leaking battery fluid.
  • a high-absorbency fleece is provided as the second layer, which works according to the principle of the superabsorber. Disclosure of the invention
  • a battery module which has a battery module housing, at least one battery cell, which in the
  • Battery module housing is arranged, as well as at least one thermal element, which is traversed by a fluid comprises.
  • the thermal element is designed to hold the at least one battery cell in a predefined temperature range.
  • the thermal element has at least one channel through which the fluid can flow, the channel extending outside the battery module housing.
  • Such a battery module is better protected from the occurrence of leaks in the thermal element inside the battery module than in the prior art, for example when the battery module is involved in an accident, for example when used in a motor vehicle. Since the channels of the thermal element, which can be embodied, for example, as a cooling system, are guided outside the battery module housing, for example, a crack or other leakage in the same can not lead to the channeled in the fluid, for example, an electrically conductive coolant, with the in the battery module housing containing
  • Battery cells, circuits and other components comes into contact. It can thereby, unlike the battery modules of the prior art, do not come to shorts or electrolysis, in which
  • Hydrogen gas is generated.
  • the at least one channel runs along at least part of an outer wall of the battery module housing.
  • cooling of the battery cells within the battery module housing is improved, for example, in the case of realization of the thermal element as a cooling system.
  • the thermal element comprises a plate through which a fluid can flow, which plate is arranged at least partially within the battery module housing and with which the at least one channel can be connected.
  • the fluid is particularly preferred as the coolant or designed as a cooling liquid.
  • the plate is designed as a cooling plate.
  • the thermal element has at least one connection, which is led out of the battery module housing and which is connectable to the at least one channel. By such a connection, the outer parts of the thermal element can be connected to the inner parts of the thermal element in an advantageous manner.
  • the at least one connection is insulated against the battery module housing.
  • the battery module it is ensured that, in the event of leaks, escaping fluid does not penetrate into the battery module housing.
  • connection comprises a hollow mold open on one side, through which a fluid can flow.
  • the inner part may in this case mean a part of the thermal element arranged at least partially within the battery module housing, while with outer parts, for example, a channel connected to the connection may be meant.
  • the hollow mold is designed as a hollow tube, which is a
  • a part of the battery module housing is fixable between the plate and the counter element, wherein the fixation via a tension of the part of the battery module housing between the
  • thermo Element easily and reversibly connectable to the battery module or with the battery module housing.
  • a seal is further arranged between the plate and the counter element, via which the terminal is sealed relative to the battery module housing.
  • the terminal is advantageously isolated from the battery module housing.
  • the hollow tube has on its open side at least one retaining lug, with which the connection with the at least one channel is connectable.
  • retaining lugs offer a simple and practical way of reversible connection of port and channel.
  • a battery is provided with a battery module according to the invention, wherein the battery particularly preferably as a
  • Lithium-ion battery is running. Advantages of such batteries include their comparatively high energy density and their high thermal stability. Another advantage of lithium-ion batteries is that they are not subject to memory effect.
  • a motor vehicle is provided with a battery having a battery module according to the invention, wherein the battery is connected to a drive system of the motor vehicle.
  • Figure 1 shows an embodiment of a battery module according to the invention
  • FIG. 2 shows an exemplary connection of a thermal element of an embodiment of a battery module according to the invention in cross section.
  • This battery module 60 includes
  • the indicated in Figure 1 battery cell 40 is not visible to a viewer from the outside.
  • the battery module 60 in this exemplary embodiment comprises a thermal element 30, which in this exemplary embodiment purely by way of example forms a cooling system or is designed as a cooling element.
  • the thermal element 30 does not form a cooling system but, for example, forms a heating system or is designed as a heating element.
  • the thermal element 30 can be flowed through by a fluid 2 and in this exemplary embodiment is designed to hold the multiplicity of battery cells 40 in a predefined temperature range. In this embodiment, therefore, the thermal element 30 comprises a fluid 2, which in this
  • Coolant is carried out and which is able to flow through the components of the thermal element 30.
  • the thermal element 30 has in this embodiment, purely by way of example two channels 20, which are flowed through by the fluid 2, so in this embodiment of the cooling liquid and which extend outside of the battery module housing 50.
  • the number of two extending outside of the battery module housing 50 channels 20 as parts of the thermal element 30 is chosen purely by way of example in this embodiment. It can too
  • Battery modules 60 according to the invention can be realized with thermal elements 30 which have only one channel 20 or even more than two channels 20. Furthermore, it is also possible to realize battery modules 60 according to the invention which have only one battery cell 40.
  • the two channels 20 extend purely by way of example along parts of different outer walls 51 of the battery module housing
  • a first of the channels runs 20 at right angles along a direction orthogonal to a base 52 of the battery module housing 50 and along a direction parallel to this base 52 of the battery module housing 50 aligned direction and along three outer walls 51 of
  • the thermal element 30 comprises a flowable through of a fluid 2 plate 1 1, which partially within the
  • Battery module housing 50 is arranged and with which the two channels 20 are connected.
  • the plate 1 1 is designed purely by way of example as a cooling plate, which forms the bottom of the battery module housing 50 purely by way of example in this embodiment.
  • the plate 11 may also be designed as a heating plate and / or be arranged elsewhere in or outside the battery module housing 50.
  • the thermal element 30 more or more plates 1 1 with
  • Battery module housing 50 are led out and which are each connected to one end of a respective channel 20.
  • the two channels 20 are connected purely by way of example via a total of four connections 5 to the cooling plate.
  • the four terminals 5 are insulated from the battery module housing 50 by way of example only.
  • the four terminals 5 in this embodiment are insulated from the battery module housing 50 by way of example only.
  • the thermal element 30 further comprises, by way of example only, a coolant distributor (not shown), via which the fluid 2 can be distributed within the components of the thermal element 30.
  • the coolant distributor is able to move the cooling liquid out of the plate 1 1 via the connection 5 or the mold 5 forming the connection 5 into the channel 20 and vice versa.
  • FIG. 2 shows an exemplary connection 5 of a thermal element 30 of an exemplary embodiment of a battery module 60 according to the invention in FIG. 2
  • FIG. 2 shows one of the four connections 5 of the embodiment of a battery module 60 according to the invention shown in FIG. 1 in cross-section.
  • the port 5 shown in Figure 2 comprises in this embodiment, purely by way of example a hollow mold open on one side, which of a fluid 2, in this
  • Embodiment of the aforementioned cooling liquid can flow.
  • the hollow mold is purely by way of example designed as a hollow tube having an external thread 3, on which a, a
  • Inner thread exhibiting counter element 6 can be screwed.
  • the counter-element 6 is designed purely by way of example as a mother. However, it is also possible for connections 5 to be made without an external thread 3, without a counter element 6 or with another counter element 6. Also, the terminal 5 may have an external thread 3 and another counter element 6 as a nut on the external thread. 3
  • Embodiment purely by way of example has a curvature between the counter-element 6 and the thermal element 30, more precisely the
  • a seal 12 is further arranged between the plate 1 1 and the counter element 6, via which the terminal 5 is sealed relative to the battery module housing 50.
  • Such a seal 12 is for the execution of an inventive
  • Battery module 60 purely optional.
  • the hollow tube in this embodiment on its open side purely by way of example two retaining lugs 7, with which the terminal 5 with one end of one of the channels 20 is connectable.
  • the connection has at its open end two retaining lugs 7, which in within a tail of one of the channels 20 arranged retaining grooves (not shown) can be engaged.
  • terminals 5 it is also possible for terminals 5 to be realized within battery modules 60 according to the invention which have only one, none or more than two retaining lugs 7.

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)
  • Secondary Cells (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

L'invention concerne un module de batterie (60) qui comprend un boîtier (50) de module de batterie, au moins un élément de batterie (40) qui est disposé dans le boîtier (50) ainsi qu'au moins un élément thermique (30) qui peut être parcouru par un fluide (2). L'élément thermique (30) est conçu pour maintenir le ou les éléments de batterie (40) dans une plage de température prédéfinie. Selon l'invention, l'élément thermique (30) présente au moins un canal (20) qui peut être parcouru par le fluide (2), le canal (20) s'étendant en dehors du boîtier (50) de module de batterie.
PCT/EP2014/050745 2013-01-24 2014-01-16 Module de batterie comprenant un élément thermique WO2014114544A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201480005657.5A CN105027349B (zh) 2013-01-24 2014-01-16 具有热元件的电池模块

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013201129.6 2013-01-24
DE201310201129 DE102013201129A1 (de) 2013-01-24 2013-01-24 Batteriemodul mit einem thermischen Element

Publications (1)

Publication Number Publication Date
WO2014114544A1 true WO2014114544A1 (fr) 2014-07-31

Family

ID=49989745

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2014/050745 WO2014114544A1 (fr) 2013-01-24 2014-01-16 Module de batterie comprenant un élément thermique

Country Status (3)

Country Link
CN (1) CN105027349B (fr)
DE (1) DE102013201129A1 (fr)
WO (1) WO2014114544A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6704595B2 (ja) * 2016-01-12 2020-06-03 Ｌｅａｄｉｎｇ Ｅｄｇｅ Ａｓｓｏｃｉａｔｅｓ株式会社 バッテリーパック温度制御・給電システム
DE102016222264A1 (de) * 2016-11-14 2018-05-30 Robert Bosch Gmbh Batteriemodul, Verfahren zu dessen Herstellung und Batterie
DE102019114445A1 (de) * 2019-05-29 2020-12-03 Kautex Textron Gmbh & Co. Kg Fluidtemperierbare Traktionsbatterie und Batteriegehäuseanordnung mit Durchführung für Wärmeübertragungseinrichtung

Citations (5)

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Publication number Priority date Publication date Assignee Title
US20050089750A1 (en) * 2002-02-19 2005-04-28 Chin-Yee Ng Temperature control apparatus and method for high energy electrochemical cells
DE102008034861A1 (de) * 2008-07-26 2009-06-18 Daimler Ag Mehrteiliges Batteriegehäuse
US20090297892A1 (en) * 2008-04-14 2009-12-03 A123 Systems, Inc. Flexible Voltage Nested Battery Module Design
US20110269008A1 (en) * 2008-11-12 2011-11-03 Johnson Controls - Saft Advanced Power Solutions Llc Battery system with heat exchanger
DE102011016799A1 (de) * 2010-09-23 2012-03-29 Akasol Engineering Gmbh Gehäuse für ein Batteriemodul

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Publication number Priority date Publication date Assignee Title
WO2003092088A2 (fr) 2002-04-25 2003-11-06 Volkswagen Ag Ensemble batterie
DE102008034869A1 (de) * 2008-07-26 2009-06-18 Daimler Ag Batterie mit mehreren einen Zellenverbund bildenden Batteriezellen
US20100136402A1 (en) 2009-04-22 2010-06-03 Tesla Motors, Inc. Sealed battery enclosure
JP2011171029A (ja) * 2010-02-17 2011-09-01 Sanyo Electric Co Ltd 電池モジュール
KR20120096133A (ko) * 2011-02-22 2012-08-30 주식회사 엘지화학 냉각 효율성이 향상된 냉각부재와 이를 포함하는 전지모듈

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050089750A1 (en) * 2002-02-19 2005-04-28 Chin-Yee Ng Temperature control apparatus and method for high energy electrochemical cells
US20090297892A1 (en) * 2008-04-14 2009-12-03 A123 Systems, Inc. Flexible Voltage Nested Battery Module Design
DE102008034861A1 (de) * 2008-07-26 2009-06-18 Daimler Ag Mehrteiliges Batteriegehäuse
US20110269008A1 (en) * 2008-11-12 2011-11-03 Johnson Controls - Saft Advanced Power Solutions Llc Battery system with heat exchanger
DE102011016799A1 (de) * 2010-09-23 2012-03-29 Akasol Engineering Gmbh Gehäuse für ein Batteriemodul

Also Published As

Publication number Publication date
CN105027349A (zh) 2015-11-04
CN105027349B (zh) 2018-02-02
DE102013201129A1 (de) 2014-07-24

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