EP2599157A1 - Système de batterie pouvant être refroidi, procédé pour refroidir une batterie et automobile dotée d'un système de batterie pouvant être refroidi - Google Patents

Système de batterie pouvant être refroidi, procédé pour refroidir une batterie et automobile dotée d'un système de batterie pouvant être refroidi

Info

Publication number
EP2599157A1
EP2599157A1 EP11748309.9A EP11748309A EP2599157A1 EP 2599157 A1 EP2599157 A1 EP 2599157A1 EP 11748309 A EP11748309 A EP 11748309A EP 2599157 A1 EP2599157 A1 EP 2599157A1
Authority
EP
European Patent Office
Prior art keywords
battery
heat exchange
exchange element
coolable
battery system
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Withdrawn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
EP11748309.9A
Other languages
German (de)
English (en)
Inventor
Guido Wetzel
Hans-Peter Habermeier
Peter Murla
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.)
Continental Automotive GmbH
Original Assignee
Continental Automotive 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 Continental Automotive GmbH filed Critical Continental Automotive GmbH
Publication of EP2599157A1 publication Critical patent/EP2599157A1/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Withdrawn legal-status Critical Current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
    • H01M6/00—Primary cells; Manufacture thereof
    • H01M6/50—Methods or arrangements for servicing or maintenance, e.g. for maintaining operating temperature
    • H01M6/5038—Heating or cooling of 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
    • H01M10/6554—Rods or plates
    • 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
    • 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
    • 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
    • H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
    • 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
    • H01M10/66—Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells
    • H01M10/663—Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells the system being an air-conditioner or an engine
    • 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

  • Coolable battery system method for cooling a battery and automobile with coolable battery system
  • Object of the present invention was therefore to provide a coolable battery system, in which the separation from the cooling circuit can be accomplished in a simple manner.
  • a battery which comprises at least one integrated first heat exchange element for the removal of thermal energy from the battery which at least partially forms the surface of the battery.
  • the integrated first heat exchange element is fixed Be ⁇ part of the battery and is integral with the battery educated.
  • the heat exchange element of the battery can be flush with the surface, but also protrude, for example, from the surface or be embedded in the surface of the battery.
  • the heat exchange element is preferably designed so that it has a higher thermal conductivity than the remaining surface of the battery, so that a targeted efficient heat exchange via the heat exchange element of the battery can be ⁇ works.
  • the battery has a first integrated coolant circuit which allows an exchange of thermal energy between the battery and the first heat exchange element.
  • This integrated coolant circuit enables efficient heat exchange from the location of the generation of excess thermal energy in the battery to the heat exchange element.
  • the coolant circuit via an integrated into the battery or running as a separate external component pump that allows circulation of the coolant contained in the first coolant ⁇ circuit has.
  • Exemplary coolants that may be included in the coolant loop of the battery include coolants that allow for heat exchange in a temperature range between -50 ° C and + 150 ° C.
  • the first heat exchange element has a structured surface.
  • struc ⁇ turing for example consists of elevations and depressions in the surface of the heat exchange element. This ensures that the surface of the heat exchange element is larger than if the surface of the heat exchange element would be flat. The larger surface area allows a higher heat exchange rate and thus a more efficient heat exchange.
  • a guaranteed structured surface a better haptic adaptation of another heat exchange element with corresponding
  • haftge ⁇ ge GmbH structuring so that the two correspondingly structured heat exchange elements can interlock form-fitting manner. On such an imple mentation form will be discussed below separately to Fig. 2 separately.
  • the first heat exchange element consists of a material having a thermal conductivity ⁇ of at least 50 W / (m'K), in particular iron, steel, copper, silver, gold, brass, metallic materials or materials with a good heat transfer coefficient.
  • a coolable battery system which has at least one battery described above.
  • the fiction, modern ⁇ coolable battery system per battery includes a second Wär ⁇ meleyelement which is engageable with the first heat exchange element re ⁇ reversibly in a thermal operative connection.
  • the thermal active connection can be produced, for example, by bringing the second heat exchange element into mechanical contact with the first heat exchange element. This allows an exchange of thermal energy between the two heat exchange elements.
  • the second heat exchange element consists of a material with a thermal conductivity ⁇ of at least 50 W / (m'K), in particular iron, steel, copper, silver, gold, brass, metallic materials or materials with a good heat transfer coefficient.
  • the first and second heat exchanger elements are formed from the same material.
  • the second heat exchange element is in thermal operative connection with a second coolant circuit.
  • the second heat exchange element serves to dissipate the thermal energy from the battery via the first Heat exchange element is transferred to the second heat exchange element.
  • the second coolant circuit has at least one device for dissipating thermal energy to the environment.
  • ⁇ devices for discharging thermal energy to the environment may be, for example, passive devices, such as radiator fins, radiators, etc., but also are active cooling devices, such as devices, in which the heat ⁇ energy is transported away with the aid of a fan or a pump ,
  • the battery system has a device that includes the second heat exchange element as an integral part.
  • This device also includes a connection facility for the electrical supply of the pump of the battery;
  • the connection possibility for the electrical supply is preferably designed as a separable electrical connection, for example as a plug connection.
  • the battery can be brought into thermal communication with the second heat exchange element, at the same time connected to the device having the second heat exchange direction, so that electric operation of the pump of the battery is ensured.
  • the inventive method is based on the principle of heat flow from the hotter to the cooler element. By doing that Heat is held second heat exchange element of the coolable battery system at a lower temperature level, heat can be efficiently discharged from the battery and supplied to the cooling circuit of the coolable battery system.
  • the energy transferred from the first heat exchange element to the second heat exchange element is supplied via the second cooling circuit of the at least one device for dissipating thermal energy to the environment and discharged to the environment.
  • the present invention also provides an automobile having a coolable battery system as described above.
  • the second cooling circuit of the coolable battery system is the vehicle coolant circuit of the automobile. This eliminates the need for a separatedemit ⁇ telnikank for the battery, so that an extremely efficient and simple construction is possible.
  • FIG. 1 shows a first embodiment of a coolable battery system according to the invention
  • FIG. 2 shows a further embodiment of the coolable battery system according to the invention.
  • Figure 1A shows the basic components of fiction, modern ⁇ coolable battery system. Shown is a battery 1, which has an integrated coolant circuit 1.1.
  • This coolant circuit 1.1 includes a preferably liquid coolant that can be circulated via a pump 1.2. A part of the coolant circuit 1.1 is in thermal operative connection with the first heat exchange element 3.1, which is assigned to the battery 1.
  • the heat exchange element 3.1 forms part of the surface of the battery 1 and is designed in this case as a raised element.
  • the counterpart to the battery 1 forms a cooling device which has a second heat exchange element 3.2.
  • a second heat exchange element 3.2 In the position shown in Figure 1A from guiding the second heat exchange element 3.2 is geometrically accurate same dimensions as the first heat exchange element ⁇ 3.1.
  • the first heat exchange element 3.1 and the second heat exchange element 3.2 thereby form a two-part heat exchanger.
  • the second heat exchange element 3.2 has a second coolant circuit 2.1, with which it is in thermal exchange. This second coolant circuit
  • 2.1 may further have a device for dissipating thermal energy 2.2, which may be in the present case, for example, the coolant circuit of an automobile.
  • the second heat exchange element 3.2 can be mounted or integrated, for example, in or on a mechanical support 2 for the battery.
  • the coolable battery system can also be connected via a device 2.3, e.g. a housing, in which the second heat exchange element 3.2 is integrated together with its associated components.
  • FIG. 1B shows an embodiment in which the battery 1 is connected via its heat exchange element 3.1 to the second heat exchange element 3.2.
  • the separable electrical connection 1.2.2 may be integrated in the housing 2.3, in which also the second heat exchange element 3.2 is seated.
  • the separable electrical connection 1.2.2 can be supplied with electrical energy in ⁇ example, via the electrical system of a vehicle.
  • the present invention is therefore based in principle on the following idea: It is proposed a cooling via a two-part heat exchanger 3.1, 3.2, in which the heat exchanger is designed separable.
  • the vehicle remains one half of the heat exchanger 3.2, which is preferably constantly cooled in the cooling circuit 2.2 of the vehicle.
  • the other half 3.1 of the heat exchanger remains in the battery 1. If the battery is replaced, this half 3.1 of the heat exchanger is replaced with (see Fig. La).
  • the battery internally has its own circulation system with a coolant circuit 1.1 and a circulating pump 1.2, the pump 1.2 being connected to the on-board network in the vehicle via a separable electrical connection 1.2.2 (see also details in FIG. Vehicle side, the on-vehicle portion of the heat exchanger may be 3.2 play grown at ⁇ in or on the mechanical support 2 for the battery or integrated.
  • a battery suitable for carrying out such a method comprises a first part 3.1 of a heat exchanger, which can be brought into thermal operative connection with a second part of the heat exchanger 3.2 on the vehicle, but remaining on the battery when the battery is disconnected.
  • the battery or the heat exchanger part 3.1 located thereon is in turn provided with a circulating system for cooling liquid in the interior of the battery.
  • a vehicle in particular an electric or hybrid vehicle is described in which a battery is thermally coupled via a two-part, separable heat exchanger and is cooled, wherein the expansion of the battery, the heat ⁇ exchanger is divided and a part of the heat exchanger remains on the battery , This can eliminate back into the battery a direct coolant line and an optionally.
  • Coolant in the vehicle coolant circuit 2.2 are separated.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Secondary Cells (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

L'invention concerne une batterie comprenant au moins un premier élément intégré d'échange de chaleur pour dissiper l'énergie thermique de la batterie, élément qui forme au moins en partie la surface de la batterie. Selon l'invention, le premier élément intégré d'échange de chaleur fait partie intégrante de la batterie et est réalisé d'un seul tenant avec la batterie. L'élément d'échange de chaleur de la batterie peut se terminer à fleur de la surface, mais peut aussi par exemple dépasser de la surface ou être encastré dans la surface de la batterie. L'invention concerne également un système de batterie pouvant être refroidi qui dispose d'au moins une batterie décrite ci-dessus. Le système de batterie pouvant être refroidi selon l'invention comprend en outre, pour chaque batterie, un deuxième élément d'échange de chaleur qui peut être amené de manière réversible en liaison fonctionnelle thermique avec le premier élément d'échange de chaleur. L'invention concerne également un procédé pour refroidir une batterie selon l'invention dans un système de batterie pouvant être refroidi selon l'invention. Dans ce cadre, le premier élément d'échange de chaleur de la batterie ou des batteries est amené en liaison fonctionnelle thermique avec le deuxième élément d'échange de chaleur, le deuxième élément d'échange de chaleur étant maintenu à un niveau de température inférieur au niveau de température du premier élément d'échange de chaleur.
EP11748309.9A 2010-07-28 2011-07-25 Système de batterie pouvant être refroidi, procédé pour refroidir une batterie et automobile dotée d'un système de batterie pouvant être refroidi Withdrawn EP2599157A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102010032598 2010-07-28
DE201110005501 DE102011005501A1 (de) 2010-07-28 2011-03-14 Kühlbares Batteriesystem, Verfahren zum Kühlen einer Batterie sowie Automobil mit kühlbarem Batteriesystem
PCT/EP2011/062706 WO2012013615A1 (fr) 2010-07-28 2011-07-25 Système de batterie pouvant être refroidi, procédé pour refroidir une batterie et automobile dotée d'un système de batterie pouvant être refroidi

Publications (1)

Publication Number Publication Date
EP2599157A1 true EP2599157A1 (fr) 2013-06-05

Family

ID=44509277

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11748309.9A Withdrawn EP2599157A1 (fr) 2010-07-28 2011-07-25 Système de batterie pouvant être refroidi, procédé pour refroidir une batterie et automobile dotée d'un système de batterie pouvant être refroidi

Country Status (4)

Country Link
US (1) US9865886B2 (fr)
EP (1) EP2599157A1 (fr)
DE (1) DE102011005501A1 (fr)
WO (1) WO2012013615A1 (fr)

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US9979058B2 (en) * 2016-04-20 2018-05-22 Ford Global Technologies, Llc Battery thermal energy transfer assembly and method
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CN111900512B (zh) * 2019-05-05 2023-06-23 浙江三花汽车零部件有限公司 一种电池组件

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Also Published As

Publication number Publication date
US20130255918A1 (en) 2013-10-03
DE102011005501A1 (de) 2012-02-02
WO2012013615A1 (fr) 2012-02-02
US9865886B2 (en) 2018-01-09

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