WO2013137612A1 - Battery cooling system using thermoelectric element - Google Patents

Battery cooling system using thermoelectric element Download PDF

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Publication number
WO2013137612A1
WO2013137612A1 PCT/KR2013/001963 KR2013001963W WO2013137612A1 WO 2013137612 A1 WO2013137612 A1 WO 2013137612A1 KR 2013001963 W KR2013001963 W KR 2013001963W WO 2013137612 A1 WO2013137612 A1 WO 2013137612A1
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WO
WIPO (PCT)
Prior art keywords
cooling
thermoelectric
battery
water tank
radiator
Prior art date
Application number
PCT/KR2013/001963
Other languages
French (fr)
Inventor
Chan Ho Song
Original Assignee
Sk Innovation 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
Priority to KR20120025425A priority Critical patent/KR20130104165A/en
Priority to KR10-2012-0025425 priority
Application filed by Sk Innovation Co., Ltd. filed Critical Sk Innovation Co., Ltd.
Publication of WO2013137612A1 publication Critical patent/WO2013137612A1/en

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L1/00Supplying electric power to auxiliary equipment of vehicles
    • B60L1/003Supplying electric power to auxiliary equipment of vehicles to auxiliary motors, e.g. for pumps, compressors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT-PUMP SYSTEMS
    • F25B21/00Machines, plant, or systems, using electric or magnetic effects
    • F25B21/02Machines, plant, or systems, using electric or magnetic effects using Peltier effect; using Nernst-Ettinghausen effect
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L1/00Supplying electric power to auxiliary equipment of vehicles
    • B60L1/02Supplying electric power to auxiliary equipment of vehicles to electric heating circuits
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/18Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
    • B60L58/21Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules having the same nominal voltage
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/24Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
    • B60L58/26Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by cooling
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/24Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
    • B60L58/27Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by heating
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48Accumulators combined with arrangements for measuring, testing or indicating condition, e.g. level or density of the electrolyte
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/61Types of temperature control
    • H01M10/613Cooling or keeping cold
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/62Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/625Vehicles
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/65Means for temperature control structurally associated with the cells
    • H01M10/655Solid structures for heat exchange or heat conduction
    • H01M10/6551Surfaces specially adapted for heat dissipation or radiation, e.g. fins or coatings
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/65Means for temperature control structurally associated with the cells
    • H01M10/655Solid structures for heat exchange or heat conduction
    • H01M10/6556Solid parts with flow channel passages or pipes for heat exchange
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/65Means for temperature control structurally associated with the cells
    • H01M10/656Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6567Liquids
    • H01M10/6568Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/65Means for temperature control structurally associated with the cells
    • H01M10/657Means for temperature control structurally associated with the cells by electric or electromagnetic means
    • H01M10/6572Peltier elements or thermoelectric devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00Control parameters of input or output; Target parameters
    • B60L2240/40Drive Train control parameters
    • B60L2240/54Drive Train control parameters related to batteries
    • B60L2240/545Temperature
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage systems for electromobility, e.g. batteries

Abstract

Provided is a battery cooling system using a thermoelectric element including: a plurality of battery modules; cooling tubes installed on the battery modules in order to absorb heat generated in the battery modules; a water pump transferring a cooling medium to the cooling tubes through an introducing channel; a water tank storing the cooling medium therein and connected to the water pump; and a radiator receiving the cooling medium heated in the cooling tubes through a discharging channel, cooling the received cooling medium, and supplying the cooled cooling medium to the water tank, wherein at least one of the cooling tube, the radiator, and the water tank has at least one thermoelectric element attached thereto.

Description

BATTERY COOLING SYSTEM USING THERMOELECTRIC ELEMENT
The present invention relates to a battery cooling system using a thermoelectric element, and more particularly, to a battery cooling system using a thermoelectric element capable of performing cooling using the thermoelectric element in a battery structure including a water cooling type cooling system.
Generally, a secondary battery may be charged and discharged unlike a primary battery that may not be charged. A small capacity battery in which one battery cell is packaged in a pack form is used in a portable small electronic device such as a mobile phone, a laptop computer, and a camcorder, and a large capacity secondary battery configured by several tens of battery cells in series or parallel with one another is used as a power supply for driving a motor of a device requiring large power, for example, an electrical vehicle, or the like.
The secondary battery may be manufactured in various shapes. A typical shape of the secondary battery may be a pouch shape, a cylindrical shape, or a prismatic shape. Among them, the pouch type second battery has been mainly used in a portable electronic device that has recently been slimmed and become light due to a comparative free shape and a light weight.
A case of the pouch type secondary battery includes a thin metal film and insulating films attached to both surfaces of the thin metal film, unlike a case of the cylindrical secondary battery or the prismatic secondary battery molded using a thin metal material, such that it may be freely bent, and has a space part formed therein so as to accommodate an electrode group therein.
In a secondary battery of a hybrid vehicle to which the pouch type secondary battery is applied, cells having a thin plate shaped structure is manufactured and used as one module, and a plurality of modules are connected in series with one another according to a specification of the hybrid vehicle to configure a package.
In the package in which the plurality of modules are connected in series with one another, heat occurs in the cell at the time of charging or discharging, and charging or discharging power of the battery is changed according to a temperature of the cell.
Therefore, the temperature of the cell should be maintained in an appropriate range so that the battery is operated at an internal temperature of, for example, 25 to 40 ℃.
According to the related art, a cooling scheme using air or a cooling scheme using cooling water or a refrigerant has been used in order to control the internal temperature of the battery.
However, an air cooling type battery using air has low cooling efficient, and a water cooling type battery using cooling water or a refrigerant has a complicated structure.
As the battery cooling technology using the water cooling scheme according to the related art, a battery pack including a battery housing including at least one coupling groove, a neighboring region disposed in the vicinity of at least one coupling groove, and a plurality of cooling channels extended in at least one direction of at least one coupling groove; and a battery cell accommodated in at least coupling groove has been disclosed.
In the battery cooling scheme according to the related art, it is difficult to precisely control a temperature and a structure is complicated, in cooling a cooling medium.
As a background technology of the present invention, Korean Patent Laid-Opened Publication No. 10-2011-0096994 (September 2, 2010) has been disclosed.
[Related Art Document]
[Patent Document]
(Patent Document 1) Korean Patent Laid-Open Publication No. 10-2011-0096994
An object of the present invention is to provide a battery cooling system using a thermoelectric element capable of having a simple structure and precisely controlling a temperature.
In one general aspect, a battery cooling system using a thermoelectric element includes: a plurality of battery modules; cooling tubes installed on the battery modules in order to absorb heat generated in the battery modules; a water pump transferring a cooling medium to the cooling tubes through an introducing channel; a water tank storing the cooling medium therein and connected to the water pump; and a radiator receiving the cooling medium heated in the cooling tubes through a discharging channel, cooling the received cooling medium, and supplying the cooled cooling medium to the water tank, wherein at least one of the cooling tube, the radiator, and the water tank has at least one thermoelectric element attached thereto.
The thermoelectric element may be connected to a battery management system (BMS) or a printed circuit board (PCB) to thereby be controlled.
The thermoelectric element may be operated using the battery module or a voltage of a vehicle.
The thermoelectric element may be installed so as not to correspond to a thermoelectric element adjacent thereto in the case in which it is installed on the cooling tube.
The thermoelectric element may be attached to at least one of the cooling tube, the radiator, and the water tank using a thermal grease or a thermal pad.
The thermoelectric element may have one side attached to at least one of the cooling tube, the radiator, and the water tank and include a cooling fin or a cooling fan attached to the other side thereof.
The cooling tube, the radiator, and the water tank may be made of aluminum having high thermal conductivity.
Therefore, according to an exemplary embodiment of the present invention, the battery cooling system using a thermoelectric element capable of precisely controlling a temperature of a battery and having a simple structure by attaching the thermoelectric elements to the cooling tube, the water tank, and the radiator may be provided.
The above and other objects, features and advantages of the present invention will become apparent from the following description of preferred embodiments given in conjunction with the accompanying drawings, in which:
FIG. 1 is a schematic view of a cooling system according to an exemplary embodiment of the present invention.
FIG. 2 is a detailed view of a thermoelectric element according to the exemplary embodiment of the present invention.
[Detailed Description of Main Elements]
100: Battery cooling system
110: Battery module
120: Cooling tube 121: Thermoelectric element
130: Radiator 131: Thermoelectric element
140: Water tank 141: Thermoelectric element
150: Water pump
160: Introducing channel
170: Discharging channel
Hereinafter, a technical spirit of the present invention will be described in more detail with reference to the accompanying drawings.
However, the accompanying drawings are only examples shown in order to describe the technical idea of the present invention in more detail. Therefore, the technical idea of the present invention is not limited to shapes of the accompanying drawings.
A structure and a shape of a battery cooling system 100 using a thermoelectric element according to an exemplary embodiment of the present invention will be described in detail with reference to FIG. 1.
The battery cooling system 100 according to the exemplary embodiment of the present invention is configured to include battery modules 110, cooling tubes 120, a radiator 130, a water tank 140, and thermoelectric elements.
A plurality of battery modules 110 are provided and the cooling tubes 120 are positioned at both sides of the battery module 110.
Here, the cooling tubes 120 are closely adhered to both sides of the battery module 110 to cool heat generated in the battery module 110.
In addition, an introducing channel 160 is connected to one side of the cooling tube 120 to receive a cooling medium from a water pump 150.
The water tank 140 stores the cooling medium therein and is connected to the water pump 150 to supply the cooling medium.
The radiator 130 receives the cooling medium heated in the cooling tube through a discharging channel 170, cools the received cooling medium, and supplies the cooled cooling medium to the water tank 140.
That is, the cooling medium is stored in the water tank 140, is supplied from the water tank 140 to the water pump 150, is supplied to the cooling tube 120 through the introducing channel 160 connected to the water pump 150 to cool the battery module 110, and is then supplied to the radiator 130 through the discharging channel 170 to thereby be cooled.
The cooling medium cooled in the radiator 130 is supplied to and stored in the water tank 140 and is then again circulated.
Here, at least one thermoelectric element 121, 131, or 141 is attached to at least one of the cooling tube 120, the radiator 130, and the water tank 140 to cool the cooling medium.
In addition, it is preferable that the cooling tube 120, the radiator 130, and the water tank 140 are made of a metal such as aluminum having high thermal conductivity to effectively transfer heat to the thermoelectric elements 121, 131, and 141.
In the case in which the thermoelectric element 121 is attached to the cooling tube 120, the thermoelectric element 121 is installed so as not to correspond to a thermoelectric element 121 adjacent thereto.
That is, the battery module 110 is attached to one side of the cooling tube 120 and the thermoelectric element 121 is attached to the other side thereof, and a heat absorbing surface of the thermoelectric element 121 is attached to the cooling tube 120 and the other side of the thermoelectric element 121 is opened to generate the heat.
Here, since the heat is generated at the other side of the thermoelectric element 121, when the other sides of the thermoelectric elements 121 face each other, a temperature increases, which is inefficient. Therefore, it is preferable that another thermoelectric element is not positioned on the other side of the thermoelectric element 121.
In addition, in the case in which the thermoelectric elements 121 are installed to correspond to each other, they occupy a large space, which is inefficient since a space in which the battery module 110 is installed is restrictive.
The radiator 130 has the thermoelectric element 131 attached thereto and cools the cooling medium transferred from the discharging channel 170.
The water tank 140 has the thermoelectric element 141 attached to an outer side thereof to cool the cooling medium stored in the water tank 140. Here, it is preferable that the water tank 140 is made of a metal such as aluminum having high thermal conductivity to efficiently transfer the heat to the thermoelectric element 141.
It is preferable that generally used water is used as the cooling medium to cool the battery module 110.
When the thermoelectric elements 121, 131, and 141 are attached to at least one of the cooling tube 120, the radiator 130, and the water tank 140, they are attached thereto using a thermal grease or a thermal pad so that the heat is efficiently transferred.
The thermoelectric elements 121, 131, and 141 are connected to a battery management system (BMS) or a printed circuit board (PCB) to thereby be controlled.
The BMS is a system managing the battery module 110, and the thermoelectric elements 121, 131, and 141 may be connected to the BMS to thereby be controlled or may be controlled by installing the PCB independently controlling the thermoelectric elements 121, 131, and 141.
The thermoelectric elements 121, 131, and 141 are operated using the battery module 110 or a voltage of a vehicle.
The thermoelectric element 121, 131, and 141 may be directly connected to the battery module 110 or be connected to the voltage of the vehicle to thereby be operated.
The thermoelectric elements 121, 131, and 141 are operated by power supply poles of a cathode and an anode. When portions at which the cathode and the anode are connected to each other are exchanged with each other, a low temperature part and a high temperature part are exchanged with each other.
According to the above-mentioned feature, in the case in which an external temperature is low, the portions at which the cathode and the anode are connected to each other are exchanged with each other to use the low temperature part as the high temperature part, thereby making it possible to raise a temperature of a refrigerant of the battery 110. Therefore, the battery module 110 is heated, such that performance of the battery module 110 may be improved.
A structure of cooling a thermoelectric element according to the exemplary embodiment of the present invention will be described in detail with reference to FIG. 2.
A heat absorbing surface of the thermoelectric element 121, 131, or 141 is attached to at least one of the cooling tube 120, the radiator 130, and the water tank 140, and a heat discharging surface of the thermoelectric element 121, 131, or 141 is installed with a cooling fin 122 to discharge the heat generated in the thermoelectric element to the outside.
In addition, it is preferable that a cooling fan 123 is installed over the cooling fin 122 to efficiently cool the cooling fin.
Only one of the cooling fin 122 and the cooling fan 123 may be selectively installed in the thermoelectric element. That is, only the cooling fin 122 may be installed at the other side of the thermoelectric element 121, 131, or 141 or only the cooling fan 123 may be installed at the other side of the thermoelectric element 121, 131, or 141. Alternatively, as shown in FIG. 2, the cooling fin 122 may be installed at the other side of the thermoelectric element 121, 131, and 141, and the cooling fan 123 may be installed over the cooling fin 122.
Therefore, according to the exemplary embodiment of the present invention, the battery cooling system 100 using a thermoelectric element capable of precisely controlling a temperature of the battery and having a simple structure by attaching the thermoelectric elements 121, 131, and 141 to the cooling tube 120, the water tank 140, and the radiator 130 may be provided.

Claims (7)

  1. A battery cooling system using a thermoelectric element comprising:
    a plurality of battery modules;
    cooling tubes installed on the battery modules in order to absorb heat generated in the battery modules;
    a water pump transferring a cooling medium to the cooling tubes through an introducing channel;
    a water tank storing the cooling medium therein and connected to the water pump; and
    a radiator receiving the cooling medium heated in the cooling tubes through a discharging channel, cooling the received cooling medium, and supplying the cooled cooling medium to the water tank,
    wherein at least one of the cooling tube, the radiator, and the water tank has at least one thermoelectric element attached thereto.
  2. The battery cooling system of claim 1, wherein the thermoelectric element is connected to a battery management system (BMS) or a printed circuit board (PCB) to thereby be controlled.
  3. The battery cooling system of claim 1, wherein the thermoelectric element is operated using the battery module or a voltage of a vehicle.
  4. The battery cooling system of claim 1, wherein the thermoelectric element is installed so as not to correspond to a thermoelectric element adjacent thereto in the case in which it is installed on the cooling tube.
  5. The battery cooling system of claim 1, wherein the thermoelectric element is attached to at least one of the cooling tube, the radiator, and the water tank using a thermal grease or a thermal pad.
  6. The battery cooling system of any one of claims 1 to 5, wherein the thermoelectric element has one side attached to at least one of the cooling tube, the radiator, and the water tank and includes a cooling fin or a cooling fan attached to the other side thereof.
  7. The battery cooling system of claim 1, wherein the cooling tube, the radiator, and the water tank are made of aluminum having high thermal conductivity.
PCT/KR2013/001963 2012-03-13 2013-03-12 Battery cooling system using thermoelectric element WO2013137612A1 (en)

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KR10-2012-0025425 2012-03-13

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Cited By (4)

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CN105548891A (en) * 2015-12-02 2016-05-04 北京长城华冠汽车科技股份有限公司 Battery heat test device and battery heat test method
CN106025428A (en) * 2016-05-26 2016-10-12 武汉理工大学 Circulating device of electric vehicle battery thermal management system and control method of circulating device
CN108886189A (en) * 2016-01-12 2018-11-23 先端联合股份有限公司 Battery pack temperature control, power supply system
US10910680B2 (en) 2016-01-27 2021-02-02 Ford Global Technologies, Llc Battery thermal management system including thermoelectric device

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US9927156B2 (en) 2015-10-20 2018-03-27 Hyundai Motor Company Heat exchanging device using thermoelectric element

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US20090280395A1 (en) * 2008-05-09 2009-11-12 Gm Global Technology Operations, Inc. Battery Thermal System for Vehicle
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US8127564B2 (en) * 2007-02-07 2012-03-06 Toyota Jidosha Kabushiki Kaisha Cooling system

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US5624003A (en) * 1992-12-10 1997-04-29 Toyota Jidosha Kabushiki Kaisha Battery temperature-raising device for electric vehicle
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CN105548891A (en) * 2015-12-02 2016-05-04 北京长城华冠汽车科技股份有限公司 Battery heat test device and battery heat test method
CN108886189A (en) * 2016-01-12 2018-11-23 先端联合股份有限公司 Battery pack temperature control, power supply system
US10910680B2 (en) 2016-01-27 2021-02-02 Ford Global Technologies, Llc Battery thermal management system including thermoelectric device
CN106025428A (en) * 2016-05-26 2016-10-12 武汉理工大学 Circulating device of electric vehicle battery thermal management system and control method of circulating device
CN106025428B (en) * 2016-05-26 2018-07-17 武汉理工大学 A kind of circulator and control method of batteries of electric automobile heat management system

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