WO2011149234A2 - Bloc-batterie et ensemble pour véhicule électrique, et système de réglage de température les utilisant - Google Patents

Bloc-batterie et ensemble pour véhicule électrique, et système de réglage de température les utilisant Download PDF

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Publication number
WO2011149234A2
WO2011149234A2 PCT/KR2011/003769 KR2011003769W WO2011149234A2 WO 2011149234 A2 WO2011149234 A2 WO 2011149234A2 KR 2011003769 W KR2011003769 W KR 2011003769W WO 2011149234 A2 WO2011149234 A2 WO 2011149234A2
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WIPO (PCT)
Prior art keywords
electric vehicle
battery pack
battery
heat exchange
inlet
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Application number
PCT/KR2011/003769
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English (en)
Korean (ko)
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WO2011149234A3 (fr
Inventor
홍지준
고성태
김형중
Original Assignee
주식회사 코캄
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Application filed by 주식회사 코캄 filed Critical 주식회사 코캄
Publication of WO2011149234A2 publication Critical patent/WO2011149234A2/fr
Publication of WO2011149234A3 publication Critical patent/WO2011149234A3/fr

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    • 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
    • H01M10/63—Control systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION 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
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • B60L50/64—Constructional details of batteries specially adapted for electric vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION 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
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/24—Methods 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
    • B60L58/26—Methods 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
    • 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
    • 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
    • H01M10/6555—Rods or plates arranged between the cells
    • 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
    • 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
    • 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
    • H01M50/249—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
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/258—Modular batteries; Casings provided with means for assembling
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries

Definitions

  • the present invention relates to a battery for an electric vehicle, and more particularly, a battery pack and assembly for an electric vehicle, which prevents shortening the life of the battery by maintaining the battery at an appropriate temperature so as not to degrade the performance of the battery pack for the electric vehicle; It relates to a temperature control system using the same.
  • Electric vehicles are equipped with a battery that can be charged and discharged, and use the battery as a main power source. At this time, a plurality of batteries are connected and used to supply sufficient power to the electric vehicle.
  • Such electric vehicles have been developed to fundamentally solve various problems of vehicles equipped with internal combustion engines, which are mainstream, for example, environmental problems caused by exhaust gases caused by using fuel.
  • the electric vehicle is characterized in that the propulsion force of the vehicle is obtained not by the combustion action of the fuel but by the electric power provided from the charged battery, so that no exhaust gas is generated.
  • a battery for providing power required for driving in an electric vehicle is essential, and the performance of the battery is very important to have sufficient mileage and power performance as in a gasoline vehicle.
  • a factor depending on the temperature is important.
  • a temperature suitable for use of the battery is slightly different depending on the type of battery, it is usually maintained at a temperature of 0 °C to 40 °C, more preferably 5 °C to 35 °C.
  • the battery of the electric vehicle when the battery of the electric vehicle is overheated, the performance of the battery is deteriorated and power supply of the electric vehicle cannot be performed smoothly.
  • the battery should be maintained at the best temperature by lowering the ambient temperature so that the battery does not overheat.
  • the performance of the battery may not be maximized, and the temperature between the plurality of batteries may be different from each other, resulting in a shortening of the battery life due to overcharging or overdischarging of individual batteries according to changes in capacity of each battery. .
  • the present invention has been made to solve the above problems, using a coolant and / or air can easily maintain the proper temperature of use of the battery so that the performance of the battery, an electric vehicle battery pack and assembly and
  • the purpose is to provide a temperature control system using the same.
  • Still another object of the present invention is to provide a battery pack and assembly for an electric vehicle and a temperature control system using the same, which can prevent a shortened lifespan according to a change in capacity of each battery by reducing a temperature deviation between batteries connected to a plurality of batteries. It is.
  • the battery pack for an electric vehicle of the present invention the case is provided with a predetermined storage space therein is formed air vents;
  • a discharge sorting pipe connected to each outlet so that the main discharge part is formed and the cooling water discharged from the discharge ports formed in the heat exchange units is discharged to the main discharge part.
  • the case, the front plate, the rear plate, both the side plate and the lower plate coupled to the predetermined receiving space is formed; And an upper cover installed at an upper side of the main body and having an air vent formed at a front side and a rear side thereof.
  • the both side plates and the lower plate is formed with a plurality of heat dissipation fins protruding outward.
  • the heat exchange unit according to the present invention has a predetermined length, the inlet and outlet formed at both ends are bent toward the upper side to be formed to surround both sides and the lower edge of the unit cell; A groove line formed along a length direction of the curved flow pipe; And pads having both side edges and bottom edges inserted into the recess lines and having a plurality of through holes formed therein.
  • a partition plate is provided between each of the heat exchange units to provide a constant surface pressure such that the heat exchange unit and the unit cell are in close contact with the case, and the partition plate is in surface contact with the unit potential to transfer heat to the heat exchange unit.
  • a battery pack assembly assembled by connecting a plurality of battery packs for electric vehicles of the above configuration.
  • the cooling water discharged from the main discharge portion of the battery pack for the electric vehicle is cooled through the radiator to the main inlet portion
  • a circulation path configured to be introduced
  • a bypass pipe installed in the circulation path and configured to be introduced into the main inlet after the cooling water discharged from the main outlet is selectively heated by a heater
  • a motor for driving a pump for pumping the cooling water
  • a control unit for controlling the cooling water to be circulated to a circulation path or a bypass pipe.
  • the first flow path switching valve and the second flow path switching valve having three passages are installed at the coupling portion of the circulation path and the bypass pipe, and the first flow path switching valve and the second flow path switching valve are respectively controlled by a controller.
  • a passage connected with the circulation passage and a passage connected with the bypass pipe are opened and closed.
  • the air is introduced into the air vent of the battery pack for the electric vehicle together with the circulation of the cooling water, or the air is separately input.
  • FIG. 1 is an exploded perspective view showing a battery pack for an electric vehicle according to a preferred embodiment of the present invention.
  • FIG. 2 is an assembled perspective view of the battery pack for the electric vehicle of FIG. 1.
  • FIG. 2 is an assembled perspective view of the battery pack for the electric vehicle of FIG. 1.
  • FIG. 3 is a cross-sectional view taken along line III-III ′ of FIG. 2.
  • Figure 4 is a perspective view showing a heat exchange unit provided in the battery pack for an electric vehicle according to a preferred embodiment of the present invention.
  • FIG. 5 is a perspective view showing an assembly of a battery pack for an electric vehicle according to another preferred embodiment of the present invention.
  • Figure 6 is a block diagram showing a state of controlling the temperature of the battery pack for an electric vehicle according to another embodiment of the present invention.
  • radiator 330 bypass tube
  • FIG. 1 is an exploded perspective view showing a battery pack for an electric vehicle according to a preferred embodiment of the present invention
  • Figure 2 is an assembled perspective view of the battery pack for the electric vehicle of Figure 1
  • Figure 3 is a line III-III 'of FIG. According to the cross-sectional view.
  • the battery pack 100 for an electric vehicle includes a case 110 having a predetermined storage space therein, a plurality of unit cells 120 accommodated in the case 110, and a case 110.
  • a plurality of heat exchange unit 130, the unit cell 120 is installed, the inlet flow pipe 140 is provided so that the coolant flows into the inlet 134 formed in the heat exchange unit 130, and the heat exchange unit ( It is provided with a discharge sorting pipe 150 provided to discharge the cooling water to the discharge port 135 formed in 130.
  • the battery pack 100 of the present invention is mounted on an electric vehicle so as to supply power to an electric vehicle (not shown) by being connected to a single or plural number. These battery packs 100 are temperature controlled for smooth power supply to an electric vehicle. A system for controlling the temperature will be described below.
  • the case 110 includes a main body 111 having an upper portion open to form a predetermined accommodation space, and an upper cover 115 installed above the main body portion 111.
  • the shape of the case 110 in which the main body 111 and the upper cover 115 are combined is illustrated as having a rectangular pillar shape, the shape of the case 110 is not limited thereto, and the unit cell 120, the heat exchange unit 130, and the inflow will be described later. If the sorting pipe 140 and the discharge sorting pipe 150 can be accommodated may be made to have any shape.
  • the main body 111 is formed by combining the front plate 101, the rear plate 102, both side plates 103 and the lower plate 104 so that the upper portion is opened.
  • the both side plates 103 and the lower plate 104 are formed with a plurality of heat dissipation fins 113 protruding outward.
  • the heat dissipation fin 113 is formed at a portion corresponding to a portion in which the flow pipe 132 of the heat exchange unit 130 to be described later is formed, and is formed to dissipate heat more efficiently.
  • Rubber pads 112 are installed near each corner of the front plate 101 and the rear plate 102.
  • the rubber pad 112 provides a close contact force when connected to the neighboring battery pack 100, as well as prevents the case 110 from colliding with each other.
  • the both sides plate 103 is provided with a handle 114 to facilitate the movement of the case 110.
  • the upper cover 115 is installed above the main body 111.
  • the upper cover 115 is formed with an air vent 116.
  • the air vent 116 is formed to cool or heat the unit cell 120 accommodated in the case 110, and is formed at the front side and the rear side of the case 110 to allow air to pass through.
  • the air vent 116 is shown and described as being formed in the upper cover 115, but may be formed in the front plate 101 and the rear plate 102 of the body portion 111 as an alternative. In addition, even if the air vents 116 are not formed at the front and rear sides of the case 110, the air vent 116 may be formed at any position as long as air can be circulated.
  • the upper cover 115 has a positive electrode terminal 121 and a negative electrode terminal 122 formed by connecting a positive terminal (not shown) and a negative terminal (not shown) of the unit cell 120 according to each polarity.
  • the terminal insertion hole 117 is formed to be exposed to the cooling water pipe insertion hole so that the main inlet part 141 of the inlet sorting tube 140 and the main outlet part 151 of the outlet sorting tube 150 are exposed to the outside. 118 is formed.
  • the plurality of unit cells 120 may be selectively increased or decreased according to the use capacity of the battery pack 100 and stored in the case 110.
  • Each unit cell 120 is a secondary battery capable of charging and discharging, and is used in a structure in which the unit cells 120 are stacked or wound in the order of a positive electrode plate, a separator, and a negative electrode plate.
  • the unit cell 120 is classified into a lithium ion battery using a liquid electrolyte and a lithium polymer battery using a polymer electrolyte according to the type of electrolyte, and the unit cell 120 used in the present invention includes all such secondary batteries. It should be understood to include.
  • the shape of the unit cell 120 is divided into a cylindrical, square, pouch type according to the structure, in the present invention will be described as a secondary battery of the square, according to the shape of the battery pack 100 Obviously, the shape and structure of the case 110 may be modified.
  • each unit cell 120 is formed with a positive terminal and a negative terminal, a plurality of unit cells 120 are arranged so that each polarity is located in the same direction, the positive terminal portion formed by grounding so that the same polarity is electrically connected ( 121 and the negative electrode terminal 122 is provided.
  • the heat exchange unit 130 serves to cool or heat the unit cell 120, and provides a path through which the coolant moves.
  • the heat exchange unit 130 has a flow path tube 132 and the flow path tube 132 each having an inlet 134 and an outlet 135 formed at both ends thereof so that the cooling water may be moved. ), A pad 136 is provided.
  • the flow path tube 132 is formed to surround both sides and the lower side of the unit cell 120 is bent so that the inlet 134 and the outlet 135 formed at both ends.
  • the conduit line 133 is formed in the flow path tube 132 along the longitudinal direction of the flow path tube 132 so that the pad 136 is easily installed to prevent the pad 136 from moving.
  • the groove line 133 is formed along a curved shape along with the flow path tube 133 so that both edges and the lower edge of the pad 136 are inserted.
  • the pad 136 is in surface contact with the unit cell 120 according to the structure of the heat exchange unit 130 as described above.
  • the pad 136 serves as a medium for transferring heat, and may be made of copper or a metal material having excellent thermal conductivity. Accordingly, the pad 136 transfers the heat generated from the unit cell 120 to the flow path tube 132 or receives heat from the flow path tube 132 and transfers the heat to the unit cell 120 to more efficiently unit cell 120. To adjust the temperature.
  • the pad 136 is formed with a plurality of through holes 137 at regular intervals.
  • the through hole 137 serves to dissipate heat.
  • heat radiated by the through hole 137 may be more efficiently removed by wind circulated through the air vent 116 of the case 110.
  • the heat exchange unit 130 it is most preferable that two unit cells 120 are installed with the pad 136 interposed therebetween, but not limited thereto, and one unit cell may be provided in one heat exchange unit 130. 120 may be installed.
  • the number of heat exchange units 130 is preferably determined according to the number of unit cells 120 used.
  • the partition plate 138 is further installed between each of the heat exchange unit 130 and between the heat exchange unit 130 and the front plate 101 and the rear plate 102 of the case 110.
  • the partition plate 138 prevents the unit cells 120 from contacting the case 110 and also prevents adjacent unit cells 120 from contacting each other.
  • the partition plate 138 serves to provide a constant surface pressure so that each heat exchange unit 130 and the unit cell 120 are installed in close contact with each other without shaking in the case 110 together with the role of a heat transfer medium to facilitate heat exchange. Do it.
  • the inlet sorting tube 140 is connected to each inlet 134 formed in the plurality of heat exchange units 130.
  • the inflow sorting tube 140 is formed to have a cylindrical pipe tube shape, and has a main inlet 141 into which coolant is introduced and a plurality of auxiliary inlets 144 connected to each inlet 134. do.
  • the auxiliary inlet 144 has the same number as the number of heat exchange units 130.
  • the cooling water introduced through the main inlet 141 is simultaneously supplied to each inlet 134.
  • the discharge sorting tube 150 is connected to each of the outlets 135 formed in the plurality of heat exchange units 130.
  • the discharge sorting pipe 150 is formed to have a cylindrical pipe tube shape, and a main discharge part 151 through which the coolant is discharged and a plurality of auxiliary discharge parts 155 connected to the respective discharge ports 135 are formed.
  • the auxiliary discharge unit 155 has the same number as the number of the heat exchange unit 130. That is, the cooling water introduced through the inlet 134 passes through the flow path tube 132 and is discharged to the main outlet 151 through each outlet 135.
  • the coolant discharged to the main discharge unit 151 is introduced to the main inlet 141 again to circulate the coolant, wherein the coolant discharged to the main discharge unit 151 is a radiator (' After cooling by the 320 ') it is introduced into the main inlet 141 or heated by the heater (see' 340 'of FIG. 6) and then to the main inlet 141.
  • the circulation of such cooling water will be described below.
  • the pad 136 and the unit cell 120 contacted with the flow path tube 132 exchange heat.
  • the temperature of the can be adjusted.
  • the battery pack 100 having the structure as described above may be used as a single product, but a battery capacity of a battery used in an electric vehicle must be 60 Ah and a voltage of 300 V or more, so that a plurality of battery packs 100 are connected to each other. It is preferred to be used.
  • Capacity and voltage of each unit cell 120 accommodated in the battery pack 100 according to the present invention is 60Ah, 3.7V, as shown, two unit cells 120 in each of six heat exchange units 130 By being installed, the capacity of the single battery pack 100 is 60 Ah and the voltage is 44.4V.
  • the battery pack assembly 200 is manufactured by connecting a plurality of battery packs 100 to a main outlet 151 adjacent to a main inlet 141 of the battery pack 100. It includes a tube 210 for connecting and a bus bar 220 for connecting the positive terminal 121 and the negative terminal 122 of the neighboring battery pack 100.
  • the battery pack assembly 200 is a coolant flowing through the main inlet 141 of the battery pack 100 located in the outermost sequentially moved to the neighboring battery pack 100 through the tube 210
  • the coolant discharged through the main discharge part 151 of the battery pack 100 located at the outermost side may be introduced to the main inlet part 141 again.
  • the positive electrode terminal 121 and the negative electrode terminal 122 formed by connecting the plurality of unit cells 120 are electrically connected by the bus bar 220, so that the battery pack assembly 200 supplies power to the electric vehicle. It can be used as a power module.
  • the battery pack 100 mounted on the electric vehicle is provided as a plurality of assemblies 200 connected to the electric vehicle according to the required capacity and mounted on the electric vehicle.
  • the temperature control system includes a battery pack assembly 200, a motor M driving a pump (not shown) for pumping cooling water, and cooling water cooled by a radiator 320.
  • a pump not shown
  • the bypass pipe 330 installed in the circulation path 310 so that the discharged cooling water is heated by the heater 340 and flows into the main inlet 141, and the cooling water is selectively provided in the circulation path 310 or the bypass pipe (
  • the control unit 350 controls to circulate to 330.
  • the first flow path switching valve 351 and the second flow path switching valve 352 at the coupling portion of the circulation path 310 and the bypass pipe 330 so that the path of the coolant is controlled by the control unit 350. ) Is installed.
  • the first flow path switching valve 351 and the second flow path switching valve 352 are three-way valves to be selectively opened and closed by the control unit 350.
  • the first flow path switching valve 351 and the second flow path switching valve 352 are closed by the control unit 350 to a passage connected to the bypass pipe 330.
  • the control unit 350 By changing and opening the passage connected to the circulation path 310 to the cooling water is circulated.
  • the coolant absorbing the heat of the overheated unit cell 120 is cooled by the radiator 320 to be supplied back to the battery pack assembly 200, thereby circulating the cooled coolant to increase the temperature of the battery pack assembly 200. Will be lowered.
  • the arrow A represents the flow state of the cooling water circulated through the circulation path 310 via the radiator 320.
  • the first flow path switching valve 351 and the second flow path switching valve 352 by the control unit 350 to close the passage connected to the circulation path 310 And change the passage connected to the bypass pipe 330 to the open state so that the coolant is circulated.
  • the cooling water flowing to the bypass pipe 330 is heated by the heater 340 is supplied to the battery pack assembly 200 to adjust the temperature so that the battery has an appropriate temperature for use.
  • Arrow B represents the flow state of the coolant circulated through the bypass pipe 330 via the heater 340.
  • first and second flow path switching valves 351 and 352 have been described as being three-way valves, but are not limited thereto.
  • the circulation path 310 and the bypass pipe 330 may be connected to each other. Valves may be provided in each of the circulation passage 310 and the bypass pipe 330. That is, the paths through which the coolant is circulated may be adjusted by making the operations of the valves installed in the circulation path 310 and the bypass pipe 330 have operations opposite to each other.
  • valve control unit 350 Since opening and closing the valve by the control unit 350 is a well-known technique, a detailed description of the valve will be omitted.
  • a temperature sensor (not shown) may be installed in the battery pack assembly 200 to more easily control the circulation of the coolant. That is, when the temperature of the battery used by the temperature sensor is measured and the measured data is transmitted to the control unit 350, the control unit 350 selectively selects the battery to maintain the proper use temperature of the battery according to the measured data. It can be cooled or heated.
  • the air can be circulated by supplying air to the battery pack assembly 200.
  • the air may be sucked from the outside or generated by a separate blower (not shown) and supplied to the air vent 116 formed in the battery pack 100.
  • the air supplied to the air vent 116 may cool the overheated battery, or may supply the air heated by the heater to heat the battery.
  • the coolant may be used to supply air in a state where the coolant is circulated to control the temperature of the battery pack assembly 200 together with the coolant.
  • the battery pack 100 according to the present invention has a structure that can easily adjust the temperature in accordance with the temperature change according to the overheating of the unit cell 120 and the surrounding environment. That is, since the heat exchange unit 130 is formed to cover both sides and the lower side of each unit cell 120 to be in surface contact, it is possible to quickly cope with the temperature change of the unit cell 120, between each unit cell 120 By preventing the temperature deviation from occurring, it is possible to shorten the life of the battery.
  • the battery pack and assembly for an electric vehicle according to the present invention and the temperature control system using the same have the following effects.
  • the battery can be easily maintained at the proper use temperature by circulating around the cell, optionally with cooling water cooled by a radiator or cooling water heated by a heater.
  • air can be used to maintain the proper temperature of the battery.
  • the temperature control of the battery using the air can be made together with the control of the temperature of the battery by circulating the cooling water or can be made separately to efficiently control the temperature.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
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Abstract

La présente invention concerne une batterie pour un véhicule électrique et, plus particulièrement, un bloc-batterie et un ensemble pour un véhicule électrique, grâce auxquels il est possible d'empêcher la réduction de la durée de vie de la batterie en maintenant la batterie à une température de service appropriée de façon à ne pas affecter l'efficacité du bloc-batterie du véhicule électrique. La présente invention concerne également un système de réglage de la température les utilisant.
PCT/KR2011/003769 2010-05-27 2011-05-23 Bloc-batterie et ensemble pour véhicule électrique, et système de réglage de température les utilisant WO2011149234A2 (fr)

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KR10-2010-0049843 2010-05-27
KR1020100049843A KR101156958B1 (ko) 2010-05-27 2010-05-27 전기 자동차용 배터리 팩과, 조립체 및, 이를 이용한 온도제어 시스템

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WO2011149234A2 true WO2011149234A2 (fr) 2011-12-01
WO2011149234A3 WO2011149234A3 (fr) 2012-04-19

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WO2014189362A1 (fr) * 2013-05-24 2014-11-27 Super B B.V. Bloc de batterie et son procédé de fabrication
CN107331920A (zh) * 2017-08-18 2017-11-07 上海蔚来汽车有限公司 具有换热功能的电池包壳体和电池包
CN108281590A (zh) * 2018-03-29 2018-07-13 长沙优力电驱动系统有限公司 电池热管理装置及设有该装置的电池
JP2021500708A (ja) * 2018-07-03 2021-01-07 エルジー・ケム・リミテッド バッテリーモジュール
CN112443387A (zh) * 2020-10-22 2021-03-05 上海常田实业有限公司 一种挖掘机用发动机节能散热系统
CN117766910A (zh) * 2023-12-25 2024-03-26 无锡海潮新能源科技有限公司 一种锂电池冷却液温度控制系统
CN117766910B (zh) * 2023-12-25 2024-06-07 无锡海潮新能源科技有限公司 一种锂电池冷却液温度控制系统

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DE102012020516A1 (de) * 2011-12-09 2013-06-13 W.E.T. Automotive Systems Ag Temperier-Einrichtung für eine elektrochemische Spannungsquelle
KR101987778B1 (ko) * 2012-05-11 2019-06-11 에스케이이노베이션 주식회사 냉각 유로 관통형 이차전지모듈
KR101392799B1 (ko) * 2012-06-07 2014-05-14 주식회사 엘지화학 안정성이 향상된 구조 및 높은 냉각 효율성을 갖는 전지모듈
KR101417324B1 (ko) * 2012-08-24 2014-07-09 현대자동차주식회사 차량용 배터리모듈의 승온장치
KR101877996B1 (ko) * 2012-09-07 2018-07-16 현대자동차주식회사 배터리 시스템
KR102021150B1 (ko) * 2012-12-26 2019-09-11 현대모비스 주식회사 차량용 전지셀 모듈 어셈블리
KR101551088B1 (ko) 2014-05-09 2015-09-07 현대자동차주식회사 배터리 승온 시스템 및 릴레이 고장 검출 장치 및 그 방법
KR102411029B1 (ko) * 2015-12-29 2022-06-22 에스케이온 주식회사 배터리 모듈
KR102511573B1 (ko) * 2015-12-29 2023-03-17 에이치그린파워 주식회사 간접 냉각 방식 배터리 모듈 및 이의 조립 방법
KR102223514B1 (ko) 2015-12-29 2021-03-05 에스케이이노베이션 주식회사 배터리 모듈
KR102066701B1 (ko) * 2016-03-03 2020-01-15 주식회사 엘지화학 냉각 성능이 개선된 배터리 팩의 케이스 구조
CN106585352B (zh) * 2016-12-07 2019-03-19 江铃汽车股份有限公司 电池包及其热交换器
KR102020003B1 (ko) * 2018-05-29 2019-09-10 한국기계연구원 배터리셀 온도제어 시스템 및 배터리팩
KR102256103B1 (ko) * 2018-09-12 2021-05-25 주식회사 엘지에너지솔루션 배터리 모듈 및 이를 포함하는 배터리 팩

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KR20090002428A (ko) * 2007-06-28 2009-01-09 주식회사 엘지화학 효율적인 냉각 및 배기 구조의 중대형 전지팩
WO2009140199A2 (fr) * 2008-05-10 2009-11-19 Enerdel, Inc. Ensemble batterie
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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014189362A1 (fr) * 2013-05-24 2014-11-27 Super B B.V. Bloc de batterie et son procédé de fabrication
US20160111694A1 (en) * 2013-05-24 2016-04-21 Super B B.V. Battery assembly and method of manufacturing the same
US10490788B2 (en) 2013-05-24 2019-11-26 Super B B.V. Battery assembly and method of manufacturing the same
CN107331920A (zh) * 2017-08-18 2017-11-07 上海蔚来汽车有限公司 具有换热功能的电池包壳体和电池包
CN108281590A (zh) * 2018-03-29 2018-07-13 长沙优力电驱动系统有限公司 电池热管理装置及设有该装置的电池
CN108281590B (zh) * 2018-03-29 2024-02-02 长沙优力电驱动系统有限公司 电池热管理装置及设有该装置的电池
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US11258116B2 (en) 2018-07-03 2022-02-22 Lg Energy Solution, Ltd. Battery module
JP7102020B2 (ja) 2018-07-03 2022-07-19 エルジー エナジー ソリューション リミテッド バッテリーモジュール
JP2021500708A (ja) * 2018-07-03 2021-01-07 エルジー・ケム・リミテッド バッテリーモジュール
CN112443387A (zh) * 2020-10-22 2021-03-05 上海常田实业有限公司 一种挖掘机用发动机节能散热系统
CN117766910A (zh) * 2023-12-25 2024-03-26 无锡海潮新能源科技有限公司 一种锂电池冷却液温度控制系统
CN117766910B (zh) * 2023-12-25 2024-06-07 无锡海潮新能源科技有限公司 一种锂电池冷却液温度控制系统

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KR20110130277A (ko) 2011-12-05
WO2011149234A3 (fr) 2012-04-19

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