WO2022085954A1 - 배터리 팩, 전자 디바이스, 및 자동차 - Google Patents
배터리 팩, 전자 디바이스, 및 자동차 Download PDFInfo
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- WO2022085954A1 WO2022085954A1 PCT/KR2021/012643 KR2021012643W WO2022085954A1 WO 2022085954 A1 WO2022085954 A1 WO 2022085954A1 KR 2021012643 W KR2021012643 W KR 2021012643W WO 2022085954 A1 WO2022085954 A1 WO 2022085954A1
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- Prior art keywords
- battery pack
- battery
- temperature
- present
- temperature sensor
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Classifications
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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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/486—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring temperature
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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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/482—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for several batteries or cells simultaneously or sequentially
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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
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
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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
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
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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
- 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
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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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
- H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
- H01M50/209—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
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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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
- H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
- H01M50/211—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for pouch 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
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
- H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
- H01M50/213—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for cells having curved cross-section, e.g. round or elliptic
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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
- 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
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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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/271—Lids or covers for the racks or secondary casings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/569—Constructional details of current conducting connections for detecting conditions inside cells or batteries, e.g. details of voltage sensing terminals
-
- 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
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- 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 pack, an electronic device, and a vehicle, and more particularly, to a battery pack that facilitates installation of a temperature sensor and increases the reliability of temperature measurement of a plurality of battery cells.
- lithium secondary batteries have almost no memory effect compared to nickel-based secondary batteries, so charging and discharging are free, The self-discharge rate is very low and the energy density is high, attracting attention.
- Such a lithium secondary battery mainly uses a lithium-based oxide and a carbon material as a positive electrode active material and a negative electrode active material, respectively.
- a lithium secondary battery includes an electrode assembly in which a positive electrode plate and a negative electrode plate to which a positive electrode active material and a negative electrode active material are applied, respectively, are disposed with a separator interposed therebetween, and an exterior material for sealingly housing the electrode assembly together with an electrolyte, that is, a battery case.
- the lithium secondary battery may be classified into a can-type battery cell in which an electrode assembly is embedded in a metal can, and a pouch-type battery cell in which an electrode assembly is embedded in a pouch of an aluminum laminate sheet.
- the can-type battery cell may be manufactured as a cylindrical metal can in which the electrode assembly is embedded.
- Such a can-type battery cell may be used to construct a battery pack including a module case accommodating a plurality of secondary batteries and a bus bar configured to electrically connect the plurality of battery cells.
- the battery pack of the prior art basically measures the temperature change according to the charging and discharging of a plurality of battery cells in order to grasp the operating state of the battery or the battery life.
- the battery pack of the prior art uses a temperature sensor that measures the temperature of a plurality of battery cells. At this time, an adhesive tape was added to fix the temperature sensor where temperature measurement is generally required.
- battery packs of the prior art have a problem in that, even when the temperature of the battery cells is the same, there is a deviation in temperature values measured by the temperature sensor. Accordingly, it is difficult to manage the life or safety of the battery pack by measuring the temperature of the battery pack.
- an object of the present invention is to provide a battery pack that facilitates installation of a temperature sensor and increases the reliability of temperature measurement of a plurality of battery cells.
- a temperature measuring unit configured to measure a temperature of at least one of the plurality of battery cells
- a temperature sensor connected to the temperature measuring unit and configured to sense the temperature of at least one of the plurality of battery cells and transmit an electrical signal to the temperature measuring unit;
- a side wall portion configured to form an internal space for accommodating the plurality of battery cells, an opening formed in the side wall portion so that at least one portion of the plurality of battery cells is exposed to the outside, an inlet communicating with the opening, and the temperature and a module case having a receiving portion accommodating an end of the sensor, and a fixing rib extending from the side wall portion to cover a portion of the inlet.
- a step having a different length protruding toward the battery cell may be formed in a portion thereof.
- the temperature sensor is
- a wire unit provided with an electric wire to transmit an electric signal
- a thermistor part configured to change electrical resistance according to a change in temperature of the battery cell, positioned at an end of the wire part, and having a cross-sectional area greater than that of the wire part may be provided.
- a fixing groove configured to be partially inserted into the fixing rib and a portion of the wire portion may be inserted may be formed in the fixing rib.
- At least one pressing protrusion protruding toward the thermistor part may be provided in the space of the receiving part so that the thermistor part is in close contact with the part of the battery cell exposed through the opening.
- the two or more pressing protrusions may be spaced apart by a predetermined distance and have different protruding lengths.
- it may further include an adhesive configured to be injected into the space of the receiving portion.
- an elastic member configured to press the thermistor part may be further included in the space of the receiving part.
- the electronic device according to the present invention for achieving the above object includes at least one battery pack.
- the vehicle according to the present invention for achieving the above object includes at least one battery pack.
- the present invention includes a module case having a accommodating portion in which the temperature sensor is accommodated and a fixed rib configured to cover the entrance of the accommodating portion, so that the end of the temperature sensor is accommodated in the space of the accommodating portion. , it can effectively prevent it from escaping to the outside again. Accordingly, in the prior art, unlike the use of an adhesive tape for fixing the end of the temperature sensor, since the adhesive tape is unnecessary, there is an advantage that can reduce the material cost and the manufacturing process time.
- FIG. 1 is a schematic perspective view of a battery pack according to an embodiment of the present invention.
- FIG. 2 is an exploded perspective view schematically illustrating a configuration of a battery pack according to an embodiment of the present invention.
- FIG. 3 is an enlarged view of area A of FIG. 1 .
- FIG. 4 is a view illustrating the accommodating portion area of FIG. 3 viewed from another angle after the first frame is removed.
- FIG. 5 is a view corresponding to FIG. 4 and is a view showing an accommodating part area of the battery pack according to the second embodiment of the present invention.
- FIG. 6 is a view corresponding to FIG. 4 and is a view showing an accommodating part area of a battery pack according to a third embodiment of the present invention.
- FIG. 7 is a view corresponding to FIG. 4 and is a view showing an accommodating part area of a battery pack according to a fourth embodiment of the present invention.
- FIG. 1 is a schematic perspective view of a battery pack according to an embodiment of the present invention
- FIG. 2 is an exploded perspective view schematically showing the configuration of a battery pack according to an embodiment of the present invention
- FIG. 3 is FIG. 1 It is an enlarged view of area A of
- the battery pack 100 of the present invention includes two assemblies in which the first frame 131 and the second frame 132 are combined. In FIG. 2 for the convenience of description of the drawings, only the assembly located in the front of the two assemblies is separated and illustrated.
- a battery pack 100 includes a plurality of battery cells 110 , a temperature measuring unit 160 , a temperature sensor 120 , and a module case 130 . do.
- each of the plurality of battery cells 110 may be a lithium secondary battery capable of charging and discharging.
- the battery cell 110 may be a can-type battery cell 110 .
- the battery cell 110 may include a positive terminal 111 and a negative terminal 112 at one end and the other end, respectively.
- the battery cell 110 may include a cylindrical can.
- the battery pack 100 according to the present invention is not limited to the configuration of the battery cell 110 having a specific shape. That is, various battery cells known at the time of filing of the present invention may be employed in the battery pack 100 according to the present invention.
- the battery pack 100 of the present invention may further include a plurality of metal plates 170 .
- the metal plate 170 may be configured to form an electrical connection between the plurality of cylindrical battery cells 110 .
- the metal plate 170 may include a conductive metal.
- the metal plate 170 may include, for example, at least one of copper, nickel, and aluminum.
- the metal plate 170 may be mounted on the left or right side of the module case 130 .
- the temperature measuring unit 160 may be configured to sense the temperature of at least one or more of the plurality of battery cells 110 to transmit an electrical signal to the temperature measuring unit 160 .
- the temperature measuring unit 160 may be configured to calculate the temperature of the battery cell 110 through the electrical signal transmitted from the temperature sensor 120 .
- the temperature measuring unit 160 may include a connector C configured to be connected to the temperature sensor 120 .
- the temperature sensor 120 may serve as a sensor for converting heat into an electrical signal.
- the temperature sensor 120 may include a wire part 121 and a thermistor part 122 .
- the wire unit 121 may be provided with a wire to transmit an electrical signal.
- the wire part 121 may include two wires. The two wires may be wrapped in an electrically insulating sheath.
- the thermistor unit 122 may be configured to change electrical resistance according to a temperature change of the battery cell 110 .
- the thermistor unit 122 may be electrically connected to an end of the wire unit 121 .
- the wire part 121 may be located at an end of the wire part 121 and have a cross-sectional area greater than that of the wire part 121 .
- the thermistor unit 122 may have a cylindrical shape.
- the module case 130 may be provided with an electrically insulating material.
- polyvinyl chloride may be employed as a material of the module case 130 .
- the module case 130 may include a side wall portion 133 .
- the side wall part 133 may be configured to form an internal space accommodating the plurality of battery cells 110 .
- the side wall part 133 may have four sides including a front wall, a rear wall, a left wall, and a right wall.
- the module case 130 may include an upper wall covering the upper portions of the plurality of battery cells 110 and a lower wall covering the lower portions of the plurality of battery cells 110 .
- the positive direction of the Y-axis and the negative direction of the Y-axis may refer to the rear and the front.
- the positive direction of the Z axis and the negative direction of the Z axis may refer to an upward direction and a downward direction.
- the module case 130 may have a box-shaped body as a whole.
- the module case 130 may have a plurality of hollows O of the body to accommodate the plurality of battery cells 110 therein.
- the module case 130 as shown in FIG. 2, may have a plurality of cylindrical hollows (O).
- the module case 130 may include a first frame 131 and a second frame 132 that form a space for accommodating the plurality of cylindrical battery cells 110 .
- the first frame 131 may be configured such that a rear end thereof is coupled to a front end of the second frame 132 .
- the coupling method may be, for example, bolting coupling.
- an opening 134 may be formed in the sidewall portion 133 .
- the opening 134 may be formed by perforating a portion of the side wall portion 133 so that at least one portion of the plurality of battery cells 110 may be exposed to the outside.
- the module case 130 may include a accommodating part 135 .
- the accommodating part 135 is a space communicating with the opening 134 and is an accommodating space in which the thermistor part 122 of the temperature sensor 120 is accommodated.
- the accommodating part 135 can be said to be a space positioned inside the module case 130 at the location where the opening 134 is located.
- the receiving portion may have an inlet communicating with the opening.
- the accommodating part 135 may have an inlet at an upper portion (+Z-axis direction).
- the inlet means a space in the +Z-axis direction with respect to the upper portion of the receiving portion 135 , that is, the receiving portion 135 in FIG. 1 , and the first frame 131 and the second frame 132 . ) may be formed by combining parts of each.
- the module case 130 may include the fixing ribs 136 .
- the fixing rib 136 may be configured to cover a portion of the inlet.
- the fixing rib 136 may be configured to prevent the thermistor part 122 of the temperature sensor 120 inserted into the accommodating part 135 from escaping to the outside of the accommodating part 135 .
- the fixing rib 136 may be a portion extending from the sidewall.
- the fixing rib 136 may be configured to cover one side (rear), the other side (front), or one side and the other side with respect to the center of the entrance of the receiving part 135 .
- the fixing rib 136 may be provided in the second frame 132 .
- the present invention is a module case 130 having a accommodating part 135 in which the temperature sensor 120 is accommodated and a fixing rib 136 configured to cover the entrance of the accommodating part 135 .
- FIG. 4 is a view illustrating the accommodating portion area of FIG. 3 viewed from another angle after the first frame is removed.
- a step S having different lengths protruding toward the battery cell 110 may be formed in a portion of the fixing rib 136 .
- the fixing rib 136 may be located at one side of the inlet of the receiving part 135 .
- the fixing rib 136 may be formed to have a longer length protruding toward the battery cell 110 as it approaches the side (rear side) of the inlet of the receiving part 135 . That is, the step S refers to a portion in which the length of the fixing rib 136 protruding toward the battery cell 110 is changed in stages.
- an end of the temperature sensor 120 may be configured to be positioned at the step S of the fixing rib 136 . That is, the wire part 121 of the temperature sensor 120 may be configured to be positioned at a relatively long portion of the fixing rib 136 protruding toward the battery cell 110 .
- the end of the temperature sensor 120 may move toward the stepped portion of the fixing rib 136 after passing through the central portion of the inlet. That is, after the thermistor part 122 of the temperature sensor 120 is inserted into the space of the receiving part 135 , it may move to the lower part of the fixing rib 136 . Accordingly, movement of the thermistor unit 122 in the upward direction may be restricted by the step portion of the fixing rib 136 .
- a step S configured to have a different length protruding toward the battery cell 110 is formed in a portion of the fixing rib 136 , so that the temperature sensor 120 ) end may be supported toward the battery cell 110 by the end of the fixing rib 136 , the end of the temperature sensor 120 may be located closer to the battery cell 110 , or , or may be in close contact with the outer surface of the battery cell 110 . Accordingly, the present invention has an advantage in that the temperature of the battery cell 110 can be measured more quickly and accurately through the temperature sensor 120 .
- the present invention may further include an adhesive 140 configured to be injected into the space of the receiving part 135 .
- the adhesive 140 may be an adhesive 140 that is solidified after being injected into the inner space of the receiving part 135 .
- the adhesive 140 may have transparency and electrical insulation.
- the adhesive 140 may be glue or hot-melt resin.
- the adhesive 140 may include at least one of a polyamide-based resin, a polyimide-based resin, an epoxy-based resin, and an acrylic resin.
- the adhesive 140 may be configured to fix the position of the thermistor part 122 of the temperature sensor 120 . That is, the adhesive 140 may fix the end of the temperature sensor 120 .
- FIG. 5 is a view corresponding to FIG. 4 and is a view showing an accommodating part area of the battery pack according to the second embodiment of the present invention.
- a fixing groove H may be further formed in the fixing rib 136 , unlike the fixing rib 136 of FIG. 3 .
- the fixing groove (H) may be formed by inserting a part into the fixing rib (136). That is, the fixing groove (H) may be formed inside the body from the end of the fixing rib (136).
- the fixing groove H may be configured such that a portion of the wire part 121 of the temperature sensor 120 is inserted.
- a fixing groove (H) configured to insert a part of the wire part 121 is formed in a part of the fixing rib 136, so that the temperature sensor 120 is formed.
- the wire part 121 of the can be stably fixed to the fixing groove (H), the separation distance from the battery cell 110 can effectively reduce the deviation. That is, in the present invention, the thermistor part 122 of the temperature sensor 120 is stably fixed by the fixing groove H and the position thereof can be fixed.
- the manufactured battery pack 100 when the position of the end of the temperature sensor 120 is different from each other, it is possible to solve the problem that the reliability of the temperature measured by the temperature measuring unit 160 is lowered.
- FIG. 6 is a view corresponding to FIG. 4 and is a view showing an accommodating part area of a battery pack according to a third embodiment of the present invention.
- At least one pressing protrusion P may be provided in the space of the accommodating part 135 .
- the pressing protrusion P may protrude from the inner surface of the inner space of the receiving part 135 so that the thermistor part 122 is in close contact with the part of the battery cell 110 exposed through the opening 134 . there is.
- the pressing protrusion P may have a shape protruding toward the thermistor unit 122 .
- three pressing protrusions P protrude from the inner surface of the receiving part 135 toward the thermistor part 122 , and the thermistor part 122 is the battery cell. It may be configured to be in close contact with 110 .
- At least one pressing protrusion P is provided in the space of the receiving part 135 , so that the thermistor part 122 of the temperature sensor 120 is pressurized. Since it can be supported toward the battery cell 110 by the protrusion P, the thermistor part 122 of the temperature sensor 120 may be located closer to the battery cell 110, or the battery It may be made to be in close contact with the outer surface of the cell 110 . Accordingly, the present invention has an advantage in that the temperature of the battery cell 110 can be measured more quickly and accurately through the temperature sensor 120 .
- At least two of the pressing protrusions P may be provided.
- three pressing protrusions P may be formed on the inner surface of the receiving part 135 .
- the two or more pressing protrusions P may be spaced apart by a predetermined distance and have different lengths L protruding toward the thermistor unit 122 of the temperature sensor 120 .
- the three pressing protrusions P protrude toward the thermistor part 122 of the pressing protrusions P located lower than the pressing protrusions P located relatively above.
- the length L may be longer. Accordingly, a lower portion of the thermistor unit 122 may be positioned closer to the battery cell 110 than an upper portion.
- the thermistor of the temperature sensor 120 is the battery cell 110 by having at least two or more pressing protrusions P having different lengths L protruding from each other. It can help to be positioned corresponding to the outer surface of the. That is, the at least two or more pressing protrusions P can adjust the accommodated position of the thermistor unit 122 of the temperature sensor 120 , so that the thermistor unit 122 is spaced apart from the outer surface of the battery cell 110 at a constant distance. may be maintained, or the area in close contact with the outer surface of the battery cell 110 may be further enlarged.
- FIG. 7 is a view corresponding to FIG. 4 and is a view showing an accommodating part area of a battery pack according to a fourth embodiment of the present invention.
- the battery pack 100 may further include an elastic member 150 when compared to the battery pack 100 of FIG. 4 .
- the elastic member 150 may include, for example, a material having elastic deformation or elastic restoring force.
- the material may be, for example, any one or more of silicone, urethane, rubber, and sponge.
- the elastic member 150 may be previously accommodated in the space of the accommodating part 135 before the end of the temperature sensor 120 is inserted.
- the elastic member 150 may be configured to press the thermistor unit 122 . That is, when the thermistor part 122 of the temperature sensor 120 enters the inside of the receiving part 135 , the elastic member 150 decreases in volume due to elastic deformation, and then the thermistor part 122 . ), when the insertion process is finished, the volume is expanded again by the elastic force, and the thermistor part 122 of the temperature sensor 120 is in close contact with the outer surface of the battery cell 110 by the elastic force of the elastic member 150 . It can be pressurized to become
- the present invention includes the elastic member 150 configured to press the thermistor unit 122, so that the thermistor unit 122 of the temperature sensor 120 is configured to be the battery cell ( 110), or may be in close contact with the outer surface of the battery cell 110. Accordingly, the present invention has an advantage in that the temperature of the battery cell 110 can be measured more quickly and accurately through the temperature sensor 120 .
- the battery pack 100 according to an embodiment of the present invention, various devices (not shown) for controlling the charging and discharging of the battery pack 100, for example, a BMS (Battery Management System), a current sensor, a fuse, etc. More may be included.
- BMS Battery Management System
- an electronic device (not shown) according to an embodiment of the present invention includes at least one or more of the aforementioned battery packs 100 .
- the electronic device may further include a device housing (not shown) having a storage space for accommodating the battery pack 100 and a display unit through which the user can check the charging state of the battery pack 100 .
- the battery pack 100 may be included in a vehicle such as an electric vehicle or a hybrid vehicle. That is, the vehicle according to an embodiment of the present invention may include at least one or more of the battery pack 100 . In the vehicle, the battery pack 100 may be mounted on a vehicle body.
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- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Aviation & Aerospace Engineering (AREA)
- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
Description
Claims (10)
- 복수의 전지셀;상기 복수의 전지셀 중 적어도 하나 이상의 온도를 측정하도록 구성된 온도 측정부;상기 온도 측정부와 연결되고 상기 복수의 전지셀 중 적어도 하나 이상의 온도를 감지하여 상기 온도 측정부로 전기 신호를 송신하도록 구성된 온도 센서; 및상기 복수의 전지셀을 수용하는 내부 공간을 형성하도록 구성된 측벽부, 상기 복수의 전지셀 중 적어도 하나 이상의 일부분이 외부로 노출되도록 상기 측벽부에 형성된 개구, 상기 개구와 연통하는 입구를 구비하고 상기 온도 센서의 단부를 수용하는 수용부, 및 상기 입구의 일부분을 커버하도록 상기 측벽부로부터 연장된 고정 리브를 구비한 모듈 케이스를 포함하는 것을 특징으로 하는 배터리 팩.
- 제1항에 있어서,상기 고정 리브는,일부분에 상기 전지셀을 향해 돌출된 길이가 다르게 구성된 단차가 형성된 것을 특징으로 하는 배터리 팩.
- 제1항에 있어서,상기 온도 센서는,전기 신호를 전송하도록 전선이 구비된 와이어부; 및상기 전지셀의 온도 변화에 따라 전기 저항이 변하도록 구성되고 상기 와이어부의 단부에 위치되며 상기 와이어부의 단면적 보다 더 큰 단면적을 가진 서미스터부를 구비한 것을 특징으로 하는 배터리 팩.
- 제3항에 있어서,상기 고정 리브에는 일부분이 내입되고 상기 와이어부의 일부분이 삽입되도록 구성된 고정홈이 형성된 것을 특징으로 하는 배터리 팩.
- 제3항에 있어서,상기 서미스터부가 상기 개구를 통해 노출된 상기 전지셀의 일부분과 밀착되도록 상기 수용부의 공간에는 상기 서미스터부를 향해 돌출된 적어도 하나 이상의 가압 돌기가 구비된 것을 특징으로 하는 배터리 팩.
- 제5항에 있어서,상기 가압 돌기는, 적어도 둘 이상이 구비되고,상기 둘 이상의 가압 돌기는 소정 거리로 이격되고 돌출된 길이가 서로 다른 것을 특징으로 하는 배터리 팩.
- 제1항에 있어서,상기 수용부의 공간에 주입되도록 구성된 접착제를 더 포함한 것을 특징으로 하는 배터리 팩.
- 제3항에 있어서,상기 수용부의 공간에는 상기 서미스터부를 가압하도록 구성된 탄성 부재를 더 포함하는 것을 특징으로 하는 배터리 팩.
- 제1항 내지 제8항 중, 어느 한 항에 따른 배터리 팩을 적어도 하나 이상 포함한 것을 특징으로 하는 전자 디바이스.
- 제1항 내지 제8항 중, 어느 한 항에 따른 배터리 팩을 적어도 하나 이상 포함한 것을 특징으로 하는 자동차.
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| JP2022565682A JP7500767B2 (ja) | 2020-10-21 | 2021-09-15 | バッテリーパック、電子デバイス、及び自動車 |
| CN202180033748.XA CN115516697B (zh) | 2020-10-21 | 2021-09-15 | 电池组、电子装置以及车辆 |
| EP21883026.3A EP4148864A4 (en) | 2020-10-21 | 2021-09-15 | BATTERY PACK, ELECTRONIC DEVICE AND VEHICLE |
| US18/008,383 US12592421B2 (en) | 2020-10-21 | 2021-09-15 | Battery pack, electronic device and vehicle |
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| WO2025004827A1 (ja) * | 2023-06-29 | 2025-01-02 | パナソニックIpマネジメント株式会社 | 電源装置及びその製造方法 |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120053458A (ko) * | 2010-11-12 | 2012-05-25 | 삼성에스디아이 주식회사 | 서미스터가 장착된 보호회로모듈 및 이를 구비한 이차전지 팩 |
| KR20140032596A (ko) * | 2012-09-06 | 2014-03-17 | 삼성에스디아이 주식회사 | 배터리 팩 |
| KR20170027547A (ko) * | 2015-09-02 | 2017-03-10 | 주식회사 엘지화학 | 전지팩의 셀 모듈 및 그 조립 방법 |
| JP2019100952A (ja) * | 2017-12-06 | 2019-06-24 | 矢崎総業株式会社 | 温度センサの収容構造、及び、電池パック |
| KR20190112468A (ko) * | 2018-03-26 | 2019-10-07 | 에이치엘그린파워 주식회사 | 전지셀 카트리지 |
| KR20200137092A (ko) | 2019-05-29 | 2020-12-09 | 김종원 | 전통시장 활성화를 위한 실시간 결제 카운팅 기반 이벤트 관리 시스템 |
Family Cites Families (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5459388A (en) | 1993-09-10 | 1995-10-17 | Compaq Computer Corp. | Battery pack with minimum hard wiring connection for portable computer |
| KR100319690B1 (ko) | 1999-06-29 | 2002-01-09 | 윤종용 | 열교환기의 온도센서 고정구조 |
| JP2006035942A (ja) | 2004-07-23 | 2006-02-09 | Sanyo Electric Co Ltd | 車両用の電源装置 |
| JP4694278B2 (ja) * | 2005-04-28 | 2011-06-08 | 本田技研工業株式会社 | バッテリユニット構造 |
| KR101348579B1 (ko) * | 2010-12-07 | 2014-01-10 | 주식회사 엘지화학 | 온도 센싱 어셈블리 및 이를 포함하는 전지모듈 어셈블리 |
| JP5710375B2 (ja) * | 2011-05-13 | 2015-04-30 | 日立オートモティブシステムズ株式会社 | 蓄電装置 |
| KR101629497B1 (ko) * | 2013-03-15 | 2016-06-10 | 주식회사 엘지화학 | 서미스터 고정부를 구비하는 배터리 팩 및 이에 적용되는 셀 하우징 |
| JP6070386B2 (ja) * | 2013-04-18 | 2017-02-01 | 株式会社豊田自動織機 | 電池モジュール |
| KR101708365B1 (ko) | 2013-09-13 | 2017-02-20 | 삼성에스디아이 주식회사 | 배터리 팩 |
| KR101706305B1 (ko) | 2013-09-25 | 2017-02-13 | 주식회사 엘지화학 | 온도 센서를 포함하는 전지모듈 |
| JP6379765B2 (ja) * | 2014-07-10 | 2018-08-29 | 株式会社豊田自動織機 | 電池モジュール |
| JP7014504B2 (ja) * | 2016-02-23 | 2022-02-01 | 株式会社Gsユアサ | 蓄電装置及び蓄電装置の製造方法 |
| KR102505615B1 (ko) | 2016-02-29 | 2023-03-06 | 삼성에스디아이 주식회사 | 배터리 팩 |
| KR101815152B1 (ko) | 2016-10-06 | 2018-01-05 | (주) 래트론 | 배터리 온도 감지장치 |
| DE102016219840B4 (de) | 2016-10-12 | 2018-10-18 | Bayerische Motoren Werke Aktiengesellschaft | Batteriezelle mit Temperatursensor |
| KR102256600B1 (ko) | 2017-02-16 | 2021-05-26 | 주식회사 엘지에너지솔루션 | 배터리 모듈, 이러한 배터리 모듈을 포함하는 배터리 팩 및 이러한 배터리 팩을 포함하는 자동차 |
| DE102018208340B4 (de) * | 2018-05-28 | 2025-05-08 | Bayerische Motoren Werke Aktiengesellschaft | Zellkontaktieranordnung für ein Energiespeichermodul und Verfahren zum Kontaktieren von Energiespeicherzellen eines Energiespeichermoduls |
| WO2020021889A1 (ja) * | 2018-07-25 | 2020-01-30 | パナソニックIpマネジメント株式会社 | 管理装置、及び電源システム |
| KR102899350B1 (ko) * | 2019-05-13 | 2025-12-11 | 현대모비스 주식회사 | 배터리 모듈 어셈블리 및 이의 제조 방법 |
| KR102893909B1 (ko) * | 2019-07-25 | 2025-12-02 | 현대모비스 주식회사 | 배터리 모듈 어셈블리 |
| KR102759865B1 (ko) * | 2019-08-09 | 2025-02-03 | 현대모비스 주식회사 | 구동모터용 환형터미널 유닛의 온도센서 조립구조 및 이의 조립방법 |
| KR102899501B1 (ko) * | 2019-08-21 | 2025-12-15 | 현대모비스 주식회사 | 배터리 모듈 어셈블리 및 이의 조립 방법 |
| KR102957125B1 (ko) * | 2019-10-04 | 2026-04-23 | 주식회사 엘지에너지솔루션 | 배터리 모듈, 이러한 배터리 모듈을 포함하는 배터리 팩 및 이러한 배터리 팩을 포함하는 자동차 |
-
2021
- 2021-09-15 EP EP21883026.3A patent/EP4148864A4/en active Pending
- 2021-09-15 KR KR1020210123525A patent/KR20220052823A/ko active Pending
- 2021-09-15 CN CN202180033748.XA patent/CN115516697B/zh active Active
- 2021-09-15 WO PCT/KR2021/012643 patent/WO2022085954A1/ko not_active Ceased
- 2021-09-15 JP JP2022565682A patent/JP7500767B2/ja active Active
- 2021-09-15 US US18/008,383 patent/US12592421B2/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120053458A (ko) * | 2010-11-12 | 2012-05-25 | 삼성에스디아이 주식회사 | 서미스터가 장착된 보호회로모듈 및 이를 구비한 이차전지 팩 |
| KR20140032596A (ko) * | 2012-09-06 | 2014-03-17 | 삼성에스디아이 주식회사 | 배터리 팩 |
| KR20170027547A (ko) * | 2015-09-02 | 2017-03-10 | 주식회사 엘지화학 | 전지팩의 셀 모듈 및 그 조립 방법 |
| JP2019100952A (ja) * | 2017-12-06 | 2019-06-24 | 矢崎総業株式会社 | 温度センサの収容構造、及び、電池パック |
| KR20190112468A (ko) * | 2018-03-26 | 2019-10-07 | 에이치엘그린파워 주식회사 | 전지셀 카트리지 |
| KR20200137092A (ko) | 2019-05-29 | 2020-12-09 | 김종원 | 전통시장 활성화를 위한 실시간 결제 카운팅 기반 이벤트 관리 시스템 |
Non-Patent Citations (1)
| Title |
|---|
| See also references of EP4148864A4 |
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| US12592421B2 (en) | 2026-03-31 |
| JP2023523617A (ja) | 2023-06-06 |
| EP4148864A4 (en) | 2025-02-19 |
| KR20220052823A (ko) | 2022-04-28 |
| TW202220263A (zh) | 2022-05-16 |
| CN115516697A (zh) | 2022-12-23 |
| EP4148864A1 (en) | 2023-03-15 |
| US20230282899A1 (en) | 2023-09-07 |
| CN115516697B (zh) | 2025-11-14 |
| JP7500767B2 (ja) | 2024-06-17 |
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