WO2023033607A1 - 배터리 모듈, 이러한 배터리 모듈을 포함하는 배터리 팩 및 이러한 배터리 팩을 포함하는 자동차 - Google Patents
배터리 모듈, 이러한 배터리 모듈을 포함하는 배터리 팩 및 이러한 배터리 팩을 포함하는 자동차 Download PDFInfo
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- WO2023033607A1 WO2023033607A1 PCT/KR2022/013229 KR2022013229W WO2023033607A1 WO 2023033607 A1 WO2023033607 A1 WO 2023033607A1 KR 2022013229 W KR2022013229 W KR 2022013229W WO 2023033607 A1 WO2023033607 A1 WO 2023033607A1
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- WO
- WIPO (PCT)
- Prior art keywords
- battery
- module
- bus bar
- groove
- battery cell
- Prior art date
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Images
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
-
- 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
-
- 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
-
- 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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
- H01M50/507—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing comprising an arrangement of two or more busbars within a container structure, e.g. busbar modules
-
- 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
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
- H01M50/514—Methods for interconnecting adjacent batteries or 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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
- H01M50/519—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing comprising printed circuit boards [PCB]
-
- 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
- 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
- H01M50/572—Means for preventing undesired use or discharge
- H01M50/584—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries
- H01M50/588—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries outside the batteries, e.g. incorrect connections of terminals or busbars
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Definitions
- the present invention relates to a battery module, a battery pack including the battery module, and a vehicle including the battery pack.
- Secondary batteries which are highly applicable to each product group and have electrical characteristics such as high energy density, are used not only in portable devices but also in electric vehicles (EVs) or hybrid electric vehicles (HEVs) driven by an electrical driving source. It is universally applied. These secondary batteries have not only the primary advantage of significantly reducing the use of fossil fuels, but also the advantage of not generating any by-products due to the use of energy, so they are attracting attention as a new energy source for eco-friendliness and energy efficiency improvement.
- EVs electric vehicles
- HEVs hybrid electric vehicles
- a battery pack may be configured by connecting a plurality of battery cells in series.
- a battery pack may be configured by connecting a plurality of battery cells in parallel according to a charge/discharge capacity required for the battery pack. Accordingly, the number of battery cells included in the battery pack may be variously set according to a required output voltage and/or charge/discharge capacity.
- a battery pack is configured by connecting a plurality of battery cells in series and/or parallel
- a battery module including at least one battery cell is first configured, and other components are configured using the at least one battery module.
- a method of configuring a battery pack or battery rack by adding a battery is common.
- a conventional battery module generally includes a plurality of battery cells and a module housing accommodating the plurality of battery cells. Since such a battery module is manufactured in a form in which a plurality of battery cells are concentrated in a narrow space, it is important to accurately measure heat generated from each secondary battery in order to prevent a fire or the like. That is, it is important to properly arrange the thermistor around the secondary battery cell.
- a bus bar assembly using a wire bonding method for automatic fusing when an overcurrent occurs may be considered.
- the wire bonding may be welded by, for example, an ultrasonic welding method. Through such wire bonding, the bus bar plate and the battery cell may be electrically connected.
- the wire bonding method since the strength of the wire is low, there is a possibility that the wire is easily damaged by an external force. For example, in a wiring process of arranging a thermistor at a portion of the battery cell assembly having the highest temperature, a wire may be damaged by a worker, resulting in disconnection of the electrical connection.
- the present invention has been devised to solve the above problems, and an object of the present invention is to measure the temperature in the vicinity of a battery cell having a maximum temperature in a battery cell assembly in a battery module to which wire bonding is applied.
- Another object of the present invention is to minimize damage to the wire and thereby reduce the risk of insulation.
- a battery module according to an aspect of the present invention for achieving the above object includes a battery cell assembly including a plurality of battery cells;
- a module housing having an inner space accommodating the battery cell assembly
- At least one bus bar assembly mounted on at least a portion of an outer surface of the module housing and electrically connected to a plurality of battery cells of the battery cell assembly;
- an interconnection board connected to the at least one bus bar assembly and sensing voltages of a plurality of battery cells of the battery cell assembly;
- At least one thermistor provided on the interconnection board and seated in the module housing to measure a temperature of at least one battery cell among the plurality of battery cells; It is characterized in that it includes.
- At least one groove provided between the plurality of openings and formed to a predetermined depth to seat the at least one thermistor; may be provided.
- bus bar plate mounted on at least a portion of an outer surface of the module housing and covering the at least one groove
- a plurality of bus bar wires electrically connecting terminals of the battery cells exposed through the plurality of openings of the module housing and the bus bar plate; may be included.
- the at least one groove may be located between adjacent battery cells.
- the at least one groove may extend from one end of the module housing to the inside of the battery cell assembly.
- the at least one groove may extend from one end of the module housing to a center of the battery cell assembly.
- the battery module may include an injection tube covering at least a portion of the thermistor.
- the injection tube may be seated in the at least one groove.
- the injection tube may be bendable along the at least one groove.
- the ejection tube may have a shape complementary to that of the at least one groove.
- the battery module may further include a glue positioned between the injection tube and the bus bar plate and bonding the injection tube and the bus bar plate.
- the glue may fill a space between the at least one groove and the injection tube. Also, the glue may fix the ejection tube.
- the battery module may further include an insulating resin disposed in a space between the thermistor and the bus bar plate to prevent electrical contact between the thermistor and the bus bar plate.
- the present invention as a battery pack, provides a battery pack characterized in that it includes at least one battery module according to the above-described embodiments.
- the present invention provides a vehicle, characterized in that it includes at least one battery pack according to the above-described embodiment.
- the present invention in a battery module to which wire bonding is applied, it is possible to easily measure a temperature near a battery cell having a maximum temperature in a battery cell assembly.
- the present invention it is possible to provide a battery module with improved stability, a battery pack including the battery module, and a vehicle.
- the present invention may have various other effects, which will be described in each embodiment, or descriptions of effects that can be easily inferred by those skilled in the art will be omitted.
- FIG. 1 is a diagram for explaining a battery module according to an embodiment of the present invention.
- FIG. 2 is an exploded perspective view of the battery module of FIG. 1;
- FIG. 3 is a view for explaining a module housing of the battery module of FIG. 1 .
- FIG. 4 is a diagram for explaining the thermistor and interconnection board of FIG. 1 .
- 5 and 6 are views for explaining how the thermistor is mounted in the module housing.
- FIG. 7 is a diagram for explaining a battery module according to another embodiment of the present invention.
- FIG. 8 is a diagram for explaining a battery module according to another embodiment of the present invention.
- FIG. 9 is a view for explaining the relationship between a thermistor, an injection tube, and a bus bar assembly.
- FIG. 10 is a diagram for explaining a battery pack including the battery module of FIG. 1 .
- FIG. 11 is a diagram for explaining a vehicle including the battery pack of FIG. 10 .
- FIG. 1 is a view for explaining a battery module according to an embodiment of the present invention
- FIG. 2 is an exploded perspective view of the battery module of FIG. 1 .
- a battery module 1 includes a battery cell assembly 10, a module housing 20, a bus bar assembly 30, and an interconnection board 40. and a thermistor 50.
- the battery cell assembly 10 may include a plurality of battery cells 11 .
- the plurality of battery cells 11 may be accommodated in the module housing 20 .
- the plurality of battery cells 11 may be stacked to be electrically connected to each other within the module housing 20 .
- Each of the plurality of battery cells 11 will be described in more detail.
- the battery cell 11 may be, for example, a secondary battery. Also, the battery cell 11 may be a cylindrical battery cell 11 . However, this does not limit the type of the battery cell 11, and may be employed in the battery module 1 of the present invention in other forms, such as prismatic cells or pouch-type cells.
- the battery cell 11 may include a positive terminal 11p and a negative terminal 11n.
- the positive terminal 11p and the negative terminal 11n may be provided together at one end of the battery cell 11 .
- a positive electrode terminal 11p may be provided at the center of one end of the battery cell 11, and a negative electrode terminal 11n may be provided at the outer circumference of one end of the battery cell 11. may be provided.
- the positions of the positive terminal 11p and the negative terminal 11n are not limited thereto and may be variously modified according to the design method of the battery cell 11 .
- the module housing 20 may have an inner space accommodating the battery cell assembly 10 .
- the module housing 20 may include an upper housing 21 and a lower housing 22 .
- the module housing 20 may further include, for example, a side plate 23 covering the upper housing 21 .
- the upper housing 21 and the lower housing 22 may be formed by being coupled by a fastening method such as bolting or welding, for example.
- the upper housing 21 and the lower housing 22 may be manufactured in an integrated form.
- the coupling method of the upper housing 21 and the lower housing 22 is not limited thereto, and other coupling methods may be employed.
- the module housing 20 may include a high-strength plastic material or a metal material to secure rigidity.
- a battery cell assembly 10 may be accommodated in the module housing 20 .
- both ends of the battery cells 11 are respectively upper housing 21 and lower housing 22 It may be placed upright so as to come into contact with.
- the plurality of battery cells 11 may be placed upright with positive terminals 11p and negative terminals 11n facing the upper housing 21 .
- FIG. 3 is a view for explaining a module housing of the battery module of FIG. 1 .
- the upper housing 21 may include a plurality of openings 21a and at least one groove 21b.
- the plurality of openings 21a may be holes for exposing at least a portion of the plurality of battery cells 11 to the outside.
- one end of the battery cell 11 may communicate with the outside of the module housing 20 through the plurality of openings 21a. That is, one end of the battery cell 11 may be exposed to the outside of the module housing 20 through the plurality of openings 21a. Accordingly, the battery cell 11 may be electrically connected to a bus bar wire 32 to be described later.
- the groove 21b may be provided between the plurality of openings 21a.
- the groove 21b may be formed to a predetermined depth so that at least one thermistor 50 can be seated therein. Also, the at least one groove 21b may be positioned between adjacent battery cells 11 .
- the at least one groove 21b may be provided to extend from one end of the module housing 20 to the inside of the battery cell assembly 10 .
- the at least one groove 21b may be provided to extend from one end of the module housing 20 to the center of the battery cell assembly 10 .
- the temperature of the battery cell 11 located at the center of the battery cell assembly 10 may be the highest. Accordingly, the groove 21b extends from one end of the module housing 20 to the center of the battery cell assembly 10 so that the thermistor 50 can be located at the center of the battery cell assembly 10. it is desirable
- At least one groove 21b may be provided not only in the center of the battery cell assembly 10 but also in other locations.
- the groove 21b may be adjacent to an interconnection board 40 to be described later.
- the groove 21b may have an extended shape to accommodate a wire extending from the interconnection board 40 to the center of the battery cell assembly 10 .
- the bus bar assembly 30 may include at least one bus bar plate 31 and a plurality of bus bar wires 32 .
- the bus bar assembly 30 may be mounted on at least a part of an outer surface of the module housing 20 .
- the bus bar assembly 30 may be electrically connected to the plurality of battery cells 11 of the battery cell assembly 10 .
- the bus bar plate 31 may be electrically connected to a plurality of wires.
- the plurality of bus bar wires 32 may be electrically connected to the plurality of battery cells 11 .
- the bus bar wire 32 may electrically connect the bus bar plate 31 and the electrode terminal of the battery cell 11 .
- the plurality of bus bar wires 32 may electrically connect terminals of the battery cells 11 exposed through the plurality of openings 21a of the module housing 20 to the bus bar plate 31 .
- the bus bar plate 31 may be mounted on at least a part of an outer surface of the module housing 20 .
- the bus bar plate 31 may cover the at least one groove 21b.
- the battery module 1 may further include glue that bonds at least a part of the outer surface of the upper housing 21 and the bus bar plate 31 .
- bus bar plate 31 The coupling and arrangement relationship between the bus bar plate 31 and the bus bar wire 32 and other components will be described later in detail while referring to FIGS. 5 to 9 .
- FIG. 4 is a diagram for explaining the thermistor and interconnection board of FIG. 1 .
- 5 and 6 are views for explaining how the thermistor is mounted on the module housing.
- the interconnection board 40 may be connected to the at least one bus bar assembly 30 . Also, the interconnection board 40 may sense voltages of the plurality of battery cells 11 of the battery cell assembly 10 .
- the interconnection board 40 may be mounted on one end of the upper housing 21 . More specifically, referring to FIG. 2 , the interconnection board 40 may extend to both ends of the upper housing 21 . With this structure, the interconnection board 40 can sense voltages of all battery cells 11 accommodated in the battery module 1 .
- the thermistor 50 may be provided on the interconnection board 40 . More specifically, the thermistor 50 may have a shape including a wire extending from a portion of the interconnection board 40 to the opposite side.
- the thermistor 50 may be seated in the module housing 20 to measure the temperature of at least one battery cell 11 among the plurality of battery cells 11 .
- the thermistor 50 may be seated in the groove 21b of the upper housing 21 .
- the thermistor 50 may be inserted toward the inside of the module housing 20 at one end of the groove 21b of the upper housing 21 .
- the thermistor 50 may be fixed in a state in contact with an outer surface of an adjacent battery cell 11 .
- the battery module 1 is located in a space between the thermistor 50 and the bus bar plate 31 to prevent electrical contact between the thermistor 50 and the bus bar plate 31. It may further include an insulating resin to. That is, the location of the thermistor 50 may be fixed by the insulating resin.
- the number of thermistors 50 may be plural, for example.
- two thermistors 50a and 50b may be provided extending from the interconnection board 40 .
- the battery module 1 may further include an injection tube 60 covering at least a portion of the thermistor 50 .
- the injection tube 60 may cover a wire that is at least a part of the thermistor 50 . That is, the injection tube 60 may electrically insulate the thermistor 50 from surroundings by covering the wire of the thermistor 50 .
- the injection tube 60 may be seated in the at least one groove 21b.
- the injection tube 60 may have a shape complementary to that of the at least one groove 21b. Therefore, the ejection tube 60 can be accurately fitted in the groove 21b and accurately fixed in the groove 21b without shaking or play.
- the injection tube 60 may be configured to be bendable along the at least one groove 21b. Therefore, even if the groove 21b has a curved shape rather than a straight line, the injection tube 60 may be deformable to fit the curved shape of the groove 21b. Therefore, the ejection tube 60 can be firmly fixed in the groove 21b.
- FIG. 7 is a view for explaining a battery module according to another embodiment of the present invention
- FIG. 8 is a view for explaining a battery module according to another embodiment of the present invention.
- the ejection tube 63 may include a plurality of tubes unlike the ejection tube 60 of FIG. 6 .
- the ejection tube may include a two-layered tube. According to this structure, the rigidity of the injection tube 63 can be further increased. In addition, even if one of the plurality of tubes is damaged, electrical insulation between the wire of the thermistor 50 accommodated inside and the outside can be reliably maintained by the other tubes.
- the ejection tube 65 may include at least one partition film 65w dividing a space within the ejection tube 65 into a plurality of spaces.
- the ejection tube 65 may include a partitioning film 65w dividing a space within the ejection tube 65 into two spaces.
- 9 is a view for explaining the relationship between the thermistor 50, the injection tube 60 and the bus bar assembly 30.
- the battery cell 11 may be a cylindrical battery cell 11 and may have both a positive terminal 11p and a negative terminal 11n at one end. At this time, the positive terminal 11p and the negative terminal 11n of the battery cell 11 may be exposed to the outside of the module housing 20 by the opening 21a of the upper housing 21 .
- At least one groove 21b may be formed in the upper housing 21, and the thermistor 50 surrounded by the injection tube 60 may be seated in the groove 21b. there is.
- the thermistor 50 may be fixed at one end of the groove 21b while being inserted toward the inside of the module housing 20 .
- the thermistor 50 is located in a space between the thermistor 50 and the bus bar plate 31 and prevents electrical contact between the thermistor 50 and the bus bar plate 31 by insulating resin. Its position can be firmly fixed. Therefore, the reliability of the temperature measured by the thermistor 50 can be increased.
- the injection tube 60 and the thermistor 50 seated in the groove 21b may be covered by a bus bar plate 31 .
- the battery module 1 is located between the injection tube 60 and the bus bar plate 31, and glue, which adheres the injection tube 60 and the bus bar plate 31, can include That is, the injection tube 60 and the bus bar plate 31 may be adhered and fixed by the glue.
- the glue may fill a space between the at least one groove 21b and the ejection tube 60 and fix the ejection tube 60 . Therefore, the bus bar plate 31 can be securely fixed in a certain position.
- the bus bar plate 31 may be mounted on at least a part of an outer surface of the module housing 20, in addition to the groove 21b.
- the bus bar plate 31 may be disposed side by side between the openings 21a and 21a.
- the glue may also be applied between the upper housing 21 and the bus bar plate 31.
- the bus bar wire 32 may electrically connect the bus bar plate 31 and the electrode terminal of the battery cell 11 .
- a positive terminal 11p may be positioned at the center of one end of the battery cell 11, and a negative terminal 11n may be positioned at the outer periphery of one end of the battery cell 11. It can be.
- the bus bar wire 32 may connect the bus bar plate 31 located on one side of the battery cell 11 and the positive electrode terminal 11p.
- the bus bar wire 32 may connect the bus bar plate 31 located on the other side of the battery cell 11 and the negative electrode terminal 11n.
- FIG. 9 a positive terminal 11p may be positioned at the center of one end of the battery cell 11
- a negative terminal 11n may be positioned at the outer periphery of one end of the battery cell 11. It can be.
- the bus bar wire 32 may connect the bus bar plate 31 located on one side of the battery cell 11 and the positive electrode terminal 11p.
- the bus bar wire 32 may connect the bus bar plate 31 located on the other side of the battery cell 11 and
- a plurality of battery cells 11 disposed in the direction in which the bus bar plate 31 extends are connected in parallel to each other, and the direction in which the bus bar plate 31 extends.
- the connection method of the battery cell 11 is not limited thereto, and may vary according to the connection method of the bus bar wire 32 .
- the temperature of the battery cell 11 located in the center which is the part with the highest temperature in the battery cell assembly 10 can be effectively measured. there is.
- the wire included in the thermistor 50 is inserted into the module housing 20 and fixed at the same time, even the bus bar wire 32 with weak rigidity can be maintained without being damaged. there is.
- FIG. 10 is a view for explaining a battery pack including the battery module of FIG. 1
- FIG. 11 is a view for explaining a vehicle including the battery pack of FIG. 10 .
- a battery pack P according to the present invention may include at least one battery module 1 according to the present invention described above.
- the battery pack P according to the present invention may include a pack case capable of accommodating the at least one battery module 1 .
- other various components other than the battery module 1 may further include components of the battery pack P known at the time of filing of the present invention, such as a BMS, a pack case, a relay, a current sensor, etc. .
- a vehicle V according to the present invention may include at least one battery pack P according to the present invention.
- the temperature in the vicinity of the battery cell 11 having the maximum temperature among the battery cell assemblies 10 can be easily measured.
- damage to the bus bar wire 32 and the resulting risk of insulation can be effectively reduced.
- cost increase can be minimized.
- the battery module 1 with improved stability, a battery pack P including the same, and a vehicle V.
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Aviation & Aerospace Engineering (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
Description
Claims (15)
- 복수의 배터리 셀을 포함하는 배터리 셀 어셈블리;상기 배터리 셀 어셈블리를 수용하는 내부 공간을 갖는 모듈 하우징;상기 모듈 하우징의 외측면 중 적어도 일부에 장착되며, 상기 배터리 셀 어셈블리의 복수의 배터리 셀과 전기적으로 연결되는 적어도 하나의 버스바 어셈블리;상기 적어도 하나의 버스바 어셈블리와 연결되며, 상기 배터리 셀 어셈블리의 복수의 배터리 셀의 전압을 센싱하는 인터커넥션 보드; 및상기 인터커넥션 보드에 구비되며, 상기 복수의 배터리 셀 중 적어도 하나의 배터리 셀의 온도를 측정하기 위해 상기 모듈 하우징 내에 안착되는 적어도 하나의 써미스터; 를 포함하는 것을 특징으로 하는 배터리 모듈.
- 제 1 항에 있어서,상기 모듈 하우징에는,상기 복수의 배터리 셀을 외부로 노출하기 위한 복수의 개구; 및상기 복수의 개구 사이에 마련되며, 상기 적어도 하나의 써미스터를 안착시킬 수 있게 소정 깊이로 형성되는 적어도 하나의 그루브;가 구비되는 것을 특징으로 하는 배터리 모듈.
- 제 2 항에 있어서,상기 버스바 어셈블리는,상기 모듈 하우징의 외측면 중 적어도 일부에 장착되며, 상기 적어도 하나의 그루브를 커버하는 버스바 플레이트; 및상기 모듈 하우징의 복수의 개구를 통해 노출된 상기 배터리 셀의 단자와 상기 버스바 플레이트를 전기적으로 연결하는 복수의 버스바 와이어;를 포함하는 것을 특징으로 하는 배터리 모듈.
- 제 3 항에 있어서,상기 적어도 하나의 그루브는,인접한 배터리 셀 사이에 위치한 것을 특징으로 하는 배터리 모듈.
- 제 3 항에 있어서,상기 적어도 하나의 그루브는,상기 모듈 하우징의 일 단부로부터, 상기 배터리 셀 어셈블리의 내부까지 연장되어 있는 것을 특징으로 하는 배터리 모듈.
- 제 3 항에 있어서,상기 적어도 하나의 그루브는,상기 모듈 하우징의 일 단부로부터, 상기 배터리 셀 어셈블리의 중심부까지 연장되어 있는 것을 특징으로 하는 배터리 모듈.
- 제 3 항에 있어서,상기 배터리 모듈은,상기 써미스터의 적어도 일부를 커버하는 사출 튜브;를 포함하는 것을 특징으로 하는 배터리 모듈.
- 제 7 항에 있어서,상기 사출 튜브는,상기 적어도 하나의 그루브 내에 안착되는 것을 특징으로 하는 배터리 모듈.
- 제 7 항에 있어서,상기 사출 튜브는,상기 적어도 하나의 그루브를 따라 벤딩 가능한 것을 특징으로 하는 배터리 모듈.
- 제 7 항에 있어서,상기 사출 튜브는,상기 적어도 하나의 그루브와 상보적인 형상을 갖는 것을 특징으로 하는 배터리 모듈.
- 제 7 항에 있어서,상기 배터리 모듈은,상기 사출 튜브와 상기 버스바 플레이트 사이에 위치되며, 상기 사출 튜브와 상기 버스바 플레이트를 접착하는, 글루;를 더 포함하는 것을 특징으로 하는 배터리 모듈.
- 제 11 항에 있어서,상기 글루는,상기 적어도 하나의 그루브와 상기 사출 튜브 사이의 공간을 메꾸며, 상기 사출 튜브를 고정시키는 것을 특징으로 하는 배터리 모듈.
- 제 3 항에 있어서,상기 배터리 모듈은,상기 써미스터와 상기 버스바 플레이트 사이의 공간에 위치하여, 상기 써미스터와 상기 버스바 플레이트의 전기 접촉을 방지하는 절연 레진;을 더 포함하는 것을 특징으로 하는 배터리 모듈.
- 제 1 항 내지 제 13 항 중 어느 한 항에 기재된 배터리 모듈;을 적어도 하나 포함하는 것을 특징으로 하는 배터리 팩.
- 제 14 항에 기재된 배터리 팩;을 적어도 하나 포함하는 것을 특징으로 하는 자동차.
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Citations (6)
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JP2009277420A (ja) * | 2008-05-13 | 2009-11-26 | Yazaki Corp | 温度検出モジュールの取付構造 |
KR101348579B1 (ko) * | 2010-12-07 | 2014-01-10 | 주식회사 엘지화학 | 온도 센싱 어셈블리 및 이를 포함하는 전지모듈 어셈블리 |
JP6213687B2 (ja) * | 2015-01-23 | 2017-10-18 | 日立化成株式会社 | 蓄電ユニット |
JP6233654B2 (ja) * | 2014-11-25 | 2017-11-22 | 株式会社オートネットワーク技術研究所 | 配線モジュール |
JP2020205187A (ja) * | 2019-06-18 | 2020-12-24 | 矢崎総業株式会社 | 電線保持構造及びバスバーモジュール |
KR20210117934A (ko) | 2020-03-19 | 2021-09-29 | 현대자동차주식회사 | 차량 생성 데이터를 기록 및 관리하는 방법 및 시스템 |
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- 2022-09-02 WO PCT/KR2022/013229 patent/WO2023033607A1/ko active Application Filing
- 2022-09-02 CN CN202280043946.9A patent/CN117546336A/zh active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2009277420A (ja) * | 2008-05-13 | 2009-11-26 | Yazaki Corp | 温度検出モジュールの取付構造 |
KR101348579B1 (ko) * | 2010-12-07 | 2014-01-10 | 주식회사 엘지화학 | 온도 센싱 어셈블리 및 이를 포함하는 전지모듈 어셈블리 |
JP6233654B2 (ja) * | 2014-11-25 | 2017-11-22 | 株式会社オートネットワーク技術研究所 | 配線モジュール |
JP6213687B2 (ja) * | 2015-01-23 | 2017-10-18 | 日立化成株式会社 | 蓄電ユニット |
JP2020205187A (ja) * | 2019-06-18 | 2020-12-24 | 矢崎総業株式会社 | 電線保持構造及びバスバーモジュール |
KR20210117934A (ko) | 2020-03-19 | 2021-09-29 | 현대자동차주식회사 | 차량 생성 데이터를 기록 및 관리하는 방법 및 시스템 |
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