WO2021096023A1 - 전지 모듈 및 이를 포함하는 전지 팩 - Google Patents
전지 모듈 및 이를 포함하는 전지 팩 Download PDFInfo
- Publication number
- WO2021096023A1 WO2021096023A1 PCT/KR2020/009286 KR2020009286W WO2021096023A1 WO 2021096023 A1 WO2021096023 A1 WO 2021096023A1 KR 2020009286 W KR2020009286 W KR 2020009286W WO 2021096023 A1 WO2021096023 A1 WO 2021096023A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- battery
- battery cell
- cell stack
- module
- main body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Images
Classifications
-
- 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
- H01M10/615—Heating or keeping warm
-
- 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
- H01M10/657—Means for temperature control structurally associated with the cells by electric or electromagnetic means
-
- 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
- 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
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/617—Types of temperature control for achieving uniformity or desired distribution of 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/623—Portable devices, e.g. mobile telephones, cameras or pacemakers
-
- 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
- H01M10/63—Control systems
-
- 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
- H01M10/635—Control systems based on ambient 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/653—Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials
-
- 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
- H01M10/657—Means for temperature control structurally associated with the cells by electric or electromagnetic means
- H01M10/6571—Resistive heaters
-
- 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
-
- 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
- H01M50/258—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
- 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
- H01M50/289—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs
-
- 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
- H01M50/298—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the wiring of battery packs
-
- 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
- H01M50/503—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the shape of the interconnectors
-
- 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
- H01M50/505—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing comprising a single busbar
-
- 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
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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
- H01M2220/30—Batteries in portable systems, e.g. mobile phone, laptop
-
- 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 module and a battery pack including the same, and more particularly, to a battery module including a heating member and a battery pack including the same.
- Rechargeable batteries are attracting a lot of attention as an energy source in various product lines such as mobile devices and electric vehicles.
- Such a secondary battery is a potent energy resource that can replace the use of conventional products that use fossil fuels, and does not generate by-products due to energy use, and thus has been in the spotlight as an eco-friendly energy source.
- a battery module consisting of at least one battery cell is configured, and other components are added to the battery pack using at least one battery module. How to configure is common.
- Such a battery module includes a battery cell stack in which a plurality of battery cells are stacked, a busbar frame formed at both ends of the battery cell stack, and a sensing assembly positioned on the battery cell stack to measure the voltage and temperature of the battery cells. It can be configured to include.
- FIG. 1 is an exploded perspective view of a conventional battery module 10. Some configurations are omitted for convenience of description.
- a plurality of battery cells 21 are respectively located at both ends (x-axis direction and opposite direction) of the battery cell stack 20 and the battery cell stack 20.
- the formed busbar frame 30 may include a sensing assembly 40 positioned on the battery cell stack 20 and measuring voltage and temperature of the battery cells 21.
- the sensing assembly 40 may be formed of a flexible printed circuit (FPC) or a flexible flat cable (FFC).
- FPC flexible printed circuit
- FFC flexible flat cable
- cover plate 50 is intended to prevent damage to the sensing assembly 40 that may occur when it is accommodated in a mono frame (not shown).
- the battery cell 21, that is, a secondary battery includes, for example, a nickel cadmium battery, a nickel hydride battery, a nickel zinc battery, and a lithium secondary battery.
- lithium secondary batteries are widely used in the field of advanced electronic devices because of the advantages of free charging and discharging, a very low self-discharge rate, a high operating voltage, and a high energy density per unit weight, as a memory effect rarely occurs compared to nickel-based secondary batteries. have.
- the lithium secondary battery does not smoothly perform charging and discharging due to an increase in resistance at a low temperature, and has a characteristic in that the output and charging speed rapidly decrease. For this reason, when a lithium secondary battery used in an electric driving device is exposed to an external environment at a low temperature for a long time, the efficiency and output of the secondary battery are rapidly deteriorated.
- the battery cells 21 located at the outermost side are more affected by the external environment.
- the temperature of the outermost battery cells 21 may be relatively lowered, and thus a temperature deviation between the battery cells 21 of the battery cell stack 20 may be deepened.
- the temperature non-uniformity between the battery cells 21 may be a cause of lowering the life of the battery module 10 itself.
- Embodiments of the present invention have been proposed to solve the above problems, increasing the temperature of the battery cells to quickly escape the low temperature region, and applying more heat to the outermost battery cells to reduce the temperature deviation between the battery cells. Its purpose is to minimize it.
- a battery module includes a battery cell stack in which a plurality of battery cells are stacked; And a sensing assembly located on the battery cell stack, wherein the sensing assembly includes a main body located on the battery cell stack and a module connector connected to the main body, wherein the main body is a flexible circuit board (FPC: Flexible printed circuit) or a flexible flat cable (FFC), and the main body includes a hot wire circuit.
- FPC Flexible printed circuit
- FFC flexible flat cable
- the body portion may cover the entire upper surface of the battery cell stack.
- the hot wire circuit may pass over each of the plurality of battery cells.
- the plurality of battery cells may be stacked in a direction parallel to the main body while being vertically upright with the main body.
- a gap between the hot wire circuits passing through the top of the battery cells located at the outermost side of the battery cell stack may be narrower than the gap between the hot wire circuits passing through the top of other battery cells.
- a length of a portion passing through an upper portion of a battery cell located at the outermost side of the battery cell stack may be longer than a length of a portion passing through an upper portion of another battery cell.
- the distance between the hot wire circuits may be narrowed toward the outside from the center of the battery cell stack.
- the module connector may include a hot wire circuit input pin and a hot wire circuit output pin respectively connected to the hot wire circuit.
- the main body may further include a voltage sensing circuit and a temperature sensing circuit.
- the battery module may further include a thermally conductive resin layer positioned on a lower surface of the battery cell stack.
- the battery module may further include a module frame accommodating the battery cell stack, and the body portion may be positioned between an upper surface of the battery cell stack and the module frame.
- the temperature of the battery cell included in the battery module may be effectively increased by using the hot wire circuit included in the sensing assembly.
- the heating wire circuit can apply more heat to the outermost battery cells, temperature variation between the battery cells can be minimized.
- FIG. 1 is an exploded perspective view of a conventional battery module.
- FIG. 2 is a perspective view of a battery module according to an embodiment of the present invention.
- FIG. 3 is an exploded perspective view of the battery module of FIG. 2.
- FIG. 4 is a perspective view illustrating a sensing assembly included in the battery module of FIG. 3.
- FIG. 5 is a plan view of the sensing assembly of FIG. 4 viewed from above.
- FIG. 6 is a cross-sectional view of the battery module of FIG. 2 taken along the cut line A-A'.
- FIG. 7 is a top plan view of a sensing assembly as a modified embodiment of the present invention.
- FIG. 8 is a schematic diagram showing a battery cell, a hot wire circuit, a voltage sensing circuit, and a temperature sensing circuit.
- FIG. 9 is a view showing a U-shaped frame and an upper plate.
- a part such as a layer, film, region, or plate
- another part when one part is “directly above” another part, it means that there is no other part in the middle.
- the reference part means that it is located above or below the reference part, and means that it is located “above” or “on” in the direction opposite to the gravity. no.
- FIG. 2 is a perspective view of the battery module 100 according to an embodiment of the present invention
- FIG. 3 is an exploded perspective view of the battery module 100 of FIG. 2
- FIG. 4 is included in the battery module 100 of FIG. Is a perspective view showing the sensing assembly 400.
- the battery module 100 includes a battery cell stack 200 in which a plurality of battery cells 210 are stacked; And a sensing assembly 400 located on the battery cell stack 200, wherein the sensing assembly 400 includes a main body 410 located on the battery cell stack 200 and a module connected to the main body 410 Includes a connector 440.
- the main body 410 is a flexible printed circuit (FPC) or a flexible flat cable (FFC), and includes a hot wire circuit to be described later.
- FPC flexible printed circuit
- FFC flexible flat cable
- the main body 410 is a flexible circuit board or a flexible flat cable, sensing voltage and temperature of a plurality of battery cells 210, and transmitting electrical information to a battery machining system (BMS) through a module connector 440, To detect phenomena such as overvoltage, overcurrent, and overheating of each battery cell 210. Accordingly, the main body 410 may include a voltage sensing circuit and a temperature sensing circuit.
- BMS battery machining system
- a first bus bar frame 310 and a second bus bar frame 320 may be formed on the front side (x-axis direction) and the rear side (in the opposite direction of the x-axis) of the battery cell stack 200, respectively.
- Each bus bar frame 310 and 320 is equipped with a bus bar 300, and electrode leads of the battery cells 210 are connected to the bus bar 300, so that the battery cells 210 may be electrically connected to each other.
- the electrode leads of the battery cells 210 may be bent to be bonded to the busbar 300.
- the battery cell stack 200 may be housed in a mono frame 600 with an open front (x-axis direction) and a rear (x-axis opposite direction), and the end plate 700 covers the open front and rear surfaces. I can. There is no particular limitation on the bonding of the mono frame 600 and the end plate 700, but they may be welded together.
- the cover plate 500 is provided on the sensing assembly 400 to prevent damage to the sensing assembly 400. Can be placed.
- FIG. 5 is a plan view of the sensing assembly 400 of FIG. 4 viewed from above
- FIG. 6 is a cross-sectional view of the battery module 100 of FIG. 2 taken along a cut line A-A'.
- the body portion 410 including the hot wire circuit 411 may cover the entire upper surface of the battery cell stack 200. Further, the hot wire circuit 411 may pass over each of the plurality of battery cells constituting the battery cell stack 200.
- the heating wire circuit 411 may be a heating wire utilizing electric resistance.
- the temperature of the battery cell stack 200 may be artificially increased by including the hot wire circuit 411 in the sensing assembly 400.
- the heating circuit 411 is included in the sensing assembly 400 located above the battery cell stack 200, and the upper space of the battery cell stack 200 generally includes a sensing assembly. It is a space that can be located, and the existing space is utilized. In other words, since additional space is not required due to the insertion of a separate heating member, but the space in the width (y-axis direction) direction of the sensing assembly 400 is used, it can be considered that the existing internal space is efficiently utilized. . Heating the battery cell stack 200 without increasing the height of the battery module (z-axis direction) by extending the width (y-axis direction) of the sensing assembly 400 to cover the entire upper surface of the battery cell stack 200 You can come up with a plan.
- the heating wire circuit 411 is located inside the battery module, the heat transfer rate to the battery cells is relatively good compared to the case where a separate heating member is disposed outside the battery module. In addition, since it can be protected from the rigid mono frame 600, it can be safe from vibration or impact without an additional protection member.
- a plurality of battery cells may be stacked along a direction parallel to the main body 410 (y-axis direction) while being vertically upright with the main body 410 to form the battery cell stack 200. Accordingly, the main body 410 can contact each of the battery cells, and the hot wire circuit 411 can pass all the upper portions of each battery cell, thereby enabling even heat transfer to the battery cells.
- each battery cell may cause a swelling phenomenon that mainly swells in the y-axis direction. This swelling phenomenon is caused by a gas generated by decomposition of an internal electrolyte due to a thickened electrode or a side reaction during the repetitive charging and discharging process.
- the heating member is located on both sides of the battery cell stack 200, the function of the heating member may be deteriorated or damaged due to strong pressure of the swelling.
- the heating member is the heating wire circuit 411 of the heating wire utilizing electric resistance, a short circuit or a fire may occur due to insulation breakdown caused by damage to the covering layer or the like.
- the battery module 100 may further include a thermally conductive resin layer 800 positioned on a lower surface of the battery cell stack 200.
- a heat sink may be located at a lower end of the battery module 100.
- the thermally conductive resin layer 800 may include a thermal resin, and in particular, may include a thermally conductive adhesive material.
- a thermal resin may include at least one of a silicone-based material, a urethane-based material, and an acrylic-based material, and in particular, it is preferable to include a urethane-based material.
- the thermally conductive resin is a material having excellent thermal conductivity, and heat generated in the battery cells may be discharged to the outside through the thermally conductive resin layer 800 and the heat sink.
- the thermally conductive resin layer 800 can be regarded as a kind of cooling device.
- the thermally conductive resin includes a thermally conductive adhesive material, and may be a liquid when applied or a material that is solidified after the battery cell stack 200 is laminated thereon. Accordingly, the thermally conductive resin layer 800 may fix the battery cell stack 200 in the battery module 100. That is, the thermally conductive resin layer 800 in this embodiment not only improves heat dissipation characteristics for the battery cell stack 200, but also has an effect of effectively fixing the battery cell stack 200.
- the sensing assembly 400 including the hot wire circuit 411 may be positioned to face each other with the thermally conductive resin layer 800 with the battery cell stack 200 interposed therebetween. Since the sensing assembly 400 and the thermally conductive resin layer 800 are spaced apart by a certain distance, the heat transferred through the thermal wire circuit 411 is not transferred to the battery cells, but the thermally conductive resin layer 800 and the heat sink The problem of being discharged to the outside can be prevented. That is, the heat wire circuit 411 according to the present invention can minimize heat loss due to a cooling system member such as the thermally conductive resin layer 800. Depending on the external temperature environment of the battery module, the heating wire circuit 411 and the thermally conductive resin layer 800 may effectively perform each heating function and cooling function without interfering with each other.
- FIG. 7 is a top plan view of the sensing assembly 400a as a modified embodiment of the present invention.
- the battery cell 211 located on the outermost side of the battery cells is in contact with the sidewall of the mono frame 600 so that the external environment is compared to the battery cell 212 located inside. More affected by Therefore, when exposed to a low-temperature environment, the temperature of the outermost battery cells 211 is lowered, causing temperature deviation between the battery cells. If the temperature deviation between the battery cells 210 is deepened, it may be a cause of lowering the life of the battery module 100 itself.
- the gap B between the hot wire circuits 411a passing through the top of the battery cells 211 located at the outermost side of the battery cell stack 200 is, the gap B passing through the top of the other battery cells 212 It may be narrower than the spacing C between the hot wire circuits 411b.
- the hot wire circuit 411 passes the top of the battery cells 212 having different lengths of the portion passing over the top of the battery cells 211 located at the outermost side of the battery cell stack 200. It can be longer than the length of the part.
- the spacing between the hot wire circuits 411 may be narrowed toward the outside from the center of the battery cell stack 200.
- the heating wire circuit 411 is capable of transferring heat to all of the battery cells 210 by passing the upper portion of each battery cell 210, and also by solving the temperature deviation between the battery cells 210 It can contribute to improving the even performance and longevity of the product.
- FIG. 8 is a schematic diagram showing a battery cell, a hot wire circuit 411, a voltage sensing circuit 412 and a temperature sensing circuit 413.
- a plurality of battery cells are provided.
- four battery cells 210a, 210b, 210c, and 210d are shown.
- the four battery cells 210a, 210b, 210c, and 210d are connected in series, but this is an exemplary connection method between the battery cells, and a parallel connection or a series/parallel combination connection is also possible.
- a hot wire circuit 411 passing over each of the battery cells 210a, 210b, 210c, and 210d may be provided. Furthermore, the distance between the heating wire circuits 411 passing through the top of the outermost battery cells (210a, 210d) may be narrower than the gap between the heating wire circuits 411 passing through the top of the other battery cells (210b, 210c). have.
- the length of the portion passing through the top of the outermost battery cells 210a and 210d may be longer than the length of the portion passing through the top of the other battery cells 210b and 210c.
- the sensing assembly of the present invention includes a module connector 440 connected to the main body of the sensing assembly.
- the module connector 440 may include a hot wire circuit input pin and a hot wire circuit output pin respectively connected to the hot wire circuit 411. An external electrical signal is applied through the hot wire circuit input pin and the hot wire circuit output pin to heat the hot wire circuit 411.
- FIG. 8 shows an input pin and an output pin for one heating circuit 411, and each input pin and an output pin for each heating line circuit 411 line is added one by one. It may be included in the module connector 440.
- the main body according to the present embodiment may further include a voltage sensing circuit 412 and a temperature sensing circuit 413 as well as the hot wire circuit 411.
- the hot wire circuit 411 is added to the sensing assembly that senses the voltage and temperature of the battery cells, the main body of the sensing assembly includes the voltage sensing circuit 412 and the temperature sensing circuit 413 as well as the hot wire circuit. It may contain more.
- the voltage sensing circuit 412 is connected to the voltage sensing unit 420 in contact with the electrode terminals of each of the battery cells 210a, 210b, 210c, and 210d, and the voltage measurement values of the battery cells 210a, 210b, 210c, 210d May be transmitted as electrical information to a battery machining system (BMS) or the like through the module connector 440.
- BMS battery machining system
- the temperature sensing circuit 413 is connected to the thermistor 430 (Thermistor) located between each of the battery cells 210a, 210b, 210c, and 210d, so that the temperature values of the battery cells 210a, 210b, 210c, and 210d are transmitted to the module connector ( 440), it can be transmitted as electrical information to BMS (Battery Mamagement System).
- BMS Battery Mamagement System
- the voltage sensing circuit 412 and the temperature sensing circuit 413 may be connected to a voltage sensing pin and a temperature sensing pin of the module connector 440, respectively.
- the sensing assembly in the present invention includes a heating wire circuit 411, a voltage sensing circuit 412, and a temperature sensing circuit 413 to perform a heating function without any additional member in addition to measuring the voltage and temperature of the battery cell. It can be.
- the sensing assembly in the present invention includes a flexible printed circuit (FPC) or a flexible flat cable (FFC), the heating wire circuit 411, the voltage sensing circuit 412, and the temperature sensing circuit 413 is inserted inside the cable, and it is easy to cope with external impact. That is, in FIGS. 5 and 7, the hot wire circuit 411 is illustrated for convenience of description, but may be inserted into a cable.
- FPC flexible printed circuit
- FFC flexible flat cable
- the battery module may include a module frame for accommodating the battery cell stack, and the main body of the sensing assembly may be located between the upper surface of the battery cell stack and the module frame.
- the module frame may be a mono frame 600 as shown in FIG. 3 or a U-shaped frame described with reference to FIG. 9 below.
- the mono frame 600 may be a metal frame with open front (x-axis direction) and rear (x-axis direction).
- the battery cell stack 200 may be accommodated through the opened front or rear surface, and a cover plate 500 may be disposed to protect the sensing assembly 400 during the receiving process.
- FIG. 9 is a view showing a U-shaped frame 610 and an upper plate 620.
- the module frame may include a U-shaped frame 610 and an upper plate 620.
- U-shaped frame 610 the front (x-axis direction), the rear (x-axis direction) and the upper surface (z-axis direction) is open, at both ends facing the bottom portion 611 and the bottom portion 611 It may have a structure having both side surfaces 612 extending in the upper direction (Z-axis direction).
- the upper plate 620 is coupled to the open upper surface of the U-shaped frame 610, and the end plate 700 in FIG. 3 may be coupled to the open front and rear surfaces of the U-shaped frame 610, respectively.
- the U-shaped frame 610 may be joined to the upper plate 620 by welding. It is preferable that the U-shaped frame 610 and the upper plate 620 are metal plates having a predetermined strength.
- the battery cell stack and the sensing assembly may be accommodated thereon.
- the upper plate 620 may be bonded to the open upper surface of the U-shaped frame 610.
- the cover plate 500 as shown in FIG. 3 may be unnecessary in the U-shaped frame 610 by the assembly sequence as described above.
- One or more battery modules according to the present exemplary embodiment described above may be mounted together with various control and protection systems such as a battery management system (BMS) and a cooling system to form a battery pack.
- BMS battery management system
- a cooling system to form a battery pack.
- the battery module or battery pack can be applied to various devices.
- a device may be applied to a vehicle such as an electric bicycle, an electric vehicle, or a hybrid, but is not limited thereto and may be applied to various devices capable of using secondary batteries.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Automation & Control Theory (AREA)
- Aviation & Aerospace Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biophysics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
Description
Claims (12)
- 복수의 전지셀이 적층된 전지셀 적층체; 및상기 전지셀 적층체 상에 위치한 센싱 어셈블리를 포함하고,상기 센싱 어셈블리는 상기 전지셀 적층체 상에 위치한 본체부 및 상기 본체부와 연결된 모듈 커넥터를 포함하며,상기 본체부는 연성회로기판(FPC: Flexible printed circuit) 또는 연성평판케이블(FFC: Flexible Flat Cable)이고,상기 본체부는 열선 회로를 포함하는 전지 모듈.
- 제1항에서,상기 본체부는 상기 전지셀 적층체의 상부면 전체를 덮는 전지 모듈.
- 제1항에서,상기 열선 회로는 상기 복수의 전지셀 각각의 상부를 지나가는 전지 모듈.
- 제1항에서,상기 복수의 전지셀은 상기 본체부와 수직하게 직립한 채, 상기 본체부와 평행한 방향을 따라 적층되는 전지 모듈.
- 제1항에서,상기 전지셀 적층체의 가장 바깥쪽에 위치한 전지셀의 상부를 지나가는 상기 열선 회로 사이 간격이, 다른 전지셀의 상부를 지나가는 상기 열선 회로 사이 간격보다 좁은 전지 모듈.
- 제1항에서,상기 열선 회로는, 상기 전지셀 적층체의 가장 바깥쪽에 위치한 전지셀의 상부를 지나가는 부분의 길이가 다른 전지셀의 상부를 지나가는 부분의 길이보다 긴 전지 모듈.
- 제1항에서,상기 전지셀 적층체의 중심에서 바깥쪽으로 갈수록 상기 열선 회로의 간격이 좁아지는 전지 모듈.
- 제1항에서,상기 모듈 커넥터는, 상기 열선 회로와 각각 연결된 열선 회로 입력 핀 및 열선 회로 출력 핀을 포함하는 전지 모듈.
- 제1항에서,상기 본체부는 전압센싱회로 및 온도센싱회로를 더 포함하는 전지 모듈.
- 제1항에서,상기 전지셀 적층체의 하부면에 위치하는 열전도성 수지층을 더 포함하는 전지 모듈.
- 제1항에서,상기 전지셀 적층체를 수납하는 모듈 프레임을 더 포함하고,상기 본체부는 상기 전지셀 적층체의 상부면과 상기 모듈 프레임 사이에 위치하는 전지 모듈.
- 제1항에 따른 전지 모듈을 하나 이상 포함하는 전지 팩.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP20887328.1A EP3961792A4 (en) | 2019-11-13 | 2020-07-15 | BATTERY MODULE AND BATTERY PACK WITH IT |
| US17/614,894 US12482872B2 (en) | 2019-11-13 | 2020-07-15 | Battery module and battery pack including the same |
| JP2021551567A JP7266935B2 (ja) | 2019-11-13 | 2020-07-15 | 電池モジュールおよびそれを含む電池パック |
| CN202080039355.5A CN113906621B (zh) | 2019-11-13 | 2020-07-15 | 电池模块和包括该电池模块的电池组 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2019-0145144 | 2019-11-13 | ||
| KR1020190145144A KR102514497B1 (ko) | 2019-11-13 | 2019-11-13 | 전지 모듈 및 이를 포함하는 전지 팩 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2021096023A1 true WO2021096023A1 (ko) | 2021-05-20 |
Family
ID=75911998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/KR2020/009286 Ceased WO2021096023A1 (ko) | 2019-11-13 | 2020-07-15 | 전지 모듈 및 이를 포함하는 전지 팩 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US12482872B2 (ko) |
| EP (1) | EP3961792A4 (ko) |
| JP (1) | JP7266935B2 (ko) |
| KR (1) | KR102514497B1 (ko) |
| CN (1) | CN113906621B (ko) |
| WO (1) | WO2021096023A1 (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12176505B2 (en) * | 2017-12-26 | 2024-12-24 | Sk On Co., Ltd. | Battery module and manufacturing method thereof |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20220112514A (ko) * | 2021-02-04 | 2022-08-11 | 주식회사 엘지에너지솔루션 | 전지셀들의 온도 균일성이 향상된 전지모듈 |
| CN114709534A (zh) * | 2022-03-31 | 2022-07-05 | 东莞新能安科技有限公司 | 电池组和用电设备 |
| EP4435932A1 (de) * | 2023-03-21 | 2024-09-25 | HOPPECKE Systemtechnik GmbH | Kontaktierungsplatine |
| KR20250170360A (ko) * | 2024-05-28 | 2025-12-05 | 주식회사 엘지에너지솔루션 | 배터리 셀 어셈블리 및 이를 포함하는 배터리 팩 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100570726B1 (ko) * | 2005-07-22 | 2006-04-12 | 주식회사 린포스 | 온도보상한 내환경성이 우수한 초저온 슈퍼전지팩 |
| JP4593772B2 (ja) * | 1997-07-25 | 2010-12-08 | スリーエム カンパニー | 固体のエネルギー貯蔵装置の熱管理装置及び方法 |
| KR20150062743A (ko) * | 2013-11-29 | 2015-06-08 | 주식회사 엘지화학 | 배터리 모듈 및 이를 포함하는 배터리 팩 |
| KR20160054443A (ko) * | 2016-04-27 | 2016-05-16 | 주식회사 엘지화학 | 열선이 장착되어 있는 전지셀 트레이 |
| KR20180099438A (ko) * | 2017-02-28 | 2018-09-05 | 주식회사 유라코퍼레이션 | 프레임 조립체, 프레임 조립체의 제조 방법 및 배터리 모듈의 제조 방법 |
Family Cites Families (37)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4925680B2 (ja) | 2006-02-08 | 2012-05-09 | 三洋電機株式会社 | パック電池 |
| JP2007329047A (ja) | 2006-06-08 | 2007-12-20 | Toyota Motor Corp | 電池パック |
| JP5018119B2 (ja) * | 2007-02-16 | 2012-09-05 | パナソニック株式会社 | 蓄電ユニット |
| KR100980995B1 (ko) * | 2007-06-19 | 2010-09-07 | 현대자동차주식회사 | 연료전지용 지능형 전극막 |
| CN103390742B (zh) * | 2012-05-08 | 2017-07-18 | 三星Sdi株式会社 | 电池组 |
| US9203127B2 (en) | 2012-08-07 | 2015-12-01 | Panasonic Intellectual Property Management Co., Ltd. | Battery heater device |
| CN103151574B (zh) * | 2013-03-20 | 2015-03-18 | 安徽江淮汽车股份有限公司 | 一种电动汽车电池模组加热装置 |
| JP2015032475A (ja) | 2013-08-02 | 2015-02-16 | 住友電気工業株式会社 | ヒータユニット、ヒータユニットシステムおよびこれらを用いた電池パック |
| JP2015057759A (ja) * | 2013-08-09 | 2015-03-26 | 住友電気工業株式会社 | 電池モジュール、電池モジュールユニットおよび電池パック |
| US9207764B2 (en) | 2013-09-18 | 2015-12-08 | Immersion Corporation | Orientation adjustable multi-channel haptic device |
| US9389279B2 (en) * | 2013-10-02 | 2016-07-12 | Lg Chem, Ltd. | Battery cell assembly with a thin profile sensor |
| CN106104862B (zh) * | 2014-03-13 | 2020-04-28 | 株式会社半导体能源研究所 | 电极、蓄电装置、电子设备、以及电极的制造方法 |
| US9397376B2 (en) * | 2014-09-25 | 2016-07-19 | Atieva, Inc. | Battery pack with segmented, electrically isolated heat sink |
| US11309604B2 (en) * | 2015-04-13 | 2022-04-19 | Cps Technology Holdings Llc | Thermal epoxy and positioning of electrochemical cells |
| GB2566124B (en) * | 2015-05-25 | 2022-02-23 | Nec Corp | Power storage device |
| CN105576323A (zh) | 2016-01-06 | 2016-05-11 | 深圳市格瑞普电池有限公司 | 一种电池系统 |
| KR102514130B1 (ko) * | 2016-05-04 | 2023-03-28 | 삼성디스플레이 주식회사 | 표시장치 및 그 것의 제조 방법 |
| JP6872319B2 (ja) * | 2016-05-10 | 2021-05-19 | 藤森工業株式会社 | 発熱シート及び放熱シートを有するシステム |
| JP6460066B2 (ja) * | 2016-08-25 | 2019-01-30 | トヨタ自動車株式会社 | 電池パック |
| KR102205312B1 (ko) | 2016-09-13 | 2021-01-20 | 주식회사 엘지화학 | 배터리 팩 |
| CN106384852B (zh) * | 2016-11-30 | 2019-01-29 | 王波 | 电池系统 |
| EP3550663B1 (en) * | 2016-12-02 | 2022-04-13 | Guangzhou Xaircraft Technology Co., Ltd. | Unmanned aerial vehicle, battery module, and charging control method |
| JP6869355B2 (ja) | 2016-12-27 | 2021-05-12 | ユラ・コーポレイション・カンパニー・リミテッドYura Corporation Co., Ltd. | 軟性回路基板及びこれを含むフレーム組立体 |
| KR102087699B1 (ko) * | 2017-11-27 | 2020-04-28 | 주식회사 유라코퍼레이션 | 연성회로기판 및 이를 이용하는 배터리팩 |
| WO2018124494A2 (ko) | 2016-12-27 | 2018-07-05 | 주식회사 유라코퍼레이션 | 버스바 어셈블리 및 프레임 조립체 |
| US11376969B2 (en) | 2016-12-27 | 2022-07-05 | Yura Corporation Co., Ltd. | Bus bar assembly and frame assembly |
| CN206349469U (zh) * | 2017-01-17 | 2017-07-21 | 华霆(合肥)动力技术有限公司 | 加热膜及电池模组 |
| CN106785234A (zh) * | 2017-01-18 | 2017-05-31 | 华霆(合肥)动力技术有限公司 | 供电装置及供电系统 |
| CN206758614U (zh) * | 2017-04-26 | 2017-12-15 | 北京新能源汽车股份有限公司 | 加热片及具其的电芯组件、电池模组、动力电池和车辆 |
| KR101793720B1 (ko) | 2017-05-15 | 2017-11-20 | (주)솔레즈 | 태양광 led 조명에 사용되는 리듐배터리의 과열 및 저온 보호장치 |
| US11038192B2 (en) * | 2017-06-02 | 2021-06-15 | GM Global Technology Operations LLC | Configurations for power module having an integrated flexible circuit assembly |
| CN108321463A (zh) * | 2017-12-22 | 2018-07-24 | 深圳市沃特玛电池有限公司 | 一种电池包 |
| CN108598626A (zh) * | 2018-03-06 | 2018-09-28 | 合肥国轩高科动力能源有限公司 | 一种方形锂电池串并联模组结构 |
| WO2019190108A1 (ko) * | 2018-03-28 | 2019-10-03 | 주식회사 엘지화학 | 수지 조성물 |
| CN208134020U (zh) * | 2018-04-24 | 2018-11-23 | 芜湖黑特新能源汽车科技有限公司 | 一种带等电位设计的汽车空调高压加热水ptc总成 |
| JP2019192486A (ja) | 2018-04-25 | 2019-10-31 | 株式会社オートネットワーク技術研究所 | 蓄電ユニット |
| CN109059307A (zh) * | 2018-08-21 | 2018-12-21 | 芜湖黑特新能源汽车科技有限公司 | 一种带温度传感器的加热包功率传导组合板 |
-
2019
- 2019-11-13 KR KR1020190145144A patent/KR102514497B1/ko active Active
-
2020
- 2020-07-15 JP JP2021551567A patent/JP7266935B2/ja active Active
- 2020-07-15 WO PCT/KR2020/009286 patent/WO2021096023A1/ko not_active Ceased
- 2020-07-15 EP EP20887328.1A patent/EP3961792A4/en active Pending
- 2020-07-15 US US17/614,894 patent/US12482872B2/en active Active
- 2020-07-15 CN CN202080039355.5A patent/CN113906621B/zh active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4593772B2 (ja) * | 1997-07-25 | 2010-12-08 | スリーエム カンパニー | 固体のエネルギー貯蔵装置の熱管理装置及び方法 |
| KR100570726B1 (ko) * | 2005-07-22 | 2006-04-12 | 주식회사 린포스 | 온도보상한 내환경성이 우수한 초저온 슈퍼전지팩 |
| KR20150062743A (ko) * | 2013-11-29 | 2015-06-08 | 주식회사 엘지화학 | 배터리 모듈 및 이를 포함하는 배터리 팩 |
| KR20160054443A (ko) * | 2016-04-27 | 2016-05-16 | 주식회사 엘지화학 | 열선이 장착되어 있는 전지셀 트레이 |
| KR20180099438A (ko) * | 2017-02-28 | 2018-09-05 | 주식회사 유라코퍼레이션 | 프레임 조립체, 프레임 조립체의 제조 방법 및 배터리 모듈의 제조 방법 |
Non-Patent Citations (1)
| Title |
|---|
| See also references of EP3961792A4 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12176505B2 (en) * | 2017-12-26 | 2024-12-24 | Sk On Co., Ltd. | Battery module and manufacturing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113906621B (zh) | 2024-02-23 |
| EP3961792A4 (en) | 2022-08-17 |
| KR102514497B1 (ko) | 2023-03-24 |
| JP2022523221A (ja) | 2022-04-21 |
| US20220238934A1 (en) | 2022-07-28 |
| CN113906621A (zh) | 2022-01-07 |
| KR20210058110A (ko) | 2021-05-24 |
| JP7266935B2 (ja) | 2023-05-01 |
| EP3961792A1 (en) | 2022-03-02 |
| US12482872B2 (en) | 2025-11-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2019177275A1 (ko) | 배터리 모듈, 이러한 배터리 모듈을 포함하는 배터리 팩 및 이러한 배터리 팩을 포함하는 자동차 | |
| WO2021096023A1 (ko) | 전지 모듈 및 이를 포함하는 전지 팩 | |
| WO2020256271A1 (ko) | 전지 모듈 및 이를 포함하는 전지팩 | |
| WO2017209365A1 (ko) | 배터리 모듈 및 이를 포함하는 배터리 팩, 자동차 | |
| WO2022250287A1 (ko) | 전지 모듈 및 이를 포함하는 전지팩 | |
| WO2022149897A1 (ko) | 전지 모듈, 이를 포함하는 전지팩 및 이의 제조 방법 | |
| WO2022097935A1 (ko) | 전지 모듈 및 이를 포함하는 전지팩 | |
| WO2021080115A1 (ko) | 전지 모듈 및 이를 포함하는 전지팩 | |
| WO2021071052A1 (ko) | 전지 모듈 및 이를 포함하는 전지팩 | |
| WO2022240270A1 (ko) | 전지 모듈 및 이를 포함하는 전지팩 | |
| WO2021201421A1 (ko) | 전지 모듈 및 이를 포함하는 전지 팩 | |
| WO2021075688A1 (ko) | 전지 모듈 및 이을 포함하는 전지 팩 | |
| WO2022149896A1 (ko) | 전지 모듈 및 이를 포함하는 전지팩 | |
| WO2021075666A1 (ko) | 전지팩 및 이를 포함하는 디바이스 | |
| WO2022158855A1 (ko) | 전지 셀, 전지 모듈, 및 이를 포함하는 전지 팩 | |
| WO2022039399A1 (ko) | 전지 모듈, 이를 포함하는 전지 팩 및 전지 팩 제조 방법 | |
| WO2022149900A1 (ko) | 전지 모듈 및 이를 포함하는 전지팩 | |
| WO2021071057A1 (ko) | 전지 모듈 및 이를 포함하는 전지 팩 | |
| WO2021071053A1 (ko) | 전지 모듈 및 이를 포함하는 전지팩 | |
| WO2021221340A1 (ko) | 전지팩 및 이를 포함하는 디바이스 | |
| WO2022005233A1 (ko) | 전지 모듈, 이를 포함하는 전지팩 및 이의 제조 방법 | |
| WO2022030900A1 (ko) | 전지 모듈 및 이를 포함하는 전지 팩 | |
| WO2022270732A1 (ko) | 전지 모듈 및 이를 포함하는 전지팩 | |
| WO2021071055A1 (ko) | 전지 모듈 및 이를 포함하는 전지 팩 | |
| WO2020111665A1 (ko) | 파우치형 배터리 카트리지 및 이를 포함하는 파우치형 배터리 팩 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 20887328 Country of ref document: EP Kind code of ref document: A1 |
|
| ENP | Entry into the national phase |
Ref document number: 2021551567 Country of ref document: JP Kind code of ref document: A |
|
| ENP | Entry into the national phase |
Ref document number: 2020887328 Country of ref document: EP Effective date: 20211126 |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| WWG | Wipo information: grant in national office |
Ref document number: 17614894 Country of ref document: US |