WO2024225547A1 - 배터리 팩 및 이를 포함하는 자동차 - Google Patents
배터리 팩 및 이를 포함하는 자동차 Download PDFInfo
- Publication number
- WO2024225547A1 WO2024225547A1 PCT/KR2023/019156 KR2023019156W WO2024225547A1 WO 2024225547 A1 WO2024225547 A1 WO 2024225547A1 KR 2023019156 W KR2023019156 W KR 2023019156W WO 2024225547 A1 WO2024225547 A1 WO 2024225547A1
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- WO
- WIPO (PCT)
- Prior art keywords
- pack
- battery
- protective cover
- venting
- cover
- 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
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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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/30—Arrangements for facilitating escape of gases
- H01M50/383—Flame arresting or ignition-preventing 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
- H01M50/204—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
- H01M50/204—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
- H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
- H01M50/242—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries against vibrations, collision impact or swelling
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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
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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
- H01M50/30—Arrangements for facilitating escape of gases
- H01M50/35—Gas exhaust passages comprising elongated, tortuous or labyrinth-shaped exhaust passages
- H01M50/358—External gas exhaust passages located on the battery cover or case
-
- 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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- 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
- H01M50/59—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries characterised by the protection means
- H01M50/591—Covers
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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 and a vehicle including the same.
- Secondary batteries which have high applicability according to product group and electrical characteristics such as high energy density, are widely used not only in portable devices but also in electric vehicles (EVs) or hybrid electric vehicles (HEVs) driven by electric power sources. These secondary batteries are attracting attention as a new energy source for environmental friendliness and energy efficiency enhancement, not only because they can drastically reduce the use of fossil fuels, but also because they do not generate any by-products from energy use.
- the types of secondary batteries widely used today include lithium ion batteries, lithium polymer batteries, nickel cadmium batteries, nickel hydrogen batteries, and nickel zinc batteries.
- the operating voltage of these unit secondary battery cells i.e., unit battery cells, is approximately 2.5 V to 4.5 V. Therefore, when a higher output voltage is required, a battery pack is configured by connecting multiple battery cells in series. In addition, a battery pack is configured by connecting multiple battery cells in parallel depending on the charge/discharge capacity required for the battery pack. Therefore, the number of battery cells included in the battery pack can be set variously depending on the required output voltage or charge/discharge capacity.
- gas When a thermal event such as thermal runaway occurs inside a battery pack, gas may be emitted from the battery cells contained inside, and such gas may include flames, etc.
- gas when gas is generally emitted from a battery cell, pieces of electrode plates or active materials inside the battery cell may be emitted to the outside in a high-temperature state, and such high-temperature particles may appear in the form of sparks.
- the high-temperature gas In the case of conventional battery packs, in order to discharge high-temperature gas, etc., to the outside of the pack case when an abnormality occurs in a specific battery cell or battery module, the high-temperature gas is often discharged through a venting portion provided in the pack case. At this time, if a spark is exposed to the outside of the pack case together with the gas, it may react with oxygen outside the battery pack, causing a flame or fire to be generated outside the battery pack. Furthermore, if a flame or fire occurs outside a specific battery pack, the fire may spread to other adjacent battery packs or devices equipped with the battery pack, causing a bigger problem.
- the present invention has been made to solve the problems described above, and provides a battery pack and a vehicle including the same that can ensure safety and reliability in the event of an abnormality in a battery cell or battery module.
- a battery pack may include: a plurality of battery cells; a pack case configured to accommodate the plurality of battery cells and having a venting portion configured to discharge gas generated from the battery cells to the outside; and a protective cover configured to cover at least a portion of the venting portion.
- the above protective cover may be provided between the plurality of battery cells and the venting portion.
- the above protective cover is configured to cover the upper portion of the venting portion and can block sparks emitted from the battery cell.
- a battery pack according to one aspect of the present invention may further include a module case that accommodates the plurality of battery cells in an internal space and has a venting hole formed on an upper side to communicate with the internal space.
- the pack case may include a base frame on which the plurality of battery cells are mounted, and a side frame extending upward from the base frame and having the venting portion formed therein, and the protective cover may be configured to face the side frame on which the venting portion is formed.
- the pack case further includes a pack lead coupled to an upper portion of the side frame and configured to cover an upper portion of the plurality of battery cells, and the protective cover can be coupled with the pack lead.
- the above protective cover may include a main cover provided to face the venting portion, and a lead coupling portion extended from the main cover to be bent toward the pack lead and coupled with the pack lead.
- the above protective cover may further include a side cover configured to be folded toward the side frame on both sides of the main cover.
- the above side cover may be provided so that an end portion thereof is in contact with the side frame.
- the above protective cover may further include a support portion that is bent so that an end of the side cover is supported on the side frame.
- the above protective cover may further include a lower bend portion configured to bend toward the base frame from the lower portion of the main cover.
- the above protective cover may further include a protrusion provided such that at least a portion of the main cover protrudes in a direction away from the side frame.
- the above protective cover may further include an inner folded portion configured to be folded away from the side frame on both sides of the main cover.
- the automobile according to the present invention may include a battery pack according to the present invention.
- a spark generated in an abnormal situation of a battery cell can be prevented from being exposed to the outside of a pack case, thereby ensuring safety and reliability.
- venting gas generated in an abnormal situation of a battery cell can be smoothly discharged to the outside of the pack case.
- the present invention may have various other effects, which will be described in each embodiment, or an explanation of effects that can be easily inferred by a person skilled in the art will be omitted.
- FIG. 1 is an overall perspective view of a battery pack according to one embodiment of the present invention.
- FIG. 2 is an exploded perspective view of a battery pack according to one embodiment of the present invention.
- FIG. 3 is an enlarged view of a portion of a battery pack according to one embodiment of the present invention.
- FIG. 4 is a drawing showing the direction in which a spark is emitted inside a battery pack according to one embodiment of the present invention.
- FIG. 4 may be a drawing showing the cross-section I-I' of FIG. 1.
- FIG. 5 is a front view drawing of a protective cover included in a battery pack according to one embodiment of the present invention.
- FIG. 6 is a bottom perspective view of a pack lid having a protective cover in a battery pack according to one embodiment of the present invention.
- FIG. 7 is an enlarged cross-sectional view of a main part of a battery pack according to one embodiment of the present invention.
- FIG. 8 is a drawing illustrating a protective cover included in a battery pack according to one embodiment of the present invention.
- FIG. 9 is a cross-sectional view of a battery pack according to one embodiment of the present invention as viewed from the upper side.
- FIG. 9 may be a drawing showing the cross-section II-II' of FIG. 1.
- Fig. 10 is a cross-sectional view of a battery pack according to another embodiment of the present invention, viewed from the upper side.
- Fig. 10 may be a drawing showing the cross-section II-II' of Fig. 1.
- FIG. 11 is a cross-sectional view of a battery pack according to another embodiment of the present invention.
- FIG. 12 is a cross-sectional view of a battery pack according to another embodiment of the present invention.
- Fig. 13 is a cross-sectional view of a battery pack according to another embodiment of the present invention, viewed from the upper side.
- Fig. 11 may be a drawing showing a cross-section taken along line II-II' of Fig. 1.
- FIG. 14 is a schematic perspective view of a vehicle including a battery pack according to one embodiment of the present invention.
- the present invention includes various embodiments. For each embodiment, redundant descriptions of substantially identical or similar configurations will be omitted, and descriptions will be made focusing on differences.
- the X-axis direction depicted in the drawing may mean a left-right direction
- the Y-axis direction may mean a front-back direction perpendicular to the X-axis direction and the horizontal plane (X-Y plane)
- the Z-axis direction may mean an up-down direction (vertical direction) perpendicular to both the X-axis direction and the Y-axis direction.
- FIG. 1 is a perspective view of a battery pack according to one embodiment of the present invention
- FIG. 2 is an exploded perspective view of a battery pack according to one embodiment of the present invention
- FIG. 3 is an enlarged view of a portion of a battery pack according to one embodiment of the present invention.
- a battery pack (1) includes a battery cell (100), a pack case (200), and a protective cover (300).
- the battery cell (100) may be included in multiple numbers.
- the multiple battery cells (100) may include an electrode assembly, a cell case accommodating the electrode assembly, and an electrode lead connected to the electrode assembly and extended outward from the cell case to function as an electrode terminal. At this time, the multiple battery cells (100) may be electrically connected to each other.
- the above battery cell (100) may be a pouch type secondary battery.
- the cell case of such a pouch type secondary battery may be configured in a pouch shape in which a metal layer made of aluminum is interposed between polymer layers.
- each battery cell (100) may be arranged in a parallel manner in the front-back direction (Y-axis direction) while standing vertically (Z-axis direction) as illustrated in FIG. 2.
- each battery cell (100) may have its sealing portion facing left-right (X-axis direction) and up-down (Z-axis direction) and its storage portion facing forward-backward (Y-axis direction).
- the present invention is not limited by the specific type or shape of the battery cell (100), and various battery cells (100) known at the time of application of the present invention may be employed to configure the battery pack (1) of the present invention.
- a pouch-type secondary battery having a high energy density and easy stacking is targeted as shown in the drawing, but it is of course possible for a cylindrical or square secondary battery to be applied as the battery cell (100).
- the pack case (200) may be configured to accommodate a plurality of battery cells (100). That is, the pack case (200) may provide a space for accommodating a plurality of battery cells (100).
- the pack case (200) may be made of a material that can ensure mechanical strength, such as a metal such as steel or SUS, or a plastic, in order to safely protect the battery cells (100) accommodated therein, or may include such a material.
- the pack case (200) may be provided with a venting portion (V).
- the venting portion (V) may be configured to discharge gas generated from the battery cell (100) housed inside to the outside of the pack case (200).
- the venting portion (V) may be provided in the form of a hole penetrating between the inside and the outside of the pack case (200).
- venting portion (V) may be configured to be mountable in a hole of the pack case (200) and may be provided in the form of a venting device that operates when venting gas is generated inside the pack case (200).
- the venting part (V) may be provided with a venting valve or implemented with such a venting valve.
- a mounting hole may be formed in the side frame (220) so that the venting part (V) can be configured to be mounted in the mounting hole.
- the venting valve may be configured to open when the internal pressure of the pack case (200) increases to discharge the venting gas to the outside of the pack case (200).
- the battery pack (1) may further include a protective cover (300).
- the protective cover (300) may be configured to cover at least a portion of the venting portion (V).
- the protective cover (300) may be configured to completely block a spark from passing through the protective cover (300).
- the above protective cover (300) may be made of a material that includes a material having low thermal conductivity and excellent heat resistance and/or fire resistance.
- the protective cover (300) may be made of a flame-retardant mica material.
- the protective cover (300) may be made of a metal material having rigidity and heat resistance.
- a spark or flame with strong straightness may be emitted from the battery cell (100) and may hit the internal structure of the pack case (200) and move to the venting portion (V).
- the spark may be prevented from being emitted to the outside of the pack case (200) by the protective cover (300). Accordingly, it is possible to suppress the spark from reacting with oxygen outside the pack case (200) and generating a flame. Therefore, according to the above-described aspect of the present invention, the safety and reliability of the battery pack (1) may be guaranteed.
- the protective cover (300) may be configured to cover a part of the venting portion (V), as illustrated in FIG. 3, etc. That is, the protective cover (300) may be positioned inside the venting portion (V) to cover the inside of the venting portion (V), but may have a structure that covers only a part of the venting portion (V), rather than the entire portion of the venting portion (V). In this case, a spark generated in the battery cell (100) may be blocked by the protective cover (300), and at the same time, the venting gas may be smoothly discharged to the exposed portion of the venting portion (V).
- the venting gas may be quickly discharged to the outside of the pack case (200) through the venting portion (V), thereby preventing the internal pressure inside the pack case (200) from increasing and preventing additional chain ignition of other battery cells (100).
- FIG. 4 is a drawing showing the direction in which a spark is discharged inside a battery pack according to one embodiment of the present invention.
- FIG. 4 may be a drawing showing the cross-section taken along line I-I' of FIG. 1.
- FIG. 5 is a drawing showing a protective cover included in a battery pack according to one embodiment of the present invention from the front.
- the protective cover (300) may be provided between the plurality of battery cells (100) and the venting portion (V). That is, the protective cover (300) may be provided on the inside of the pack case (200), particularly on the inside of the venting portion (V). Specifically, the venting gas and/or spark generated from the battery cells (100) may move to the venting portion (V). That is, a venting path through which the venting gas and/or spark flows may be formed between the plurality of battery cells (100) and the venting portion. At this time, the protective cover (300) may be provided to cross the venting path. In other words, the protective cover (300) may be provided on the venting path and configured to suppress the movement of sparks and the like.
- the spark emitted from the battery cell (100) is preemptively blocked before reaching the venting portion (V) of the pack case (200), the spark is prevented from being discharged to the outside, thereby more effectively suppressing the occurrence of flames outside the pack case (200).
- the protective cover (300) may be configured to cover the upper portion of the venting portion (V).
- the venting gas or spark discharged from the battery cell (100) may have a strong tendency to flow upward due to its high temperature. Therefore, as in the above embodiment, when the protective cover (300) is configured to cover the upper portion of the venting portion (V), the spark with a strong straight-line tendency is guaranteed to hit the protective cover (300), thereby more reliably suppressing the external discharge of the spark. At the same time, the venting gas may be smoothly discharged to the outside of the pack case (200) through the lower portion of the venting portion (V) that is exposed and not covered by the protective cover (300) due to internal pressure.
- the high-temperature venting gas can move along the inner upper surface of the pack case (200) toward the venting portion (V) and be discharged to the outside.
- the venting gas can have its flow direction bent by the protective cover (300) before being discharged to the venting portion (V).
- sparks and the like that were directed toward the venting portion (V) together with the venting gas during this process can be suppressed from being discharged to the outside by the protective cover (300).
- the discharged gas may not be directed upward.
- the safety of the passenger can be further improved. That is, according to the embodiment of the present invention, by allowing directional venting to be performed downwardly of the battery pack (10), the safety of users, etc. positioned at the upper part, such as the passenger, can be improved.
- a plurality of battery cells (100) may be modularized into one or more battery modules (10). That is, a battery pack (1) according to the present invention may include one or more battery modules (10). And, a plurality of battery cells (100) may be included as components of one or more battery modules (10). At this time, a plurality of battery cells (100) included in a battery module (10) may be electrically connected to each other.
- the battery module (10) may be provided in multiple numbers inside the pack case (200). That is, the battery pack according to the present invention (1) includes multiple battery modules (10), and multiple battery cells (100) included in the battery pack (1) may be divided and included in multiple battery modules (10).
- the battery pack (1) may include a module case (11).
- the module case (11) may be configured to have an empty space formed therein and accommodate at least some of a plurality of battery cells (100) in the internal space.
- the module case (11) may be included in each battery module (10), grouping a plurality of battery cells (100) into several battery modules (10), and may serve as a boundary that physically limits the internal space of each battery module (10).
- the battery module (10) may include a busbar assembly and/or module terminals electrically connected to a plurality of battery cells (100) housed therein.
- the above battery module (10) may include a venting hole (H).
- the venting hole (H) may be configured to allow gas generated from a battery cell (100) housed inside the module case (11) to be discharged to the outside of the module case (11).
- the venting hole (H) may be provided in the module case (11) to enable directional venting in a specific direction.
- the venting hole (H) may be provided in the upper portion of the module case (11).
- the venting gas and/or spark may be induced to be discharged to the upper portion of the battery module.
- the venting gas or spark, etc. can be guided to the upper side of the pack case (200). Therefore, when the venting gas or spark, etc. moves along the upper inner surface of the pack case (200) toward the venting portion (V), the flow can be more reliably blocked by the protective cover (300) covering the upper part of the venting portion (V). Therefore, the spark can be more effectively suppressed from being discharged to the outside of the pack case (200).
- a pack case (200) may include a base frame (210) and a side frame (220).
- the above base frame (210) can form the lower surface of the pack case (200) and can be provided in a square plate shape.
- the base frame (210) can be configured so that a plurality of battery cells (100) can be secured on the upper surface.
- the base frame (210) can be provided with a flat upper surface so that a plurality of battery cells (100) or a module case (11) can be stably secured.
- the side frame (220) may extend upward from each corner of the base frame (210).
- the side frame (220) may be provided with a plurality of unit walls to surround a plurality of battery cells (100) or battery modules (10). More specifically, the side frame (220) may include a rear wall located at the +Y direction side end of the base frame (210), a right wall located at the +X direction side end, a front wall located at the -Y direction side end, and a left wall located at the -X direction side end to form a side of the pack case (200).
- venting portion (V) may be provided on the side of the pack case (200), i.e., the side frame (220).
- the protective cover (300) may be provided so as to be located on the side of the side frame (220) and cover at least a portion of the venting portion (V).
- venting portions (V) and the protective covers (300) may each be provided in multiple numbers.
- the venting portions (V) may be located on at least some of the unit walls among the multiple unit walls of the side frame (220).
- the venting portions (V) may be separately formed on two or more unit walls, or may be formed in two or more on one unit wall.
- the venting portions (V) may be provided in multiple numbers on each of the front wall and the rear wall.
- a corresponding protective cover (300) may be installed for each venting portion (V).
- a corresponding protective cover (300) may be installed for each venting portion (V).
- four venting portions (V) are formed on each of the front wall and the rear wall, and a separate protective cover (300) is provided for each venting portion (V), so that a total of eight protective covers (300) may be included in the battery pack.
- Each of the plurality of venting portions (V) and the protective covers (300) may be provided to be symmetrical to each other with respect to the center of the side frame (220).
- the number or location of the venting portions (V) and the protective cover (300) described based on the embodiment of Fig. 2, etc., are merely examples, and may be changed to various other numbers or locations, etc.
- the venting portions (V) and the protective cover (300) are provided on the X-axis direction extending walls of the side frame (220), that is, the front wall and the rear wall, but they may also be provided on the Y-axis direction extending walls, that is, the left wall and the right wall.
- high-temperature gas, etc. can be discharged in both directions of the pack case (200), so that it is easy to discharge the gas to the outside of the pack case (200) more quickly.
- the above protective cover (300) may be configured to face the side frame (220) in which the venting portion (V) is formed. At this time, at least a portion of the protective cover (300) may be provided to be spaced apart from the side frame (220) by a predetermined distance. According to the above-described embodiment of the present invention, the venting gas can move through the gap between the protective cover (300) and the side frame (220) and be smoothly discharged to the outside through the exposed portion of the venting portion (V) that is not covered by the protective cover (300).
- the above protective cover (300) may be provided in a plate shape. Since the protective cover (300) is manufactured in a plate shape, the protective cover (300) may be configured to face the venting portion (V) or the side frame (220) in parallel. According to the above-described embodiment of the present invention, the protective cover (300) can cover a part of the venting portion (V) more easily. In addition, according to the above-described embodiment of the present invention, the battery pack (1) can be easily assembled, thereby reducing time and cost. In addition, since the volume and weight of the protective cover (300) are reduced, the energy density of the battery pack (1) can be improved.
- FIG. 6 is a bottom perspective view of a pack lid having a protective cover in a battery pack according to one embodiment of the present invention.
- FIG. 7 is an enlarged cross-sectional view of a main part of a battery pack according to one embodiment of the present invention.
- FIG. 8 is a drawing illustrating a protective cover included in a battery pack according to one embodiment of the present invention.
- a battery pack (1) may further include a pack lead (230).
- the pack lead (230) may be configured to cover the upper portions of a plurality of battery cells (100).
- the pack lead (230) may be provided to be coupled to the upper portion of a side frame (220) to form an upper surface of the pack case (200).
- the pack lead (230) may protect components housed inside, such as battery cells (100), and prevent venting gas and/or sparks discharged from the battery cells (100) from being discharged to the outside, particularly the upper portion, of the pack case (200).
- the pack lead (230) may guide venting gas, sparks, and the like from the internal space of the pack case (200) toward the venting portion (V).
- the pack case (200) may further include a cross beam (240).
- the cross beam (240) may be provided to partition between a plurality of battery cells (100) or battery modules (10).
- the cross beam (240) may be provided between a plurality of battery cells (100) and a side frame (220) in which a venting portion (V) is provided.
- the cross beam (240) may be formed in a partition shape that is long in the left-right direction and may be interposed between battery modules (10) that are adjacently arranged in the front-rear direction.
- the cross beam (240) may be formed in a partition shape that is long in the front-rear direction and may be interposed between battery modules (10) that are adjacently arranged in the left-right direction.
- the cross beam (240) may be provided to be spaced apart from the pack lead (230) by a predetermined distance. That is, the cross beam (240) may be configured to be spaced apart by a predetermined distance without at least a portion of the upper portion contacting the lower surface of the pack lead (230).
- heat or flame can be prevented from being directly directed between the cell assemblies or battery modules (10) whose storage spaces are separated by the cross beam (240).
- gas or sparks generated from the battery cells (100) can be further induced to move upward in the internal space of the pack case.
- gas or sparks can move to the space between the cross beam (240) and the pack lead (230) and be reflected on the pack lead (230) or flow along the lower surface of the pack lead (230) toward the venting portion (V) and reach the protective cover (300) covering the upper portion of the venting portion (V).
- the protective cover (300) can more reliably block sparks emitted from the battery cells (100).
- the protective cover (300) may be combined with the pack lid (230).
- the protective cover (300) may be provided in a form combined with the lower surface of the pack lid (230).
- the protective cover (300) may be fixed by being bolted to the pack lid (230).
- the protective cover (300) may be manufactured integrally with the pack lid (230).
- the protective cover (300) since the protective cover (300) is manufactured in a form in which it is pre-attached to the pack lead (230), when the pack lead (230) is attached to the side frame (220), the protective cover (300) can be automatically installed on the venting portion (V) side of the side frame (220). Accordingly, the process of separately attaching the protective cover (300) to the side frame (220) can be omitted. Therefore, the time and cost for manufacturing the battery pack (1) can be reduced, and productivity can be improved.
- FIG. 9 is a cross-sectional view of a battery pack according to one embodiment of the present invention as viewed from the upper side.
- FIG. 9 may be a drawing showing a cross-section along line II-II' of FIG. 1.
- the above protective cover (300) may include a main cover (310) and a lead coupling part (320).
- the main cover (310) may be provided to face the venting portion (V).
- the main cover (310) may be configured to cover at least a portion of the venting portion (V).
- the main cover (310) may be provided in a plate shape erected in a vertical direction and may be provided to face the side frame (220) in parallel.
- the lead coupling part (320) may be provided to extend from the main cover (310). Specifically, the lead coupling part (320) may be configured to be extended in a horizontal direction from the upper end of the main cover (310) so as to be in direct contact with the pack lid (230). That is, the lead coupling part (320) may be configured to form a right angle with the main cover (310). At this time, the lead coupling part (320) may be provided in a plate shape and may be coupled to the pack lid (230). For example, the lead coupling part (320) may be fixed by being bolt-coupled to the pack lid (230).
- a bonding and fixing configuration between the protective cover (300) and the pack lead (230) can be achieved with a simple structure.
- the assembly of the battery pack becomes easier, the internal space occupied by the protective cover (300) of the pack case is minimized, and the effect of blocking sparks and the like for the venting portion (V) can be achieved more stably.
- the protective cover (300) may further include a side cover (330).
- the side cover (330) may be provided to extend from at least one side of the main cover (310).
- the side cover (330) may extend from both sides of the main cover (310) to be bent toward the side frame (220).
- the side cover (330) may be configured to be bent in a leftward direction (-X-axis direction) at both ends in the front-back direction (X-axis direction) of the main cover (310).
- the side cover (330) may be configured to block the side surface of the venting portion (V).
- the protective cover (300) can block sparks not only toward the front of the venting portion (V) but also toward the side, thereby more effectively blocking sparks from being discharged to the outside of the pack case (200).
- sparks that are not blocked by the protective cover (300) can be prevented from flowing back into the inside of the pack case (200). For example, sparks that flowed in the lower direction of the main cover (310) can be prevented from being re-introduced to the side.
- the side cover (330) may be provided so that an end portion thereof comes into contact with the side frame (220). That is, the gap between the main cover (310) and the inner surface of the side frame (220) may be provided to be equal to the length of the side cover (330) extended from the main cover (310).
- the protective cover (300) can be reliably supported by the side cover (330) to the side frame (220), rigidity can be secured when an impact occurs to the pack case (200).
- the spaced gap between the main cover (310) and the inner surface of the side frame (220) can be maintained.
- the angle between the main cover (310) and the side frame (220) can be maintained constant without being deformed. Therefore, the venting gas can be smoothly discharged to the outside of the pack case (200) through the venting portion (V), and the effect of blocking sparks, etc. by the protective cover (300) can also be reliably secured.
- a step (A) may be formed between the venting portion (V) and the inner surface of the side frame (220). That is, at least a portion of the venting portion (V) may be provided at a position where it is sunken inwardly on the inner surface of the side frame (220).
- the venting gas can also be discharged from the venting portion (V) to a part covered by the protective cover (300). Accordingly, even if the venting gas is trapped in the space between the protective cover (300) and the venting portion (V), it can be discharged more smoothly to the venting portion (V) through the spaced space.
- Fig. 10 is a cross-sectional view of a battery pack according to another embodiment of the present invention, viewed from the upper side.
- Fig. 10 may be a drawing showing the cross-section II-II' of Fig. 1.
- the protective cover (300) may further include a support member (340).
- the support member (340) may be configured in a form in which an end of the side cover (330) is bent.
- the support member (340) may be provided to be supported by the side frame (220). That is, the support member (340) may be provided in multiple pieces by being bent in each of the side covers (330) provided on both sides of the main cover (310).
- a support member (340) may be provided at each of the front end of the front side side frame (220) and the rear end of the rear side side frame (220).
- the support member (340) can be in surface contact with the inner surface of the side frame (220).
- the support member (340) can have an outer surface that is parallel to the inner surface of the side frame (220).
- the support member (340) can have a plate shape that is erected in a vertical direction parallel to the X-Z plane, and can be in contact with the inner surface of the left or right side frame (220).
- the protective cover (300) can be more reliably supported on the side frame (220). Therefore, deformation such as bending does not occur due to external vibration or impact, internal spark or gas pressure, and its shape and position can be stably maintained.
- FIG. 11 is a cross-sectional view of a battery pack according to another embodiment of the present invention.
- the protective cover (300) may further include a lower bend portion (350).
- the lower folded portion (350) may be configured to extend inwardly from the lower portion of the main cover (310) in a form bent at a predetermined angle. Furthermore, the lower folded portion (350) may be configured to be bent in a form that becomes closer to the base frame (210) as it goes inwardly (the -Y axis direction of FIG. 12). Here, it may be said that the lower folded portion (350) is configured in an oblique form. That is, the lower folded portion (350) may be provided to form an obtuse angle with the main cover (310).
- sparks that hit the main cover (310) and are reflected downward can be guided toward the inside of the pack case (200). Accordingly, the sparks can be more reliably blocked from heading back toward the venting portion (V), thereby more effectively suppressing the sparks from being discharged outside the pack case (200).
- FIG. 12 is a cross-sectional view of a battery pack according to another embodiment of the present invention.
- the protective cover (300) may further include a protrusion (P).
- the above protrusion (P) may be configured in a form in which at least a portion of the main cover (310) protrudes.
- the protrusion (P) may be provided to protrude in a direction away from the side frame (220) from the inner surface of the main cover (310), that is, in the inner direction of the pack case (200).
- the protrusion (P) may have a form in which it protrudes in an inward direction (-Y-axis direction) from the inner surface of the main cover.
- the protrusion (P) may be provided so as to face the pack lead (230) in a diagonal shape on the inner surface of the main cover (310). That is, the protrusion (P) may be provided so as to form an acute angle with the main cover (310). For example, at least a portion of the protrusion (P) may be configured to protrude inwardly from the inner surface of the main cover (310), but to face upward as it goes toward the inner end.
- the length at which the protrusion (P) protrudes from the main cover (310) may be provided in various ways.
- the protrusions (P) may be provided in multiple numbers.
- the multiple protrusions (P) may be arranged to be spaced apart from each other along the vertical direction (Z-axis direction).
- the multiple protrusions (P) may be arranged to be spaced apart from each other along the horizontal direction (X-axis direction).
- sparks or flames, etc. emitted from the battery cell (100) are reflected by the protrusions (P), so that the flow of sparks or flames, etc. with strong straightness can be further suppressed.
- particles of sparks or flames can be collected by grooves, etc. formed between the protrusions (P). Therefore, sparks or flames, etc. can be more effectively blocked from being emitted to the outside of the pack case (200).
- Fig. 13 is a cross-sectional view of a battery pack according to another embodiment of the present invention, viewed from the upper side.
- Fig. 13 may be a drawing showing the cross-section II-II' of Fig. 1.
- the protective cover (300) may further include an inner bend (360).
- the inner bending portion (360) may be provided to extend from at least one side of the main cover (310). According to one embodiment of the present invention, the inner bending portion (360) may be extended from both sides of the main cover (310) in a direction away from the side frame (220), that is, bent toward the inside of the pack case (200).
- the inner bending portion (360) may be configured to block sparks from moving toward the side of the venting portion (V). Furthermore, the inner bending portion (360) may be provided to move sparks, etc., moving toward the venting portion (V) toward the outside of the pack case (200), toward the inside of the pack case (200).
- the inner bend (360) can bend or change the flow direction so that the spark moving in the +Y-axis direction toward the venting portion (V) moves in the opposite direction, that is, in the -Y-axis direction.
- the protective cover (300) can more effectively block sparks or flames from being discharged to the outside of the pack case (200) by changing the flow direction of sparks from the inside of the pack case (200) toward the venting portion (V) inward. Furthermore, according to the above-described embodiment of the present invention, the side portion of the protective cover (300) is spaced apart from the side frame (220), so that the venting gas can be discharged into this spaced apart space. Accordingly, sparks or flames can be blocked while allowing the venting gas to be smoothly discharged through the venting portion (V).
- FIG. 14 is a schematic perspective view of a vehicle including a battery pack according to one embodiment of the present invention.
- a vehicle (3) according to one embodiment of the present invention may include one or more battery packs (1) according to the embodiments described above.
- the vehicle (3) according to the present invention may be, for example, an electric vehicle, a hybrid vehicle, or a plug-in hybrid vehicle.
- the vehicle (3) includes a four-wheeled vehicle and a two-wheeled vehicle.
- the vehicle (3) may be operated by receiving power from a battery pack (1) or a battery module (10) according to one embodiment of the present invention.
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Battery Mounting, Suspending (AREA)
- Gas Exhaust Devices For Batteries (AREA)
Abstract
Description
Claims (14)
- 복수 개의 배터리 셀;상기 복수 개의 배터리 셀을 수용하도록 구성되며, 상기 배터리 셀에서 생성되는 가스를 외부로 배출하도록 구성되는 벤팅부가 구비되는 팩 케이스; 및상기 벤팅부의 적어도 일부를 커버하도록 구성되는 보호 커버를 포함하는 것을 특징으로 하는 배터리 팩.
- 제1항에 있어서,상기 보호 커버는 상기 복수 개의 배터리 셀과 상기 벤팅부 사이에 구비되는 것을 특징으로 하는 배터리 팩.
- 제1항에 있어서,상기 보호 커버는 상기 벤팅부의 상단부를 커버하도록 구성되어 상기 배터리 셀에서 배출된 스파크를 차단하는 것을 특징으로 하는 배터리 팩.
- 제3항에 있어서,내부 공간에 상기 복수 개의 배터리 셀을 수용하며, 상부 측에 상기 내부 공간과 연통되도록 벤팅 홀이 형성된 모듈 케이스를 더 포함하는 것을 특징으로 하는 배터리 팩.
- 제1항에 있어서,상기 팩 케이스는상기 복수 개의 배터리 셀이 안착되는 베이스 프레임과,상기 베이스 프레임에서 상방으로 연장되어 상기 벤팅부가 구비되는 사이드 프레임을 포함하고,상기 보호 커버는 상기 벤팅부가 형성되는 상기 사이드 프레임과 대면하도록 구성된 것을 특징으로 하는 배터리 팩.
- 제5항에 있어서,상기 팩 케이스는상기 사이드 프레임의 상부에 결합되어 상기 복수 개의 배터리 셀의 상부를 커버하도록 구성되는 팩 리드;를 더 포함하고,상기 보호 커버는 상기 팩 리드와 결합되는 것을 특징으로 하는 배터리 팩.
- 제6항에 있어서,상기 보호 커버는상기 벤팅부와 마주보도록 구비되는 메인 커버와,상기 메인 커버에서 상기 팩 리드 측으로 절곡되도록 연장되어 상기 팩 리드와 결합되는 리드 결합부를 포함하는 것을 특징으로 하는 배터리 팩.
- 제7항에 있어서,상기 보호 커버는상기 메인 커버의 양측에서 상기 사이드 프레임 측으로 절곡되도록 구성되는 사이드 커버를 더 포함하는 것을 특징으로 하는 배터리 팩.
- 제8항에 있어서,상기 사이드 커버는 단부가 상기 사이드 프레임에 접촉되도록 구비되는 것을 특징으로 하는 배터리 팩.
- 제9항에 있어서,상기 보호 커버는상기 사이드 커버의 단부가 상기 사이드 프레임에 지지되도록 절곡되는 지지부를 더 포함하는 것을 특징으로 하는 배터리 팩.
- 제8항에 있어서,상기 보호 커버는상기 메인 커버의 하단부에서 상기 베이스 프레임을 향해 절곡되도록 구성되는 하단 절곡부를 더 포함하는 것을 특징으로 하는 배터리 팩.
- 제8항에 있어서,상기 보호 커버는상기 메인 커버의 적어도 일부가 상기 사이드 프레임과 멀어지는 방향으로 돌출되도록 구비되는 돌출부를 더 포함하는 것을 특징으로 하는 배터리 팩.
- 제7항에 있어서,상기 보호 커버는상기 메인 커버의 양측에서 상기 사이드 프레임과 멀어지는 방향으로 절곡되도록 구성되는 내측 절곡부를 더 포함하는 것을 특징으로 하는 배터리 팩.
- 제1항 내지 제13항 중 어느 한 항에 따른 배터리 팩을 포함하는 자동차.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US19/103,519 US20260066452A1 (en) | 2023-04-28 | 2023-11-24 | Battery pack and vehicle including same |
| JP2025503160A JP2025525621A (ja) | 2023-04-28 | 2023-11-24 | バッテリーパック及びそれを含む自動車 |
| CN202380048010.XA CN119404363A (zh) | 2023-04-28 | 2023-11-24 | 电池组和包括该电池组的车辆 |
| EP23935520.9A EP4576383A4 (en) | 2023-04-28 | 2023-11-24 | BATTERY PACK AND VEHICLE INCLUDING A BATTERY PACK |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2023-0056233 | 2023-04-28 | ||
| KR20230056233 | 2023-04-28 | ||
| KR10-2023-0086025 | 2023-07-03 | ||
| KR1020230086025A KR20240159412A (ko) | 2023-04-28 | 2023-07-03 | 배터리 팩 및 이를 포함하는 자동차 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2024225547A1 true WO2024225547A1 (ko) | 2024-10-31 |
Family
ID=93256882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/KR2023/019156 Ceased WO2024225547A1 (ko) | 2023-04-28 | 2023-11-24 | 배터리 팩 및 이를 포함하는 자동차 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20260066452A1 (ko) |
| EP (1) | EP4576383A4 (ko) |
| JP (1) | JP2025525621A (ko) |
| CN (1) | CN119404363A (ko) |
| WO (1) | WO2024225547A1 (ko) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20220101459A (ko) * | 2021-01-11 | 2022-07-19 | 주식회사 엘지에너지솔루션 | 화재 발생 및 폭발을 방지할 수 있는 구조를 갖는 배터리 모듈, 그리고 이를 포함하는 배터리 팩 및 자동차 |
| KR20230024836A (ko) * | 2021-08-12 | 2023-02-21 | 주식회사 엘지에너지솔루션 | 안전성이 강화된 배터리 모듈 |
| KR20230032354A (ko) * | 2021-08-30 | 2023-03-07 | 주식회사 엘지에너지솔루션 | 열폭주 시 산소 유입 차단을 위한 구조가 적용된 배터리 모듈 |
| KR20230032353A (ko) * | 2021-08-30 | 2023-03-07 | 주식회사 엘지에너지솔루션 | 열폭주 시 스파크의 외부 유출 차단을 위한 구조가 적용된 배터리 모듈 |
| KR20230039122A (ko) * | 2021-09-13 | 2023-03-21 | 주식회사 엘지에너지솔루션 | 열폭주 전이 방지 성능이 향상된 배터리 모듈 |
| KR20230056233A (ko) | 2021-10-20 | 2023-04-27 | 주식회사 조은텍 | 링 레이저 자이로스코프의 반구형 캐소드를 연마하기 위한 회전식 자동 연마 장치 및 그 방법 |
| KR20230086025A (ko) | 2021-12-07 | 2023-06-15 | 삼성전자주식회사 | 반도체 폐수의 탈질용 조성물 및 이를 이용한 반도체 폐수의 처리 장치 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6536254B2 (ja) * | 2015-07-29 | 2019-07-03 | 株式会社豊田自動織機 | 電池パック |
| CN208570682U (zh) * | 2018-07-06 | 2019-03-01 | 宁德时代新能源科技股份有限公司 | 顶盖组件及二次电池 |
| JP7310426B2 (ja) * | 2019-08-08 | 2023-07-19 | 株式会社Gsユアサ | 蓄電装置 |
| PL4131618T3 (pl) * | 2020-07-02 | 2025-09-01 | Lg Energy Solution, Ltd. | Moduł akumulatorowy z kieszenią zdolną do wychwytywania płomieni i iskier wyrzucanych w czasie pęcznienia |
| KR102793244B1 (ko) * | 2021-10-06 | 2025-04-07 | 주식회사 엘지에너지솔루션 | 안전성이 향상된 배터리 팩 |
-
2023
- 2023-11-24 EP EP23935520.9A patent/EP4576383A4/en active Pending
- 2023-11-24 JP JP2025503160A patent/JP2025525621A/ja active Pending
- 2023-11-24 CN CN202380048010.XA patent/CN119404363A/zh active Pending
- 2023-11-24 WO PCT/KR2023/019156 patent/WO2024225547A1/ko not_active Ceased
- 2023-11-24 US US19/103,519 patent/US20260066452A1/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20220101459A (ko) * | 2021-01-11 | 2022-07-19 | 주식회사 엘지에너지솔루션 | 화재 발생 및 폭발을 방지할 수 있는 구조를 갖는 배터리 모듈, 그리고 이를 포함하는 배터리 팩 및 자동차 |
| KR20230024836A (ko) * | 2021-08-12 | 2023-02-21 | 주식회사 엘지에너지솔루션 | 안전성이 강화된 배터리 모듈 |
| KR20230032354A (ko) * | 2021-08-30 | 2023-03-07 | 주식회사 엘지에너지솔루션 | 열폭주 시 산소 유입 차단을 위한 구조가 적용된 배터리 모듈 |
| KR20230032353A (ko) * | 2021-08-30 | 2023-03-07 | 주식회사 엘지에너지솔루션 | 열폭주 시 스파크의 외부 유출 차단을 위한 구조가 적용된 배터리 모듈 |
| KR20230039122A (ko) * | 2021-09-13 | 2023-03-21 | 주식회사 엘지에너지솔루션 | 열폭주 전이 방지 성능이 향상된 배터리 모듈 |
| KR20230056233A (ko) | 2021-10-20 | 2023-04-27 | 주식회사 조은텍 | 링 레이저 자이로스코프의 반구형 캐소드를 연마하기 위한 회전식 자동 연마 장치 및 그 방법 |
| KR20230086025A (ko) | 2021-12-07 | 2023-06-15 | 삼성전자주식회사 | 반도체 폐수의 탈질용 조성물 및 이를 이용한 반도체 폐수의 처리 장치 |
Non-Patent Citations (1)
| Title |
|---|
| See also references of EP4576383A4 |
Also Published As
| Publication number | Publication date |
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| CN119404363A (zh) | 2025-02-07 |
| US20260066452A1 (en) | 2026-03-05 |
| EP4576383A4 (en) | 2026-01-28 |
| JP2025525621A (ja) | 2025-08-05 |
| EP4576383A1 (en) | 2025-06-25 |
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