WO2024014944A1 - 전지 팩 및 이를 포함하는 디바이스 - Google Patents
전지 팩 및 이를 포함하는 디바이스 Download PDFInfo
- Publication number
- WO2024014944A1 WO2024014944A1 PCT/KR2023/095029 KR2023095029W WO2024014944A1 WO 2024014944 A1 WO2024014944 A1 WO 2024014944A1 KR 2023095029 W KR2023095029 W KR 2023095029W WO 2024014944 A1 WO2024014944 A1 WO 2024014944A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- flow path
- battery pack
- pressure
- battery
- path frame
- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6561—Gases
- H01M10/6563—Gases with forced flow, e.g. by blowers
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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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
- H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
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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
- H01M50/30—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
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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
- H01M50/367—Internal gas exhaust passages forming part of the battery cover or case; Double cover vent systems
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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
- H01M50/60—Arrangements or processes for filling or topping-up with liquids; Arrangements or processes for draining liquids from casings
- H01M50/673—Containers for storing liquids; Delivery conduits therefor
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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
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Definitions
- the present invention relates to a battery pack and a device including the same, and more specifically, to a battery pack that can smoothly discharge high-temperature gas and a device including the same.
- Embodiments of the present invention seek to provide a battery pack that can smoothly discharge gas generated inside and a device including the same.
- a battery pack according to an embodiment of the present invention includes a plurality of battery modules; a flow path frame disposed along an edge of at least a portion of the plurality of battery modules and forming an internal passage;
- a blowing member may be provided that communicates with one end of the internal passage of the flow path frame and controls the gas discharge rate within the internal passage.
- the battery pack may further include an outlet communicating with the other end of the internal passage.
- the battery pack includes a pack housing that accommodates the battery module and the flow path frame; a storage tank disposed on at least one of the inside and outside of the pack housing; It may further include a fluid supply pipe disposed between the storage tank and the flow path frame, and the fluid stored in the storage tank may be supplied to the internal passage of the flow path frame through the fluid supply pipe.
- the fluid may be at least one of a liquid containing water and a gas containing nitrogen.
- the blowing member operates when the pressure of the internal passage is the first pressure
- the storage tank operates when the pressure of the internal passage is the first pressure after operation of the blowing member, or the storage tank operates when the pressure of the internal passage is the first pressure. It can operate at a higher second pressure.
- the storage tank may discharge the fluid at a third pressure that is higher than the second pressure.
- the fluid supply pipe may be formed by branching from the fluid frame.
- the storage tanks are comprised of a plurality of storage tanks, one of the plurality of storage tanks stores gas for discharging foreign substances sprayed into the internal passage, and one of the remaining storage tanks of the plurality of storage tanks is It may include storing liquid for discharging foreign substances sprayed into the internal passage.
- the flow path frame includes a first flow path frame disposed along one edge of the plurality of battery modules; It may include a second flow path frame disposed along the other edge of the plurality of battery modules.
- the blowing member may include a rotating fan.
- a device may include the above-described battery pack.
- gas generated inside the battery pack can be smoothly discharged through a blowing member disposed inside the battery pack, thereby suppressing the creation of a flame and an increase in pressure inside the battery pack.
- foreign substances accumulated inside the battery pack can be discharged to the outside through fluid sprayed inside the battery pack, and the pressure inside the battery pack can be managed at a certain level.
- the stability of the battery pack can be improved through at least one of a blowing member disposed inside the battery pack and a fluid sprayed inside the battery pack.
- FIG. 1 is a perspective view showing a battery pack according to a first embodiment of the present invention.
- Figure 2 is an exploded perspective view of the battery module shown in Figure 1.
- FIG. 3 is a cross-sectional view for specifically explaining the flow path frame shown in FIG. 1.
- FIGS. 4A and 4B are diagrams for explaining a method of discharging gas from a battery pack according to an embodiment of the present invention using the flow path frame shown in FIG. 3.
- Figure 5 is a cross-sectional view showing a portion of a battery pack according to a second embodiment of the present invention.
- FIGS. 6A and 6B are diagrams for explaining a method of discharging gas from a battery pack according to another embodiment of the present invention using the flow path frame shown in FIG. 5.
- Figure 1 is an exploded perspective view showing a battery pack according to a first embodiment of the present invention
- Figure 2 is an exploded perspective view showing the battery module shown in Figure 1 in detail.
- the battery pack 101 includes a pack housing 400, a plurality of battery modules 100 accommodated in the pack housing 400, and a flow path frame 300. may include.
- each of the plurality of battery modules 100 includes a battery cell stack 102 in which a plurality of battery cells 103 are stacked, and a module frame 110 for storing the battery cell stack 102. and an end plate 120.
- a plurality of battery cells 103 are stacked so that they can be electrically connected to each other to form a battery cell stack 102.
- a plurality of battery cells 103 may be stacked along a direction parallel to the y-axis as shown in FIG. 2.
- the module frame 110 that accommodates the battery cell stack 102 may include an upper plate 112 and a lower frame 111.
- the lower frame 111 may be a U-shaped frame.
- the U-shaped lower frame 111 may include a bottom portion and two side portions extending in the z-axis direction from both ends of the bottom portion.
- the bottom portion may cover the lower surface of the battery cell stack 102 (direction opposite to the z-axis), and the side portion may cover both sides of the battery cell stack 102 (y-axis direction and the opposite direction). .
- the upper plate 112 may be formed as a single plate-shaped structure that surrounds the upper surface (z-axis direction) except for the lower surface and both sides that are surrounded by the lower frame 111.
- the upper plate 112 and the lower frame 111 are joined by welding or the like with their corresponding corners in contact, thereby forming a structure that covers the battery cell stack 102 up, down, left and right.
- the battery cell stack 102 can be physically protected through the upper plate 112 and lower frame 111.
- the upper plate 112 and the lower frame 111 may include a metal material with a predetermined strength.
- the end plate 120 may cover the battery cell stack 102 exposed at both ends of the module frame 110.
- a venting gate 121 may be formed on at least one of the two end plates 120.
- the venting gate 121 communicates with the interior of the battery module 100 and may emit flame or heat that may be generated inside the battery module 100.
- the venting gate 121 may be connected to an opening (not shown) formed in a portion of the end plate 120 and communicate with the interior of the battery module 100.
- the venting gate 121 may be arranged to face the outside of the battery pack 101.
- the plurality of battery modules 100 may be arranged in a row or in a matrix form. For example, some of the plurality of battery modules 100 arranged in a matrix form are arranged in a first row parallel to the y-axis direction, and some of the remaining battery modules 100 are arranged in a second row parallel to the first row. can be arranged in The plurality of battery modules 100 arranged in the first row and the plurality of battery modules 100 arranged in the second row may be arranged symmetrically with respect to the y-axis direction.
- the venting gate 121 of each of the plurality of battery modules 100 arranged in the first row may be arranged to face in a direction opposite to the x-axis direction.
- the venting gate 121 of each of the plurality of battery modules 100 arranged in the second row may be arranged to face the x-axis direction.
- the flow path frame 300 may be formed along the edges of at least a portion of the plurality of battery modules 100.
- the flow path frame 300 may be formed along at least one of the plurality of sides of the lower housing 410 .
- the flow path frame 300 may be formed in a tubular shape between the lower housing 410 and the battery module 100.
- At least one flow path frame 300 may be provided between the lower housing 410 and the battery module 100.
- the flow path frame 300 includes a first flow path frame 310 and a second flow path frame 320 arranged side by side. It can be included.
- the first flow path frame 310 may be formed to extend along the end plates 120 of the plurality of battery modules 100 arranged in the first row.
- the second flow path frame 320 may be formed to extend along the end plates 120 of the plurality of battery modules 100 arranged in the second row.
- the inner passage of the first flow path frame 310 and the inner passage of the second flow path frame 320 may be formed to communicate with each other, or may be formed to be spaced apart from each other.
- the pack housing 400 may include a lower housing 410 and an upper cover 420.
- the upper cover 420 is coupled to the lower housing 410 to cover the upper part of the battery module 100, thereby protecting the overall length inside the pack housing 400.
- the lower housing 410 may include a bottom surface and a side wall extending in the z-axis direction from an edge of the bottom surface.
- a pack tray 200 may be seated on the bottom surface.
- the battery module 100, flow path frame 300, blowing member 500, and pack tray 200 can be accommodated in the lower housing 410.
- a plurality of battery modules 100, a flow path frame 300, and a blowing member 500 may be disposed on the pack tray 200.
- the plurality of battery modules 100 and the flow path frame 300 may be fixed to the pack tray 200 as needed.
- the blowing member 500 may discharge air into the internal passage of the flow path frame 300 through the outlet 300.
- the blowing member 500 may be a blowing fan (or rotating fan) having a plurality of blades installed to rotate about an axis, or it may be a blowing member without blades.
- the blowing member 500 may operate when at least one of the gas flow rate, gas amount, and pressure inside the flow path frame 300 reaches a certain level (standard value). Due to the operation (or rotation) of the blowing member 500, the gas in the flow path frame 300 is discharged to the outside at a speed exceeding the performance of the venting member, so the increase in temperature and pressure inside the battery pack 101 can be suppressed. there is.
- the venting member may include at least one of a venting gate 121, an outlet 430, a venting valve, and a rupture disk.
- An outlet 430 may be disposed on one side wall of the lower housing 410 to discharge heat or flame generated inside to the outside. At least one of a venting valve and a rupture disc included in the venting member may be disposed around the outlet 430.
- the rupture disk may be connected to the flow path frame 300. The rupture disk may be formed to rupture when the pressure of gas flowing into the internal passage of the flow path frame 300 exceeds a certain pressure.
- the battery management system may monitor at least one of pressure, temperature, and gas of at least one of the battery module 100 and the flow path frame 300.
- the battery management system may control whether the blowing member 500 operates by comparing the monitored measurement value with a preset reference value.
- the battery management system may control the blowing member 500 to operate when the monitored measurement value reaches a preset reference value.
- the battery management system may control the blowing member 500 not to operate when the monitored measurement value is less than a preset reference value.
- the battery management system may compare the measured pressure with a preset reference pressure, and control the blowing member 500 to operate when the measured pressure reaches the reference pressure.
- the battery management system may compare the measured gas amount with a preset reference gas amount, and control the blowing member 500 to operate when the measured gas amount reaches the reference gas amount.
- the battery management system may control the blowing member 500 to operate when at least two of the measured values of pressure, temperature, and gas reach preset reference values.
- FIG. 3 is a diagram for specifically explaining the flow path frame shown in FIG. 1.
- the flow path frame 300 may communicate with the venting gate 121 and the outlet 430 of the battery module 100.
- the flow path frame 300 can minimize the impact on surrounding battery modules by directing heat and flames to the outside.
- the flame contained in the generated high-pressure venting gas may be completely burned while passing through the internal passage of the flow path frame 300 and discharged to the outside in a safer state.
- the flow path frame 300 acts as a support frame that stably supports the battery module 100, thereby improving the stability of the battery pack 101.
- the flow path frame 300 may include a first flow path frame 310 and a second flow path frame 320.
- the first flow path frame 310 may communicate with the venting gate 121 of each of the plurality of battery modules 100 disposed in the first row among the plurality of battery modules 100.
- the second flow path frame 320 may communicate with the venting gate 121 of each of the plurality of battery modules 100 disposed in the second row among the plurality of battery modules 100.
- a blowing member 500 may be disposed on at least one side of the first flow path frame 310 and the second flow path frame 320 (eg, a side facing in the opposite direction of the y-axis).
- An outlet 430 may be disposed on at least one other side (eg, the side facing the y-axis) of the first flow path frame 310 and the second flow path frame 320.
- the blowing member 500 may be disposed in an internal passage of each passage frame 310 and 320, or may be disposed between each of the passage frames 310 and 320 and the pack housing 410.
- the blowing member 500 may be disposed adjacent to the battery module 100 that is furthest from the venting member among the plurality of battery modules 100 .
- the blowing member 500 may forcibly discharge air from the internal passage of the flow path frame 300 to the outside through the venting member. Since the blowing member 500 rotates with the rotation of the motor 510, the flow of gas within the flow path frames 310 and 320 can be accelerated. As the blowing member 500 rotates, the gas in the flow path frames 310 and 320 moves toward the outlet 430 and can be discharged to the outside of the battery pack 101.
- FIGS. 4A and 4B are diagrams for explaining a method of discharging gas from a battery pack according to a first embodiment of the present invention.
- issues such as overvoltage, overcurrent, or overheating (or heat issues) may occur within at least one battery module 100 among the plurality of battery modules 100.
- high-pressure venting gas may be discharged from the inside of the battery module 100 through the venting gate 121.
- High-temperature, high-pressure gas and flame discharged through the venting gate 121 may flow into the internal passages of the flow path frames 310 and 320.
- the introduced high-temperature, high-pressure gas and flame may be discharged to the outside through a venting member including at least one of the outlet 300, a rupture disk, and a venting valve. Gas flowing into the internal passages of the flow frames 310 and 320 may be discharged at a first rate.
- the battery management system may monitor in real time or periodically at least one of the temperature, pressure, amount of gas, and flow rate of gas inside the flow frames 310 and 320.
- the battery management system may control the blowing member 500 to operate when at least one of the temperature, pressure, amount of gas, and flow rate of gas inside the flow path frames 310 and 320 reaches a standard value.
- the blowing member 500 may rotate by power supplied to the motor 510. Due to the rotational movement of the blowing member 500, high-pressure gas and flame in the internal passage of the flow path frame 300 may be forcibly discharged to the outside through the outlet 430, as shown in FIG. 4B.
- the blowing member 500 may discharge high-pressure gas and flame from the internal passage of the flow path frame 300 to the outside at a second speed.
- the second speed may be higher than the first speed (performance of the venting member) that discharges the high-pressure gas and flame in the internal passage of the flow path frame 300 to the outside through the venting member including the outlet 300. Accordingly, the increase in temperature and pressure inside the battery pack 101 is suppressed, thereby preventing structural deformation and collapse of the battery pack 101.
- FIG. 5 is a cross-sectional view showing a battery pack according to a second embodiment of the present invention.
- the battery pack shown in FIG. 5 may have the same components as the battery pack of the first embodiment shown in FIGS. 1 and 3, except that it further includes a storage tank 700 and a fluid supply pipe 600. You can. Accordingly, it is obvious that the detailed description of the same components can be regarded as the contents of the battery pack of the first embodiment.
- the battery pack 501 may include a storage tank 700 and a fluid supply pipe 600.
- the fluid supply pipe 600 may be formed by branching from the flow path frame 300.
- the blowing member 500 disposed within the flow path frame 300 may not obstruct the flow of fluid sprayed through the storage tank 700.
- One end of the fluid supply pipe 600 may be coupled to a storage tank 700 located at least one of the inside and outside of the pack housing 400.
- the other end of the fluid supply pipe 600 may communicate with the internal passage of the flow path frame 300.
- the storage tank 700 may store fluid that can be sprayed into the internal passage of the flow path frame 300. Fluid may be periodically filled and stored in the storage tank 700.
- the storage tank 700 may store at least one of a gas for discharging foreign substances and a liquid for discharging foreign substances.
- the gas for discharging foreign substances may contain nitrogen
- the liquid for discharging foreign substances may contain water.
- the storage tank 700 may include a plurality of storage tanks storing different fluids or the same fluid.
- the storage tank 700 may include a first storage tank storing a gas containing nitrogen and a second storage tank storing a liquid containing water. Fluid may be supplied to the interior of the fluid supply pipe 600 and the flow path frame 300 in the order of the first storage tank and the second storage tank or in the reverse order.
- a pump (not shown) connected to the storage tank 700 pumps the fluid in the storage tank 700 so that the fluid stored in the storage tank 700 can be injected into the fluid supply pipe 600.
- the storage tank 700 sprays fluid at high pressure toward the fluid supply pipe 600 and the flow path frame 300 toward the outlet 430, so that foreign matter accumulated inside the flow path frame 300 and the outlet 430 can be removed. there is. Foreign matter may be generated by carbonization when the battery cell 103 ignites, or it may be generated by melting at least one of the venting member including the outlet 430 and the blowing member 500. Accordingly, foreign matter can be smoothly discharged to the outside of the battery pack 101 through the fluid injected at high pressure.
- the storage tank 700 operates the fluid supply pipe 600. Fluid can be injected into the flow path frame 300 through. Despite the operation of the blowing member 500, when at least one of the temperature and pressure of the internal passage of the flow path frame 300 reaches a preset reference value, the storage tank 700 sprays fluid into the flow path frame 300. You can. Specifically, the amount of gas generated from at least one of the plurality of battery modules 100 may be greater than the amount of gas discharged to the outside due to the operation of the blowing member 500. In this case, the temperature and pressure inside the flow path frame 300 and the battery module 100 may increase.
- the storage tank 700 sprays fluid to the flow path frame 300 through the fluid supply pipe 600 when the temperature and pressure inside the flow path frame 300 are below the standard values after the operation of the blowing member 500 is completed. can do. Accordingly, foreign matter accumulated inside the flow path frame 300 and at the outlet 430 is smoothly discharged to the outside of the battery pack 101, so that the inside of the battery pack 101 can maintain a certain level of pressure.
- the storage tank 700 is connected to the flow path frame 300 through the fluid supply pipe 600. Fluid can be sprayed. Accordingly, foreign matter accumulated inside the flow path frame 300 and at the outlet 430 is smoothly discharged to the outside of the battery pack 101, so that the inside of the battery pack 101 can maintain a certain level of pressure.
- 6A and 6B are diagrams for explaining a method of discharging gas from a battery pack according to a second embodiment of the present invention.
- issues such as overvoltage, overcurrent, or overheating (heat issues) may occur within at least one battery module 100 among the plurality of battery modules 100.
- venting gas from the inside of the battery module 100 may be discharged through the venting gate 121.
- High-temperature, high-pressure venting gas and flame discharged through the venting gate 121 may flow into the interior of the flow path frames 310 and 320.
- the introduced high-temperature, high-pressure venting gas and flame may be discharged to the outside through the venting member including the discharge port 300 at a first rate.
- the battery management system may monitor in real time or periodically at least one of the temperature, pressure, amount of gas, and flow rate of gas inside the flow frames 310 and 320.
- the battery management system may control the blowing member 500 to operate.
- the battery management system may control the blowing member 500 to operate when the pressure in the internal passage of the flow path frames 310 and 320 increases and reaches a first pressure.
- the blowing member 500 may rotate by power supplied to the motor 510. Due to the rotational movement of the blowing member 500, high-pressure gas and flame inside the flow path frame 300 may be forcibly discharged to the outside through the outlet 430.
- the blowing member 500 may discharge high-pressure venting gas and flame inside the flow path frame 300 to the outside at a second speed.
- the second speed may be higher than the first speed (or the performance of the venting member) at which the high-pressure venting gas and flame inside the flow path frame 300 are discharged to the outside through the venting member.
- the storage tank 700 as shown in FIG. 6B Can inject fluid into the flow path frame 300.
- the storage tank 700 may inject fluid into the flow path frame 300 when the pressure of the internal passage of the flow path frames 310 and 320 is the first pressure or reaches a second pressure higher than the first pressure.
- the storage tank 700 may spray fluid at a third pressure that is higher than the second pressure.
- the fluid injected at high pressure (e.g., third pressure) by the storage tank 700 may discharge foreign substances accumulated in the internal passage and outlet 430 of the flow path frame 300 to the outside of the battery pack 101. Accordingly, the interior of the battery pack 101 can maintain a certain level of temperature and pressure.
- the structures of the battery pack 101 described above are not limited to the embodiments described in each drawing, and the structures described in each drawing may be applied in combination.
- the battery pack 101 employs only a plurality of blowing members 500 shown in FIGS. 3, 4a, and 4b, or uses a storage tank 700 without the blowing members 500 shown in FIGS. 5, 6a, and 6b. ) and a plurality of fluid supply pipes 600 alone, or a combination of the blowing member 500, the storage tank 700, and the fluid supply pipe 600, as described in FIGS. 5, 6A, and 6B.
- the battery pack 101 described above can be applied to various devices. It can be applied to transportation means such as electric bicycles, electric vehicles, and hybrids, but is not limited thereto and can be applied to various devices that can use the battery pack 101.
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Aviation & Aerospace Engineering (AREA)
- Battery Mounting, Suspending (AREA)
- Gas Exhaust Devices For Batteries (AREA)
- Secondary Cells (AREA)
Abstract
Description
Claims (11)
- 복수개의 전지 모듈과;상기 복수의 전지 모듈의 적어도 일부의 가장 자리를 따라 배치되며, 내부 통로를 형성하는 유로 프레임과;상기 유로 프레임의 내부 통로의 일단과 연통하여 상기 내부 통로 내의 가스 배출 속도를 제어하는 송풍 부재를 구비하는 전지 팩.
- 제 1 항에 있어서,상기 내부 통로의 타단과 연통하는 배출구를 더 포함하는 전지 팩.
- 제 1 항에 있어서,상기 전지 모듈 및 상기 유로 프레임을 수납하는 팩 하우징과;상기 팩 하우징의 내부 및 외부 중 적어도 어느 하나에 배치되는 저장 탱크와;상기 저장 탱크와 상기 유로 프레임 사이에 배치되는 유체 공급관을 더 구비하며,상기 저장 탱크에서 저장된 유체는 상기 유체 공급관을 통해 상기 유로 프레임의 내부 통로에 공급되는 전지 팩.
- 제 3 항에 있어서,상기 유체는 물을 포함하는 액체 및 질소를 포함하는 기체 중 적어도 어느 하나인 전지 팩.
- 제 3 항에 있어서,상기 송풍 부재는 상기 내부 통로의 압력이 제1 압력일 때 동작하며,상기 저장 탱크는 상기 송풍 부재의 동작 이후 상기 내부 통로의 압력이 상기 제1 압력이거나, 상기 제1 압력보다 높은 제2 압력일 때 동작하는 전지 팩.
- 제 5 항에 있어서,상기 저장 탱크는 상기 유체를 상기 제2 압력보다 높은 제3 압력으로 배출하는 전지 팩.
- 제 3 항에 있어서,상기 유체 공급관은 상기 유체 프레임에서 분기되어 형성되는 전지 팩.
- 제 3 항에 있어서,상기 저장 탱크는 복수개로 이루어지며,상기 복수개의 저장 탱크 중 어느 하나는 상기 내부 통로에 분사되는 이물 배출용 기체를 저장하며,상기 복수개의 저장 탱크의 나머지 중 어느 하나는 상기 내부 통로에 분사되는 이물 배출용 액체를 저장하는 포함하는 전지 팩.
- 제 1 항에 있어서,상기 유로 프레임은상기 복수개의 전지 모듈들의 일측 가장 자리를 따라 배치되는 제1 유로 프레임과;상기 복수개의 전지 모듈들의 타측 가장 자리를 따라 배치되는 제2 유로 프레임을 포함하는 전지 팩.
- 제 1 항에 있어서,상기 송풍 부재는 회전 팬을 포함하는 전지 팩.
- 제 1 항의 전지 팩을 포함하는 디바이스.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2024569602A JP2025518072A (ja) | 2022-07-14 | 2023-07-13 | 電池パックおよびこれを含むデバイス |
| CN202380047987.XA CN119631231A (zh) | 2022-07-14 | 2023-07-13 | 电池组和包括该电池组的装置 |
| US18/875,707 US20250286213A1 (en) | 2022-07-14 | 2023-07-13 | Battery pack and device including the same |
| EP23840035.2A EP4525164A4 (en) | 2022-07-14 | 2023-07-13 | BATTERY BLOCK AND DEVICE INCLUDING IT |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2022-0087178 | 2022-07-14 | ||
| KR1020220087178A KR20240009808A (ko) | 2022-07-14 | 2022-07-14 | 전지 팩 및 이를 포함하는 디바이스 |
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| WO2024014944A1 true WO2024014944A1 (ko) | 2024-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| PCT/KR2023/095029 Ceased WO2024014944A1 (ko) | 2022-07-14 | 2023-07-13 | 전지 팩 및 이를 포함하는 디바이스 |
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| Country | Link |
|---|---|
| US (1) | US20250286213A1 (ko) |
| EP (1) | EP4525164A4 (ko) |
| JP (1) | JP2025518072A (ko) |
| KR (1) | KR20240009808A (ko) |
| CN (1) | CN119631231A (ko) |
| WO (1) | WO2024014944A1 (ko) |
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| KR20250131088A (ko) * | 2024-02-26 | 2025-09-02 | 주식회사 엘지에너지솔루션 | 배터리 팩 및 이를 포함하는 자동차 |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130051102A (ko) * | 2011-11-09 | 2013-05-20 | 한국과학기술원 | 전기자동차 중대형 배터리의 부분 냉각 시스템 및 방법 |
| JP2015049999A (ja) * | 2013-08-30 | 2015-03-16 | プライムアースEvエナジー株式会社 | 冷却装置及び電源装置 |
| KR20200124031A (ko) * | 2019-04-23 | 2020-11-02 | 현대자동차주식회사 | 배터리 냉각 제어 시스템 및 방법 |
| CN112018299A (zh) * | 2020-10-19 | 2020-12-01 | 江苏时代新能源科技有限公司 | 箱体、电池及装置 |
| KR102385145B1 (ko) * | 2022-01-03 | 2022-04-11 | 이진석 | 배터리모듈 냉각장치 |
| KR20220087178A (ko) | 2020-12-17 | 2022-06-24 | 주식회사 포스코 | 가공성이 우수한 고강도 강판 및 그 제조방법 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2906492B2 (ja) * | 1989-11-27 | 1999-06-21 | 神鋼電機株式会社 | ガス抜き方法 |
| DE102009000660A1 (de) * | 2009-02-06 | 2010-08-12 | Robert Bosch Gmbh | Batteriemodul |
| DE102014213920A1 (de) * | 2014-07-17 | 2016-01-21 | Robert Bosch Gmbh | Batteriesystem |
| DE102014017868A1 (de) * | 2014-12-03 | 2016-06-09 | Daimler Ag | System mit Vorrichtung zur Trocknung von Gas für Batteriegehäuse |
| WO2018123573A1 (ja) * | 2016-12-27 | 2018-07-05 | パナソニックIpマネジメント株式会社 | 電池モジュール |
| KR102922131B1 (ko) * | 2020-04-29 | 2026-02-02 | 주식회사 엘지에너지솔루션 | 전지팩 및 이를 포함하는 디바이스 |
| CN114024072B (zh) * | 2020-07-16 | 2024-09-24 | 哲弗智能系统(上海)有限公司 | 防灭火电池包及车辆 |
-
2022
- 2022-07-14 KR KR1020220087178A patent/KR20240009808A/ko active Pending
-
2023
- 2023-07-13 WO PCT/KR2023/095029 patent/WO2024014944A1/ko not_active Ceased
- 2023-07-13 JP JP2024569602A patent/JP2025518072A/ja active Pending
- 2023-07-13 EP EP23840035.2A patent/EP4525164A4/en active Pending
- 2023-07-13 CN CN202380047987.XA patent/CN119631231A/zh active Pending
- 2023-07-13 US US18/875,707 patent/US20250286213A1/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130051102A (ko) * | 2011-11-09 | 2013-05-20 | 한국과학기술원 | 전기자동차 중대형 배터리의 부분 냉각 시스템 및 방법 |
| JP2015049999A (ja) * | 2013-08-30 | 2015-03-16 | プライムアースEvエナジー株式会社 | 冷却装置及び電源装置 |
| KR20200124031A (ko) * | 2019-04-23 | 2020-11-02 | 현대자동차주식회사 | 배터리 냉각 제어 시스템 및 방법 |
| CN112018299A (zh) * | 2020-10-19 | 2020-12-01 | 江苏时代新能源科技有限公司 | 箱体、电池及装置 |
| KR20220087178A (ko) | 2020-12-17 | 2022-06-24 | 주식회사 포스코 | 가공성이 우수한 고강도 강판 및 그 제조방법 |
| KR102385145B1 (ko) * | 2022-01-03 | 2022-04-11 | 이진석 | 배터리모듈 냉각장치 |
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| Title |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP2025518072A (ja) | 2025-06-12 |
| EP4525164A4 (en) | 2026-01-14 |
| EP4525164A1 (en) | 2025-03-19 |
| CN119631231A (zh) | 2025-03-14 |
| KR20240009808A (ko) | 2024-01-23 |
| US20250286213A1 (en) | 2025-09-11 |
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