WO2023121076A1 - 소화수 저장 탱크를 구비한 배터리 팩 - Google Patents
소화수 저장 탱크를 구비한 배터리 팩 Download PDFInfo
- Publication number
- WO2023121076A1 WO2023121076A1 PCT/KR2022/019986 KR2022019986W WO2023121076A1 WO 2023121076 A1 WO2023121076 A1 WO 2023121076A1 KR 2022019986 W KR2022019986 W KR 2022019986W WO 2023121076 A1 WO2023121076 A1 WO 2023121076A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- battery
- fire extinguishing
- module
- battery modules
- battery pack
- Prior art date
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 56
- 238000007789 sealing Methods 0.000 claims description 32
- 238000002347 injection Methods 0.000 claims description 16
- 239000007924 injection Substances 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 10
- 238000004146 energy storage Methods 0.000 claims description 8
- 239000011521 glass Substances 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 6
- 230000017525 heat dissipation Effects 0.000 claims description 6
- 230000002528 anti-freeze Effects 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 150000003839 salts Chemical class 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 239000010425 asbestos Substances 0.000 claims description 3
- 239000006260 foam Substances 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229910052895 riebeckite Inorganic materials 0.000 claims description 3
- 229920002379 silicone rubber Polymers 0.000 claims description 3
- 239000004945 silicone rubber Substances 0.000 claims description 3
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 3
- 229920002554 vinyl polymer Polymers 0.000 claims description 3
- 230000009970 fire resistant effect Effects 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 30
- 238000013022 venting Methods 0.000 description 25
- 239000012530 fluid Substances 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 5
- 229910052744 lithium Inorganic materials 0.000 description 5
- 238000000926 separation method Methods 0.000 description 4
- 230000001629 suppression Effects 0.000 description 4
- 238000007710 freezing Methods 0.000 description 3
- 230000008014 freezing Effects 0.000 description 3
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 2
- 229920002943 EPDM rubber Polymers 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 239000007773 negative electrode material Substances 0.000 description 2
- 239000007774 positive electrode material Substances 0.000 description 2
- 230000001902 propagating effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 230000002730 additional effect Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- QELJHCBNGDEXLD-UHFFFAOYSA-N nickel zinc Chemical compound [Ni].[Zn] QELJHCBNGDEXLD-UHFFFAOYSA-N 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/04—Control of fire-fighting equipment with electrically-controlled release
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/08—Control of fire-fighting equipment comprising an outlet device containing a sensor, or itself being the sensor, i.e. self-contained sprinklers
- A62C37/10—Releasing means, e.g. electrically released
- A62C37/11—Releasing means, e.g. electrically released heat-sensitive
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
- H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
- H01M50/209—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
-
- 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
- H01M50/24—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 from their environment, e.g. from corrosion
-
- 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
-
- 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, and more particularly, to a battery pack configured to ensure safety even when a thermal event occurs.
- a lithium secondary battery mainly use lithium-based oxides and carbon materials as positive electrode active materials and negative electrode active materials, respectively.
- a lithium secondary battery includes an electrode assembly in which a positive electrode plate and a negative electrode plate coated with such a positive electrode active material and a negative electrode active material are disposed with a separator therebetween, and an exterior material that seals and houses the electrode assembly together with an electrolyte, that is, a battery case.
- lithium secondary batteries can be classified into a can-type secondary battery in which an electrode assembly is embedded in a metal can and a pouch-type secondary battery in which an electrode assembly is embedded in a pouch of an aluminum laminate sheet, depending on the shape of an exterior material.
- Such secondary batteries are widely used not only in small devices such as portable electronic devices, but also in medium and large devices such as electric vehicles and energy storage systems (ESSs), and their use is rapidly increasing. Moreover, in recent years, as a use for storing electric power, a trend of using domestic battery packs is gradually increasing.
- Various battery packs including household battery packs, include a plurality of battery cells (secondary batteries) to increase capacity and/or output.
- battery cells secondary batteries
- a plurality of battery cells are often arranged in a dense state in a very narrow space.
- one of the typically important issues is safety.
- a flame or venting gas may be ejected from the corresponding battery cell. Propagation to the cells may cause thermal runaway of the other battery cells. Therefore, if heat propagation between battery cells is not suppressed at an early stage, all battery cells included in the battery pack may thermally run away, leading to ignition or explosion of the entire battery pack, which may cause great human and material damage. .
- a fire or explosion when a fire or explosion occurs, it may harm the safety of people living in the house, and it may spread to the house fire, which may be more problematic.
- the present invention has been devised to solve the above problems, and an object of the present invention is to provide a battery pack to which a fire extinguishing tank is applied so that a thermal event generated inside the battery pack can be quickly controlled.
- the present invention can prevent venting gas from propagating from a battery module in which a thermal event has occurred among a plurality of battery modules to a battery module in which no thermal event has occurred, and a fire extinguishing agent can be intensively injected only in the battery module in which the thermal event has occurred. It is an object of the present invention to provide a battery pack configured to be.
- a battery pack according to the present invention includes a plurality of battery modules, side surfaces of a module case accommodating battery cells face each other, each having a watering hole in the upper surface of the module case; and a fire extinguishing tank configured to hold a fire extinguishing agent and supply the fire extinguishing agent only to a battery module in which a thermal event has occurred among the plurality of battery modules through the injection hole disposed on top of the plurality of battery modules and provided to different battery modules.
- unit may include.
- the upper portion of the plurality of battery modules may be seated on top of the plurality of battery modules and contacted with the sealing members so that the top portions of the plurality of battery modules are individually sealed.
- the plurality of battery modules may be two battery modules, and the two battery modules may be configured to receive a fire extinguishing agent from the fire extinguishing tank unit through respective water injection holes.
- Each of the sealing members is made of a fire-resistant material and may be disposed along a circumference of an upper surface portion of the module case in a closed-loop form.
- the sealing member may be formed of any one of silicone rubber, graphite expandable foam, metal gasket, and non-asbestos gasket.
- a side surface of the module case may have a heat dissipation sheet on its back surface.
- the module case may include a middle case provided in a hollow structure to have an inner space capable of accommodating the battery cells; a bottom plate coupled to the lower end of the middle case; and a top plate having the water injection hole and coupled to an upper end of the middle case.
- a module connect bottom cover provided to integrally support and fix lower portions of the plurality of battery modules, and each of the plurality of battery modules may be provided so that the bottom plate is fixedly coupled to an upper portion of the module connect bottom cover.
- the fire extinguishing tank unit reacts to gas or flame ejected from each battery module towards the fire extinguishing tank unit, and the fire extinguishing agent is applied only to the battery module from which gas is ejected from among the plurality of battery modules through the water injection hole of each battery module.
- the fire extinguishing tank unit reacts to gas or flame ejected from each battery module towards the fire extinguishing tank unit, and the fire extinguishing agent is applied only to the battery module from which gas is ejected from among the plurality of battery modules through the water injection hole of each battery module. may be configured to be selectively supplied.
- the fire extinguishing tank unit may include a tank body provided to accommodate the fire extinguishing agent; and a plurality of discharge members, one side of which is coupled in communication with the inside of the tank body and the other side of which protrudes from the lower portion of the tank body, wherein the discharge members are positioned to face the pouring holes of the plurality of battery modules, respectively, and have a high temperature to be damaged by impact so that the fire extinguishing agent of the tank body can be discharged.
- the discharge member may include any one of a glass bulb, plastic, and vinyl material.
- the fire extinguishing agent may include at least one of antifreeze, salt water, water, and insulating oil.
- a control module disposed above the fire extinguishing tank unit and controlling charging and discharging of battery cells of the plurality of battery modules may be further included.
- the fire extinguishing tank unit may include a connection member so that the control module and the plurality of battery modules are electrically connected when the control module is seated thereon.
- an energy storage system including the above-described battery pack may be provided.
- a battery pack with improved safety may be provided.
- the thermal event can be quickly controlled.
- the temperature of the corresponding battery cells can be rapidly lowered by injecting a fire extinguishing agent.
- a glass bulb (of a fire extinguishing tank) corresponding to a side in which a thermal event occurs can only be broken, allowing the extinguishing agent to be supplied only to the battery module where the thermal event occurred.
- a fire extinguishing agent in a liquid state having a freezing point lower than that of water is injected as a fire extinguishing agent, so that the fire can be immediately extinguished.
- the fire extinguishing liquid does not easily freeze even when exposed to temperatures below zero for a long time, it is possible to install and use the battery pack outdoors.
- FIG. 1 is an exploded perspective view schematically illustrating the configuration of a battery pack according to a first embodiment of the present invention.
- FIG. 2 is a perspective view schematically showing the configuration of a battery pack according to a second embodiment of the present invention.
- FIG. 3 is a partially exploded perspective view of the battery pack of FIG. 2 .
- FIG. 4 is a schematic bottom perspective view of the control module of FIG. 3;
- FIG. 5 is a partially exploded perspective view of the battery modules of FIG. 3 .
- FIG. 6 is a view showing the inner surface of the case cover of the middle case shown in FIG. 5 .
- FIG. 7 is a perspective view schematically showing a lower portion of a tank body according to a second embodiment of the present invention.
- FIG. 8 is a perspective view showing a tank bottom bracket coupled to the tank body of FIG. 7;
- FIG. 9 is a perspective view illustrating a combination of a tank outer case with the configuration of FIG. 8 .
- FIG. 10 is a partially cut-away perspective view schematically showing a configuration in which a fire extinguishing agent can be injected into a plurality of battery modules by the fire extinguishing tank unit of FIG. 9 .
- FIG. 11 is a view showing a sealing member applied to the upper surface of each battery module according to the second embodiment of the present invention.
- FIG. 12 is a diagram schematically illustrating a sealing structure between a plurality of battery modules and a fire extinguishing tank unit according to a second embodiment of the present invention.
- FIG. 13 is an enlarged view of area W of FIG. 11 .
- FIG. 1 is an exploded perspective view schematically illustrating the configuration of a battery pack according to a first embodiment of the present invention.
- a battery pack according to the present invention includes a battery module 100 and a fire extinguishing tank unit 200.
- the battery module 100 may include one or more battery cells.
- each battery cell may mean a secondary battery.
- a secondary battery may include an electrode assembly, an electrolyte, and a battery case.
- the secondary battery may be externally manufactured in the form of a pouch-type secondary battery, a cylindrical secondary battery, or a prismatic battery.
- the battery module 100 may include a battery cell and a module case 110 for accommodating the battery cell.
- the module case 110 may have an empty space therein so that a plurality of battery cells may be accommodated in the empty space.
- the module case 110 may have water injection holes G1 and G2 provided in an open form at least a part of the upper surface thereof.
- the module case 110 may be configured to allow fluid to move from the pouring holes G1 and G2 to an inner space where battery cells are located.
- the fire extinguishing tank unit 200 may hold fire extinguishing agent.
- the fire extinguishing agent various substances capable of suppressing or suppressing fire or lowering the temperature may be employed.
- the fire extinguishing tank unit 200 may be disposed above the battery module 100.
- the fire extinguishing tank unit 200 may be configured such that the fire extinguishing agent is supplied to the inside of the battery module 100 through the pouring holes G1 and G2 provided on the upper surface of the module case 110.
- a thermal event of the battery module 100 can be quickly controlled by the fire extinguishing tank located above the battery module 100 . That is, according to the embodiment, the fire extinguishing agent is discharged by the fire extinguishing tank unit 200 and introduced into the battery module 100, so that the battery cell in which the event occurs is cooled or the fire occurring inside the battery module 100 is quickly extinguished. It can be. Therefore, a battery pack with improved safety, such as blocking heat propagation between battery cells or preventing fire spread, can be provided.
- the fire extinguishing tank unit 200 may be configured such that the fire extinguishing agent freely falls toward the battery module 100 by the venting gas.
- the fire extinguishing tank unit 200 includes a tank body 210 having a storage space capable of accommodating the fire extinguishing agent, and a fire extinguishing agent from the inside of the tank body 210 to the outside.
- a discharge member 220 serving as a passage through which may be discharged may be configured to be provided below the tank body 210 .
- the discharge member 220 may have a discharge port 221 and, for example, the discharge port 221 may be opened when the discharge port 221 is normally blocked but is damaged by heat or pressure. As another example, the discharge member 220 may be provided so that the discharge port 221 is opened when gas is sensed.
- the venting gas when venting gas is generated inside the battery module 100, the venting gas is directed toward the fire extinguishing tank unit 200 through the water injection holes G1 and G2 of the module case 110. At this time, the discharge port is opened in the fire extinguishing tank unit 200 so that the fire extinguishing agent is discharged, but as shown in the direction of the arrow in FIG. ) can be put in.
- the fire extinguishing tank unit 200 may hold liquid fire extinguishing agent.
- the free fall configuration of the fire extinguishing agent that is, the fire extinguishing fluid can be easily implemented, and the fire extinguishing fluid can quickly and smoothly flow into the battery module 100, especially to the lower part of the module case 110.
- the fire extinguishing fluid may include at least one of antifreeze, salt water, water, and insulating oil.
- the extinguishing fluid included in the battery pack according to the present embodiment may be antifreeze or salt water. Since this fire extinguishing fluid does not freeze even in an environment where the temperature is below freezing, it can be used for fire suppression, and also, since the volume change does not occur, the appearance of the fire extinguishing tank unit 200 may not be changed. Accordingly, the battery pack according to the exemplary embodiment of the present invention may be installed outdoors and self-extinguish even if a thermal event occurs inside the battery pack in a state where the external temperature drops below freezing.
- FIG. 2 is a perspective view schematically illustrating the configuration of a battery pack according to a second embodiment of the present invention
- FIG. 3 is a partially exploded perspective view of the battery pack of FIG. 2 .
- the battery pack according to the present invention may further include a control module 300 disposed above the fire extinguishing tank unit 200.
- the control module 300 may control the overall operation of the battery pack.
- the control module 300 may be electrically connected to the battery module 100 and may be configured to control a charging operation or a discharging operation of the battery module 100 .
- the control module 300 may be configured to measure, calculate, receive, or control various electrical, physical, and chemical characteristics of the battery module 100, a battery cell included therein, or its surrounding environment.
- the control module 300 may measure, calculate, or control voltage, current, temperature, state of charge (SOC), state of health (SOH), internal resistance, etc. of the battery cell or battery module 100.
- SOC state of charge
- SOH state of health
- the control module 300 may receive operating power from the battery module 100 to manage the battery module 100 .
- the control module 300 may exchange various data with the battery module 100 or other external devices through a wired or wireless communication network.
- the control module 300 may include various electric components such as a battery management system (BMS), a relay, and a current sensor.
- BMS battery management system
- the control module 300 may include a control housing for accommodating such electrical components.
- control module 300 may include a pack terminal. These pack terminals may be configured to be connected to a battery pack and an external charging or discharging device.
- the pack terminal may include an outlet, a plug, or a connector to be connected to commercial power or a load.
- control module 300 may include a power path for exchanging charging power and discharging power with the battery module 100 . This power path may function as a path for exchanging charging and discharging power between the pack terminal and the battery module 100 .
- the battery module 100 may be provided with a module connector E1 for electrical connection at the top, as indicated by E1 in FIG. 3, and the control module 300, indicated by E2 in FIG.
- a control connector E2 for electrical connection may be provided at the bottom.
- the fire extinguishing tank unit 200 may include a connecting member.
- the connecting member is a component electrically connecting the plurality of battery modules 100 and the control module 300 to each other.
- the connection member may be interposed between the module connector E1 provided in the battery modules 100 and the control connector E2 provided in the control module 300 to connect them.
- connection member may be provided in the fire extinguishing tank unit 200 in the form of a cable extending long in one direction so that power or electrical signals can move.
- the connecting member may include a cable EC (see FIG. 9 ) and tank connectors E31 and E32 provided at both ends of the cable EC.
- the connecting member has a first tank connector E32 disposed on top of the fire extinguishing tank unit 200, and the first tank connector E32 is plug-in with the control connector E2. It can be configured to be connected in a way.
- connection member is provided with a second tank connector (E31) disposed at the lower end of the fire extinguishing tank unit 200, and the second tank connector (E31) is configured to be connected to the module connector (E1) in a plug-in manner.
- control module 300 can be electrically connected to the battery module 100 only by being seated on top of the fire extinguishing tank unit 200.
- the battery pack may include a plurality of battery modules 100 .
- the plurality of battery modules 100 may include a first battery module M1 and a second battery module M2 as shown in FIGS. 3 and 5 .
- the side surfaces of the first battery module M1 and the second battery module M2 are disposed to face each other, and each may be configured to have water injection holes G1 and G2 on the upper surface of the module case 110 .
- the fire extinguishing tank unit 200 is disposed on the top of these two battery modules 100, and the fire extinguishing tank unit 200 has a watering hole (G1) of each of the first battery module (M1) and the second battery module (M2). , G2) may be configured so that the fire extinguishing agent can be individually injected into the first battery module M1 and the second battery module M2.
- each of the two battery modules 100 includes battery cells and a module case 110 capable of accommodating the battery cells, as shown in FIG. 5 .
- the module case 110 includes a middle case 111 provided in a hollow structure to have an internal space capable of accommodating the battery cells, a bottom plate 113 coupled to a lower end of the middle case 111, and the A top plate 112 having water injection holes G1 and G2 and coupled to an upper end of the middle case 111 may be included.
- the top plate 112 may be referred to as a component corresponding to the upper surface of the module case 110 described above.
- the middle case 111 may be provided by combining at least two or more plates so that battery cells and other components can be easily accommodated or assembled in an internal space.
- the middle case 111 covers a case body 111a with one side portion open, and as shown in FIG. 5, covers one side portion of the case body 111a and the case body 111a It may include a case cover plate 111b provided to be coupled to and disengaged from the main body 111a.
- the case cover plate 111b of the first battery module M1 and the case cover plate 111b of the second battery module M2 of the two battery modules 100 may face each other.
- the heat dissipation sheet (111c) can be attached to the back surface, that is, the inner surface of the case cover plate (111b).
- the inner surface of the case cover plate 111b refers to a surface facing the inside of the module case 110 .
- a mica sheet having excellent heat resistance may be used as the heat dissipation sheet 111c.
- case body 111a and the case cover plate 111b may be coupled by bolt fastening, and at this time, to prevent damage to the bolt fastening portion of the case body 111a and the case cover plate 111b and to secure confidentiality.
- a bolt fastening portion for example, airtight pads 111d may be attached to both edge lines of the case cover plate 111b as shown in FIG. 6 .
- flame retardant airtight pad 111d for example, flame retardant EPDM rubber (Ethylene Propylene Diene Monomer rubber) may be employed.
- the two battery modules 100 may be provided with a heat dissipation sheet 111c and an airtight pad 111d on the inner surface of the side surface of the module case 110 facing each other. Therefore, for example, when a thermal event occurs in the battery cells included in the first battery module M1, the heat dissipation sheet 111c of the first battery module M1 prevents heat from propagating to the second battery module M2. can block In addition, an airtight pad 111d is applied to the bolt fastening portion of the case body 111a and the case cover plate 111b of the first battery module M1, so that venting gas or flame is blown out through the bolt fastening portion. can make it not happen.
- the battery pack may include a module connect bottom cover 120 provided to integrally support and fix lower portions of the plurality of battery modules 100 .
- each bottom plate 113 of the two battery modules 100 may be configured to be fixedly coupled to an upper portion of the module connect bottom cover 120 .
- each bottom plate 113 of the two battery modules 100 may be configured to be fixedly coupled to the top of the module connect bottom cover 120 by bolt fastening and snap-fit fastening methods.
- the fire extinguishing tank unit 200 reacts to the gas or flame ejected from each of the battery modules 100 toward the fire extinguishing tank unit 200, and the water injection hole of each battery module 100 (
- the fire extinguishing agent may be selectively supplied only to the battery module 100 from which gas or flame is ejected among the plurality of battery modules 100 through G1 and G2.
- the fire extinguishing tank unit 200 may include a tank body 210, a plurality of discharge members 220, and a tank case 230.
- the tank body 210 has a storage space capable of accommodating the fire extinguishing agent, and may be provided in the form of a box having a certain level of airtightness so that the liquid fire extinguishing agent, that is, the extinguishing liquid, is not injected into the battery module 100 side. there is.
- the tank body 210 may be prepared to have airtight performance of IP grade 55 or higher.
- the tank body 210 may have a fire extinguishing agent inlet 210a so that the fire extinguishing agent can be replenished.
- the fire extinguishing agent injection hole 210a may be provided on the upper surface and/or the side surface of the tank body 210 .
- the plurality of discharge members 220 are means for injecting the fire extinguishing agent of the tank body 210 toward the battery module 100, and one side is connected to the inside of the tank body 210 in communication with the other side. It may protrude from the bottom of the tank body 210 .
- a protruding connection port may be provided at the bottom of the tank body 210, as indicated by K in FIG. 7, and a screw thread may be provided on the outer periphery of the connection port.
- the discharge member 220 may be provided to be screwed into and released from the connection port.
- the discharge member 220 is provided with a discharge port 221 and, for example, the discharge port 221 is normally blocked, but is damaged by heat or pressure so that the discharge port 221 is opened.
- a glass bulb 222 may be installed in the outlet.
- the glass bulb 222 may be configured to be damaged by high temperature or impact.
- the discharge port of the discharge member 220 is opened so that the fire extinguishing agent inside the tank body 210 may flow out of the tank body 210 .
- a plastic or vinyl material that can be melted by high temperature may be applied.
- the discharge members 220 When the fire extinguishing tank unit 200 is seated on top of the battery modules 100, the discharge members 220 may be inserted into at least one of the pouring holes G1 and G2 of the battery modules 100.
- the fire extinguishing tank unit 200 may be configured such that one of the discharge members 220 may be inserted into each of the water injection holes G1 and G2 of the battery modules 100 shown in FIG. 3 .
- the discharge member 220 may be provided to correspond to each of the different battery modules 100 .
- the upper The fire extinguishing tank unit 200 may also include a first discharge member B1 and a second discharge member B2.
- the first discharge member B1 is disposed above the first battery module M1 to correspond to the first battery module M1
- the second discharge member B2 is disposed on the second battery module M2. It may be disposed above the second battery module M2 to correspond to .
- the first discharge member B1 when a thermal event occurs in the first battery module M1, the first discharge member B1 may be damaged by venting gas or the like. Then, the fire extinguishing agent inside the tank body 210 may be discharged from the first discharge member B1. Therefore, as indicated by arrow C1 in FIG. 10 , the fire extinguishing agent may be injected only into the first battery module M1 through the first discharge member B1 and not into the second battery module M2.
- the second discharge member B2 may be damaged by venting gas or the like. Then, the fire extinguishing agent inside the tank body 210 may be discharged from the second discharge member B2. Therefore, as indicated by the arrow C2 in FIG. 10 , the fire extinguishing agent may be injected only into the second battery module M2 through the second discharge member B2, and the fire extinguishing agent may not be injected into the first battery module M1.
- the tank case 230 is a component for protecting the tank body 210 from the outside and more stably coupling the tank body 210 to the upper portions of the plurality of battery modules 100 .
- the tank case 230 may include a tank bottom bracket 231 and an outer case 232 .
- the tank bottom bracket 231 is provided in a form bent at right angles with respect to a support portion 231a supporting the lower portion of the tank body 210 and the support portion 231a, and a battery module. It may include a guide part (231b) serving as a guide for assembly with (100). In addition, the tank bottom bracket 231 may be made of a material having high rigidity and excellent heat resistance.
- the support portion 231a may include holes for the discharge member 220 through which the discharge members 220 may pass and a connector installation hole for exposing the aforementioned tank connector in a downward direction.
- the support portion 231a may have a flat surface as a whole, but may have recessed areas based on the flat surface, as indicated by R1 and R2 in FIG. 8 .
- the first discharge members 220 may be installed in the recessed first region indicated by R1, and the second discharge members 220 may be installed in the second region indicated by R2.
- a surface of the support part 231a excluding the first area and the second area may be provided to be flat.
- a surface of the support portion 231a in contact with the sealing member 130 to be described later may be provided flat without a step.
- the outer case 232 is configured to surround the outer surface of the tank body 210 and the tank bottom bracket 231 assembled as shown in FIG. 8 along the circumferential direction of the tank body 210 as shown in FIG. 9 It can be.
- a separation space S may be provided between the outer case 232 and at least one outer surface of the tank body 210 .
- the tank body 210 has a recessed portion 210b recessed in an inward direction with respect to the tank body 210 on an outer surface along the left and right directions, so that the recessed portion ( A separation space S1 may be provided between 210b) and the inner wall surface of the outer case 232 .
- the above-described cable EC of the connection member may be disposed in the separation space S1.
- the outer case 232 includes a detachable plate 233 covering one side of the tank body 210 where the fire extinguishing agent injection port 210a is located.
- the detachable plate 233 may be detachable from the main body of the outer case 232 to shield the separation space.
- the detachable plate 233 may have a case hole (not shown) at a position corresponding to the fire extinguishing agent inlet 210a, and the case hole may be configured to be sealed with the inlet stopper 240.
- FIG. 11 is a view showing a sealing member 130 applied to the upper surface of each battery module 100 according to the second embodiment of the present invention
- FIG. 12 is a sealing structure of a battery pack according to the second embodiment of the present invention.
- FIG. 13 is an enlarged view of the W region of FIG. 12 .
- each of the battery modules 100 surrounds the watering holes G1 and G2 of each battery module 100 and protrudes beyond the watering holes G1 and G2.
- Sealing members 130 disposed on the upper surface of the module case 110 may be included.
- the fire extinguishing tank unit 200 directs the venting gas only to the second discharge member 220 and not to the first discharge member 220.
- the upper portions of the plurality of battery modules 100 may be individually sealed by being seated on the top of the module 100 and contacting the sealing members 130 .
- the sealing property of the upper surface of each battery module 100 can be further strengthened. Therefore, for example, as described above, when the venting gas is discharged from the second battery module M2, the venting gas ejected from the second pouring hole G2 is directed to the first discharge member B1 by the sealing member 130. Since it is prevented from moving more reliably, the glass bulb 222 of the first discharge member B1 is not damaged and only the second discharge member B2 is damaged, and accordingly, the extinguishing liquid is injected only into the second battery module M2, It may not be input into the first battery module M1.
- the sealing member 130 is disposed along the entire circumference of the upper surface portion of each battery module 100, and the sealing member 130 is the fire extinguishing tank unit 200 It may be configured to contact the lower part of.
- the sealing member 130 is a material having excellent sealing performance and fire resistance performance, and may be implemented with, for example, silicone rubber, graphite expandable foam, a metal gasket, a non-asbestos gasket, and the like.
- the sealing member 130 is disposed along the edge of the upper surface of the module case 110 of the first battery module M1 in a closed-loop form. (A)) and the second sealing member 130 (B) disposed along the circumference of the upper surface portion of the second battery module M2.
- the fire extinguishing tank unit 200 has its lower surface in close contact with the first sealing member 130 (A) and the second sealing member 130 (B), and the upper surface of the first battery module M1 and the It may be configured to cover the upper surface of the second battery module M2.
- the fire extinguishing tank unit 200 includes a tank bottom bracket 231, and the support portion 231a of the tank bottom bracket 231 is the first region indicated by R1 and R2 in FIG. 8, respectively.
- the outer surface between the and the second area is provided flat, so that the first sealing member 130 and the second sealing member 130 can be closely contacted.
- the fire extinguishing tank unit 200 and the control module 300 are simultaneously disposed above the battery modules 100, the first sealing member 130 (A) and the second sealing member 130 (B) are It can be more closely contacted and pressed by the fire extinguishing tank unit 200. Therefore, when the fire extinguishing tank unit 200 is coupled to the upper portions of the battery modules 100, the upper surfaces of the first battery module M1 and the upper surfaces of the second battery module M2 may be individually sealed.
- the venting gas when the venting gas is ejected from the first battery module M1 through the injection hole G1, the ejected venting gas is emitted from the upper surface of the first battery module M1 to the first battery module M1. Movement to the outside may be blocked by the first sealing member 130 (A). Moreover, the side surfaces of the first battery module M1 and the second battery module M2 are disposed to face each other. In this case, as shown in FIGS. 12 and 13, the first sealing member 130 (A) and the second sealing member 130 (B) are doubly continuous, so that the venting gas is released from the first battery module M1. ) becomes more difficult to move from the upper surface of the second battery module M2 to come into contact with the second discharge member 220 .
- the venting gas does not transfer from the first battery module M1 to the second battery module M2.
- the first discharge member 220 is more affected by the venting gas and can be damaged more quickly.
- the first discharge member 220 reacts quickly to the venting gas and is damaged, so that the fire extinguishing agent inside the tank body 210 can be quickly discharged.
- the fire extinguishing agent can be intensively supplied to the battery module 100 in which a thermal event has occurred, cooling or fire suppression performance of the battery module 100 in which a thermal event has occurred can be ensured more reliably.
- the fire extinguishing agent is not injected into the normal battery module 100, so that the battery module 100 can be continuously used.
- the energy storage system according to the present invention includes one or more battery packs according to the present invention described above.
- the energy storage system according to the present invention may further include general components included in the energy storage system in addition to the battery pack.
- the energy storage system according to the present invention may be a housing (building) energy storage system used to store energy in houses or buildings.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Battery Mounting, Suspending (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
Description
Claims (15)
- 배터리 셀들이 수용된 모듈 케이스의 측면부가 서로 대면하게 배치되고, 각각 상기 모듈 케이스의 상면부에 주수 구멍을 구비한 복수 개의 배터리 모듈; 및소화제를 보유하며 상기 복수 개의 배터리 모듈의 상부에 배치되고 서로 다른 상기 배터리 모듈에 구비되는 상기 주수 구멍을 통해 상기 복수 개의 배터리 모듈들 중 열적 이벤트가 발생한 배터리 모듈에만 소화제를 공급할 수 있게 구성된 소화 탱크유닛;을 포함하는 배터리 팩.
- 제1항에 있어서,각 상기 배터리 모듈에 설치되고, 각 상기 배터리 모듈의 상기 주수 구멍의 둘레를 에워싸고 상기 주수 구멍보다 돌출되게 상기 모듈 케이스의 상면부에 배치된 실링부재들;를 포함하고,상기 소화 탱크유닛이 상기 복수 개의 배터리 모듈의 상부에 안착되고 상기 실링부재들과 접촉하여 상기 복수 개의 배터리 모듈의 상부가 개별적으로 밀폐되게 구성된 것을 특징으로 하는 배터리 팩.
- 제1항에 있어서,상기 복수 개의 배터리 모듈은 2개의 배터리 모듈이고,상기 2개의 배터리 모듈은 각각의 상기 주수 구멍을 통해 상기 소화 탱크유닛으로부터 소화제를 공급 받을 수 있게 구성된 것을 특징으로 하는 배터리 팩.
- 제2항에 있어서,각 상기 실링부재는, 내화성 재질로 마련되고 폐루프(closed-loop)형태로 상기 모듈 케이스의 상면부 가장자리 둘레를 따라 배치된 것을 특징으로 하는 배터리 팩.
- 제2항에 있어서,상기 실링부재는실리콘 고무, 그라파이트 팽창성 발포체, 메탈 가스켓, 비석면 가스켓 중 어느 하나로 구성된 것을 특징으로 하는 배터리 팩.
- 제1항에 있어서,서로 대면하는 상기 모듈 케이스의 측면부는 그 이면에 방열 시트를 구비한 것을 특징으로 하는 배터리 팩.
- 제1항에 있어서,상기 모듈 케이스는,상기 배터리 셀을 수용할 수 있는 내부 공간을 갖도록 중공 구조로 마련된 미들 케이스;상기 미들 케이스의 하단부에 결합되는 바틈 플레이트; 및상기 주수 구멍을 구비하고 상기 미들 케이스의 상단부에 결합되는 탑 플레이트를 포함하는 것을 특징으로 하는 배터리 팩.
- 제7항에 있어서,상기 복수 개의 배터리 모듈의 하부를 일체로 지지 및 고정하도록 마련된 모듈 커넥트 바틈커버를 포함하고,상기 복수 개의 배터리 모듈은 각각의 상기 바틈 플레이트가 상기 모듈 커넥트 바틈커버의 상부에 고정 결합되게 마련된 것을 특징으로 하는 배터리 팩.
- 제1항에 있어서,상기 소화 탱크유닛은,각 상기 배터리 모듈에서 상기 소화 탱크유닛을 향해 분출되는 가스에 반응하여, 각 상기 배터리 모듈의 상기 주수 구멍을 통해 상기 복수 개의 배터리 모듈 중 가스가 분출된 배터리 모듈에만 소화제가 선택적으로 공급되도록 구성된 것을 특징으로 하는 배터리 팩.
- 제1항에 있어서,상기 소화 탱크유닛은, 상기 소화제를 수용할 수 있게 마련된 탱크 본체; 및 일측은 상기 탱크 본체의 내부와 연통하게 결합되고 타측은 상기 탱크 본체의 하부로 돌출된 복수 개의 토출 부재들을 포함하고,상기 토출 부재들은 각각 상기 복수 개의 배터리 모듈의 주수 구멍들과 마주하게 위치하고 고온 내지 충격에 의해 파손되어 상기 탱크 본체의 소화제가 토출 가능하게 구성된 것을 특징으로 하는 배터리 팩.
- 제10항에 있어서,상기 토출 부재는, 유리 벌브, 플라스틱 및 비닐 재질 중 어느 하나를 포함하는 것을 특징으로 하는 배터리 팩.
- 제1항에 있어서,상기 소화제는 부동액, 소금물, 물 및 절연유 중 적어도 하나를 포함하는 것을 특징으로 하는 배터리 팩.
- 제1항에 있어서,상기 소화 탱크유닛의 상부에 배치되고 상기 복수 개의 배터리 모듈의 배터리 셀들에 대한 충방전을 제어하는 제어 모듈을 더 포함하는 것을 특징으로 하는 배터리 팩.
- 제13항에 있어서,상기 소화 탱크유닛은, 상기 제어 모듈을 상부에 안착한 때, 상기 제어 모듈과 상기 복수 개의 배터리 모듈이 전기적으로 연결되도록 연결 부재를 구비하는 것을 특징으로 하는 배터리 팩.
- 제1항 내지 제14항 중 어느 한 항에 따른 배터리 팩을 포함하는 것을 특징으로 하는 에너지 저장 시스템.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP22911709.8A EP4336650A1 (en) | 2021-12-23 | 2022-12-08 | Battery pack with fire-fighting water storage tank |
AU2022418233A AU2022418233A1 (en) | 2021-12-23 | 2022-12-08 | Battery pack including fire extinguishing water storage tank |
CN202280040205.5A CN117426016A (zh) | 2021-12-23 | 2022-12-08 | 具有灭火水存储罐的电池组 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20210185729 | 2021-12-23 | ||
KR10-2021-0185729 | 2021-12-23 | ||
KR1020220147326A KR20230096832A (ko) | 2021-12-23 | 2022-11-07 | 소화수 저장 탱크를 구비한 배터리 팩 |
KR10-2022-0147326 | 2022-11-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2023121076A1 true WO2023121076A1 (ko) | 2023-06-29 |
Family
ID=86903243
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2022/019986 WO2023121076A1 (ko) | 2021-12-23 | 2022-12-08 | 소화수 저장 탱크를 구비한 배터리 팩 |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP4336650A1 (ko) |
AU (1) | AU2022418233A1 (ko) |
WO (1) | WO2023121076A1 (ko) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012252909A (ja) * | 2011-06-03 | 2012-12-20 | Toyota Motor Corp | 電池パック |
KR20170019041A (ko) * | 2015-08-11 | 2017-02-21 | 주식회사 엘지화학 | 금속 팩 케이스와 열전도 부재를 포함하는 전지팩 |
KR20170084699A (ko) * | 2016-01-12 | 2017-07-20 | 주식회사 엘지화학 | 단위모듈들에 대한 안정적인 고정 수단을 구비하고 있는 전지모듈 어셈블리 |
JP2018536273A (ja) * | 2015-11-24 | 2018-12-06 | ビーワイディー カンパニー リミテッドByd Company Limited | パワーバッテリパック及びそれを有する電気車両 |
CN112587834A (zh) * | 2020-11-26 | 2021-04-02 | 国网电力科学研究院有限公司 | 抑制储能电站火灾***的灭火*** |
KR20220147326A (ko) | 2021-04-27 | 2022-11-03 | 인천대학교 산학협력단 | 연료전지용 고분자 전해질막, 이의 제조 방법, 및 이를 포함하는 연료전지 |
-
2022
- 2022-12-08 EP EP22911709.8A patent/EP4336650A1/en active Pending
- 2022-12-08 AU AU2022418233A patent/AU2022418233A1/en active Pending
- 2022-12-08 WO PCT/KR2022/019986 patent/WO2023121076A1/ko active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012252909A (ja) * | 2011-06-03 | 2012-12-20 | Toyota Motor Corp | 電池パック |
KR20170019041A (ko) * | 2015-08-11 | 2017-02-21 | 주식회사 엘지화학 | 금속 팩 케이스와 열전도 부재를 포함하는 전지팩 |
JP2018536273A (ja) * | 2015-11-24 | 2018-12-06 | ビーワイディー カンパニー リミテッドByd Company Limited | パワーバッテリパック及びそれを有する電気車両 |
KR20170084699A (ko) * | 2016-01-12 | 2017-07-20 | 주식회사 엘지화학 | 단위모듈들에 대한 안정적인 고정 수단을 구비하고 있는 전지모듈 어셈블리 |
CN112587834A (zh) * | 2020-11-26 | 2021-04-02 | 国网电力科学研究院有限公司 | 抑制储能电站火灾***的灭火*** |
KR20220147326A (ko) | 2021-04-27 | 2022-11-03 | 인천대학교 산학협력단 | 연료전지용 고분자 전해질막, 이의 제조 방법, 및 이를 포함하는 연료전지 |
Also Published As
Publication number | Publication date |
---|---|
EP4336650A1 (en) | 2024-03-13 |
AU2022418233A1 (en) | 2023-12-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2021002626A1 (ko) | 배터리 모듈, 이를 포함하는 배터리 랙 및 전력 저장 장치 | |
WO2018105878A1 (en) | Battery system | |
WO2022031056A1 (ko) | 배터리 모듈, 그것을 포함하는 배터리 팩, 및 자동차 | |
WO2021230528A1 (ko) | 화재 진압 수단을 포함하는 배터리 팩 | |
WO2021091328A1 (ko) | 배터리 랙 및 이를 포함하는 전력 저장 장치 | |
WO2021172785A1 (ko) | 배터리 모듈, 및 그것을 포함하는 배터리 랙, 및 전력 저장 장치 | |
WO2014003373A1 (ko) | 이차 전지용 배터리 모듈 | |
WO2021221478A1 (ko) | 전지팩 및 이를 포함하는 디바이스 | |
WO2019245128A1 (ko) | 배터리 모듈, 이러한 배터리 모듈을 포함하는 배터리 팩 및 이러한 배터리 팩을 포함하는 자동차 | |
WO2023121076A1 (ko) | 소화수 저장 탱크를 구비한 배터리 팩 | |
WO2022250287A1 (ko) | 전지 모듈 및 이를 포함하는 전지팩 | |
WO2022169247A2 (ko) | 셀 단위 가스계 소화약제 가이드 날개를 적용한 배터리 모듈 및 이를 포함하는 배터리 랙과 에너지 저장장치 | |
WO2023128401A1 (ko) | 배터리 팩 및 이를 포함하는 에너지 저장 시스템 | |
WO2023075524A1 (ko) | 안전성이 향상된 배터리 팩 | |
WO2023128382A1 (ko) | 소화수 저장 탱크를 구비한 배터리 팩 | |
KR20230096832A (ko) | 소화수 저장 탱크를 구비한 배터리 팩 | |
WO2023121419A1 (ko) | 안전성이 향상된 배터리 팩 | |
WO2024019390A1 (ko) | 배터리 모듈 및, 이를 포함하는 배터리 팩 및 이를 포함하는 자동차 | |
WO2023038435A1 (ko) | 배터리 모듈, 배터리 팩 및 이를 포함하는 자동차 | |
WO2022270732A1 (ko) | 전지 모듈 및 이를 포함하는 전지팩 | |
WO2023121260A1 (ko) | 안전성이 향상된 배터리 팩 | |
WO2023128462A1 (ko) | 배터리 팩, 이러한 배터리 팩을 포함하는 에너지 저장 장치 및 자동차 | |
WO2024005581A1 (ko) | 배터리 모듈, 배터리 팩 및 이를 포함하는 자동차 | |
WO2022240270A1 (ko) | 전지 모듈 및 이를 포함하는 전지팩 | |
WO2024063485A1 (ko) | 배터리 팩 및 이를 포함하는 전력 저장 장치 |
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: 22911709 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2022911709 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 202280040205.5 Country of ref document: CN |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2022418233 Country of ref document: AU Ref document number: AU2022418233 Country of ref document: AU |
|
ENP | Entry into the national phase |
Ref document number: 2022911709 Country of ref document: EP Effective date: 20231204 |
|
ENP | Entry into the national phase |
Ref document number: 2022418233 Country of ref document: AU Date of ref document: 20221208 Kind code of ref document: A |
|
ENP | Entry into the national phase |
Ref document number: 2024504550 Country of ref document: JP Kind code of ref document: A |