WO2023282711A1 - 안전성이 강화된 배터리 모듈 및 배터리 팩 - Google Patents
안전성이 강화된 배터리 모듈 및 배터리 팩 Download PDFInfo
- Publication number
- WO2023282711A1 WO2023282711A1 PCT/KR2022/009996 KR2022009996W WO2023282711A1 WO 2023282711 A1 WO2023282711 A1 WO 2023282711A1 KR 2022009996 W KR2022009996 W KR 2022009996W WO 2023282711 A1 WO2023282711 A1 WO 2023282711A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- venting
- protrusion
- battery
- module case
- module
- Prior art date
Links
- 238000013022 venting Methods 0.000 claims abstract description 317
- 239000000853 adhesive Substances 0.000 claims description 24
- 230000001070 adhesive effect Effects 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 19
- 239000007789 gas Substances 0.000 description 97
- 230000000694 effects Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 150000001247 metal acetylides Chemical class 0.000 description 7
- 239000011148 porous material Substances 0.000 description 6
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 5
- 238000001816 cooling Methods 0.000 description 5
- 229910052744 lithium Inorganic materials 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000007773 negative electrode material Substances 0.000 description 2
- 239000007774 positive electrode material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 239000002390 adhesive tape Substances 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
- 230000002457 bidirectional 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
- 230000008859 change Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen 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
- 230000001151 other effect Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- 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
- H01M10/6566—Means within the gas flow to guide the flow around one or more cells, e.g. manifolds, baffles or other barriers
-
- 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
- H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/30—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
-
- 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
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Definitions
- the present invention relates to a battery, and more particularly, to a battery module and battery pack with enhanced safety, and a vehicle including the same.
- 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.
- a plurality of these secondary batteries may constitute one battery module in a form in which a plurality of them are stored together in a module case in a state in which they are electrically connected.
- a plurality of such battery modules may be connected to form one battery pack.
- a thermal chain reaction between the battery modules may be vulnerable. For example, when an event such as thermal runaway occurs inside one battery module, propagation of the thermal runaway to another battery module needs to be suppressed. If the propagation of thermal runaway between battery modules is not suppressed, an event occurring in a specific battery module may cause a chain reaction in several battery modules, causing an explosion or fire, or increasing the scale of the event.
- gas or flame may be discharged to the outside. At this time, if the discharge of gas or flame is not properly controlled, gas or flame may be discharged toward other battery modules, causing a thermal chain reaction of other battery modules. Moreover, when a thermal event occurs inside the battery module, a large amount of combustible gas and factors that can cause ignition, such as sparks, electrode discharges, and carbides, may occur together. In addition, when these ignition triggers are discharged to the outside during gas discharge, there is a risk of causing a fire by encountering oxygen.
- the present invention has been devised to solve the above problems, and a battery module having an improved structure so that safety can be improved by appropriately controlling discharge of gas or spark when a thermal event occurs inside the battery module, and It is an object of the present invention to provide a battery pack and a vehicle including a battery pack.
- a battery module for achieving the above object includes a cell assembly including one or more battery cells; a module case accommodating the cell assembly in an internal space and having a venting hole through which venting gas generated from the cell assembly can be discharged; and a venting channel provided on the outside of the module case so that the venting gas discharged from the venting hole can flow in and be discharged to the outside, and is configured to protrude from the inside of the venting channel toward the outer surface of the module case. and a venting unit having a protrusion.
- a plurality of protrusions may be disposed along a flow direction of the venting gas.
- venting unit may further include a plate portion formed in a plate shape and having the protrusion on an inner surface thereof, and an rim portion protruding from an edge of the plate portion toward an outer surface of the module case and coupled to the outer surface of the module case. there is.
- the protruding portion may have a width equal to or greater than a width in a direction perpendicular to the flow direction of the venting gas.
- venting unit may be configured in a form in which an empty space is formed inside the protrusion.
- venting unit may be concavely formed in a direction in which an outer surface of a portion where the protrusion is formed faces an outer surface of the module case.
- venting unit may have a protrusion or a groove formed on a surface of the protrusion.
- the venting unit may further include an adhesive member made of an adhesive material and disposed on an inner surface of the venting channel.
- the protruding portion may be configured in a form in which the width increases toward the inner end.
- a battery pack according to another aspect of the present invention for achieving the above object includes a battery module according to the present invention.
- a battery pack according to another aspect of the present invention for achieving the above object includes one or more battery modules; a pack housing accommodating the one or more battery modules in an inner space and having a pack hole; and a protrusion mounted on the pack housing, having a venting channel formed so that the venting gas discharged from the pack hole can be introduced and discharged to the outside, and configured to protrude from the inside of the venting channel toward the outer surface of the pack housing. It includes a venting unit provided.
- a vehicle according to another aspect of the present invention for achieving the above object includes a battery module according to the present invention.
- the discharge path of the venting gas is formed non-linearly, so that gas and heat are quickly discharged, while highly linear sparks, electrode discharges, carbides, etc. are discharged to the outside of the module. can be suppressed.
- the generated flame is suppressed from being discharged to the outside of the battery module, thereby preventing a thermal event from spreading to other battery modules.
- the effect of controlling the venting of the battery module and preventing heat/flame propagation between the battery modules can be implemented.
- the present invention may have various other effects, which will be described in each implementation configuration, or descriptions of effects that can be easily inferred by those skilled in the art will be omitted.
- FIG. 1 is a combined perspective view schematically showing the configuration of a battery module according to an embodiment of the present invention.
- FIG. 2 is an exploded perspective view of some components in FIG. 1 .
- FIG. 3 is a perspective view schematically illustrating a configuration of a venting unit according to an embodiment of the present invention.
- FIG. 4 is a schematic view of a cross-sectional configuration of the venting unit of FIG. 3 attached to a module case as viewed from the front.
- FIG. 5 is an enlarged view illustrating a configuration of a portion in which a protrusion is formed in a venting unit according to an embodiment of the present invention.
- FIG. 6 is a diagram schematically illustrating some configurations of a venting unit according to an embodiment of the present invention.
- FIG. 7 is a diagram schematically illustrating some configurations of a venting unit according to another embodiment of the present invention.
- FIG. 8 is a cross-sectional view of the configuration of the venting unit of FIG. 7 attached to the module case as viewed from above.
- FIG. 9 is an upper cross-sectional view schematically illustrating a configuration of a protrusion according to another embodiment of the present invention.
- FIG. 10 is a front view schematically illustrating some configurations of a venting unit including a protrusion shape according to another embodiment of the present invention.
- FIG. 11 is a view of a cross-sectional shape along the line B1-B1' viewed from above in a state in which the venting unit of FIG. 10 is coupled to the module case.
- FIG. 12 is an upper cross-sectional view schematically showing some configurations in which a venting unit is coupled to a module case according to another embodiment of the present invention.
- FIG. 13 is an upper cross-sectional view schematically showing some configurations in which a venting unit is coupled to a module case according to another embodiment of the present invention.
- FIG. 14 is an upper cross-sectional view schematically showing some configurations in which a venting unit is coupled to a module case according to another embodiment of the present invention.
- 15 and 16 are perspective views schematically illustrating the configuration of a venting unit according to another embodiment of the present invention.
- FIG. 17 is a perspective view schematically illustrating the configuration of a battery module according to another embodiment of the present invention.
- FIG. 18 is a perspective view schematically illustrating the configuration of a battery module according to another embodiment of the present invention.
- FIG. 19 is a diagram schematically illustrating a battery pack according to an embodiment of the present invention as viewed from above.
- FIG. 20 is a view of a battery pack according to another embodiment of the present invention viewed from above.
- FIG. 1 is a combined perspective view schematically illustrating a configuration of a battery module according to an embodiment of the present invention
- FIG. 2 is an exploded perspective view of some components in FIG. 1 .
- the battery module according to the present invention includes a cell assembly 100 , a module case 200 and a venting unit 300 .
- the cell assembly 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 battery cells included in the cell assembly 100 may be pouch-type secondary batteries.
- other types of secondary batteries such as cylindrical batteries or prismatic batteries, may also be employed in the cell assembly 100 of the present invention.
- a plurality of secondary batteries may form the cell assembly 100 in a stacked form.
- a plurality of secondary batteries may be stacked in a state in which each is erected in a vertical direction (z-axis direction in the drawing) and arranged in a horizontal direction (x-axis direction in the drawing).
- Each battery cell may have an electrode lead, and the electrode lead may be located at both ends or at one end of each battery cell.
- a secondary battery with electrode leads protruding in both directions is referred to as a bidirectional cell, and a secondary battery with electrode leads protruding in one direction is referred to as a unidirectional cell.
- the present invention is not limited by the specific type or form of the secondary battery, and various types of secondary batteries known at the time of filing of the present invention may be employed in the cell assembly 100 of the present invention.
- the module case 200 may have an empty space formed therein so as to accommodate the cell assembly 100 in the inner space.
- the module case 200 includes an upper plate, a lower plate, a left plate, a right plate, a front plate, and a back plate, and may be configured to define an internal space.
- at least two or more of the upper plate, the lower plate, the left plate, the right plate, the front plate, and the back plate may be configured in an integrated form.
- the module case 200 may be configured in a monoframe shape having a tubular shape by integrally forming an upper plate, a lower plate, a left plate, and a right plate.
- the front plate and the back plate may be configured in the form of being coupled to the front and rear openings of the monoframe to seal them.
- a venting hole may be formed on at least one side of the module case 200 .
- a venting hole H1 may be formed in each of the left and right plates of the module case 200 .
- the venting hole H1 may be configured such that, when the venting gas is generated and ejected from the cell assembly 100 accommodated in the internal space, the generated venting gas can be discharged to the external space of the module case 200 .
- the venting hole H1 may be formed in a completely open form so as to pass through the module case 200 in an inward and outward direction.
- the venting hole H1 may not be completely opened, but may be configured in a form that is closed in a normal state and can be opened according to a change in pressure or temperature.
- the venting hole H1 may be formed to extend in one direction.
- the venting hole H1 may be formed to elongate in the vertical direction.
- the venting hole H1 may be formed on the side surfaces of the module case 200, particularly the left and right sides.
- such a venting hole H1 may be formed on another part of the module case 200, such as the upper surface, the lower surface, the front surface, and/or the rear surface.
- the configuration of the venting hole H1 formed in the module case 200 may be configured in various other shapes other than these shapes.
- the venting unit 300 may be provided outside the module case 200 .
- the venting unit 300 may be attached to a portion of the module case 200 where the venting hole H1 is formed.
- the venting unit 300 is formed on the left and right sides of the module case 200, respectively. Can be attached externally.
- venting unit 300 may have a venting channel, as indicated by V in FIG. 2 .
- the venting channel V may be configured such that the venting gas discharged from the venting hole H1 of the module case 200 is introduced and discharged to the outside.
- venting unit 300 The configuration of the venting unit 300 will be described in more detail with reference to FIGS. 3 and 4 .
- FIG. 3 is a perspective view schematically showing the configuration of a venting unit 300 according to an embodiment of the present invention
- FIG. 4 is a cross-sectional configuration of the venting unit 300 of FIG. 3 attached to the module case 200.
- This is a schematic drawing of the form viewed from the front.
- the venting unit 300 of FIGS. 3 and 4 the venting unit 300 located on the left side of the module case 200 is the center of the two venting units 300 shown in FIGS. 1 and 2 . It can be said that it is a drawing represented by .
- the venting unit 300 may have a venting channel V so that the venting gas discharged from the venting hole H1 flows in and is discharged to the outside.
- the venting unit 300 may include a protrusion 310 inside the venting channel V.
- the protrusion 310 may protrude from the inside of the venting channel V toward the outer surface of the module case 200 .
- the protrusion 310 is provided on the right surface, which can be referred to as the inner surface. And, this protrusion 310 may be formed to protrude in the right direction.
- the venting gas may flow in a bent form by the protruding portion 310 . That is, when the venting gas flows into the venting channel V of the venting unit 300 from the venting hole H1 of the module case 200, the venting gas flows inside the venting channel V and then flows into the venting channel V. ) may be discharged to the outside through the outlet (Vo). At this time, when the venting gas flows through the inner space of the venting channel V, it collides with the protruding portion 310, and as a result, the flow direction may be bent at a predetermined portion instead of flowing only in a straight direction. Therefore, when the venting gas flows inside the venting channel V, as indicated by arrows in FIG. 3 , it may flow in a bent form at least once. In other words, it can be said that the venting unit 300 is configured so that the venting gas flows non-linearly through the protruding portion 310 .
- the flow direction of the venting gas is formed in a non-linear form, discharge of sparks, electrode discharges, carbides, etc. with strong straightness to the outside of the venting unit 300 together with the venting gas can be effectively suppressed. can Therefore, in this case, a problem in which high-temperature sparks, electrode discharges, carbides, etc. come into contact with oxygen outside the venting unit 300 and act as an ignition source can be prevented.
- the inside may mean a portion toward the center of the battery module, and the outside may mean the opposite direction.
- the inner direction of the venting unit 300 may mean a direction toward the module case 200 .
- the protrusion 310 may be configured to contact the outer surface of the module case 200 .
- the right end of the protrusion 310 contacts the left surface of the module case 200. can be configured to
- an empty space may not be formed between the protrusion 310 and the module case 200 . Accordingly, an empty space in which the venting gas can flow inside the venting channel V may be limited between the protrusions 310 as indicated by V1 in FIG. 4 . Therefore, in this case, a configuration in which the flow direction of the venting gas in the venting channel V is in a non-linear form, that is, in a bent form, can be achieved more easily and reliably.
- a plurality of protrusions 310 may be disposed along the flow direction of the venting gas.
- the flow direction of the venting gas may be referred to as a direction from the venting hole H1 toward the outlet Vo of the venting unit 300 .
- the flow direction of the venting gas may be referred to as the -X axis direction.
- a plurality of protrusions 310 are provided on the right surface of the left venting unit 300, and in particular, several protrusions 310 may be disposed in the -X-axis direction.
- the plurality of protrusions 310 disposed along the flow direction of the venting gas may be configured to be spaced apart from each other by a predetermined distance. And, the venting gas may flow through the separation space. Also, the plurality of protrusions 310 may be alternately arranged along the flow direction of the venting gas. For example, in the case of the venting unit 300 coupled to the left and right sides of the module case 200, a plurality of protrusions 310 are disposed in the front and rear directions, respectively, and the adjacent protrusions 310 are at different heights. It can be configured to be positioned.
- a configuration in which the flow direction of the venting gas is bent several times can be more easily implemented through a configuration in which a plurality of protrusions 310 are disposed along the flow direction of the venting gas.
- a plurality of protrusions 310 may be disposed along a direction orthogonal to the flow direction of the venting gas.
- a direction orthogonal to the flow direction of the venting gas may be referred to as a vertical direction (Z-axis direction).
- a plurality of protrusions 310 may be arranged in a vertical direction.
- venting unit 300 may further include a plate portion 301 and an edge portion 302 as shown in FIGS. 3 and 4 .
- the plate portion 301 may be formed in a plate shape and may have a protruding portion 310 located on an inner surface.
- the plate portion 301 may be formed in the form of a plate erected in an up and down direction, and the protrusion 310 is such a plate portion 301 may be located on the right surface (surface in the -Y axis direction) of
- the edge portion 302 may protrude from the edge of the plate portion 301 toward the outer surface of the module case 200 and be coupled to the outer surface of the module case 200 .
- the edge portion 302 includes an upper end (+Z axis direction end) and a lower end ( ⁇ Z axial end) and the front end (+X-axis direction end) protrudes in the right direction, and may be coupled to the left surface of the module case 200.
- the rim portion 302 and the module case 200 may be coupled by welding.
- the present invention is not necessarily limited to this type of coupling, and they may be coupled in various other ways such as bolting or adhesion.
- the structure and shape of the venting unit 300 is simple, so that the manufacturing or assembly of the venting unit 300 can be performed very easily.
- the venting unit 300 is configured such that one side, that is, the right surface of the venting channel V is completely open, so that the entire open portion is the venting channel V. It can function as an inlet (Vi) of. Accordingly, the position of the venting hole H1 in the module case 200 may not be greatly affected. That is, according to the embodiment, since the inlet Vi of the venting channel V is formed to be very large, the venting unit 300 is positioned at the venting hole H1 on the surface of the module case 200. There is no need to spend a lot of effort to accurately align the inlet Vi.
- the process of providing the protrusion 310 in the inner space of the venting channel V can be achieved very easily.
- the protrusion 310 is completely exposed to the outside before the venting unit 300 is attached to the module case 200 . Therefore, since the protruding portion 310 can be formed through the exposed side surface, a manufacturing or design process for providing the protruding portion 310 in various shapes or arrangements inside the venting channel V can be smoothly performed.
- the venting device is provided for the battery module by simply attaching the venting unit 300 having a simple structure to the side surface of the module case 200 where the venting hole H1 is formed. It can be implemented very easily. Therefore, in this case, if the venting hole H1 is formed in the module case 200, the battery module according to the present invention can be easily implemented without changing the configuration or design of the corresponding module case 200. .
- the edge portion 302 may not be formed on some edges of the plate portion 301, or the protruding height of some edge portions 302 may be formed to be small.
- the edge portion 302 may not be formed at the rear corner. there is.
- the edge portion 302 may be formed at the remaining three corners of the four corners of the plate portion 301 .
- the rear side edge of the square plate portion 301 as indicated by Vo, may function as an outlet of the venting channel V.
- venting channel V is closed on the left side, top, bottom and front side, the right side is open to function as an inlet (Vi), and the rear side is open to function as an outlet (Vo). ) can be said to function as
- the protrusion 310 may have a width equal to or greater than a width in a direction perpendicular to the flow direction of the venting gas. This will be described in more detail with reference to FIG. 5 .
- FIG 5 is an enlarged view of a configuration of a portion where a protrusion 310 is formed in a venting unit 300 according to an embodiment of the present invention.
- the protrusion 310 when looking at the venting unit 300 from the side of the module case 200, the protrusion 310 may have a figure shape having a certain area such as a rectangle.
- W1 the same width in the forward and backward direction as the flow direction (X-axis direction) of the venting gas
- Z the vertical direction orthogonal to the flow direction of the venting gas inside the venting channel V
- W1 and W2 may be configured to form the following size relationship.
- the width of the protrusion 310 in the same direction as the flow direction of the venting gas may be equal to or larger than the width in the direction perpendicular to the flow direction of the venting gas.
- the protruding portion 310 may stably maintain its shape without being deformed even under high pressure of the venting gas. That is, when the venting gas flows inside the venting channel V, a high pressure may be instantaneously applied to the protrusion 310 . At this time, according to the embodiment, even when a large force is applied by gas pressure, the protruding portion 310 stably maintains its shape, so that the non-linear flow direction of the venting gas can continue.
- the contact area between the end of the protruding portion 310 and the module case 200 can be widened. Therefore, it is possible to prevent sparks or ejected materials from leaking easily into the gap between the end of the protrusion 310 and the module case 200 .
- heat can be better transferred from the module case 200 to the outside of the venting unit 300 through the protrusion 310, cooling performance of the battery module by the protrusion 310 can be increased.
- venting unit 300 may be configured in a form in which an adhesive is interposed between the end of the protrusion 310 and the module case 200 .
- an adhesive intervening configuration can be more easily implemented.
- the protrusion 310 may be formed in the form of a quadrangular pillar having an approximate square shape when viewed from the front, but such a shape may be implemented in various ways.
- the protrusion 310 may be formed into a circle, an ellipse, or other polygonal shape when viewed from the front. That is, the protrusion 310 may be formed in the form of a cylinder, an elliptical pillar, or a polygonal pillar.
- the corner or vertex portion may be configured in a rounded shape.
- the venting unit 300 may be configured in a form in which an empty space is formed inside the protrusion 310 . This will be described in more detail with reference to FIG. 6 .
- FIG. 6 is a diagram schematically showing some configurations of a venting unit 300 according to an embodiment of the present invention.
- FIG. 6 may be a diagram schematically illustrating a cross-sectional configuration of the protrusion 310 provided in the venting unit 300 when viewed from above.
- FIG. 6 may be a diagram schematically illustrating a cross-sectional configuration of the protrusion 310 provided in the venting unit 300 when viewed from above.
- the protruding portion 310 is formed in a form protruding from the venting unit 300 toward the module case 200, and an empty space may be formed therein, as indicated by E1. In addition, air or the like may exist in the empty space inside.
- a heat insulating layer is formed by the empty space E1 inside the protrusion 310, so that heat transfer through the protrusion 310 can be reduced.
- a hole may be formed in the protrusion 310 to communicate with the inner space E1.
- a hole may be formed on at least one side of the protrusion 310.
- the protrusion 310 generally has an internal space E1 limited thereto, and the internal space E1 may be connected to the venting channel V through the inlet hole H2.
- the inflow hole H2 of the protrusion 310 may be formed in a direction opposite to the direction in which the venting gas flows.
- the inlet hole of the protruding part 310 (H2) may be formed on the front side surface.
- the effect of preventing discharge of sparks, electrode discharge materials, carbides, etc. by the protruding portion 310 can be further increased.
- the spark or electrode discharge material having a strong linearity moves through the inlet hole H2 to the protruding part 310. It may flow into the inner space (E1).
- sparks or electrode discharge materials introduced into the inner space E1 of the protruding part 310 are retained in the inner space E1 so that they are blocked from being discharged to the outside of the venting unit 300 together with the venting gas.
- FIG. 7 is a diagram schematically showing some configurations of a venting unit 300 according to another embodiment of the present invention.
- FIG. 8 is a cross-sectional view of the configuration of the state in which the venting unit 300 of FIG. 7 is attached to the module case 200 viewed from the top.
- FIG. 8 may be referred to as a modified example of the configuration of FIG. 6 .
- This embodiment will be mainly described in terms of differences from the previous embodiments.
- the venting unit 300 may be concave in a direction in which the outer surface of the portion where the protrusion 310 is formed faces the outer surface of the module case 200, as indicated by G1.
- the protrusion 310 can be said to be formed in a convex shape toward the outer surface of the module case 200 when the inner surface of the venting unit 300 is the reference, but the outer surface of the venting unit 300 is the reference. It can be said that it is formed in a concave shape toward the outer surface of the module case 200.
- the concave portion G1 of the venting unit 300 may be formed by the protruding portion 310 of the venting unit 300, it may have a shape corresponding to the protruding portion 310 of the venting unit 300.
- the protrusion 310 may be formed in a substantially rectangular shape, and thus the concave portion G1 formed on the outer surface of the venting unit 300 may also be formed in a substantially rectangular shape.
- the configuration of forming the protrusion 310 in the venting unit 300 can be implemented simply.
- the venting unit 300 is generally formed in a plate shape, and a plurality of parts in the center are pressed inward, so that the protrusion 310 may be formed.
- the outer surface area of the venting unit 300 can be widened. Accordingly, the cooling performance of the venting gas or high-temperature gas discharged from the inside of the module case 200 and flowing through the venting channel V may be improved.
- heat dissipation performance for heat transferred from the module case 200 to the venting unit 300 may be further improved.
- cooling or heat dissipation efficiency according to this embodiment of the present invention may be further increased.
- the venting unit 300 may have a protrusion or groove formed on the surface of the protrusion 310 . This will be described in more detail with reference to FIGS. 9 to 11 .
- FIG. 9 is an upper cross-sectional view schematically illustrating a configuration of a protrusion 310 according to another embodiment of the present invention.
- FIG. 9 can be regarded as another modified example of the configuration of FIG. 6 .
- This embodiment will also be mainly described in terms of differences from the previous embodiments.
- the protruding part 310 of the venting unit 300 may have a groove formed on the side facing the venting gas, as indicated by G2 . That is, as indicated by arrow A2 in FIG. 9 , when the venting gas flows from the front end to the rear end of the venting unit 300 , a groove G2 may be formed on the front surface of the protrusion 310 . That is, the groove G2 of the protrusion 310 may be formed on a side surface facing the venting gas, that is, a side surface facing the venting hole H1.
- the flow of the venting gas may be disturbed or the flow direction may be changed by the groove G2 formed in the protrusion 310 .
- particles such as sparks or discharged material from an electrode can be collected in the groove G2 formed in the protruding portion 310 . Accordingly, according to this configuration, the effect of preventing sparks or discharged substances from flowing out to the outside of the venting channel V can be further improved.
- FIG. 10 is a front view schematically illustrating a part of a configuration of a venting unit 300 including a protruding portion 310 according to another embodiment of the present invention.
- FIG. 11 is a view of a cross-sectional shape along the line B1-B1' viewed from the top in a state in which the venting unit 300 of FIG. 10 is coupled to the module case 200. This embodiment will also be mainly described in terms of differences from the previous embodiments.
- a groove may be formed on an inner end surface of the protrusion 310, that is, an end surface of the protrusion 310 facing the module case 200, as indicated by G3.
- the groove G3 may form a certain space between the end of the protruding portion 310 and the outer surface of the module case 200 .
- the opening of the groove G3 may be formed on a side of the protrusion 310 facing the venting gas. That is, in the configurations of FIGS. 10 and 11 , when the venting gas flows from the front end to the rear end as indicated by arrow A3, the groove G3 of the protrusion 310 is the part of the protrusion 310 that directly encounters the venting gas.
- the groove G3 of the protrusion 310 may not extend to the rear end of the protrusion 310 and may be configured to stop at a predetermined portion. That is, the groove G3 formed at the end of the protrusion 310 may be concave to a predetermined point instead of penetrating the protrusion 310 .
- the groove G3 of the protrusion 310 has a rear end side bent in a direction orthogonal to the flow direction of the venting gas, such as an upper direction (+Z axis direction) or a lower direction ( ⁇ Z axis direction). may consist of
- the groove G3 formed on the inner end surface of the protruding portion 310 by the groove G3 formed on the inner end surface of the protruding portion 310, sparks or discharges moving together with the venting gas are collected and discharged to the outside of the venting channel V more effectively. can be suppressed
- the effect of collecting sparks or discharges introduced into the gap between the inner end surface of the protrusion 310 and the module case 200 in the groove G3 can be improved.
- the venting unit 300 may further include a porous member 320 as shown in FIG. 9 .
- the porous member 320 may be configured in a form in which a plurality of pores are retained therein. In particular, these internal pores may be configured to communicate with the outside. That is, the pores held in the pore member 320 may be referred to as empty spaces filled only with gas, and these pores may be configured to communicate with the outside rather than in a closed form.
- the porous member 320 may be configured in a form in which a plurality of wires, in particular, a plurality of wires made of materials such as metal or polymer are entangled with each other.
- the porous member 320 may be configured to be inserted into the groove G2 of the protrusion 310 .
- sparks or discharges that come into contact with the surface of the protrusion 310 or flow into the groove G2 of the protrusion 310 are collected by the porous member 320, and the venting channel V Exhaust to the outside can be blocked more reliably.
- protrusions may be formed on the surface of the protruding portion 310 .
- these protrusions may be formed to obstruct the flow direction of the venting gas flowing on the surface of the protrusion 310 .
- the projections may be configured to generate disturbances or eddy currents to the flow of venting gas flowing along the surface of the projections 310 . In this case, external discharge such as sparks or ejected materials can be more suppressed.
- FIG. 12 is an upper cross-sectional view schematically showing some configurations in which the venting unit 300 is coupled to the module case 200 according to another embodiment of the present invention. This embodiment will be mainly described in terms of differences from the previous embodiments.
- the venting unit 300 may further include an adhesive member 330 .
- the adhesive member 330 may be made of an adhesive material and positioned on the inner surface of the venting channel V.
- the adhesive member 330 may be made of only an adhesive material or may be configured in the form of an adhesive tape having an adhesive material on the surface of a substrate.
- the adhesive member 330 may be configured to be positioned on a side of the protruding part 310 facing the venting gas.
- the adhesive member 330 may be attached to the front end side surface of the protrusion 310 so as to face the venting gas.
- the surface direction of the adhesive member 330 may be orthogonal to the flow direction of the venting gas.
- the adhesiveness of the adhesive member 330 may be continuously developed in a normal state, or may be developed only in a high temperature state such as when a venting gas is flowing.
- fine particles included in the venting gas such as sparks or ejected substances, can be better collected due to the adhesiveness of the adhesive member 330 . Therefore, in this case, the effect of suppressing the discharge of sparks or expelled materials to the outside of the venting channel V can be further improved.
- the adhesive member 330 has been described based on a configuration in which the adhesive member 330 is formed on the side surface of the protruding portion 310 toward the venting hole, for example, the front end surface of the protruding portion 310.
- Member 330 may be formed on the other side surface of protrusion 310 , such as an upper side surface and/or a lower side surface of protrusion 310 .
- FIG. 13 is an upper cross-sectional view schematically showing some configurations in which the venting unit 300 is coupled to the module case 200 according to another embodiment of the present invention. This embodiment will be mainly described in terms of differences from the previous embodiments.
- the protruding portion 310 of the venting unit 300 may have a shape in which the width increases toward the inner end. That is, as shown in FIG. 13 , when the width of the outer end of the protrusion 310 is W3 and the width of the inner end of the protrusion 310 is W4, W4 may be larger than W3. That is, the protruding portion 310 may be configured to increase in width from the outside toward the inside.
- the protrusion 310 it is possible to prevent the protrusion 310 from being deformed even under high pressure of the venting gas.
- the end of the protrusion 310 is stable by the surface of the module case 200 even when the venting gas flows. supported and not deformed.
- the protrusion 310 may receive force in the A5 direction, and the inner end of the protrusion 310 has a large surface area and is close to the outer surface of the module case 200. Since they are in contact, the protrusion 310 may not be easily bent in the A5 direction. Therefore, in this case, the venting control configuration by the protruding portion 310 of the venting unit 300 can be continuously maintained.
- FIG 14 is an upper cross-sectional view schematically showing some configurations in which the venting unit 300 is coupled to the module case 200 according to another embodiment of the present invention. This embodiment will be mainly described in terms of differences from the previous embodiments.
- the protrusion 310 of the venting unit 300 may be configured in a substantially plate shape, unlike the previous embodiments. At this time, at least one surface of both wide surfaces of the plate-shaped protrusion 310 may be configured to face the flow direction of the venting gas. For example, as indicated by arrow A6 in FIG. 14 , when the venting gas flows from the front to the rear of the battery module, one surface of the protrusion 310 is configured to face forward and the other surface is configured to face backward. It can be.
- the protrusion 310 has a side end facing the outer surface of the module case 200 in a direction opposite to the flow direction of the venting gas, that is, in a direction toward the venting hole H1. It can be configured to be extended.
- the protrusion 310 moves backward even under high pressure of the venting gas. It is possible to stably contact the surface of the module case 200 without being pushed. Moreover, in this embodiment, by increasing the contact area between the protrusion 310 and the module case 200, coupling and heat transfer between the protrusion 310 and the module case 200 can be further improved. Particularly, in this case, an adhesive may be interposed between the protrusion 310 and the module case 200 to further increase the bonding force between the protrusion 310 and the module case 200.
- FIG. 15 and 16 are perspective views schematically illustrating the configuration of a venting unit 300 according to still other embodiments of the present invention. This embodiment will also be mainly described in terms of differences from the previous embodiment.
- each of the plurality of protrusions 310 may be formed in a plate shape. That is, in the foregoing various embodiments, when the venting unit 300 is viewed from the side of the module case 200, the description has been focused on the configuration of the protrusion 310 having a three-dimensional shape such as a square, but the protrusion 310 It may also be configured in a form having a straight line shape. Particularly, the protruding portion 310 may be configured such that some edges are fixed to the plate portion 301 and the edge portion 302 and the other edges are not fixed within the venting unit 300 .
- At least some of the other edges of the protrusion 310 that are not fixed within the venting unit 300 are configured to contact the surface of the module case 200 when the venting unit 300 is coupled to the module case 200. It can be. Furthermore, as shown in FIG. 15 , the plate-like protruding portion 310 may be inclined at a predetermined angle from the direction of the edge portion 302 . According to this configuration of the present invention, with a relatively simple structure, the effect of suppressing discharge such as sparks and expelled substances can be ensured.
- the protruding portion 310 may be configured in a plate shape, but may be configured in a shape in which a predetermined portion is bent. That is, when looking at the open inlet side of the venting unit 300 from the side of the module case 200, the protruding part 310 may be configured in a form having a bent straight shape.
- a plurality of bent straight protrusions 310 may be arranged spaced apart from each other by a predetermined distance along the flow direction of the venting gas, for example, in the front and rear direction (X-axis direction) of the module case 200 .
- a plurality of bent linear protrusions 310 may be disposed at a predetermined distance apart in a direction perpendicular to the flow direction of the venting gas, for example, in the vertical direction (Z-axis direction) of the module case 200.
- FIG. 17 is a perspective view schematically illustrating the configuration of a battery module according to another embodiment of the present invention. This embodiment will be mainly described in terms of differences from the previous embodiments.
- the venting unit 300 may be coupled to an upper portion of the module case 200 .
- a protrusion 310 may be provided on an inner surface of the venting unit 300 .
- the venting unit 300 may be attached to the upper part of the module case 200 corresponding to the location of the venting hole H1.
- the venting holes H1 are formed on the left and right sides of the upper surface of the module case 200, respectively
- the venting unit 300 is formed on the left and right sides of the upper part of the module case 200, respectively, as shown in FIG. can be attached
- the venting gas when the venting gas is discharged from the venting hole H1, the venting gas may be discharged as indicated by an arrow in FIG. 17 .
- FIG. 18 is a perspective view schematically illustrating the configuration of a battery module according to another embodiment of the present invention. This embodiment will be mainly described in terms of differences from the previous embodiments.
- venting units 300 are coupled to the left and right sides of the upper surface of the module case 200, respectively, and the venting directions of the respective venting units 300 may be configured to be in opposite directions. That is, the venting direction of the venting unit 300 provided on the left side of the upper surface of the module case 200 is configured to face backward, and the venting direction of the venting unit 300 provided on the upper right side of the module case 200 is forward. It can be configured to face.
- the venting gas may be dispersed to prevent the venting gas from being concentrated in a specific part by differentiating the venting direction among the plurality of venting units 300 . Therefore, in this case, it is possible to prevent overheating of a specific part due to the concentration of the venting gas.
- FIG. 19 is a diagram schematically illustrating a battery pack according to an embodiment of the present invention as viewed from above.
- a detailed description of parts to which the parts described in the previous embodiments can be applied identically or similarly will be omitted.
- the battery pack according to the present invention may include one or more battery modules M according to the present invention described above.
- the battery pack according to the present invention may include a plurality of battery modules M according to the present invention.
- each battery module M includes a cell assembly 100 , a module case 200 and a venting unit 300 .
- the plurality of battery modules M may be accommodated inside the pack housing PH.
- a venting unit 300 may be included, and venting gas may be discharged through the venting unit 300 as indicated by an arrow. . Therefore, ignition factors such as sparks, electrode discharges, and carbides are not included as much as possible in the venting gas discharged to the outside, thereby preventing ignition from occurring in other battery modules M as well as around the corresponding battery module M. can do.
- venting gas can be prevented from being directly injected toward other battery modules.
- FIG. 19 when a plurality of battery modules M are disposed in two rows, a left column and a right column, in a pack housing, a venting unit 300 is provided for the battery modules M in the left column.
- the spraying direction of the venting unit 300 may be directed to the left, and the spraying direction of the venting unit 300 may be directed to the right for the battery module M in the right column.
- venting gas is discharged from a specific battery module, for example, M4
- the venting gas is not directed toward other battery modules, so that the spread of a thermal event by the venting gas to other battery modules can be more effectively prevented.
- the battery pack according to the present invention in addition to the battery module (M) or the pack housing (PH), other various components, such as BMS, bus bar, relay, current sensor, etc. of the present invention It may further include components of a battery pack known at the time of filing.
- venting unit 300 applied to the battery module may also be applied to the battery pack. This will be further described with reference to FIG. 20 .
- FIG. 20 is a view of a battery pack according to another embodiment of the present invention viewed from above.
- FIG. 20 shows the internal configuration of the battery pack according to the present invention in a state where the upper side of the pack housing PH is removed.
- This embodiment will also be mainly described in terms of differences from the previous embodiments.
- a hole may be formed in at least one side of the pack housing PH in which the plurality of battery modules M are accommodated, as indicated by H3.
- the pack hole H3 may be formed in a form in which the inner space and the outer space of the pack housing PH communicate with each other.
- the pack hole H3 may function as a passage through which gas or the like existing in the inner space of the pack housing PH is discharged to the outside.
- the above-described venting unit 300 may be mounted on the pack housing PH.
- the venting unit 300 when the pack hole H3 is formed in the pack housing PH, the venting unit 300 is located outside the pack housing PH, where the pack hole H3 is formed. can be attached
- the battery pack according to this embodiment of the present invention includes one or more battery modules (M), a pack housing (PH) accommodating the one or more battery modules (M) in an inner space and having a pack hole (H3) formed therein, and these Mounted on the pack housing (PH), a venting channel (V) is formed so that the venting gas discharged from the pack hole (H3) flows in and is discharged to the outside, and inside the venting channel (V), the pack housing ( It can be said to include a venting unit 300 having a protruding portion 310 configured to protrude toward the outer surface of the PH).
- the venting gas generated from any battery module M passes through the pack hole H3, as indicated by an arrow in FIG. 20, and enters the venting unit 300 located outside the pack housing PH. can flow into Then, as described above, by the venting unit 300, external discharge of sparks, electrode discharged materials, carbides, and the like can be suppressed.
- the venting unit 300 in an implementation configuration in which the venting unit 300 is mounted on the pack housing PH, the venting unit 300 includes several of the venting unit 300 described above as mounted on the module case 200. Exemplary configurations may be applied identically or similarly.
- the venting unit 300 may not be included in each battery module M. However, as shown in FIG. 19 , the venting unit 300 may be separately attached to each battery module M as well.
- the cell assembly 100 is accommodated inside the module case 200 and provided inside the pack housing PH in a modular form.
- the cell assembly 100 is not accommodated in the module case 200, but is directly mounted on the pack housing PH in a cell to pack form.
- the battery module M described above may include only the cell assembly 100 without including the module case 200 .
- a control device such as a battery management system (BMS) and electric components such as a relay and a current sensor may be accommodated together.
- BMS battery management system
- electric components such as a relay and a current sensor
- the battery module according to the present invention or the battery pack according to the present invention can be applied to vehicles such as electric vehicles or hybrid vehicles. That is, the vehicle according to the present invention may include the battery module according to the present invention or the battery pack according to the present invention. In addition, the vehicle according to the present invention may further include various other components included in the vehicle in addition to the battery module or the battery pack. For example, a vehicle according to the present invention may further include a control device such as a vehicle body, a motor, and an electronic control unit (ECU), in addition to the battery module according to the present invention.
- a control device such as a vehicle body, a motor, and an electronic control unit (ECU), in addition to the battery module according to the present invention.
- ECU electronice control unit
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Gas Exhaust Devices For Batteries (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
Description
Claims (12)
- 하나 이상의 배터리 셀을 구비하는 셀 어셈블리;내부 공간에 상기 셀 어셈블리를 수납하며, 상기 셀 어셈블리로부터 생성된 벤팅 가스가 배출 가능하도록 벤팅 홀이 형성된 모듈 케이스; 및상기 모듈 케이스의 외측에 구비되고, 상기 벤팅 홀로부터 배출된 벤팅 가스가 유입되어 외부로 배출될 수 있도록 벤팅 채널이 형성되며, 상기 벤팅 채널 내부에서 상기 모듈 케이스의 외면을 향하여 돌출된 형태로 구성된 돌출부를 구비하는 벤팅 유닛을 포함하는 것을 특징으로 하는 배터리 모듈.
- 제1항에 있어서,상기 돌출부는, 상기 벤팅 가스의 흐름 방향을 따라 다수 배치된 것을 특징으로 하는 배터리 모듈.
- 제1항에 있어서,상기 벤팅 유닛은, 판상으로 형성되며 내측 표면에 상기 돌출부가 위치하는 플레이트부 및 상기 플레이트부의 테두리에서 상기 모듈 케이스의 외면을 향하여 돌출되어 상기 모듈 케이스의 외면에 결합된 테두리부를 더 구비하는 것을 특징으로 하는 배터리 모듈.
- 제1항에 있어서,상기 돌출부는, 벤팅 가스의 흐름 방향과 동일한 방향의 폭이 벤팅 가스의 흐름 방향에 직교하는 방향의 폭 이상의 크기로 구성된 것을 특징으로 하는 배터리 모듈.
- 제1항에 있어서,상기 벤팅 유닛은, 상기 돌출부의 내부에 빈 공간이 형성된 것을 특징으로 하는 배터리 모듈.
- 제1항에 있어서,상기 벤팅 유닛은, 상기 돌출부가 형성된 부분의 외면이 상기 모듈 케이스의 외면을 향하는 방향으로 오목하게 형성된 것을 특징으로 하는 배터리 모듈.
- 제1항에 있어서,상기 벤팅 유닛은, 상기 돌출부의 표면에 돌기 또는 홈이 형성된 것을 특징으로 하는 배터리 모듈.
- 제1항에 있어서,상기 벤팅 유닛은, 접착성을 갖는 물질을 구비하여 상기 벤팅 채널의 내부 표면에 위치하는 접착 부재를 더 구비하는 것을 특징으로 하는 배터리 모듈.
- 제1항에 있어서,상기 돌출부는, 내측 단부로 갈수록 폭이 넓어지는 형태로 구성된 것을 특징으로 하는 배터리 모듈.
- 제1항 내지 제9항 중 어느 한 항에 따른 배터리 모듈을 포함하는 배터리 팩.
- 하나 이상의 배터리 모듈;상기 하나 이상의 배터리 모듈을 내부 공간에 수납하며 팩 홀이 형성된 팩 하우징; 및상기 팩 하우징에 장착되고, 상기 팩 홀로부터 배출된 벤팅 가스가 유입되어 외부로 배출될 수 있도록 벤팅 채널이 형성되며, 상기 벤팅 채널 내부에서 상기 팩 하우징의 외면을 향하여 돌출된 형태로 구성된 돌출부를 구비하는 벤팅 유닛을 포함하는 것을 특징으로 하는 배터리 팩.
- 제1항 내지 제9항 중 어느 한 항에 따른 배터리 모듈을 포함하는 자동차.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2023541114A JP2024502983A (ja) | 2021-07-09 | 2022-07-08 | 安全性が強化されたバッテリーモジュール及びバッテリーパック |
CA3213473A CA3213473A1 (en) | 2021-07-09 | 2022-07-08 | Battery module and battery pack with reinforced safety |
EP22838062.2A EP4277000A1 (en) | 2021-07-09 | 2022-07-08 | Battery module and battery pack with reinforced safety |
US18/282,188 US20240106066A1 (en) | 2021-07-09 | 2022-07-08 | Battery module and battery pack with reinforced safety |
CN202280011260.1A CN116745984A (zh) | 2021-07-09 | 2022-07-08 | 具有增强安全性的电池模块和电池组 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20210090554 | 2021-07-09 | ||
KR10-2021-0090554 | 2021-07-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2023282711A1 true WO2023282711A1 (ko) | 2023-01-12 |
Family
ID=84801814
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2022/009996 WO2023282711A1 (ko) | 2021-07-09 | 2022-07-08 | 안전성이 강화된 배터리 모듈 및 배터리 팩 |
Country Status (7)
Country | Link |
---|---|
US (1) | US20240106066A1 (ko) |
EP (1) | EP4277000A1 (ko) |
JP (1) | JP2024502983A (ko) |
KR (1) | KR20230009850A (ko) |
CN (1) | CN116745984A (ko) |
CA (1) | CA3213473A1 (ko) |
WO (1) | WO2023282711A1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117080673B (zh) * | 2023-10-17 | 2024-01-26 | 厦门海辰储能科技股份有限公司 | 一种电池模组及用电装置 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20110042119A (ko) * | 2009-07-17 | 2011-04-22 | 파나소닉 주식회사 | 전지 모듈과 이를 이용한 전지 팩 |
KR20120049020A (ko) * | 2010-11-08 | 2012-05-16 | 에스비리모티브 주식회사 | 전지 모듈 |
CN107887537A (zh) * | 2016-09-30 | 2018-04-06 | 财团法人金属工业研究发展中心 | 具有散热及排水结构的电动车电池箱壳体 |
JP2019102421A (ja) * | 2017-12-04 | 2019-06-24 | 株式会社東芝 | バッテリ |
US20210119298A1 (en) * | 2019-04-08 | 2021-04-22 | Contemporary Amperex Technology Co., Limited | Protective plate, battery unit assembly, battery module group and vehicle |
KR20210090554A (ko) | 2020-01-10 | 2021-07-20 | 쇼와 덴코 패키징 가부시키가이샤 | 성형용 포장재 |
-
2022
- 2022-07-08 CA CA3213473A patent/CA3213473A1/en active Pending
- 2022-07-08 CN CN202280011260.1A patent/CN116745984A/zh active Pending
- 2022-07-08 US US18/282,188 patent/US20240106066A1/en active Pending
- 2022-07-08 JP JP2023541114A patent/JP2024502983A/ja active Pending
- 2022-07-08 EP EP22838062.2A patent/EP4277000A1/en active Pending
- 2022-07-08 KR KR1020220084540A patent/KR20230009850A/ko unknown
- 2022-07-08 WO PCT/KR2022/009996 patent/WO2023282711A1/ko active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20110042119A (ko) * | 2009-07-17 | 2011-04-22 | 파나소닉 주식회사 | 전지 모듈과 이를 이용한 전지 팩 |
KR20120049020A (ko) * | 2010-11-08 | 2012-05-16 | 에스비리모티브 주식회사 | 전지 모듈 |
CN107887537A (zh) * | 2016-09-30 | 2018-04-06 | 财团法人金属工业研究发展中心 | 具有散热及排水结构的电动车电池箱壳体 |
JP2019102421A (ja) * | 2017-12-04 | 2019-06-24 | 株式会社東芝 | バッテリ |
US20210119298A1 (en) * | 2019-04-08 | 2021-04-22 | Contemporary Amperex Technology Co., Limited | Protective plate, battery unit assembly, battery module group and vehicle |
KR20210090554A (ko) | 2020-01-10 | 2021-07-20 | 쇼와 덴코 패키징 가부시키가이샤 | 성형용 포장재 |
Also Published As
Publication number | Publication date |
---|---|
CN116745984A (zh) | 2023-09-12 |
CA3213473A1 (en) | 2023-01-12 |
EP4277000A1 (en) | 2023-11-15 |
US20240106066A1 (en) | 2024-03-28 |
JP2024502983A (ja) | 2024-01-24 |
KR20230009850A (ko) | 2023-01-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2019027150A1 (ko) | 배터리 셀용 카트리지 및 이를 포함하는 배터리 모듈 | |
WO2021221478A1 (ko) | 전지팩 및 이를 포함하는 디바이스 | |
WO2021221342A1 (ko) | 전지팩 및 이를 포함하는 디바이스 | |
WO2023282711A1 (ko) | 안전성이 강화된 배터리 모듈 및 배터리 팩 | |
WO2023146278A1 (ko) | 배터리 팩 및 이를 포함하는 자동차 | |
WO2022186565A1 (ko) | 화재 방지 성능이 향상된 배터리 모듈 | |
WO2022154431A1 (ko) | 전지 모듈 및 이를 포함하는 전지팩 | |
WO2023282609A1 (ko) | 전지 모듈 및 이를 포함하는 전지 팩 | |
WO2022149889A1 (ko) | 배터리 팩, 전력 저장 장치, 및 자동차 | |
WO2021221415A1 (ko) | 전지팩 및 이를 포함하는 디바이스 | |
WO2023068657A1 (ko) | 안전성이 강화된 배터리 모듈 및 배터리 팩 | |
WO2023167467A1 (ko) | 안전성이 강화된 배터리 모듈 | |
WO2024063485A1 (ko) | 배터리 팩 및 이를 포함하는 전력 저장 장치 | |
WO2022265460A1 (ko) | 개선된 벤팅 성능을 갖는 배터리 모듈 | |
WO2022186564A1 (ko) | 화재 방지 성능이 향상된 배터리 모듈 | |
WO2023224291A1 (ko) | 배터리 팩 및 이를 포함하는 자동차 | |
WO2023068688A1 (ko) | 안전성이 강화된 배터리 모듈 | |
WO2024005581A1 (ko) | 배터리 모듈, 배터리 팩 및 이를 포함하는 자동차 | |
WO2024019414A1 (ko) | 전지 팩 및 이를 포함하는 디바이스 | |
WO2024071613A1 (ko) | 배터리 팩 및 이를 포함하는 자동차 | |
WO2023229139A1 (ko) | 배터리 모듈, 배터리 팩 및 이를 포함하는 자동차 | |
WO2023113409A1 (ko) | 안전성이 향상된 배터리 모듈 | |
WO2024019511A1 (ko) | 전지 팩 및 이를 포함하는 디바이스 | |
WO2024019413A1 (ko) | 배터리 팩 및 이를 포함하는 디바이스 | |
WO2024053839A1 (ko) | 배터리 팩 및 이를 포함하는 자동차 |
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: 22838062 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2023541114 Country of ref document: JP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 202280011260.1 Country of ref document: CN |
|
ENP | Entry into the national phase |
Ref document number: 2022838062 Country of ref document: EP Effective date: 20230807 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 18282188 Country of ref document: US |
|
ENP | Entry into the national phase |
Ref document number: 3213473 Country of ref document: CA |
|
NENP | Non-entry into the national phase |
Ref country code: DE |