WO2021201443A1 - 가스 차단 구조체를 포함하는 전지모듈 - Google Patents
가스 차단 구조체를 포함하는 전지모듈 Download PDFInfo
- Publication number
- WO2021201443A1 WO2021201443A1 PCT/KR2021/002500 KR2021002500W WO2021201443A1 WO 2021201443 A1 WO2021201443 A1 WO 2021201443A1 KR 2021002500 W KR2021002500 W KR 2021002500W WO 2021201443 A1 WO2021201443 A1 WO 2021201443A1
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- Prior art keywords
- duct
- battery
- side plate
- battery module
- battery cell
- Prior art date
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- 230000000712 assembly Effects 0.000 claims abstract description 19
- 238000000429 assembly Methods 0.000 claims abstract description 19
- 238000000926 separation method Methods 0.000 claims abstract description 7
- 230000000903 blocking effect Effects 0.000 claims description 36
- 230000004888 barrier function Effects 0.000 claims description 31
- 239000003507 refrigerant Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 2
- 239000000155 melt Substances 0.000 claims 1
- 230000007480 spreading Effects 0.000 abstract description 8
- 239000007789 gas Substances 0.000 description 36
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008901 benefit Effects 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
- 230000009477 glass transition Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 239000002952 polymeric resin Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- 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
- H01M50/209—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C2/00—Fire prevention or containment
- A62C2/06—Physical fire-barriers
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/64—Heating or cooling; Temperature control characterised by the shape of the cells
- H01M10/647—Prismatic or flat cells, e.g. pouch cells
-
- 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
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6561—Gases
- H01M10/6563—Gases with forced flow, e.g. by blowers
-
- 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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/14—Primary casings; Jackets or wrappings for protecting against damage caused by external factors
- H01M50/143—Fireproof; Explosion-proof
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/258—Modular batteries; Casings provided with means for assembling
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/30—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
- H01M50/375—Vent means sensitive to or responsive to temperature
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/30—Arrangements for facilitating escape of gases
- H01M50/383—Flame arresting or ignition-preventing means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
- H01M50/505—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing comprising a single busbar
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2200/00—Safety devices for primary or secondary batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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 module including a gas barrier structure, and specifically, in order to prevent a flame from spreading to an adjacent battery cell module assembly when ignited in a specific battery cell module assembly, communicated with the battery cell module assembly It relates to a battery module including a gas barrier structure disposed in the duct.
- the secondary battery has a different configuration depending on the output and capacity required in the applied field or product.
- small mobile devices such as cell phones, digital cameras, and notebook computers
- mid-to-large-sized battery packs in which a plurality of battery cells are electrically connected are used in mid- to large-sized devices such as electric bicycles, electric vehicles, and hybrid electric vehicles due to the need for high output and large capacity.
- the electrode terminal portion is a portion where a lot of heat is concentrated, and is a point where ignition mainly occurs due to a high-temperature phenomenon of the battery cell, and may be a passage through which a flame is discharged to the outside.
- the battery pack includes a bus bar for electrical connection of the battery cell or battery module accommodated therein, a connector for connection to an external system, etc., and a heat dissipation fan for discharging heat inside the battery pack is installed, etc. , often in an open structure.
- the battery pack has a structure in which it is difficult to completely block material movement between the inside and the outside, the flame generated inside the battery pack is easily transmitted to the adjacent area, and the air containing oxygen from the outside of the battery pack into the inside of the battery pack continues. It can be supplied and the ignition condition can be continued.
- Patent Document 1 discloses a battery pack provided with a thermal expansion member to block the inflow of external air into the battery case when the battery module ignites, and Patent Document 2 is deformed by overheating when the battery is abnormal.
- a battery pack including a structure for closing an opening of a battery pack case.
- Patent Document 1 and Patent Document 2 do not suggest a structure for preventing the flame generated inside the battery pack from spreading inside the battery pack.
- Patent Document 1 Japanese Patent Application Laid-Open No. 2015-153616 (2015.08.24)
- Patent Document 2 Korean Patent Publication No. 20413-0089327 (2016.12.01)
- the present invention is to solve the above problems, and in normal times, air is circulated to prevent the temperature increase of the battery module, and when the battery module is ignited, it is possible to prevent a chain ignition by blocking the movement of air and flame.
- An object of the present invention is to provide a battery module including a gas barrier structure.
- a battery module according to the present invention for achieving this object includes a plurality of battery cell module assemblies in which battery cells are closely arranged, a side plate electrically connected to electrode leads of the battery cell module assemblies, and a side plate on the outside of the side plate. It may include a duct disposed therein, and a gas barrier structure disposed in the duct, wherein the plurality of battery cell module assemblies are disposed to form a spaced apart space.
- the side plate may have an open structure so that the battery cell module assembly and the duct communicate.
- a plurality of battery cells are accommodated in a housing, and an open surface of the housing may be coupled to the side plate.
- the side plate may have an integrated structure covering the entire side surface of the battery module in a direction in which the electrode lead of the battery cell module assembly protrudes.
- the gas barrier structure may be disposed at a position corresponding to the separation space within the duct.
- the side plate includes a first side plate and a second side plate respectively positioned at opposite ends of the battery cell module assembly in the electric length direction, and a first duct is positioned outside the first side plate, and the second side A second duct may be positioned outside the plate.
- the battery module may have a structure in which the refrigerant is introduced through the first end of the first duct, passes through the battery cell module assembly, and then is discharged through the second end of the second duct.
- the gas barrier structure includes a blocking film for opening and closing the duct and a fixing part for fixing the blocking film, and when the fixing part is melted when the battery module heats up and the fixing of the blocking film is released, the gas flow through the duct is blocked
- the blocking film may be formed in a rotating shape.
- the gas barrier structure includes a shielding film connecting the duct, a thermal fuse connected to a first end of the shielding film, and an elastic body connected to a second end opposite to the first end of the shielding film, When the thermal fuse is blown during heat generation, the blocking film may be rotated by the elastic force of the elastic body to block the gas flow through the duct.
- the blocking film includes two blades extending in opposite directions with respect to a central axis for rotation, and the blades may be formed in a straight or spiral shape when viewed from one end of the central axis.
- a protrusion for stopping the rotating blocking film may be formed on the inner surface of the duct.
- the protrusion may have a shape in which a part of the duct is indented inward, or a structure in which a protrusion is attached to an inner surface of the duct.
- the present invention also provides a battery pack including the battery module.
- the battery module according to the present invention has a duct as a passage for air circulation on the outside of the side plate as the battery cell module assemblies accommodated therein are accommodated in an independent housing.
- the battery module may exhibit a cooling function of the battery module by circulating in the form that air introduced through the duct is discharged after passing through the battery cell module assemblies.
- the battery module can be reused by replacing the ignited battery cell module assembly.
- FIG. 1 is a perspective view of a battery module according to the present invention.
- FIG. 2 is a plan view illustrating a state in which an upper surface of the battery cell module assembly is removed from the battery module of FIG. 1 .
- FIG. 3 is a partially enlarged perspective view of the battery module of FIG. 1 .
- FIG 4 is a partially enlarged view showing a state before the operation of the gas barrier structure.
- FIG. 5 is a partially enlarged view illustrating a state in which the gas barrier structure of FIG. 4 is operated.
- FIG. 6 is a plan view illustrating a gas barrier structure according to an exemplary embodiment.
- FIG. 7 is a plan view showing the form of a barrier film of the gas barrier structure.
- FIG. 1 is a perspective view of a battery module according to the present invention
- FIG. 2 is a plan view of the battery module of FIG. 1 with the upper surface of the battery cell module assembly removed.
- a plurality of battery cell module assemblies 110 are disposed to have a space 115 therebetween, and each battery cell module assembly Reference numeral 110 indicates that the battery cells 111 are closely arranged.
- the battery cell module assembly 110 has a form in which a plurality of battery cells 111 are accommodated in a housing, and the battery cell module assembly is accommodated in an individual housing within the battery module housing and is independently disposed.
- the present invention includes a battery cell module assembly using an independent housing, in the conventional battery module housing, the battery cell module assembly is not accommodated in an individual housing and exists in an open form, so that the flame is easily ignited when ignited. It can solve the problem that has spread.
- the direction in which the electrode leads protrude has an open structure.
- the battery module is assembled by coupling the side plate 120 to the open surface of the housing including the open structure as described above.
- the side plate 120 electrically connected to the electrode lead of the battery cells 111 includes a first side plate and a second side plate respectively positioned at both ends of the battery cell module assemblies 110 in the electric length direction.
- the side plate 120 has an integrated structure covering the entire first surface of the electrode lead of the battery cell module assembly 110 in the protruding direction and the first surface of the separation space 115 formed between the battery cell module assemblies. .
- the side plate 120 is sized to cover the entire first surface formed by the plurality of battery cell module assemblies and their spaced spaces.
- the battery module according to the present invention is formed in a form in which the battery cell module assembly is accommodated in an individual housing, and includes a side plate having an integrated structure, thereby eliminating the need for a separate battery module case.
- a duct 130 through which air can flow is disposed on the outside of each of the first side plate and the second side plate, the first duct is positioned on the outside of the first side plate, and the outside of the second side plate A second duct is located.
- the battery module according to the present invention has a structure in which the air introduced through the duct passes through the battery cell module assembly and is discharged through the opposite duct, and the side plate communicates with the battery cell module assembly and the duct so that air can circulate. It may have an open structure as much as possible.
- air serving as a refrigerant flows into the battery module from the outside of the battery module through a fan 112 connected to one end of the first duct, as shown by the dotted arrow in FIG. 2 , Air flows in through the first end of the first duct, passes through the side plate having an open structure, passes through the battery cell module assembly 110, and passes through the open structure of the opposite side plate to the second side of the second duct discharged through the end.
- the heated battery module can be cooled by such a flow of air.
- the side plate may constitute one side of the duct 130 .
- a separate duct in the form of a square pillar is disposed on the outside of the side plate, and a structure communicating with the battery cell module assembly through the side plate may be formed on one side of the duct overlapping the side plate.
- FIG. 3 is a partially enlarged perspective view of the battery module of FIG. 1
- FIG. 4 is a partially enlarged view showing a state before operation of the gas barrier structure
- FIG. 5 is a partially enlarged view showing a state in which the gas barrier structure of FIG. 4 is operated .
- the gas barrier structure 140 is positioned in the duct 130 .
- the gas barrier structure 140 is a gas barrier structure in which flames move between adjacent battery cell module assemblies 110 . It is disposed at a position corresponding to the separation space 115 within the duct 130 to block it.
- the side plate 120 includes an opening 122 formed in a bent form by cutting a portion so that the battery cell module assembly and the duct 130 communicate with each other.
- the shape of the opening is not limited to the shape shown in FIGS. 3 to 5 , and may be a shape in which a through hole or a slit is formed.
- the gas barrier structure 140 includes a blocking film 142 for opening and closing the duct 130 and a fixing part 141 for fixing the blocking film 142 .
- FIG 4 is a state in which the fixing part 141 grips and fixes the blocking film 142 when the battery module is in a normal state, and the blocking film 142 is disposed parallel to the air flow direction (indicated by a dotted arrow).
- the structure of the fixing part is not limited to the form shown in FIG. 4, and if it is a structure in which the blocking film can be stably gripped and fixed in a normal state, and melted rapidly during heat or ignition, so that the fixing of the blocking film can be released. does not
- the fixing part 141 is made of a material that can be melted at a high temperature, for example, it may be made of a polymer resin having a glass transition temperature or a melting point of 300° C. or less.
- the gas heated in the right battery cell module assembly 110 moves toward the left in the drawing, and the air flowing into the battery module from the outside of the battery module through the fan flows toward the right in the drawing, the heating
- the blocking film 142 which was rotated by the pressure difference between the gas and the incoming air, is caught by the protrusion 144 formed on the inner surface of the duct 130 and is left still.
- FIG. 6 is a plan view illustrating a gas barrier structure according to an exemplary embodiment.
- the gas blocking structure 240 includes a blocking film 242 for covering a duct, a thermal fuse 247 connected to a first end of the blocking film 242 , and a first end of the blocking film 242 .
- a protrusion formed on the inner surface of the duct of FIG. 5 may also be formed on the inner surface of the duct of FIG. 6 , and rotation of the blocking film may be stopped by the protrusion.
- the protrusion may be formed on the inner surface of the bottom of the duct or may be formed on the inner surface of the side plate.
- FIG. 7 is a plan view showing the form of a barrier film of the gas barrier structure.
- the blocking film 342 illustrated in FIG. 7A has the same shape as the blocking films 142 and 242 illustrated in FIGS. 5 and 6 , and extends in opposite directions with respect to the central axis 343 for rotation. It includes two wings 349 .
- the wing 349 is formed in a straight line when viewed from one end of the central axis 343 .
- the blocking film 442 shown in FIG. 7B includes two blades 449 extending in opposite directions with respect to the central axis 443 for rotation.
- the wing 449 is formed in a spiral shape when viewed from one end of the central axis 443 .
- a protrusion formed on the inner surface of the duct of FIG. 5 may also be formed on the inner surface of the duct of FIG. 7 , and rotation of the blocking film may be stopped by the protrusion.
- the barrier film rapidly rotates by the pressure difference of the gas passing through the duct to completely block the gas passing through the duct. Therefore, it is possible to block the flame and heat generated inside the battery cell module assembly from spreading, and it is possible to prevent the air outside the battery module from flowing into the battery module, thereby preventing the spread of a large fire.
- the battery module according to the present invention has a duct as a passage for air circulation on the outside of the side plate as the battery cell module assemblies accommodated therein are accommodated in an independent housing.
- the battery module may exhibit a cooling function of the battery module by circulating in the form that air introduced through the duct is discharged after passing through the battery cell module assemblies.
- the battery module can be reused by replacing the ignited battery cell module assembly.
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- Electrochemistry (AREA)
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
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- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
- Gas Exhaust Devices For Batteries (AREA)
Abstract
Description
Claims (13)
- 전지셀들이 밀착 배열된 복수의 전지셀 모듈 어셈블리들;상기 전지셀 모듈 어셈블리들의 전극리드와 전기적으로 연결되는 사이드 플레이트;상기 사이드 플레이트의 외측에 배치되는 덕트; 및상기 덕트 내에 배치되는 가스 차단 구조체;를 포함하고,상기 복수의 전지셀 모듈 어셈블리들은 이격 공간이 형성되도록 배치되어 있는 전지모듈.
- 제 1 항에 있어서, 상기 사이드 플레이트는 상기 전지셀 모듈 어셈블리와 상기 덕트가 연통되도록 개방형 구조로 이루어진 전지모듈.
- 제 1 항에 있어서, 상기 전지셀 모듈 어셈블리는 복수의 전지셀들이 하우징에 수납된 형태이고,상기 하우징의 개방면은 상기 사이드 플레이트와 결합되는 전지모듈.
- 제 1 항에 있어서, 상기 사이드 플레이트는 상기 전지셀 모듈 어셈블리의 전극리드가 돌출되는 방향에서 전지모듈의 측면 전체를 덮는 일체형 구조로 이루어진 전지모듈.
- 제 1 항에 있어서, 상기 가스 차단 구조체는, 상기 덕트 내에서 상기 이격 공간과 대응되는 위치에 배치되는 전지모듈.
- 제 1 항에 있어서, 상기 사이드 플레이트는 상기 전지셀 모듈 어셈블리의 전장 방향 양측 끝단에 각각 위치하는 제1사이드 플레이트와 제2사이드 플레이트를 포함하고,상기 제1사이드 플레이트의 외측에는 제1덕트가 위치하며, 상기 제2사이드 플레이트의 외측에는 제2덕트가 위치하는 전지모듈.
- 제 6 항에 있어서, 상기 전지모듈은 냉매가 상기 제1덕트의 제1측 끝단을 통해 유입되어 전지셀 모듈 어셈블리를 통과한 후, 상기 제2덕트의 제2측 끝단을 통해 배출되는 구조로 이루어진 전지모듈.
- 제 1 항에 있어서,상기 가스 차단 구조체는 상기 덕트를 개폐하는 차단막과 상기 차단막을 고정하는 고정부를 포함하고,전지모듈의 발열시 상기 고정부가 용융되어 상기 차단막의 고정이 해제되면, 상기 덕트를 통한 가스 흐름이 차단되도록 상기 차단막이 회전하는 형태로 이루어진 전지모듈.
- 제 1 항에 있어서, 상기 가스 차단 구조체는,상기 덕트를 계패하는 차단막, 상기 차단막의 제1측 끝단에 연결된 온도 퓨즈, 및 상기 차단막의 제1측 끝단의 반대편인 제2측 끝단에 연결된 탄성체를 포함하고,전지모듈의 발열시 상기 온도 퓨즈가 끊어지면 상기 탄성체의 탄성력에 의해 차단막이 회전하여 상기 덕트를 통한 가스 흐름이 차단되는 전지모듈.
- 제 8 항 또는 제 9 항에 있어서, 상기 차단막은 회전을 위한 중심축을 기준으로 서로 반대 방향으로 연장된 2개의 날개를 포함하고,상기 날개는, 상기 중심축의 일측 끝단에서 바라볼 때 일자형 또는 나선형으로 이루어진 전지모듈.
- 제 8 항 또는 제 9 항에 있어서, 상기 덕트의 내측면에는 회전하는 차단막을 정지시키기 위한 돌출부가 형성되어 있는 전지모듈.
- 제 11 항에 있어서, 상기 돌출부는 상기 덕트의 일부가 내측으로 만입된 형태이거나, 또는 덕트의 내측면에 돌기가 부착된 구조로 이루어진 전지모듈.
- 제 1 항에 따른 전지모듈을 포함하는 전지팩.
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AU2021248343A AU2021248343A1 (en) | 2020-04-01 | 2021-02-26 | Battery module including gas cutoff structure |
EP21780259.4A EP4084191A4 (en) | 2020-04-01 | 2021-02-26 | BATTERY MODULE WITH GAS BREAKER STRUCTURE |
US17/794,396 US20230052417A1 (en) | 2020-04-01 | 2021-02-26 | Battery module including gas cutoff structure |
JP2022530287A JP7317233B2 (ja) | 2020-04-01 | 2021-02-26 | ガス遮断構造体を含む電池モジュール |
CN202180009135.2A CN114982043A (zh) | 2020-04-01 | 2021-02-26 | 包括气体切断结构的电池模块 |
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KR1020200039868A KR20210122559A (ko) | 2020-04-01 | 2020-04-01 | 가스 차단 구조체를 포함하는 전지모듈 |
KR10-2020-0039868 | 2020-04-01 |
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EP (1) | EP4084191A4 (ko) |
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KR (1) | KR20210122559A (ko) |
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CA3209548A1 (en) * | 2021-10-18 | 2023-04-27 | Sung-Hwan Jang | Battery module and battery pack with improved safety |
KR20230076014A (ko) * | 2021-11-23 | 2023-05-31 | 주식회사 엘지에너지솔루션 | 안전성이 향상된 배터리 팩 |
AU2022427414A1 (en) * | 2021-12-27 | 2024-03-14 | Lg Energy Solution, Ltd. | Battery pack, and ESS and vehicle including the same |
KR102660087B1 (ko) * | 2021-12-27 | 2024-04-23 | 주식회사 엘지에너지솔루션 | 배터리 팩, 그리고 이를 포함하는 ess 및 자동차 |
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JP2023505029A (ja) | 2023-02-08 |
EP4084191A1 (en) | 2022-11-02 |
EP4084191A4 (en) | 2023-08-09 |
US20230052417A1 (en) | 2023-02-16 |
CN114982043A (zh) | 2022-08-30 |
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