WO2024019504A1 - 가스 포집 장치 - Google Patents
가스 포집 장치 Download PDFInfo
- Publication number
- WO2024019504A1 WO2024019504A1 PCT/KR2023/010359 KR2023010359W WO2024019504A1 WO 2024019504 A1 WO2024019504 A1 WO 2024019504A1 KR 2023010359 W KR2023010359 W KR 2023010359W WO 2024019504 A1 WO2024019504 A1 WO 2024019504A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- gas
- jig
- battery
- housing
- punching
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2226—Sampling from a closed space, e.g. food package, head space
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0011—Sample conditioning
- G01N33/0014—Sample conditioning by eliminating a gas
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0011—Sample conditioning
- G01N33/0018—Sample conditioning by diluting a gas
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0011—Sample conditioning
- G01N33/0019—Sample conditioning by preconcentration
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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
- H01M10/04—Construction or manufacture in general
- H01M10/0422—Cells or battery with cylindrical casing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2226—Sampling from a closed space, e.g. food package, head space
- G01N2001/2238—Sampling from a closed space, e.g. food package, head space the gas being compressed or pressurized
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0011—Sample conditioning
- G01N33/0016—Sample conditioning by regulating a physical variable, e.g. pressure or temperature
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Definitions
- the present invention relates to a gas collection device, and may relate to a gas collection device capable of collecting gas at an appropriate level for batteries having cases made of rigid materials of various specifications, especially cylindrical batteries.
- secondary batteries are batteries that can be used repeatedly through a discharge and reverse charging process that converts chemical energy into electrical energy.
- Types include nickel-cadmium (Ni-Cd) batteries and nickel-hydrogen (Ni-MH) batteries.
- Ni-Cd nickel-cadmium
- Ni-MH nickel-hydrogen
- ) batteries lithium-metal batteries, lithium-ion (Li-ion) batteries, and lithium-ion polymer batteries (Li-ion Polymer Battery).
- lithium secondary batteries with high energy density and voltage, long cycle life, and low self-discharge rate have been commercialized and are widely used.
- lithium secondary batteries deteriorate with repeated charging and discharging, generating a large amount of gas due to electrolyte decomposition, and this pattern varies depending on the design and type of use of the battery. Therefore, inferring the battery's deterioration mechanism by analyzing the gas generated inside the battery must be performed in the battery development process.
- the battery As a method for collecting gas generated inside a secondary battery, the battery is accommodated in a diffusion chamber with a closed space formed inside, an opening for gas discharge is formed in the battery case, and then the gas discharged through the opening is discharged into the diffusion chamber.
- a method of collecting the diffused gas in a separate gas collection container is used. For high concentration gas collection, it may be most desirable to have no gap between the internal space of the cell and the diffusion chamber.
- batteries are used in a wide range of industrial fields, and depending on various battery application environments and conditions, the performance required for the battery also varies, and the battery can be designed to various specifications.
- diffusion chambers for gas collection were used individually depending on the battery size, making it difficult to manufacture or install a new battery every time the battery model changed. Additionally, if there was no gap between the battery and the space inside the diffusion chamber, it was difficult to remove the battery from the diffusion chamber.
- the concentration of the gas delivered to the analysis device or stored in the gas collection container varies greatly depending on the volume of the diffusion chamber, the size of the cell (analyte target material), and the amount of gas generated, etc., which affected the analysis results.
- a means is needed to adjust the concentration of the gas delivered to the analysis device or stored in the gas collection container to a concentration optimized for analysis.
- the present invention relates to a gas collection device, and is intended to provide a gas collection device capable of collecting gas at an appropriate concentration for batteries having cases made of rigid materials of various specifications, especially cylindrical batteries.
- an external housing accommodating the inner jig therein so that the outer circumferential surface of the inner jig is in close contact with the inner circumferential surface;
- a gas discharge pipe connected to the external housing and delivering gas generated from the battery to a gas collection pipe or gas analysis device provided outside the external housing;
- a punching portion located at the upper end of the external housing and forming a perforated hole for gas discharge on the upper surface of the battery;
- the punching unit may include a punching driving unit that provides driving force for driving in the vertical direction.
- the gas collection device of the present invention may improve gas collection accuracy and analyst convenience by automating gas collection and high-concentration gas dilution.
- the gas collection device of the present invention may be one in which batteries can be easily installed, removed, or replaced when collecting gas.
- the gas collection device of the present invention detects whether punching is completed based on the depth or pressure change of the punching needle to prevent short circuit inside the battery, thereby improving stability during gas collection.
- the gas collection device of the present invention can easily adjust the concentration of the gas to be collected depending on the gas analysis target, situation, and conditions during gas collection. Specifically, the gas collection device of the present invention can selectively collect gas from high to low concentration and measure the degree of dilution or concentration.
- FIG. 1 is a perspective view showing a gas collection device of the present invention.
- FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1.
- FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1.
- Figure 4 is a cross-sectional view showing the operation of the punching unit.
- Figure 5 is a cross-sectional view showing the separation of the internal jig.
- Figure 6 is a perspective view showing the internal jig.
- Figure 7 is a block diagram showing the gas collection device of the present invention.
- Figure 8 is a block diagram showing the gas collection method of the present invention.
- an external housing accommodating the inner jig therein so that the outer circumferential surface of the inner jig is in close contact with the inner circumferential surface;
- a gas discharge pipe connected to the external housing and delivering gas generated from the battery to a gas collection pipe or gas analysis device provided outside the external housing;
- a punching portion located at the upper end of the external housing and forming a perforated hole for gas discharge on the upper surface of the battery;
- the punching unit may include a punching driving unit that provides driving force for driving in the vertical direction.
- the punching part is inserted into the outer housing through a needle insertion hole provided at the upper end of the external housing, and the lower end perforates the upper surface of the battery to form a perforated hole in the upper surface of the battery.
- It includes a punching needle, a punching rod in which the upper end of the punching needle is coupled to the lower end and moves up and down by the punching drive unit, and a sealing cover surrounding the outer peripheral surface of the punching rod and the lower end of which is coupled to the upper end of the external housing. It may be.
- the sealing cover is provided with a bellows extending or contracting in the vertical direction, the upper end of the sealing cover is coupled to the moving member of the punching drive unit together with the upper end of the punching rod, and the sealing cover The lower end covers the needle insertion hole and may be coupled to the upper end of the external housing.
- the punching drive unit includes a moving member to which the upper end of the sealing cover and the upper end of the punching rod are fixed, a support member fixed to the outer peripheral surface of the external housing, and a support member fixed to the support member to move the moving member. It may include a driving means that moves the member in the vertical direction.
- the driving means includes a shaft extending in the vertical direction and having a screw thread on an outer peripheral surface, and a motor that rotates the shaft while supported on the support member, and the moving member includes the shaft.
- a shaft insertion hole is formed into which the shaft is inserted, and a thread engaging with the thread of the shaft may be formed on the inner peripheral surface of the shaft insertion hole.
- the outer housing includes an upper housing in which the upper end of the inner jig is accommodated therein, and a lower housing in which the lower end of the inner jig is accommodated therein, and the needle is located on the upper surface of the upper housing.
- An insertion hole is formed, and the punching part covers the needle insertion hole on the outside of the upper housing and may be coupled to the upper surface of the upper housing.
- the internal jig includes an upper jig provided with a battery insertion hole into which the upper end of the battery is inserted, and a lower jig provided with a battery insertion groove on the upper surface into which the lower end of the battery is inserted,
- the battery insertion hole is formed to penetrate the upper jig in a vertical direction, the upper opening of the battery insertion hole faces the needle insertion hole on the inside of the upper housing, and the lower opening of the battery insertion hole is of the battery insertion groove. It may be facing the entrance.
- the gas discharge pipe is coupled to the side of the lower housing, and the upper jig is equipped with a gas discharged from the inside of the battery through the perforated hole and diffused into the inside of the upper housing.
- a first flow path may be formed to transmit the gas received through the first flow path to the gas discharge pipe, and a second flow path may be formed in the lower jig.
- the upper surface of the upper jig is spaced apart from the ceiling surface at a certain distance inside the upper housing, the upper jig and the lower jig are provided in a pillar shape extending in the vertical direction, and the first flow path is formed as a groove extending from the upper end of the upper jig to the lower end on the outer surface of the upper jig, and the second flow path is on the outer surface of the lower jig, where the gas discharge pipe is connected to the lower housing at the upper end of the lower jig. It may be formed as a groove that extends to the height.
- the upper jig and the lower jig are provided in a cylindrical shape extending in the vertical direction, and a ring-shaped groove is provided along the outer peripheral surface at the lower end of the side of the upper jig or the upper end of the lower jig.
- a first connection flow path may be formed, and the lower end of the first flow path and the upper end of the second flow path may be connected to the first connection flow path.
- a second connection passage is formed in a ring-shaped groove along the outer peripheral surface of the lower jig, a lower end of the second passage is connected to the second connection passage, and the second connection passage is connected to the second connection passage.
- the height of may be the same as the height at which the gas discharge pipe is connected to the lower housing.
- the gas collection device of the present invention may further include a pressure sensor that measures the pressure inside the external housing, and the punching drive unit may be operated based on the measured value of the pressure sensor.
- a manifold unit connected to the gas discharge pipe to receive gas generated from the battery from the external housing;
- a dilution tank unit connected to the manifold unit to dilute the gas delivered to the manifold unit;
- a vacuum pump unit connected to the manifold unit to create a vacuum in the dilution tank unit;
- the pressure sensor may be connected to the manifold unit.
- a first valve provided in the gas discharge pipe to block or open the flow of gas flowing through the gas discharge pipe to the manifold unit;
- a second valve that blocks or opens a flow path between the dilution tank portion and the manifold portion
- a third valve that blocks or opens a flow path between the vacuum pump unit and the manifold unit;
- a fourth valve provided in the gas transmission pipe to block or open the flow of gas flowing through the gas transmission pipe to the gas collection pipe or the gas collection device;
- It may include a fifth valve provided in the gas exhaust pipe to block or open the flow of gas exhausted to the outside through the gas exhaust pipe.
- It may include a gas collection step of opening the fourth valve and delivering gas to the gas collection pipe or the gas analysis device.
- the terms “center”, “top”, “bottom”, “left”, “right”, “vertical”, “horizontal”, “inside”, “outside”, “one side” The orientation or positional relationship indicated by “, “other side”, etc. is based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship normally placed when using the product of the present invention, and is for the purpose of explanation and brief explanation of the present invention. However, it does not suggest or imply that the displayed device or element must necessarily be constructed or operated in a specific orientation and should not be construed as limiting the present invention.
- FIG. 1 is a perspective view showing a gas collection device of the present invention.
- FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1.
- FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1.
- Figure 4 is a cross-sectional view showing the operation of the punching unit 300.
- Figure 5 is a cross-sectional view showing the separation of the internal jig 100.
- Figure 6 is a perspective view showing the internal jig 100.
- Figure 7 is a block diagram showing the gas collection device of the present invention.
- Figure 8 is a block diagram showing the gas collection method of the present invention.
- the battery 11 that is the target of gas collection may be a cylindrical battery. More specifically, it may be a battery in which gas is generated inside the battery case as a result of charging or discharging or specific conditions (temperature, shock, vibration, etc.).
- the gas collection device of the present invention may form a perforated hole by perforating one end of the battery 11 where gas is generated inside the battery case, and collect the gas inside the battery case discharged through the perforated hole.
- the gas collection device of the present invention As shown in Figures 1 to 3, the gas collection device of the present invention,
- an external housing 200 that accommodates the inner jig 100 so that the outer circumferential surface of the inner jig 100 is in close contact with the inner circumferential surface;
- a gas discharge pipe 221 is connected to the external housing 200 and transmits the gas generated from the battery 11 to the gas collection pipe 12 or the gas analysis device 13 provided outside the external housing 200. );
- a punching portion 300 located at the upper end of the external housing 200 and forming a perforated hole for gas discharge on the upper surface of the battery 11;
- the punching unit 300 may include a punching driving unit 400 that provides driving force for driving in the vertical direction.
- the gas collection device of the present invention provides a plurality of internal jigs 100 with different inner diameters for each type of battery for batteries 11 of various specifications, so that even if the specifications of the battery 11 are different, the external housing ( 200), the volume of space in which the gas diffuses may be the same.
- the punching unit 300 which forms the perforated hole in the battery 11, operates automatically through the punching drive unit 400, so that it is possible to form the perforated hole precisely and stably.
- the gas collection device of the present invention may form a perforated hole at one end of the cylindrical battery 11 as a punching portion 300 and collect gas discharged from the battery 11 through the perforated hole.
- the gas collection target may be a cylindrical battery 11, and the internal jig 100 and external housing 200 may also be provided in a cylindrical shape.
- the punching part 300 is inserted into the interior of the external housing 200 through the needle insertion hole 211 provided at the upper end of the external housing 200 and is inserted into the lower end.
- a punching needle 310 perforates the upper surface of the battery 11 to form a perforated hole in the upper surface of the battery 11, and the upper end of the punching needle 310 is coupled to the lower end, and the punching drive unit 400 It may include a punching rod 320 that moves in the vertical direction, and a sealing cover 330 that surrounds the outer peripheral surface of the punching rod 320 and whose lower end is coupled to the upper end of the external housing 200.
- the punching needle 310 may be a rigid member with a sharp lower end.
- the punching needle 310 may be linearly movable in the vertical direction. When the punching needle 310 moves downward, the sharp lower end of the punching needle 310 may be inserted into the upper end of the battery 11 to form a perforated hole in the battery case.
- the punching rod 320 may have a lower end coupled to the upper end of the punching needle 310 and move in the vertical direction together with the punching needle 310.
- the punching rod 320 may be provided in a bar shape extending in the vertical direction.
- the punching rod 320 can be made of a rigid, highly chemical-resistant material.
- the sealing cover 330 is provided with a bellows that extends or contracts in the vertical direction, and the upper end of the sealing cover 330 is connected to the moving member 410 of the punching drive unit 400 along with the upper end of the punching rod 320. , and the lower end of the sealing cover 330 covers the needle insertion hole 211 and may be coupled to the upper end of the external housing 200.
- the punching needle 310 may be provided in a cylindrical shape with a sharp lower end
- the punching rod 320 may be provided in a cylindrical shape with a larger diameter than the punching needle 310.
- a needle insertion hole 211 is formed on the upper surface of the external housing 200 and penetrates the ceiling of the external housing 200, and the punching needle 310 can be inserted into the needle insertion hole 211.
- the punching needle 310 may approach the upper end of the battery 11 located inside the external housing 200 through the needle insertion hole 211 to form a perforated hole.
- a guide member 212 may be provided on the upper surface of the external housing 200 to guide the vertical movement of the punching rod 320.
- a rod guide hole 212a is provided in the guide member 212 in the vertical direction of the guide member 212, and a punching rod 320 can be inserted into the rod guide hole 212a.
- the lower opening of the rod guide hole 212a may face the upper opening of the needle insertion hole 211.
- the outer diameter of the punching rod 320 and the inner diameter of the rod guide hole 212a may be identical.
- the lower end of the sealing cover 330 is coupled to the upper end of the guide member 212, and more specifically, the lower end of the sealing cover 330 covers the upper opening of the rod guide hole 212a and is attached to the upper end of the guide member 212. can be combined
- the sealing cover 330 can prevent gases inside and outside the external housing 200 from being ventilated through the rod guide hole 212a.
- the punching drive unit 400 includes a moving member 410 to which the upper end of the sealing cover 330 and the upper end of the punching rod 320 are fixed, and the external housing 200 ) may include a support member 420 fixed to the outer peripheral surface of the support member 420 and a driving means 430 that is fixed to the support member 420 and moves the moving member 410 in the vertical direction.
- the moving member 410 moves in the vertical direction through the driving force of the club member, and more specifically, may transmit the driving force of the driving means 430 to the punching needle 310.
- the punching needle 310 is fixed to the moving member 410 through the punching rod 320, and as the moving member 410 moves up and down, the punching needle 310 moves up and down together with the moving member 410. You can move in any direction.
- the moving member 410 is provided in the shape of a bar extending in a direction perpendicular to the vertical direction, and the punching rod 320 and the upper end of the silicon cover are coupled to one end, and the driving means 430 is coupled to the other end. You can.
- the moving member 410 may be provided with a guide means (not shown) that is supported by the external housing 200 and guides the upward and downward movement of the moving member 410. The moving member 410 may move while sliding in the up and down direction while in contact with the guide means.
- the support member 420 may be fixed to the external housing 200.
- the support member 420 supports the driving means 430 and can prevent the driving means 430 from changing its position relative to the external housing 200 .
- the punning needle can approach or move away from the battery 11.
- the driving means 430 includes a shaft 431 extending in the vertical direction and having a screw thread on the outer peripheral surface, and a motor 432 that rotates the shaft 431 while supported on the support member, A shaft insertion hole 411 into which the shaft 431 is inserted is formed in the moving member 410, and a thread engaging with the thread of the shaft 431 may be formed on the inner peripheral surface of the shaft insertion hole 411. there is.
- the shaft 431 may extend in the vertical direction and rotate with the vertical direction, which is the longitudinal direction, as the rotation axis.
- the shaft 431 may have a constant relative position with the support member 420. Since the screw thread of the shaft insertion hole 411 provided in the moving member 410 is structured to engage with the thread of the shaft 431, when the shaft 431 rotates, the moving member 410 can move in the vertical direction. . When the shaft 431 rotates, the moving member 410 may be prevented from rotating with the shaft 431 by the guide means.
- the motor 432 may provide driving force to rotate the shaft 431.
- the gas collection device of the present invention can be used with precision because it converts rotational motion into linear motion when the punching needle 310 moves. A decrease in control over the insertion depth of the punching needle 310 may cause a short circuit in the electrode and cause an accident.
- the gas collection device of the present invention may be capable of stable operation by preventing accidents through precise manipulation of the punching needle 310.
- the gas collection device of the present invention can measure the vertical height of the punching needle 310 by detecting the rotation amount of the shaft 431.
- an encoder, a control unit, etc. may be connected to the motor 432 to measure and record the rotation amount of the shaft 431.
- the outer housing 200 includes an upper housing 210 in which the upper end of the inner jig 100 is accommodated therein, and a lower end of the inner jig 100 therein. It includes a lower housing 220 to be accommodated, and the needle insertion hole 211 is formed on the upper surface of the upper housing 210, and the punching part 300 is formed on the outside of the upper housing 210 to insert the needle. It may cover the hole 211 and be coupled to the upper surface of the upper housing 210.
- the upper housing 210 Inside the upper housing 210, a space is provided where the lower end is open, and a space is provided where the upper end of the lower housing 220 is open, and the lower end of the upper housing 210 and the upper end of the lower housing 220 contact each other.
- the two spaces can be formed into one sealed space, and the internal jig 100 can be accommodated in the sealed space.
- the upper housing 210 and the lower housing 220 may be provided in a cylindrical shape extending vertically. At this time, a ring-shaped first protrusion 215 protruding in the radial direction is formed at the lower end of the outer peripheral surface of the upper housing 210, and a ring-shaped second protrusion 215 protruding in the radial direction is formed at the upper end of the outer peripheral surface of the lower housing 220. A protrusion 225 may be formed.
- the lower side of the first protrusion 215 and the upper side of the second protrusion 225 are in close contact with each other, thereby improving the airtightness of the closed space formed by combining the upper housing 210 and the lower housing 220.
- a sealing member such as an O-ring or a gasket may be inserted between the first protrusion 215 and the second protrusion 225 to further improve airtightness.
- a plurality of first fixing holes 215a are provided in the first protrusion 215, and a plurality of second fixing holes 215a are provided in the second protrusion 225.
- a hole 225a is provided, and a fixing member (not shown) is simultaneously inserted into the first fixing hole 215a and the second fixing hole 225a to fix the coupling between the upper housing 210 and the lower housing 220.
- the fixing member may be a bolt provided with a thread, and the inner peripheral surface of the first fixing hole 215a or the second fixing hole 225a may be provided with a screw thread for screwing with the fixing member.
- the position of one of the upper housing 210 and the lower housing 220 is fixed, and the other, which is not fixed, is connected to the fixed one.
- a coupling means (not shown) that presses to the side
- the coupling between the upper housing 210 and the lower housing 220 can be fixed.
- the lower housing 220 may be fixed to a supporter (not shown), and a pneumatic actuator may be connected to the upper end of the upper housing 210 as the coupling means.
- the pneumatic actuator applies a downward force to the upper housing 210, and the lower end of the upper housing 210 may be fixed in close contact with the upper end of the lower housing 220 by the force applied by the actuator.
- the upper housing 210 and the lower housing 220 may be made of SUS material.
- the inner jig 100 includes an upper jig 110 provided with a battery insertion hole 111 into which the upper end of the battery 11 is inserted, and a battery insertion groove on the upper surface into which the lower end of the battery 11 is inserted. 121) is provided, and the battery insertion hole 111 is formed to penetrate the upper jig 110 in the vertical direction, and the upper opening of the battery insertion hole 111 is provided at the upper jig 111.
- the inside of the housing 210 faces the needle insertion hole 211, and the lower opening of the battery insertion hole 111 may face the entrance of the battery insertion groove 121.
- the upper jig 110 and lower jig 120 may be provided in a cylindrical shape extending in the vertical direction.
- the outer diameters of the upper jig 110 and the lower jig 120 match the inner diameters of the upper housing 210 and the lower housing 220, so that the outer peripheral surface of the upper jig 110 and the inner peripheral surface of the upper housing 210 are in close contact with each other.
- the outer peripheral surface of the lower jig 120 and the inner peripheral surface of the lower housing 220 may be in close contact with each other.
- the vertical length of the upper jig 110 is longer than the vertical length of the inner space of the upper housing 210, and the vertical length of the lower jig 120 is It may be shorter than the vertical length of the inner space of the lower housing 220. Accordingly, the coupling portion between the upper jig 110 and the lower jig 120 may be located lower than the coupling portion between the upper housing 210 and the lower housing 220. Therefore, in the process of coupling the inner jig 100 to the outer housing 200, the upper jig 110 and the lower jig 120 are simultaneously fixed to the lower housing 220, and then the upper housing 210 is connected to the lower housing 220. It can be stably connected to the upper part.
- a battery insertion hole 111 may be provided as a space in which the battery 11 is accommodated. Accordingly, the internal space in the upper jig 110 may be a space in which both the upper and lower ends are open.
- the upper opening of the battery insertion hole 111 allows the punching needle 310 to access the upper end of the battery 11, and the lower opening of the battery insertion hole 111 is the space formed by the battery insertion hole 111. This may be so that the space formed by the battery insertion groove 121 can be combined into one space.
- a battery insertion groove 121 may be provided as a space in which the battery 11 is accommodated.
- the opening of the battery insertion groove 121 may be provided on the upper surface of the lower jig 120. Therefore, when the upper jig 110 and the lower jig 120 are coupled so that the lower end of the upper jig 110 and the upper end of the lower jig 120 face each other, the battery insertion hole 111 is divided into a space and a battery insertion groove ( The spaces 121) may be combined to form one space for accommodating one battery 11.
- the upper jig 110 and lower jig 120 may be made of Teflon material.
- a jig separation portion 230 may be provided at the lower end of the lower housing 220 to separate the lower jig 120 from the lower housing 220.
- the jig separator 230 has a disk-shaped support plate 231 whose upper surface is in contact with the lower surface of the lower jig 120, and an upper end coupled to the lower surface of the support plate 231.
- a support bar 232 whose lower end protrudes out of the lower housing 220 through a through hole 223 provided on the bottom of the lower housing 220, and a support plate 231 coupled to the lower end of the support bar 232.
- a pneumatic cylinder 233 that moves the support rod 232 in the vertical direction.
- the support plate 231 may be provided in a disk shape with a plane perpendicular to the vertical direction, and the support bar 232 may be provided in a rod shape extending in the vertical direction.
- the diameter of the support plate 231 is larger than the outer diameter of the support bar 232, and supports the bottom surface of the lower jig 120 over a larger area than the support bar 232 directly contacting the lower jig 120.
- the lower jig 120 can be raised upward.
- the through hole 223 includes a first through hole 223a whose upper opening is located inside the lower housing 220, and a second through hole 223b whose lower opening is located outside the lower housing 220. And, the lower opening of the first through hole 223a may be connected to the upper opening of the second through hole 223b.
- the inner diameter of the first through hole 223a may be larger than or equal to the diameter of the support plate 231 so that the support plate 231 can be completely embedded in the bottom of the lower housing 220.
- the length of the first through hole 223a in the vertical direction may be greater than or equal to the thickness of the support plate 231.
- the inner diameter of the second through hole 223b is formed to be the same as the outer diameter of the support bar 232, so that the outer circumferential surface of the support bar 232 is completely adhered to the inner circumferential surface of the second through hole 223b and is formed inside the external housing 200.
- the confidentiality of space can be improved.
- the gas discharge pipe 221 is coupled to the side of the lower housing 220, and is discharged from the inside of the battery 11 through the perforated hole in the upper jig 110 to the upper housing.
- a first flow path 115 is formed to transfer the gas diffused inside the lower housing 220 to the inside of the lower jig 120, and the gas received through the first flow path 115 is formed in the lower jig 120.
- a second flow path 125 may be formed that delivers gas to the gas discharge pipe 221.
- the upper surface of the upper jig 110 is spaced apart from the ceiling surface at a certain distance inside the upper housing 210, and the upper jig 110 and lower jig 120 are provided in the shape of a pillar extending in the vertical direction,
- the first passage 115 is formed as a groove extending from the upper end to the lower end of the upper jig 110 on the outer surface of the upper jig 110, and the second passage 125 is of the lower jig 120.
- a groove extending from the upper end of the lower jig 120 to a height where the gas discharge pipe 221 is connected to the lower housing 220 may be formed.
- the upper jig 110 and the lower jig 120 are provided in a cylindrical shape extending in the vertical direction, and the lower end of the side of the upper jig 110 or the upper end of the lower jig 120 has a ring shape along the outer peripheral surface.
- a first connection passage 117 provided as a groove is formed, and the lower end of the first passage 115 and the upper end of the second passage 125 may be connected to the first connection passage 117.
- a second connection passage 127 is formed as a ring-shaped groove along the outer peripheral surface of the lower jig 120, and the lower end of the second passage 125 is connected to the second connection passage 127.
- the height of the second connection passage 127 may be the same as the height at which the gas discharge pipe 221 is connected to the lower housing 220.
- the gas discharge pipe 221 is provided with a tube, hose, or piping, and may be used to deliver gas generated from the battery 11 to the gas collection pipe 12 or the gas analysis device 13.
- the gas collection pipe 12 may be a container in which an airtight sealed space is formed to store gas.
- the gas analysis device 13 may be a device that receives gas and analyzes gas components, amount, etc. That is, the gas collection device of the present invention may be used to directly transfer the gas to the gas analysis device 13 or store it in the gas collection tube 12 in order to qualitatively or quantitatively analyze the gas generated in the battery 11. there is.
- It may further include a pressure sensor 570 that measures the pressure inside the external housing 200, and the punching driver 400 may be operated based on the measured value of the pressure sensor 570.
- the battery 11 that is the target of gas collection may be a battery 11 with gas generated therein. Therefore, when a perforated hole is formed in the battery 11 by the punching needle 310, the gas inside the battery 11 diffuses into the external housing 200 through the perforated hole, and the internal space of the external housing 200 Pressure can be increased.
- the gas collection device of the present invention can detect the formation of a perforated hole and raise the punching needle 310 to separate it from the battery 11.
- a manifold unit 500 connected to the gas discharge pipe 221 and receiving gas generated from the battery 11 from the external housing 200;
- a dilution tank unit 520 connected to the manifold unit 500 to dilute the gas delivered to the manifold unit 500;
- a vacuum pump unit 530 connected to the manifold unit 500 to create a vacuum in the dilution tank unit 520;
- the manifold unit 500 may connect connected flow paths.
- the dilution tank unit 520 may be a container in which a sealed space is formed.
- the gas collection device of the present invention makes the internal pressure of the gas collection pipe 12 or the gas collection device lower than that inside the external housing 200 through the vacuum pump unit 530, thereby causing gas diffusion through the pressure difference. It may be moving .
- the dilution tank unit 520 is connected to the flow path connecting the external housing 200 and the gas collection pipe 12 or the gas analysis device 13 through the manifold unit 500, and when the gas moves, the gas The diffusion space can be expanded through the dilution tank unit 520 to dilute high-concentration gas to a level suitable for gas analysis.
- the gas collection device of the present invention is basically capable of collecting high concentration gas by filling the internal space of the external housing 200 through the internal jig 100, and can be adjusted to a gas concentration suitable for analysis through the dilution tank unit 520. It could be. That is, the gas collection device of the present invention has a high degree of freedom in controlling gas concentration.
- a vacuum may be formed inside the dilution tank unit 520 through a vacuum pump.
- the vacuum pump unit 530 may be used to generate negative pressure in the gas collection pipe 12, the gas analysis device 13, the dilution tank, etc.
- the gas transmission pipe 540 is a pipe for forming a flow path and may be used for gas transmission between the manifold unit and the gas collection pipe 12 or the gas analysis device 13.
- a first valve 501 provided in the gas discharge pipe 221 to block or open the flow of gas flowing to the manifold unit 500 through the gas discharge pipe 221;
- a second valve 502 that blocks or opens a flow path between the dilution tank unit 520 and the manifold unit 500;
- a third valve 503 that blocks or opens a flow path between the vacuum pump unit 530 and the manifold unit 500;
- a fourth valve 504 provided in the gas transmission pipe 540 to block or open the flow of gas flowing through the gas transmission pipe 540 to the gas collection pipe 12 or the gas collection device;
- a gas exhaust pipe 550 connected to the manifold unit 500 to exhaust the gas delivered to the manifold unit 500 to the outside;
- It may include a fifth valve 505 provided in the gas exhaust pipe 550 to block or open the flow of gas exhausted to the outside through the gas exhaust pipe 550.
- the first valve 501, the second valve 502, the third valve 503, the fourth valve 504, and the fifth valve 505 may be electromagnetic valves.
- the electromagnetic valve is connected to a control unit and can be controlled via the control unit.
- the control unit may be a computing device.
- a pressure sensor 570, a motor 432, an encoder, etc. are connected to the control unit, and the first valve 501, the second valve 502, and the first valve 501, the second valve 502, and the like are connected based on the pressure value or the operating value of the punching unit 300.
- the third valve 503, the fourth valve 504, and the fifth valve 505 can be operated.
- the gas exhaust pipe 550 has one end connected to the manifold unit 500 and the other end open to the atmosphere or connected to a scrubber, etc., and may be used to temporarily relieve high pressure or in a purge mode.
- the fifth valve 505 may be a relief valve.
- It may include a gas collection step of opening the fourth valve 504 and delivering gas to the gas collection pipe 12 or the gas analysis device 13.
- the gas collection method of the present invention may further include a step of mounting the cell 11 before the vacuum forming step.
- the upper end of the battery 11 may be inserted into the upper jig 110 and the lower end may be inserted into the lower jig 120 to be coupled to the inner jig 100.
- the battery 11 may be combined with the inner jig 100 so that the lower end of the upper jig 110 and the upper end of the lower jig 120 are in close contact.
- the upper and lower housings 210 and 220 are respectively covered with the upper and lower parts of the internal jig 100 coupled with the battery 11, and the lower portion of the upper housing 210 and The upper housing 210 and the lower housing 220 are coupled to each other so that the upper ends of the upper housing 210 are in close contact with each other, so that the inner jig 100 can be accommodated inside the outer housing 200.
- a vacuum may be formed by operating the vacuum pump unit 530 while the first valve 501, the second valve 502, and the third valve 503 are open.
- the fourth valve 504 is also opened in the vacuum forming step, so that a vacuum can also be formed in the gas collection space provided in the gas collection pipe 12 or the gas analysis device 13.
- the fifth valve 505 may be in a closed state.
- the punching driver 400 may lower the punching needle 310 to form a hole in the battery 11.
- the second valve 502 and the third valve 503 may be in a closed state.
- control unit may receive the pressure measurement value from the pressure sensor 570 and calculate the pressure change value over time.
- the fourth valve 504 is opened, and if necessary, the second valve 502 can be opened to dilute the collected gas.
- the dilution tank unit 520 and the second valve 502 are provided in plural pairs, and each of the plurality of dilution tank units 520 is connected to the manifold unit.
- the gas flow with 500 is independently opened or closed by the plurality of second valves 502, and the gas collecting step is,
- the measured value of the pressure sensor 570 is less than the set pressure value, it is judged as normal concentration and collection is completed. If it is more than the set pressure value, it is judged as high concentration and some of the plurality of second valves 502 or a first dilution step to open the whole;
- the measured value of the pressure sensor 570 is less than the set pressure value, it is judged as normal concentration and collection is completed. If it is more than the set pressure value, it is judged as high concentration, and the plurality of agents opened in the first dilution step are determined to be high concentration.
- It may include a secondary collection step of closing the third valve 503 and opening some or all of the fourth valve and the plurality of second valves 502 that were closed in the secondary dilution step.
- the first set time and the second set time are determined in consideration of the speed at which gas diffuses, and the set pressure may be determined by specifications of a gas analysis device that analyzes the collected gas.
- control of selective opening or closing of the plurality of second valves 502 is controlled by the capacity of the dilution tank 520, the measured value of the pressure sensor, etc. It can be decided by taking into account .
- a purge step and a separation step may be further included.
- the inside of the external housing 200 can be purged by injecting purge gas into the manifold unit 500 with the first valve 501 and the fifth valve 505 opened.
- the separation step the upper housing 210 and the upper jig 110 are separated from the battery 11, and then the jig separation unit 230 is operated to discharge the lower jig 120 from the lower housing 220. .
- 11...cell, 12...gas collection tube, 13...gas analysis device 100...inner jig, 110...upper jig, 111...cell insertion hole, 115...first Flow path, 117... first connection flow path, 120... lower jig, 121... battery insertion groove, 125... second flow path, 127... second connection flow path, 200... external housing, 210... upper housing, 211... needle insertion hole, 212... guide member, 212a... rod guide hole, 215... first protrusion, 215a... first fixing hole, 220...
- the gas collection device of the present invention may improve gas collection accuracy and analyst convenience by automating gas collection and high-concentration gas dilution.
- the gas collection device of the present invention may be one in which batteries can be easily installed, removed, or replaced when collecting gas.
- the gas collection device of the present invention detects whether punching is completed based on the depth or pressure change of the punching needle to prevent short circuit inside the battery, thereby improving stability during gas collection.
- the gas collection device of the present invention can easily adjust the concentration of the gas to be collected depending on the gas analysis target, situation, and conditions during gas collection. Specifically, the gas collection device of the present invention can selectively collect gas from high to low concentration and measure the degree of dilution or concentration.
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Abstract
Description
Claims (15)
- 상면에 전지가 삽입되는 전지 안착 홈이 형성되는 내부 지그;내주면에 상기 내부 지그의 외주면이 밀착되도록 상기 내부 지그를 내부에 수용하는 외부 하우징;상기 외부 하우징에 연결되며 상기 전지에서 발생한 가스를 상기 외부 하우징 외부에 마련되는 가스 포집관 또는 가스 분석 장치로 전달하는 것인 가스 배출관;상기 외부 하우징의 상단부에 위치하며 상기 전지의 상기 상면에 가스 배출을 위한 타공홀을 형성하는 펀칭부; 및상기 펀칭부가 상하방향으로 구동하기 위한 구동력을 제공하는 펀칭 구동부를 포함하는 것인 가스 포집 장치.
- 제1항에 있어서,상기 펀칭부는,상기 외부 하우징의 상단부에 마련되는 니들 삽입홀을 통해 상기 외부 하우징의 내부로 삽입되며 하단부가 상기 전지의 상면을 타공하여 상기 전지의 상면에 타공홀을 형성하는 펀칭 니들과,하단부에 상기 펀칭 니들의 상단부가 결합되며 상기 펀칭 구동부에 의해서 상하방향으로 이동하는 펀칭 로드와,상기 펀칭 로드의 외주면을 둘러싸고 하단부가 상기 외부 하우징의 상단부에 결합되는 실링 커버를 포함하는 것인 가스 포집 장치.
- 제2항에 있어서,상기 실링 커버는 상하방향으로 연장 또는 수축되는 벨로우즈로 마련되고,상기 실링 커버의 상단부는 상기 펀칭 로드의 상단부와 함께 상기 펀칭 구동부의 이동 부재에 결합되고,상기 실링 커버의 하단부는 상기 니들 삽입홀을 덮으며 상기 외부 하우징의 상단부에 결합되는 것인 가스 포집 장치.
- 제2항에 있어서,상기 펀칭 구동부는,상기 실링 커버의 상단부 및 상기 펀칭 로드의 상단부가 고정되는 이동 부재와,상기 외부 하우징의 외주면에 고정되는 지지 부재와,상기 지지 부재에 고정되어 상기 이동 부재를 상하 방향으로 이동시키는 구동 수단을 포함하는 것인 가스 포집 장치.
- 제4항에 있어서,상기 구동 수단은,상하방향으로 연장되고 외주면에 나사산이 마련되는 샤프트와,상기 지지부재에 지지된 상태로 상기 샤프트를 회전시키는 모터를 포함하고,상기 이동 부재에는 상기 샤프트가 삽입되는 축 삽입홀이 형성되며,상기 축 삽입홀의 내주면에는 상기 샤프트의 나사산과 맞물리는 나사산이 형성되는 것인 가스 포집 장치.
- 제2항에 있어서,상기 외부 하우징은,상기 내부 지그의 상단부가 내부에 수용되는 상부 하우징과,상기 내부 지그의 하단부가 내부에 수용되는 하부 하우징을 포함하고,상기 상부 하우징의 상면에서는 상기 니들 삽입홀이 형성되며,상기 펀칭부는 상기 상부 하우징의 외측에서 상기 니들 삽입홀을 덮으며 상기 상부 하우징의 상면에 결합되는 것인 가스 포집 장치.
- 제6항에 있어서,상기 내부 지그는,상기 전지의 상단부가 삽입되는 전지 삽입홀이 마련되는 상부 지그와,상면에 상기 전지의 하단부가 삽입되는 전지 삽입홈이 마련되는 하부 지그를 포함하고,상기 전지 삽입홀은 상기 상부 지그를 상하방향으로 관통하도록 형성되며,상기 전지 삽입홀의 상측 개구는 상기 상부 하우징의 내측에서 상기 니들 삽입홀과 대면하고,상기 전지 삽입홀의 하측 개구는 상기 전지 삽입홈의 입구와 대면하는 것인 가스 포집 장치.
- 제7항에 있어서,상기 가스 배출관은 하부 하우징의 측면에 결합되고,상기 상부 지그에는 상기 타공홀을 통해 상기 전지 내부에서 배출되어 상기 상부 하우징의 내부에 확산된 가스를 상기 하부 하우징의 내부로 전달하는 제1 유로가 형성되고,상기 하부 지그에는 상기 제1 유로를 통해 전달받은 가스를 상기 가스 배출관으로 전달하는 제2 유로가 형성되는 것인 가스 포집 장치.
- 제8항에 있어서,상기 상부 지그의 상면은 상기 상부 하우징의 내부에서 천정면과 일정 간격 이격되고,상기 상부 지그 및 하부 지그는 상하 방향으로 연장되는 기둥 형상으로 마련되며,상기 제1 유로는 상기 상부 지그의 외측면 상에서 상기 상부 지그의 상단부에서 하단부까지 이어지는 홈으로 형성되고,상기 제2 유로는 상기 하부 지그의 외측면에서 상기 하부 지그의 상단부에서 상기 가스 배출관이 상기 하부 하우징에 연결되는 높이까지 이어지는 홈으로 형성되는 것인 가스 포집 장치.
- 제9항에 있어서,상기 상부 지그 및 상기 하부 지그는 상하방향으로 연장되는 원통 형상으로 마련되고,상기 상부 지그의 측면의 하단부 또는 상기 하부 지그의 상단부에는 외주면을 따라 링 형상 홈으로 마련되는 제1 연결 유로가 형성되며,상기 제1 연결 유로에는 상기 제1 유로의 하단부 및 상기 제2 유로의 상단부가 연결되는 것인 가스 포집 장치.
- 제10항에 있어서,상기 하부 지그에는 외주면을 따라 링 형상 홈으로 마련되는 제2 연결 유로가 형성되고,상기 제2 연결 유로에는 상기 제2 유로의 하단부가 연결되며,상기 제2 연결 유로의 높이는 상기 가스 배출관이 상기 하부 하우징에 연결되는 높이와 동일한 것인 가스 포집 장치.
- 제1항에 있어서,상기 외부 하우징 내부의 압력을 측정하는 압력 센서를 더 포함하고,상기 펀칭 구동부는 상기 압력 센서의 측정 값을 근거로 작동되는 것인 가스 포집 장치.
- 제12항에 있어서,상기 가스 배출관과 연결되어 상기 전지에서 발생한 가스를 상기 외부 하우징으로부터 전달받는 매니폴드부;상기 매니폴드부로 전달된 가스를 희석시키기 위해 상기 매니폴드부에 연결되는 희석 탱크부;상기 희석 탱크부에 진공을 형성하기 상기 매니폴드부에 연결되는 진공 펌프부; 및상기 매니폴드부에 연결되어 가스를 상기 가스 포집관 또는 상기 가스 포집 장치로 전달하는 가스 전달관을 더 포함하고,상기 압력 센서는 상기 매니폴드부에 연결되는 것인 가스 포집 장치.
- 제13항에 있어서,상기 가스 배출관에 마련되어 상기 가스 배출관을 통해 상기 매니폴드부로 흐르는 가스의 흐름을 차단 또는 개방하는 제1 밸브;상기 희석 탱크부와 상기 매니폴드부 사이의 유로를 차단 또는 개방하는 제2 밸브;상기 진공 펌프부와 상기 매니폴드부 사이의 유로를 차단 또는 개방하는 제3 밸브;상기 가스 전달관에 마련되어 상기 가스 전달관을 통해 상기 가스 포집관 또는 상기 가스 포집 장치로 흐르는 가스의 흐름을 차단 또는 개방하는 제4 밸브;상기 매니폴드부에 연결되어 상기 매니폴드부로 전달된 가스를 외부로 배기시키는 가스 배기관; 및상기 가스 배기관에 마련되어 상기 가스 배기관을 통해 외부로 배기되는 가스의 흐름을 차단 또는 개방하는 제5 밸브를 포함하는 것인 가스 포집 장치.
- 제14항에 따른 가스 포집 장치를 이용한 가스 포집 방법에 있어서,상기 진공 펌프를 통해 상기 외부 하우징 및 상기 희석 탱크 내부에 진공을 형성하는 진공 형성 단계;상기 펀칭부로 상기 전지에 상기 타공홀을 형성하는 타공홀 형성 단계;상기 압력 센서의 측정 값을 통해 압력 변화량 값을 산출하는 압력 변화량 값 산출 단계;상기 압력 변화량 값이 설정 값 이상이 되면 상기 니들을 후퇴시키는 니들 후퇴 단계; 및상기 제4 밸브를 개방하고 상기 가스 포집관 또는 상기 가스 분석 장치에 가스를 전달하는 가스 포집 단계를 포함하는 것인 가스 포집 방법.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202380018489.2A CN118541595A (zh) | 2022-07-22 | 2023-07-19 | 气体收集设备 |
| JP2024523764A JP7739612B2 (ja) | 2022-07-22 | 2023-07-19 | ガス捕集装置 |
| EP23843350.2A EP4397953B1 (en) | 2022-07-22 | 2023-07-19 | Gas collection device |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2022-0090849 | 2022-07-22 | ||
| KR1020220090849A KR20240013382A (ko) | 2022-07-22 | 2022-07-22 | 가스 포집 장치 |
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| Publication Number | Publication Date |
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| WO2024019504A1 true WO2024019504A1 (ko) | 2024-01-25 |
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ID=89618280
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/KR2023/010359 Ceased WO2024019504A1 (ko) | 2022-07-22 | 2023-07-19 | 가스 포집 장치 |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP4397953B1 (ko) |
| JP (1) | JP7739612B2 (ko) |
| KR (1) | KR20240013382A (ko) |
| CN (1) | CN118541595A (ko) |
| WO (1) | WO2024019504A1 (ko) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20240016069A (ko) * | 2022-07-28 | 2024-02-06 | 주식회사 엘지에너지솔루션 | 가스 포집 장치 |
| WO2026071963A1 (en) * | 2024-09-30 | 2026-04-02 | Traton Ab | An arrangement and a method for collecting gas from a battery cell |
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| JP2011192523A (ja) * | 2010-03-15 | 2011-09-29 | Toyota Motor Corp | 二次電池の製造方法およびガス抜き装置 |
| KR101590395B1 (ko) * | 2015-05-26 | 2016-02-18 | 이현철 | 중대형 2차 전지 가스추출 시스템 |
| KR20190119500A (ko) * | 2018-04-12 | 2019-10-22 | 주식회사 엘지화학 | 이차전지 발생가스 포집장치 및 포집방법 |
| US20210226265A1 (en) * | 2018-12-03 | 2021-07-22 | Lg Chem, Ltd. | Internal pressure measuring jig for cylindrical battery cell |
| KR20210125283A (ko) * | 2020-04-08 | 2021-10-18 | (주)이손 | 이차전지 가스 분석 장치 |
| KR20220090849A (ko) | 2020-12-23 | 2022-06-30 | 주식회사 디아이티그린 | 에어필터 제조 장치에서 부직포 웹 위에 흡착성 활성 분말을 도포하는 도포수단 |
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| JPS5748635A (en) * | 1980-09-08 | 1982-03-20 | Toshiba Corp | Gas capturing device for battery |
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| JP2017009539A (ja) | 2015-06-25 | 2017-01-12 | 株式会社住化分析センター | ガス分析装置およびガス分析方法 |
| JP6730056B2 (ja) * | 2016-03-29 | 2020-07-29 | 株式会社コベルコ科研 | 蓄電デバイスの発生ガス分析方法及び装置 |
| HUE070351T2 (hu) | 2017-10-26 | 2025-06-28 | Lg Energy Solution Ltd | Készülék, rendszer és eljárás másodlagos akkumulátorban keletkezõ gáz gyûjtésére |
| CN109935919B (zh) * | 2017-12-19 | 2022-05-17 | 中国科学院物理研究所 | 一种用于电池的气体采集装置 |
| KR102133646B1 (ko) * | 2018-05-21 | 2020-07-13 | 주식회사 엘지화학 | 충방전 겸용 이차전지 발생가스 포집장치 및 포집방법 |
| KR20200004745A (ko) | 2018-07-04 | 2020-01-14 | 주식회사 엘지화학 | 자동화된 이차전지 내부 발생가스 포집장치 및 방법 |
-
2022
- 2022-07-22 KR KR1020220090849A patent/KR20240013382A/ko active Pending
-
2023
- 2023-07-19 EP EP23843350.2A patent/EP4397953B1/en active Active
- 2023-07-19 CN CN202380018489.2A patent/CN118541595A/zh active Pending
- 2023-07-19 JP JP2024523764A patent/JP7739612B2/ja active Active
- 2023-07-19 WO PCT/KR2023/010359 patent/WO2024019504A1/ko not_active Ceased
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| US20210226265A1 (en) * | 2018-12-03 | 2021-07-22 | Lg Chem, Ltd. | Internal pressure measuring jig for cylindrical battery cell |
| KR20210125283A (ko) * | 2020-04-08 | 2021-10-18 | (주)이손 | 이차전지 가스 분석 장치 |
| KR20220090849A (ko) | 2020-12-23 | 2022-06-30 | 주식회사 디아이티그린 | 에어필터 제조 장치에서 부직포 웹 위에 흡착성 활성 분말을 도포하는 도포수단 |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN118541595A (zh) | 2024-08-23 |
| JP7739612B2 (ja) | 2025-09-16 |
| EP4397953A1 (en) | 2024-07-10 |
| JP2024542961A (ja) | 2024-11-19 |
| KR20240013382A (ko) | 2024-01-30 |
| EP4397953A4 (en) | 2025-01-22 |
| EP4397953B1 (en) | 2026-03-11 |
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