WO2023059140A1 - 이차 전지의 활성화 장치와 그 활성화 방법 - Google Patents
이차 전지의 활성화 장치와 그 활성화 방법 Download PDFInfo
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- WO2023059140A1 WO2023059140A1 PCT/KR2022/015161 KR2022015161W WO2023059140A1 WO 2023059140 A1 WO2023059140 A1 WO 2023059140A1 KR 2022015161 W KR2022015161 W KR 2022015161W WO 2023059140 A1 WO2023059140 A1 WO 2023059140A1
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- WIPO (PCT)
- Prior art keywords
- chamber
- battery cell
- vacuum
- activation
- moving member
- Prior art date
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- 230000004913 activation Effects 0.000 title claims abstract description 96
- 238000000034 method Methods 0.000 title claims abstract description 42
- 238000007789 sealing Methods 0.000 claims abstract description 43
- 238000007872 degassing Methods 0.000 claims abstract description 41
- 238000012546 transfer Methods 0.000 claims description 26
- 238000010438 heat treatment Methods 0.000 claims description 22
- 230000003213 activating effect Effects 0.000 claims description 14
- 238000001994 activation Methods 0.000 abstract description 78
- 239000007789 gas Substances 0.000 abstract description 20
- 238000007599 discharging Methods 0.000 abstract description 8
- 239000012190 activator Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000003912 environmental pollution Methods 0.000 description 3
- 239000002803 fossil fuel Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000012827 research and development Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000009885 systemic effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
- H01M4/0438—Processes of manufacture in general by electrochemical processing
- H01M4/044—Activating, forming or electrochemical attack of the supporting material
- H01M4/0445—Forming after manufacture of the electrode, e.g. first charge, cycling
- H01M4/0447—Forming after manufacture of the electrode, e.g. first charge, cycling of complete cells or cells stacks
-
- 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
-
- 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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
- H01M10/446—Initial charging measures
-
- 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
- H01M10/0404—Machines for assembling batteries
-
- 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
- H01M10/0481—Compression means other than compression means for stacks of electrodes and separators
-
- 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
- H01M10/049—Processes for forming or storing electrodes in the battery container
-
- 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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/52—Removing gases inside the secondary cell, e.g. by absorption
-
- 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
- H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
- H01M50/105—Pouches or flexible bags
-
- 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
-
- 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
- H01M50/317—Re-sealable arrangements
-
- 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
- H01M50/342—Non-re-sealable arrangements
- H01M50/3425—Non-re-sealable arrangements in the form of rupturable membranes or weakened parts, e.g. pierced with the aid of a sharp member
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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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Definitions
- the present invention relates to an activation device for activating a battery cell of a pouch type secondary battery in an activation process and an activation method thereof.
- cylindrical batteries, prismatic batteries, or pouch-type batteries are the mainstream, and energy efficiency and energy density are improved or energy inefficiency is improved depending on the structural characteristics corresponding to each type of various types of secondary batteries. Research and development are being conducted to prevent this.
- Secondary batteries have advantages over other types of energy sources in terms of energy efficiency and density, but studies on stability are being conducted along with continuous development of structures, materials, and processes to secure higher efficiency. In particular, as various processes are performed in the manufacturing process of a secondary battery, precise control of movement, structure, arrangement, and assembly of battery cells is required for each process, so stability is of great importance.
- a pouch-type battery is a type of battery in which an electrode assembly is accommodated in a pouch-type case and high energy density can be secured by accommodating an electrode assembly in which electrodes and separators are alternately stacked.
- it is essential to discharge the gas generated in the pouch-type case during charging and discharging during the activation process of the battery cell. It is required.
- the present invention is intended to solve the above problems, and a secondary battery activation device capable of discharging gases that may be generated in the manufacturing process of secondary batteries during charging/discharging of the activation process to the maximum extent possible and producing secondary batteries that can be stably manufactured/used. and an activation method thereof.
- An activation device for a secondary battery includes a first transfer unit for transferring battery cells and a first chamber capable of adjusting the degree of vacuum in a space where the first transfer unit is located, and is spatially connected to the first chamber and It includes an activation unit in which the battery cell is disposed so that activation and degassing of the battery cell can be performed, and is spatially connected to a vacuum chamber capable of maintaining a space in which the activation unit is disposed in a vacuum state, the vacuum chamber, A second chamber including a second transfer unit for transporting the battery cells and capable of adjusting the degree of vacuum in a space where the second transfer unit is located, disposed to cross the first chamber, the vacuum chamber, and the second chamber.
- a movement line connected to the movement line, and a movement member connected to the movement line and moving the battery cell along the movement line, performing piercing on the battery cell in the first chamber, and performing piercing on the battery cell in the activating unit.
- the activation and the degassing of the cell may be performed, and sealing of the battery cell may be performed in one of the vacuum chamber and the second chamber.
- the moving member includes a first moving member and a second moving member, the first moving member includes a heating pad on one side and a piercing pin on the other side, and the second moving member has a vacuum pad on one side.
- the first movable member may be rotatable to enable one of a state in which the piercing pin faces the vacuum pad and a state in which the heating pad faces the vacuum pad.
- the activation device performs the piercing based on the piercing pin of the first movable member and the vacuum pad of the second movable member, and the heating pad of the first movable member and the vacuum pad of the second movable member.
- the sealing may be performed based on.
- the activation unit may include a press jig, and during the activation, the battery cell may be pressurized using the press jig to perform the degassing.
- a first gate may be formed in the first chamber, and the first gate may be opened when the vacuum level of the first chamber is adjusted to the vacuum state of the vacuum chamber.
- a second gate may be formed in the second chamber, and the second gate may be opened when the vacuum level of the second chamber is adjusted to the vacuum state of the vacuum chamber.
- first sealing is performed in a process in which the movable member contacts the battery cell to move the battery cell, and the movable member seals the battery cell.
- Second sealing may be performed in the process of seating in the second chamber.
- the first chamber includes a first activation tray, the first activation tray is disposed with the battery cells transported from the first transfer unit, the second chamber includes a second activation tray, and the second activation tray is disposed thereon.
- the battery cells moved from the vacuum chamber may be disposed on a tray.
- the battery cell may include a sealing portion in which a degassing portion may be formed, and gas inside the battery cell may be discharged through the degassing portion by pressurizing at least a portion of the sealing portion.
- the activation of the battery cell may be performed in a state in which the piercing is performed in the activation unit.
- a method for activating a secondary battery includes the steps of transferring a battery cell to a first chamber capable of adjusting the degree of vacuum in a space where the first transfer unit is located based on a first transfer unit; Performing piercing on the battery cell in a chamber, in a vacuum state including an activation unit capable of activating and degassing the battery cell along a moving line based on the moving member. Moving to a vacuum chamber, performing the activation and degassing of the battery cell in the activating unit of the vacuum chamber, and sealing the battery cell based on the moving member; The method may include moving the battery cell along the moving line based on the moving member to a second chamber capable of adjusting a degree of vacuum.
- the method of activating the secondary battery may include performing the degassing while pressurizing the battery cell using a pressure jig during the activation.
- the activation method of the secondary battery may include opening a first gate of the first chamber when the vacuum level of the first chamber is adjusted to the vacuum state of the vacuum chamber.
- the activation method of the secondary battery may include opening a second gate of the second chamber when the vacuum level of the second chamber is adjusted to the vacuum state of the vacuum chamber.
- the method of activating the secondary battery may include performing the activation of the battery cell in a state in which the piercing of the battery cell is performed by the activator.
- the device for activating a secondary battery and the method for activating the secondary battery according to the present invention can provide high stability by efficiently removing gases that may be generated/collected in a pouch during charging/discharging during the activation process of a battery cell of a secondary battery. .
- the secondary battery activation device and activation method according to the present invention simplifies the process and reduces the size of the battery cell by discharging gas based on a vacuum chamber in the activation process without adding a separate gas removal process.
- FIG. 1 is a diagram showing a battery cell of a pouch-type secondary battery according to an embodiment of the present invention.
- FIG. 2 is a view showing a moving member according to an embodiment of the present invention.
- 3A to 3D are diagrams illustrating a state of a moving member and a state of a battery cell corresponding thereto according to an embodiment of the present invention.
- FIG. 4 is a diagram illustrating a method of removing gas from a battery cell of a secondary battery according to another embodiment of the present invention.
- FIG. 5 is a diagram illustrating an activation device for removing gas from a battery cell of a secondary battery according to another embodiment of the present invention.
- FIG. 1 shows a battery cell of a pouch-type secondary battery according to an embodiment of the present invention.
- the battery cell 100 may include an electrode assembly 110 , and the electrode assembly 110 may be accommodated in a receiving unit in the pouch 120 .
- the accommodating portion may have a shape corresponding to the shape of the electrode assembly 110 .
- the battery cell 100 may include electrode leads 130 and 140 allowing the electrode assembly 110 to be electrically connected to the outside of the battery cell 100 .
- the electrode leads 130 and 140 may be connected to a part of the electrode assembly 110 and exposed to the outside through the pouch 120 .
- the pouch 120 may include a sealing portion 150 that seals at least an area around the electrode assembly 110 and collects gas that may occur during the manufacturing process of the battery cell 100 .
- the sealing unit 150 may seal the battery cell 100 by bonding the exterior materials of the pouch 120 to each other.
- the sealing part 150 may include a degassing part 160 .
- the degassing unit 160 may be a portion through which gas collected in the sealing unit 150 is discharged.
- FIG. 2 shows a moving member according to an embodiment of the present invention.
- the moving member 200 may be a means for moving the battery cell 100 .
- the moving member 200 may include a first moving member 210 and a second moving member 220 so as to pick up and move the battery cell 100 .
- One side of the first movable member 210 and one side of the second movable member 220 contact both surfaces of the battery cell 100 so that the battery cell 100 can be picked up.
- the first moving member 210 and the second moving member 220 may pick up the battery cell 100 and move it along the moving line.
- the moving member 200 may perform piercing and sealing of the battery cell 100 .
- the moving member 200 may include the first moving member 210 and the second moving member 220 .
- the first moving member 210 may include a piercing pin 211 and a heating pad 212 .
- the piercing pin 211 may be formed in a direction protruding outward from the first moving member 210 .
- the piercing pin 211 may be formed on one side of the first moving member 210 .
- the piercing pin 211 may pierce the sealing portion 150 or the degassing portion 160 of the battery cell 100 .
- the heating pad 212 may be formed on the other side of the first moving member 210 that is different from the side where the piercing pin 211 is disposed.
- the heating pad 212 may transfer heat and pressure for sealing the sealing part 150 or the degassing part 160 of the battery cell 100 .
- the second moving member 220 may include a vacuum pad 221 .
- the second movable member 220 may include a vacuum pad 221 on one side.
- the vacuum pad 221 may pierce the battery cell 100 together with the piercing pin 211 .
- the vacuum pad 221 may seal the battery cell 100 together with the heating pad 212 .
- the moving member 200 may include a rotating member 230 .
- the rotating member 230 may be connected/coupled with the first moving member 210 .
- the rotating member 230 may rotate the first moving member 210 .
- the rotating member 230 may rotate the first moving member 210 by 360 degrees.
- the rotating member 230 may rotate the first moving member 210 so that the piercing pin 211 faces the vacuum pad 221 (or faces).
- the rotating member 230 may rotate the first moving member 210 so that the heating pad 212 faces the vacuum pad 221 (or faces).
- the moving member 200 may perform piercing and sealing together with the movement of the battery cell 100 .
- the moving member 200 moves in a state where the battery cell 100 is picked up in a state where the piercing pin 211 of the first moving member 210 and the vacuum pad 221 of the second moving member 220 face each other. By moving along the line, the battery cell 100 may be moved and pierced together.
- the moving member 200 moves in a state where the battery cell 100 is picked up in a state where the heating pad 212 of the first moving member 210 and the vacuum pad 221 of the second moving member 220 face each other. By moving along the line, the battery cell 100 can be moved and sealed together.
- 3A to 3D show states of a moving member and corresponding states of a battery cell according to an embodiment of the present invention.
- 3A and 3B show a state in which the moving member 200 can pierce and move.
- the piercing pin 211 of the first movable member 210 and the vacuum pad 221 of the second movable member 220 may be coupled while facing each other. At the same time that the piercing pin 211 and the vacuum pad 221 fix the battery cell 100, the degassing part 160 of the battery cell 100 may be pierced.
- a piercing hole 310 may be formed in the battery cell 100 .
- the piercing hole 310 may be formed by penetrating a region corresponding to the degassing portion 160 through the piercing pin 211 .
- Gas collected in the sealing part 150 or the degassing part 160 of the battery cell 100 may be discharged to the outside through the piercing hole 310 formed by the piercing pin 211 .
- the vacuum pad 221 may suck the discharged gas.
- 3c and 3d show a state in which the moving member 200 can perform sealing and movement.
- the heating pad 212 of the first movable member 210 and the vacuum pad 221 of the second movable member 220 may be coupled to face each other. Sealing of the degassing part 160 of the battery cell 100 may be performed while the heating pad 212 and the vacuum pad 211 contact (or fix) the battery cell 100 .
- a sealing region 320 may be formed in the battery cell 100 .
- the sealing area 320 may be formed by sealing an area corresponding to the degassing part 160 by the heating pad 212 and the vacuum pad 221 . After the gas is discharged from the sealing part 150 or the degassing part 160 of the battery cell 100, the area of the degassing part 160 is sealed through the heating pad 212 and the vacuum pad 221, thereby sealing.
- a region 320 may be formed.
- the sealing area 320 may be formed by sealing the area of the degassing unit 160 by heat and pressure through the heating pad 212 and the vacuum pad 221 .
- the states of FIGS. 3A and 3B and the states of FIGS. 3C and 3D may be achieved according to the rotation of the rotating member 230, and through the rotating member 230, the first moving member 210 rotates up to a range of 360 degrees. can do.
- the device for activating a secondary battery according to the present invention may perform a method for degassing a battery cell as will be described later.
- FIG. 4 The activation method of the activation device of the present invention according to FIG. 4 will be described with reference to FIG. 5 showing an activation device that performs degassing of a battery cell of a secondary battery.
- the activation device may transfer the battery cell to the first chamber based on the first transfer unit.
- the activation device 500 may include a first chamber 501 , a second chamber 502 , and a vacuum chamber 503 .
- the first chamber 501 may adjust the degree of vacuum inside the first chamber 501 .
- the degree of vacuum inside the first chamber 501 may be adjusted from an atmospheric state to a vacuum state (eg, -40 kpa).
- a vacuum state eg, -40 kpa
- the degree of vacuum may be defined according to the design, and in the present invention, -40 kpa is defined as the vacuum state, and there may be no particular limitation.
- the first chamber 501 may transfer the battery cell 100 from the outside of the activation device 500 to the first chamber 501 through the first transfer unit 510 .
- the first transfer unit 510 may seat the battery cells 100 outside the activation device 500 on the first activation tray 511 within the first chamber 501 .
- a plurality of battery cells 100 for activation may be disposed on the first activation tray 511 .
- the first chamber 501 may adjust the degree of vacuum inside the battery cell 100 before, during, and after the transfer of the battery cell 100 from the outside.
- the activation device may pierce the battery cell based on the moving member.
- the activation device 500 may pick up the battery cells 100 disposed on the first activation tray 511 using the moving member 200 .
- the movable member 200 may be in a state in which the piercing pin 211 of the first movable member 210 and the vacuum pad 221 of the second movable member 220 face each other.
- the piercing pin 211 of the first movable member 210 and the vacuum pad 221 of the second movable member 220 face each other the piercing pin 211 is applied to the degassing part 160 of the battery cell 100.
- Piercing can be performed by penetrating.
- Piercing of a portion of the battery cell 100 may be performed simultaneously with the moving member 200 gripping the battery cell 100 .
- the activation device may move the pierced battery cell along a moving line into a vacuum chamber.
- the moving line 520 may be disposed in a form that spatially crosses the first chamber 501 , the second chamber 502 , and the vacuum chamber 503 .
- the moving line 520 may support the moving member 200 from the top so that it can move.
- the moving member 200 may be coupled to the moving line 520 .
- the moving member 200 may be coupled to the movement line and move along the movement line 520 .
- the moving member 200 may move to the vacuum chamber 503 through the first gate 512 formed between the first chamber 501 and the vacuum chamber 503 along the moving line 520 .
- the first chamber 501 may adjust the degree of vacuum inside to a vacuum state (eg, -40 kpa).
- a vacuum state eg, -40 kpa
- the first gate 512 may be opened.
- the activation device may perform activation and degassing of the pierced battery cells in a vacuum chamber.
- the activation device 500 may move the battery cell 100 into the vacuum chamber 503 using the moving member 200, and the battery cell 100 may be placed on the activator 530 using the moving member 200. ) can be settled.
- the battery cell 100 seated on the activator 530 may be in a piercing state.
- the activation unit 530 may include a pressure jig, and the battery cell 100 may be pressurized by the pressure jig, and accordingly, at least charging/discharging of the activation process may be performed.
- the activator 530 may perform pressurization in a high temperature state.
- the activator 530 may charge/discharge the battery cell 100 in a state in which the battery cell 100 is pressed at a high temperature through a pressure jig. As the battery cell 100 is compressed by the pressure jig during charging/discharging, gas generated from the battery cell 100 may be collected in the degassing unit 160 .
- the sealing part 150 of the battery cell 100 may be formed so that generated gas can be collected in the degassing part 160, and there may be no particular limitation.
- the inside of the vacuum chamber 503 may be in a vacuum state (eg, -40 kpa), and the gas collected in the battery cell 100 where the piercing is performed is discharged to the outside of the battery cell 100 by a pressure difference (degas). sing) can be The pressure jig pressurizes the battery cell 100 so that the gas inside the battery cell 100 can be more easily discharged (degassed) to the outside.
- a vacuum state eg, -40 kpa
- degas a pressure difference
- sing can be The pressure jig pressurizes the battery cell 100 so that the gas inside the battery cell 100 can be more easily discharged (degassed) to the outside.
- the gas collected inside the battery cell 100 has the effect of being easily discharged to the outside by the pressure difference and the pressure of the pressure jig.
- the activation device may perform sealing on the battery cell based on the moving member.
- the battery cell 100 which has been activated and degassed by the activator 530 , may be gripped and lifted by the moving member 200 .
- the heating pad 212 of the first moving member 210 and the vacuum pad 221 of the second moving member 220 are mutually connected to each other. It may be in a face-to-face bonded state. As the heating pad 212 and the vacuum pad 211 come into contact with the battery cell 100 , sealing of the degassing unit 160 of the battery cell 100 may be performed while gripping or fixing the battery cell 100 .
- the activation device may move the battery cell to the second chamber based on the moving member.
- the moving member 200 may grip the sealed battery cell 100 and move the battery cell 100 into the second chamber 502 along the moving line 520 .
- the moving member 200 may move the battery cell 100 into the second chamber 502 through the second gate 542 between the vacuum chamber 503 and the second chamber 502 .
- the moving member 200 may seat the battery cell 100 on the second activation tray 541 in the second chamber 502 .
- a plurality of battery cells 100 after activation may be disposed on the second activation tray 541 .
- the activation device 500 uses the heating pad 212 of the first movable member 210 and the vacuum pad 221 of the second movable member 220 to activate the battery cell 100 even in the second activation tray 541 . Sealing of the degassing unit 160 can be performed.
- the activation device 500 uses the heating pad 212 and the vacuum pad 221 to set the degassing unit 160 of the battery cell 100 while being seated on the second activation tray 541 of the second chamber 502. Sealing can be performed on
- the second chamber 502 may adjust the degree of vacuum inside the second chamber 502 .
- the degree of vacuum inside the second chamber 502 may be adjusted from an atmospheric state to a vacuum state (eg, -40 kpa).
- a vacuum state eg, -40 kpa
- the vacuum level inside the second chamber 502 may be adjusted to a vacuum state (eg, -40 kpa).
- the second gate 542 may be opened.
- the second chamber 502 may transfer the battery cells 100 disposed on the second activation tray 541 to the outside of the activation device 500 through the second transfer unit 540 .
- the vacuum level inside the second chamber 502 can be adjusted to the standby state, and after the vacuum level is adjusted to the standby state, the battery cell 100 is activated by the activation device 500 through the second transfer unit 540. ) can be transferred to the outside.
- the second chamber 502 may adjust the degree of vacuum inside the battery cell 100 before, during, and after the transfer of the battery cell 100 .
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Secondary Cells (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
Description
Claims (15)
- 전지 셀을 이송하는 제1 이송부를 포함하고, 상기 제1 이송부가 위치한 공간의 진공 정도를 조절할 수 있는 제1 챔버;상기 제1 챔버와 공간적으로 연결되고, 상기 전지 셀에 대한 활성화 및 디가싱이 수행될 수 있도록 상기 전지 셀이 배치되는 활성화부를 포함하며, 상기 활성화부가 배치되는 공간을 진공 상태로 유지할 수 있는 진공 챔버;상기 진공 챔버와 공간적으로 연결되고, 상기 전지 셀을 이송하는 제2 이송부를 포함하고, 상기 제2 이송부가 위치한 공간의 진공 정도를 조절할 수 있는 제2 챔버;상기 제1 챔버, 상기 진공 챔버, 및 상기 제2 챔버를 가로지르도록 배치되는 이동 라인; 및상기 이동 라인에 연결되고, 상기 이동 라인을 따라 상기 전지 셀을 이동시키는 이동 부재를 포함하고,상기 제1 챔버에서 상기 전지 셀에 대한 피어싱을 수행하고,상기 활성화부에서 상기 전지 셀에 대한 상기 활성화 및 상기 디가싱을 수행하고,상기 진공 챔버 및 상기 제2 챔버 중 하나에서 상기 전지 셀에 대한 실링을 수행하는 이차 전지의 활성화 장치.
- 청구항 1에 있어서,상기 이동 부재는 제1 이동 부재 및 제2 이동 부재를 포함하고,상기 제1 이동 부재는:일 측면에 히팅 패드 및 타 측면에 피어싱 핀을 포함하고,상기 제2 이동 부재는:일 측면에 진공 패드를 포함하며,상기 제1 이동 부재는, 상기 피어싱 핀이 상기 진공 패드와 마주하는 상태 및 상기 히팅 패드가 상기 진공 패드와 마주하는 상태 중 어느 하나의 상태가 가능하도록 회전 가능한, 이차 전지의 활성화 장치.
- 청구항 2에 있어서,상기 제1 이동 부재의 상기 피어싱 핀 및 제2 이동 부재의 상기 진공 패드에 기반하여 상기 피어싱을 수행하고,상기 제1 이동 부재의 상기 히팅 패드 및 상기 제2 이동 부재의 진공 패드에 기반하여 상기 실링을 수행하는, 이차 전지의 활성화 장치.
- 청구항 1에 있어서,상기 활성화부는 가압 지그를 포함하고,상기 활성화 중에 상기 가압 지그를 이용하여 상기 전지 셀을 가압하며 상기 디가싱을 수행하는, 이차 전지의 활성화 장치.
- 청구항 1에 있어서,상기 제1 챔버에는 제1 게이트가 형성되고,상기 제1 게이트는 상기 제1 챔버의 상기 진공 정도가 상기 진공 챔버의 상기 진공 상태로 조절된 경우에 개방되는, 이차 전지의 활성화 장치.
- 청구항 1에 있어서,상기 제2 챔버에는 제2 게이트가 형성되고,상기 제2 게이트는 상기 제2 챔버의 상기 진공 정도가 상기 진공 챔버의 상기 진공 상태로 조절된 경우에 개방되는, 이차 전지의 활성화 장치.
- 청구항 1에 있어서,상기 이동 부재에 의한 상기 전지 셀에 대한 상기 실링에 있어서,상기 이동 부재가 상기 전지 셀을 이동시키기 위해 상기 전지 셀에 접촉하는 과정에서 제1 실링이 수행되고,상기 이동 부재가 상기 전지 셀을 상기 제2 챔버에 안착시키는 과정에서 제2 실링이 수행되는, 이차 전지의 활성화 장치.
- 청구항 1에 있어서,상기 제1 챔버는 제1 활성화 트레이를 포함하고, 상기 제1 활성화 트레이는 상기 제1 이송부로부터 이송된 상기 전지 셀이 배치되며,상기 제2 챔버는 제2 활성화 트레이를 포함하고, 상기 제2 활성화 트레이는 상기 진공 챔버로부터 이동된 상기 전지 셀이 배치되는, 이차 전지의 활성화 장치.
- 청구항 1에 있어서,상기 전지 셀은,디가싱부가 형성될 수 있는 실링부를 포함하고,상기 전지 셀 내부의 가스는 상기 실링부의 적어도 일부가 가압됨으로써 상기 디가싱부를 통해 배출되는, 이차 전지의 활성화 장치.
- 청구항 1에 있어서,상기 활성화부에서 상기 피어싱이 수행된 상태에서 상기 전지 셀에 대한 상기 활성화가 수행되는, 이차 전지의 활성화 장치.
- 전지 셀을 제1 이송부에 기반하여 상기 제1 이송부가 위치한 공간의 진공 정도를 조절할 수 있는 제1 챔버로 이송시키는 단계;이동 부재에 기반하여 상기 제1 챔버에서 상기 전지 셀에 대한 피어싱을 수행하는 단계;상기 전지 셀을 상기 이동 부재에 기반하여 이동 라인을 따라, 상기 전지 셀에 대한 활성화 및 디가싱이 수행될 수 있는 활성화부를 포함하는 진공 상태의 진공 챔버로 이동시키는 단계;상기 진공 챔버의 상기 활성화부에서 상기 전지 셀에 대한 상기 활성화 및 상기 디가싱을 수행하는 단계; 및상기 이동 부재에 기반하여 상기 전지 셀에 대한 실링을 수행하는 단계;상기 전지 셀을 상기 이동 부재에 기반하여 상기 이동 라인을 따라, 진공 정도를 조절할 수 있는 제2 챔버로 이동시키는 단계를 포함하는, 이차 전지의 활성화 방법.
- 청구항 11에 있어서,상기 활성화 중에 가압 지그를 이용하여 상기 전지 셀을 가압하며 상기 디가싱이 수행되는 단계를 포함하는, 이차 전지의 활성화 방법.
- 청구항 11에 있어서,상기 제1 챔버의 제1 게이트는, 상기 제1 챔버의 상기 진공 정도가 상기 진공 챔버의 상기 진공 상태로 조절된 경우에 개방되는 단계를 포함하는, 이차 전지의 활성화 방법.
- 청구항 13에 있어서,상기 제2 챔버의 제2 게이트는, 상기 제2 챔버의 상기 진공 정도가 상기 진공 챔버의 상기 진공 상태로 조절된 경우에 개방되는 단계를 포함하는, 이차 전지의 활성화 방법.
- 청구항 11에 있어서,상기 활성화부에서 상기 전지 셀에 대한 상기 피어싱이 수행된 상태에서 상기 전지 셀에 대한 상기 활성화가 수행되는 단계를 포함하는, 이차 전지의 활성화 방법.
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EP22878961.6A EP4235887A1 (en) | 2021-10-08 | 2022-10-07 | Activation apparatus for secondary battery and activation method therefor |
CN202280008007.0A CN116583993A (zh) | 2021-10-08 | 2022-10-07 | 用于二次电池的激活设备及其激活方法 |
JP2023552066A JP2024507590A (ja) | 2021-10-08 | 2022-10-07 | 二次電池の活性化装置およびその活性化方法 |
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JP2015088324A (ja) * | 2013-10-30 | 2015-05-07 | 日産自動車株式会社 | 電池の製造方法および製造装置 |
KR102042775B1 (ko) * | 2019-07-02 | 2019-11-08 | (주)하나기술 | 배터리 셀 디가싱 장치 |
KR20200059559A (ko) * | 2018-11-21 | 2020-05-29 | (주)이티에스 | 이차전지셀 디가스시스템 |
KR20200085589A (ko) * | 2019-01-07 | 2020-07-15 | 주식회사 엘지화학 | 디가싱장치. 그를 포함하는 이차전지 제조설비 및 제조방법 |
KR102197731B1 (ko) * | 2019-07-24 | 2021-01-04 | 정종홍 | 이차전지 제조용 디가스 장치 |
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- 2022-10-07 EP EP22878961.6A patent/EP4235887A1/en active Pending
- 2022-10-07 WO PCT/KR2022/015161 patent/WO2023059140A1/ko active Application Filing
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JP2015088324A (ja) * | 2013-10-30 | 2015-05-07 | 日産自動車株式会社 | 電池の製造方法および製造装置 |
KR20200059559A (ko) * | 2018-11-21 | 2020-05-29 | (주)이티에스 | 이차전지셀 디가스시스템 |
KR20200085589A (ko) * | 2019-01-07 | 2020-07-15 | 주식회사 엘지화학 | 디가싱장치. 그를 포함하는 이차전지 제조설비 및 제조방법 |
KR102042775B1 (ko) * | 2019-07-02 | 2019-11-08 | (주)하나기술 | 배터리 셀 디가싱 장치 |
KR102197731B1 (ko) * | 2019-07-24 | 2021-01-04 | 정종홍 | 이차전지 제조용 디가스 장치 |
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US20240030505A1 (en) | 2024-01-25 |
KR20230050975A (ko) | 2023-04-17 |
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