WO2023096323A1 - 이차전지 활성화 장치 및 이를 이용한 이차전지 제조 방법 - Google Patents
이차전지 활성화 장치 및 이를 이용한 이차전지 제조 방법 Download PDFInfo
- Publication number
- WO2023096323A1 WO2023096323A1 PCT/KR2022/018560 KR2022018560W WO2023096323A1 WO 2023096323 A1 WO2023096323 A1 WO 2023096323A1 KR 2022018560 W KR2022018560 W KR 2022018560W WO 2023096323 A1 WO2023096323 A1 WO 2023096323A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- secondary battery
- pressing
- elastic
- activation device
- blocks
- 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
Links
Images
Classifications
-
- 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
- H01M10/04—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
- H01M10/42—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
- H01M10/049—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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
-
- 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 a secondary battery activation device capable of effectively removing gas generated inside a secondary battery cell during a secondary battery activation process and a secondary battery manufacturing method using the same.
- secondary batteries are classified according to the structure of the electrode assembly of the cathode/separator/cathode structure.
- a jelly structure in which long sheet-shaped cathodes and cathodes are wound with a separator interposed therebetween.
- -Roll (wound type) electrode assembly a stack type (stacked) electrode assembly in which a plurality of positive and negative electrodes cut in units of a predetermined size are sequentially stacked with a separator interposed therebetween, positive electrodes and negative electrodes of a predetermined unit with a separator interposed therebetween
- a stack-folding type electrode assembly having a winding structure of bi-cells or full cells stacked in one state may be mentioned.
- a pouch-type battery having a structure in which a stack-type or stack-folding type electrode assembly is embedded in a pouch-type battery case of an aluminum laminate sheet has attracted much attention due to low manufacturing cost, small weight, and easy shape deformation. Also, its usage is gradually increasing.
- FIGS. 2 and 3 are images showing results obtained by performing a high-temperature pressurization activation process with a secondary battery activating device according to the prior art.
- a secondary battery activation device is composed of a plate-shaped upper pressure plate 1 and a lower pressure plate 2 .
- the plate-shaped upper pressing plate 1 and lower pressing plate 2 press both sides of the secondary battery B to a high temperature while being heated with the secondary battery B interposed therebetween, so that the gas generated by charging is discharged from the interface of the electrode. By removing it, the secondary battery (B) is activated.
- the present invention provides an apparatus for activating a secondary battery in which gas generated during the activation process is not locally trapped in the cell by uniformly pressurizing the secondary battery cell even when the thickness of the secondary battery cell is locally thin during the secondary battery activation process, and the same. It is an object of the present invention to provide a method for manufacturing a secondary battery using the present invention.
- an upper pressing unit including an upper pressing plate and a plurality of first elastic pressing members formed on a lower surface of the upper pressing plate; and a lower pressing portion including a lower pressing plate formed to face the upper pressing plate and a plurality of second elastic pressing members formed on an upper surface of the lower pressing plate.
- the first elastic pressing member includes an elastic member and a pressing block, and an upper end of the elastic member is fixedly formed to a lower surface of the upper pressing plate, and the elastic member is formed. The lower end of the member is fixed to the pressing block.
- the second elastic pressing member includes an elastic member and a pressing block, a lower end of the elastic member is fixed to the upper surface of the lower pressing plate, and an upper end of the elastic member is fixed to the pressing block.
- the elastic member may be a spring.
- an elastic surface may be formed on a surface of the pressing block to press the secondary battery.
- each of the pressing blocks constituting the first and second elastic pressing members may be formed to have the same size in the entire pressing area for pressing the secondary battery.
- the pressing blocks for pressing a first region having a constant electrode thickness of the secondary battery are first Pressing blocks formed to a size and pressurizing the second region where the thickness of the electrode of the secondary battery becomes thinner may be formed to a second size smaller than the first size.
- the pressing blocks for pressing the second area may be formed to have a second size smaller than the first size and to gradually decrease toward the end of the secondary battery. there is.
- the pressing blocks may be formed in a stripe shape.
- the pressing blocks may be formed in a lattice shape.
- the above-described secondary battery activating device is used.
- the entire surface of the secondary battery cell is uniformly pressed, so that the inside of the secondary battery cell There is an effect of preventing generated gas from being trapped inside the electrode assembly.
- FIG. 1 is a schematic cross-sectional view of a secondary battery activation device according to the prior art.
- FIGS. 2 and 3 are images showing results obtained by performing a high-temperature pressure activation process with a secondary battery activation device according to the prior art.
- FIG. 4 is a schematic cross-sectional view of a secondary battery activation device according to a first embodiment of the present invention.
- FIG. 5 is a view showing a pressing block formed in a stripe shape.
- FIG. 6 is a view showing a pressing block formed in a lattice shape.
- FIG. 7 is a schematic cross-sectional view of a secondary battery activation device according to a second embodiment of the present invention.
- FIG. 12 is a schematic cross-sectional view of a secondary battery activation device according to a third embodiment of the present invention.
- 13 to 16 are views showing press blocks formed in various shapes.
- 17 is a flowchart illustrating a secondary battery manufacturing method using a secondary battery activation device according to embodiments of the present invention.
- FIGS. 4 to 6 are schematic cross-sectional views of a secondary battery activation device according to the first embodiment of the present invention
- FIG. 5 is a view showing a pressure block formed in a stripe shape
- FIG. 6 shows a pressure block formed in a lattice shape. It is a drawing
- the secondary battery activating device 100 includes an upper pressing part 110 and a lower pressing part 120 .
- the upper pressurizing part 110 presses the upper surface of the secondary battery B at a high temperature
- the lower pressurizing part 120 presses the lower surface of the secondary battery B at a high temperature.
- the upper pressing part 110 includes an upper pressing plate 111 and a plurality of first elastic pressing members 112 .
- the upper pressing plate 111 may be formed in a predetermined shape, for example, a rectangular plate shape, and a plurality of first elastic pressing members 112 may be formed on the lower surface of the upper pressing plate 111 at equal intervals.
- Each of the first elastic pressing members 112 includes an elastic member 112a and a pressing block 112b.
- the elastic member 112a may be, for example, a material capable of contracting/expanding by an external force, such as a spring or synthetic rubber.
- the elastic member 112a is a spring.
- the upper end of the elastic member 112a is fixed to the lower surface of the upper pressing plate 111, and the lower end of the elastic member 112a is fixed to the pressing block 112b.
- the pressing block 112b may be formed in a stripe shape having a predetermined width and length.
- the pressing block 112b may be formed in a lattice shape having a predetermined area as illustrated in FIG. 6 .
- the pressure block 112b is formed of a solid material as a whole, but an elastic surface made of rubber or the like having a certain hardness may be formed on the surface on which the secondary battery B is pressed.
- the elastic surface prevents the surface of the secondary battery B from being damaged by the pressure of the pressing block 112b.
- the lower pressing part 120 includes a lower pressing plate 121 facing the upper pressing plate 111 and a plurality of second elastic pressing members 122 .
- the lower pressing plate 121 may be formed in a shape corresponding to the upper pressing plate 111, and a plurality of second elastic pressing members 122 may be formed on the lower surface of the lower pressing plate 121 at equal intervals.
- Each of the second elastic pressing members 122 includes an elastic member 122a and a pressing block 122b.
- the secondary battery activation device configured as described above, in the activation process of a pouch-type battery or a prismatic battery, the secondary battery can be uniformly pressed as a whole regardless of the flatness of the secondary battery.
- the activation process performed with uniform pressurization makes it possible to remove the generated activation gas without local trapping, so that it is possible to manufacture a secondary battery in a uniformly charged state.
- FIGS. 7 to 11 are schematic cross-sectional views of a secondary battery activation device according to a second embodiment of the present invention
- FIGS. 8 to 11 are views showing press blocks formed in various shapes.
- the secondary battery activating device 200 includes an upper pressing part 210 and a lower pressing part 220 .
- the rest of the configuration is substantially the same as that of the first embodiment described above, so repeated description is omitted.
- the pressure blocks 212b and 222b are formed to have different sizes depending on the area where the secondary battery B is pressed. Specifically, the pressing blocks 212b and 222b for pressing the first area A1 having a constant electrode thickness of the secondary battery B are formed in a first size, and the second area A1 in which the thickness of the electrode of the secondary battery B becomes thinner. The pressing blocks 212b and 222b that press the area A2 (sliding area) are formed in a second size smaller than the first size. Specific values of the first size and the second size may be set according to the size and characteristics of the secondary battery (B).
- the sizes of the pressing blocks 212b and 222b are smaller, they can be uniformly pressed even with minute thickness changes. Since there is relatively little change in electrode thickness in the first area, the size of the pressure blocks 212b and 222b does not need to be small, and since the electrode thickness changes in the second area, the size of the pressure blocks 212b and 222b is smaller than the size of the first area. It is preferable to be formed in a second size smaller than the first size of.
- the number of the pressing blocks 212b and 222b and the elastic members 212a and 222a elastically supporting the pressing blocks required for device design can be reduced.
- FIG. 8 illustrates that the pressing blocks 212b and 222b of this embodiment are formed in a stripe shape having a predetermined width and length
- FIG. 9 illustrates that they are formed in a lattice shape with a predetermined area.
- FIG. 10 and 11 show the arrangement of the pressing blocks 212b and 222b of the secondary battery activation device when the electrode leads of the secondary battery B are formed on both sides.
- the pressure blocks 212b and 222b have a stripe shape
- the pressure blocks 212b and 222b have a lattice shape.
- FIGS. 12 to 16 are schematic cross-sectional views of a secondary battery activation device according to a third embodiment of the present invention
- FIGS. 13 to 16 are views showing press blocks formed in various shapes.
- the secondary battery activating device 300 includes an upper pressing part 310 and a lower pressing part 320 .
- the rest of the configuration is substantially the same as that of the first embodiment described above, and thus a repeated description is omitted.
- the pressing blocks 312b and 322b are formed to have different sizes depending on the area where the secondary battery B is pressed. Specifically, the pressing blocks 312b and 322b for pressing the first area A1 having a constant electrode thickness of the secondary battery B are formed in a first size, and the second area A1 in which the thickness of the electrode of the secondary battery B becomes thinner. The pressing blocks 312b and 322b that press the area A2 (sliding area) are formed to have a second size smaller than the first size and gradually decrease toward the end of the secondary battery.
- the electrode thickness in the second region does not decrease at a constant rate, and the decrease in electrode thickness may increase toward the end of the secondary battery B. Therefore, in this embodiment, the size of the pressing blocks 312b and 322b gradually decreases toward the end of the secondary battery, so that even when the thickness of the electrode in the second region gradually changes, the overall pressing force is uniform in the second region. to be able to provide
- FIG. 13 illustrates that the pressing blocks 312b and 322b of this embodiment are formed in a stripe shape having a predetermined width and length
- FIG. 14 illustrates that they are formed in a lattice shape with a predetermined area.
- FIG. 15 and 16 show the arrangement of the pressing blocks 312b and 322b of the secondary battery activation device when the electrode leads of the secondary battery B are formed on both sides.
- the pressure blocks 312b and 322b have a stripe shape
- the pressure blocks 312b and 322b have a lattice shape.
- a pressing block having a first size is formed in the center and a second area smaller than the first size is formed on both sides. 2
- a pressing block having a size gradually decreasing towards the end of the secondary battery is formed.
- the above-described activation device is used.
- the secondary battery manufacturing method of the present invention includes an activation step (S100), an aging step (S200), and a degas step (S300), and in the activation step (S100), the above-described activation device
- S100 activation step
- S200 aging step
- S300 degas step
- the battery cell is activated by applying pressure to the battery cell simultaneously with charging.
- the electrode assembly is accommodated in the battery case, the injection of the electrolyte solution is completed, and the battery cell in which the battery case is gas-sealed is charged with a predetermined SOC to perform an electrochemical reaction between the electrode active material and the electrolyte solution.
- SEI Solid Electrolyte Interface
- the battery cell may be a pouch-type battery cell in which an electrode assembly and an electrolyte are embedded in a battery case of a laminate sheet including a resin layer and a metal layer.
- the secondary battery When the secondary battery is activated, in order to prevent gas generated during charging from being trapped inside the electrode assembly, the battery is pressurized simultaneously with charging, and thus the internal gas moves out of the electrode assembly.
- the pressing step is performed using upper and lower pressing plates and a plurality of first and second elastic pressing members.
- Each of the first and second elastic pressing members includes an elastic member and a pressing block.
- the first and second elastic pressing members including the elastic member and the pressing block may uniformly press the secondary battery as a whole regardless of the flatness of the secondary battery in an activation process of a pouch type battery or a prismatic battery.
- the activation process performed with uniform pressurization makes it possible to remove the generated activation gas without local traps, thereby manufacturing a secondary battery in a uniformly charged state.
- the pressing blocks 112b and 122b may have the same size.
- the pressing blocks 212b and 222b for pressing the first area A1 having a constant electrode thickness are formed in a first size and press the second area A2 having a thin electrode thickness.
- the pressing blocks 212b and 222b may be formed in a second size smaller than the first size.
- the pressing blocks 312b and 322b for pressing the second region A2 may be formed to have a second size smaller than the first size, but gradually decrease toward the end of the secondary battery. there is.
- the aging step is a process of aging the secondary battery under various conditions in order to accelerate the stabilization of the SEI film formed through the activation step.
- room temperature aging may be performed to age the secondary battery for a predetermined time under room temperature/normal pressure conditions.
- high temperature aging may be performed instead of room temperature aging, and room temperature aging and high temperature aging may be performed. All can be done.
- the high-temperature aging by aging the battery in a high-temperature environment, can accelerate the stabilization of the SEI film, and the high-temperature aging and room-temperature aging processes can be sequentially performed on the activated battery.
- the high-temperature aging may be performed at a temperature of 50 °C to 100 °C, preferably 50 °C to 80 °C.
- the high-temperature aging may be performed for 1 to 30 hours, preferably 2 to 24 hours.
- the room temperature aging may be carried out at a temperature of 18°C to 28°C, specifically 19°C to 27°C, more specifically 20°C to 26°C, and more specifically 21°C to 25°C. Room temperature aging may be performed for 12 to 120 hours or 18 to 72 hours.
- the degassing step (S300) is a process of discharging oxygen gas generated during the activation and aging steps to the outside of the battery.
- the degassing step may be performed without limitation by a method commonly used in the battery field.
- the degassing step may include forming an opening by cutting a portion of the gas pocket portion or forming a through hole; discharging gas inside the secondary battery to the outside of the secondary battery through the opening or through-hole; and re-sealing the gas pocket unit.
- the forming of the opening or through-hole is a step of forming an opening or through-hole through which gas can be exhausted in a partial area of the gas pocket part in order to discharge gas inside the sealed secondary battery to the outside.
- a portion of the pouch may be cut to form the opening, and a piercing means capable of forming a hole in the pouch may be used to form the through hole, and the opening and the through hole may be formed, It is preferable that it is the upper part of a gas pocket part.
- the step of discharging the internal gas to the outside is a step of exhausting the gas containing oxygen present in the battery case to the outside through an opening or a through hole formed in the gas pocket part.
- the chamber in which the lithium secondary battery is accommodated may be created in a vacuum state, and internal gas of the lithium secondary battery may be discharged to the outside to be removed.
- a process of pressurizing the lithium secondary battery may be performed.
- the step of re-sealing the gas pocket is a step of re-sealing the lithium secondary battery for a degassing process, an aging process, or an additional charging process.
- the gas pocket portion may be sealed by cutting an area of the gas pocket portion including the opening or through hole, removing the opening or through hole from the gas pocket portion, and sealing the cut surface.
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
Abstract
Description
Claims (10)
- 상부 가압 플레이트와, 상기 상부 가압 플레이트의 하면에 복수개로 형성되는 제1 탄성 가압 부재들을 포함하는 상부 가압부; 및,상기 상부 가압 플레이트와 대향하여 형성되는 하부 가압 플레이트와, 상기 하부 가압 플레이트의 상면에 형성되는 복수개의 제2 탄성 가압 부재들을 포함하는 하부 가압부;를 포함하는 이차전지 활성화 장치.
- 청구항 1에 있어서,상기 제1 탄성 가압 부재는, 탄성 부재와 가압 블록을 포함하고, 상기 탄성 부재의 상단은 상기 상부 가압 플레이트의 하면에 고정 형성되고, 상기 탄성 부재의 하단은 상기 가압 블록에 고정 형성되는,상기 제2 탄성 가압 부재는, 탄성 부재와 가압 블록을 포함하고, 상기 탄성 부재의 하단은 상기 하부 가압 플레이트의 상면에 고정 형성되고, 상기 탄성 부재의 상단은 상기 가압 블록에 고정 형성되는,이차전지 활성화 장치.
- 청구항 2에 있어서,상기 탄성 부재는 스프링인, 이차전지 활성화 장치.
- 청구항 2에 있어서, 상기 가압 블록은,이차전지를 가압하는 면에는 탄성면이 형성된, 이차전지 활성화 장치.
- 청구항 2에 있어서,상기 제1 및 제2 탄성 가압 부재들을 구성하는 상기 가압 블록들 각각은,이차전지를 가압하는 가압 영역 전체에서 동일한 크기로 형성되는, 이차전지 활성화 장치.
- 청구항 2에 있어서,상기 제1 및 제2 탄성 가압 부재들을 구성하는 상기 가압 블록들 중에서,이차전지의 전극 두께가 일정한 제1 영역을 가압하는 가압 블록들은 제1 크기로 형성되고, 이차전지의 전극 두께가 얇아지는 제2 영역을 가압하는 가압 블록들은 상기 제1 크기 보다 작은 제2 크기로 형성되는,이차전지 활성화 장치.
- 청구항 6에 있어서,상기 제2 영역을 가압하는 가압 블록들은 상기 제1 크기 보다 작은 제2 크기로 형성되되, 상기 이차전지의 단부로 갈수록 점점 작아지도록 형성되는,이차전지 활성화 장치.
- 청구항 2 내지 청구항 7 중 어느 한 항에 있어서,상기 가압 블록들은 스트라이프 형상으로 형성되는, 이차전지 활성화 장치.
- 청구항 2 내지 청구항 7 중 어느 한 항에 있어서,상기 가압 블록들은 격자 형상으로 형성되는, 이차전지 활성화 장치.
- 이차전지의 활성화 단계에서, 청구항 1 내지 청구항 9 중 어느 한 항의 이차전지 활성화 장치를 이용하는 이차전지 제조 방법.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP22899005.7A EP4258401A4 (en) | 2021-11-23 | 2022-11-23 | SECONDARY BATTERY ACTIVATION APPARATUS AND METHOD FOR MANUFACTURING SECONDARY BATTERY USING SAME |
| JP2023542565A JP2024503436A (ja) | 2021-11-23 | 2022-11-23 | 二次電池活性化装置およびそれを用いた二次電池の製造方法 |
| US18/272,038 US20240072289A1 (en) | 2021-11-23 | 2022-11-23 | Secondary battery activating apparatus and secondary battery manufacturing method using same |
| CN202280010950.5A CN116724433A (zh) | 2021-11-23 | 2022-11-23 | 二次电池激活设备和使用该二次电池激活设备的二次电池制造方法 |
| JP2025106164A JP2025134925A (ja) | 2021-11-23 | 2025-06-24 | 二次電池活性化装置およびそれを用いた二次電池の製造方法 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020210162689A KR20230075963A (ko) | 2021-11-23 | 2021-11-23 | 이차전지 활성화 장치 및 이를 이용한 이차전지 제조 방법 |
| KR10-2021-0162689 | 2021-11-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2023096323A1 true WO2023096323A1 (ko) | 2023-06-01 |
Family
ID=86540019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/KR2022/018560 Ceased WO2023096323A1 (ko) | 2021-11-23 | 2022-11-23 | 이차전지 활성화 장치 및 이를 이용한 이차전지 제조 방법 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20240072289A1 (ko) |
| EP (1) | EP4258401A4 (ko) |
| JP (2) | JP2024503436A (ko) |
| KR (1) | KR20230075963A (ko) |
| CN (1) | CN116724433A (ko) |
| WO (1) | WO2023096323A1 (ko) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2025095378A1 (ko) * | 2023-10-30 | 2025-05-08 | 주식회사 엘지에너지솔루션 | 전지 셀 가압 패드 및 이를 포함하는 전지 셀 가압 장치 |
| CN117199494B (zh) * | 2023-11-08 | 2024-04-12 | 宁德时代新能源科技股份有限公司 | 电池加压装置和电池生产系统 |
| WO2026071564A1 (ko) * | 2024-09-30 | 2026-04-02 | 주식회사 엘지에너지솔루션 | 파우치형 전지셀 가압부재, 이를 포함하는 전지모듈 및 이를 이용한 파우치형 전지셀 가압방법 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130044776A (ko) * | 2011-10-24 | 2013-05-03 | 에스케이이노베이션 주식회사 | 배터리 셀 디가싱 장치 및 그 방법 |
| KR20130114624A (ko) * | 2012-04-09 | 2013-10-17 | 주식회사 엘지화학 | 클립형 탄성구조체를 포함하는 리튬 이차전지 및 이의 제조방법 |
| JP2013223870A (ja) * | 2012-04-20 | 2013-10-31 | Toyota Motor Corp | 二次電池の製造装置および製造方法 |
| JP2014011066A (ja) * | 2012-06-29 | 2014-01-20 | Toyota Motor Corp | 電池の初期充電方法、充電装置及び電池 |
| KR20180007854A (ko) * | 2016-07-14 | 2018-01-24 | 주식회사 엘지화학 | 전지셀 활성화 트레이 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3521083B2 (ja) * | 2002-07-25 | 2004-04-19 | 株式会社根本精機 | シート状被加圧体の加圧装置 |
| KR102004295B1 (ko) * | 2013-10-15 | 2019-07-29 | 에스케이이노베이션 주식회사 | 이차 전지의 제조방법 |
| KR101650858B1 (ko) | 2014-03-13 | 2016-08-24 | 주식회사 엘지화학 | 전지셀의 제조방법 및 전지셀의 가스 제거 장치 |
| KR101949973B1 (ko) * | 2016-04-15 | 2019-02-20 | 주식회사 엘지화학 | 전해액 함침장치 |
| KR102689714B1 (ko) * | 2018-11-02 | 2024-07-30 | 주식회사 엘지에너지솔루션 | 조립형 가압 지그, 이를 포함하는 충방전 가압 장치 및 이를 이용한 전지 셀의 충방전 방법 |
-
2021
- 2021-11-23 KR KR1020210162689A patent/KR20230075963A/ko not_active Ceased
-
2022
- 2022-11-23 US US18/272,038 patent/US20240072289A1/en active Pending
- 2022-11-23 EP EP22899005.7A patent/EP4258401A4/en active Pending
- 2022-11-23 JP JP2023542565A patent/JP2024503436A/ja active Pending
- 2022-11-23 WO PCT/KR2022/018560 patent/WO2023096323A1/ko not_active Ceased
- 2022-11-23 CN CN202280010950.5A patent/CN116724433A/zh active Pending
-
2025
- 2025-06-24 JP JP2025106164A patent/JP2025134925A/ja active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130044776A (ko) * | 2011-10-24 | 2013-05-03 | 에스케이이노베이션 주식회사 | 배터리 셀 디가싱 장치 및 그 방법 |
| KR20130114624A (ko) * | 2012-04-09 | 2013-10-17 | 주식회사 엘지화학 | 클립형 탄성구조체를 포함하는 리튬 이차전지 및 이의 제조방법 |
| JP2013223870A (ja) * | 2012-04-20 | 2013-10-31 | Toyota Motor Corp | 二次電池の製造装置および製造方法 |
| JP2014011066A (ja) * | 2012-06-29 | 2014-01-20 | Toyota Motor Corp | 電池の初期充電方法、充電装置及び電池 |
| KR20180007854A (ko) * | 2016-07-14 | 2018-01-24 | 주식회사 엘지화학 | 전지셀 활성화 트레이 |
Non-Patent Citations (1)
| Title |
|---|
| See also references of EP4258401A4 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2024503436A (ja) | 2024-01-25 |
| CN116724433A (zh) | 2023-09-08 |
| KR20230075963A (ko) | 2023-05-31 |
| EP4258401A1 (en) | 2023-10-11 |
| US20240072289A1 (en) | 2024-02-29 |
| EP4258401A4 (en) | 2024-11-27 |
| JP2025134925A (ja) | 2025-09-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2023096323A1 (ko) | 이차전지 활성화 장치 및 이를 이용한 이차전지 제조 방법 | |
| WO2019078453A1 (ko) | 균열 방지 구조를 포함하는 파우치형 전지케이스 및 이의 제조방법 | |
| WO2018101619A1 (ko) | 배터리 셀 디가싱 장치 | |
| WO2019164202A1 (ko) | 이차전지 용량 회복 방법 및 이차전지 용량 회복 장치 | |
| WO2014123363A1 (ko) | 스텝 유닛셀을 포함하는 단차를 갖는 전극 조립체 | |
| WO2022035124A1 (ko) | 이차전지용 실링장치 | |
| WO2021025337A1 (ko) | 이차전지의 가스 제거 장치 및 이를 이용한 가스 제거 방법 | |
| WO2021054603A1 (ko) | 이차전지 제조방법 및 이차전지 | |
| WO2020159081A1 (ko) | 자석을 포함하는 가압 지그 및 이를 포함하는 전지모듈 | |
| WO2022085976A1 (ko) | 가압 패드를 포함하는 전지 셀의 가압 지그 및 이를 이용한 전지 셀의 디가싱 방법 | |
| WO2020116856A1 (ko) | 벤팅 부재를 포함하는 파우치형 전지셀 및 이를 포함하는 전지팩 | |
| WO2021141311A1 (ko) | 이차전지 제조장치 및 이차전지 제조방법 | |
| WO2022010237A1 (ko) | 이차전지 | |
| WO2023058955A1 (ko) | 전극 조립체 및 이를 포함하는 전지 셀 | |
| WO2019017668A1 (ko) | 전극 조립체, 그 전극 조립체를 포함하는 이차전지 및 그 전극 조립체의 제조 방법 | |
| WO2015005697A1 (ko) | 적층 형태 안정성이 우수한 단차를 갖는 전극 조립체 및 그 제조방법 | |
| WO2021256804A1 (ko) | 이차 전지 및 그의 제조 방법 | |
| WO2024136398A1 (ko) | 전극 조립체, 이의 제조방법, 이차전지, 배터리 팩 및 이동수단 | |
| WO2023063736A1 (ko) | 가압 채널 및 이를 포함하는 이차전지 충방전 장치 | |
| WO2018056557A1 (ko) | 이차 전지, 전극 조립체 및 전극 조립체 제조 방법 | |
| WO2023282610A1 (ko) | 파우치 실링장치 | |
| WO2025110694A1 (ko) | 전지 셀 제조 방법 | |
| WO2021060770A1 (ko) | 이차전지 제조방법 및 이차전지 | |
| WO2022065709A1 (ko) | 접착력을 개선한 단위구조체 제조용 라미네이터 | |
| WO2022092570A1 (ko) | 포케팅 양극체의 제조방법, 포케팅 양극체 및 포케팅 양극체를 포함하는 전극조립체 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WWE | Wipo information: entry into national phase |
Ref document number: 2023542565 Country of ref document: JP |
|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 22899005 Country of ref document: EP Kind code of ref document: A1 |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 18272038 Country of ref document: US |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 202280010950.5 Country of ref document: CN |
|
| ENP | Entry into the national phase |
Ref document number: 2022899005 Country of ref document: EP Effective date: 20230707 |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |