WO2023128538A1 - 셀 탭 장력 측정 장치 및 셀 탭 장력 측정 방법 - Google Patents
셀 탭 장력 측정 장치 및 셀 탭 장력 측정 방법 Download PDFInfo
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- WO2023128538A1 WO2023128538A1 PCT/KR2022/021344 KR2022021344W WO2023128538A1 WO 2023128538 A1 WO2023128538 A1 WO 2023128538A1 KR 2022021344 W KR2022021344 W KR 2022021344W WO 2023128538 A1 WO2023128538 A1 WO 2023128538A1
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- WIPO (PCT)
- Prior art keywords
- tab
- cell
- tension
- lead
- bending
- Prior art date
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- 238000005259 measurement Methods 0.000 title abstract description 4
- 238000000691 measurement method Methods 0.000 title description 3
- 238000005452 bending Methods 0.000 claims abstract description 72
- 238000003825 pressing Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 8
- 238000012546 transfer Methods 0.000 description 18
- 238000007789 sealing Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 230000014509 gene expression Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
-
- 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
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/531—Electrode connections inside a battery casing
- H01M50/533—Electrode connections inside a battery casing characterised by the shape of the leads or tabs
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/569—Constructional details of current conducting connections for detecting conditions inside cells or batteries, e.g. details of voltage sensing terminals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
- H01M50/584—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries
- H01M50/586—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries inside the batteries, e.g. incorrect connections of electrodes
-
- 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 disclosure relates to an apparatus for measuring cell tap tension and a method for measuring cell tap tension.
- Secondary batteries are classified into coin-type batteries, cylindrical batteries, prismatic batteries, and pouch-type batteries according to the shape of a battery case.
- a pouch type battery in order to arrange a plurality of cells on a bus bar or the like, there is a case where the lead of the cell is bent. At this time, in the process of bending the lead, tension may be applied to the tab connected to the lead, and disconnection of the tab may occur.
- tension may be applied to the tab connected to the lead, and disconnection of the tab may occur.
- Patent Document 0001 Republic of Korea Patent Publication No. 10-2021-0021871 (2021.03.02)
- One of the objects of the present invention is to provide a cell tab tension measuring device and a cell tab tension measuring method capable of measuring the tension applied to the tab and thereby preventing disconnection of the tab.
- the present invention provides a tension measuring device for a cell including a tab and a lead connected to the tab, comprising: a pair of jigs for fixing the tab; a pair of bending dies for bending the leads; and a tension meter connected to the cell to measure tension applied to the tab when the lead is bent. It provides a cell tab tension measuring device comprising a.
- the present invention provides a method for measuring the tension of a cell including a tab and a lead connected to the tab, comprising the steps of fixing the tab; bending the lead; and measuring a tension applied to the tab when the lead is bent. It provides a cell tab tension measurement method comprising a.
- the present invention can provide a cell tab tension measuring device and a cell tab tension measuring method capable of measuring the tension applied to the tab and thereby preventing disconnection of the tab.
- Fig. 1 shows that the tab of the cell is fixed with a jig and the lead is bent with a bending die.
- FIG. 2 shows a cell tap tension measuring device according to an embodiment of the present invention.
- FIG 3 shows a state in which a tension measuring device according to an embodiment of the present invention is connected to a cell.
- Fig. 1 shows that the tab of the cell is fixed with a jig and the lead is bent with a bending die.
- the cell 10 includes a tab 10T and a lead 10L connected to the tab.
- the body 10B of the cell 10 may have a structure in which an electrode assembly including an anode and a cathode is sealed in a pouch together with an electrolyte, and the cell 10 may be a pouch type cell.
- the composition, structure, form, etc. of the cell 10 including the tab 10T and the lead 10L are not particularly limited, and various types of cells used in the art may be used in the practice of the present invention.
- the tab 10T of the cell 10 is fixed with a pair of jigs 110.
- the pair of jigs 110 include an upper jig 111 and a lower jig 112 .
- the pair of jigs 110 may press and fix the tab 10T from both sides of the tab 10T.
- the upper jig 111 is lowered and the lower jig 112 is raised so that these jigs contact both sides of the tab 10T, and the tab 10T is pressed and fixed from both sides of the tab 10T. there is.
- the lead 10L of the cell 10 is bent with a pair of bending dies 120 .
- the pair of bending dies 120 include an upper bending die 121 and a lower bending die 122 .
- the pair of bending dies 120 may press and bend the lead 10L from both sides of the lead 10L.
- the upper bending dies 121 are lowered and the lower bending dies 122 are raised so that these bending dies contact both sides of the lead 10L, and the lead 10L is bent by pressing it on both sides of the lead 10L.
- the pair of bending dies 120 may have a shape that engages with each other.
- the upper bending die 121 and the lower bending die 122 may have shapes corresponding to each other.
- the lower bending die 122 may have a concave portion corresponding to the convex portion of the upper bending die 121. there is. Therefore, the pair of bending dies 120 are engaged with each other as the upper bending die 121 descends and the lower bending die 122 rises, and the leads 10L disposed therebetween are separated from both sides of the leads 10L. It can be bent by pressing.
- the cell 10 may be transferred by the transfer unit 140 .
- the cell 10 being transferred to the transfer unit 140 is stopped for a predetermined time in the area where the lead 10L is bent, and the tab 10T is fixed with the jig 110 and the lead 10L is bent with the bending die 120.
- the transfer unit 140 may be a conveyor belt, but is not limited thereto.
- the transfer unit 140 may transfer the cell 10 in a direction penetrating and/or entering the drawing.
- FIG. 2 shows a cell tap tension measuring device according to an embodiment of the present invention.
- the cell tab tension measuring device 100 includes a pair of jigs 110 for fixing the tab 10T shown in FIG. 1 and a pair of bending dies for bending the lead 10L ( 120), and further includes a tension meter 130 for measuring the tension applied to the tab 10T when the lead 10L is bent.
- the cell tap tension measuring device 100 may further include a transfer unit 140 .
- the cell 10 includes a tab 10T and a lead 10L connected to the tab, as shown in detail in FIG. 1 .
- the arrangement direction of the cells 10 may also be the same as the direction shown in FIG. 1 . That is, the cell 10 may be arranged such that the tab 10T is positioned between the pair of jigs 110 and the lead 10L is positioned between the pair of bending dies 120 . Based on the drawing, the cell 10 may be arranged so that the lead 10L bent by the bending die 120 is located on the left side.
- the pair of jigs 110 include an upper jig 111 and a lower jig 112 .
- the pair of jigs 110 may press and fix the tab 10T from both sides of the tab 10T.
- the upper jig 111 is lowered and the lower jig 112 is raised so that these jigs contact both sides of the tab 10T, and the tab 10T is pressed and fixed from both sides of the tab 10T. there is.
- the pair of bending dies 120 include an upper bending die 121 and a lower bending die 122 .
- the pair of bending dies 120 may press and bend the lead 10L from both sides of the lead 10L.
- the upper bending dies 121 are lowered and the lower bending dies 122 are raised so that these bending dies contact both sides of the lead 10L, and the lead 10L is bent by pressing it on both sides of the lead 10L.
- the pair of bending dies 120 may have a shape that engages with each other.
- the upper bending die 121 and the lower bending die 122 may have shapes corresponding to each other.
- the lower bending die 122 may have a concave portion corresponding to the convex portion of the upper bending die 121. there is. Therefore, the pair of bending dies 120 are engaged with each other as the upper bending die 121 descends and the lower bending die 122 rises, and the leads 10L disposed therebetween are separated from both sides of the leads 10L. It can be bent by pressing.
- the cell 10 may be transferred by the transfer unit 140 , and thus the cell tap tension measuring device 100 may further include the transfer unit 140 .
- the cell 10 being transferred to the transfer unit 140 is stopped for a predetermined time in the area where the lead 10L is bent, and the tab 10T is fixed with the jig 110 and the lead 10L is bent with the bending die 120.
- the transfer unit 140 may be a conveyor belt, but is not limited thereto.
- the transfer unit 140 may transfer the cell 10 in a direction penetrating and/or entering the drawing.
- the tension meter 130 is connected to the cell 10 and measures the tension applied to the tab 10T when the lead 10L is bent.
- the tension meter 130 may be disposed on a side opposite to the side where the lead 10L of the cell 10 bent by the bending die 120 of the cell 10 is disposed and connected to the cell 10 . Based on the drawing, the tension meter 130 may be disposed on the right side of the cell 10 and connected to the cell 10. The tension meter 130 may be connected to the cell 10 and fixed to the cell 10, and through this, the tension applied to the cell 10 connected to the tension meter 130 may be measured.
- a direction of tension applied to the tab 10T may be a direction from the tab 10T toward the lead 10L.
- the tension measuring device 130 may measure tension acting in a direction in which the lead 10L of the tab 10T is connected. Based on the drawing, the tension measuring device 130 may measure the tension acting in the left direction of the tab 10T.
- any device capable of measuring the tension of the tab 10T when the lead 10L is bent by the bending die 120 can be used without limitation of its type.
- the tension measuring device 130 may be fixed on the transfer part 140 that transfers the cell 10 . Therefore, when the lead 10L is bent by being connected to the cell 10 disposed on the transfer unit 140 on the transfer unit 140, the tension applied to the tab 10T can be measured.
- the cell tab tension measuring device 100 measures the tension applied to the tab 10T when the lead 10L is bent with the tension measuring device 130, and through this, disconnection of the tab 10T can be prevented. there is. That is, when the tension measured by the tension measuring device 130 is equal to or greater than the threshold value, it may be determined that there is a possibility of disconnection of the tab 10T.
- the limit value of the tension may be a tension value at which the tab 10T is disconnected, or may be a value calculated by reflecting a safety factor to the tension at which the tab 10T is disconnected. For example, when the tension at which the tab 10T is disconnected is 110N, the limit value of the tension may be 110N or 55N reflecting a safety factor of 50%. However, this is only an example, and the limit value of the tension at which it can be determined that there is a possibility of disconnection of the tab 10T may be changed according to the actual design of the cell 10 .
- the cell 10 may be a dummy cell.
- a dummy cell may mean a cell separately manufactured for tension measurement, not an actual product. Due to the limitations of the space in which the cell 10 is arranged in the bending facility including the jig 110 and the bending die 120, it is difficult to arrange the tension meter 130 so as to be connected to the cell 10, and the cell tap tension measuring device ( 100), it may be difficult to measure the tension applied to the tab of the actual product cell. In this case, a dummy cell is fabricated, and the tension applied to the tab of the dummy cell is measured using the cell tap tension measuring device 100. Through this, the tension applied to the tab of the cell, which is an actual product, is predicted, and disconnection of the tab can be prevented. . However, when the space in which the cell 10 is disposed in the bending facility is sufficient, it is of course possible to directly measure the tension applied to the tab of the cell, which is an actual product.
- Factors that can affect the tension applied to the tab 10T when the lid 10L is bent include the material of the lid 10L, the sealing temperature of the lid film sealing between the lid 10L and the pouch, and the jig 110. There may be a pressure for pressing the tab 10T, a pressure for the bending die 120 to press the lead 10L, a bending shape (or a shape of a region in contact with the lead of the bending die), and the like. Therefore, when the tension applied to the tab of the cell is measured using the dummy cell, it may be desirable to make the material of the lead at least the same as that of the lead of the actual cell 10 .
- a lead material of the dummy cell aluminum (Al), copper (Cu), or an alloy thereof may be used.
- Al aluminum
- Cu copper
- the pressing pressure of the jig 110 and the bending die 120 will not be a problem when using the jig 110 and the bending die 120 that pressurize and bend the actual cell 10 .
- the present inventors manufactured a pouch-type dummy cell in the following manner. However, this is only an example, and the manufacturing method, structure, size, configuration, etc. of the dummy cell are not limited to the following examples. A person skilled in the art will be able to manufacture various types of dummy cells suitable for the cell tap tension measuring device 100 .
- aluminum foil was cut into a size of 150 mm X 40 mm (long side 150 mm, short side 40 mm) with a cutter to manufacture a lead.
- the polypropylene film was cut with scissors to a size of 105 mm X 15 mm (long side 105 mm, short side 15 mm), and the lead film was cut into 52.5 mm X 15 mm (long side 52.5 mm, short side 15 mm).
- both ends folded side and both ends disposed on the opposite side were sealed by heating one side with a PP sealing machine (Sambotech, SK-310K) for 0.5 seconds at 160 ° C.
- a lead is placed between the lead films so that the lead passes between the folded sides of the lead film, and both sides of the tape are heated with a sealer (UnixHair, UCI-2944FS) at 180°C for 3 to 4 seconds to seal the lead and the lead film. Sealed. Specifically, the long side of the lead 150 mm long was placed in the horizontal direction, and the lead film was sealed with the short side 15 mm long placed in the horizontal direction. At this time, the lead film was placed 30 mm away from the end of the lead. In addition, heating was performed after masking the area to be heated with a Teflon tape without directly contacting the sealing machine.
- a sealer UnixHair, UCI-2944FS
- the aluminum foil was cut into a size of 120 mm X 90 mm (long side 120 mm, short side 90 mm) with a cutter to prepare a pouch.
- fold the pouch in half so that it has a size of 60 mm X 90 mm, place a lead film between the pouch folded in half so that the lead film is located between the pouch and the lead, and then remove the other end from one end of the pouch at 220 ° C.
- the pouch and the lid were sealed by pressing in the opposite direction for 1-2 seconds to prepare a dummy cell. Specifically, the lid was placed with its long side of 150 mm in the horizontal direction, and the pouch was sealed with its long side of 90 mm in the horizontal direction.
- FIG 3 shows a state in which a tension measuring device according to an embodiment of the present invention is connected to a cell.
- the cell 10 may be connected to the tension measuring device 130 by having one end bit into the tension measuring device 130 . If necessary, the cell 10 may be fixed to the tension meter 130 with a separate screw or the like.
- the tension meter 130 may be disposed on the opposite side of the cell 10 bent by the bending die 120 to the side where the lead 10L is disposed and connected to the cell 10 .
- the tension meter 130 may be connected to the cell 10 and fixed to the cell 10, and through this, the tension applied to the cell 10 connected to the tension meter 130 may be measured.
- the cell tab tension measurement method measures the steps of fixing the tab 10T, the steps of bending the lead 10L, and the tension applied to the tab 10T when the lead 10L is bent. It includes measuring
- the tab 10T may be fixed by pressing both sides of the tab 10T. At this time, the tab 10T may be fixed with the pair of jigs 110 described above.
- the step of bending the lead 10L may be performed after the step of fixing the tab 10T.
- the lead 10L may be bent by pressing both sides of the lead 10L.
- the lead 10L may be bent by the pair of bending dies 120 described above.
- the tension measured in the step of measuring the tension applied to the tab 10T when the lead 10L is bent may be the tension applied from the tab 10T toward the lead 10L.
- the tension measured in the step of measuring the tension may be tension acting in a direction in which the lead 10L of the tab 10T is connected.
- the tension applied to the tab 10T may be measured by the tension measuring device 130 described above.
- the method for measuring cell tap tension may further include transferring the cell 10 .
- the cell 10 may be transferred by the transfer unit 140 described above.
- the content of the method for measuring cell tap tension can be applied substantially the same as the content described in the description of the cell tap tension measuring device according to an embodiment of the present invention, and thus a detailed description thereof will be omitted.
- first, second, etc. is for distinguishing elements from each other, and does not mean a priority between elements or an absolute order.
- a first element in some parts of this specification may be referred to as a second element in other parts of this specification.
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Abstract
Description
Claims (11)
- 탭 및 상기 탭과 연결된 리드를 포함하는 셀의 탭 장력 측정 장치로서,상기 탭을 고정시키는 한 쌍의 지그;상기 리드를 구부리는 한 쌍의 벤딩 다이; 및상기 셀과 연결되어 상기 리드가 구부러질 때 상기 탭에 걸리는 장력을 측정하는 장력 측정기; 를 포함하는,셀 탭 장력 측정 장치.
- 제1항에 있어서,상기 장력 측정기는 상기 탭의 상기 리드가 연결된 방향으로 작용하는 장력을 측정하는 것인,셀 탭 장력 측정 장치.
- 제1항에 있어서,상기 한 쌍의 지그는 상기 탭을 상기 탭의 양면에서 가압하여 고정시키는 것인,셀 탭 장력 측정 장치.
- 제1항에 있어서,상기 한 쌍의 벤딩 다이는 상기 리드를 상기 리드의 양면에서 가압하여 구부리는 것인,셀 탭 장력 측정 장치.
- 제1항에 있어서,상기 한 쌍의 벤딩 다이는 서로 맞물리는 형상을 갖는 것인,셀 탭 장력 측정 장치.
- 제1항에 있어서,상기 장력 측정기는 상기 셀의 상기 리드가 배치된 측의 반대측에 배치되어 상기 셀과 연결된 것인,셀 탭 장력 측정 장치.
- 제1항에 있어서,상기 셀은 더미(dummy) 셀인 것인,셀 탭 장력 측정 장치.
- 탭 및 상기 탭과 연결된 리드를 포함하는 셀의 장력 측정 방법으로서,상기 탭을 고정시키는 단계;상기 리드를 구부리는 단계; 및상기 리드가 구부러질 때 상기 탭에 걸리는 장력을 측정하는 단계; 를 포함하는,셀 탭 장력 측정 방법.
- 제8항에 있어서,상기 리드가 구부러질 때 상기 탭에 걸리는 장력을 측정하는 단계는 상기 탭의 상기 리드가 연결된 방향으로 작용하는 장력을 측정하는 것인,셀 탭 장력 측정 방법.
- 제8항에 있어서,상기 리드를 구부리는 단계는 상기 탭을 고정시키는 단계 이후에 수행되는 것인,셀 탭 장력 측정 방법.
- 제8항에 있어서,상기 탭을 고정시키는 단계에서 상기 탭은 상기 탭의 양면이 가압됨으로써 고정되고,상기 리드를 구부리는 단계에서 상기 리드는 상기 리드의 양면이 가압됨으로써 구부러지는 것인,셀 탭 장력 측정 방법.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2023552240A JP2024509127A (ja) | 2022-01-03 | 2022-12-27 | セルタブ張力測定装置及びセルタブ張力測定方法 |
EP22916679.8A EP4280371A1 (en) | 2022-01-03 | 2022-12-27 | Cell tab tension measurement device and cell tab tension measurement method |
US18/280,024 US20240151616A1 (en) | 2022-01-03 | 2022-12-27 | Tab Tension Measuring Device of Cell and Tab Tension Measuring Method of Cell |
CN202280018164.XA CN117015905A (zh) | 2022-01-03 | 2022-12-27 | 电池单体的接线片张力测量装置以及电池单体的接线片张力测量方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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KR10-2022-0000163 | 2022-01-03 | ||
KR1020220000163A KR20230105055A (ko) | 2022-01-03 | 2022-01-03 | 셀 탭 장력 측정 장치 및 셀 탭 장력 측정 방법 |
Publications (1)
Publication Number | Publication Date |
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WO2023128538A1 true WO2023128538A1 (ko) | 2023-07-06 |
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PCT/KR2022/021344 WO2023128538A1 (ko) | 2022-01-03 | 2022-12-27 | 셀 탭 장력 측정 장치 및 셀 탭 장력 측정 방법 |
Country Status (6)
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US (1) | US20240151616A1 (ko) |
EP (1) | EP4280371A1 (ko) |
JP (1) | JP2024509127A (ko) |
KR (1) | KR20230105055A (ko) |
CN (1) | CN117015905A (ko) |
WO (1) | WO2023128538A1 (ko) |
Citations (7)
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KR20160079697A (ko) * | 2014-12-26 | 2016-07-06 | 화낙 코퍼레이션 | 장력 감시 기능을 갖는 와이어 방전 가공기 |
KR20160124144A (ko) * | 2014-02-21 | 2016-10-26 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 집전체, 이차 전지, 전자 기기, 및 그 제작 방법 |
KR20190054617A (ko) * | 2017-11-14 | 2019-05-22 | 주식회사 엘지화학 | 전극 조립체, 이를 포함하는 이차전지 및 그 제조방법 |
KR20210021871A (ko) | 2019-08-19 | 2021-03-02 | 주식회사 엘지화학 | 전극탭 단선이 개선된 이차전지 제조 방법과 이를 이용한 이차전지, 그리고 이를 포함하는 이차전지 모듈과 팩 |
KR20210147520A (ko) * | 2020-05-29 | 2021-12-07 | 주식회사 엘지에너지솔루션 | 전극 기재의 인장강도 측정 방법 및 측정 장치 |
KR20220000163A (ko) | 2020-06-25 | 2022-01-03 | (주)이지원 | 차열 성능이 향상된 덕트용 방화댐퍼 |
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2022
- 2022-01-03 KR KR1020220000163A patent/KR20230105055A/ko unknown
- 2022-12-27 CN CN202280018164.XA patent/CN117015905A/zh active Pending
- 2022-12-27 WO PCT/KR2022/021344 patent/WO2023128538A1/ko active Application Filing
- 2022-12-27 EP EP22916679.8A patent/EP4280371A1/en active Pending
- 2022-12-27 JP JP2023552240A patent/JP2024509127A/ja active Pending
- 2022-12-27 US US18/280,024 patent/US20240151616A1/en active Pending
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KR20160124144A (ko) * | 2014-02-21 | 2016-10-26 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 집전체, 이차 전지, 전자 기기, 및 그 제작 방법 |
KR101531177B1 (ko) * | 2014-12-01 | 2015-06-24 | (주)원텍코리아 | 플렉시블 투명전극 시편의 폴더블 테스터장치 |
KR20160079697A (ko) * | 2014-12-26 | 2016-07-06 | 화낙 코퍼레이션 | 장력 감시 기능을 갖는 와이어 방전 가공기 |
KR20190054617A (ko) * | 2017-11-14 | 2019-05-22 | 주식회사 엘지화학 | 전극 조립체, 이를 포함하는 이차전지 및 그 제조방법 |
KR20210021871A (ko) | 2019-08-19 | 2021-03-02 | 주식회사 엘지화학 | 전극탭 단선이 개선된 이차전지 제조 방법과 이를 이용한 이차전지, 그리고 이를 포함하는 이차전지 모듈과 팩 |
KR20210147520A (ko) * | 2020-05-29 | 2021-12-07 | 주식회사 엘지에너지솔루션 | 전극 기재의 인장강도 측정 방법 및 측정 장치 |
KR20220000163A (ko) | 2020-06-25 | 2022-01-03 | (주)이지원 | 차열 성능이 향상된 덕트용 방화댐퍼 |
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KR20230105055A (ko) | 2023-07-11 |
EP4280371A1 (en) | 2023-11-22 |
JP2024509127A (ja) | 2024-02-29 |
CN117015905A (zh) | 2023-11-07 |
US20240151616A1 (en) | 2024-05-09 |
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