WO2023068656A1 - 가스 흡착제가 개재된 파우치를 포함하는 이차전지 및 그의 제조방법 - Google Patents
가스 흡착제가 개재된 파우치를 포함하는 이차전지 및 그의 제조방법 Download PDFInfo
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- WO2023068656A1 WO2023068656A1 PCT/KR2022/015513 KR2022015513W WO2023068656A1 WO 2023068656 A1 WO2023068656 A1 WO 2023068656A1 KR 2022015513 W KR2022015513 W KR 2022015513W WO 2023068656 A1 WO2023068656 A1 WO 2023068656A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- gas adsorbent
- secondary battery
- pouch case
- pouch
- excess
- Prior art date
Links
- 239000003463 adsorbent Substances 0.000 title claims abstract description 71
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000007789 sealing Methods 0.000 claims description 9
- 238000001994 activation Methods 0.000 claims description 8
- 239000011247 coating layer Substances 0.000 claims description 8
- 239000000843 powder Substances 0.000 claims description 8
- 229920000620 organic polymer Polymers 0.000 claims description 7
- 238000007872 degassing Methods 0.000 claims description 2
- 238000003860 storage Methods 0.000 description 19
- QHQSCKLPDVSEBJ-UHFFFAOYSA-N 1,3,5-tri(4-aminophenyl)benzene Chemical compound C1=CC(N)=CC=C1C1=CC(C=2C=CC(N)=CC=2)=CC(C=2C=CC(N)=CC=2)=C1 QHQSCKLPDVSEBJ-UHFFFAOYSA-N 0.000 description 6
- LNHGLSRCOBIHNV-UHFFFAOYSA-N 4-[tris(4-aminophenyl)methyl]aniline Chemical compound C1=CC(N)=CC=C1C(C=1C=CC(N)=CC=1)(C=1C=CC(N)=CC=1)C1=CC=C(N)C=C1 LNHGLSRCOBIHNV-UHFFFAOYSA-N 0.000 description 6
- ORILYTVJVMAKLC-UHFFFAOYSA-N adamantane Chemical compound C1C(C2)CC3CC1CC2C3 ORILYTVJVMAKLC-UHFFFAOYSA-N 0.000 description 6
- 229910001573 adamantine Inorganic materials 0.000 description 6
- UKJLNMAFNRKWGR-UHFFFAOYSA-N cyclohexatrienamine Chemical group NC1=CC=C=C[CH]1 UKJLNMAFNRKWGR-UHFFFAOYSA-N 0.000 description 6
- 230000014509 gene expression Effects 0.000 description 4
- SNLFYGIUTYKKOE-UHFFFAOYSA-N 4-n,4-n-bis(4-aminophenyl)benzene-1,4-diamine Chemical compound C1=CC(N)=CC=C1N(C=1C=CC(N)=CC=1)C1=CC=C(N)C=C1 SNLFYGIUTYKKOE-UHFFFAOYSA-N 0.000 description 3
- 230000004913 activation Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 239000000178 monomer Substances 0.000 description 3
- CKKNNPPUUXLVDT-UHFFFAOYSA-N pentacyclo[6.6.6.02,7.09,14.015,20]icosa-2(7),3,5,9(14),10,12,15(20),16,18-nonaene-4,11,17-triamine Chemical compound C12=CC=C(N)C=C2C2C3=CC=C(N)C=C3C1C1=CC=C(N)C=C12 CKKNNPPUUXLVDT-UHFFFAOYSA-N 0.000 description 3
- 230000000379 polymerizing effect Effects 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011244 liquid electrolyte Substances 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—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
- 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
- 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
- H01M50/394—Gas-pervious parts or elements
-
- 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 including a pouch coated with a gas adsorbent and a manufacturing method thereof.
- Pouch-type secondary batteries have advantages of low manufacturing cost, high energy density, and easy configuration of large-capacity battery packs through series or parallel connection, and are recently in the limelight as a power supply source for electric vehicles or hybrid vehicles.
- FIG. 1 is a view showing a manufacturing process of a general pouch type secondary battery.
- the manufacturing process of a general pouch-type secondary battery includes a process (a) of forming an upper storage portion 11a and a lower storage portion 11b in a pouch case 10, and a pouch case 10 Step (b) of inserting the cell 20, which is an electrode assembly, into the lower accommodating portion 11b of the pouch case 10, and the cell 20 stored in the lower accommodating portion 11b of the pouch case 10 Side sealing part 12 )
- the process (d) of forming the pouch case 10 injecting an electrolyte, which is a liquid electrolyte, into the pouch case 10 and removing gas through an activation process
- the upper and lower surfaces of the pouch case 10 are thermally fused to Process (e) of forming the sealing portion (13a) and the lower surface sealing portion (13b), and process (f) of cutting the excess portion (10a) except for the side sealing portion (12) of the pouch case (10) .
- the pouch case 10 generates gas by reacting with the electrolyte during charging, aging, and charging/discharging immediately after injecting an electrolyte, which is a liquid electrolyte, into the pouch case 10.
- an electrolyte which is a liquid electrolyte
- the excess portion 10a is longer than the length of the cell 20 .
- the surplus portion 10a is a part that is discarded in the process of manufacturing a secondary battery, and when the area of the surplus portion 10a increases, it causes an increase in the process cost of the secondary battery. In addition, since the excess portion 10a collects as much gas as is discharged by the gas pressure inside the battery, there is a limit in that degassing efficiency after activation is not sufficiently high.
- An object of the present invention is to solve the conventional problems as described above, and when the pouch case is folded, a long axis surface provided along the side surface of the pouch case and a short axis surface provided perpendicular to the long axis surface
- An object of the present invention is to provide a secondary battery including a pouch coated with a gas adsorbent and a manufacturing method thereof, which can reduce the process cost of the secondary battery by reducing the surplus portion of the discarded pouch case.
- the present invention in one embodiment, the present invention
- It provides a secondary battery including a; gas adsorbent interposed on the bonding surface of the surplus portion formed while folding the pouch case.
- the excess portion includes a long axis surface provided along the side of the pouch case and a short axis surface provided perpendicular to the long axis surface, and the short axis surface is 10 to 90% of the width of the folded pouch case, Specifically, 20 to 90% of the width standard; 30-90%; 40-90%; Alternatively, it may have a length of 50 to 90%.
- the gas adsorbent is applied to the bonding surface of the surplus portion in the form of forming a coating layer; applied to the bonding surface of the surplus in the form of a powder; Alternatively, it may be manufactured in a plate shape and attached to the bonding surface of the surplus.
- gas adsorbent may be continuously or discontinuously interposed along the long axis of the excess portion.
- the gas adsorbent may include azo-linked porous organic polymers (ALPs).
- ALPs azo-linked porous organic polymers
- a gas pocket portion for interposing the gas adsorbent may be additionally formed in the surplus portion.
- the excess portion When the pouch case is folded, the excess portion includes a long axis surface provided along the side of the pouch case and a short axis surface provided perpendicular to the long axis surface, and the short axis is 10 to 90% of the width of the folded pouch case Designing a pouch case to have a length of;
- It provides a method for manufacturing a secondary battery including forming a side sealing part by bonding the surplus part formed on the side surface of the pouch case and then removing gas using a gas adsorbent in an activation process.
- the gas adsorbent is applied to the bonding surface of the excess in the form of forming a coating layer, or applied to the bonding surface of the excess in the form of powder; Alternatively, it may be manufactured in a plate shape and attached to the bonding surface of the surplus.
- the gas adsorbent may include azo-linked porous organic polymers (ALPs).
- ALPs azo-linked porous organic polymers
- the manufacturing method of the secondary battery may further include, after the step of removing the gas, removing an excess portion of the side of the pouch case in which the gas adsorbent is interposed.
- the secondary battery according to the present invention can remove gas generated during activation of the secondary battery with high efficiency by introducing a gas adsorbent to the junction surface of the surplus portion provided in the pouch case during battery assembly, and the process of manufacturing the secondary battery It has the effect of reducing the process cost of the secondary battery by reducing the surplus of the pouch case discarded in the.
- FIG. 1 is a view showing a manufacturing process of a general pouch type secondary battery.
- FIG. 2 is a view showing a manufacturing process of a secondary battery including a pouch coated with a gas adsorbent according to the first embodiment of the present invention.
- FIG 3 is a cross-sectional view of a secondary battery including a pouch coated with a gas adsorbent according to a second embodiment of the present invention.
- FIG. 4 is a cross-sectional view of a secondary battery including a pouch coated with a gas adsorbent according to a third embodiment of the present invention.
- FIG. 2 is a view showing a manufacturing process of a secondary battery including a pouch coated with a gas adsorbent according to the first embodiment of the present invention.
- the pouch case 30 when the pouch case 30 is folded, the side of the pouch case 30 is removed. It includes a long axis surface provided along and a minor axis surface provided perpendicular to the long axis surface, and the short axis surface is designed to have a length of 10 to 90% of the width of the folded pouch case 30.
- In the process (j) of removing gas using the gas adsorbent 50 is included.
- the gas adsorbent 50 may be applied to the bonding surface of the excess portion 30a in the form of forming a coating layer.
- the gas adsorbent 50 may be applied in a powder form to a portion of the bonding surface of the excess portion 30a.
- the gas adsorbent 50 may be manufactured in a plate shape and attached to a part of the bonding surface of the excess portion 30a.
- the gas adsorbent 50 may be applied discontinuously along the long axis direction of the excess portion 30a.
- the gas adsorbent 50 uses azo-linked porous organic polymers (ALPs), 1,3,5,7-tetrakis(4-aminophenyl) adamantine (1,3 ,5,7-tetrakis (4-aminophenyl) adamantine, TAPA), 2,6,12-triaminotriptycene (TAT), tetrakis (4-aminophenyl) methane (tetrakis (4-aminophenyl) methane, TAM) or 1,3,5-tris (4-aminophenyl) benzene (1,3,5-tris (4-aminophenyl) benzene, TAB) It can be prepared by polymerizing the monomers of.
- ALPs azo-linked porous organic polymers
- 1,3,5,7-tetrakis(4-aminophenyl) adamantine (1,3 ,5,7-tetrakis (4-aminophen
- FIG 3 is a cross-sectional view of a secondary battery including a pouch coated with a gas adsorbent according to a second embodiment of the present invention.
- the secondary battery including the pouch coated with the gas adsorbent according to the second embodiment of the present invention is a pouch case in which an upper storage portion 31a and a lower storage portion 31b are formed ( 30), the cell 40 stored in the space formed by the upper storage part 31a and the lower storage part 31b, and the excess part 30a formed while folding the pouch case 30 It includes a gas adsorbent 50 interposed therein.
- the excess portion 30a includes a long axis surface provided along the side surface of the pouch case 30 and a minor axis surface provided perpendicular to the long axis surface, and the short axis surface is It has a length of 10 to 90% of the width.
- the gas adsorbent 50 may be applied to the bonding surface of the excess portion 30a in the form of forming a coating layer.
- the gas adsorbent 50 may be applied in a powder form to the bonding surface of the excess portion 30a.
- the gas adsorbent 50 may be manufactured in a plate shape and attached to a joint surface of the excess portion 30a.
- the gas adsorbent 50 may be interposed continuously or discontinuously along the long axis surface of the excess portion 30a.
- the gas adsorbent 50 uses azo-linked porous organic polymers (ALPs), 1,3,5,7-tetrakis(4-aminophenyl) adamantine (1,3 ,5,7-tetrakis (4-aminophenyl) adamantine, TAPA), 2,6,12-triaminotriptycene (TAT), tetrakis (4-aminophenyl) methane (tetrakis (4-aminophenyl) methane, TAM) or 1,3,5-tris (4-aminophenyl) benzene (1,3,5-tris (4-aminophenyl) benzene, TAB) It can be prepared by polymerizing the monomers of.
- ALPs azo-linked porous organic polymers
- 1,3,5,7-tetrakis(4-aminophenyl) adamantine (1,3 ,5,7-tetrakis (4-aminophen
- FIG. 4 is a cross-sectional view of a secondary battery including a pouch coated with a gas adsorbent according to a third embodiment of the present invention.
- the secondary battery including the pouch coated with the gas adsorbent according to the third embodiment of the present invention is a pouch case in which an upper storage portion 31a and a lower storage portion 31b are formed ( 30), the cell 40 stored in the space formed by the upper storage part 31a and the lower storage part 31b, and the excess part 30a formed while folding the pouch case 30 It includes a gas adsorbent 50 interposed therein, and has a structure in which a gas pocket portion 30b for the gas adsorbent 50 to be interposed is formed in the excess portion 30a.
- the excess portion 30a includes a long axis surface provided along the side surface of the pouch case 30 and a minor axis surface provided perpendicular to the long axis surface, and the short axis surface is It has a length of 10 to 90% of the width.
- the gas adsorbent 50 may be applied to the bonding surface of the excess portion 30a in the form of forming a coating layer.
- the gas adsorbent 50 may be applied in a powder form to a portion of the bonding surface of the excess portion 30a.
- the gas adsorbent 50 may be manufactured in a plate shape and attached to a part of the bonding surface of the excess portion 30a.
- the gas adsorbent 50 may be interposed continuously or discontinuously along the long axis surface of the excess portion 30a.
- the gas adsorbent 50 uses azo-linked porous organic polymers (ALPs), 1,3,5,7-tetrakis(4-aminophenyl) adamantine (1,3 ,5,7-tetrakis (4-aminophenyl) adamantine, TAPA), 2,6,12-triaminotriptycene (TAT), tetrakis (4-aminophenyl) methane (tetrakis (4-aminophenyl) methane, TAM) or 1,3,5-tris (4-aminophenyl) benzene (1,3,5-tris (4-aminophenyl) benzene, TAB) It can be prepared by polymerizing the monomers of.
- ALPs azo-linked porous organic polymers
- 1,3,5,7-tetrakis(4-aminophenyl) adamantine (1,3 ,5,7-tetrakis (4-aminophen
- an upper storage portion 31a and a lower storage portion 31b are formed in the pouch case 30 .
- the cell 40 as an electrode assembly is put into the lower storage part 31b of the pouch case 30 .
- the gas adsorbent 50 may be applied to the bonding surface of the excess portion 30a in the form of forming a coating layer, or the gas adsorbent 50 may be applied in the form of a powder to the bonding surface of the excess portion 30a.
- the gas adsorbent 50 may be manufactured in a plate shape and attached to the bonding surface of the excess portion 30a.
- the gas adsorbent 50 may be interposed continuously or discontinuously along the long axis surface of the excess portion 30a.
- the upper storage portion 31a of the pouch case 30 moves the cell 40 stored in the lower storage portion 31b. Fold the pouch case 30 to cover.
- the excess portion 30a includes a long axis surface provided along the side surface of the pouch case 30 and a short axis surface provided perpendicular to the long axis surface.
- the short axis surface is a folded pouch case It is designed to have a length of 10 to 90% compared to the width of (30).
- the surplus portion 30a formed on the side of the pouch case 30 is heat-sealed to form a side sealing portion, and then gas is removed using the gas adsorbent 50 during the activation process will do
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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)
- 파우치 케이스;상기 파우치 케이스의 내부에 수납되어 있는 셀; 및상기 파우치 케이스를 폴딩하면서 형성되는 잉여부의 접합면에 개재되어 있는 가스 흡착제;를 포함하는 이차전지.
- 제1항에 있어서,상기 잉여부는 파우치 케이스의 측면을 따라 마련되는 장축면과, 상기 장축면에 수직이 되도록 마련되는 단축면을 포함하고,상기 단축면은 폴딩된 파우치 케이스의 폭기준 10~90%의 길이를 갖는 이차전지.
- 제1항에 있어서,상기 가스 흡착제는 코팅층을 형성하는 형태로 잉여부의 접합면에 도포되는 이차전지.
- 제1항에 있어서,상기 가스 흡착제는 분말 형태로 잉여부의 접합면에 도포되는 이차전지.
- 제1항에 있어서,상기 가스 흡착제는 판상형으로 제조되어 잉여부의 접합면에 부착되는 이차전지.
- 제1항에 있어서,상기 가스 흡착제는 잉여부의 장축면을 따라서 연속적으로 개재되는 이차전지.
- 제1항에 있어서,상기 가스 흡착제는 잉여부의 장축면을 따라서 불연속적으로 개재되는 이차전지.
- 제1항에 있어서,상기 가스 흡착제는 아조-결합 다공성 유기 고분자(Azo-Linked Porous Organic Polymers, ALPs)를 포함하는 이차전지.
- 제1항에 있어서,상기 가스 흡착제가 개재되기 위한 가스 포켓부가 잉여부에 추가로 형성되는 이차전지.
- 파우치 케이스를 폴딩한 경우에 잉여부가 파우치 케이스의 측면을 따라 마련되는 장축면과 상기 장축면에 수직이 되도록 마련되는 단축면을 포함하고, 상기 단축면은 폴딩된 파우치 케이스의 폭기준 10~90%의 길이를 가지도록 파우치 케이스를 설계하는 단계;상기 파우치 케이스에 전극 조립체인 셀을 투입하는 단계;상기 파우치 케이스의 잉여부의 접합면에 가스 흡착제를 개재한 후에 상기 파우치 케이스를 폴딩하는 단계; 및상기 파우치 케이스의 측면에 형성되어 있는 잉여부를 접합시킴으로써 측면 실링부를 형성한 후 활성화 과정에서 가스 흡착제를 이용하여 가스를 제거하는 단계;를 포함하는 이차전지의 제조방법.
- 제10항에 있어서,상기 가스 흡착제는 코팅층을 형성하는 형태로 잉여부의 접합면에 도포되는 이차전지의 제조방법.
- 제10항에 있어서,상기 가스 흡착제는 분말형태로 잉여부의 접합면에 도포되는 이차전지의 제조방법.
- 제10항에 있어서,상기 가스 흡착제는 판상형으로 제조되어 잉여부의 접합면에 부착되는 이차전지의 제조방법.
- 제10항에 있어서,상기 가스 흡착제는 아조-결합 다공성 유기 고분자(Azo-Linked Porous Organic Polymers, ALPs)를 포함하는 이차전지의 제조방법.
- 제10항에 있어서,가스를 제거하는 단계 이후에,가스 흡착제가 개재된 파우치 케이스의 측면 잉여부를 제거하는 단계를 더 포함하는 이차전지의 제조방법.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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JP2023537475A JP2024503791A (ja) | 2021-10-20 | 2022-10-13 | ガス吸着剤が介在したパウチを含む二次電池およびその製造方法 |
CN202280008662.6A CN116686142A (zh) | 2021-10-20 | 2022-10-13 | 包括具有置入其中的气体吸收剂的袋的二次电池及其制造方法 |
EP22883879.3A EP4250434A1 (en) | 2021-10-20 | 2022-10-13 | Secondary battery including pouch with gas adsorbent interposed therein and method for manufacturing same |
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KR10-2021-0139834 | 2021-10-20 | ||
KR1020210139834A KR20230056142A (ko) | 2021-10-20 | 2021-10-20 | 가스 흡착제가 개재된 파우치를 포함하는 이차전지 및 그의 제조방법 |
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WO2023068656A1 true WO2023068656A1 (ko) | 2023-04-27 |
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PCT/KR2022/015513 WO2023068656A1 (ko) | 2021-10-20 | 2022-10-13 | 가스 흡착제가 개재된 파우치를 포함하는 이차전지 및 그의 제조방법 |
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EP (1) | EP4250434A1 (ko) |
JP (1) | JP2024503791A (ko) |
KR (1) | KR20230056142A (ko) |
CN (1) | CN116686142A (ko) |
WO (1) | WO2023068656A1 (ko) |
Citations (7)
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KR20080011477A (ko) | 2006-07-31 | 2008-02-05 | 주식회사 엘지화학 | 미실링 잉여부를 포함하고 있는 파우치형 이차전지 |
JP2010211927A (ja) * | 2009-03-06 | 2010-09-24 | Nissan Motor Co Ltd | 二次電池 |
KR20120139794A (ko) * | 2010-12-03 | 2012-12-27 | 파나소닉 주식회사 | 전지 팩 |
KR20170082328A (ko) * | 2016-01-06 | 2017-07-14 | 주식회사 엘지화학 | 가스 흡착성 고분자를 포함하고 있는 이차전지 |
JP2020509553A (ja) * | 2017-10-17 | 2020-03-26 | エルジー・ケム・リミテッド | ガスを排出可能な二次電池用パウチ型ケース |
KR20210014345A (ko) | 2019-07-30 | 2021-02-09 | 주식회사 엘지화학 | 공정 비용이 저감된 이차전지 및 그의 제조방법 |
KR102263429B1 (ko) * | 2017-03-22 | 2021-06-11 | 주식회사 엘지에너지솔루션 | 전지케이스의 크랙 방지를 위한 보조 실링부를 포함하는 전지셀의 제조 방법 |
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2021
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2022
- 2022-10-13 WO PCT/KR2022/015513 patent/WO2023068656A1/ko active Application Filing
- 2022-10-13 EP EP22883879.3A patent/EP4250434A1/en active Pending
- 2022-10-13 CN CN202280008662.6A patent/CN116686142A/zh active Pending
- 2022-10-13 JP JP2023537475A patent/JP2024503791A/ja active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20080011477A (ko) | 2006-07-31 | 2008-02-05 | 주식회사 엘지화학 | 미실링 잉여부를 포함하고 있는 파우치형 이차전지 |
JP2010211927A (ja) * | 2009-03-06 | 2010-09-24 | Nissan Motor Co Ltd | 二次電池 |
KR20120139794A (ko) * | 2010-12-03 | 2012-12-27 | 파나소닉 주식회사 | 전지 팩 |
KR20170082328A (ko) * | 2016-01-06 | 2017-07-14 | 주식회사 엘지화학 | 가스 흡착성 고분자를 포함하고 있는 이차전지 |
KR102263429B1 (ko) * | 2017-03-22 | 2021-06-11 | 주식회사 엘지에너지솔루션 | 전지케이스의 크랙 방지를 위한 보조 실링부를 포함하는 전지셀의 제조 방법 |
JP2020509553A (ja) * | 2017-10-17 | 2020-03-26 | エルジー・ケム・リミテッド | ガスを排出可能な二次電池用パウチ型ケース |
KR20210014345A (ko) | 2019-07-30 | 2021-02-09 | 주식회사 엘지화학 | 공정 비용이 저감된 이차전지 및 그의 제조방법 |
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KR20230056142A (ko) | 2023-04-27 |
EP4250434A1 (en) | 2023-09-27 |
CN116686142A (zh) | 2023-09-01 |
JP2024503791A (ja) | 2024-01-29 |
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