WO2013108996A1 - 파우치형 전지와 파우치형 전지의 실링 장치 및 실링 방법 - Google Patents
파우치형 전지와 파우치형 전지의 실링 장치 및 실링 방법 Download PDFInfo
- Publication number
- WO2013108996A1 WO2013108996A1 PCT/KR2012/011141 KR2012011141W WO2013108996A1 WO 2013108996 A1 WO2013108996 A1 WO 2013108996A1 KR 2012011141 W KR2012011141 W KR 2012011141W WO 2013108996 A1 WO2013108996 A1 WO 2013108996A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pouch
- sealing
- type battery
- present
- battery
- Prior art date
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 118
- 238000000034 method Methods 0.000 title claims abstract description 13
- 239000003792 electrolyte Substances 0.000 claims description 10
- 239000008151 electrolyte solution Substances 0.000 claims description 9
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 239000004743 Polypropylene Substances 0.000 abstract description 4
- -1 polypropylene Polymers 0.000 abstract description 4
- 229920001155 polypropylene Polymers 0.000 abstract description 4
- 239000005022 packaging material Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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
- 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
- H01M10/04—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
- 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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/183—Sealing members
- H01M50/186—Sealing members characterised by the disposition of the sealing members
-
- 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
- H01M50/183—Sealing members
- H01M50/19—Sealing members characterised by the material
- H01M50/193—Organic material
-
- 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 sealing device and a sealing method of a pouch-type battery and a pouch-type battery for sealing the edge after inserting a battery assembly including a negative electrode, a separator and a positive electrode in a pouch-type packaging material and injecting an electrolyte solution.
- a pouch-type battery includes a battery assembly including a negative electrode, a separator, and a positive electrode in a pouch-type packaging material, injects electrolyte, and seals an edge.
- the sealing tool is arranged above and below the sealing portion at the edge of the pouch so that the sealing is made by applying pressure and heat to the sealing portion.
- the sealing method of the conventional pouch-type battery has the following problems.
- the sealing Since the sealing is made to a certain thickness when sealing the sealing portion, the sealing portion is pushed into the pouch occurs.
- the present invention has been made in view of the above-described problems, and an object thereof is to provide a sealing device and a sealing method for a pouch-type battery and a pouch-type battery which can prevent the sealing portion from being pushed into the pouch.
- a battery assembly including a negative electrode, a positive electrode, and a separator is disposed inside a pouch, and then, an electrolyte solution is injected into the pouch, and then the pouch is sealed.
- the sealing tool is characterized in that the sealing is arranged so that the thickness becomes thinner from the inner side to the outer side of the sealing portion.
- a sealing device for a pouch-type battery characterized in that the sealing tool is disposed to be inclined so as to be closer between the sealing tool from the inner side to the outer side.
- the present invention includes an electrode assembly input step into which the electrode assembly is put into the pouch, an electrolyte injection step of injecting an electrolyte solution into the pouch, a sealing step of sealing the edge of the pouch, wherein the pouch is sealed in the sealing step
- the sealing part provides a sealing method of a pouch-type battery, characterized in that the sealing is made so that the thickness becomes thinner from the inner side to the outer side.
- the present invention includes a battery assembly including a negative electrode, a positive electrode, and a separator, a pouch in which the battery assembly is located, and an electrolyte injected into the pouch, and a sealing portion in which the pouch is sealed is thicker from the inner side to the outer side.
- a pouch type battery characterized by being thinner.
- the sealing is made with a difference in the thickness of the sealing part, it is possible to prevent the sealing part made of polypropylene from being pushed into the pouch.
- the sealing part since the sealing part is not pushed into the pouch, the interference with the electrolyte in the pouch may be prevented and the sealing part may be prevented from sticking to the separator inside the pouch.
- FIG. 1 is a conceptual diagram illustrating a sealing device of a pouch-type battery according to an embodiment of the present invention.
- Figure 2 is a step showing a sealing method of the pouch-type battery according to an embodiment of the present invention.
- FIG 3 is an assembly view of the pouch-type battery according to an embodiment of the present invention.
- FIG. 4 is a cross-sectional view of a pouch-type battery according to an embodiment of the present invention.
- the pouch-type battery includes a battery assembly including a negative electrode, a positive electrode, and a separator in a pouch-type packaging material, injects electrolyte, and seals an edge.
- FIG. 1 a sealing apparatus for sealing the edge of the pouch-type battery is shown in FIG. 1
- the sealing tool 200 is disposed above and below the sealing unit 110 of the pouch 100.
- the sealing unit 110 may be made of a material such as polypropylene.
- the sealing tool 200 is preferably disposed so that the sealing is made so that the thickness difference of the sealing unit 110.
- the sealing tool 200 disposed above and below the sealing unit 110 so as to become closer between the sealing tool 200 disposed above and below the sealing unit 110 toward the outside from the inside of the sealing unit 110.
- These are arranged so as to be inclined respectively.
- the sealing tool 200 is disposed so as to be inclined so that the cross-sectional area decreases toward the inside in the direction in which the sealing unit 110 is inserted therebetween.
- the outer direction of the sealing unit 110 is formed inward of the horizontal line H.
- the inner side of the above-mentioned sealing unit 110 means a portion where the battery assembly is located, and the outer side means the opposite direction.
- the sealing is made by pressing the sealing part 110 from the top and the bottom by the sealing tool 200 disposed above and below the sealing part 110 to apply pressure and heat, respectively.
- the sealing is made by the inclined sealing tool 200, the sealing is made so that the thickness of the sealing portion 110 becomes thinner from the inside of the sealing portion 110 toward the outside.
- Sealing method of the pouch-type battery includes an electrode assembly injection step (S10), an electrolyte injection step (S20), and a sealing step (S30).
- the battery assembly 11 including the negative electrode, the positive electrode, and the separator is inserted into the pouch 100.
- the pouch 100 is manufactured in the form of a pouch with an open top, and generally, two pouch members are overlapped to seal both sides and the bottom except the top, and the battery assembly 11 is introduced into the open top.
- the pouch 100 may be used by folding the pouch member to seal only both sides.
- the electrolyte injection step (S20) is a step of injecting the electrolyte solution into the pouch 100 that passed through the electrode assembly injection step (S10).
- Sealing step (S30) is a step of sealing the edge of the pouch 100. At this time, it is preferable that the sealing is made so as to become thinner from the inside of the sealing part to the thickness difference of the sealing part 110 when sealing the edge sealing part 110.
- the pouch type battery 10 includes a battery assembly 11, a pouch 100, and an electrolyte solution.
- the battery assembly 11 includes a negative electrode, a positive electrode, and a separator.
- the pouch 100 has a battery assembly 11 located therein, and seals portions except the upper portion as shown in FIG. 3, and the battery assembly 11 is inserted through the opened upper portion.
- the electrolyte is injected into the pouch 100 and serves as a medium for ion conduction when electrolyzed in the battery assembly 11.
- the pouch 100 is characterized in that the thickness of the sealing portion 110 to be sealed is thinner from the inner side to the outer side.
- the sealing is made with a difference in thickness of the sealing part, thereby preventing the sealing part made of polypropylene from being pushed into the pouch.
- the sealing part since the sealing part is not pushed into the pouch, the interference with the electrolyte in the pouch may be prevented and the sealing part may be prevented from sticking to the separator inside the pouch.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Secondary Cells (AREA)
Abstract
Description
Claims (4)
- 음극, 양극, 및 분리막을 포함하는 전지 조립체를 파우치의 내부에 위치한 후, 상기 파우치 내부에 전해액을 주입한 후 파우치를 실링하는 파우치형 전지의 실링 장치에 있어서,파우치의 실링부 상, 하에 배치되는 실링툴을 포함하고,상기 실링툴은 상기 실링부의 내측에서 외측으로 갈수록 두께가 얇아지도록 실링이 이루어지도록 배치되는 것을 특징으로 하는 파우치형 전지의 실링 장치.
- 제1항에 있어서,상기 실링부의 내측에서 외측으로 갈수록 상기 실링툴의 사이가 가까워지도록 상기 실링툴이 경사지게 배치되는 것을 특징으로 하는 파우치형 전지의 실링 장치.
- 전극 조립체가 파우치에 투입되는 전극조립체투입단계;상기 파우치에 전해액이 주입되는 전해액주입단계;상기 파우치의 가장자리를 실링하는 실링단계를 포함하되,상기 실링단계에서 상기 파우치가 실링되는 실링부는 내측에서 외측으로 갈수록 두께가 얇아지도록 실링이 이루어지는 것을 특징으로 하는 파우치형 전지의 실링 방법.
- 음극, 양극, 및 분리막을 포함하는 전지 조립체;상기 전지조립체가 내부에 위치하는 파우치; 및상기 파우치 내부에 주입되는 전해액;을 포함하고,상기 파우치가 실링되는 실링부는 내측에서 외측으로 갈수록 두께가 얇아지는 것을 특징으로 하는 파우치형 전지.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014553243A JP2015507833A (ja) | 2012-01-20 | 2012-12-20 | パウチ型電池、並びにパウチ型電池のシール装置およびシール方法 |
US14/373,045 US20140370372A1 (en) | 2012-01-20 | 2012-12-20 | Pouch-Type Battery, and Apparatus and Method for Sealing Pouch-Type Battery |
CN201280067402.2A CN104067403A (zh) | 2012-01-20 | 2012-12-20 | 袋型电池、袋型电池的密封装置以及密封方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020120006727A KR20130085719A (ko) | 2012-01-20 | 2012-01-20 | 파우치형 전지의 실링 장치 및 실링 방법 |
KR10-2012-0006727 | 2012-01-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2013108996A1 true WO2013108996A1 (ko) | 2013-07-25 |
Family
ID=48799391
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2012/011141 WO2013108996A1 (ko) | 2012-01-20 | 2012-12-20 | 파우치형 전지와 파우치형 전지의 실링 장치 및 실링 방법 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20140370372A1 (ko) |
JP (1) | JP2015507833A (ko) |
KR (1) | KR20130085719A (ko) |
CN (1) | CN104067403A (ko) |
WO (1) | WO2013108996A1 (ko) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102192993B1 (ko) * | 2014-08-14 | 2020-12-21 | 에스케이이노베이션 주식회사 | 이차전지용 파우치 및 이를 포함하는 이차전지 |
KR102238623B1 (ko) | 2014-10-15 | 2021-04-08 | 에스케이이노베이션 주식회사 | 이차 전지용 젤리 롤 |
KR101925982B1 (ko) * | 2015-11-11 | 2018-12-06 | 주식회사 엘지화학 | 파우치형 이차전지 및 그의 제조방법 |
KR101940150B1 (ko) * | 2015-12-11 | 2019-01-18 | 주식회사 엘지화학 | 이차전지용 실링장치 |
KR102137757B1 (ko) * | 2017-12-21 | 2020-07-24 | 주식회사 엘지화학 | 파우치 케이스 실링 장치 |
JP7386178B2 (ja) * | 2018-04-30 | 2023-11-24 | シェブロン ユー.エス.エー. インコーポレイテッド | ダウンフロー水素化処理リアクタのためのノズル |
CN111341946B (zh) * | 2018-12-18 | 2022-05-17 | 宁德新能源科技有限公司 | 电芯及电池 |
CN111341945B (zh) * | 2018-12-18 | 2022-01-25 | 宁德新能源科技有限公司 | 电芯及电池 |
WO2022139427A1 (ko) * | 2020-12-24 | 2022-06-30 | 주식회사 엘지에너지솔루션 | 전지셀 및 이의 제조 장치 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2000277066A (ja) * | 1999-03-29 | 2000-10-06 | Japan Storage Battery Co Ltd | 非水電解質二次電池 |
JP2004087239A (ja) * | 2002-08-26 | 2004-03-18 | Nissan Motor Co Ltd | 電池およびその製造方法、ならびに組電池、組電池モジュール |
KR100624967B1 (ko) * | 2005-01-28 | 2006-09-19 | 삼성에스디아이 주식회사 | 파우치형 리튬 이차 전지 및 그의 제조 방법 |
KR20100126226A (ko) * | 2009-05-21 | 2010-12-01 | 주식회사 엘지화학 | 내수성 파우치형 이차전지 |
KR20110109824A (ko) * | 2010-03-30 | 2011-10-06 | 삼성에스디아이 주식회사 | 파우치형 이차 전지 및 그 제조 방법 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1330019C (zh) * | 1998-11-06 | 2007-08-01 | 株式会社杰士汤浅 | 非水二次电解质电池 |
JP5569065B2 (ja) * | 2010-03-16 | 2014-08-13 | 凸版印刷株式会社 | リチウムイオン電池用容器、これを備えたリチウムイオン電池、およびリチウムイオン電池用容器の製造方法 |
-
2012
- 2012-01-20 KR KR1020120006727A patent/KR20130085719A/ko not_active Application Discontinuation
- 2012-12-20 US US14/373,045 patent/US20140370372A1/en not_active Abandoned
- 2012-12-20 JP JP2014553243A patent/JP2015507833A/ja active Pending
- 2012-12-20 WO PCT/KR2012/011141 patent/WO2013108996A1/ko active Application Filing
- 2012-12-20 CN CN201280067402.2A patent/CN104067403A/zh active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000277066A (ja) * | 1999-03-29 | 2000-10-06 | Japan Storage Battery Co Ltd | 非水電解質二次電池 |
JP2004087239A (ja) * | 2002-08-26 | 2004-03-18 | Nissan Motor Co Ltd | 電池およびその製造方法、ならびに組電池、組電池モジュール |
KR100624967B1 (ko) * | 2005-01-28 | 2006-09-19 | 삼성에스디아이 주식회사 | 파우치형 리튬 이차 전지 및 그의 제조 방법 |
KR20100126226A (ko) * | 2009-05-21 | 2010-12-01 | 주식회사 엘지화학 | 내수성 파우치형 이차전지 |
KR20110109824A (ko) * | 2010-03-30 | 2011-10-06 | 삼성에스디아이 주식회사 | 파우치형 이차 전지 및 그 제조 방법 |
Also Published As
Publication number | Publication date |
---|---|
US20140370372A1 (en) | 2014-12-18 |
CN104067403A (zh) | 2014-09-24 |
KR20130085719A (ko) | 2013-07-30 |
JP2015507833A (ja) | 2015-03-12 |
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