JP7486880B2 - ベンティング誘導部が形成されたパウチ型電池ケースの製造方法及び前記方法によって製造されたパウチ型電池ケース - Google Patents
ベンティング誘導部が形成されたパウチ型電池ケースの製造方法及び前記方法によって製造されたパウチ型電池ケース Download PDFInfo
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- 238000013022 venting Methods 0.000 title claims description 57
- 238000000034 method Methods 0.000 title claims description 43
- 230000006698 induction Effects 0.000 title claims description 42
- 238000004519 manufacturing process Methods 0.000 title claims description 35
- 238000000465 moulding Methods 0.000 claims description 25
- 239000010410 layer Substances 0.000 claims description 21
- 229910052751 metal Inorganic materials 0.000 claims description 17
- 239000002184 metal Substances 0.000 claims description 17
- 230000008569 process Effects 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 8
- 238000003825 pressing Methods 0.000 claims description 7
- 239000012790 adhesive layer Substances 0.000 claims description 6
- 239000011247 coating layer Substances 0.000 claims description 4
- 238000003860 storage Methods 0.000 description 15
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 10
- 229910052744 lithium Inorganic materials 0.000 description 10
- 238000010586 diagram Methods 0.000 description 6
- 238000004880 explosion Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 230000001939 inductive effect Effects 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
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- 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
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- H01M50/30—Arrangements for facilitating escape of gases
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- H01M50/172—Arrangements of electric connectors penetrating the casing
- H01M50/174—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells
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- H01M50/50—Current conducting connections for cells or batteries
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- H01M50/547—Terminals characterised by the disposition of the terminals on the cells
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- Chemical & Material Sciences (AREA)
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- Electrochemistry (AREA)
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- Inorganic Chemistry (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Description
101 外部被覆層
102 金属層
103 内部接着層
110、210、310 ラミネートシート
111、211、311 パウチ型電池ケース
112、212 電極組立体収納部
112a 電極組立体収納部の底
113、213、314、315 ベンティング誘導部
121、221、321 第1下部成形型
125、225、325 突起
131、231、331 第1上部成形型
135、235、335 凹部
222 第2下部成形型
232 第2上部成形型
311a 上部ケース
311b 下部ケース
Claims (10)
- パウチ型電池ケース用ラミネートシートを下部成形型上に位置させる段階(a)と、
上部成形型で前記ラミネートシートを押圧して電極組立体収納部を成形する段階(b)と、
前記電極組立体収納部の底にベンティング誘導部を成形する段階(c)と、
前記電極組立体収納部及び前記ベンティング誘導部が成形されたパウチ型電池ケースを前記下部成形型から取り外す段階(d)と、
を含む、パウチ型電池ケースの製造方法において、
前記段階(c)は、ベンティング誘導部の金属層の厚さを薄くするために複数回遂行される、パウチ型電池ケースの製造方法。 - 前記段階(b)及び前記段階(c)は順次遂行され、
前記段階(b)は、下面のサイズが電極組立体収納部の底に対応するサイズを有する第2上部成形型及び第2下部成形型を用い、
前記段階(c)は、下面のサイズが電極組立体収納部の底に対応するサイズを有し、下面には凹部が形成されている第1上部成形型、及び前記第1上部成形型の凹部に対応する上面に突起が形成されている第1下部成形型を用いる、請求項1に記載のパウチ型電池ケースの製造方法。 - 前記凹部は前記第1上部成形型の中心部に形成される、請求項2に記載のパウチ型電池ケースの製造方法。
- 前記凹部に前記突起が挿入される構造を有し、前記凹部と前記突起は互いに対応するサイズ及び形態を有し、
前記突起の形態は、多角錐、多角錐台、円錐、円錐台、及び半球の中でいずれか一つである、請求項2または3に記載のパウチ型電池ケースの製造方法。 - 前記突起は、複数の突起が前記下部成形型の中心部に集中するように形成される、請求項4に記載のパウチ型電池ケースの製造方法。
- 前記段階(c)は、ラミネートシートを複数回プレスする過程を含む、請求項1に記載のパウチ型電池ケースの製造方法。
- 外部被覆層、金属層及び内部接着層を含む上部ケース及び下部ケースからなり、
前記上部ケース及び前記下部ケースの中で少なくとも一つには電極組立体収納部が形成され、
前記電極組立体収納部にはベンティング誘導部が形成されている、請求項1~6のいずれか一項に記載のパウチ型電池ケースの製造方法。 - 前記ベンティング誘導部において前記金属層の厚さは前記ベンティング誘導部を除いた電極組立体収納部の底の厚さより薄い、請求項7に記載のパウチ型電池ケースの製造方法。
- 前記ベンティング誘導部は前記電極組立体収納部の底の中心部に形成されている、請求項7または8に記載のパウチ型電池ケースの製造方法。
- 前記ベンティング誘導部のベンティング圧力は熱融着で密封される前記上部ケース及び前記下部ケースのシーリング部のベンティング圧力より小さい、請求項7~9のいずれか一項に記載のパウチ型電池ケースの製造方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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KR10-2019-0140964 | 2019-11-06 | ||
KR1020190140964A KR20210054825A (ko) | 2019-11-06 | 2019-11-06 | 벤팅 유도부가 형성된 파우치형 전지케이스 제조방법 및 상기 방법에 의해 제조된 파우치형 전지케이스 |
PCT/KR2020/013793 WO2021091097A1 (ko) | 2019-11-06 | 2020-10-08 | 벤팅 유도부가 형성된 파우치형 전지케이스 제조방법 및 상기 방법에 의해 제조된 파우치형 전지케이스 |
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JP7486880B2 true JP7486880B2 (ja) | 2024-05-20 |
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US (1) | US20220407171A1 (ja) |
EP (1) | EP4037084A4 (ja) |
JP (1) | JP7486880B2 (ja) |
KR (1) | KR20210054825A (ja) |
CN (1) | CN114600302A (ja) |
WO (1) | WO2021091097A1 (ja) |
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KR20230123695A (ko) * | 2022-02-17 | 2023-08-24 | 주식회사 엘지에너지솔루션 | 전지 모듈 및 이를 포함하는 전지 팩 |
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JP2004052100A (ja) | 2002-05-27 | 2004-02-19 | Nippon Steel Corp | 電池用外装材 |
JP2014022224A (ja) | 2012-07-19 | 2014-02-03 | Gs Yuasa Corp | 蓄電素子 |
JP2016039094A (ja) | 2014-08-08 | 2016-03-22 | 日産自動車株式会社 | 積層型電池及び電池モジュール |
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KR100399789B1 (ko) | 2001-10-30 | 2003-09-29 | 삼성에스디아이 주식회사 | 리튬 폴리머 전지 |
KR100968050B1 (ko) | 2007-04-20 | 2010-07-08 | 주식회사 엘지화학 | 안전성이 향상된 전지셀 |
KR101074022B1 (ko) * | 2007-08-10 | 2011-10-17 | 주식회사 엘지화학 | 향상된 안전성의 이차전지 |
KR101273472B1 (ko) * | 2010-11-10 | 2013-06-14 | 주식회사 이아이지 | 파우치형 이차 전지의 제조 방법 및 이에 의한 파우치형 이차 전지 |
KR20140015769A (ko) * | 2012-07-24 | 2014-02-07 | 삼성에스디아이 주식회사 | 이차 전지 |
US9748548B2 (en) * | 2013-07-30 | 2017-08-29 | Johnson Controls Technology Company | Pouch frame with integral circuitry for battery module |
KR102421369B1 (ko) | 2016-11-25 | 2022-07-15 | 주식회사 엘지에너지솔루션 | 파우치형 이차전지의 제조방법 및 이에 사용되는 지그 |
KR20180092444A (ko) * | 2017-02-09 | 2018-08-20 | 주식회사 엘지화학 | 원통형 리튬 이차전지 |
KR102263480B1 (ko) * | 2017-04-17 | 2021-06-11 | 주식회사 엘지에너지솔루션 | 예비 절단선이 형성된 파우치형 이차전지 |
UA120374C2 (uk) | 2017-04-20 | 2019-11-25 | Варваренко Олександр | Система симуляції відкритого фрахтового ринку та спосіб відображення відкритого фрахтового ринку |
US10446819B2 (en) * | 2017-09-27 | 2019-10-15 | Ford Global Technologies, Llc | Apparatus and method for directed vent gas expulsion in battery cells |
KR102019682B1 (ko) * | 2017-12-08 | 2019-09-09 | 주식회사 엘지화학 | 열가소성 수지가 채워진 벤트를 포함하는 이차전지용 전지케이스 |
KR102237954B1 (ko) * | 2018-03-06 | 2021-04-08 | 주식회사 엘지화학 | 파우치 제조장치 및 방법, 이차전지 제조방법 |
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JP2004052100A (ja) | 2002-05-27 | 2004-02-19 | Nippon Steel Corp | 電池用外装材 |
JP2014022224A (ja) | 2012-07-19 | 2014-02-03 | Gs Yuasa Corp | 蓄電素子 |
JP2016039094A (ja) | 2014-08-08 | 2016-03-22 | 日産自動車株式会社 | 積層型電池及び電池モジュール |
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EP4037084A4 (en) | 2022-12-21 |
JP2022554117A (ja) | 2022-12-28 |
CN114600302A (zh) | 2022-06-07 |
WO2021091097A1 (ko) | 2021-05-14 |
EP4037084A1 (en) | 2022-08-03 |
US20220407171A1 (en) | 2022-12-22 |
KR20210054825A (ko) | 2021-05-14 |
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