JP6006874B2 - 安全ベントを有するパウチ型二次電池 - Google Patents
安全ベントを有するパウチ型二次電池 Download PDFInfo
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- JP6006874B2 JP6006874B2 JP2015524209A JP2015524209A JP6006874B2 JP 6006874 B2 JP6006874 B2 JP 6006874B2 JP 2015524209 A JP2015524209 A JP 2015524209A JP 2015524209 A JP2015524209 A JP 2015524209A JP 6006874 B2 JP6006874 B2 JP 6006874B2
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- seal portion
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- secondary battery
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- 230000000694 effects Effects 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000007789 sealing Methods 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
- 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
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/64—Heating or cooling; Temperature control characterised by the shape of the cells
- H01M10/647—Prismatic or flat cells, e.g. pouch cells
-
- 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
-
- 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
- H01M50/308—Detachable arrangements, e.g. detachable vent plugs or plug systems
-
- 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
- H01M50/317—Re-sealable arrangements
-
- 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
- H01M50/35—Gas exhaust passages comprising elongated, tortuous or labyrinth-shaped exhaust passages
- H01M50/367—Internal gas exhaust passages forming part of the battery cover or case; Double cover vent systems
-
- 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
- H01M50/543—Terminals
- H01M50/547—Terminals characterised by the disposition of the terminals on the cells
- H01M50/55—Terminals characterised by the disposition of the terminals on the cells on the same side of the cell
-
- 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
- H01M50/543—Terminals
- H01M50/552—Terminals characterised by their shape
- H01M50/553—Terminals adapted for prismatic, pouch or rectangular cells
- H01M50/557—Plate-shaped terminals
-
- 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
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)
- Gas Exhaust Devices For Batteries (AREA)
Description
図1は、本発明の第1実施例に係るパウチ型二次電池の分解斜視図である。図2は、図1のパウチ型二次電池のシール部を基準とした簡略横断面図である。図2では、電極リード20及び電極タブの図示を省略した。
図3は、本発明の第2実施例に係るパウチ型二次電池のシール部を基準とした簡略横断面図である。図3では、電極リード20及び電極タブの図示を省略しており、第1実施例と共通の内容は、重複説明を避けるために大部分省略し、第1実施例と相違する点を中心に説明することを明らかにしておく。
図4は、本発明の第3実施例に係るパウチ型二次電池のシール部を基準とした簡略横断面図である。図4では、電極リード20及び電極タブの図示を省略しており、第2実施例と共通の内容は、重複説明を避けるために大部分省略し、第2実施例と相違する点を中心に説明することを明らかにしておく。
図5は、本発明の第4実施例に係るパウチ型二次電池のシール部を基準とした簡略横断面図である。図5では、電極リード20及び電極タブの図示を省略しており、第1実施例と共通の内容は、重複説明を避けるために大部分省略し、第1実施例と相違する点を中心に説明することを明らかにしておく。
Claims (7)
- 電極組立体;及び
前記電極組立体を収容し、縁部に形成されたシール部を有するパウチ型ケース;を備え、
前記シール部は、閉曲線をなして前記電極組立体を外部と遮断する内部シール部;及び前記内部シール部との間にガス流路を形成しながら、前記内部シール部の外郭を取り囲んで安全ベントを有する外部シール部;を含み、
前記シール部は、前記内部シール部及び前記外部シール部と全て離隔されたまま前記ガス流路に沿って配置される中間シール部をさらに備えていることを特徴とするパウチ型二次電池。 - 前記外部シール部のシール面の幅は、前記内部シール部のシール面の幅よりも広いことを特徴とする請求項1に記載のパウチ型二次電池。
- 前記外部シール部のシール面の幅は、前記中間シール部のシール面の幅よりも広く、前記中間シール部のシール面の幅は、前記内部シール部のシール面の幅よりも広いことを特徴とする請求項1に記載のパウチ型二次電池。
- 前記中間シール部は閉曲線をなすことを特徴とする請求項1に記載のパウチ型二次電池。
- 前記中間シール部は、前記内部シール部と前記外部シール部との間のガス流動を許容する中間ベントを有することを特徴とする請求項1に記載のパウチ型二次電池。
- 前記中間ベントは、前記安全ベントの反対側に位置することを特徴とする請求項5に記載のパウチ型二次電池。
- 前記安全ベントは、群集された複数個のベントからなることを特徴とする請求項1に記載のパウチ型二次電池。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2013-0049316 | 2013-05-02 | ||
KR1020130049316A KR101620666B1 (ko) | 2013-05-02 | 2013-05-02 | 안전 벤트를 갖는 파우치형 이차전지 |
PCT/KR2014/003691 WO2014178580A1 (ko) | 2013-05-02 | 2014-04-25 | 안전 벤트를 갖는 파우치형 이차전지 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2015526858A JP2015526858A (ja) | 2015-09-10 |
JP6006874B2 true JP6006874B2 (ja) | 2016-10-12 |
Family
ID=51563344
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015524209A Active JP6006874B2 (ja) | 2013-05-02 | 2014-04-25 | 安全ベントを有するパウチ型二次電池 |
Country Status (5)
Country | Link |
---|---|
US (1) | US9768429B2 (ja) |
JP (1) | JP6006874B2 (ja) |
KR (1) | KR101620666B1 (ja) |
CN (2) | CN203850366U (ja) |
WO (1) | WO2014178580A1 (ja) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101620666B1 (ko) * | 2013-05-02 | 2016-05-12 | 주식회사 엘지화학 | 안전 벤트를 갖는 파우치형 이차전지 |
JP6330634B2 (ja) * | 2014-11-26 | 2018-05-30 | 株式会社オートネットワーク技術研究所 | 蓄電モジュール |
CN106469791A (zh) * | 2015-08-18 | 2017-03-01 | 有量科技股份有限公司 | 锂电池模块 |
KR20170050884A (ko) * | 2015-11-02 | 2017-05-11 | 주식회사 코캄 | 파우치 타입 이차전지 |
JP6594738B2 (ja) * | 2015-11-02 | 2019-10-23 | 株式会社エンビジョンAescエナジーデバイス | フィルム外装電池 |
KR102504793B1 (ko) * | 2015-11-23 | 2023-02-27 | 삼성에스디아이 주식회사 | 이차전지 |
KR102347901B1 (ko) * | 2017-10-17 | 2022-01-06 | 주식회사 엘지에너지솔루션 | 균열 방지 구조를 포함하는 파우치형 전지케이스 및 이의 제조방법 |
WO2019087956A1 (ja) * | 2017-10-30 | 2019-05-09 | 京セラ株式会社 | 電気化学セルおよび電気化学セルスタック |
KR102385711B1 (ko) * | 2018-06-07 | 2022-04-12 | 주식회사 엘지에너지솔루션 | 이차전지 내부 발생 가스 실시간 분석 장치 |
CN111341945B (zh) * | 2018-12-18 | 2022-01-25 | 宁德新能源科技有限公司 | 电芯及电池 |
JP7259691B2 (ja) * | 2019-10-08 | 2023-04-18 | トヨタ自動車株式会社 | ラミネート構造体 |
US11668756B2 (en) | 2020-09-25 | 2023-06-06 | Google Llc | Battery degradation monitoring system and methods |
US11680918B2 (en) | 2020-09-25 | 2023-06-20 | Google Llc | Thermal gradient battery monitoring system and methods |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100601547B1 (ko) * | 2004-10-01 | 2006-07-19 | 삼성에스디아이 주식회사 | 파우치형 이차 전지 |
WO2006098242A1 (ja) * | 2005-03-17 | 2006-09-21 | Nec Corporation | フィルム外装電気デバイスおよびその製造方法 |
JP4968423B2 (ja) * | 2005-05-30 | 2012-07-04 | 大日本印刷株式会社 | リチウム電池の外装体 |
JP2007200717A (ja) * | 2006-01-26 | 2007-08-09 | Toyota Motor Corp | 電池セル |
KR100959090B1 (ko) | 2007-12-18 | 2010-05-20 | 주식회사 엘지화학 | 안전성이 개선된 파우치형 이차전지 |
KR101436641B1 (ko) * | 2008-07-08 | 2014-09-01 | 주식회사 엘지화학 | 진공의 수분차단방지부를 포함하는 이차전지 및 이의 제조방법 |
KR101452001B1 (ko) * | 2009-10-09 | 2014-10-23 | 주식회사 엘지화학 | 파우치형 이차전지의 제조방법 및 파우치형 이차전지 |
KR101082196B1 (ko) * | 2009-12-23 | 2011-11-09 | 삼성에스디아이 주식회사 | 이차 전지 및 이차 전지의 제조방법 |
KR101419570B1 (ko) * | 2010-03-12 | 2014-07-14 | 주식회사 엘지화학 | 가스 배출부를 포함하는 파우치형 리튬 이차 전지 및 그 제조방법 |
KR20120102953A (ko) | 2011-03-09 | 2012-09-19 | 삼성중공업 주식회사 | 노즐 지지 구조체 |
KR101245282B1 (ko) * | 2011-03-09 | 2013-03-19 | 주식회사 엘지화학 | 파우치형 이차전지 및 이의 제조 방법 |
KR101620666B1 (ko) * | 2013-05-02 | 2016-05-12 | 주식회사 엘지화학 | 안전 벤트를 갖는 파우치형 이차전지 |
-
2013
- 2013-05-02 KR KR1020130049316A patent/KR101620666B1/ko active IP Right Grant
-
2014
- 2014-04-25 JP JP2015524209A patent/JP6006874B2/ja active Active
- 2014-04-25 WO PCT/KR2014/003691 patent/WO2014178580A1/ko active Application Filing
- 2014-05-05 CN CN201420226212.7U patent/CN203850366U/zh not_active Expired - Lifetime
- 2014-05-05 CN CN201410186972.4A patent/CN104134770B/zh active Active
- 2014-11-25 US US14/553,255 patent/US9768429B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
CN104134770A (zh) | 2014-11-05 |
WO2014178580A1 (ko) | 2014-11-06 |
US9768429B2 (en) | 2017-09-19 |
KR20140130844A (ko) | 2014-11-12 |
US20150079436A1 (en) | 2015-03-19 |
JP2015526858A (ja) | 2015-09-10 |
CN203850366U (zh) | 2014-09-24 |
KR101620666B1 (ko) | 2016-05-12 |
CN104134770B (zh) | 2017-05-03 |
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