JP7140449B2 - 二次電池用トップキャップ、二次電池及びその二次電池の製造方法 - Google Patents
二次電池用トップキャップ、二次電池及びその二次電池の製造方法 Download PDFInfo
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- 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 of a single cell or a single battery
- H01M50/147—Lids or covers
- H01M50/148—Lids or covers characterised by their shape
- H01M50/152—Lids or covers characterised by their shape for cells having curved cross-section, e.g. round or elliptic
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
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- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
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- 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
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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
- H01M10/44—Methods for charging or discharging
- H01M10/446—Initial charging measures
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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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
- H01M4/0438—Processes of manufacture in general by electrochemical processing
- H01M4/044—Activating, forming or electrochemical attack of the supporting material
- H01M4/0445—Forming after manufacture of the electrode, e.g. first charge, cycling
- H01M4/0447—Forming after manufacture of the electrode, e.g. first charge, cycling of complete cells or cells stacks
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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
- 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 of a single cell or a single battery
- H01M50/147—Lids or covers
-
- 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 of a single cell or a single battery
- 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
- H01M50/179—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells for cells having curved cross-section, e.g. round or elliptic
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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
- 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 of a single cell or a single battery
- H01M50/183—Sealing members
- H01M50/184—Sealing members characterised by their shape or structure
-
- 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 of a single cell or a single battery
- 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
- H01M50/30—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
- H01M50/30—Arrangements for facilitating escape of gases
- H01M50/375—Vent means sensitive to or responsive to temperature
-
- 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
- H01M50/574—Devices or arrangements for the interruption of current
- H01M50/581—Devices or arrangements for the interruption of current in response to temperature
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2200/00—Safety devices for primary or secondary batteries
- H01M2200/10—Temperature sensitive devices
- H01M2200/106—PTC
-
- 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
- H01M50/574—Devices or arrangements for the interruption of current
-
- 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
Description
本出願は、2019年1月14日付韓国特許出願第10-2019-0004804号に基づいた優先権の利益を主張し、当該韓国特許出願の文献に開示されている全ての内容は本明細書の一部として含まれる。
図1は、本発明の第1実施形態に係る二次電池用トップキャップの構造を示した斜視図である。図2は、本発明の第1実施形態に係る二次電池用トップキャップの構造を示した側断面図である。
図5は、本発明に係る二次電池の製造方法において、突出領域による密封ステップがなされる前の姿を示した側断面図である。図6は、本発明に係る二次電池の製造方法において、突出領域による密封ステップがなされ、二次電池の製造が完了した後の姿を示した側断面図である。
図1から図6に示されている通り、本発明に係る二次電池の製造方法は、上部が開放されている電池ケース100を備えるステップと、電池ケース100の内部に電極組立体150を収容するステップと、電極組立体150の上部に貫通ホール200aが形成されている貫通ホール形成部材200を備えるステップと、貫通ホール形成部材200の上部に位置し、周囲領域310、中心領域320または連結領域330から下方に突き出され、かつ、貫通ホール200aに対応される水平断面(cross section)の形状を有する突出領域340を含むトップキャップ300を電池ケース100の上部に結合するステップとを含むことができる。
Claims (9)
- 上部が開放された電池ケースと、
前記電池ケースの内部に備えられる電極組立体と、
前記電極組立体の上部に備えられて貫通ホールが形成される貫通ホール形成部材と、
前記電池ケースの上部に結合される二次電池用トップキャップであって、
前記トップキャップの外周面を形成する周囲領域と、
前記トップキャップの中心部を形成する中心領域と、
前記周囲領域と前記中心領域を連結する連結領域と、
前記周囲領域、中心領域または連結領域から下方に突き出された突出領域と
を含み、
二次電池の電池ケースの開放されている上部に結合される二次電池用トップキャップとを含んでなり、
前記突出領域のうち少なくとも一部は前記貫通ホールに挿入され、前記貫通ホール形成部材に形成されている前記貫通ホールに前記トップキャップの突出領域が挿入されることにより、二次電池内部の密封性が確保される、二次電池。 - 前記中心領域は円板の形状を有し、
前記突出領域は、前記中心領域の中心から下方に突き出される、請求項1に記載の二次電池。 - 前記突出領域は、一の字の形状を有して下方に延長される棒部を含む、請求項1または請求項2に記載の二次電池。
- 前記突出領域は、前記棒部の側面に形成される突起部をさらに含む、請求項3に記載の二次電池。
- 前記突出領域は、ジグザグ(zigzag)の形状を有して下方に延長されるジグザグ部を含む、請求項1または請求項2に記載の二次電池。
- シートの形状を有し、前記突出領域と前記貫通ホールの間に備えられ、少なくとも一部が前記貫通ホールに挿入される密封シートをさらに含む、請求項1から5のいずれか一項に記載の二次電池。
- 前記貫通ホール形成部材は、PTC素子及びキャッププレートのうち少なくともいずれか一つを含む、請求項1から6のいずれか一項に記載の二次電池。
- 上部が開放された電池ケースの内部に電極組立体を収容するステップと、
前記電極組立体の上部に貫通ホールが形成された貫通ホール形成部材を備えるステップと、
前記貫通ホール形成部材の上部に位置し、下方に突き出され、かつ、前記貫通ホールに対応される断面(cross section)の形状を有する突出領域を含むトップキャップを前記電池ケースの上部に結合するステップと、
前記電極組立体を充電する充電ステップと、
前記充電ステップで、二次電池の内部に発生したガスを排出した後に、
前記突出領域が下方に移動し、前記突出領域が前記貫通ホール形成部材の前記貫通ホールを密封する密封ステップと、
を含む二次電池の製造方法。 - 前記密封ステップ以前に、シート形状の密封シートを前記貫通ホール形成部材の前記貫通ホールの上部に備えるステップをさらに含み、
前記密封ステップにおいて、前記突出領域が下方に移動するに伴い、前記密封シートのうち少なくとも一部が前記貫通ホール形成部材の前記貫通ホールに挿入される、請求項8に記載の二次電池の製造方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020190004804A KR102538690B1 (ko) | 2019-01-14 | 2019-01-14 | 이차전지용 탑 캡, 이차전지 및 그 이차전지의 제조방법 |
KR10-2019-0004804 | 2019-01-14 | ||
PCT/KR2019/018517 WO2020149549A1 (ko) | 2019-01-14 | 2019-12-26 | 이차전지용 탑 캡, 이차전지 및 그 이차전지의 제조방법 |
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JP2021514521A JP2021514521A (ja) | 2021-06-10 |
JP7140449B2 true JP7140449B2 (ja) | 2022-09-21 |
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JP2020540468A Active JP7140449B2 (ja) | 2019-01-14 | 2019-12-26 | 二次電池用トップキャップ、二次電池及びその二次電池の製造方法 |
Country Status (6)
Country | Link |
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US (1) | US11276895B2 (ja) |
EP (1) | EP3739653A4 (ja) |
JP (1) | JP7140449B2 (ja) |
KR (1) | KR102538690B1 (ja) |
CN (1) | CN111699569B (ja) |
WO (1) | WO2020149549A1 (ja) |
Families Citing this family (1)
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KR102016643B1 (ko) * | 2016-09-19 | 2019-08-30 | 주식회사 엘지화학 | 이차전지 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2010186648A (ja) | 2009-02-12 | 2010-08-26 | Fdk Energy Co Ltd | 筒状電池 |
JP2013084480A (ja) | 2011-10-11 | 2013-05-09 | Toyota Motor Corp | 電池の製造方法 |
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JPH05144425A (ja) | 1991-11-20 | 1993-06-11 | Matsushita Electric Ind Co Ltd | 電池用防爆封口板とその製造法 |
KR100202928B1 (ko) * | 1996-03-30 | 1999-06-15 | 전주범 | 유기 전해액 전지용 안전장치 |
US6410186B1 (en) | 1998-08-21 | 2002-06-25 | Eveready Battery Company, Inc. | Battery construction having double seam cover closure |
KR100369068B1 (ko) * | 1999-04-16 | 2003-01-24 | 삼성에스디아이 주식회사 | 원통형 2차 전지 |
JP2000323114A (ja) * | 1999-05-12 | 2000-11-24 | At Battery:Kk | 密閉電池 |
JP2001229903A (ja) * | 2000-02-15 | 2001-08-24 | Sony Corp | 非水電解液電池及びその製造方法 |
KR100346385B1 (ko) | 2000-09-18 | 2002-08-01 | 삼성에스디아이 주식회사 | 이차전지의 안전장치 |
JP4565862B2 (ja) | 2004-03-09 | 2010-10-20 | 三洋電機株式会社 | 電解液の供給方法 |
KR100839782B1 (ko) | 2006-11-30 | 2008-06-19 | 삼성에스디아이 주식회사 | 이차전지 |
US20110111277A1 (en) * | 2008-07-29 | 2011-05-12 | Kunihiko Bessho | Current collector for non-aqueous electrolyte secondary battery, electrode for non-aqueous electrolyte secondary battery, production methods thereof, and non-aqueous electrolyte secondary battery |
JP5994670B2 (ja) | 2013-02-15 | 2016-09-21 | 株式会社豊田自動織機 | 蓄電装置及び蓄電装置の製造方法 |
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-
2019
- 2019-01-14 KR KR1020190004804A patent/KR102538690B1/ko active IP Right Grant
- 2019-12-26 CN CN201980011897.9A patent/CN111699569B/zh active Active
- 2019-12-26 EP EP19910232.8A patent/EP3739653A4/en active Pending
- 2019-12-26 WO PCT/KR2019/018517 patent/WO2020149549A1/ko unknown
- 2019-12-26 US US16/970,833 patent/US11276895B2/en active Active
- 2019-12-26 JP JP2020540468A patent/JP7140449B2/ja active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2010186648A (ja) | 2009-02-12 | 2010-08-26 | Fdk Energy Co Ltd | 筒状電池 |
JP2013084480A (ja) | 2011-10-11 | 2013-05-09 | Toyota Motor Corp | 電池の製造方法 |
Also Published As
Publication number | Publication date |
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CN111699569A (zh) | 2020-09-22 |
WO2020149549A1 (ko) | 2020-07-23 |
EP3739653A4 (en) | 2021-04-07 |
EP3739653A1 (en) | 2020-11-18 |
CN111699569B (zh) | 2022-11-22 |
JP2021514521A (ja) | 2021-06-10 |
US11276895B2 (en) | 2022-03-15 |
KR20200088154A (ko) | 2020-07-22 |
US20200381680A1 (en) | 2020-12-03 |
KR102538690B1 (ko) | 2023-06-01 |
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