JP7207639B2 - 電池ケースの腐食を防止する円筒型電池用ガスケット及びこれを含む円筒型電池 - Google Patents
電池ケースの腐食を防止する円筒型電池用ガスケット及びこれを含む円筒型電池 Download PDFInfo
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- 238000005260 corrosion Methods 0.000 title description 12
- 230000007797 corrosion Effects 0.000 title description 12
- 238000002788 crimping Methods 0.000 claims description 31
- 230000000903 blocking effect Effects 0.000 claims description 7
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- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 15
- 229910052759 nickel Inorganic materials 0.000 description 7
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- 238000000034 method Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 4
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- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
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- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 description 2
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
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- 229910052742 iron Inorganic materials 0.000 description 1
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- 239000002952 polymeric resin Substances 0.000 description 1
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- 229920005989 resin Polymers 0.000 description 1
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- 235000010344 sodium nitrate Nutrition 0.000 description 1
- 239000004317 sodium nitrate Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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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
- H01M50/147—Lids or covers
- H01M50/166—Lids or covers characterised by the methods of assembling casings with lids
-
- 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
- H01M50/107—Primary casings; Jackets or wrappings characterised by their shape or physical structure having curved cross-section, e.g. round or elliptic
-
- 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
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
- H01M50/124—Primary casings; Jackets or wrappings characterised by the material having a layered structure
- H01M50/1245—Primary casings; Jackets or wrappings characterised by the material having a layered structure characterised by the external coating on the casing
-
- 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
- H01M50/14—Primary casings; Jackets or wrappings for protecting against damage caused by external factors
- H01M50/145—Primary casings; Jackets or wrappings for protecting against damage caused by external factors for protecting against corrosion
-
- 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
- H01M50/147—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
- 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
-
- 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
- H01M50/147—Lids or covers
- H01M50/166—Lids or covers characterised by the methods of assembling casings with lids
- H01M50/167—Lids or covers characterised by the methods of assembling casings with lids by crimping
-
- 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
- H01M50/184—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
- 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
-
- 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
-
- 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
- H01M50/578—Devices or arrangements for the interruption of current in response to pressure
-
- 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Gas Exhaust Devices For Batteries (AREA)
- Connection Of Batteries Or Terminals (AREA)
Description
102 安全ベント
103 CIDガスケット
104 電流遮断部材
105 凹部
110 キャップアセンブリー
121 支持部
122 クリンピング部
123 延長部
123a 延長部の開始部
123b 延長部の末端
124 下端部
125 突起構造
126 収納部
200 電池ケース
201 電池ケースの上部
201a 未コーティング部
202 電池ケースの上部の末端
203 ビーディング部
a1 延長部の最外殻の半径
a2 クリンピング部の内側の半径
b1 クリンピング部と延長部末端との間の離隔距離
b2 電池ケースの上部厚さ
Claims (13)
- ドーナツ形の円筒型電池用ガスケットであって、
前記円筒型電池用ガスケットの下部をなし、キャップアセンブリーを支持する支持部と、
前記円筒型電池用ガスケットの側面部をなし、前記支持部の外側から上方に延びたクリンピング部とを含み、
前記クリンピング部の末端には前記クリンピング部の外側から下方に向かって延びた延長部が形成される、円筒型電池用ガスケット。 - 前記支持部の上面には突起構造が形成される、請求項1に記載の円筒型電池用ガスケット。
- 円筒型電池の組立のために前記クリンピング部を変形した状態で前記延長部の最外殻の半径の大きさは前記クリンピング部の内側の半径より小さい、請求項1または2に記載の円筒型電池用ガスケット。
- 前記支持部の内側から下方に延びる下端部をさらに含む、請求項1~3のいずれか一項に記載の円筒型電池用ガスケット。
- 電極組立体を収納した円筒型電池ケースと、
前記円筒型電池ケースの開放部に搭載されるキャップアセンブリーと、
前記円筒型電池ケースと前記キャップアセンブリーとの間に介在される請求項1~4のいずれか一項に記載の円筒型電池用ガスケットとを含み、
前記円筒型電池ケースの上部は前記キャップアセンブリーの外周縁を取り囲んで前記円筒型電池ケースの中心部に向かって折り曲げられ、
前記円筒型電池ケースの上部末端は前記円筒型電池用ガスケットの前記延長部によって形成された収納部に収容される、円筒型電池。 - 前記クリンピング部と前記延長部の末端との間の離隔距離は前記円筒型電池ケースの上部厚さと同一であるかそれより小さい、請求項5に記載の円筒型電池。
- 前記円筒型電池が結合された状態で前記収納部は前記円筒型電池ケースの中心方向に下向きに傾いた構造を有する、請求項5または6に記載の円筒型電池。
- 前記延長部は前記延長部の開始部から延長部の末端の方向に行くほど厚さが減少する形態を有する、請求項5~7のいずれか一項に記載の円筒型電池。
- 前記円筒型電池ケースの上部の少なくとも一部には防錆層の除去された未コーティング部が形成され、
前記延長部は前記未コーティング部を取り囲む構造を有する、請求項5~8のいずれか一項に記載の円筒型電池。 - 前記キャップアセンブリーはトップキャップ及び安全ベントを含み、
前記安全ベントの下面には凹部が形成され、
前記凹部は前記円筒型電池用ガスケットの支持部の上面に形成された突起構造と噛み合うように位置し、前記安全ベントと前記円筒型電池用ガスケットが結合される、請求項5~9のいずれか一項に記載の円筒型電池。 - 前記円筒型電池ケースは前記キャップアセンブリー及び前記円筒型電池用ガスケットを支持するためのビーディング部を含み、
前記円筒型電池用ガスケットの支持部の内側から下方に延びる下端部は前記ビーディング部とキャップアセンブリーとの間に位置する、請求項5~10のいずれか一項に記載の円筒型電池。 - 前記キャップアセンブリーは安全ベントの下面と結合する電流遮断部材をさらに含み、
前記円筒型電池用ガスケットの下端部は前記電流遮断部材を支持するように前記円筒型電池ケースの中心方向に延びる構造を有する、請求項11に記載の円筒型電池。 - 請求項5~12のいずれか一項に記載の円筒型電池を含む、電池パック。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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KR1020190053969A KR20200129488A (ko) | 2019-05-08 | 2019-05-08 | 전지케이스의 부식을 방지하는 원통형 전지용 가스켓 및 이를 포함하는 원통형 전지 |
KR10-2019-0053969 | 2019-05-08 | ||
PCT/KR2020/004670 WO2020226286A1 (ko) | 2019-05-08 | 2020-04-07 | 전지케이스의 부식을 방지하는 원통형 전지용 가스켓 및 이를 포함하는 원통형 전지 |
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JP7207639B2 true JP7207639B2 (ja) | 2023-01-18 |
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US (1) | US12107282B2 (ja) |
EP (1) | EP3951907A4 (ja) |
JP (1) | JP7207639B2 (ja) |
KR (1) | KR20200129488A (ja) |
CN (1) | CN113661603B (ja) |
WO (1) | WO2020226286A1 (ja) |
Families Citing this family (5)
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WO2023167010A1 (ja) * | 2022-03-04 | 2023-09-07 | パナソニックエナジー株式会社 | 円筒形電池 |
WO2024053272A1 (ja) * | 2022-09-05 | 2024-03-14 | Fdk株式会社 | 円筒形電池用ガスケットおよび当該ガスケットを備える円筒形電池 |
KR102559655B1 (ko) * | 2022-09-21 | 2023-07-24 | 삼성에스디아이 주식회사 | 이차전지 |
WO2024128806A1 (ko) * | 2022-12-13 | 2024-06-20 | 주식회사 엘지에너지솔루션 | 배터리, 그리고 이를 포함하는 배터리 팩 및 자동차 |
SE2251551A1 (en) * | 2022-12-22 | 2024-06-23 | Northvolt Ab | A gasket for a cylindrical secondary cell |
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2019
- 2019-05-08 KR KR1020190053969A patent/KR20200129488A/ko not_active Application Discontinuation
-
2020
- 2020-04-07 US US17/609,131 patent/US12107282B2/en active Active
- 2020-04-07 JP JP2021563127A patent/JP7207639B2/ja active Active
- 2020-04-07 EP EP20801553.7A patent/EP3951907A4/en active Pending
- 2020-04-07 WO PCT/KR2020/004670 patent/WO2020226286A1/ko unknown
- 2020-04-07 CN CN202080027551.0A patent/CN113661603B/zh active Active
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US20220223953A1 (en) | 2022-07-14 |
JP2022531845A (ja) | 2022-07-12 |
US12107282B2 (en) | 2024-10-01 |
EP3951907A1 (en) | 2022-02-09 |
WO2020226286A1 (ko) | 2020-11-12 |
EP3951907A4 (en) | 2022-06-08 |
KR20200129488A (ko) | 2020-11-18 |
CN113661603A (zh) | 2021-11-16 |
CN113661603B (zh) | 2023-09-22 |
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