JP4430587B2 - 二次電池 - Google Patents
二次電池 Download PDFInfo
- Publication number
- JP4430587B2 JP4430587B2 JP2005183939A JP2005183939A JP4430587B2 JP 4430587 B2 JP4430587 B2 JP 4430587B2 JP 2005183939 A JP2005183939 A JP 2005183939A JP 2005183939 A JP2005183939 A JP 2005183939A JP 4430587 B2 JP4430587 B2 JP 4430587B2
- Authority
- JP
- Japan
- Prior art keywords
- secondary battery
- electrode
- electrode group
- plain
- current collector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000003466 welding Methods 0.000 claims description 12
- 239000011149 active material Substances 0.000 claims description 5
- 235000015110 jellies Nutrition 0.000 claims description 5
- 239000008274 jelly Substances 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 8
- 238000004804 winding Methods 0.000 description 4
- YWXYYJSYQOXTPL-SLPGGIOYSA-N isosorbide mononitrate Chemical group [O-][N+](=O)O[C@@H]1CO[C@@H]2[C@@H](O)CO[C@@H]21 YWXYYJSYQOXTPL-SLPGGIOYSA-N 0.000 description 3
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 208000032953 Device battery issue Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 239000010959 steel 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- 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
- H01M10/0431—Cells with wound or folded electrodes
-
- 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
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
-
- 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
- H01M10/643—Cylindrical cells
-
- 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
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/654—Means for temperature control structurally associated with the cells located inside the innermost case of the cells, e.g. mandrels, electrodes or electrolytes
-
- 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
- H01M4/64—Carriers or collectors
-
- 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
- H01M4/64—Carriers or collectors
- H01M4/70—Carriers or collectors characterised by shape or form
-
- 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
- H01M50/531—Electrode connections inside a battery 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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/531—Electrode connections inside a battery casing
- H01M50/533—Electrode connections inside a battery casing characterised by the shape of the leads or tabs
-
- 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
- H01M50/531—Electrode connections inside a battery casing
- H01M50/536—Electrode connections inside a battery casing characterised by the method of fixing the leads to the electrodes, e.g. by welding
-
- 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
- H01M50/531—Electrode connections inside a battery casing
- H01M50/538—Connection of several leads or tabs of wound or folded electrode stacks
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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
20 電極群
21 セパレータ
22 正極
22a 正極活物質
22b 正極無地部
22c 正極拡張部
22c’ 正極拡張部
23 負極
23a 負極活物質
23b 負極無地部
23c’ 負極拡張部
30 キャップ組立体
31 キャッププレート
31a 外部端子
32 ガスケット
33 ベントプレート
50 正極集電板
60 リード線
70 負極集電板
221 集電体
231 集電体
G1 電極群の中心に対応する部分に対する幅
G2 電極群の外郭に対応する部分に対する幅
Claims (11)
- ケースと,
正極および負極と,前記正極と前記負極の間に介されるセパレータとを含んで,前記ケースに収納される電極群と,
前記ケースに結合されてこれを密閉しながら前記電極群と電気的に連結されるキャップ組立体と,
前記正極と前記負極のうちの少なくともいずれか一つの電極に電気的に連結される集電板と,
活物質無しに前記集電板に接触される無地部と,
を備えた電極を含み,
前記無地部は,
前記電極群の外郭部において中心部より大きくなる拡張部を有し,
前記電極群の中心に向かって曲がって前記集電板と面接触をなし,
前記拡張部により,前記集電板と面接触する面積を、前記電極群の外郭部において中心部よりも拡大させることを特徴とする,二次電池。 - 前記無地部は,前記電極群の中心部から外郭部へ行くほど漸進的に拡張部を大きくすることを特徴とする,請求項1に記載の二次電池。
- 前記無地部は,渦流状に巻かれて,複数の層をなし,前記正極の無地部と前記負極の無地部は,対向配置されることを特徴とする,請求項1又は2に記載の二次電池。
- 前記電極群の外郭に位置する無地部の幅が前記電極群の中心に位置する無地部の幅より大きく拡張部を形成されることを特徴とする,請求項1〜3のいずれかに記載の二次電池。
- 前記無地部が前記電極群の中心から前記電極群の外郭に向かっていくほどその面積を大きくする拡張部を形成することを特徴とする,請求項4に記載の二次電池。
- 前記無地部先端の両端点を連結する線が斜線形に形成されることを特徴とする,請求項5に記載の二次電池。
- 前記無地部先端の両端点を連結する線が階段形に形成されることを特徴とする,請求項5に記載の二次電池。
- 前記無地部と前記集電板が溶接によって結合されることを特徴とする,請求項1〜7のいずれかに記載の二次電池。
- 前記電極群はゼリーロール形態に形成されることを特徴とする,請求項1〜8のいずれかに記載の二次電池。
- 前記二次電池は円筒形に形成されることを特徴とする,請求項1〜9のいずれかに記載の二次電池。
- 前記二次電池はモータ駆動用であることを特徴とする,請求項1〜10のいずれかに記載の二次電池。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040047022A KR20050121914A (ko) | 2004-06-23 | 2004-06-23 | 이차 전지와 이에 사용되는 전극 조립체 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006012834A JP2006012834A (ja) | 2006-01-12 |
JP4430587B2 true JP4430587B2 (ja) | 2010-03-10 |
Family
ID=35506211
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005183939A Active JP4430587B2 (ja) | 2004-06-23 | 2005-06-23 | 二次電池 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20050287432A1 (ja) |
JP (1) | JP4430587B2 (ja) |
KR (1) | KR20050121914A (ja) |
CN (1) | CN100344026C (ja) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100696457B1 (ko) * | 2000-08-07 | 2007-03-19 | 삼성에스디아이 주식회사 | 전지의 극판 조립체 및, 그것을 구비한 파우치형 리튬이온 전지 |
CN101924231B (zh) * | 2009-06-11 | 2012-07-11 | 上海瑞华(集团)有限公司 | 一种电池集流方法 |
KR101038680B1 (ko) * | 2010-03-12 | 2011-06-02 | 아이피지 포토닉스 코리아(주) | 이차전지 및 이를 이용한 이차전지 모듈 |
CN102523760B (zh) * | 2010-09-09 | 2014-11-05 | 松下电器产业株式会社 | 电动设备 |
US9627677B2 (en) * | 2011-12-23 | 2017-04-18 | Samsung Sdi Co., Ltd. | Rechargeable battery |
KR102448822B1 (ko) * | 2021-01-19 | 2022-09-29 | 주식회사 엘지에너지솔루션 | 배터리 및 이에 적용되는 집전체, 그리고 이를 포함하는 배터리 팩 및 자동차 |
US20220271345A1 (en) * | 2021-02-19 | 2022-08-25 | Lg Energy Solution, Ltd. | Electrode assembly, battery, and battery pack and vehicle including the same |
EP4199206A1 (en) * | 2021-02-19 | 2023-06-21 | LG Energy Solution, Ltd. | Riveting structure of electrode terminal, and secondary battery, battery pack, and automobile comprising same |
CN217788661U (zh) * | 2021-02-19 | 2022-11-11 | 株式会社Lg新能源 | 二次电池、应用于其的集电板、包括其的电池组及汽车 |
CA3215083A1 (en) * | 2021-04-29 | 2022-11-03 | Techtronic Cordless Gp | Battery including folded foil portion and method of fabricating same |
WO2023014018A1 (ko) * | 2021-08-05 | 2023-02-09 | 주식회사 엘지에너지솔루션 | 전극 조립체, 이차전지, 이를 포함하는 배터리 팩 및 자동차 |
CA3233788A1 (en) * | 2021-10-15 | 2023-04-20 | Myung-An LEE | Electrode assembly, cylindrical battery cell, and battery pack and vehicle including the same |
CN218827235U (zh) * | 2021-10-22 | 2023-04-07 | 株式会社Lg新能源 | 电极组件、圆筒形电池及包括它的电池组及汽车 |
CN116014313A (zh) * | 2021-10-22 | 2023-04-25 | 株式会社Lg新能源 | 圆筒形电池、包括它的电池组及汽车 |
CN116014374A (zh) * | 2021-10-22 | 2023-04-25 | 株式会社Lg新能源 | 圆筒形电池及包括它的电池组及汽车 |
CN116093246A (zh) * | 2021-11-08 | 2023-05-09 | 株式会社Lg新能源 | 二次电池用集流器和包含其的圆柱形电池电芯 |
KR20230070167A (ko) * | 2021-11-12 | 2023-05-22 | 주식회사 엘지에너지솔루션 | 분리막, 전극 조립체, 원통형 배터리 셀 및 이를 포함하는 배터리 팩 및 자동차 |
WO2023096062A1 (ko) * | 2021-11-26 | 2023-06-01 | 주식회사 엘지에너지솔루션 | 전극 단자의 리벳팅 구조 및 이를 포함하는 배터리 셀, 배터리 팩 및 자동차 |
CN116259931A (zh) * | 2021-12-01 | 2023-06-13 | 株式会社Lg新能源 | 电极组件、圆筒形电池 |
CN114361380A (zh) * | 2022-01-05 | 2022-04-15 | 星恒电源股份有限公司 | 便于揉平的极片及卷芯成型方法 |
SE545951C2 (en) * | 2022-02-16 | 2024-03-26 | Northvolt Ab | An electrode roll, an electrode disc and a cylindrical secondary cell |
WO2024019568A1 (ko) * | 2022-07-20 | 2024-01-25 | 주식회사 엘지에너지솔루션 | 전극 조립체, 배터리 및 이를 포함하는 배터리 팩 및 자동차 |
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KR100417560B1 (ko) * | 1995-09-27 | 2004-04-28 | 소니 가부시끼 가이샤 | 젤리롤형고용량2차전지 |
JP4017212B2 (ja) * | 1997-05-16 | 2007-12-05 | 日立マクセル株式会社 | 巻回構造の電極体を有するアルカリ二次電池 |
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JP3524744B2 (ja) * | 1997-12-26 | 2004-05-10 | 三洋電機株式会社 | 密閉型アルカリ蓄電池 |
US5972532A (en) * | 1998-05-04 | 1999-10-26 | Saft America, Inc. | Current collection through the ends of a spirally wound electrochemical cell |
JPH11329398A (ja) * | 1998-05-18 | 1999-11-30 | Denso Corp | 巻回電極電池 |
JP3768041B2 (ja) * | 1999-03-19 | 2006-04-19 | 三洋電機株式会社 | アルカリ蓄電池 |
ATE246400T1 (de) * | 1999-03-22 | 2003-08-15 | Thomas & Betts Int | Methode zur behandlung von kontaktanschlüssen an elektrochemischen zellen, zur erzielung verbesserter dichtheit, und hermetisch verschlossene elektrochemische zellen die damit hergestellt sind |
JP4866496B2 (ja) * | 1999-04-08 | 2012-02-01 | パナソニック株式会社 | 二次電池の製造方法 |
CN1423844A (zh) * | 1999-11-24 | 2003-06-11 | 永备电池有限公司 | 电化学电池的结构及其制造方法 |
JP2002252025A (ja) * | 2001-02-23 | 2002-09-06 | Toshiba Battery Co Ltd | ニッケル・水素二次電池 |
CA2499733A1 (en) * | 2001-09-26 | 2003-04-03 | Elod Gyenge | Current collector structure and methods to improve the performance of a lead-acid battery |
KR20040022919A (ko) * | 2002-09-10 | 2004-03-18 | 삼성에스디아이 주식회사 | 젤리-롤형의 전극조립체와 이를 채용한 이차전지 |
KR100599749B1 (ko) * | 2004-06-23 | 2006-07-12 | 삼성에스디아이 주식회사 | 이차 전지와 이에 사용되는 전극 조립체 |
-
2004
- 2004-06-23 KR KR1020040047022A patent/KR20050121914A/ko not_active Application Discontinuation
-
2005
- 2005-06-22 US US11/159,544 patent/US20050287432A1/en not_active Abandoned
- 2005-06-23 JP JP2005183939A patent/JP4430587B2/ja active Active
- 2005-06-23 CN CNB2005100796163A patent/CN100344026C/zh active Active
Also Published As
Publication number | Publication date |
---|---|
US20050287432A1 (en) | 2005-12-29 |
JP2006012834A (ja) | 2006-01-12 |
KR20050121914A (ko) | 2005-12-28 |
CN1713440A (zh) | 2005-12-28 |
CN100344026C (zh) | 2007-10-17 |
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