JP2010529589A - リチウム二次電池 - Google Patents
リチウム二次電池 Download PDFInfo
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- JP2010529589A JP2010529589A JP2009547173A JP2009547173A JP2010529589A JP 2010529589 A JP2010529589 A JP 2010529589A JP 2009547173 A JP2009547173 A JP 2009547173A JP 2009547173 A JP2009547173 A JP 2009547173A JP 2010529589 A JP2010529589 A JP 2010529589A
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- electrode
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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
- H01M10/04—Construction or manufacture in general
- H01M10/0436—Small-sized flat cells or batteries for portable equipment
-
- 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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
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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
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
- H01M50/117—Inorganic material
- H01M50/119—Metals
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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
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
- H01M50/121—Organic material
-
- 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
- H01M50/534—Electrode connections inside a battery casing characterised by the material 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
- H01M50/543—Terminals
- H01M50/552—Terminals characterised by their shape
- H01M50/553—Terminals adapted for prismatic, pouch or rectangular cells
- H01M50/557—Plate-shaped terminals
-
- 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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
- H01M10/0585—Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
-
- 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
- H01M50/103—Primary casings; Jackets or wrappings characterised by their shape or physical structure prismatic or rectangular
-
- 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
- H01M50/105—Pouches or flexible bags
-
- 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
- H01M50/172—Arrangements of electric connectors penetrating the casing
- H01M50/174—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells
- H01M50/178—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells for pouch or flexible bag 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
- 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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/531—Electrode connections inside a battery casing
- H01M50/54—Connection of several leads or tabs of plate-like electrode stacks, e.g. electrode pole straps or bridges
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- 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Secondary Cells (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
【課題手段】本発明に係るリチウム二次電池は、第1電極、第2電極、および前記第1電極と前記第2電極との間に位置するセパレーターからなる電極群と、前記第1電極に接続される第1電極タブと、前記第2電極に接続される第2電極タブとを含んでなり、前記第1電極タブは、前記第1電極に接続する部分である第1部分と、前記第1部分以外の部分である第2部分とを含み、前記第1部分の幅が前記第2部分の幅よりさらに狭い。
【選択図】 図1
Description
22…陽極、 24…陰極
26…セパレーター、 32…陽極タブ
34…陰極タブ、 40…外装材
42…接着部
Claims (9)
- 第1電極、第2電極、および前記第1電極と前記第2電極との間に位置するセパレーターを含む電極群と、
前記第1電極に接続される第1電極タブと、
前記第2電極に接続される第2電極タブとを含んでなり、
前記第1電極タブは、前記第1電極に接続する部分である第1部分と、前記第1部分以外の部分である第2部分とを含み、前記第1部分の幅が前記第2部分の幅より狭いことを特徴とする、リチウム二次電池。 - 前記第1電極には、前記第1部分に接続するタブ接合部が突設されることを特徴とする、請求項1に記載のリチウム二次電池。
- 前記第1電極のタブ接合部の幅が前記第2部分の幅よりさらに狭いことを特徴とする、請求項2に記載のリチウム二次電池。
- 前記第2部分の幅に対する前記第1部分の幅の比率が0.35〜0.6であることを特徴とする、請求項1に記載のリチウム二次電池。
- 前記第2部分は前記第1部分を基準として一方に突出することを特徴とする、請求項1に記載のリチウム二次電池。
- 前記リチウム二次電池は、前記第1電極タブおよび前記第2電極タブの端部を露出させながら前記電極群を取り囲んで密封する外装材をさらに含み、前記外装材の接着部は前記第2部分に位置することを特徴とする、請求項1に記載のリチウム二次電池。
- 前記第1電極がカソード電極であることを特徴とする、請求項1に記載のリチウム二次電池。
- 前記第1電極の延伸率が前記第2電極の延伸率より高いことを特徴とする、請求項1に記載のリチウム二次電池。
- 前記第2電極タブは、前記第2電極に接続する部分である第3部分と、前記第3部分以外の部分である第4部分を含んでなり、前記第3部分の幅が前記第4部分の幅よりさらに狭いことを特徴とする、請求項1に記載のリチウム二次電池。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20070007916A KR101048226B1 (ko) | 2007-01-25 | 2007-01-25 | 리튬 이차 전지 |
| KR10-2007-0007916 | 2007-01-25 | ||
| PCT/KR2008/000446 WO2008091118A1 (en) | 2007-01-25 | 2008-01-24 | Lithium secondary battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2010529589A true JP2010529589A (ja) | 2010-08-26 |
| JP5325796B2 JP5325796B2 (ja) | 2013-10-23 |
Family
ID=39644661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2009547173A Active JP5325796B2 (ja) | 2007-01-25 | 2008-01-24 | リチウム二次電池 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US9099755B2 (ja) |
| EP (1) | EP2109901B1 (ja) |
| JP (1) | JP5325796B2 (ja) |
| KR (1) | KR101048226B1 (ja) |
| CN (1) | CN101589487B (ja) |
| TW (1) | TWI416778B (ja) |
| WO (1) | WO2008091118A1 (ja) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010161066A (ja) * | 2009-01-08 | 2010-07-22 | Samsung Sdi Co Ltd | パウチ型リチウム二次電池 |
| JP2012099633A (ja) * | 2010-11-02 | 2012-05-24 | Ud Trucks Corp | 蓄電セル |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8334071B2 (en) | 2008-09-29 | 2012-12-18 | Kabushiki Kaisha Toshiba | Non-aqueous electrolyte secondary battery, electrode used for secondary battery, and method of manufacturing electrode |
| CN102709054B (zh) | 2008-10-01 | 2015-11-18 | 太阳诱电株式会社 | 电化学器件 |
| KR101048963B1 (ko) * | 2009-09-30 | 2011-07-12 | 삼성에스디아이 주식회사 | 이차전지 |
| KR101101046B1 (ko) | 2009-12-01 | 2011-12-29 | 삼성에스디아이 주식회사 | 전극 조립체 및 그를 구비하는 이차 전지 |
| KR101243546B1 (ko) * | 2011-03-02 | 2013-03-20 | 로베르트 보쉬 게엠베하 | 이차 전지 및 이를 갖는 배터리 팩 |
| US9979053B2 (en) | 2011-12-15 | 2018-05-22 | A123 Systems, LLC | Hybrid battery system |
| KR102135284B1 (ko) | 2016-06-14 | 2020-07-17 | 주식회사 엘지화학 | 이차전지용 전극 및 이를 포함하는 리튬 이차 전지 |
| WO2017217769A1 (ko) * | 2016-06-14 | 2017-12-21 | 주식회사 엘지화학 | 이차전지용 전극 및 이를 포함하는 리튬 이차 전지 |
| KR102245119B1 (ko) * | 2016-07-20 | 2021-04-28 | 주식회사 엘지화학 | 전극 탭 및 그 전극 탭의 제작 방법 |
| JP7463930B2 (ja) * | 2020-09-30 | 2024-04-09 | トヨタ自動車株式会社 | 電池 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2001345090A (ja) * | 2000-05-31 | 2001-12-14 | Yuasa Corp | 密閉形電池 |
| JP2003288882A (ja) * | 2002-03-28 | 2003-10-10 | Nec Tokin Tochigi Ltd | 密閉型電池 |
| JP2005190885A (ja) * | 2003-12-26 | 2005-07-14 | Toyota Motor Corp | ラミネート電池モジュールとその製造方法 |
| JP2005259601A (ja) * | 2004-03-12 | 2005-09-22 | Tdk Corp | 電源、充電装置及び充電システム |
| JP2006179411A (ja) * | 2004-12-24 | 2006-07-06 | Toyota Motor Corp | 組電池 |
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| JPH10326609A (ja) * | 1997-03-26 | 1998-12-08 | Toyota Central Res & Dev Lab Inc | 電 池 |
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| US6203944B1 (en) * | 1998-03-26 | 2001-03-20 | 3M Innovative Properties Company | Electrode for a lithium battery |
| AUPP297298A0 (en) * | 1998-04-15 | 1998-05-07 | Energy Storage Systems Pty Ltd | Charge storage devices |
| EP1258044A1 (en) * | 2000-02-10 | 2002-11-20 | NTK Powerdex, Inc. | Li-ION AND/OR Li-ION POLYMER BATTERY WITH SHIELDED LEADS |
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-
2007
- 2007-01-25 KR KR20070007916A patent/KR101048226B1/ko active Active
-
2008
- 2008-01-24 US US12/522,596 patent/US9099755B2/en active Active
- 2008-01-24 EP EP08704945.8A patent/EP2109901B1/en active Active
- 2008-01-24 JP JP2009547173A patent/JP5325796B2/ja active Active
- 2008-01-24 WO PCT/KR2008/000446 patent/WO2008091118A1/en not_active Ceased
- 2008-01-24 CN CN200880003030.0A patent/CN101589487B/zh active Active
- 2008-01-25 TW TW97102956A patent/TWI416778B/zh not_active IP Right Cessation
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001345090A (ja) * | 2000-05-31 | 2001-12-14 | Yuasa Corp | 密閉形電池 |
| JP2003288882A (ja) * | 2002-03-28 | 2003-10-10 | Nec Tokin Tochigi Ltd | 密閉型電池 |
| JP2005190885A (ja) * | 2003-12-26 | 2005-07-14 | Toyota Motor Corp | ラミネート電池モジュールとその製造方法 |
| JP2005259601A (ja) * | 2004-03-12 | 2005-09-22 | Tdk Corp | 電源、充電装置及び充電システム |
| JP2006179411A (ja) * | 2004-12-24 | 2006-07-06 | Toyota Motor Corp | 組電池 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010161066A (ja) * | 2009-01-08 | 2010-07-22 | Samsung Sdi Co Ltd | パウチ型リチウム二次電池 |
| US8691430B2 (en) | 2009-01-08 | 2014-04-08 | Samsung Sdi Co., Ltd. | Pouch-type lithium secondary battery having a variable tab |
| JP2012099633A (ja) * | 2010-11-02 | 2012-05-24 | Ud Trucks Corp | 蓄電セル |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20080070206A (ko) | 2008-07-30 |
| EP2109901A1 (en) | 2009-10-21 |
| US9099755B2 (en) | 2015-08-04 |
| US20090297944A1 (en) | 2009-12-03 |
| KR101048226B1 (ko) | 2011-07-08 |
| EP2109901B1 (en) | 2016-09-21 |
| JP5325796B2 (ja) | 2013-10-23 |
| CN101589487A (zh) | 2009-11-25 |
| CN101589487B (zh) | 2014-12-17 |
| TW200903880A (en) | 2009-01-16 |
| TWI416778B (zh) | 2013-11-21 |
| WO2008091118A1 (en) | 2008-07-31 |
| EP2109901A4 (en) | 2011-04-27 |
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