KR20070063021A - 원통형 리튬2차전지 - Google Patents
원통형 리튬2차전지 Download PDFInfo
- Publication number
- KR20070063021A KR20070063021A KR1020077009401A KR20077009401A KR20070063021A KR 20070063021 A KR20070063021 A KR 20070063021A KR 1020077009401 A KR1020077009401 A KR 1020077009401A KR 20077009401 A KR20077009401 A KR 20077009401A KR 20070063021 A KR20070063021 A KR 20070063021A
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- South Korea
- Prior art keywords
- battery
- porous heat
- resistant layer
- lithium secondary
- thickness
- Prior art date
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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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
- H01M10/0587—Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
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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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
-
- 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
- H01M10/4235—Safety or regulating additives or arrangements in electrodes, separators or electrolyte
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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
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
-
- 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
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/362—Composites
- H01M4/366—Composites as layered products
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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
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/46—Separators, membranes or diaphragms characterised by their combination with electrodes
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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
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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
- 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
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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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)
- Composite Materials (AREA)
- Materials Engineering (AREA)
- Secondary Cells (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
Claims (5)
- 저부와 측벽과 상부 개구를 가진 원통형의 전지캔과, 전극군과, 비수 전해질과, 상기 전극군 및 상기 비수전해질을 수용한 상기 전지캔의 상부 개구를 덮는 밀봉판을 포함한 리튬2차전지로서,상기 전극군은, 띠형상의 양극과 띠형상의 음극을, 이들 사이에 개재하는 다공질 내열층 및 세퍼레이터와 함께 감아 돌려 이루어지고, 상기 양극은, 양극심재와 그 양면에 담지된 양극 활물질층을 포함하고, 상기 음극은, 음극심재와 그 양면에 담지된 음극 활물질층을 포함하며,상기 다공질 내열층의 두께 A와, 상기 전지캔의 측벽의 두께 B가, 0.005≤A/B≤0.1을 만족하는, 원통형 리튬2차전지.
- 제 1 항에 있어서, 상기 다공질 내열층의 두께 A가 2∼10㎛이고, 상기 전지캔의 측벽의 두께 B가 80∼300㎛이며, 0.01≤A/B≤0.05인, 원통형 리튬2차전지.
- 제 1 항에 있어서, 상기 양극 및 상기 음극의 적어도 한쪽의 전극에 있어서, 상기 심재의 양면에 담지된 2개의 활물질층 중의 적어도 한쪽의 표면에, 상기 다공질 내열층이 담지되어 있는, 원통형 리튬2차전지.
- 제 1 항에 있어서, 상기 다공질 내열층은 절연성 필러를 포함하는, 원통형 리튬2차전지.
- 제 4 항에 있어서, 상기 절연성 필러는 무기산화물로 이루어지는, 원통형 리튬2차전지.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPJP-P-2005-00107255 | 2005-04-04 | ||
JP2005107255 | 2005-04-04 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20070063021A true KR20070063021A (ko) | 2007-06-18 |
KR100857962B1 KR100857962B1 (ko) | 2008-09-09 |
Family
ID=37070904
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020077009401A KR100857962B1 (ko) | 2005-04-04 | 2006-03-29 | 원통형 리튬2차전지 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7419743B2 (ko) |
EP (1) | EP1788657B1 (ko) |
KR (1) | KR100857962B1 (ko) |
CN (1) | CN100502139C (ko) |
DE (1) | DE602006012424D1 (ko) |
WO (1) | WO2006106771A1 (ko) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100877754B1 (ko) * | 2005-06-14 | 2009-01-08 | 파나소닉 주식회사 | 비수 전해질 이차전지 |
US8883354B2 (en) | 2006-02-15 | 2014-11-11 | Optodot Corporation | Separators for electrochemical cells |
US20080241697A1 (en) * | 2007-03-28 | 2008-10-02 | Sanyo Electric Co., Ltd. | Non-aqueous electrolyte battery |
JP5196982B2 (ja) * | 2007-03-28 | 2013-05-15 | 三洋電機株式会社 | 非水電解質電池 |
CN101983453A (zh) * | 2008-06-02 | 2011-03-02 | 松下电器产业株式会社 | 非水电解质二次电池及其制造方法 |
CN102077107B (zh) * | 2009-01-19 | 2013-07-24 | 松下电器产业株式会社 | 电池的内部短路评价装置 |
WO2010138176A1 (en) | 2009-05-26 | 2010-12-02 | Steven Allen Carlson | Batteries utilizing electrode coatings directly on nanoporous separators |
CN102117931B (zh) * | 2009-12-31 | 2013-06-12 | 珠海光宇电池有限公司 | 正极采用改性锰酸锂的高倍率圆柱形锂离子电池 |
US8535819B2 (en) * | 2010-03-02 | 2013-09-17 | Lenovo (Singapore) Pte. Ltd. | Internally neutralizing a power source |
EP3444867B1 (en) | 2010-07-19 | 2020-03-25 | Optodot Corporation | Separators for electrochemical cells |
CN102760849A (zh) * | 2011-04-28 | 2012-10-31 | 迪吉亚节能科技股份有限公司 | 锂电池 |
US9413035B2 (en) * | 2011-06-24 | 2016-08-09 | Johnson Controls Technology Llc | Electrochemical cell having interrupted electrodes |
JP2016517161A (ja) | 2013-04-29 | 2016-06-09 | マディコ インコーポレイテッド | 熱伝導率を高めたナノ多孔質複合セパレータ |
TWI580098B (zh) | 2013-12-10 | 2017-04-21 | 財團法人工業技術研究院 | 用於鋰電池之有機-無機複合層及電極模組 |
US9508976B2 (en) | 2015-01-09 | 2016-11-29 | Applied Materials, Inc. | Battery separator with dielectric coating |
US10381623B2 (en) | 2015-07-09 | 2019-08-13 | Optodot Corporation | Nanoporous separators for batteries and related manufacturing methods |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07130341A (ja) * | 1993-11-02 | 1995-05-19 | Fuji Photo Film Co Ltd | 非水電池 |
JP3371301B2 (ja) * | 1994-01-31 | 2003-01-27 | ソニー株式会社 | 非水電解液二次電池 |
JPH097637A (ja) * | 1995-06-19 | 1997-01-10 | Sony Corp | リチウムイオン二次電池 |
US5705292A (en) * | 1995-06-19 | 1998-01-06 | Sony Corporation | Lithium ion secondary battery |
JP3584583B2 (ja) * | 1995-12-12 | 2004-11-04 | ソニー株式会社 | 積層型非水電解液二次電池 |
US5902697A (en) * | 1998-05-15 | 1999-05-11 | Valence Technology, Inc. | Bi-cell separation for improved safety |
JP3600017B2 (ja) * | 1998-06-30 | 2004-12-08 | 松下電器産業株式会社 | 電池缶及びそれを用いた電池 |
JP4022726B2 (ja) * | 2002-03-22 | 2007-12-19 | 大阪瓦斯株式会社 | 非水系二次電池モジュールの制御法 |
JP4207451B2 (ja) | 2002-04-19 | 2009-01-14 | パナソニック株式会社 | 円筒型リチウムイオン二次電池およびその製造方法 |
-
2006
- 2006-03-29 DE DE602006012424T patent/DE602006012424D1/de active Active
- 2006-03-29 EP EP06730490A patent/EP1788657B1/en active Active
- 2006-03-29 CN CNB2006800010492A patent/CN100502139C/zh active Active
- 2006-03-29 WO PCT/JP2006/306542 patent/WO2006106771A1/ja active Application Filing
- 2006-03-29 KR KR1020077009401A patent/KR100857962B1/ko active IP Right Grant
- 2006-04-04 US US11/396,646 patent/US7419743B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US7419743B2 (en) | 2008-09-02 |
KR100857962B1 (ko) | 2008-09-09 |
US20060222933A1 (en) | 2006-10-05 |
EP1788657B1 (en) | 2010-02-24 |
EP1788657A4 (en) | 2008-04-02 |
CN100502139C (zh) | 2009-06-17 |
EP1788657A1 (en) | 2007-05-23 |
DE602006012424D1 (de) | 2010-04-08 |
WO2006106771A1 (ja) | 2006-10-12 |
CN101044653A (zh) | 2007-09-26 |
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