JP2006156362A - 円筒形リチウム二次電池 - Google Patents
円筒形リチウム二次電池 Download PDFInfo
- Publication number
- JP2006156362A JP2006156362A JP2005313469A JP2005313469A JP2006156362A JP 2006156362 A JP2006156362 A JP 2006156362A JP 2005313469 A JP2005313469 A JP 2005313469A JP 2005313469 A JP2005313469 A JP 2005313469A JP 2006156362 A JP2006156362 A JP 2006156362A
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- JP
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- Prior art keywords
- secondary battery
- lithium secondary
- electrode
- core member
- electrode assembly
- Prior art date
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 51
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 51
- 238000007789 sealing Methods 0.000 claims abstract description 4
- 230000002265 prevention Effects 0.000 claims description 23
- 238000004804 winding Methods 0.000 claims description 17
- 229910001416 lithium ion Inorganic materials 0.000 description 11
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 9
- 239000008151 electrolyte solution Substances 0.000 description 8
- 239000006183 anode active material Substances 0.000 description 6
- 239000006182 cathode active material Substances 0.000 description 6
- 239000003792 electrolyte Substances 0.000 description 5
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000005518 polymer electrolyte Substances 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000011244 liquid electrolyte Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 229910003002 lithium salt Inorganic materials 0.000 description 1
- 159000000002 lithium salts Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000005486 organic electrolyte Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
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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
- H01M10/4235—Safety or regulating additives or arrangements in electrodes, separators or electrolyte
-
- 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
- H01M10/0422—Cells or battery with cylindrical casing
-
- 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
- H01M10/05—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
- H01M10/05—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
-
- 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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
-
- 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
-
- 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)
- Secondary Cells (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
【解決手段】第1の電極板310と、第2の電極板320と、第1の電極板と第2の電極板との間に介在されたセパレーター340とを備える巻取型電極組立体300と、巻取型電極組立体300の巻心部に挿入され、ショート防止部720を備える巻心部材700と、電極組立体300を収容する空間を備えるケース400と、ケース400の上部と結合され、これを封止するキャップ組立体500とを含んでなる。
【選択図】図2b
Description
300…電極組立体、
310…第1の電極板
315…第1の電極タップ、
320…第2の電極板、
325…第2の電極タップ、
340…セパレータ、
341…345、絶縁板、
400…円筒形ケース、
410…円筒面、
420…下面、
430…圧接部、
440…ビーディング部、
500…キャップ組立体、
510…安全ベント、
520…印刷回路基板、
530…陽性温度素子、
540…電極キャップ、
550…絶縁ガスケット、
600…電解質、
700…巻心部材、
710…切り込み溝、
720…ショート防止部、
800…巻取軸。
Claims (9)
- 第1の電極板と、第2の電極板と、前記第1の電極板と第2の電極板との間に介在されたセパレータとを備える巻取型電極組立体と、
前記電極組立体の中心空間部に挿入され、ショート防止部を備える巻心部材と、
前記電極組立体を収容する空間を備え、上部が開口されたケースと、
前記ケースの上部と結合され、これを封止するキャップ組立体とを含むことを特徴とする円筒形リチウム二次電池。 - 前記巻心部材は、長手方向に沿って切り込み溝が形成された管状からなり、
前記ショート防止部は、前記切り込み溝の両側端の上端部及び下端部の少なくとも下端部の一部が前記巻心部材の内部方向に向かうようになされることを特徴とする請求項1に記載の円筒形リチウム二次電池。 - 前記巻心部材は、長手方向に沿って切り込み溝が形成された管状からなり、
前記ショート防止部は、前記切り込み溝の両側端の上端部及び下端部の少なくとも下端部がテーパー形状からなることを特徴とする請求項1に記載の円筒形リチウム二次電池。 - 前記ショート防止部のテーパー角は、90゜未満であることを特徴とする請求項3に記載の円筒形リチウム二次電池。
- 前記ショート防止部のテーパー角は、30゜から60゜であることを特徴とする請求項4に記載の円筒形リチウム二次電池。
- 前記巻心部材は、長手方向に沿って切り込み溝が形成された管状からなり、
前記ショート防止部は、前記切り込み溝の両側端の上端部及び下端部の少なくとも下端部が丸みを帯びた形状からなることを特徴とする請求項1に記載の円筒形リチウム二次電池。 - 前記電極組立体と前記ケースの下面との間には、下部絶縁板が位置され、前記電極組立体と前記キャップ組立体との間には上部絶縁板が位置されていることを特徴とする請求項1に記載の円筒形リチウム二次電池。
- 前記第1の電極板及び第2の電極板のいずれかは、電極タップを介して前記ケースの下部の下面に電気的に繋がれ、前記巻心部材は、前記下面に電気的に繋がれる電極タップの上に位置することを特徴とする請求項1に記載の円筒形リチウム二次電池。
- 前記巻心部材の高さは、前記電極組立体の高さの90%から110%であることを特徴とする請求項1に記載の円筒形リチウム二次電池。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040098862A KR100624941B1 (ko) | 2004-11-29 | 2004-11-29 | 원통형 리튬 이차 전지 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006156362A true JP2006156362A (ja) | 2006-06-15 |
JP4429253B2 JP4429253B2 (ja) | 2010-03-10 |
Family
ID=36574664
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005313469A Active JP4429253B2 (ja) | 2004-11-29 | 2005-10-27 | 円筒形リチウム二次電池 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7939196B2 (ja) |
JP (1) | JP4429253B2 (ja) |
KR (1) | KR100624941B1 (ja) |
CN (1) | CN100452523C (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4795177B2 (ja) * | 2005-12-29 | 2011-10-19 | 三星エスディアイ株式会社 | リチウムイオン二次電池 |
WO2016197563A1 (zh) * | 2015-06-12 | 2016-12-15 | 福建南平南孚电池有限公司 | 一种二次电池负极封口体 |
GB201704292D0 (en) | 2017-03-17 | 2017-05-03 | Dyson Technology Ltd | Energy storage device |
GB201704294D0 (en) | 2017-03-17 | 2017-05-03 | Dyson Technology Ltd | Energy storage device |
GB201704293D0 (en) | 2017-03-17 | 2017-05-03 | Dyson Technology Ltd | Energy storage device |
GB201704295D0 (en) | 2017-03-17 | 2017-05-03 | Dyson Technology Ltd | Energy storage device |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2797390B2 (ja) * | 1989-04-03 | 1998-09-17 | ソニー株式会社 | 非水電解質二次電池 |
JP3807528B2 (ja) * | 1998-01-16 | 2006-08-09 | 古河電池株式会社 | 円筒形2次電池 |
JPH11224689A (ja) * | 1998-02-04 | 1999-08-17 | Fujitsu Ltd | 巻回式リチウム二次電池とその電極巻回体 |
JPH11307132A (ja) * | 1998-04-24 | 1999-11-05 | Katoo Kiko:Kk | 二次電池用極板巻き取り装置 |
JP3786349B2 (ja) | 2001-09-18 | 2006-06-14 | 日立マクセル株式会社 | 非水二次電池 |
JP4159301B2 (ja) | 2001-11-28 | 2008-10-01 | 三洋電機株式会社 | 密閉電池 |
-
2004
- 2004-11-29 KR KR1020040098862A patent/KR100624941B1/ko active IP Right Grant
-
2005
- 2005-10-27 JP JP2005313469A patent/JP4429253B2/ja active Active
- 2005-11-28 US US11/287,374 patent/US7939196B2/en active Active
- 2005-11-29 CN CNB2005101242738A patent/CN100452523C/zh active Active
Also Published As
Publication number | Publication date |
---|---|
KR20060059707A (ko) | 2006-06-02 |
CN100452523C (zh) | 2009-01-14 |
JP4429253B2 (ja) | 2010-03-10 |
KR100624941B1 (ko) | 2006-09-18 |
US20060121339A1 (en) | 2006-06-08 |
CN1783567A (zh) | 2006-06-07 |
US7939196B2 (en) | 2011-05-10 |
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