KR100601517B1 - 이차 전지 - Google Patents
이차 전지 Download PDFInfo
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- KR100601517B1 KR100601517B1 KR1020040077222A KR20040077222A KR100601517B1 KR 100601517 B1 KR100601517 B1 KR 100601517B1 KR 1020040077222 A KR1020040077222 A KR 1020040077222A KR 20040077222 A KR20040077222 A KR 20040077222A KR 100601517 B1 KR100601517 B1 KR 100601517B1
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- Prior art keywords
- electrode
- secondary battery
- plate
- assembly
- electrode assembly
- Prior art date
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- 238000003466 welding Methods 0.000 claims abstract description 35
- 239000003792 electrolyte Substances 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 8
- 235000015110 jellies Nutrition 0.000 claims description 4
- 239000008274 jelly Substances 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000007773 negative electrode material Substances 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000007774 positive electrode material Substances 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 238000004804 winding Methods 0.000 abstract description 8
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 238000009413 insulation Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 239000006182 cathode active material Substances 0.000 description 2
- 239000008151 electrolyte solution Substances 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910012851 LiCoO 2 Inorganic materials 0.000 description 1
- 229910015645 LiMn Inorganic materials 0.000 description 1
- 229910013290 LiNiO 2 Inorganic materials 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- CKFRRHLHAJZIIN-UHFFFAOYSA-N cobalt lithium Chemical compound [Li].[Co] CKFRRHLHAJZIIN-UHFFFAOYSA-N 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- QHGJSLXSVXVKHZ-UHFFFAOYSA-N dilithium;dioxido(dioxo)manganese Chemical compound [Li+].[Li+].[O-][Mn]([O-])(=O)=O QHGJSLXSVXVKHZ-UHFFFAOYSA-N 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- RSNHXDVSISOZOB-UHFFFAOYSA-N lithium nickel Chemical compound [Li].[Ni] RSNHXDVSISOZOB-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
Images
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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
- H01M10/0431—Cells with wound or folded electrodes
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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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/543—Terminals
- H01M50/545—Terminals formed by the casing of the cells
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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
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- 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
- 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
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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
- H01M50/183—Sealing members
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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
- H01M50/30—Arrangements for facilitating escape of gases
- H01M50/342—Non-re-sealable arrangements
-
- 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
- H01M50/342—Non-re-sealable arrangements
- H01M50/3425—Non-re-sealable arrangements in the form of rupturable membranes or weakened parts, e.g. pierced with the aid of a sharp member
-
- 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
- H01M50/528—Fixed electrical connections, i.e. not intended for disconnection
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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
- H01M50/60—Arrangements or processes for filling or topping-up with liquids; Arrangements or processes for draining liquids from casings
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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
- H01M50/60—Arrangements or processes for filling or topping-up with liquids; Arrangements or processes for draining liquids from casings
- H01M50/609—Arrangements or processes for filling with liquid, e.g. electrolytes
- H01M50/627—Filling ports
- H01M50/636—Closing or sealing filling ports, e.g. using lids
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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
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49108—Electric battery cell making
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49108—Electric battery cell making
- Y10T29/49114—Electric battery cell making including adhesively bonding
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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)
- Materials Engineering (AREA)
- Secondary Cells (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Gas Exhaust Devices For Batteries (AREA)
- Filling, Topping-Up Batteries (AREA)
Abstract
Description
Claims (15)
- 일측에 개방부를 갖는 육면체 형태의 캔;상기 캔의 내부에 제1극판, 세퍼레이터 및 제2극판이 적층된 채 다수회 권취되어 수납되고, 상기 제1극판은 상기 캔의 내측 표면에 직접 접속되며, 상기 제2극판에는 전극탭이 접속되어 있는 전극 조립체; 및,상기 캔의 개방부에 캡 플레이트가 결합되고, 상기 캡 플레이트에는 상기 전극탭이 용접되는 전극 단자가 결합된 캡 조립체를 포함하여 이루어진 것을 특징으로 하는 이차 전지.
- 제 1 항에 있어서, 상기 캔은 상대적으로 넓은 면적을 가지며 상호 일정 거리 이격된 한쌍의 장변부와, 상기 장변부의 양측 둘레에 상대적으로 작은 면적을 가지며 상기 장변부와 일체로 형성된 단변부와, 상기 개방부의 반대 방향으로서 상기 장변부 및 단변부와 일체로 형성된 바닥부를 포함하여 이루어진 것을 특징으로 하는 이차 전지.
- 제 2 항에 있어서, 상기 단변부는 곡률을 갖도록 형성된 것을 특징으로 하는 이차 전지.
- 제 2 항에 있어서, 상기 단변부는 상기 장변부에 대하여 직각 형태로 형성된 것을 특징으로 하는 이차 전지.
- 제 2 항에 있어서, 상기 캔은 상기 장변부가 상기 전극 조립체의 제1극판과 직접 접속된 것을 특징으로 하는 이차 전지.
- 제 2 항에 있어서, 상기 캔의 장변부와 상기 전극 조립체의 제1극판 사이에는 전극 조립체를 캔에 전기적 및 기계적으로 접속시키는 용접 영역이 더 형성된 것을 특징으로 하는 이차 전지.
- 제 2 항에 있어서, 상기 캔의 장변부는 대각선이 교차하는 영역에서 상기 전극 조립체의 제1극판과 접속된 것을 특징으로 하는 이차 전지.
- 제 1 항에 있어서, 상기 캔은 알루미늄, 스틸, 스테인레스 스틸, 구리 또는 구리 합금중 선택된 어느 하나로 형성된 것을 특징으로 하는 이차 전지.
- 제 1 항에 있어서, 상기 전극 조립체는 장변과 단변을 갖는 젤리 롤 형태로 권취되고, 상기 단변에 대응하는 영역에는 전극 조립체가 캔 내부에서 유동하지 않도록 절연 테이프가 더 접착된 것을 특징으로 하는 이차 전지.
- 제 1 항에 있어서, 상기 캡 조립체는 상기 전극 단자가 절연 가스켓이 개재 된 채 상기 캡 플레이트에 결합되어 있는 것을 특징으로 하는 이차 전지.
- 제 1 항에 있어서, 상기 캡 조립체는 상기 캡 플레이트와 전극 조립체 사이에, 상기 전극탭이 통과하여 상기 전극 단자에 접속될 수 있도록 통공이 형성된 절연 케이스가 더 개재된 것을 특징으로 하는 이차 전지.
- 제 1 항에 있어서, 상기 전극 조립체중 제1극판에는 양극 활물질이 코팅되어 있고, 제2극판에는 음극 활물질이 코팅되어 있는 것을 특징으로 하는 이차 전지.
- 제 1 항에 있어서, 상기 전극탭의 표면에는 제1극판과의 쇼트를 방지하기 위해 절연 테이프가 더 접착되어 있는 것을 특징으로 하는 이차 전지.
- 제 1 항에 있어서, 상기 캡 조립체중 캡 플레이트에는 전해액 주입을 위한 전해액 주입구가 형성되고, 상기 전해액 주입구에는 볼이 삽입되어 용접된 것을 특징으로 하는 이차 전지.
- 제 1 항에 있어서, 상기 캡 조립체중 캡 플레이트에는 상기 캡 플레이트의 두께보다 얇은 두께로 형성되어 내압 증가시 파열되는 안전 벤트가 형성된 것을 특징으로 하는 이차 전지.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040077222A KR100601517B1 (ko) | 2004-09-24 | 2004-09-24 | 이차 전지 |
JP2005184683A JP4870390B2 (ja) | 2004-09-24 | 2005-06-24 | 二次電池 |
US11/234,832 US7862925B2 (en) | 2004-09-24 | 2005-09-23 | Secondary battery |
CNB2005101053685A CN100420085C (zh) | 2004-09-24 | 2005-09-23 | 二次电池 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040077222A KR100601517B1 (ko) | 2004-09-24 | 2004-09-24 | 이차 전지 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20060028171A KR20060028171A (ko) | 2006-03-29 |
KR100601517B1 true KR100601517B1 (ko) | 2006-07-19 |
Family
ID=36233848
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020040077222A KR100601517B1 (ko) | 2004-09-24 | 2004-09-24 | 이차 전지 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7862925B2 (ko) |
JP (1) | JP4870390B2 (ko) |
KR (1) | KR100601517B1 (ko) |
CN (1) | CN100420085C (ko) |
Families Citing this family (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080057390A1 (en) * | 2006-08-31 | 2008-03-06 | Seiko Epson Corporation | Secondary battery |
JP5053036B2 (ja) * | 2007-10-25 | 2012-10-17 | 睦月電機株式会社 | 密閉型電池 |
KR100965718B1 (ko) * | 2008-10-08 | 2010-06-24 | 삼성에스디아이 주식회사 | 이차 전지 |
JP4998451B2 (ja) * | 2008-12-16 | 2012-08-15 | トヨタ自動車株式会社 | 2次電池およびその組電池および2次電池を搭載する車両および電池搭載機器 |
DE102009042270A1 (de) * | 2009-09-22 | 2011-03-31 | Behr Gmbh & Co. Kg | Isolationsvorrichtung und Verfahren zur Herstellung einer Isolationsvorrichtung |
KR101040826B1 (ko) * | 2009-09-28 | 2011-06-14 | 삼성에스디아이 주식회사 | 이차전지 |
US8492022B2 (en) * | 2009-10-07 | 2013-07-23 | Samsung Sdi Co., Ltd. | Rechargeable battery with buffer sheet between electrode assembly and battery case |
US8709632B2 (en) | 2009-11-13 | 2014-04-29 | Samsung Sdi Co., Ltd. | Battery module |
JP4803306B1 (ja) * | 2010-04-07 | 2011-10-26 | ソニー株式会社 | 電池パックおよび電池パックの製造方法 |
TWI413291B (zh) * | 2010-08-24 | 2013-10-21 | Ind Tech Res Inst | 具均溫與導熱之熱電共同通道的電池及其端蓋組 |
JP6005748B2 (ja) * | 2012-08-28 | 2016-10-12 | 日立オートモティブシステムズ株式会社 | 角形二次電池 |
JP2015015092A (ja) * | 2013-07-03 | 2015-01-22 | トヨタ自動車株式会社 | 非水電解液二次電池及びその製造方法 |
US20150086858A1 (en) * | 2013-09-24 | 2015-03-26 | Samsung Sdi Co., Ltd. | Rechargeable battery |
JP6414731B2 (ja) * | 2013-10-01 | 2018-10-31 | 株式会社Gsユアサ | 蓄電素子及び蓄電装置 |
KR102020635B1 (ko) * | 2013-11-20 | 2019-09-10 | 삼성에스디아이 주식회사 | 배터리 팩 |
USD751985S1 (en) * | 2014-10-02 | 2016-03-22 | Matthew Curry | Portable power supply |
JP6137556B2 (ja) * | 2014-11-04 | 2017-05-31 | トヨタ自動車株式会社 | 非水電解液二次電池およびその製造方法 |
KR102314081B1 (ko) * | 2014-11-26 | 2021-10-15 | 삼성에스디아이 주식회사 | 탭을 갖는 이차 전지 |
JP6521779B2 (ja) * | 2015-07-23 | 2019-05-29 | 日立オートモティブシステムズ株式会社 | 二次電池 |
USD792409S1 (en) * | 2015-11-11 | 2017-07-18 | Samsung Electronics Co., Ltd. | External solid state drive |
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- 2005-09-23 US US11/234,832 patent/US7862925B2/en not_active Expired - Fee Related
- 2005-09-23 CN CNB2005101053685A patent/CN100420085C/zh not_active Expired - Fee Related
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Also Published As
Publication number | Publication date |
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CN1758474A (zh) | 2006-04-12 |
CN100420085C (zh) | 2008-09-17 |
JP2006093100A (ja) | 2006-04-06 |
US20060099504A1 (en) | 2006-05-11 |
KR20060028171A (ko) | 2006-03-29 |
JP4870390B2 (ja) | 2012-02-08 |
US7862925B2 (en) | 2011-01-04 |
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