KR20060028184A - 젤리롤 형 전극 조립체를 가지는 이차전지 - Google Patents
젤리롤 형 전극 조립체를 가지는 이차전지 Download PDFInfo
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- KR20060028184A KR20060028184A KR1020040077236A KR20040077236A KR20060028184A KR 20060028184 A KR20060028184 A KR 20060028184A KR 1020040077236 A KR1020040077236 A KR 1020040077236A KR 20040077236 A KR20040077236 A KR 20040077236A KR 20060028184 A KR20060028184 A KR 20060028184A
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- electrode assembly
- jelly roll
- tab
- secondary battery
- pouch
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- 235000015110 jellies Nutrition 0.000 title claims abstract description 44
- 239000008274 jelly Substances 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 claims description 9
- 239000003792 electrolyte Substances 0.000 claims description 8
- 229920000642 polymer Polymers 0.000 claims description 8
- 239000011347 resin Substances 0.000 claims description 7
- 229920005989 resin Polymers 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- -1 Polypropylene Polymers 0.000 claims description 4
- 239000000499 gel Substances 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 239000004743 Polypropylene Substances 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 3
- 239000011888 foil Substances 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 239000004677 Nylon Substances 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 238000010030 laminating Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 229920001778 nylon Polymers 0.000 claims description 2
- 230000004927 fusion Effects 0.000 claims 1
- 238000004804 winding Methods 0.000 abstract description 6
- 230000002093 peripheral effect Effects 0.000 abstract description 2
- 239000011800 void material Substances 0.000 abstract 1
- 239000011149 active material Substances 0.000 description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 4
- 238000003411 electrode reaction Methods 0.000 description 4
- 229910052744 lithium Inorganic materials 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 239000008151 electrolyte solution Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 229910018095 Ni-MH Inorganic materials 0.000 description 1
- 229910018477 Ni—MH Inorganic materials 0.000 description 1
- 239000002313 adhesive film Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000011244 liquid electrolyte Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- 229920006254 polymer film Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- 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
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- H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
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- H01M50/174—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells
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- H01M50/188—Sealing members characterised by the disposition of the sealing members the sealing members being arranged between the lid and terminal
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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
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- Condensed Matter Physics & Semiconductors (AREA)
- Dispersion Chemistry (AREA)
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- Connection Of Batteries Or Terminals (AREA)
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Abstract
Description
Claims (9)
- 서로 다른 극성의 두 전극 및 상기 두 전극 사이에 위치하는 세퍼레이터를 포함하여 이루어진 전극 적층체가 권취되어 젤리롤 형태로 이루어지는 전극 조립체에서,상기 두 전극에 형성되는 전극 탭이 젤리롤형 전극 조립체의 외주측에 동일한 수준으로 나란히 형성됨을 특징으로 하는 젤리롤형 전극 조립체를 가진 이차 전지.
- 제 1항에 있어서,상기 전극 조립체는 본 발명의 이차전지 전극 조립체는 타원형 혹은 트랙형의 젤리롤로 형성되고,상기 전극 조립체를 수용하는 용기는 홈이 형성된 하부를 판형 상부가 덮고 홈 주변의 플랜지 부분을 융착하여 밀봉되는 파우치인 것을 특징으로 하는 젤리롤형 전극 조립체를 가진 이차 전지.
- 제 2항에 있어서,상기 전극 조립체는 상기 홈에 상기 탭이 위쪽으로 가도록 내장되고,상기 탭은 상기 홈 내부에서 직선 형태로 뻗쳐서 밀봉된 상태의 상기 파우치의 상하부 사이로 외부로 인출됨을 특징으로 하는 젤리롤형 전극 조립체를 가진 이 차 전지.
- 제 2항 또는 제 3항에 있어서,상기 전극 조립체의 상기 탭이 인출되는 쪽의 상단과 상기 홈을 이루는 상기 파우치 하부의 대응되는 측벽은 직접 접촉되어 공간을 남기지 않도록 이루어지는 것을 특징으로 하는 젤리롤형 전극 조립체를 가진 이차 전지.
- 제 2항에 있어서,상기 파우치는 알미늄 금속 포일 외측에 나일론층 내측에 CPP(Casted Polypropylene)을 적층하여 형성됨을 특징으로 하는 젤리롤형 전극 조립체를 가진 이차 전지.
- 제 1항에 있어서,상기 탭이 상기 전극 조립체를 수용하는 용기와 교차하여 인출되는 부분에는 상기 탭과 상기 용기 사이에 수지 필름이 개재되는 것을 특징으로 하는 젤리롤형 전극 조립체를 가진 이차 전지.
- 제 6항에 있어서,상기 수지 필름은 상기 파우치의 내층에 비해 금속과의 접착성이 우수한 열접착성 물질로 이루어지는 것을 특징으로 하는 젤리롤형 전극 조립체를 가진 이차 전지.
- 제 1항에 있어서,상기 세퍼레이터는 전해질을 겸하는 완전 고체형 폴리머 또는 전해액이 함침되는 겔형 폴리머로 이루어지는 것을 특징으로 하는 젤리롤형 전극 조립체를 가진 이차 전지.
- 제 1항에 있어서,상기 전극 조립체는 각형 플라스틱 케이스에 수용되고, 상기 탭은 상기 케이스와 플라스틱 캡 어셈블리측의 한 장변 사이에 나란히 형성됨을 특징으로 하는 젤리롤형 전극 조립체를 가진 이차 전지.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040077236A KR100954031B1 (ko) | 2004-09-24 | 2004-09-24 | 젤리롤 형 전극 조립체를 가지는 이차전지 |
JP2005243338A JP4620552B2 (ja) | 2004-09-24 | 2005-08-24 | ゼリーロール型電極組立体を有する二次電池 |
US11/236,418 US20060154145A1 (en) | 2004-09-24 | 2005-09-26 | Secondary battery having jelly roll configuration type electrode assembly |
CNB2005101050973A CN100435403C (zh) | 2004-09-24 | 2005-09-26 | 具有胶卷型电极组件的二次电池 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020040077236A KR100954031B1 (ko) | 2004-09-24 | 2004-09-24 | 젤리롤 형 전극 조립체를 가지는 이차전지 |
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Publication Number | Publication Date |
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KR20060028184A true KR20060028184A (ko) | 2006-03-29 |
KR100954031B1 KR100954031B1 (ko) | 2010-04-20 |
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KR1020040077236A KR100954031B1 (ko) | 2004-09-24 | 2004-09-24 | 젤리롤 형 전극 조립체를 가지는 이차전지 |
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US (1) | US20060154145A1 (ko) |
JP (1) | JP4620552B2 (ko) |
KR (1) | KR100954031B1 (ko) |
CN (1) | CN100435403C (ko) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100709863B1 (ko) * | 2005-12-27 | 2007-04-23 | 삼성에스디아이 주식회사 | 이차 전지 |
KR101009517B1 (ko) * | 2008-06-23 | 2011-01-18 | 삼성에스디아이 주식회사 | 전극 조립체와 이를 이용한 리튬 이차 전지 |
KR101496065B1 (ko) * | 2010-11-02 | 2015-02-25 | 애플 인크. | 복수의 두께를 갖는 젤리 롤을 갖는 재충전가능한 배터리 |
US9929393B2 (en) | 2015-09-30 | 2018-03-27 | Apple Inc. | Wound battery cells with notches accommodating electrode connections |
US10135097B2 (en) | 2010-07-16 | 2018-11-20 | Apple Inc. | Construction of non-rectangular batteries |
US10868290B2 (en) | 2016-02-26 | 2020-12-15 | Apple Inc. | Lithium-metal batteries having improved dimensional stability and methods of manufacture |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
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US20060099501A1 (en) * | 2004-10-28 | 2006-05-11 | Kim Ka Y | Secondary battery |
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Also Published As
Publication number | Publication date |
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CN100435403C (zh) | 2008-11-19 |
KR100954031B1 (ko) | 2010-04-20 |
US20060154145A1 (en) | 2006-07-13 |
JP4620552B2 (ja) | 2011-01-26 |
CN1753229A (zh) | 2006-03-29 |
JP2006093118A (ja) | 2006-04-06 |
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