KR20060010652A - 전지용 외장재 및 이를 이용한 리튬 폴리머 전지 - Google Patents
전지용 외장재 및 이를 이용한 리튬 폴리머 전지 Download PDFInfo
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- KR20060010652A KR20060010652A KR1020040059423A KR20040059423A KR20060010652A KR 20060010652 A KR20060010652 A KR 20060010652A KR 1020040059423 A KR1020040059423 A KR 1020040059423A KR 20040059423 A KR20040059423 A KR 20040059423A KR 20060010652 A KR20060010652 A KR 20060010652A
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- Prior art keywords
- battery
- steel
- pet
- packaging material
- polyethylene terephthalate
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- 229920000642 polymer Polymers 0.000 title claims abstract description 30
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 29
- 239000005020 polyethylene terephthalate Substances 0.000 claims abstract description 70
- 229920000139 polyethylene terephthalate Polymers 0.000 claims abstract description 70
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 62
- 239000010959 steel Substances 0.000 claims abstract description 62
- -1 polypropylene Polymers 0.000 claims abstract description 56
- 239000000463 material Substances 0.000 claims abstract description 37
- 239000000853 adhesive Substances 0.000 claims abstract description 34
- 230000001070 adhesive effect Effects 0.000 claims abstract description 32
- 239000004743 Polypropylene Substances 0.000 claims abstract description 23
- 229920001155 polypropylene Polymers 0.000 claims abstract description 23
- 239000005022 packaging material Substances 0.000 claims description 37
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 16
- 239000011651 chromium Substances 0.000 claims description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 11
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 10
- 230000001681 protective effect Effects 0.000 claims description 8
- 229910000599 Cr alloy Inorganic materials 0.000 claims description 7
- 229910000640 Fe alloy Inorganic materials 0.000 claims description 7
- 229910045601 alloy Inorganic materials 0.000 claims description 7
- 239000000956 alloy Substances 0.000 claims description 7
- 229910001339 C alloy Inorganic materials 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 239000002904 solvent Substances 0.000 claims description 6
- 239000011572 manganese Substances 0.000 claims description 5
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 4
- 229910000914 Mn alloy Inorganic materials 0.000 claims description 3
- 229910000990 Ni alloy Inorganic materials 0.000 claims description 3
- 238000005728 strengthening Methods 0.000 claims description 3
- 230000004927 fusion Effects 0.000 claims 2
- 230000008961 swelling Effects 0.000 abstract description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 7
- 239000003792 electrolyte Substances 0.000 description 7
- 230000001965 increasing effect Effects 0.000 description 6
- 239000005518 polymer electrolyte Substances 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 4
- 229910052804 chromium Inorganic materials 0.000 description 4
- 229910052759 nickel Inorganic materials 0.000 description 4
- 230000035939 shock Effects 0.000 description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 230000002708 enhancing effect Effects 0.000 description 3
- 239000011888 foil Substances 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910012851 LiCoO 2 Inorganic materials 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000788 chromium alloy Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 229910000625 lithium cobalt oxide Inorganic materials 0.000 description 1
- BFZPBUKRYWOWDV-UHFFFAOYSA-N lithium;oxido(oxo)cobalt Chemical compound [Li+].[O-][Co]=O BFZPBUKRYWOWDV-UHFFFAOYSA-N 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
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Abstract
Description
Claims (21)
- 대략 평평한 제1면과 이것의 반대면인 대략 평평한 제2면을 갖는 스틸;상기 스틸의 제1면에 일정 두께로 접착된 제1접착제;상기 제1접착제에 일정 두께로 접착된 변성 폴리프로필렌(CPP); 및,상기 스틸의 제2면에 일정 두께로 라미네이트된 폴리에틸렌테레프탈레이트(PET)를 포함하여 이루어진 것을 특징으로 하는 전지용 외장재.
- 제 1 항에 있어서, 상기 스틸의 제2면과 폴리에틸렌테레프탈레이트(PET) 사이에는 제2접착제가 더 개재되어 있는 것을 특징으로 하는 전지용 외장재.
- 제 1 항에 있어서, 상기 스틸의 제1면과 제2면 사이의 두께는 20~100um인 것을 특징으로 하는 전지용 외장재.
- 제 1 항에 있어서, 상기 스틸은 철, 탄소, 크롬 및 망간의 합금 또는 철, 탄소, 크롬 및 니켈의 합금중 선택된 어느 하나인 것을 특징으로 하는 전지용 외장재.
- 제 1 항에 있어서, 상기 스틸은 연신율이 20~60%인 것을 특징으로 하는 전지용 외장재.
- 제 1 항에 있어서, 상기 폴리에틸렌테레프탈레이트(PET)는 알로이 필름(alloy film)인 것을 특징으로 하는 전지용 외장재.
- 제 1 항에 있어서, 상기 폴리에틸렌테레프탈레이트(PET)에는 분말상의 충격강화용 고무, 상기 고무를 감싸는 밀착 강화용 가용화제 및 접착제가 더 포함되어 있는 것을 특징으로 하는 전지용 외장재.
- 제 1 항에 있어서, 상기 폴리에틸렌테레프탈레이트(PET)는 두께가 5~10um인 것을 특징으로 하는 전지용 외장재.
- 제 1 항에 있어서, 상기 전지용 외장재는 다수의 양극 집전체와 음극 집전체 사이에 세퍼레이터가 개재된 전극 조립체가 수납될 수 있도록 일정 깊이의 드로잉부를 갖는 제1영역과, 상기 제1영역의 일단에서 접히기 시작하여 상기 드로잉부를 덮는 제2영역을 포함하여 이루어진 것을 특징으로 하는 전지용 외장재.
- 제 9 항에 있어서, 상기 전지용 외장재는 상기 제1영역 및 제2영역중 상기 드로잉부의 외주연에 대응하는 변성 폴리프로필렌(CPP)이 상호 열융착되어 접합된 것을 특징으로 하는 전지용 외장재.
- 다수의 양극 집전체와 음극 집전체가 세퍼레이터를 개재하여 구비되고, 상기 양극 집전체 및 음극 집전체로부터 외측으로 일정 길이 연장되어 접합된 양극탭 및 음극탭이 구비된 전극 조립체; 및,상기 전극 조립체가 수납될 수 있도록 일정 깊이의 드로잉부를 갖는 제1영역이 구비되고, 상기 제1영역의 드로잉부를 덮을 수 있도록 제2영역이 구비된 스틸 재질의 외장재를 포함하여 이루어진 것을 특징으로 하는 리튬 폴리머 전지.
- 제 11 항에 있어서, 상기 외장재는대략 평평한 제1면과 이것의 반대면인 대략 평평한 제2면을 갖는 스틸;상기 스틸의 제1면에 일정 두께로 접착된 제1접착제;상기 제1접착제에 일정 두께로 접착된 변성 폴리프로필렌(CPP); 및,상기 스틸의 제2면에 일정 두께인 동시에 고온에서 라미네이트된 폴리에틸렌테레프탈레이트(PET)로 이루어진 것을 특징으로 하는 리튬 폴리머 전지.
- 제 12 항에 있어서, 상기 스틸의 제2면과 폴리에틸렌테레프탈레이트(PET) 사이에는 제2접착제가 더 개재되어 있는 것을 특징으로 하는 리튬 폴리머 전지.
- 제 12 항에 있어서, 상기 스틸의 제1면과 제2면 사이의 두께는 20~100um인 것을 특징으로 하는 리튬 폴리머 전지.
- 제 12 항에 있어서, 상기 스틸은 철, 탄소, 크롬 및 망간의 합금 또는 철, 탄소, 크롬 및 니켈의 합금중 선택된 어느 하나인 것을 특징으로 하는 전지용 외장재.
- 제 11 항에 있어서, 상기 스틸은 연신율이 20~60%인 것을 특징으로 하는 리튬 폴리머 전지.
- 제 12 항에 있어서, 상기 폴리에틸렌테레프탈레이트(PET)는 알로이 필름(alloy film)인 것을 특징으로 하는 리튬 폴리머 전지.
- 제 12 항에 있어서, 상기 폴리에틸렌테레프탈레이트(PET)에는 분말상의 충격강화용 고무, 상기 고무를 감싸는 밀착 강화용 가용화제 및 접착제가 더 포함되어 있는 것을 특징으로 하는 리튬 폴리머 전지.
- 제 12 항에 있어서, 상기 폴리에틸렌테레프탈레이트(PET)는 두께가 5~10um인 것을 특징으로 하는 전지용 외장재.
- 제 12 항에 있어서, 상기 양극탭 및 음극탭은 상기 외장재 외부로 일정 길이 연장되고, 상기 외장재에는 보호회로기판이 위치되며, 상기 보호회로기판에는 상기 양극탭 및 음극탭이 접속된 것을 특징으로 하는 리튬 폴리머 전지.
- 제 12 항에 있어서, 상기 전지용 외장재는 상기 제1영역 및 제2영역중 상기 드로잉부의 외주연에 대응하는 변성 폴리프로필렌(CPP)이 상호 열융착되어 접합된 것을 특징으로 하는 리튬 폴리머 전지.
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US9722217B2 (en) | 2013-08-07 | 2017-08-01 | Samsung Sdi Co., Ltd. | Pouch type battery cell |
US9911947B2 (en) | 2013-09-11 | 2018-03-06 | Samsung Sdi Co., Ltd. | Battery cell for electronic device |
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KR100876254B1 (ko) * | 2007-07-20 | 2008-12-26 | 삼성에스디아이 주식회사 | 파우치형 이차전지 |
DE102008032263A1 (de) * | 2008-07-09 | 2010-01-21 | Li-Tec Battery Gmbh | Nach galvanischen Prinzipien arbeitende elektrische Einrichtung |
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DE102008053009A1 (de) * | 2008-10-23 | 2010-04-29 | Li-Tec Battery Gmbh | Elektroden für eine nach galvanischen Prinzipien arbeitende elektrische Einrichtung, wie Lithium-Ionen-Zellen, und Verfahren zu deren Herstellung |
DE102008053011A1 (de) * | 2008-10-23 | 2010-04-29 | Li-Tec Battery Gmbh | Galvanische Zelle für einen Akkumulator |
DE102008053089A1 (de) | 2008-10-24 | 2010-04-29 | Li-Tec Battery Gmbh | Akkumulator mit mehreren galvanischen Zellen |
DE102008062158A1 (de) * | 2008-12-15 | 2010-06-17 | Li-Tec Battery Gmbh | Vorrichtung zur Speicherung elektrischer Energie |
US8709645B2 (en) | 2011-07-01 | 2014-04-29 | Apple Inc. | Battery pouch sheet edge insulation |
US10418664B2 (en) * | 2014-09-26 | 2019-09-17 | Arizona Board Of Regents On Behalf Of Arizona State University | Stretchable batteries |
WO2016109652A1 (en) | 2015-01-02 | 2016-07-07 | Arizona Board Of Regents On Behalf Of Arizona State University | Archimedean spiral design for deformable electronics |
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JPH0567457A (ja) * | 1991-09-06 | 1993-03-19 | Asahi Chem Ind Co Ltd | 非水系高容量二次電池 |
JPH10308198A (ja) * | 1997-05-06 | 1998-11-17 | Asahi Chem Ind Co Ltd | 電池外装体用積層フィルム |
JP4000646B2 (ja) * | 1997-12-17 | 2007-10-31 | 宇部興産株式会社 | 二次電池用非水電解液 |
US6406817B2 (en) * | 1998-07-01 | 2002-06-18 | Ube Industries, Ltd. | Crosslinked polymer, electrolyte using the polymer, and nonaqueous secondary battery using the electrolyte |
JP4433506B2 (ja) * | 1998-11-06 | 2010-03-17 | 株式会社ジーエス・ユアサコーポレーション | 電池 |
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TWI304321B (en) * | 2002-12-27 | 2008-12-11 | Toray Industries | Layered products, electromagnetic wave shielding molded articles and method for production thereof |
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2004
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Cited By (2)
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US9722217B2 (en) | 2013-08-07 | 2017-08-01 | Samsung Sdi Co., Ltd. | Pouch type battery cell |
US9911947B2 (en) | 2013-09-11 | 2018-03-06 | Samsung Sdi Co., Ltd. | Battery cell for electronic device |
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US20060073383A1 (en) | 2006-04-06 |
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