KR100561297B1 - 리튬 이차 전지 - Google Patents
리튬 이차 전지 Download PDFInfo
- Publication number
- KR100561297B1 KR100561297B1 KR1020040072327A KR20040072327A KR100561297B1 KR 100561297 B1 KR100561297 B1 KR 100561297B1 KR 1020040072327 A KR1020040072327 A KR 1020040072327A KR 20040072327 A KR20040072327 A KR 20040072327A KR 100561297 B1 KR100561297 B1 KR 100561297B1
- Authority
- KR
- South Korea
- Prior art keywords
- secondary battery
- lithium secondary
- resin
- electrode
- insulating case
- Prior art date
Links
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 33
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 33
- 239000000463 material Substances 0.000 claims abstract description 26
- 239000011347 resin Substances 0.000 claims abstract description 25
- 229920005989 resin Polymers 0.000 claims abstract description 25
- -1 Polypropylene Polymers 0.000 claims abstract description 20
- 239000000805 composite resin Substances 0.000 claims abstract description 12
- 238000009413 insulation Methods 0.000 claims abstract description 11
- 239000003792 electrolyte Substances 0.000 claims description 10
- 229930040373 Paraformaldehyde Natural products 0.000 claims description 8
- 239000004696 Poly ether ether ketone Substances 0.000 claims description 8
- 229920002530 polyetherether ketone Polymers 0.000 claims description 8
- 229920006324 polyoxymethylene Polymers 0.000 claims description 8
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 229920001643 poly(ether ketone) Polymers 0.000 claims description 6
- 239000004734 Polyphenylene sulfide Substances 0.000 claims description 5
- 239000005011 phenolic resin Substances 0.000 claims description 5
- 229920000069 polyphenylene sulfide Polymers 0.000 claims description 5
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 4
- 239000004917 carbon fiber Substances 0.000 claims description 4
- 239000003365 glass fiber Substances 0.000 claims description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 3
- 229920001568 phenolic resin Polymers 0.000 claims description 3
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 2
- 229920001342 Bakelite® Polymers 0.000 claims description 2
- 239000004637 bakelite Substances 0.000 claims description 2
- 239000008151 electrolyte solution Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
- 239000004743 Polypropylene Substances 0.000 abstract description 12
- 229920001155 polypropylene Polymers 0.000 abstract description 12
- 229920001519 homopolymer Polymers 0.000 description 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- 229920001577 copolymer Polymers 0.000 description 3
- 239000003960 organic solvent Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000011244 liquid electrolyte Substances 0.000 description 2
- 239000011255 nonaqueous electrolyte Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000005518 polymer electrolyte Substances 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 229920006038 crystalline resin Polymers 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 229910003002 lithium salt Inorganic materials 0.000 description 1
- 159000000002 lithium salts Chemical class 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 229920003986 novolac Polymers 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 229920003987 resole Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 125000004434 sulfur atom Chemical group 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 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
- 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
- H01M50/584—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries
- H01M50/59—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries characterised by the protection means
- H01M50/593—Spacers; Insulating plates
-
- 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
- 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
-
- 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
- H01M50/121—Organic material
-
- 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
- H01M50/122—Composite material consisting of a mixture of organic and inorganic materials
-
- 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
- H01M50/131—Primary casings; Jackets or wrappings characterised by physical properties, e.g. gas permeability, size or heat resistance
-
- 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
- H01M50/14—Primary casings; Jackets or wrappings for protecting against damage caused by external factors
-
- 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
-
- 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)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Composite Materials (AREA)
- Materials Engineering (AREA)
- Secondary Cells (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
Description
Claims (10)
- 제1 전극, 제2 전극, 및 그 사이에 개재된 세퍼레이터와 함께 권취된 전극조립체와, 상기 전극조립체 상부에 위치하는 절연케이스를 포함하는 리튬 이차 전지에 있어서,상기 절연케이스는 인장강도가 500kg/㎠ 이상인 수지 또는 수지 복합재료로 형성되는 것을 특징으로 하는 리튬 이차 전지.
- 제 1 항에 있어서, 상기 수지 또는 수지 복합재료는 압축강도가 900kg/㎠ 이상인 것을 특징으로 하는 리튬 이차 전지.
- 제 1 항에 있어서, 상기 수지 또는 수지 복합재료는 전해액과 반응하지 않는 것을 특징으로 하는 리튬 이차 전지.
- 제 1 항에 있어서, 상기 절연케이스는 페놀수지, 폴리페닐렌설파이드, 폴리에테르에테르케톤, 폴레에테르케톤, 폴리옥시메틸렌 및 이들의 유리섬유 또는 탄소섬유강화 수지로 이루어진 군에서 선택되는 재료로 형성되는 것을 특징으로 하는 리튬 이차 전지.
- 제 4 항에 있어서, 상기 절연케이스는 베이클라이트로 형성되어 있는 것을 특징으로 하는 리튬 이차 전지.
- 제 1 항 내지 제 5 항 중 어느 한 항에 있어서, 상기 절연케이스는 본체부와, 상기 본체부의 양 측단 상에 위치하는 측단 지지부를 포함하는 것을 특징으로 하는 리튬 이차 전지.
- 제 6 항에 있어서, 상기 양 측단 지지부는 상방향으로 돌출되어 있는 것을 특징으로 하는 리튬 이차 전지.
- 제 6 항에 있어서, 상기 절연케이스는 상기 본체부의 측면 상에서 적어도 하나의 측면 지지부를 더 포함하는 것을 특징으로 하는 리튬 이차 전지.
- 제 8 항에 있어서, 상기 측면 지지부는 상방향으로 돌출되어 있는 것을 특징으로 하는 리튬 이차 전지.
- 제 6 항에 있어서, 상기 절연케이스의 본체부에 전극탭 인출구 또는 전해액 주입구가 형성되어 있는 것을 특징으로 하는 리튬 이차 전지.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040072327A KR100561297B1 (ko) | 2004-09-09 | 2004-09-09 | 리튬 이차 전지 |
JP2005246336A JP4611843B2 (ja) | 2004-09-09 | 2005-08-26 | リチウム二次電池 |
CNB2005100987847A CN100536220C (zh) | 2004-09-09 | 2005-09-07 | 锂二次电池 |
US11/223,439 US7666546B2 (en) | 2004-09-09 | 2005-09-09 | Lithium secondary battery |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040072327A KR100561297B1 (ko) | 2004-09-09 | 2004-09-09 | 리튬 이차 전지 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20060023471A KR20060023471A (ko) | 2006-03-14 |
KR100561297B1 true KR100561297B1 (ko) | 2006-03-15 |
Family
ID=36159321
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020040072327A KR100561297B1 (ko) | 2004-09-09 | 2004-09-09 | 리튬 이차 전지 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7666546B2 (ko) |
JP (1) | JP4611843B2 (ko) |
KR (1) | KR100561297B1 (ko) |
CN (1) | CN100536220C (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101264553B1 (ko) | 2010-11-05 | 2013-05-14 | 주식회사 엘지화학 | 안전성이 향상된 이차전지 |
US9799859B2 (en) | 2010-11-05 | 2017-10-24 | Lg Chem, Ltd. | Secondary battery having improved safety |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101243518B1 (ko) * | 2006-05-08 | 2013-03-20 | 삼성에스디아이 주식회사 | 리튬 이차전지용 절연 케이스 및 이를 이용한 리튬이차전지 |
JP4862528B2 (ja) * | 2006-07-19 | 2012-01-25 | パナソニック株式会社 | 電気化学素子 |
JP2009224094A (ja) * | 2008-03-14 | 2009-10-01 | Sanyo Electric Co Ltd | 角形密閉電池 |
KR101528004B1 (ko) * | 2012-09-04 | 2015-06-10 | 주식회사 엘지화학 | 이차전지용 절연부재 공급 장치 |
KR101689216B1 (ko) * | 2013-03-06 | 2016-12-23 | 삼성에스디아이 주식회사 | 이차전지 |
KR101483133B1 (ko) * | 2014-06-30 | 2015-01-15 | 삼성에스디아이 주식회사 | 이차 전지 |
KR101944006B1 (ko) * | 2015-05-07 | 2019-01-30 | 주식회사 엘지화학 | 이차전지용 절연부재의 이송장치 |
KR101882976B1 (ko) * | 2017-04-21 | 2018-07-27 | 주식회사 비츠로셀 | 안정성이 우수한 리튬일차전지 |
KR102488800B1 (ko) * | 2017-12-08 | 2023-01-16 | 주식회사 엘지에너지솔루션 | 향상된 기계적 강도를 갖는 외장재를 포함하는 전지 캔 |
KR102268405B1 (ko) | 2018-01-29 | 2021-06-24 | 주식회사 엘지에너지솔루션 | 이차 전지용 절연판 및 그의 제조 방법 |
WO2019146926A1 (ko) * | 2018-01-29 | 2019-08-01 | 주식회사 엘지화학 | 이차 전지 및 이차 전지용 절연판 |
JP7273554B2 (ja) * | 2019-03-15 | 2023-05-15 | マクセル株式会社 | 密閉型電池 |
US20220320678A1 (en) * | 2019-07-29 | 2022-10-06 | Sanyo Electric Co., Ltd. | Battery pack |
CN114583407B (zh) * | 2022-05-09 | 2022-07-05 | 宁德新能源科技有限公司 | 电化学装置及用电设备 |
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KR100449763B1 (ko) | 2002-09-11 | 2004-09-22 | 삼성에스디아이 주식회사 | 캡조립체 및 이를 채용한 이차전지 |
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2004
- 2004-09-09 KR KR1020040072327A patent/KR100561297B1/ko active IP Right Grant
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2005
- 2005-08-26 JP JP2005246336A patent/JP4611843B2/ja active Active
- 2005-09-07 CN CNB2005100987847A patent/CN100536220C/zh active Active
- 2005-09-09 US US11/223,439 patent/US7666546B2/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101264553B1 (ko) | 2010-11-05 | 2013-05-14 | 주식회사 엘지화학 | 안전성이 향상된 이차전지 |
US9799859B2 (en) | 2010-11-05 | 2017-10-24 | Lg Chem, Ltd. | Secondary battery having improved safety |
Also Published As
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CN100536220C (zh) | 2009-09-02 |
KR20060023471A (ko) | 2006-03-14 |
US7666546B2 (en) | 2010-02-23 |
JP2006080064A (ja) | 2006-03-23 |
JP4611843B2 (ja) | 2011-01-12 |
CN1747219A (zh) | 2006-03-15 |
US20060057456A1 (en) | 2006-03-16 |
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