KR100687377B1 - 비수전해질 이차 전지 - Google Patents
비수전해질 이차 전지 Download PDFInfo
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- KR100687377B1 KR100687377B1 KR1020057003140A KR20057003140A KR100687377B1 KR 100687377 B1 KR100687377 B1 KR 100687377B1 KR 1020057003140 A KR1020057003140 A KR 1020057003140A KR 20057003140 A KR20057003140 A KR 20057003140A KR 100687377 B1 KR100687377 B1 KR 100687377B1
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- KR
- South Korea
- Prior art keywords
- separator
- secondary battery
- electrolyte secondary
- nonaqueous electrolyte
- thermal contraction
- Prior art date
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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
- H01M10/058—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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
- H01M10/0564—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of organic materials only
- H01M10/0566—Liquid materials
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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
- H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
- H01M10/0564—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of organic materials only
- H01M10/0566—Liquid materials
- H01M10/0567—Liquid materials characterised by the additives
-
- 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
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/46—Separators, membranes or diaphragms characterised by their combination with 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
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/463—Separators, membranes or diaphragms characterised by their shape
-
- 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
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/489—Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2300/00—Electrolytes
- H01M2300/0017—Non-aqueous electrolytes
- H01M2300/0025—Organic electrolyte
-
- 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
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the 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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/543—Terminals
- H01M50/547—Terminals characterised by the disposition of the terminals on the cells
- H01M50/55—Terminals characterised by the disposition of the terminals on the cells on the same side of the cell
-
- 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
- H01M50/552—Terminals characterised by their shape
- H01M50/553—Terminals adapted for prismatic, pouch or rectangular cells
- H01M50/557—Plate-shaped terminals
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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
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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)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Inorganic Chemistry (AREA)
- Secondary Cells (AREA)
- Cell Separators (AREA)
Abstract
Description
Claims (8)
- 양극, 음극 및 세퍼레이터(separator)를 포함하는 적층물이 나선형으로 코일링되거나 편평하게 코일링된 전극군, 및 상기 전극군에 수용된 비수전해질(非水電解質)을 구비하며,상기 전극군에 있어서 상기 세퍼레이터의 코일링 방향 측면의 단부는 상기 양극 및 상기 음극의 코일링 방향 측면의 단부보다 돌출되어 있고,상기 세퍼레이터는 하기 수학식 1∼수학식 3을 만족하는 것을 특징으로 하는 비수전해질 이차 전지.(수학식 1)(수학식 2)(수학식 3)[단, 상기 Y1은 상기 세퍼레이터의 코일링 방향의 90 ℃에서의 열수축률(%)이고, 상기 X1은 상기 세퍼레이터의 코일링 방향과 직교하는 방향의 90 ℃에서의 열수축률(%)이며, 상기 Y2는 상기 세퍼레이터의 코일링 방향의 110 ℃에서의 열수 축률(%)이고, 상기 X2은 상기 세퍼레이터의 코일링 방향과 직교하는 방향의 110 ℃에서의 열수축률(%)이다.]
- 제 1 항에 있어서,상기 비수전해질은 오르토 염화 톨루엔, 파라 염화 톨루엔 및 오르토 플루오르화 톨루엔으로 이루어진 군으로부터 선택되는 1 종류 이상의 할로겐화 톨루엔을 함유하는 것을 특징으로 하는 비수전해질 이차 전지.
- 제 2 항에 있어서,상기 비수전해질은 γ-부티로락톤과 고리형 카르보네이트를 추가로 함유하는 것을 특징으로 하는 비수전해질 이차 전지.
- 제 1 항에 있어서,상기 음극의 코일링 방향 측면 단부로부터의 상기 세퍼레이터의 돌출 크기는 0.5 mm∼5 mm의 범위인 것을 특징으로 하는 비수전해질 이차 전지.
- 제 1 항에 있어서,상기 열수축률(X2)은 5 % 이하인 것을 특징으로 하는 비수전해질 이차 전지.
- 제 1 항에 있어서,상기 열수축률(Y1)은 0.5 %∼7 %인 것을 특징으로 하는 비수전해질 이차 전지.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002255609A JP2004095383A (ja) | 2002-08-30 | 2002-08-30 | 非水電解質二次電池 |
JPJP-P-2002-00255609 | 2002-08-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20050087779A KR20050087779A (ko) | 2005-08-31 |
KR100687377B1 true KR100687377B1 (ko) | 2007-02-26 |
Family
ID=31972898
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020057003140A KR100687377B1 (ko) | 2002-08-30 | 2003-09-01 | 비수전해질 이차 전지 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7128998B2 (ko) |
JP (1) | JP2004095383A (ko) |
KR (1) | KR100687377B1 (ko) |
CN (1) | CN100440608C (ko) |
WO (1) | WO2004021502A1 (ko) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005117195A1 (en) * | 2004-05-28 | 2005-12-08 | Lg Chem, Ltd. | Lithium secondary batteries with charge-cutoff voltages over 4.35 |
KR100635704B1 (ko) * | 2004-10-01 | 2006-10-17 | 삼성에스디아이 주식회사 | 리튬이온 이차전지용 전해액 및 이를 포함하는 리튬이온이차전지 |
KR20060029747A (ko) | 2004-10-01 | 2006-04-07 | 삼성에스디아이 주식회사 | 리튬이온 이차전지용 전해액 및 이를 포함하는 리튬이온이차전지 |
KR100869377B1 (ko) * | 2006-05-08 | 2008-11-19 | 주식회사 엘지화학 | 병렬 연결 구조의 중첩식 이차전지 |
US10003058B2 (en) * | 2006-11-17 | 2018-06-19 | Celgard, Llc | Method of making a co-extruded, multi-layered battery separator |
KR100898670B1 (ko) * | 2006-11-30 | 2009-05-22 | 삼성에스디아이 주식회사 | 리튬 이차 전지용 세퍼레이터 및 이를 채용한 리튬 이차전지 |
US8771866B2 (en) * | 2010-03-30 | 2014-07-08 | Samsung Sdi Co., Ltd. | Pouch type secondary battery and the fabrication method thereof |
US9887404B2 (en) * | 2011-05-25 | 2018-02-06 | Samsung Sdi Co., Ltd. | Secondary battery |
US9246185B2 (en) * | 2013-03-14 | 2016-01-26 | Sion Power Corporation | Electrochemical cell having a folded electrode and separator, battery including the same, and method of forming same |
JP6020929B2 (ja) * | 2013-09-09 | 2016-11-02 | トヨタ自動車株式会社 | 非水電解液二次電池 |
JP6572565B2 (ja) * | 2015-03-11 | 2019-09-11 | 株式会社Gsユアサ | 非水電解質二次電池及び非水電解質二次電池の製造方法 |
US10038220B2 (en) | 2015-12-30 | 2018-07-31 | Greatbatch Ltd. | Nonaqueous electrolyte for lithium battery safety |
CN114520303A (zh) * | 2020-11-19 | 2022-05-20 | 宁德新能源科技有限公司 | 一种电化学装置以及电子装置 |
CN117937051B (zh) * | 2024-03-21 | 2024-06-21 | 宁德新能源科技有限公司 | 一种隔离膜、二次电池和电子装置 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000049073A1 (en) * | 1999-02-19 | 2000-08-24 | Tonen Chemical Corporation | Polyolefin microporous film and method for preparing the same |
JP2000348706A (ja) * | 1999-03-31 | 2000-12-15 | Mitsubishi Chemicals Corp | 電池用セパレーター |
JP3752913B2 (ja) * | 1999-09-17 | 2006-03-08 | 三菱電機株式会社 | 二次電池 |
JP4553468B2 (ja) * | 2000-09-12 | 2010-09-29 | 日立マクセル株式会社 | 非水二次電池およびその充電方法 |
JP2003217674A (ja) * | 2002-01-25 | 2003-07-31 | Sony Corp | 非水電解質電池 |
-
2002
- 2002-08-30 JP JP2002255609A patent/JP2004095383A/ja active Pending
-
2003
- 2003-09-01 WO PCT/JP2003/011164 patent/WO2004021502A1/ja active Application Filing
- 2003-09-01 KR KR1020057003140A patent/KR100687377B1/ko active IP Right Grant
- 2003-09-01 CN CNB038206382A patent/CN100440608C/zh not_active Expired - Lifetime
-
2005
- 2005-02-28 US US11/066,490 patent/US7128998B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JP2004095383A (ja) | 2004-03-25 |
CN100440608C (zh) | 2008-12-03 |
US7128998B2 (en) | 2006-10-31 |
KR20050087779A (ko) | 2005-08-31 |
US20050196664A1 (en) | 2005-09-08 |
WO2004021502A1 (ja) | 2004-03-11 |
CN1679201A (zh) | 2005-10-05 |
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