KR20050049208A - 안전성이 향상된 전기화학 전지 - Google Patents
안전성이 향상된 전기화학 전지 Download PDFInfo
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- KR20050049208A KR20050049208A KR1020030083116A KR20030083116A KR20050049208A KR 20050049208 A KR20050049208 A KR 20050049208A KR 1020030083116 A KR1020030083116 A KR 1020030083116A KR 20030083116 A KR20030083116 A KR 20030083116A KR 20050049208 A KR20050049208 A KR 20050049208A
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- KR
- South Korea
- Prior art keywords
- positive electrode
- battery
- active material
- coated
- separator
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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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
- H01M4/0402—Methods of deposition of the material
- H01M4/0404—Methods of deposition of the material by coating on electrode collectors
-
- 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
- H01M10/0583—Construction or manufacture of accumulators with folded construction elements except wound ones, i.e. folded positive or negative electrodes or separators, e.g. with "Z"-shaped electrodes or separators
-
- 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
-
- 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
- H01M10/36—Accumulators not provided for in groups H01M10/05-H01M10/34
- H01M10/38—Construction or manufacture
-
- 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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4235—Safety or regulating additives or arrangements in electrodes, separators or electrolyte
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/70—Carriers or collectors characterised by shape or form
-
- 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
- H01M10/0413—Large-sized flat cells or batteries for motive or stationary systems with plate-like 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
- 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
- H01M10/0585—Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
-
- 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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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Secondary Cells (AREA)
Abstract
Description
실시예 1 | 비교예 1 | 비교예 2 | 비교예 3 | |||||||||||
집전체두께* | 50% | 60% | 70% | 80% | 90% | 100% | 50% | 60% | 70% | 80% | 90% | 100% | ||
4.20V | 7 | 5 | 0 | 0 | 0 | 0 | 14 | 13 | 11 | 13 | 13 | 10 | 15 | 17 |
4.25V | 8 | 8 | 0 | 0 | 0 | 0 | 16 | 17 | 17 | 16 | 19 | 15 | 16 | 17 |
4.3V | 10 | 9 | 0 | 0 | 0 | 0 | 15 | 17 | 18 | 17 | 15 | 16 | 14 | 18 |
4.35V | 10 | 10 | 0 | 0 | 0 | 0 | 15 | 15 | 15 | 17 | 19 | 17 | 19 | 16 |
* (최외각 단면 코팅된 전극의 집전체의 두께/활물질 코팅층의 두께)X100 |
Claims (3)
- 전지를 구성하는 전극 중 최외각의 양 전극이 양극이고, 이 양극은 양극 집전체의 제1면이 양극 활물질로 단면 코팅되어 있으며, 양극 활물질이 코팅되어 있지 않은 양극 집전체의 제2면이 전지조립체의 바깥쪽으로 향하도록 배치되어 있고, 상기 양극 집전체의 두께는 양극 활물질 코팅층 두께의 70% 내지 150 % 인 것을 특징으로 하는 전지.
- 제1항에 있어서, 상기 전지는 양극, 분리막, 음극, 분리막 및 양극으로 구성된 바이셀(bicell)인 것을 특징으로 하는 전지.
- 제1항에 있어서, 상기 전지는 양극, 분리막 및 음극으로 구성된 풀셀(full cell) 및 양극, 분리막, 음극, 분리막 및 양극으로 구성되거나 음극, 분리막, 양극, 분리막 및 음극으로 구성된 바이셀(bicell)로 구성된 군에서 선택되는 셀 단위가 중첩되어 있고 그 중첩부에 분리 필름을 개재되어 있는 구조를 갖는 중첩 전지인 것을 특징으로 하는 전지.
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030083116A KR100611940B1 (ko) | 2003-11-21 | 2003-11-21 | 안전성이 향상된 전기화학 전지 |
TW093135520A TWI252603B (en) | 2003-11-21 | 2004-11-19 | Electrochemical cell having an improved safety |
EP04808201.0A EP1714347B1 (en) | 2003-11-21 | 2004-11-19 | Electrochemical cell having an improved safety |
PCT/KR2004/003007 WO2005050772A1 (en) | 2003-11-21 | 2004-11-19 | Electrochemical cell having an improved safety |
US10/992,800 US8304105B2 (en) | 2003-11-21 | 2004-11-19 | Electrochemical cell having an improved safety |
BRPI0416689-2A BRPI0416689B1 (pt) | 2003-11-21 | 2004-11-19 | Célula eletroquímica possuindo uma segurança aperfeiçoada |
CNB2004800339301A CN100490243C (zh) | 2003-11-21 | 2004-11-19 | 具有改进安全性的电化学电池 |
RU2006117322/09A RU2315397C1 (ru) | 2003-11-21 | 2004-11-19 | Электрохимический элемент с улучшенной безопасностью |
JP2006539404A JP4588714B2 (ja) | 2003-11-21 | 2004-11-19 | 安全性を改良した電気化学的電池 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030083116A KR100611940B1 (ko) | 2003-11-21 | 2003-11-21 | 안전성이 향상된 전기화학 전지 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20050049208A true KR20050049208A (ko) | 2005-05-25 |
KR100611940B1 KR100611940B1 (ko) | 2006-08-11 |
Family
ID=34617274
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020030083116A KR100611940B1 (ko) | 2003-11-21 | 2003-11-21 | 안전성이 향상된 전기화학 전지 |
Country Status (9)
Country | Link |
---|---|
US (1) | US8304105B2 (ko) |
EP (1) | EP1714347B1 (ko) |
JP (1) | JP4588714B2 (ko) |
KR (1) | KR100611940B1 (ko) |
CN (1) | CN100490243C (ko) |
BR (1) | BRPI0416689B1 (ko) |
RU (1) | RU2315397C1 (ko) |
TW (1) | TWI252603B (ko) |
WO (1) | WO2005050772A1 (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014062027A1 (ko) * | 2012-10-19 | 2014-04-24 | 에스케이이노베이션 주식회사 | 이차전지 |
US11177519B2 (en) | 2017-07-06 | 2021-11-16 | Lg Chem, Ltd. | Secondary battery |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
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JP4640354B2 (ja) * | 2007-02-26 | 2011-03-02 | ソニー株式会社 | 電極構造体およびその製造方法、ならびに電池およびその製造方法 |
CN101689633A (zh) * | 2007-05-08 | 2010-03-31 | 加利福尼亚大学董事会 | 高放电倍率锂离子电池 |
TW201125188A (en) * | 2010-01-08 | 2011-07-16 | Phoenix Silicon Int Corp | Coating removal equipment and its removal method thereof. |
WO2011136028A1 (en) | 2010-04-28 | 2011-11-03 | Semiconductor Energy Laboratory Co., Ltd. | Power storage device and method for manufacturing the same |
WO2011152190A1 (en) | 2010-06-02 | 2011-12-08 | Semiconductor Energy Laboratory Co., Ltd. | Power storage device and method for manufacturing the same |
EP3070776B1 (en) * | 2014-01-10 | 2018-04-11 | LG Chem, Ltd. | Electrode assembly having safety separator, and secondary battery comprising same |
EP3216067B1 (en) * | 2014-11-05 | 2021-09-15 | 24m Technologies, Inc. | Electrochemical cells having semi-solid electrodes and methods of manufacturing the same |
CN113300029A (zh) | 2015-06-18 | 2021-08-24 | 24M技术公司 | 单袋电池单元以及制造方法 |
KR102051554B1 (ko) * | 2016-08-17 | 2019-12-03 | 주식회사 엘지화학 | 침상 도체로 인한 단락을 방지하는 인슐레이터 어셈블리를 포함하는 전지셀 |
JP6638692B2 (ja) * | 2017-04-28 | 2020-01-29 | トヨタ自動車株式会社 | 積層電池 |
JP6724861B2 (ja) * | 2017-05-26 | 2020-07-15 | トヨタ自動車株式会社 | 電極集電体および全固体電池 |
WO2019073595A1 (ja) * | 2017-10-13 | 2019-04-18 | Necエナジーデバイス株式会社 | リチウムイオン二次電池 |
CN108987794B (zh) * | 2018-07-17 | 2020-10-23 | 惠州市豪鹏科技有限公司 | 一种软包式锂离子电池及穿钉测试方法 |
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-
2003
- 2003-11-21 KR KR1020030083116A patent/KR100611940B1/ko active IP Right Grant
-
2004
- 2004-11-19 TW TW093135520A patent/TWI252603B/zh active
- 2004-11-19 EP EP04808201.0A patent/EP1714347B1/en active Active
- 2004-11-19 BR BRPI0416689-2A patent/BRPI0416689B1/pt active IP Right Grant
- 2004-11-19 WO PCT/KR2004/003007 patent/WO2005050772A1/en not_active Application Discontinuation
- 2004-11-19 US US10/992,800 patent/US8304105B2/en active Active
- 2004-11-19 CN CNB2004800339301A patent/CN100490243C/zh active Active
- 2004-11-19 JP JP2006539404A patent/JP4588714B2/ja active Active
- 2004-11-19 RU RU2006117322/09A patent/RU2315397C1/ru active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014062027A1 (ko) * | 2012-10-19 | 2014-04-24 | 에스케이이노베이션 주식회사 | 이차전지 |
KR20140050269A (ko) * | 2012-10-19 | 2014-04-29 | 에스케이이노베이션 주식회사 | 이차전지 |
US11177519B2 (en) | 2017-07-06 | 2021-11-16 | Lg Chem, Ltd. | Secondary battery |
US11728466B2 (en) | 2017-07-06 | 2023-08-15 | Lg Energy Solution, Ltd. | Secondary battery |
Also Published As
Publication number | Publication date |
---|---|
US8304105B2 (en) | 2012-11-06 |
TWI252603B (en) | 2006-04-01 |
JP4588714B2 (ja) | 2010-12-01 |
US20050123827A1 (en) | 2005-06-09 |
CN100490243C (zh) | 2009-05-20 |
CN1883075A (zh) | 2006-12-20 |
RU2315397C1 (ru) | 2008-01-20 |
TW200527743A (en) | 2005-08-16 |
EP1714347A1 (en) | 2006-10-25 |
WO2005050772A1 (en) | 2005-06-02 |
BRPI0416689A (pt) | 2007-01-30 |
JP2007511055A (ja) | 2007-04-26 |
KR100611940B1 (ko) | 2006-08-11 |
BRPI0416689B1 (pt) | 2014-08-19 |
EP1714347A4 (en) | 2010-06-23 |
EP1714347B1 (en) | 2014-04-16 |
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