KR20050112927A - 4.35v 이상급 리튬 이온 이차 전지 - Google Patents
4.35v 이상급 리튬 이온 이차 전지 Download PDFInfo
- Publication number
- KR20050112927A KR20050112927A KR1020040038374A KR20040038374A KR20050112927A KR 20050112927 A KR20050112927 A KR 20050112927A KR 1020040038374 A KR1020040038374 A KR 1020040038374A KR 20040038374 A KR20040038374 A KR 20040038374A KR 20050112927 A KR20050112927 A KR 20050112927A
- Authority
- KR
- South Korea
- Prior art keywords
- battery
- lithium ion
- secondary battery
- ion secondary
- positive electrode
- Prior art date
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Classifications
-
- 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
-
- 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
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/131—Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Secondary Cells (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
전 지 | 충전종지전압(V) | 양극(C) 대비 음극(A)의단위면적당 중량비(A/C) |
실시예1 | 4.35 | 0.50 |
실시예2 | 4.4 | 0.53 |
실시예3 | 4.5 | 0.57 |
비교예1 | 4.2 | 0.44 |
비교예1 | 실시예1 | 실시예2 | 실시예3 | |
충전종지전압(V) | 4.2 | 4.35 | 4.4 | 4.5 |
초기 충전 용량(mAh/g) | 155.0 | 179.7 | 188.9 | 208.4 |
초기 방전 용량(mAh/g) | 149.4 | 171.3 | 179.1 | 194.7 |
효율(%) | 96.4 | 95.3 | 94.8 | 93.4 |
용량 증가율(%) | 100 | 114 | 120 | 130 |
단위부피당 에너지밀도 증가율(%) | 100 | 115.6 | 122.3 | 133.4 |
Claims (5)
- a) 리튬 이온을 흡장 및 방출할 수 있는 양극활물질을 포함하는 양극;b) 리튬 이온을 흡장 및 방출할 수 있는 음극활물질을 포함하는 음극;c) 상기 양극과 음극 사이에 존재하는 분리막; 및d) 전해질을 포함하는 리튬 이온 이차 전지에 있어서, 상기 양극(C) 대비 음극(A)의 단위면적당 중량비(A/C)가 0.44 내지 0.64이며, 전지의 충전종지전압이 4.35 내지 4.6V인 고용량의 리튬 이온 이차 전지.
- 제 1항에 있어서, 상기 양극활물질은 LiCoO2인 리튬 이온 이차 전지.
- 제 1항 또는 제 2항에 있어서, 상기 양극활물질의 크기가 5 내지 30μm인 리튬 이온 이차 전지.
- 제 1항에 있어서, 상기 양극의 로딩량이 0.01 내지 0.03g/cm2인 리튬 이온 이차 전지.
- 제 1항에 있어서, 상기 양극(C) 대비 음극(A)의 전극판 두께 비(A/C)가 0.8 내지 1.2인 것을 특징으로 하는 리튬 이온 이차 전지.
Priority Applications (19)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040038374A KR100786955B1 (ko) | 2004-05-28 | 2004-05-28 | 4.35v 이상급 리튬 이온 이차 전지 |
BRPI0511204A BRPI0511204B1 (pt) | 2004-05-28 | 2005-05-27 | bateria secundária de lítio |
TW094117413A TWI306680B (en) | 2004-05-28 | 2005-05-27 | Additives for lithium secondary battery |
US11/139,921 US20060068293A1 (en) | 2004-05-28 | 2005-05-27 | Lithium secondary batteries with charge-cutoff voltages over 4.35 |
PCT/KR2005/001557 WO2005117198A1 (en) | 2004-05-28 | 2005-05-27 | Additives for lithium secondary battery |
US11/139,897 US20060024584A1 (en) | 2004-05-28 | 2005-05-27 | Additives for lithium secondary battery |
RU2006147005/09A RU2325014C1 (ru) | 2004-05-28 | 2005-05-27 | Литиевые вторичные батареи с предельными напряжениями зарядки более 4,35 в |
EP05746057A EP1766717B1 (en) | 2004-05-28 | 2005-05-27 | Additives for lithium secondary battery |
RU2006142312/09A RU2327260C1 (ru) | 2004-05-28 | 2005-05-27 | Добавки к литиевой вторичной батарее |
CNB2005800173921A CN100544106C (zh) | 2004-05-28 | 2005-05-27 | 充电截止电压超过4.35v的锂二次电池 |
BRPI0511211A BRPI0511211B8 (pt) | 2004-05-28 | 2005-05-27 | Bateria secundária de lítio |
EP05746061A EP1771912B1 (en) | 2004-05-28 | 2005-05-27 | Lithium secondary batteries with charge-cutoff voltages over 4.35 volt |
DE602005020295T DE602005020295D1 (de) | 2004-05-28 | 2005-05-27 | Zusatzstoffe für eine lithium-sekundärbatterie |
JP2007514900A JP4975617B2 (ja) | 2004-05-28 | 2005-05-27 | 4.35v以上級のリチウム2次電池 |
CNB200580017212XA CN100550503C (zh) | 2004-05-28 | 2005-05-27 | 锂二次电池用添加剂 |
JP2007526993A JP4543085B2 (ja) | 2004-05-28 | 2005-05-27 | リチウム2次電池用添加剤 |
TW094117412A TWI269473B (en) | 2004-05-28 | 2005-05-27 | Lithium secondary batteries with charge-cutoff voltages over 4.35 |
PCT/KR2005/001556 WO2005117195A1 (en) | 2004-05-28 | 2005-05-27 | Lithium secondary batteries with charge-cutoff voltages over 4.35 |
JP2011211143A JP5420614B2 (ja) | 2004-05-28 | 2011-09-27 | 4.35v以上級のリチウム2次電池 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040038374A KR100786955B1 (ko) | 2004-05-28 | 2004-05-28 | 4.35v 이상급 리튬 이온 이차 전지 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20050112927A true KR20050112927A (ko) | 2005-12-01 |
KR100786955B1 KR100786955B1 (ko) | 2007-12-17 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020040038374A KR100786955B1 (ko) | 2004-05-28 | 2004-05-28 | 4.35v 이상급 리튬 이온 이차 전지 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100786955B1 (ko) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001351624A (ja) | 2000-06-02 | 2001-12-21 | Hitachi Maxell Ltd | 非水二次電池およびその使用方法 |
JP4257719B2 (ja) | 2001-03-09 | 2009-04-22 | 日立マクセル株式会社 | 非水二次電池およびそのシステム |
CN1205689C (zh) * | 2001-09-28 | 2005-06-08 | 任晓平 | 二次锂离子电池或电池组、其保护电路以及电子装置 |
KR100441524B1 (ko) | 2002-01-24 | 2004-07-23 | 삼성에스디아이 주식회사 | 리튬 이차 전지용 양극 활물질 슬러리 조성물 |
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- 2004-05-28 KR KR1020040038374A patent/KR100786955B1/ko active IP Right Grant
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KR100786955B1 (ko) | 2007-12-17 |
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