KR100489794B1 - 신뢰성이 높고 수명이 긴 비수 전해질 2차 전지 - Google Patents
신뢰성이 높고 수명이 긴 비수 전해질 2차 전지 Download PDFInfo
- Publication number
- KR100489794B1 KR100489794B1 KR10-2003-0013481A KR20030013481A KR100489794B1 KR 100489794 B1 KR100489794 B1 KR 100489794B1 KR 20030013481 A KR20030013481 A KR 20030013481A KR 100489794 B1 KR100489794 B1 KR 100489794B1
- Authority
- KR
- South Korea
- Prior art keywords
- battery
- positive electrode
- lithium
- nonaqueous electrolyte
- secondary battery
- Prior art date
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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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/50—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese
- H01M4/505—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
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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
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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
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/52—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron
- H01M4/525—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
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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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Secondary Cells (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
Claims (5)
- 스피넬 구조를 가지며, 입자 직경의 평균이 1~2㎛인 1차 입자들이 모여 이루어진 2차 입자로서 그 입자 직경의 평균은 8~15㎛이며, 조성식이 Li1+xMn2-x-yAlyO4 (0 ≤x≤0.2 이고, 0≤y≤0.15 임)인 리튬 망간 산화물; 및조성식이 LiNiaMnbCocAldO2 (0.4≤a≤0.85 이고, 0.05≤b≤0.5 이고, 0≤c≤0.2 이고, 0≤d≤0.1 이고, 0≤a+b+c+d≤1 임)인 리튬 니켈 복합 산화물;을 포함하되,상기 리튬 망간 산화물과 리튬 니켈 복합 산화물의 혼합비가 중량비로 90:10 내지 70:30 인 양극 활물질 조성물.
- 삭제
- 제 1 항에 있어서, 상기 리튬 니켈 복합 산화물은 입자 직경의 평균이 5 ~ 20㎛ 인 양극활 물질 조성물.
- 비수 전해질 2차 전지에 있어서,양극이 제 1 항 또는 제 3 항에 의한 양극 활물질 조성물을 포함하는 비수 전해질 2차 전지.
- 제 4 항에 있어서, 상기 양극 집전체 위의 담지량은 0.6 ~ 2.5 mAh/cm2 인 비수 전해질 2차 전지.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2003-0013481A KR100489794B1 (ko) | 2003-03-04 | 2003-03-04 | 신뢰성이 높고 수명이 긴 비수 전해질 2차 전지 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2003-0013481A KR100489794B1 (ko) | 2003-03-04 | 2003-03-04 | 신뢰성이 높고 수명이 긴 비수 전해질 2차 전지 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20040078522A KR20040078522A (ko) | 2004-09-10 |
KR100489794B1 true KR100489794B1 (ko) | 2005-05-16 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR10-2003-0013481A KR100489794B1 (ko) | 2003-03-04 | 2003-03-04 | 신뢰성이 높고 수명이 긴 비수 전해질 2차 전지 |
Country Status (1)
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KR (1) | KR100489794B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100775294B1 (ko) | 2005-09-20 | 2007-11-08 | 주식회사 엘지화학 | 전극활물질 및 이를 포함하는 전지 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101338299B1 (ko) * | 2011-06-29 | 2013-12-09 | 주식회사 엘지화학 | 고전압용 이차전지 |
JP5786255B2 (ja) * | 2012-04-24 | 2015-09-30 | エルジー・ケム・リミテッド | 出力向上のためのリチウム二次電池の複合電極用活物質およびこれを含むリチウム二次電池 |
-
2003
- 2003-03-04 KR KR10-2003-0013481A patent/KR100489794B1/ko active IP Right Grant
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100775294B1 (ko) | 2005-09-20 | 2007-11-08 | 주식회사 엘지화학 | 전극활물질 및 이를 포함하는 전지 |
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Publication number | Publication date |
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KR20040078522A (ko) | 2004-09-10 |
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