KR100424638B1 - 리튬 이차전지용 양극 활물질 및 그의 제조방법 - Google Patents
리튬 이차전지용 양극 활물질 및 그의 제조방법 Download PDFInfo
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- KR100424638B1 KR100424638B1 KR10-2001-0066486A KR20010066486A KR100424638B1 KR 100424638 B1 KR100424638 B1 KR 100424638B1 KR 20010066486 A KR20010066486 A KR 20010066486A KR 100424638 B1 KR100424638 B1 KR 100424638B1
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- lithium
- active material
- oxide
- positive electrode
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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
- H01M4/13—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
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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
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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
- H01M10/052—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
- 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
- H01M4/36—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
-
- 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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- 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
- 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
- H01M4/139—Processes of manufacture
- H01M4/1391—Processes of manufacture of electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
-
- 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
- H01M4/485—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
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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)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Secondary Cells (AREA)
Abstract
Description
구 분 | 과충전 수명 시험 | 방전용량 (mAh/g) | 안전성 시험결과 |
실시예 2 | 불량 | 126 | 파열되지 않음 |
실시예 3 | 우수 | 132 | 파열되지 않음 |
실시예 4 | 우수 | 136 | 파열되지 않음 |
실시예 5 | 불량 | 139 | 파열되지 않음 |
비교예 1 | 불량 | 110 | 파열되지 않음 |
비교예 2 | 불량 | 142 | 파열 |
Claims (8)
- 리튬 코발트계 산화물과 리튬 망간계 산화물을 포함하고,상기 리튬 코발트계 산화물은 하기 화학식 1로 표기되는 화합물이고,상기 리튬 망간계 산화물은 하기 화학식 2 또는 3으로 표기되는 화합물이고,상기 리튬 망간계 산화물을 상기 리튬 코발트계 산화물 100 중량부 대비 10 내지 50 중량부의 양으로 포함되는 것인 리튬 이차 전지용 양극 활물질.[화학식 1]LixCo1-yMyA2(상기 식에서, 1.0 ≤ x ≤ 1.1, 0.01 ≤ y ≤ 0.1, 0.01 ≤ z ≤ 0.5이며, M은 Ni, Al, Cr, Co, Mg, La, Ce, Sr 및 V로 이루어진 군에서 선택되는 전이 금속 또는 란타나이드 금속 중 적어도 하나 이상의 금속이고, A는 O, F, S 및 P로 이루어진 군에서 선택된다.)[화학식 2]LixMn1-yMyO2-zAz[화학식 3]LixMn2-yMyO4-zAz(상기 식에서, 1.0 ≤ x ≤ 1.1, 0.01 ≤ y ≤ 0.1, 0.01 ≤ z ≤ 0.5이며, M은 Ni, Al, Cr, Co, Mg, La, Ce, Sr 및 V로 이루어진 군에서 선택되는 전이 금속 또는 란타나이드 금속 중 적어도 하나 이상의 금속이고, A는 O, F, S 및 P로 이루어진 군에서 선택된다.)
- 삭제
- 삭제
- 삭제
- 리튬 코발트계 산화물과 리튬 망간계 산화물을 혼합하는 공정을 포함하고, 상기 리튬 코발트계 산화물은 상기 리튬 코발트계 산화물은 하기 화학식 1로 표기되는 화합물이고,상기 리튬 망간계 산화물은 하기 화학식 2 또는 3으로 표기되는 화합물이고,상기 리튬 망간계 산화물을 상기 리튬 코발트계 산화물 100 중량부 대비 10 내지 50 중량부의 양으로 사용되는 것인 리튬 이차 전지용 양극 활물질의 제조방법.[화학식 1]LixCo1-yMyA2(상기 식에서, 1.0 ≤ x ≤ 1.1, 0.01 ≤ y ≤ 0.1, 0.01 ≤ z ≤ 0.5이며, M은 Ni, Al, Cr, Co, Mg, La, Ce, Sr 및 V로 이루어진 군에서 선택되는 전이 금속 또는 란타나이드 금속 중 적어도 하나 이상의 금속이고, A는 O, F, S 및 P로 이루어진 군에서 선택된다.)[화학식 2]LixMn1-yMyO2-zAz[화학식 3]LixMn2-yMyO4-zAz(상기 식에서, 1.0 ≤ x ≤ 1.1, 0.01 ≤ y ≤ 0.1, 0.01 ≤ z ≤ 0.5이며, M은 Ni, Al, Cr, Co, Mg, La, Ce, Sr 및 V로 이루어진 군에서 선택되는 전이 금속 또는 란타나이드 금속 중 적어도 하나 이상의 금속이고, A는 O, F, S 및 P로 이루어진 군에서 선택된다.)
- 삭제
- 삭제
- 삭제
Priority Applications (1)
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KR10-2001-0066486A KR100424638B1 (ko) | 2001-10-26 | 2001-10-26 | 리튬 이차전지용 양극 활물질 및 그의 제조방법 |
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KR10-2001-0066486A KR100424638B1 (ko) | 2001-10-26 | 2001-10-26 | 리튬 이차전지용 양극 활물질 및 그의 제조방법 |
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KR20030034762A KR20030034762A (ko) | 2003-05-09 |
KR100424638B1 true KR100424638B1 (ko) | 2004-03-24 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR100550361B1 (ko) * | 2003-11-15 | 2006-02-08 | 한국전기연구원 | 글리신 용액을 이용한 리튬이차전지용 금속산화물의제조방법 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102306768B (zh) | 2006-03-20 | 2015-04-15 | 株式会社Lg化学 | 化学计量的锂钴氧化物的制备方法 |
CN101405899B (zh) | 2006-03-20 | 2012-04-04 | 株式会社Lg化学 | 具有高效能的锂电池阴极材料 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH08315860A (ja) * | 1995-05-23 | 1996-11-29 | Fuji Photo Film Co Ltd | 非水電解質二次電池 |
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Publication number | Priority date | Publication date | Assignee | Title |
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JPH08315860A (ja) * | 1995-05-23 | 1996-11-29 | Fuji Photo Film Co Ltd | 非水電解質二次電池 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100550361B1 (ko) * | 2003-11-15 | 2006-02-08 | 한국전기연구원 | 글리신 용액을 이용한 리튬이차전지용 금속산화물의제조방법 |
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