KR20020093602A - 리튬 2차 전지용 양극재료 및 그 제조방법 - Google Patents
리튬 2차 전지용 양극재료 및 그 제조방법 Download PDFInfo
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- KR20020093602A KR20020093602A KR1020020031686A KR20020031686A KR20020093602A KR 20020093602 A KR20020093602 A KR 20020093602A KR 1020020031686 A KR1020020031686 A KR 1020020031686A KR 20020031686 A KR20020031686 A KR 20020031686A KR 20020093602 A KR20020093602 A KR 20020093602A
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- South Korea
- Prior art keywords
- positive electrode
- secondary battery
- lithium secondary
- cathode material
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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
-
- 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
-
- 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
- H01M4/131—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
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/139—Processes of 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
- H01M4/139—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
- H01M4/50—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
- H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
- H01M2004/028—Positive electrodes
-
- 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
Claims (10)
- 화학식 LixNiyCozMmO2(여기에서, M 은 Ba, Sr 및 B 에서 선택된 1종 또는 2종 이상의 원소이고, x, y, z 및 m 은 각 원소의 몰비의 값으로, 각각 0.9 ≤x ≤1.1, 0.5 ≤y ≤0.95, 0.05 ≤z ≤0.5, 0.0005 ≤m ≤0.02 임) 로 표시되는 화합물로 구성되며, 분말형상이고, BET 비표면적값이 0.8㎡/g 인, 열안정성이 높으며 또한 방전용량이 큰 리튬 2차 전지용 양극재료.
- 제 1 항에 있어서, BET 비표면적값이 0.5㎡/g 미만인 것을 특징으로 하는 양극재료.
- 제 1 항 또는 제 2 항에 있어서, 화학식 LixNiyCozMmO2(여기에서, M 은 Ba, Sr 및 B 에서 선택된 1종 또는 2종 이상의 원소이고, x, y, z 및 m 은 각 원소의 몰비의 값으로, 각각 0.9 ≤x ≤1.1, 0.5 ≤y ≤0.95, 0.05 ≤z ≤0.5, 0.0005 ≤m ≤0.02 임) 로 표시되는 화합물은 충전상태에서 화학식 LiaNibCocMnO2(여기에서, a, b, c 및 n 은 각 원소의 몰비의 값으로, 각각 0.2 ≤a ≤0.4, 0.5 ≤b ≤0.95, 0.05 ≤c ≤0.5, 0.0005 ≤n ≤0.02 임) 로 표시되는 화합물로서, DTG 증대 개시온도가 215℃ 이상인 것을 특징으로 하는 양극재료.
- 제 3 항에 있어서, DTG 증대 개시온도가 230℃ 이상인 것을 특징으로 하는 양극재료.
- 제 1 항 내지 제 4 항 중 어느 한 항에 있어서, 화학식 LixNiyCozMmO2로 표시되는 화합물이 분말형상으로서, 탭 밀도가 1.5g/㎤ 이상인 것을 특징으로 하는 양극재료.
- NiyCoz(OH)2로 표시되는 화합물의 분말과 리튬염 및 원소 M 을 함유한 염을 혼합하고, 이어서 소성 (heating) 시키고 해쇄 (pulverizing) 시켜 화학식 LixNiyCozMmO2(여기에서, M 은 Ba, Sr 및 B 에서 선택된 1종 또는 2종 이상의 원소이고, x, y, z 및 m 은 각각 0.9 ≤x ≤1.1, 0.5 ≤y ≤0.95, 0.05 ≤z ≤0.5, 0.0005 ≤m ≤0.02 임) 로 표시되는 리튬 2차 전지용 양극재료를 제조함에 있어서, 상기 NiyCoz(OH)2로 표시되는 화합물의 분말은 탭 밀도가 1.8g/㎤ 이상, 평균입자직경이 5∼20㎛ 인, 제 1 항 내지 제 5 항 중 어느 한 항에 기재된 열안정성이 높으며 또한 방전용량이 큰 리튬 2차 전지용 양극재료의 제조방법.
- 제 6 항에 있어서, 상기 NiyCoz(OH)2로 표시되는 화합물의 분말입자의 형상이 구형상인 것을 특징으로 하는 양극재료의 제조방법.
- 제 6 항에 있어서, 소성은 산소 분위기에서 300∼500℃ 에서 2∼6h 의 유지를 실행하는 예비소성, 이 예비소성 후 5∼30℃/min 으로 승온시키는 승온단계 및 이 승온단계에 이어서 650∼900℃ 에서 2∼30h 의 유지를 실행하는 최종 소성단계를 순서대로 실행하는 것을 특징으로 하는 양극재료의 제조방법.
- 양극의 활성물질이 제 1 항 내지 제 5 항 중 어느 한 항에 기재된 양극재료를 함유하는 리튬 2차 전지.
- 양극의 활성물질이 제 1 항 내지 제 5 항 중 어느 한 항에 기재된 양극재료인 리튬 2차 전지.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001173285 | 2001-06-07 | ||
| JPJP-P-2001-00173285 | 2001-06-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20020093602A true KR20020093602A (ko) | 2002-12-16 |
| KR100734197B1 KR100734197B1 (ko) | 2007-07-02 |
Family
ID=19014771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020020031686A Expired - Lifetime KR100734197B1 (ko) | 2001-06-07 | 2002-06-05 | 리튬 2차 전지용 양극재료 및 그 제조방법 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US7510804B2 (ko) |
| EP (1) | EP1265300B1 (ko) |
| KR (1) | KR100734197B1 (ko) |
| CN (1) | CN100539265C (ko) |
| CA (1) | CA2388936C (ko) |
| DE (1) | DE60237659D1 (ko) |
| TW (1) | TW571456B (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013109038A1 (ko) * | 2012-01-17 | 2013-07-25 | 주식회사 엘지화학 | 양극 활물질 및 이를 포함하고 불순물 혹은 스웰링 제어를 위한 리튬 이차전지와 생산성이 향상된 양극 활물질의 제조방법 |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9023525B2 (en) * | 2002-03-22 | 2015-05-05 | Lg Chem, Ltd. | Cathode active material for lithium secondary battery |
| US7749657B2 (en) * | 2002-12-06 | 2010-07-06 | Jfe Mineral Company Ltd. | Positive electrode material for lithium secondary battery, method for producing the same, and lithium secondary battery |
| US7018607B2 (en) * | 2003-06-25 | 2006-03-28 | General Motors Corporation | Cathode material for lithium battery |
| KR100727332B1 (ko) * | 2003-09-26 | 2007-06-12 | 미쓰비시 가가꾸 가부시키가이샤 | 리튬 2차 전지의 포지티브 전극 재료용 리튬 복합 산화물입자, 및 이를 이용한 리튬 2차 전지용 포지티브 전극 및리튬 2차 전지 |
| JP5290337B2 (ja) * | 2011-02-24 | 2013-09-18 | 国立大学法人信州大学 | ガーネット型固体電解質、当該ガーネット型固体電解質を含む二次電池、及び当該ガーネット型固体電解質の製造方法 |
| CN103050684B (zh) * | 2011-10-14 | 2016-05-04 | 河南科隆集团有限公司 | 一种锂离子电池正极材料及其制备方法 |
| KR101666879B1 (ko) * | 2012-08-14 | 2016-10-17 | 삼성에스디아이 주식회사 | 리튬 이차 전지용 양극 활물질, 리튬 이차 전지용 양극 활물질의 제조 방법 및 상기 양극 활물질을 포함하는 리튬 이차 전지 |
| CN103969148B (zh) * | 2014-05-19 | 2016-03-30 | 西南科技大学 | 锂离子电池用碳材料种类稳定性的检测方法 |
| KR102213174B1 (ko) * | 2017-10-12 | 2021-02-05 | 주식회사 엘지화학 | 리튬 이차전지용 양극 활물질, 이의 제조방법, 이를 포함하는 리튬 이차전지용 양극 및 리튬 이차전지 |
| KR102468695B1 (ko) * | 2017-11-30 | 2022-11-21 | 주식회사 엘지에너지솔루션 | 전지셀의 활성화 방법 및 활성화 장치 |
| CN114342139B (zh) | 2019-09-09 | 2024-08-13 | 松下控股株式会社 | 非水电解质二次电池 |
| CN114514635A (zh) | 2019-09-27 | 2022-05-17 | 松下知识产权经营株式会社 | 非水电解质二次电池用正极活性物质和非水电解质二次电池 |
| US12334555B2 (en) | 2019-11-19 | 2025-06-17 | Panasonic Intellectual Property Management Co., Ltd. | Non-aqueous electrolyte secondary battery |
| EP4239743A4 (en) * | 2020-10-30 | 2025-04-23 | Panasonic Intellectual Property Management Co., Ltd. | SECONDARY BATTERY WITH NON-AQUEOUS ELECTROLYTE |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5631105A (en) | 1995-05-26 | 1997-05-20 | Matsushita Electric Industrial Co., Ltd. | Non-aqueous electrolyte lithium secondary battery |
| TW363940B (en) * | 1996-08-12 | 1999-07-11 | Toda Kogyo Corp | A lithium-nickle-cobalt compound oxide, process thereof and anode active substance for storage battery |
| US6749648B1 (en) * | 2000-06-19 | 2004-06-15 | Nanagram Corporation | Lithium metal oxides |
| JP3524762B2 (ja) * | 1998-03-19 | 2004-05-10 | 三洋電機株式会社 | リチウム二次電池 |
| JP3142522B2 (ja) * | 1998-07-13 | 2001-03-07 | 日本碍子株式会社 | リチウム二次電池 |
| KR100300334B1 (ko) * | 1999-06-17 | 2001-11-01 | 김순택 | 리튬 이차 전지용 양극 활물질 및 그의 제조 방법 |
| US6350543B2 (en) * | 1999-12-29 | 2002-02-26 | Kimberly-Clark Worldwide, Inc. | Manganese-rich quaternary metal oxide materials as cathodes for lithium-ion and lithium-ion polymer batteries |
-
2002
- 2002-06-04 CA CA002388936A patent/CA2388936C/en not_active Expired - Lifetime
- 2002-06-05 KR KR1020020031686A patent/KR100734197B1/ko not_active Expired - Lifetime
- 2002-06-07 TW TW091112430A patent/TW571456B/zh not_active IP Right Cessation
- 2002-06-07 CN CNB021262691A patent/CN100539265C/zh not_active Expired - Lifetime
- 2002-06-07 EP EP02012726A patent/EP1265300B1/en not_active Expired - Lifetime
- 2002-06-07 US US10/165,302 patent/US7510804B2/en not_active Expired - Lifetime
- 2002-06-07 DE DE60237659T patent/DE60237659D1/de not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013109038A1 (ko) * | 2012-01-17 | 2013-07-25 | 주식회사 엘지화학 | 양극 활물질 및 이를 포함하고 불순물 혹은 스웰링 제어를 위한 리튬 이차전지와 생산성이 향상된 양극 활물질의 제조방법 |
| US10096831B2 (en) | 2012-01-17 | 2018-10-09 | Lg Chem, Ltd. | Cathode active material and lithium secondary battery for controlling impurity or swelling including the same and method of preparing cathode active material with enhanced productivity |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2388936C (en) | 2006-07-18 |
| TW571456B (en) | 2004-01-11 |
| EP1265300A2 (en) | 2002-12-11 |
| CN1391297A (zh) | 2003-01-15 |
| US7510804B2 (en) | 2009-03-31 |
| DE60237659D1 (de) | 2010-10-28 |
| KR100734197B1 (ko) | 2007-07-02 |
| EP1265300B1 (en) | 2010-09-15 |
| US20030031930A1 (en) | 2003-02-13 |
| EP1265300A3 (en) | 2004-01-28 |
| CA2388936A1 (en) | 2002-12-07 |
| CN100539265C (zh) | 2009-09-09 |
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