KR20030047734A - 리튬 코발트계 복합 산화물, 그의 제조 방법, 리튬 이차전지 정극 활성 물질 및 리튬 이차 전지 - Google Patents
리튬 코발트계 복합 산화물, 그의 제조 방법, 리튬 이차전지 정극 활성 물질 및 리튬 이차 전지 Download PDFInfo
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- KR20030047734A KR20030047734A KR1020020071888A KR20020071888A KR20030047734A KR 20030047734 A KR20030047734 A KR 20030047734A KR 1020020071888 A KR1020020071888 A KR 1020020071888A KR 20020071888 A KR20020071888 A KR 20020071888A KR 20030047734 A KR20030047734 A KR 20030047734A
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- lithium
- composite oxide
- based composite
- lithium cobalt
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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
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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
- 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
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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
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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
- H01M4/1315—Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx containing halogen atoms, e.g. 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
- 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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- 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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- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
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- Battery Electrode And Active Subsutance (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Secondary Cells (AREA)
Abstract
Description
Claims (7)
- F 원자를 0.025 내지 2.5 중량% 함유하는 리튬 코발트계 복합 산화물로서, 상기 리튬 코발트계 복합 산화물의 입자 표면을 XPS 분석 (X선 광전자 분광 분석)했을 때 F 원자에 기인하는 피크 강도가 최대가 되는 에너지의 위치가 685 eV 근방이며, 또한 상기 리튬 코발트계 복합 산화물의 입자 내부에 존재하는 F 원자의 양이 리튬 코발트계 복합 산화물 입자 중에 함유된 F 원자 전체량의 10 내지 30 중량%인 것을 특징으로 하는 리튬 코발트계 복합 산화물.
- 제1항에 있어서, 평균 입경이 1 내지 20 ㎛의 범위인 리튬 코발트계 복합 산화물.
- 제1항 또는 제2항에 있어서, BET 비표면적이 0.1 내지 2 m2/g의 범위인 리튬 코발트계 복합 산화물.
- 리튬 화합물, 코발트 화합물 및 불소 화합물을 혼합하여 소성하는 F 원자를 함유하는 리튬 코발트계 복합 산화물의 제조 방법에 있어서, 평균 입경이 1O ㎛ 이하의 불소 화합물을 사용하여 코발트 화합물, 리튬 화합물 및 불소 화합물을 Li 원자에 대한 몰비로 Co 원자 0.90 내지 l.10, F 원자 O.001 내지 0.15로 혼합하고,800 내지 1100 ℃의 온도로 소성하는 것을 특징으로 하는 리튬 코발트계 복합 산화물의 제조 방법.
- 제4항에 있어서, 상기 불소 화합물이 LiF 및 MgF2로부터 선택되는 것인 리튬 코발트계 복합 산화물의 제조 방법.
- 제1항 내지 제3항 중 어느 한 항에 기재된 리튬 코발트계 복합 산화물을 포함하는 것을 특징으로 하는 리튬 이차 전지 정극 활성 물질.
- 제6항에 기재된 리튬 이차 전지 정극 활성 물질을 사용하는 것을 특징으로 하는 리튬 이차 전지.
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JP2001353911 | 2001-11-20 | ||
JPJP-P-2001-00353911 | 2001-11-20 | ||
JP2002312924A JP3959333B2 (ja) | 2001-11-20 | 2002-10-28 | リチウムコバルト系複合酸化物、その製造方法、リチウム二次電池正極活物質及びリチウム二次電池 |
JPJP-P-2002-00312924 | 2002-10-28 |
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KR20030047734A true KR20030047734A (ko) | 2003-06-18 |
KR100854241B1 KR100854241B1 (ko) | 2008-08-25 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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US11094927B2 (en) | 2016-10-12 | 2021-08-17 | Semiconductor Energy Laboratory Co., Ltd. | Positive electrode active material particle and manufacturing method of positive electrode active material particle |
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JP4111806B2 (ja) * | 2001-11-30 | 2008-07-02 | 三洋電機株式会社 | 非水電解質二次電池及びその製造方法 |
JP4193481B2 (ja) * | 2002-12-10 | 2008-12-10 | ソニー株式会社 | 正極活物質及びその製造方法、並びに非水電解質二次電池 |
JP4271488B2 (ja) * | 2003-05-19 | 2009-06-03 | 日本化学工業株式会社 | リチウムコバルト系複合酸化物、その製造方法、リチウム二次電池正極活物質及びリチウム二次電池 |
JP2005225734A (ja) * | 2004-02-16 | 2005-08-25 | Nippon Chem Ind Co Ltd | フッ素含有リチウムコバルト系複合酸化物及びその製造方法 |
JP4797332B2 (ja) * | 2004-03-24 | 2011-10-19 | 三菱化学株式会社 | リチウム二次電池正極活物質用リチウム遷移金属複合酸化物粉体、リチウム二次電池正極及びリチウム二次電池 |
US8137844B2 (en) | 2006-11-17 | 2012-03-20 | Nippon Chemical Industrial Co., Ltd. | Cathode active material for lithium rechargeable battery, manufacturing method thereof and lithium rechargeable battery |
JP5172231B2 (ja) | 2007-07-20 | 2013-03-27 | 日本化学工業株式会社 | リチウム二次電池用正極活物質、その製造方法及びリチウム二次電池 |
JP4715830B2 (ja) | 2007-10-19 | 2011-07-06 | ソニー株式会社 | 正極活物質、正極および非水電解質二次電池 |
JP5526636B2 (ja) | 2009-07-24 | 2014-06-18 | ソニー株式会社 | 非水電解質二次電池の正極活物質、非水電解質二次電池の正極および非水電解質二次電池 |
US8609283B2 (en) | 2009-09-09 | 2013-12-17 | Sony Corporation | Positive electrode active material, positive electrode, nonaqueous electrolyte cell, and method of preparing positive electrode active material |
US10559825B2 (en) | 2014-12-25 | 2020-02-11 | Sanyo Electric Co., Ltd. | Positive electrode active material and nonaqueous electrolyte secondary battery |
DE202017007629U1 (de) * | 2016-07-05 | 2023-09-29 | Semiconductor Energy Laboratory Co., Ltd. | Positivelektrodenaktivmaterial und Sekundärbatterie |
JP7177769B2 (ja) | 2017-05-12 | 2022-11-24 | 株式会社半導体エネルギー研究所 | 正極活物質粒子及びリチウムイオン二次電池 |
CN115995596A (zh) | 2017-05-19 | 2023-04-21 | 株式会社半导体能源研究所 | 锂离子二次电池 |
US20200176770A1 (en) | 2017-06-26 | 2020-06-04 | Semiconductor Energy Laboratory Co., Ltd. | Method for manufacturing positive electrode active material, and secondary battery |
KR20230009528A (ko) * | 2018-08-03 | 2023-01-17 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 양극 활물질 및 양극 활물질의 제작 방법 |
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US5283808A (en) * | 1992-07-01 | 1994-02-01 | Diasonics, Inc. | X-ray device having a co-axial laser aiming system in an opposed configuration |
US5689545A (en) * | 1995-12-15 | 1997-11-18 | U.S. Philips Corporation | Laser line projecting tool for leveling and alignment of X-ray equipment, and method of use |
EP0827223B1 (en) * | 1996-08-29 | 1999-11-03 | Murata Manufacturing Co., Ltd. | Lithium secondary battery |
JP2001223008A (ja) * | 1999-12-02 | 2001-08-17 | Honjo Chemical Corp | リチウムイオン二次電池、そのための正極活物質及びその製造方法 |
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Cited By (1)
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US11094927B2 (en) | 2016-10-12 | 2021-08-17 | Semiconductor Energy Laboratory Co., Ltd. | Positive electrode active material particle and manufacturing method of positive electrode active material particle |
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KR100854241B1 (ko) | 2008-08-25 |
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