KR100328879B1 - 리튬이차전지 - Google Patents
리튬이차전지 Download PDFInfo
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- KR100328879B1 KR100328879B1 KR1019970033010A KR19970033010A KR100328879B1 KR 100328879 B1 KR100328879 B1 KR 100328879B1 KR 1019970033010 A KR1019970033010 A KR 1019970033010A KR 19970033010 A KR19970033010 A KR 19970033010A KR 100328879 B1 KR100328879 B1 KR 100328879B1
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- lithium
- composite oxide
- secondary battery
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- H—ELECTRICITY
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- 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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- C01G45/00—Compounds of manganese
- C01G45/12—Manganates manganites or permanganates
- C01G45/1221—Manganates or manganites with a manganese oxidation state of Mn(III), Mn(IV) or mixtures thereof
- C01G45/1242—Manganates or manganites with a manganese oxidation state of Mn(III), Mn(IV) or mixtures thereof of the type [Mn2O4]-, e.g. LiMn2O4, Li[MxMn2-x]O4
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- C01G49/00—Compounds of iron
- C01G49/0018—Mixed oxides or hydroxides
- C01G49/0072—Mixed oxides or hydroxides containing manganese
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- C01G51/00—Compounds of cobalt
- C01G51/40—Cobaltates
- C01G51/42—Cobaltates containing alkali metals, e.g. LiCoO2
- C01G51/44—Cobaltates containing alkali metals, e.g. LiCoO2 containing manganese
- C01G51/54—Cobaltates containing alkali metals, e.g. LiCoO2 containing manganese of the type [Mn2O4]-, e.g. Li(CoxMn2-x)04, Li(MyCoxMn2-x-y)O4
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- C01G53/00—Compounds of nickel
- C01G53/40—Nickelates
- C01G53/42—Nickelates containing alkali metals, e.g. LiNiO2
- C01G53/44—Nickelates containing alkali metals, e.g. LiNiO2 containing manganese
- C01G53/54—Nickelates containing alkali metals, e.g. LiNiO2 containing manganese of the type [Mn2O4]-, e.g. Li(NixMn2-x)O4, Li(MyNixMn2-x-y)O4
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- C01P2002/00—Crystal-structural characteristics
- C01P2002/30—Three-dimensional structures
- C01P2002/32—Three-dimensional structures spinel-type (AB2O4)
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- C01P2002/52—Solid solutions containing elements as dopants
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- C01P2002/50—Solid solutions
- C01P2002/52—Solid solutions containing elements as dopants
- C01P2002/54—Solid solutions containing elements as dopants one element only
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- C01P2004/00—Particle morphology
- C01P2004/01—Particle morphology depicted by an image
- C01P2004/03—Particle morphology depicted by an image obtained by SEM
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- C01P2004/00—Particle morphology
- C01P2004/30—Particle morphology extending in three dimensions
- C01P2004/32—Spheres
- C01P2004/34—Spheres hollow
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- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/51—Particles with a specific particle size distribution
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- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
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- C—CHEMISTRY; METALLURGY
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- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
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- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/12—Surface area
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- C01P2006/40—Electric properties
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- 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
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- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M2004/021—Physical characteristics, e.g. porosity, surface area
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- 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
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- 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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- 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
Abstract
Description
시료 번호 |
분무 온도 (℃) |
어닐링 온도 (℃) |
입자 형상 |
평균 입자크기(㎛) |
비표면적 (㎡/g) |
XRD 분석 |
성형성 결합재 첨가량(중량부) |
||
5 | 10 | 20 | |||||||
11 | 800 | 800 | 중공 구형 |
3.2 | 4.3 | LM | ○ | ○ | ○ |
12 | 800 | 600 | 중공 구형 |
1.3 | 9.8 | LM | ○ | ○ | ○ |
13 | 600 | 800 | 중공 구형 |
4.9 | 2.1 | LM | ○ | ○ | ○ |
★14 | 800 | 300 | 중공 구형 |
1.1 | 25.1 | LM | P | ○ | ○ |
★15 | 800 | 900 | 중공 구형 |
7.5 | 1.1 | LM | ○ | ○ | ○ |
★16 | 600(용융함침법) | 괴상 | 1.3 | 5.0 | LM | × | P | ○ | |
★17 | 900(고체상법) | 괴상 | 1.0 | 7.8 | LM | × | P | ○ |
시료 번호 |
Li(Mn2-xLix)O4 에서의 x |
입자 형상 |
평균 입자크기 (㎛) |
비표면적 (㎡/g) |
XRD 분석 |
21 | 0 | 중공 구형 |
3.7 | 4.1 | LM |
22 | 0.002 | 중공 구형 |
3.7 | 4.0 | LM |
23 | 0.005 | 중공 구형 |
3.8 | 4.0 | LM |
24 | 0.010 | 중공 구형 |
3.7 | 4.1 | LM |
25 | 0.015 | 중공 구형 |
3.8 | 3.9 | LM |
26 | 0.018 | 중공 구형 |
3.8 | 4.0 | LM |
27 | 0.050 | 중공 구형 |
3.7 | 4.1 | LM |
28 | 0.100 | 중공 구형 |
3.7 | 4.0 | LM |
시료 번호 |
방전용량(㎃h/g) | ||
초기 | 100 사이클 후 | 200 사이클 후 | |
21 | 134 | 116 | 109 |
22 | 134 | 119 | 112 |
23 | 133 | 118 | 114 |
24 | 132 | 121 | 115 |
25 | 131 | 120 | 116 |
26 | 130 | 120 | 116 |
27 | 121 | 111 | 107 |
28 | 102 | 99 | 97 |
Claims (5)
- 활성물질이 스피넬형 리튬-망간 복합 산화물인 캐소드(3)를 포함하는 리튬이차전지로서,상기한 스피넬형 리튬-망간 복합 산화물의 입자들이 일차입자를 소결시켜 얻은 중공구형의 이차입자들이고, 상기한 이차입자들의 평균입자크기가 1~5㎛이고, 비표면적이 2~10 ㎡/g임을 특징으로 하는 리튬이차전지.
- 제 1항에 있어서, 상기한 스피넬형 리튬-망간 복합 산화물이 일반식: Li(Mn2-xLix)O4(단, 0≤X≤0.1)로 표시됨을 특징으로 하는 리튬이차전지.
- 제 1항에 있어서, 상기한 스피넬형 리튬-망간 복합 산화물이 일반식: Li(Mn2-xLix)O4(단, 0<X<0.02)로 표시됨을 특징으로 하는 리튬이차전지.
- 제 1항에 있어서, 상기한 스피넬형 리튬-망간 복합 산화물이 일반식: Li(Mn2-xLix)O4(단, 0≤X≤0.1)로 표시되고, Mn이 부분적으로 Cr, Ni, Fe, Co 또는 Mg으로 치환된 것임을 특징으로 하는 리튬이차전지.
- 제 1항에 있어서, 상기한 스피넬형 리튬-망간 복합 산화물이 일반식:Li(Mn2-xLix)O4(단, 0<X<0.02)로 표시되고, Mn이 부분적으로 Cr, Ni, Fe, Co 또는 Mg으로 치환된 것임을 특징으로 하는 리튬이차전지.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8-206661 | 1996-07-16 | ||
JP20666196 | 1996-07-16 | ||
JP8248673A JP3047827B2 (ja) | 1996-07-16 | 1996-08-29 | リチウム二次電池 |
JP8-248673 | 1996-08-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR980012678A KR980012678A (ko) | 1998-04-30 |
KR100328879B1 true KR100328879B1 (ko) | 2002-06-20 |
Family
ID=26515783
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019970033010A KR100328879B1 (ko) | 1996-07-16 | 1997-07-16 | 리튬이차전지 |
Country Status (7)
Country | Link |
---|---|
US (1) | US6270924B1 (ko) |
EP (1) | EP0820113B1 (ko) |
JP (1) | JP3047827B2 (ko) |
KR (1) | KR100328879B1 (ko) |
CN (1) | CN1078749C (ko) |
CA (1) | CA2209531C (ko) |
DE (1) | DE69700091T2 (ko) |
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KR100570616B1 (ko) * | 2004-02-06 | 2006-04-12 | 삼성에스디아이 주식회사 | 리튬 이차 전지용 양극 활물질, 그의 제조 방법 및 그를포함하는 리튬 이차 전지 |
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JP5098192B2 (ja) * | 2005-06-29 | 2012-12-12 | パナソニック株式会社 | リチウム二次電池用複合粒子とその製造方法、それを用いたリチウム二次電池 |
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JP5208492B2 (ja) * | 2007-12-25 | 2013-06-12 | 花王株式会社 | 複合金属酸化物焼成体 |
JP5166850B2 (ja) * | 2007-12-25 | 2013-03-21 | 花王株式会社 | 複合金属酸化物焼成体の製造方法 |
CN101335348B (zh) * | 2008-07-18 | 2010-06-02 | 清华大学 | 锂离子电池5V级正极材料球形LiNi0.5Mn1.5O4的制备方法 |
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- 1997-07-02 CA CA002209531A patent/CA2209531C/en not_active Expired - Lifetime
- 1997-07-08 EP EP97111560A patent/EP0820113B1/en not_active Expired - Lifetime
- 1997-07-08 DE DE69700091T patent/DE69700091T2/de not_active Expired - Lifetime
- 1997-07-15 CN CN97115403A patent/CN1078749C/zh not_active Expired - Lifetime
- 1997-07-16 KR KR1019970033010A patent/KR100328879B1/ko not_active IP Right Cessation
- 1997-07-16 US US08/895,319 patent/US6270924B1/en not_active Expired - Lifetime
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WO1995034919A1 (en) * | 1994-06-10 | 1995-12-21 | Danionics A/S | A cathode material for lithium secondary batteries and a process and a precursor material for the production thereof |
WO1996012676A1 (en) * | 1994-10-19 | 1996-05-02 | Valence Technology, Inc. | Lithium manganese oxide, method of preparation and uses thereof |
Also Published As
Publication number | Publication date |
---|---|
KR980012678A (ko) | 1998-04-30 |
US6270924B1 (en) | 2001-08-07 |
JPH1083816A (ja) | 1998-03-31 |
CA2209531A1 (en) | 1998-01-16 |
EP0820113B1 (en) | 1999-01-07 |
JP3047827B2 (ja) | 2000-06-05 |
DE69700091T2 (de) | 1999-05-27 |
CA2209531C (en) | 2002-05-21 |
CN1078749C (zh) | 2002-01-30 |
DE69700091D1 (de) | 1999-02-18 |
CN1173746A (zh) | 1998-02-18 |
EP0820113A1 (en) | 1998-01-21 |
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