WO2012044055A2 - 리튬 이차 전지용 양극 활물질, 이의 제조 방법 및 이를 포함하는 리튬 이차 전지 - Google Patents
리튬 이차 전지용 양극 활물질, 이의 제조 방법 및 이를 포함하는 리튬 이차 전지 Download PDFInfo
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- WO2012044055A2 WO2012044055A2 PCT/KR2011/007134 KR2011007134W WO2012044055A2 WO 2012044055 A2 WO2012044055 A2 WO 2012044055A2 KR 2011007134 W KR2011007134 W KR 2011007134W WO 2012044055 A2 WO2012044055 A2 WO 2012044055A2
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- active material
- lithium secondary
- positive electrode
- electrode active
- secondary battery
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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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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D1/00—Oxides or hydroxides of sodium, potassium or alkali metals in general
- C01D1/02—Oxides
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- 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
- C01G45/1228—Manganates or manganites with a manganese oxidation state of Mn(III), Mn(IV) or mixtures thereof of the type [MnO2]n-, e.g. LiMnO2, Li[MxMn1-x]O2
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/02—Oxides; Hydroxides
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G53/00—Compounds of nickel
- C01G53/04—Oxides; 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
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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
- 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
- H01M4/50—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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- 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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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Definitions
- the present invention relates to a positive electrode active material for a lithium secondary battery, a method for manufacturing the same, and a lithium secondary battery including the same, and more particularly, to a positive electrode active material for a lithium secondary battery exhibiting improved electrochemical properties, a method for manufacturing the same, and a lithium secondary battery including the same. It is about.
- LiCoO 2 , LiMn 2 O 4 , LiNi x Co y Mn z O 2, and the like were mainly used as positive electrode active materials of a lithium secondary battery.
- HEV, PHEV, EV medium and large-sized batteries
- the safety issues of the battery are emerging.
- the positive electrode active material that is currently commercialized, there is a problem such as high price or safety, and research on a new positive electrode active material is being conducted.
- the present invention is to provide a high capacity positive electrode active material.
- the present invention is to provide a method for producing the high capacity positive electrode active material.
- Another embodiment of the present invention to provide a lithium secondary battery comprising the positive electrode active material.
- a first embodiment of the present invention relates to a high capacity positive electrode active material for a lithium secondary battery including a composite oxide of Formula 1 and a method of manufacturing the same.
- a second embodiment of the present invention relates to a high capacity positive electrode active material for a lithium secondary battery including a composite oxide of Formula 2 or Formula 3 and a method of manufacturing the same.
- the high capacity positive electrode active material of the present invention is the high capacity positive electrode active material of the present invention.
- a nickel mixed material, iron raw material and manganese raw material are added to the alcohol to prepare a metal mixed solution,
- the hydrate prepared by the reaction was dried in a vacuum oven,
- the lithium raw material After mixing the lithium raw material to the hydrate, it can be prepared including a step of heat treatment in an inert atmosphere.
- the cathode active material of the present invention has a simple synthesis method and can provide a high capacity cathode active material.
- the positive electrode active material according to the embodiment of the present invention includes a composite oxide represented by the following Chemical Formula 1, and has a mean particle size of 5 to 15 ⁇ m, and includes secondary particles. At this time, the particles include spherical, elliptical, plate-shaped, but is not limited thereto.
- the cathode active material of the present invention includes a composite oxide represented by the following Chemical Formula 2 or Chemical Formula 3, and has an average particle diameter of 5 to 15 ⁇ m, and includes secondary particles.
- the particles include spherical, elliptical, plate-shaped, but is not limited thereto.
- the average particle size of the particles in the positive electrode active material is preferably 5 to 15 ⁇ m, when the average particle diameter is less than 5 ⁇ m has a disadvantage in that the tap density of the active material falls, when the average particle diameter exceeds 15 ⁇ m the active material particle distribution is not uniform Therefore, if the tap density decreases and the particle size is too large, the diffusion length of the Li cation is long, and thus there is a problem in that the electrochemical characteristics are lowered.
- the composite oxide preferably has pores having a size of 50 nm to 150 nm in the particles, and may use a carbon raw material to form the pores. If the pore size is less than 50 nm, the amount of electrolyte can be impregnated in the particles is not enough to affect the electrochemical properties. If the pore size is 150 nm or more, the internal pore is too large, so that the electrolyte impregnation is good, but the strength of the particles is low, so that the spherical size of the electrode There is a problem that the particles are broken.
- the carbon raw material may be used at least one selected from the group consisting of sucrose, polyvinyl alcohol, polyethylene glycol, oxalic acid, resorcinol, citric acid and cellulose acetate, but is not limited thereto.
- the manufacturing method of the high capacity positive electrode active material for lithium secondary batteries of this invention is the same as the manufacturing method of the high capacity positive electrode active material for lithium secondary batteries of this invention.
- the nickel raw material, iron raw material and manganese raw material are added to the solvent to prepare a dispersion mixture.
- the mixing ratio of the lithium raw material, nickel raw material, iron raw material and manganese raw material is adjusted so that Li: Ni: F: Mn is 1 ⁇ 1.8: 0.01 ⁇ 0.13: 0.01 ⁇ 0.13: 0.6 ⁇ 1 molar ratio. .
- the nickel iron manganese raw material is acetate, nitrate, sulfate, carbonate, citrate, phthalate, perchlorate, acetylacetonate ), Acrylate, formate, oxalate, halide, oxyhalide, boride, oxide, sulfide, peroxide ( peroxide, alkoxide, hydroxide, ammonium, acetylacetone, hydrates thereof, and combinations thereof.
- the carbon raw material may be further added in order to have a structure of micropores or mesopores after sintering when preparing the mixed solution.
- the carbon raw material may be used at least one selected from the group consisting of sucrose, polyvinyl alcohol, polyethylene glycol, oxalic acid, resorcinol, citric acid and cellulose acetate, but is not limited thereto.
- the carbon raw material is preferably added in a 0.1 to 0.5 mol% relative to the total metal content can form a pore of 50nm ⁇ 150nm size.
- the solvent may be distilled water, alcohol or the like.
- a reactor equipped with two reverse wing type rotary blades for uniform mixing up and down and the output of the rotating motor is preferably 2.4 kW or more and the rotation speed is 1000 to 2000 rpm.
- the pH is adjusted to 5 to 12 to react. If the pH is less than 5, Ni and Mn do not form a precipitate. If the pH exceeds 12, Fe is dissolved and no precipitate is formed, so that the final compound is not formed.
- the average temperature is preferably maintained at 40 to 60 ° C., and the hydrate prepared after the reaction is dried at 50 to 70 ° C. for 10 to 30 hours so that the iron (Fe) element is not oxidized in a vacuum oven.
- the lithium raw material is added to the composite hydrate of nickel, iron, and manganese thus obtained.
- lithium raw material lithium fluoride, lithium carbonate, lithium hydroxide, lithium nitrate, lithium acetate, or a mixture thereof may be used.
- the prepared primary particles may have crystallinity and may be represented by the following Chemical Formula 1, and more specifically, may be represented by Chemical Formula 2 or Chemical Formula 3.
- the method for preparing a positive electrode active material according to the embodiment of the present invention is a method for preparing a dispersion mixture, compared to hydrothermal synthesis method, precipitation method, sol-gel method, and the like, which is easier to prepare, and can synthesize a composite oxide having a uniform size.
- Nickel raw materials, iron raw materials, lithium raw materials and manganese raw materials can be uniformly mixed, and spherical precursors can be produced.
- the positive electrode active material according to the embodiment of the present invention may be usefully used for the positive electrode of a lithium secondary battery.
- the lithium secondary battery includes a negative electrode and a nonaqueous electrolyte including a negative electrode active material together with a positive electrode.
- the positive electrode is prepared by mixing a positive electrode active material, a conductive material, a binder, and a solvent according to an embodiment of the present invention to prepare a positive electrode active material composition, and then directly coating and drying the aluminum current collector.
- the cathode active material composition may be cast on a separate support, and then the film obtained by peeling from the support may be manufactured by laminating on an aluminum current collector.
- the conductive material may be carbon black, graphite, metal powder, etc.
- the binder may be vinylidene fluoride / hexafluoropropylene copolymer, polyvinylidene fluoride, polyacrylonitrile, polymethyl methacrylate, polytetrafluoro Any one or a mixture of two or more selected from rethylene may be used.
- the solvent N-methylpyrrolidone, acetone, tetrahydrofuran, decane and the like can be used. In this case, the contents of the positive electrode active material, the conductive material, the binder, and the solvent are used at levels commonly used in a lithium secondary battery.
- the negative electrode is mixed with a negative electrode active material, a binder, and a solvent to prepare a negative electrode active material composition, which is directly coated on a copper current collector or cast on a separate support and peeled from the support to a copper current collector It is prepared by lamination.
- the negative electrode active material composition may further contain a conductive material if necessary.
- the negative electrode active material a material capable of intercalating / deintercalating lithium is used.
- a material capable of intercalating / deintercalating lithium is used.
- lithium metal, lithium alloy, lithium titanate, silicon, tin alloy, coke, artificial graphite, natural graphite, organic polymer Compound burners, carbon fibers and the like are used.
- a conductive material, a binder, and a solvent are used similarly to the case of the positive electrode mentioned above.
- the separator may be used as long as it is commonly used in lithium secondary batteries.
- polyethylene, polypropylene, polyvinylidene fluoride or two or more multilayer films thereof may be used, and a polyethylene / polypropylene two-layer separator, It goes without saying that a mixed multilayer film such as polyethylene / polypropylene / polyethylene three-layer separator, polypropylene / polyethylene / polypropylene three-layer separator and the like can be used.
- a non-aqueous electrolyte or a known solid electrolyte may be used, and a lithium salt is used.
- the solvent of the said non-aqueous electrolyte is not specifically limited, Cyclic carbonate, such as ethylene carbonate, propylene carbonate, butylene carbonate, vinylene carbonate; Chain carbonates such as dimethyl carbonate, methyl ethyl carbonate and diethyl carbonate; Esters such as methyl acetate, ethyl acetate, propyl acetate, methyl propionate, ethyl propionate and ⁇ -butyrolactone; Ethers such as 1,2-dimethoxyethane, 1,2-diethoxyethane, tetrahydrofuran, 1,2-dioxane and 2-methyltetrahydrofuran; Nitriles such as acetonitrile; Or amides such as dimethylformamide can be used. These can be used individually or in combination of two or more. In particular, a mixed solvent of a cyclic carbonate and a linear carbonate can be preferably used.
- a gel polymer electrolyte in which an electrolyte solution is impregnated with a polymer electrolyte such as polyethylene oxide or polyacrylonitrile, or an inorganic solid electrolyte such as LiI or Li 3 N can be used.
- a polymer electrolyte such as polyethylene oxide or polyacrylonitrile
- an inorganic solid electrolyte such as LiI or Li 3 N
- the lithium salt is LiPF 6 , LiBF 4 , LiSbF 6 , LiAsF 6 , LiClO 4 , LiCF 3 SO 3 , Li (CF 3 SO 2 ) 2 N, LiC 4 F 9 SO 3 , LiSbF 6 , LiAlO 4 , LiAlCl 4 , One selected from the group consisting of LiCl and LiI is possible.
- a production method is easy, mass production is possible, and a cathode active material which is a composite oxide of uniform size can be obtained.
- a cathode active material having a high capacity, a high energy density, and excellent in thermal safety can be obtained.
- the cathode as a 2032 coin type cell was prepared a half cell using lithium metal, and measured by 0.1C at a charge and discharge voltage of 2.0V-4.6V.
- sucrose 0.5 mol% was added to a mixed solution of nickel sulfate, iron sulfate, and manganese sulfate to prepare a metal solution.
- the metal solution prepared above was added to a 4 L reactor at 300 ml / 1 hr, NH 4 OH was added as a chelating agent, and the pH was adjusted to NaOH. At this time, the reaction temperature was 50 ° C. The total synthesis time was 24 hours, and the final synthesized precursor was washed with distilled water and dried for 20 hours at 60 ° C. in a vacuum oven to prevent oxidation of Fe.
- LiOH was added to the dried Ni-Fe-Mn (OH) 2 precursor as a lithium raw material in a molar ratio as shown in Table 1, followed by mixing. After mixing, firing was carried out at 800 ° C. for 15 hours under an inert atmosphere (N 2 ) to prepare a cathode active material having an average particle size of 10 ⁇ m.
- a positive electrode active material having an average particle size of 10 ⁇ m was prepared under the same conditions as in Example 1 except that the pH was adjusted at the time of synthesis and the molar ratio of the raw material was adjusted as shown in Table 1 below.
- a positive electrode active material having an average particle size of 10 ⁇ m was prepared under the same conditions as in Example 1, except that pH was adjusted to 4 when synthesized as shown in Table 1 below.
- a positive electrode active material having an average particle size of 10 ⁇ m was prepared under the same conditions as in Example 1, except that pH was adjusted to 13 when synthesized as shown in Table 1 below.
- a positive electrode active material having an average particle size of 10 ⁇ m was prepared under the same conditions as in Example 1, except that the molar ratio of the raw material was used as shown in Table 1 below.
- a positive electrode active material having an average particle size of 10 ⁇ m was prepared under the same conditions as in Example 1, except that the molar ratio of the raw material was used as shown in Table 1 below.
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Abstract
Description
Claims (12)
- 하기 화학식1의 복합산화물을 포함하는 리튬 이차 전지용 고용량 양극 활물질.[화학식 1]LixNiyFezMnwO2(상기 식에서, 1≤x≤1.8, 0<y≤0.13, 0<z≤0.13, 0.6≤w≤1이다.)
- 제1항에 있어서,상기 화학식 1은 하기 화학식 2 또는 화학식 3인 리튬 이차 전지용 고용량 양극 활물질.[화학식 2]Li1.2Ni0.13Fe0.13Mn0.74O2[화학식 3]Li1.2Ni0.104Fe0.104Mn0.592O2
- 제 1항에 있어서,상기 복합산화물은 입자 내부에 50 ~ 150nm 크기의 포어를 갖는 것인 리튬 이차 전지용 고용량 양극 활물질.
- 제 1항에 있어서,상기 복합산화물의 평균입경은 5 ~ 15㎛인 리튬 이차 전지용 고용량 양극 활물질.
- 제 1항 내지 제 4항에서 선택되는 어느 한 항의 리튬 이차 전지용 고용량 양극 활물질을 포함하는 양극;음극 활물질을 포함하는 음극; 및비수 전해액을 포함하는 리튬 이차 전지.
- 니켈 원료 물질, 철 원료물질 및 망간 원료 물질을 용매에 첨가하여 금속 혼합액을 제조하고,상기 금속 혼합액의 pH를 5 ~ 12로 조절하여 반응하고,상기 반응에 의해 제조된 수화물을 진공오븐에서 건조하고,상기 수화물에 리튬 원료 물질을 혼합한 후, 비활성분위기에서 열처리하는 공정을 포함하는 리튬 이차 전지용 고용량 양극 활물질의 제조 방법.
- 제6항에 있어서,상기 수화물의 건조는 50 ~ 70℃에서 10 ~ 30시간 동안 실시하는 것인 리튬 이차 전지용 고용량 양극 활물질의 제조 방법.
- 제 6항에 있어서,상기 금속 혼합액 제조 시 용매는 증류수, 알코올 또는 이들의 혼합물인 리튬 이차 전지용 양극 활물질의 제조 방법.
- 제 6항에 있어서,상기 금속 혼합액 제조 시 탄소 원료 물질을 전체 금속 함량 대비 0.1 ~ 0.5몰% 더 첨가하는 것인 리튬 이차 전지용 양극 활물질의 제조 방법.
- 제 9항에 있어서,상기 탄소 원료 물질은 수크로오스, 폴리비닐알코올, 폴리에틸렌글리콜, 옥살산, 레조르시놀, 시트르산 및 셀룰로오스 아세테이트로 이루어진 군에서 선택된 1종 이상인 리튬 이차 전지용 양극 활물질의 제조 방법.
- 제6항에 있어서,상기 리튬 원료 물질, 니켈 원료 물질, 철 원료물질 및 망간 원료 물질의 혼합비율은 Li : Ni : F : Mn가 1 ~ 1.8 : 0.01 ~ 0.13 : 0.01 ~ 0.13 : 0.6 ~ 1 몰비가 되도록 조절하는 것인 리튬 이차 전지용 양극 활물질의 제조 방법.
- 제6항에 있어서,상기 비활성 분위기 열처리는 500 내지 800℃에서 실시하는 것인 리튬 이차 전지용 양극 활물질의 제조 방법.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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CN201180047401.7A CN103155241B (zh) | 2010-09-30 | 2011-09-28 | 锂二次电池用正极活性物质、其制造方法及包含它的锂二次电池 |
EP11829561.7A EP2624343B1 (en) | 2010-09-30 | 2011-09-28 | Positive electrode active material for a lithium secondary battery, method for preparing same, and lithium secondary battery comprising same |
US13/876,679 US20130316241A1 (en) | 2010-09-30 | 2011-09-28 | Positive Electrode Active Material for a Lithium Secondary Battery, Method for Preparing Same, and Lithium Secondary Battery Comprising Same |
JP2013530099A JP5646761B2 (ja) | 2010-09-30 | 2011-09-28 | リチウム二次電池用の正極活物質、その製造方法およびこれを含むリチウム二次電池 |
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KR20100095294 | 2010-09-30 | ||
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KR10-2011-0097354 | 2011-09-27 | ||
KR1020110097354A KR101432628B1 (ko) | 2010-09-30 | 2011-09-27 | 리튬 이차 전지용 양극 활물질, 이의 제조 방법 및 이를 포함하는 리튬 이차 전지 |
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WO2012044055A2 true WO2012044055A2 (ko) | 2012-04-05 |
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US (1) | US20130316241A1 (ko) |
EP (1) | EP2624343B1 (ko) |
JP (2) | JP5646761B2 (ko) |
KR (1) | KR101432628B1 (ko) |
CN (1) | CN103155241B (ko) |
WO (1) | WO2012044055A2 (ko) |
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- 2011-09-28 WO PCT/KR2011/007134 patent/WO2012044055A2/ko active Application Filing
- 2011-09-28 JP JP2013530099A patent/JP5646761B2/ja active Active
- 2011-09-28 EP EP11829561.7A patent/EP2624343B1/en active Active
- 2011-09-28 CN CN201180047401.7A patent/CN103155241B/zh active Active
- 2011-09-28 US US13/876,679 patent/US20130316241A1/en not_active Abandoned
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2014
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Also Published As
Publication number | Publication date |
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JP2013541814A (ja) | 2013-11-14 |
US20130316241A1 (en) | 2013-11-28 |
KR20120033995A (ko) | 2012-04-09 |
JP5646761B2 (ja) | 2014-12-24 |
EP2624343A2 (en) | 2013-08-07 |
EP2624343B1 (en) | 2018-04-11 |
EP2624343A4 (en) | 2014-05-07 |
CN103155241B (zh) | 2015-11-25 |
KR101432628B1 (ko) | 2014-08-22 |
CN103155241A (zh) | 2013-06-12 |
WO2012044055A3 (ko) | 2012-06-07 |
JP2014179333A (ja) | 2014-09-25 |
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