JP2008544468A - 無機化合物 - Google Patents
無機化合物 Download PDFInfo
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- JP2008544468A JP2008544468A JP2008518686A JP2008518686A JP2008544468A JP 2008544468 A JP2008544468 A JP 2008544468A JP 2008518686 A JP2008518686 A JP 2008518686A JP 2008518686 A JP2008518686 A JP 2008518686A JP 2008544468 A JP2008544468 A JP 2008544468A
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- 150000002484 inorganic compounds Chemical class 0.000 title 1
- 229910010272 inorganic material Inorganic materials 0.000 title 1
- 150000001875 compounds Chemical class 0.000 claims abstract description 113
- 238000004519 manufacturing process Methods 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims description 44
- 238000001816 cooling Methods 0.000 claims description 41
- 229910021450 lithium metal oxide Inorganic materials 0.000 claims description 38
- 239000002245 particle Substances 0.000 claims description 33
- 229910052744 lithium Inorganic materials 0.000 claims description 32
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 27
- 239000000126 substance Substances 0.000 claims description 26
- 239000013078 crystal Substances 0.000 claims description 21
- 238000010438 heat treatment Methods 0.000 claims description 18
- 238000000634 powder X-ray diffraction Methods 0.000 claims description 15
- 229910001416 lithium ion Inorganic materials 0.000 claims description 14
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims description 13
- 229910013716 LiNi Inorganic materials 0.000 claims description 8
- 239000011236 particulate material Substances 0.000 claims description 6
- 229910002991 LiNi0.5Co0.2Mn0.3O2 Inorganic materials 0.000 claims description 5
- 239000013618 particulate matter Substances 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 5
- 229910013825 LiNi0.33Co0.33Mn0.33O2 Inorganic materials 0.000 claims description 4
- 238000004458 analytical method Methods 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 2
- 230000000877 morphologic effect Effects 0.000 claims description 2
- 229910012511 LiNi0.475Co0.05Mn0.475O2 Inorganic materials 0.000 claims 1
- 239000011572 manganese Substances 0.000 description 56
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 38
- 239000000047 product Substances 0.000 description 38
- 239000002994 raw material Substances 0.000 description 18
- 229910052759 nickel Inorganic materials 0.000 description 16
- 229910017052 cobalt Inorganic materials 0.000 description 15
- 239000010941 cobalt Substances 0.000 description 15
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 15
- 229910012851 LiCoO 2 Inorganic materials 0.000 description 13
- 238000010304 firing Methods 0.000 description 11
- 230000000704 physical effect Effects 0.000 description 11
- 239000000463 material Substances 0.000 description 10
- 229910052748 manganese Inorganic materials 0.000 description 9
- 239000011164 primary particle Substances 0.000 description 9
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 8
- 229910015118 LiMO Inorganic materials 0.000 description 7
- 150000002697 manganese compounds Chemical class 0.000 description 6
- 229910052596 spinel Inorganic materials 0.000 description 6
- 239000011029 spinel Substances 0.000 description 6
- 230000009466 transformation Effects 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000007774 positive electrode material Substances 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 229910052723 transition metal Inorganic materials 0.000 description 4
- 150000003624 transition metals Chemical class 0.000 description 4
- 229910013733 LiCo Inorganic materials 0.000 description 3
- 229910014689 LiMnO Inorganic materials 0.000 description 3
- 229910013290 LiNiO 2 Inorganic materials 0.000 description 3
- 229910016366 Ni0.33Co0.33Mn0.33(OH)2 Inorganic materials 0.000 description 3
- 239000000470 constituent Substances 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 229910011669 LiNi0.7Co0.2Mn0.1O2 Inorganic materials 0.000 description 2
- 229910013870 LiPF 6 Inorganic materials 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 238000007600 charging Methods 0.000 description 2
- 238000004590 computer program Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 description 2
- 229910052808 lithium carbonate Inorganic materials 0.000 description 2
- 150000002736 metal compounds Chemical class 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 238000000844 transformation Methods 0.000 description 2
- 239000006245 Carbon black Super-P Substances 0.000 description 1
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 1
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 1
- 229910000733 Li alloy Inorganic materials 0.000 description 1
- 229910021314 NaFeO 2 Inorganic materials 0.000 description 1
- 229910016739 Ni0.5Co0.2Mn0.3(OH)2 Inorganic materials 0.000 description 1
- 240000007651 Rubus glaucus Species 0.000 description 1
- 235000011034 Rubus glaucus Nutrition 0.000 description 1
- 235000009122 Rubus idaeus Nutrition 0.000 description 1
- 229910001128 Sn alloy Inorganic materials 0.000 description 1
- KFDQGLPGKXUTMZ-UHFFFAOYSA-N [Mn].[Co].[Ni] Chemical compound [Mn].[Co].[Ni] KFDQGLPGKXUTMZ-UHFFFAOYSA-N 0.000 description 1
- BTFOWJRRWDOUKQ-UHFFFAOYSA-N [Si]=O.[Sn] Chemical compound [Si]=O.[Sn] BTFOWJRRWDOUKQ-UHFFFAOYSA-N 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000005260 alpha ray Effects 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000002902 bimodal effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 150000003841 chloride salts Chemical class 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010325 electrochemical charging Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 150000004673 fluoride salts Chemical class 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012886 linear function Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910003002 lithium salt Inorganic materials 0.000 description 1
- 159000000002 lithium salts Chemical class 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052754 neon Inorganic materials 0.000 description 1
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- 239000000615 nonconductor Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000012798 spherical particle Substances 0.000 description 1
- 238000001694 spray drying Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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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
-
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- 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
- C01G51/50—Cobaltates containing alkali metals, e.g. LiCoO2 containing manganese of the type [MnO2]n-, e.g. Li(CoxMn1-x)O2, Li(MyCoxMn1-x-y)O2
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- 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
- C01G53/50—Nickelates containing alkali metals, e.g. LiNiO2 containing manganese of the type [MnO2]n-, e.g. Li(NixMn1-x)O2, Li(MyNixMn1-x-y)O2
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q99/00—Subject matter not provided for in other groups of this subclass
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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
-
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/50—Solid solutions
- C01P2002/52—Solid solutions containing elements as dopants
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- 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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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
- C01P2002/72—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by d-values or two theta-values, e.g. as X-ray diagram
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
- C01P2002/74—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by peak-intensities or a ratio thereof only
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/50—Agglomerated particles
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/40—Electric properties
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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)
- Inorganic Chemistry (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- General Business, Economics & Management (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Business, Economics & Management (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
Abstract
Description
タップ密度1.74g/cm3の粉末Ni0.33Co0.33Mn0.33(OH)23150gと粒径57μm未満の粉末炭酸リチウム(LiCO3)1362gとを乾燥混合した。得られた混合物を5等分し、300L/時のガス流量で、1000mbаrの圧力下、860℃で20時間焼成した。
市販のLiNi0.5Co0.2Mn0.3O2を860℃で1時間焼成し、焼成炉中の焼成物を加熱ゾーンから室温でステンレススチールの皿上に直接広げて冷却し、サンプル3を得た。冷却速度は22℃/分であった。また、温度と時間との記録より、300℃までの冷却はT=823.85*EXP(0.0401*t)の式に従っていることを確認した。
Claims (26)
- 化学式LiXNiaCobMncО2で表され、実質的に単相で、六方晶層状結晶構造を有し、実質的に局所的な立方晶スピネル類似構造相を有しない化合物(ただし、上記式中、a、b及びcはそれぞれ独立に0.05以上0.8以下の数であり、0.95≦a+b+c≦1.02、0.98≦x≦1.05、x+a+b+c=2である)。
- 化学式LiXNiaCobMncО2で表され、実質的に単相で、六方晶層状結晶構造を有し、実質的に局所的な立方晶スピネル類似構造相を有しない化合物(ただし、上記式中、a、b及びcはそれぞれ独立に0.05以上0.8以下の数であり、0.95≦a+b+c≦1.02、0.98≦x≦1.05、x+a+b+c=2である)であって、上記化学式LiXNiaCobMncО2で表さる化合物を600℃以上に加熱し、20℃/分未満の冷却速度で冷却することによって得られる化合物。
- 粉末X線回折において、ミラー指数(003)に対応する回折ピークより小さい角度の回折が認められない請求項1又は2に記載の化合物。
- 粉末X線回折において、ミラー指数(104)に対応する回折ピークの積分強度とミラー指数(003)に対応する回折ピークとのピーク高さの比が0.4〜0.8である請求項1〜3の何れかに記載の化合物。
- 化学式がLiNi0.33Co0.33Mn0.33О2、LiNi0.475Co0.05Mn0.475О2、LiNi0.5Co0.2Mn0.3О2、LiNi0.7Co0.2Mn0.1О2、LiNi0.77Co0.13Mn0.1О2の何れかである請求項1〜4の何れかに記載の化合物。
- 請求項1〜5の何れかに記載の化合物から成る正極を有するリチウム電池またはリチウムイオン二次電池。
- 請求項6に記載のリチウム電池またはリチウムイオン二次電池から成る電気・電子装置。
- 電気・電子装置が携帯電話、ビデオカメラ、ラップトップ型コンピュータ、電気自動車、ハイブリッド電気自動車から成る群より選択される請求項7に記載の電気・電子装置。
- 実質的に単相で、六方晶層状結晶構造を有し、実質的に局所的な立方晶スピネル類似構造相を有しない化合物の製造方法であって、当該製造方法は、化学式LiXNiaCobMncО2で表されるリチウム金属酸化物(ただし、上記式中、a、b及びcはそれぞれ独立に0.05以上0.8以下の数であり、0.95≦a+b+c≦1.02、0.98≦x≦1.05、x+a+b+c=2である)を600℃以上に加熱する加熱工程と、当該加熱された化合物を冷却する冷却工程とから成り、当該冷却工程が、T=f*EXP(R*t)で示される関数に基づいて冷却される(ただし、上記式中、Tは温度(℃)、fは係数、Rは冷却速度、tは冷却時間を示し、f=600〜1000℃、R=0.0009〜0.01、且つ関数は非線形である)ことを特徴とする化合物の製造方法。
- f=750〜850℃、R=0.001〜0.009である請求項9に記載の製造方法。
- R=0.002〜0.005である請求項9又は10に記載の製造方法。
- R=0.003〜0.0044である請求項9〜11の何れかに記載の製造方法。
- LiXNiaCobMncО2で表される化合物を600℃以上に加熱する加熱工程を含む請求項9〜12の何れかに記載の製造方法。
- 冷却工程がLiXNiaCobMncО2で表される化合物を均一に冷却する工程を含む請求項9〜13の何れかに記載の製造方法。
- LiXNiaCobMncО2で表される化合物が600℃以上の温度で合成される工程を含む請求項9〜14の何れかに記載の製造方法。
- LiXNiaCobMncО2で表される化合物を予め合成し、さらに、600℃以上の温度で加熱する工程を含む請求項9〜14の何れかに記載の製造方法。
- 請求項1〜5の何れかに記載の化合物の、リチウム電池またはリチウムイオン二次電池の正極への使用。
- 請求項1に記載の化合物のバッチ、ロット、出荷品としての製品仕様の作製方法であって、バッチ、ロット、出荷品としての少なくとも1つの特性を特定化することを特徴とする製品仕様書の作製方法。
- 製品仕様書を使用した顧客へのビジネス方法であって、当該製品仕様書が微粒子物質のバッチ、ロットまたは出荷品として要求される内容および/または提供される内容が記載されていることを特徴とするビジネス方法。
- 請求項1〜5の何れかに記載の化合物のバッチ、ロットまたは出荷品の製品仕様書、発注書、請求書、契約書、権利放棄書またはそれらの組合せ書面に、性状数値が記載されている請求項18又は19に記載の方法。
- 微粒子物質のバッチ、ロット、出荷品としての少なくとも1つの特性を特定化する請求項18又は19に記載の方法。
- 特性の特定化が、バッチ、ロット、出荷品の測定または分析から成る請求項21に記載の方法。
- 少なくとも1つの界面電位値によって微粒子物質のバッチ、ロット、出荷品としての特性を特定化する請求項18又は19に記載の方法。
- 微粒子物質のバッチ、ロット、出荷品の、表面積、粒径、構造、空隙率、タップ密度および粒子の形状から選択される少なくとも1つの形態学的数値を特定化する工程を含む請求項18又は19に記載の方法。
- 少なくとも1つの性状数値を追加することにより微粒子物質の品質等級、型または品種の製品仕様の記載の更新を行う工程を有する微粒子物質の品質等級、型または品種の識別の改善方法。
- 製品仕様の記載が、カタログ、ウエブサイト、案内冊子、微粒子材料文献、広告、ラベル又はそれらの組合せである請求項18、19又は25に記載の方法。
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US9911518B2 (en) | 2012-09-28 | 2018-03-06 | Jx Nippon Mining & Metals Corporation | Cathode active material for lithium-ion battery, cathode for lithium-ion battery and lithium-ion battery |
JP2017152120A (ja) * | 2016-02-23 | 2017-08-31 | Tdk株式会社 | 正極活物質、及びそれを用いた正極ならびにリチウムイオン二次電池 |
KR20220030927A (ko) * | 2019-04-26 | 2022-03-11 | 유미코아 | 충전식 리튬 이온 전지용 양극 재료의 제조 방법 |
JP2022530125A (ja) * | 2019-04-26 | 2022-06-27 | ユミコア | 充電式リチウムイオン電池用の正極材料の調製方法 |
KR102561971B1 (ko) | 2019-04-26 | 2023-07-31 | 유미코아 | 충전식 리튬 이온 전지용 양극 재료의 제조 방법 |
JP7359866B2 (ja) | 2019-04-26 | 2023-10-11 | ユミコア | 充電式リチウムイオン電池用の正極材料の調製方法 |
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WO2007000286A1 (en) | 2007-01-04 |
JP5716002B2 (ja) | 2015-05-13 |
TW200715632A (en) | 2007-04-16 |
KR20080035522A (ko) | 2008-04-23 |
EP1900046A1 (en) | 2008-03-19 |
KR101284413B1 (ko) | 2013-07-09 |
JP2013032283A (ja) | 2013-02-14 |
CN101283464A (zh) | 2008-10-08 |
EP1900046B1 (en) | 2013-11-06 |
CN101283464B (zh) | 2010-12-08 |
US8377412B2 (en) | 2013-02-19 |
US20090299922A1 (en) | 2009-12-03 |
CA2613182C (en) | 2014-04-15 |
CA2613182A1 (en) | 2007-01-04 |
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