LU504854B1 - Method for preparing high-nickel cathode material for lithium-ion batteries and high-nickel cathode material for lithium-ion batteries prepared therefrom - Google Patents
Method for preparing high-nickel cathode material for lithium-ion batteries and high-nickel cathode material for lithium-ion batteries prepared therefrom Download PDFInfo
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- LU504854B1 LU504854B1 LU504854A LU504854A LU504854B1 LU 504854 B1 LU504854 B1 LU 504854B1 LU 504854 A LU504854 A LU 504854A LU 504854 A LU504854 A LU 504854A LU 504854 B1 LU504854 B1 LU 504854B1
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- Prior art keywords
- lithium
- cathode material
- nickel
- ion batteries
- temperature
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- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 title claims abstract description 141
- 229910052759 nickel Inorganic materials 0.000 title claims abstract description 115
- 239000010406 cathode material Substances 0.000 title claims abstract description 87
- 238000000034 method Methods 0.000 title claims abstract description 59
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 39
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 39
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 86
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 86
- 239000000463 material Substances 0.000 claims abstract description 69
- 239000002243 precursor Substances 0.000 claims abstract description 51
- 239000000654 additive Substances 0.000 claims abstract description 50
- 230000000996 additive effect Effects 0.000 claims abstract description 50
- 230000008569 process Effects 0.000 claims abstract description 38
- 238000005245 sintering Methods 0.000 claims abstract description 30
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 24
- 229910044991 metal oxide Inorganic materials 0.000 claims abstract description 24
- 150000004706 metal oxides Chemical class 0.000 claims abstract description 24
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 24
- 239000011574 phosphorus Substances 0.000 claims abstract description 24
- 229910003002 lithium salt Inorganic materials 0.000 claims abstract description 23
- 159000000002 lithium salts Chemical class 0.000 claims abstract description 23
- 238000002156 mixing Methods 0.000 claims abstract description 13
- 238000001816 cooling Methods 0.000 claims abstract description 5
- 238000000227 grinding Methods 0.000 claims abstract description 5
- 238000011068 loading method Methods 0.000 claims abstract description 5
- 238000007873 sieving Methods 0.000 claims abstract description 5
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 claims description 42
- 238000010438 heat treatment Methods 0.000 claims description 40
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 20
- DLYUQMMRRRQYAE-UHFFFAOYSA-N tetraphosphorus decaoxide Chemical compound O1P(O2)(=O)OP3(=O)OP1(=O)OP2(=O)O3 DLYUQMMRRRQYAE-UHFFFAOYSA-N 0.000 claims description 18
- 239000011572 manganese Substances 0.000 claims description 14
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 12
- 229910052748 manganese Inorganic materials 0.000 claims description 12
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 12
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 9
- 239000002245 particle Substances 0.000 claims description 9
- 239000010941 cobalt Substances 0.000 claims description 8
- 229910017052 cobalt Inorganic materials 0.000 claims description 8
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 8
- IATRAKWUXMZMIY-UHFFFAOYSA-N strontium oxide Chemical compound [O-2].[Sr+2] IATRAKWUXMZMIY-UHFFFAOYSA-N 0.000 claims description 8
- 238000009766 low-temperature sintering Methods 0.000 claims description 7
- 238000002360 preparation method Methods 0.000 claims description 7
- SNKMVYBWZDHJHE-UHFFFAOYSA-M lithium;dihydrogen phosphate Chemical compound [Li+].OP(O)([O-])=O SNKMVYBWZDHJHE-UHFFFAOYSA-M 0.000 claims description 6
- QGLKJKCYBOYXKC-UHFFFAOYSA-N nonaoxidotritungsten Chemical compound O=[W]1(=O)O[W](=O)(=O)O[W](=O)(=O)O1 QGLKJKCYBOYXKC-UHFFFAOYSA-N 0.000 claims description 6
- 229910001930 tungsten oxide Inorganic materials 0.000 claims description 6
- 229910001386 lithium phosphate Inorganic materials 0.000 claims description 5
- TWQULNDIKKJZPH-UHFFFAOYSA-K trilithium;phosphate Chemical compound [Li+].[Li+].[Li+].[O-]P([O-])([O-])=O TWQULNDIKKJZPH-UHFFFAOYSA-K 0.000 claims description 5
- ILRRQNADMUWWFW-UHFFFAOYSA-K aluminium phosphate Chemical compound O1[Al]2OP1(=O)O2 ILRRQNADMUWWFW-UHFFFAOYSA-K 0.000 claims description 4
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 claims description 4
- 229910000387 ammonium dihydrogen phosphate Inorganic materials 0.000 claims description 4
- 229910021645 metal ion Inorganic materials 0.000 claims description 4
- 235000019837 monoammonium phosphate Nutrition 0.000 claims description 4
- IYDGMDWEHDFVQI-UHFFFAOYSA-N phosphoric acid;trioxotungsten Chemical compound O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.OP(O)(O)=O IYDGMDWEHDFVQI-UHFFFAOYSA-N 0.000 claims description 4
- JUWGUJSXVOBPHP-UHFFFAOYSA-B titanium(4+);tetraphosphate Chemical compound [Ti+4].[Ti+4].[Ti+4].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O JUWGUJSXVOBPHP-UHFFFAOYSA-B 0.000 claims description 4
- YNQRWVCLAIUHHI-UHFFFAOYSA-L dilithium;oxalate Chemical compound [Li+].[Li+].[O-]C(=O)C([O-])=O YNQRWVCLAIUHHI-UHFFFAOYSA-L 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 150000003839 salts Chemical class 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 238000012360 testing method Methods 0.000 description 50
- 238000002479 acid--base titration Methods 0.000 description 25
- 239000000203 mixture Substances 0.000 description 12
- 239000011162 core material Substances 0.000 description 7
- 239000011257 shell material Substances 0.000 description 7
- 239000011164 primary particle Substances 0.000 description 6
- 230000008901 benefit Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000000635 electron micrograph Methods 0.000 description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 230000001590 oxidative effect Effects 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 150000001768 cations Chemical class 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- RSNHXDVSISOZOB-UHFFFAOYSA-N lithium nickel Chemical compound [Li].[Ni] RSNHXDVSISOZOB-UHFFFAOYSA-N 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000010452 phosphate Substances 0.000 description 2
- 230000036632 reaction speed Effects 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
- 239000004327 boric acid Substances 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011258 core-shell material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000005303 weighing Methods 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
- 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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G53/00—Compounds of nickel
- C01G53/40—Complex oxides containing nickel and at least one other metal element
- C01G53/42—Complex oxides containing nickel and at least one other metal element containing alkali metals, e.g. LiNiO2
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G53/00—Compounds of nickel
- C01G53/40—Complex oxides containing nickel and at least one other metal element
- C01G53/42—Complex oxides containing nickel and at least one other metal element containing alkali metals, e.g. LiNiO2
- C01G53/44—Complex oxides containing nickel and at least one other metal element containing alkali metals, e.g. LiNiO2 containing 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
- H01M4/50—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
- 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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- 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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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/30—Particle morphology extending in three dimensions
- C01P2004/32—Spheres
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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
- C01P2004/30—Particle morphology extending in three dimensions
- C01P2004/45—Aggregated particles or particles with an intergrown morphology
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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
- C01P2006/12—Surface area
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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
- C01P2006/80—Compositional purity
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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
- H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
- H01M2004/028—Positive electrodes
-
- 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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- 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)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Battery Electrode And Active Subsutance (AREA)
Claims (10)
1. Verfahren zur Herstellung eines Kathodenmaterials mit hohem Nickelgehalt für Lithium-lonen- Batterien, dadurch gekennzeichnet, dass es die folgenden Schritte umfasst: (1) Mischen eines ternären Kathodenmaterialvorläufers mit hohem Nickelgehalt, eines Lithiumsalzes, eines phosphorhaltigen Additivs und eines Metalloxidadditivs, wobei das Molverhältnis des Lithiumelements in dem Lithiumsalz zu dem Molverhältnis des Nickel-Kobalt- Manganelements in dem ternären Kathodenmaterialvorläufer mit hohem Nickelgehalt 1,00 bis 1,10 beträgt; die zugegebene Menge des phosphorhaltigen Additivs 0,1 bis 1,5 Gew.-% der Masse des ternären Kathodenmaterialvorläufers mit hohem Nickelgehalt ausmacht; und die zugegebene Menge des Metalloxidadditivs 0,1 bis 0,5 Gew-% der Masse des ternären Kathodenmaterialvorläufers mit hohem Nickelgehalt ausmacht; (2) Eingeben eines durch das Mischen in Schritt (1) erhaltenen Materials in eine Brennkapsel, Einbringen in eine Hochtemperatur- und Hochdruckvorrichtung, Sintern und natürliches Abkühlen nach dem Sintern; (3) Mahlen und Sieben des abgekühlten Materials aus Schritt (2), um das Kathodenmaterial mit hohem Nickelgehalt für Lithium-lonen-Batterien zu erhalten.
2. Verfahren zur Herstellung eines Kathodenmaterials mit hohem Nickelgehalt für Lithium-lonen- Batterien nach Anspruch 1, dadurch gekennzeichnet, dass die chemische Formel des ternären Kathodenmaterialvorläufers mit hohem Nickelgehalt Ni,CoyMnzAlixyz{(OH)a ist, wobei 0,8<x<0,9,0,05<y<0,15, 0,01 <z < 0,10 und 0,95 < x+ y + z < 0,99.
3. Verfahren zur Herstellung eines Kathodenmaterials mit hohem Nickelgehalt für Lithium-lonen- Batterien nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Teilchengröße D50 des ternären Kathodenmaterialvorläufers mit hohem Nickelgehalt 6 bis 15 um beträgt.
4 Verfahren zur Herstellung eines Kathodenmaterials mit hohem Nickelgehalt für Lithium-lonen- Batterien nach Anspruch 3, dadurch gekennzeichnet, dass das Lithiumsalz eines oder eine Kombination von zwei von Lithiumhydroxid, Lithiumoxalat, Lithiumdihydrogenphosphat und Lithiumphosphat; und das phosphorhaltige Additiv eines oder eine Kombination von mehreren von Ammoniumdihydrogenphosphat, Phosphorpentoxid, Titanphosphat, Aluminiumphosphat und Phosphowolframsäure ist.
5. Verfahren zur Herstellung eines Kathodenmaterials mit hohem Nickelgehalt für Lithium-lonen- Batterien nach Anspruch 4, dadurch gekennzeichnet, dass das Metalloxidadditiv ein Metalloxidadditiv mit einem Metallionenradius zwischen 60 und 80 pm ist.
6. Verfahren zur Herstellung eines Kathodenmaterials mit hohem Nickelgehalt für Lithium-lonen- Batterien nach Anspruch 1, dadurch gekennzeichnet, dass das Metalloxidadditiv eines und eine
Kombination von mehreren von Zirkoniumoxid, Wolframoxid, Titanoxid und Strontiumoxid ist. LU504854
7. Verfahren zur Herstellung eines Kathodenmaterials mit hohem Nickelgehalt für Lithium-lonen- Batterien nach Anspruch 1, dadurch gekennzeichnet, dass das Sintern in Schritt (2) ein Gradientensintern ist, wobei das Sintern zuerst bei niedriger Temperatur und dann bei hoher Temperatur erfolgt.
8. Verfahren zur Herstellung eines Kathodenmaterials mit hohem Nickelgehalt für Lithium-lonen- Batterien nach Anspruch 7, dadurch gekennzeichnet, dass das Sintern bei niedriger Temperatur insbesondere Folgendes umfasst: Erhitzen auf 650 bis 780 °C mit einer Heizrate von 1 bis 3 °C/min unter einem Druck, der bei -10 bis -5 Pa gehalten wird, und Halten der Temperatur für 4 bis 10 h, wobei während des Haltens der Temperatur ein Druck von 50 bis 200 Pa herrscht.
9. Verfahren zur Herstellung eines Kathodenmaterials mit hohem Nickelgehalt für Lithium-lonen- Batterien nach Anspruch 7, dadurch gekennzeichnet, dass das Sintern bei hoher Temperatur insbesondere Folgendes umfasst: Erhitzen auf 750 bis 850 °C mit einer Heizrate von 0,5 bis 2 °C/min unter einem Druck, der bei -10 bis -5 Pa gehalten wird, und Halten der Temperatur für 4 bis 10 h, wobei während des Haltens der Temperatur ein Druck von 5 bis 50 Pa herrscht.
10. Kathodenmaterial mit hohem Nickelgehalt für Lithium-lonen-Batterien, das nach dem Herstellungsverfahren gemäß einem der Ansprüche 1 bis 9 hergestellt ist.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211293178.0A CN115710023B (zh) | 2022-10-21 | 2022-10-21 | 一种锂离子电池高镍正极材料的制备方法及用其制备的锂离子电池高镍正极材料 |
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| Publication Number | Publication Date |
|---|---|
| LU504854B1 true LU504854B1 (en) | 2024-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| LU504854A LU504854B1 (en) | 2022-10-21 | 2023-05-31 | Method for preparing high-nickel cathode material for lithium-ion batteries and high-nickel cathode material for lithium-ion batteries prepared therefrom |
Country Status (4)
| Country | Link |
|---|---|
| CN (1) | CN115710023B (de) |
| LU (1) | LU504854B1 (de) |
| WO (1) | WO2024082642A1 (de) |
| ZA (1) | ZA202307617B (de) |
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| CN115710023B (zh) * | 2022-10-21 | 2023-09-05 | 安徽天力锂能有限公司 | 一种锂离子电池高镍正极材料的制备方法及用其制备的锂离子电池高镍正极材料 |
| CN118676331A (zh) * | 2024-05-17 | 2024-09-20 | 浙江美达瑞新材料科技有限公司 | 一种改性高镍三元正极材料的制备方法 |
| US12500230B2 (en) | 2024-05-17 | 2025-12-16 | Zhejiang Amandarry New Materials Technologies Co., Ltd. | Method for preparing surface-modified lithium/sodium multicomponent cathode materials |
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| CN108075111A (zh) * | 2016-11-18 | 2018-05-25 | 宁德时代新能源科技股份有限公司 | 锂离子电池及其正极材料 |
| CN108777296A (zh) * | 2018-06-04 | 2018-11-09 | 国联汽车动力电池研究院有限责任公司 | 一种表面改性高镍三元正极材料及其制备和其制成的电池 |
| CN110451585A (zh) * | 2019-05-11 | 2019-11-15 | 浙江美都海创锂电科技有限公司 | 一种高镍、长循环单晶锂离子电池正极材料制备方法 |
| CN110436531A (zh) * | 2019-06-20 | 2019-11-12 | 浙江美都海创锂电科技有限公司 | 低表面残碱的高镍单晶三元正极材料及其制备方法 |
| CN111416118A (zh) * | 2020-03-31 | 2020-07-14 | 江门市科恒实业股份有限公司 | 一种高电压三元正极材料及其制备方法 |
| CN112499696B (zh) * | 2020-11-30 | 2023-01-13 | 蜂巢能源科技有限公司 | 一种降低高镍材料残碱含量的方法及制备得到的低残碱高镍材料 |
| CN112803010A (zh) * | 2021-03-23 | 2021-05-14 | 深圳市贝特瑞纳米科技有限公司 | 三元正极材料及其制备方法和锂离子电池 |
| CN113871603B (zh) * | 2021-09-29 | 2023-03-24 | 蜂巢能源科技有限公司 | 一种高镍三元正极材料及其制备方法 |
| CN114524468B (zh) * | 2022-02-14 | 2023-09-29 | 浙江格派钴业新材料有限公司 | 一种改性单晶超高镍四元ncma正极材料的制备方法 |
| CN115710023B (zh) * | 2022-10-21 | 2023-09-05 | 安徽天力锂能有限公司 | 一种锂离子电池高镍正极材料的制备方法及用其制备的锂离子电池高镍正极材料 |
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| CN115710023B (zh) | 2023-09-05 |
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