CN114538404B - 一种以钛白副产物硫酸亚铁制备磷酸铁锂的方法 - Google Patents
一种以钛白副产物硫酸亚铁制备磷酸铁锂的方法 Download PDFInfo
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- CN114538404B CN114538404B CN202210251781.6A CN202210251781A CN114538404B CN 114538404 B CN114538404 B CN 114538404B CN 202210251781 A CN202210251781 A CN 202210251781A CN 114538404 B CN114538404 B CN 114538404B
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- Prior art keywords
- ferrous sulfate
- iron phosphate
- solution
- lithium
- lithium iron
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- 229910000359 iron(II) sulfate Inorganic materials 0.000 title claims abstract description 141
- 235000003891 ferrous sulphate Nutrition 0.000 title claims abstract description 136
- 239000011790 ferrous sulphate Substances 0.000 title claims abstract description 136
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 title claims abstract description 70
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 title claims abstract description 47
- 235000010215 titanium dioxide Nutrition 0.000 title claims abstract description 41
- 239000006227 byproduct Substances 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims abstract description 35
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 title claims abstract 37
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 claims abstract description 87
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 49
- 238000003756 stirring Methods 0.000 claims abstract description 45
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 42
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims abstract description 40
- 239000000843 powder Substances 0.000 claims abstract description 34
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 28
- 238000001914 filtration Methods 0.000 claims abstract description 27
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical compound [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 claims abstract description 25
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims abstract description 20
- 238000001816 cooling Methods 0.000 claims abstract description 20
- 239000002699 waste material Substances 0.000 claims abstract description 18
- 238000010438 heat treatment Methods 0.000 claims abstract description 17
- 239000005955 Ferric phosphate Substances 0.000 claims abstract description 16
- 229940032958 ferric phosphate Drugs 0.000 claims abstract description 16
- 229910000399 iron(III) phosphate Inorganic materials 0.000 claims abstract description 16
- 238000006243 chemical reaction Methods 0.000 claims abstract description 14
- 238000005406 washing Methods 0.000 claims abstract description 14
- 238000001035 drying Methods 0.000 claims abstract description 11
- 229910000398 iron phosphate Inorganic materials 0.000 claims abstract description 9
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910001416 lithium ion Inorganic materials 0.000 claims abstract description 6
- 239000012065 filter cake Substances 0.000 claims description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 15
- 229910052799 carbon Inorganic materials 0.000 claims description 14
- 238000006386 neutralization reaction Methods 0.000 claims description 12
- 239000000126 substance Substances 0.000 claims description 12
- 238000002156 mixing Methods 0.000 claims description 11
- 230000001376 precipitating effect Effects 0.000 claims description 9
- 239000006228 supernatant Substances 0.000 claims description 9
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 7
- DVATZODUVBMYHN-UHFFFAOYSA-K lithium;iron(2+);manganese(2+);phosphate Chemical compound [Li+].[Mn+2].[Fe+2].[O-]P([O-])([O-])=O DVATZODUVBMYHN-UHFFFAOYSA-K 0.000 claims description 7
- 239000011572 manganese Substances 0.000 claims description 7
- 229910052748 manganese Inorganic materials 0.000 claims description 7
- 239000000047 product Substances 0.000 claims description 5
- 238000001694 spray drying Methods 0.000 claims description 4
- 238000001354 calcination Methods 0.000 claims description 3
- 239000012299 nitrogen atmosphere Substances 0.000 claims description 3
- 239000007774 positive electrode material Substances 0.000 claims description 3
- 239000010936 titanium Substances 0.000 abstract description 18
- 239000012535 impurity Substances 0.000 abstract description 17
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 abstract description 11
- 229910052719 titanium Inorganic materials 0.000 abstract description 11
- 229910052742 iron Inorganic materials 0.000 abstract description 8
- 239000004408 titanium dioxide Substances 0.000 abstract description 6
- 239000010405 anode material Substances 0.000 abstract description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 abstract description 4
- 230000002378 acidificating effect Effects 0.000 abstract description 4
- 229910052744 lithium Inorganic materials 0.000 abstract description 4
- 238000002360 preparation method Methods 0.000 abstract description 4
- 239000002994 raw material Substances 0.000 abstract description 3
- 239000012716 precipitator Substances 0.000 abstract description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract 1
- 229910052698 phosphorus Inorganic materials 0.000 abstract 1
- 239000011574 phosphorus Substances 0.000 abstract 1
- SURQXAFEQWPFPV-UHFFFAOYSA-L iron(2+) sulfate heptahydrate Chemical compound O.O.O.O.O.O.O.[Fe+2].[O-]S([O-])(=O)=O SURQXAFEQWPFPV-UHFFFAOYSA-L 0.000 description 105
- 239000000243 solution Substances 0.000 description 98
- 230000000052 comparative effect Effects 0.000 description 7
- -1 sulfur ion Chemical class 0.000 description 7
- 230000001276 controlling effect Effects 0.000 description 6
- 150000002500 ions Chemical class 0.000 description 6
- 229910019142 PO4 Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000010452 phosphate Substances 0.000 description 4
- IVIHUELQQBDVNA-UHFFFAOYSA-L C([O-])([O-])=O.[Fe+2].[Li+] Chemical compound C([O-])([O-])=O.[Fe+2].[Li+] IVIHUELQQBDVNA-UHFFFAOYSA-L 0.000 description 3
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 239000007795 chemical reaction product Substances 0.000 description 3
- 239000000706 filtrate Substances 0.000 description 3
- 239000008103 glucose Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- LCKIEQZJEYYRIY-UHFFFAOYSA-N Titanium ion Chemical compound [Ti+4] LCKIEQZJEYYRIY-UHFFFAOYSA-N 0.000 description 2
- IXEPLCNEZFSNBB-UHFFFAOYSA-L [Mn+2].[Fe+2].C([O-])([O-])=O.[Li+] Chemical compound [Mn+2].[Fe+2].C([O-])([O-])=O.[Li+] IXEPLCNEZFSNBB-UHFFFAOYSA-L 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000007062 hydrolysis Effects 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- 238000001027 hydrothermal synthesis Methods 0.000 description 2
- 229940099596 manganese sulfate Drugs 0.000 description 2
- 235000007079 manganese sulphate Nutrition 0.000 description 2
- 239000011702 manganese sulphate Substances 0.000 description 2
- SQQMAOCOWKFBNP-UHFFFAOYSA-L manganese(II) sulfate Chemical group [Mn+2].[O-]S([O-])(=O)=O SQQMAOCOWKFBNP-UHFFFAOYSA-L 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 description 1
- 229910013872 LiPF Inorganic materials 0.000 description 1
- 101150058243 Lipf gene Proteins 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 239000006230 acetylene black Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 125000002791 glucosyl group Chemical group C1([C@H](O)[C@@H](O)[C@H](O)[C@H](O1)CO)* 0.000 description 1
- 239000012761 high-performance material Substances 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 239000001023 inorganic pigment Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- INHCSSUBVCNVSK-UHFFFAOYSA-L lithium sulfate Inorganic materials [Li+].[Li+].[O-]S([O-])(=O)=O INHCSSUBVCNVSK-UHFFFAOYSA-L 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 229910052976 metal sulfide Inorganic materials 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- DCKVFVYPWDKYDN-UHFFFAOYSA-L oxygen(2-);titanium(4+);sulfate Chemical compound [O-2].[Ti+4].[O-]S([O-])(=O)=O DCKVFVYPWDKYDN-UHFFFAOYSA-L 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000012629 purifying agent Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 229910001415 sodium ion Inorganic materials 0.000 description 1
- HYHCSLBZRBJJCH-UHFFFAOYSA-N sodium polysulfide Chemical compound [Na+].S HYHCSLBZRBJJCH-UHFFFAOYSA-N 0.000 description 1
- 229910052979 sodium sulfide Inorganic materials 0.000 description 1
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- RBTVSNLYYIMMKS-UHFFFAOYSA-N tert-butyl 3-aminoazetidine-1-carboxylate;hydrochloride Chemical compound Cl.CC(C)(C)OC(=O)N1CC(N)C1 RBTVSNLYYIMMKS-UHFFFAOYSA-N 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229910000348 titanium sulfate Inorganic materials 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/05—Preparation or purification of carbon not covered by groups C01B32/15, C01B32/20, C01B32/25, C01B32/30
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/26—Phosphates
- C01B25/37—Phosphates of heavy metals
- C01B25/375—Phosphates of heavy metals of iron
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/26—Phosphates
- C01B25/45—Phosphates containing plural metal, or metal and ammonium
-
- 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
-
- 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
- H01M4/362—Composites
- H01M4/366—Composites as layered products
-
- 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
- H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
- H01M4/5825—Oxygenated metallic salts or polyanionic structures, e.g. borates, phosphates, silicates, olivines
-
- 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
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/624—Electric conductive fillers
- H01M4/625—Carbon or graphite
-
- 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
-
- 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
-
- 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)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Crystallography & Structural Chemistry (AREA)
- Composite Materials (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
组别 | 0.1C比容量/mAhg-1 | -20℃0.2C比容量/mAhg-1 |
实施例1 | 165.2 | 125.4 |
实施例2 | 166.3 | 127.1 |
实施例3 | 164.6 | 124.6 |
实施例4 | 164.9 | 125.5 |
实施例5 | 164.3 | 112.1 |
对比例1 | 161.6 | 106.2 |
Claims (9)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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CN202210251781.6A CN114538404B (zh) | 2022-03-15 | 2022-03-15 | 一种以钛白副产物硫酸亚铁制备磷酸铁锂的方法 |
EP22931667.4A EP4393874A1 (en) | 2022-03-15 | 2022-07-26 | Method for preparing lithium iron phosphate from titanium dioxide by-product of ferrous sulfate |
PCT/CN2022/107776 WO2023173645A1 (zh) | 2022-03-15 | 2022-07-26 | 一种以钛白副产物硫酸亚铁制备磷酸铁锂的方法 |
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CN202210251781.6A CN114538404B (zh) | 2022-03-15 | 2022-03-15 | 一种以钛白副产物硫酸亚铁制备磷酸铁锂的方法 |
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Publication Number | Publication Date |
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CN114538404A CN114538404A (zh) | 2022-05-27 |
CN114538404B true CN114538404B (zh) | 2023-07-07 |
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Country Status (3)
Country | Link |
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EP (1) | EP4393874A1 (zh) |
CN (1) | CN114538404B (zh) |
WO (1) | WO2023173645A1 (zh) |
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CN114538404B (zh) * | 2022-03-15 | 2023-07-07 | 深圳市沃伦特新能源有限公司 | 一种以钛白副产物硫酸亚铁制备磷酸铁锂的方法 |
CN115403021A (zh) * | 2022-09-08 | 2022-11-29 | 云南纳诺电子新材料有限公司 | 一种钛白副产物硫酸亚铁制备磷酸铁锂的方法 |
CN117089226B (zh) * | 2023-10-17 | 2024-02-02 | 成都先进金属材料产业技术研究院股份有限公司 | 一种提高涂料用钛白粉耐候性的包膜方法 |
CN117923457B (zh) * | 2024-03-25 | 2024-06-25 | 四川大学 | 一种利用回收磷酸铁锂制备磷酸锰铁锂的方法 |
Family Cites Families (14)
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WO2005068358A1 (en) * | 2003-12-18 | 2005-07-28 | Millennium Chemicals | Production of 'useful material(s)' from waste acid issued from the production of titanium dioxyde |
CN101531355A (zh) | 2009-04-22 | 2009-09-16 | 广西大学 | 以钛白粉副产物硫酸亚铁制备高纯磷酸铁的方法 |
CN101752564B (zh) * | 2010-01-20 | 2011-11-30 | 河北工业大学 | 一维纳米结构的锂离子电池正极材料磷酸铁锂的水热合成法 |
US9139429B2 (en) * | 2010-03-02 | 2015-09-22 | Guiqing Huang | High performance cathode material LiFePO4, its precursors and methods of making thereof |
CN102249208A (zh) * | 2011-05-06 | 2011-11-23 | 朱鸥鹭 | 一种锂离子电池正极材料磷酸锰铁锂的水热合成方法 |
JP5725456B2 (ja) * | 2011-12-19 | 2015-05-27 | 太平洋セメント株式会社 | リチウムイオン二次電池用正極活物質の製造方法 |
JP5776573B2 (ja) * | 2012-02-06 | 2015-09-09 | 住友金属鉱山株式会社 | リチウム二次電池用正極活物質とその製造方法および該正極活物質の前駆体とその製造方法、並びに該正極活物質を用いたリチウム二次電池 |
CN105060266B (zh) * | 2015-07-20 | 2017-09-29 | 河北工业大学 | 一种纳米磷酸铁锂的水热合成方法 |
CN107857243A (zh) | 2017-11-15 | 2018-03-30 | 成都先进金属材料产业技术研究院有限公司 | 钛白副产物硫酸亚铁制备电池级超细磷酸铁的方法 |
CN108046337A (zh) * | 2018-02-11 | 2018-05-18 | 绵阳天明新能源科技有限公司 | 一种钛白粉副产物硫酸亚铁的提纯方法 |
CN110872107A (zh) * | 2018-08-30 | 2020-03-10 | 衢州华友钴新材料有限公司 | 一种从钴镍行业合金浸出液中回收铁的方法 |
CN112125292A (zh) * | 2020-08-14 | 2020-12-25 | 中国科学院金属研究所 | 一种磷酸锰铁锂的水热合成方法 |
CN113929150A (zh) * | 2021-09-06 | 2022-01-14 | 江苏宇星科技有限公司 | 钛白副产硫酸亚铁水热法制备磷酸铁锂前驱体氧化铁红的生产工艺 |
CN114538404B (zh) * | 2022-03-15 | 2023-07-07 | 深圳市沃伦特新能源有限公司 | 一种以钛白副产物硫酸亚铁制备磷酸铁锂的方法 |
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