CN110482514B - 一种电池级无水磷酸铁的制备方法 - Google Patents
一种电池级无水磷酸铁的制备方法 Download PDFInfo
- Publication number
- CN110482514B CN110482514B CN201910800696.9A CN201910800696A CN110482514B CN 110482514 B CN110482514 B CN 110482514B CN 201910800696 A CN201910800696 A CN 201910800696A CN 110482514 B CN110482514 B CN 110482514B
- Authority
- CN
- China
- Prior art keywords
- phosphate
- solution
- iron
- battery
- ferric
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical compound [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 title claims abstract description 98
- 229910000398 iron phosphate Inorganic materials 0.000 title claims abstract description 47
- 238000002360 preparation method Methods 0.000 title claims abstract description 23
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 70
- 239000005955 Ferric phosphate Substances 0.000 claims abstract description 51
- 229940032958 ferric phosphate Drugs 0.000 claims abstract description 51
- 239000011790 ferrous sulphate Substances 0.000 claims abstract description 51
- 229910000399 iron(III) phosphate Inorganic materials 0.000 claims abstract description 51
- 229910000359 iron(II) sulfate Inorganic materials 0.000 claims abstract description 50
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims abstract description 48
- 235000003891 ferrous sulphate Nutrition 0.000 claims abstract description 47
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000013078 crystal Substances 0.000 claims abstract description 33
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000008394 flocculating agent Substances 0.000 claims abstract description 29
- 239000012535 impurity Substances 0.000 claims abstract description 28
- 239000002270 dispersing agent Substances 0.000 claims abstract description 26
- 229910052742 iron Inorganic materials 0.000 claims abstract description 25
- 238000000034 method Methods 0.000 claims abstract description 24
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 20
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000000843 powder Substances 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 15
- 229910001447 ferric ion Inorganic materials 0.000 claims abstract description 14
- 239000006227 byproduct Substances 0.000 claims abstract description 11
- 238000001035 drying Methods 0.000 claims abstract description 11
- 238000004519 manufacturing process Methods 0.000 claims abstract description 11
- -1 phosphate radical ion Chemical class 0.000 claims abstract description 11
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 10
- 229910019142 PO4 Inorganic materials 0.000 claims abstract description 9
- 229910001448 ferrous ion Inorganic materials 0.000 claims abstract description 9
- 239000010452 phosphate Substances 0.000 claims abstract description 9
- 238000002156 mixing Methods 0.000 claims abstract description 8
- 230000001590 oxidative effect Effects 0.000 claims abstract description 8
- 239000000243 solution Substances 0.000 claims description 84
- 239000002245 particle Substances 0.000 claims description 20
- 239000012266 salt solution Substances 0.000 claims description 20
- 239000011259 mixed solution Substances 0.000 claims description 13
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 13
- 239000000203 mixture Substances 0.000 claims description 9
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 7
- LLDYDUXXNBDDFT-UHFFFAOYSA-N phosphoric acid urea Chemical compound NC(=O)N.P(=O)(O)(O)O.P(=O)(O)(O)O.P(=O)(O)(O)O LLDYDUXXNBDDFT-UHFFFAOYSA-N 0.000 claims description 7
- 239000000725 suspension Substances 0.000 claims description 7
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 6
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 claims description 6
- 229910000387 ammonium dihydrogen phosphate Inorganic materials 0.000 claims description 6
- 235000019837 monoammonium phosphate Nutrition 0.000 claims description 6
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 6
- 239000008139 complexing agent Substances 0.000 claims description 5
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 4
- 229910000360 iron(III) sulfate Inorganic materials 0.000 claims description 4
- 150000001412 amines Chemical class 0.000 claims description 3
- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 claims description 3
- 150000002895 organic esters Chemical class 0.000 claims description 3
- 239000007800 oxidant agent Substances 0.000 claims description 3
- LDMOEFOXLIZJOW-UHFFFAOYSA-N 1-dodecanesulfonic acid Chemical compound CCCCCCCCCCCCS(O)(=O)=O LDMOEFOXLIZJOW-UHFFFAOYSA-N 0.000 claims description 2
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 claims description 2
- 229910000388 diammonium phosphate Inorganic materials 0.000 claims description 2
- 235000019838 diammonium phosphate Nutrition 0.000 claims description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 2
- 229910000402 monopotassium phosphate Inorganic materials 0.000 claims description 2
- 235000019796 monopotassium phosphate Nutrition 0.000 claims description 2
- 229910000403 monosodium phosphate Inorganic materials 0.000 claims description 2
- 235000019799 monosodium phosphate Nutrition 0.000 claims description 2
- 229940085991 phosphate ion Drugs 0.000 claims description 2
- 235000011007 phosphoric acid Nutrition 0.000 claims description 2
- PJNZPQUBCPKICU-UHFFFAOYSA-N phosphoric acid;potassium Chemical compound [K].OP(O)(O)=O PJNZPQUBCPKICU-UHFFFAOYSA-N 0.000 claims description 2
- 229920002401 polyacrylamide Polymers 0.000 claims description 2
- AJPJDKMHJJGVTQ-UHFFFAOYSA-M sodium dihydrogen phosphate Chemical compound [Na+].OP(O)([O-])=O AJPJDKMHJJGVTQ-UHFFFAOYSA-M 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 abstract description 9
- 238000002425 crystallisation Methods 0.000 abstract description 9
- 230000008025 crystallization Effects 0.000 abstract description 9
- 238000001556 precipitation Methods 0.000 abstract description 2
- 238000003756 stirring Methods 0.000 description 23
- 238000001914 filtration Methods 0.000 description 18
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 description 13
- 238000005406 washing Methods 0.000 description 13
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 12
- 239000007788 liquid Substances 0.000 description 9
- 238000004806 packaging method and process Methods 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 238000001704 evaporation Methods 0.000 description 8
- 230000008020 evaporation Effects 0.000 description 8
- 239000012065 filter cake Substances 0.000 description 8
- 239000000706 filtrate Substances 0.000 description 8
- 239000003795 chemical substances by application Substances 0.000 description 7
- 238000004062 sedimentation Methods 0.000 description 6
- 238000007885 magnetic separation Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 4
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 4
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 4
- 235000011130 ammonium sulphate Nutrition 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 238000006722 reduction reaction Methods 0.000 description 4
- 239000010936 titanium Substances 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 229910010298 TiOSO4 Inorganic materials 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- 235000011114 ammonium hydroxide Nutrition 0.000 description 2
- 238000005056 compaction Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005188 flotation Methods 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 229910017604 nitric acid Inorganic materials 0.000 description 2
- 239000002243 precursor Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000001878 scanning electron micrograph Methods 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 230000002194 synthesizing effect Effects 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- BZSXEZOLBIJVQK-UHFFFAOYSA-N 2-methylsulfonylbenzoic acid Chemical compound CS(=O)(=O)C1=CC=CC=C1C(O)=O BZSXEZOLBIJVQK-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 229910010710 LiFePO Inorganic materials 0.000 description 1
- 229910052493 LiFePO4 Inorganic materials 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 239000010405 anode material Substances 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000010406 cathode material Substances 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-M dihydrogenphosphate Chemical compound OP(O)([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-M 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 1
- FBAFATDZDUQKNH-UHFFFAOYSA-M iron chloride Chemical compound [Cl-].[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-M 0.000 description 1
- YDZQQRWRVYGNER-UHFFFAOYSA-N iron;titanium;trihydrate Chemical compound O.O.O.[Ti].[Fe] YDZQQRWRVYGNER-UHFFFAOYSA-N 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 125000003396 thiol group Chemical group [H]S* 0.000 description 1
- DCXXMTOCNZCJGO-UHFFFAOYSA-N tristearoylglycerol Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(OC(=O)CCCCCCCCCCCCCCCCC)COC(=O)CCCCCCCCCCCCCCCCC DCXXMTOCNZCJGO-UHFFFAOYSA-N 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Images
Classifications
-
- 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
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
-
- 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
- C01P2006/11—Powder tap density
-
- 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
-
- 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
- C01P2006/82—Compositional purity water content
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Primary Cells (AREA)
Abstract
Description
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910800696.9A CN110482514B (zh) | 2019-08-28 | 2019-08-28 | 一种电池级无水磷酸铁的制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910800696.9A CN110482514B (zh) | 2019-08-28 | 2019-08-28 | 一种电池级无水磷酸铁的制备方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN110482514A CN110482514A (zh) | 2019-11-22 |
CN110482514B true CN110482514B (zh) | 2021-12-03 |
Family
ID=68554695
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201910800696.9A Active CN110482514B (zh) | 2019-08-28 | 2019-08-28 | 一种电池级无水磷酸铁的制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN110482514B (zh) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111333047A (zh) * | 2020-01-09 | 2020-06-26 | 瓮福(集团)有限责任公司 | 一种利用钛白粉副产品硫酸亚铁合成高纯磷酸铁的方法 |
CN111847415A (zh) * | 2020-07-21 | 2020-10-30 | 合肥国轩高科动力能源有限公司 | 一种电池级正磷酸铁及其制备方法和应用 |
CN111908440B (zh) * | 2020-07-31 | 2022-10-18 | 南京工业大学 | 一种氟虫腈废盐与钛白粉副产物硫酸亚铁的资源化集成利用方法 |
CN111777049A (zh) * | 2020-07-31 | 2020-10-16 | 湖北融通高科先进材料有限公司 | 一种利用混合铁源制备磷酸铁的方法 |
CN112479174A (zh) * | 2020-11-09 | 2021-03-12 | 湖南雅城新材料有限公司 | 一种利用钛白副产物硫酸亚铁合成磷酸铁的方法 |
CN112408351A (zh) * | 2020-11-23 | 2021-02-26 | 中钢集团南京新材料研究院有限公司 | 一种高压实磷酸铁的制备方法及磷酸铁锂 |
CN112624076B (zh) * | 2020-12-15 | 2022-12-13 | 广东邦普循环科技有限公司 | 一种磷酸铁的制备方法及其应用 |
CN113562711B (zh) * | 2021-07-19 | 2023-12-12 | 广东邦普循环科技有限公司 | 磷酸铁及其制备方法和应用 |
CN113816354B (zh) * | 2021-11-04 | 2023-05-26 | 四川省盈达锂电新材料有限公司 | 一种利用钛白粉生产过程中废弃物制备磷酸铁的方法 |
CN114516625A (zh) * | 2022-03-23 | 2022-05-20 | 华东理工大学 | 一种磷酸铁及其制备方法和应用 |
CN115140721B (zh) * | 2022-05-24 | 2024-03-12 | 抚州润泰药业有限公司 | 副产物硫酸亚铁与副产物磷酸合成电池级磷酸铁的方法 |
CN115010185A (zh) * | 2022-06-10 | 2022-09-06 | 马钢(合肥)钢铁有限责任公司 | 一种电池级氯化亚铁的生产方法 |
CN115432687B (zh) * | 2022-09-20 | 2023-12-15 | 荆门市格林美新材料有限公司 | 一种磷酸铁锂材料的制备方法 |
CN115557479A (zh) * | 2022-10-13 | 2023-01-03 | 德阳川发龙蟒新材料有限公司 | 利用粗磷酸锂和粗磷酸制备电池级磷酸锂的方法 |
CN116281915A (zh) * | 2023-02-22 | 2023-06-23 | 宜都兴发化工有限公司 | 低成本电池级磷酸铁及磷酸铁锂的制备方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107902637A (zh) * | 2017-12-19 | 2018-04-13 | 贵州大龙汇成新材料有限公司 | 一种高纯磷酸铁的生产方法 |
CN109368610A (zh) * | 2018-10-09 | 2019-02-22 | 湖南雅城新材料有限公司 | 一种利用硫铁矿烧渣制备高铁磷比磷酸铁的方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102088080B (zh) * | 2011-01-07 | 2013-01-02 | 中南大学 | 一种制备磷酸盐系列锂离子电池正极材料的方法 |
CN105206833A (zh) * | 2015-08-31 | 2015-12-30 | 无锡市嘉邦电力管道厂 | 一种复合型磷酸盐系列锂离子电池正极材料的制备方法 |
-
2019
- 2019-08-28 CN CN201910800696.9A patent/CN110482514B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107902637A (zh) * | 2017-12-19 | 2018-04-13 | 贵州大龙汇成新材料有限公司 | 一种高纯磷酸铁的生产方法 |
CN109368610A (zh) * | 2018-10-09 | 2019-02-22 | 湖南雅城新材料有限公司 | 一种利用硫铁矿烧渣制备高铁磷比磷酸铁的方法 |
Also Published As
Publication number | Publication date |
---|---|
CN110482514A (zh) | 2019-11-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN110482514B (zh) | 一种电池级无水磷酸铁的制备方法 | |
CN111924817B (zh) | 一种利用废旧磷酸铁锂正极材料综合利用的方法 | |
CN106542512B (zh) | 利用废旧电池的锂废液的高纯度磷酸锂制备方法 | |
CA2698550C (en) | Iron(iii) orthophosphate for li ion accumulators | |
CN110683528B (zh) | 一种磷酸铁废料的再生方法 | |
WO2022242186A1 (zh) | 利用磷铁废料制备高纯度磷酸铁的方法 | |
CN113443640B (zh) | 一种利用磷酸铁锂电池正负极废粉制备电池级碳酸锂和电池级磷酸铁的方法 | |
CN112624076A (zh) | 一种磷酸铁的制备方法及其应用 | |
CN114349030B (zh) | 一种磷酸铁锂废旧正极片的综合湿法回收利用方法 | |
CN110342483B (zh) | 一种利用磷酸锂废料制备电池级磷酸铁的方法 | |
CN113772650B (zh) | 一种磷酸铁锂的制备方法和用途 | |
CN114348984A (zh) | 一种利用钛白副产制备纳米磷酸铁、纳米磷酸亚铁的方法 | |
CN114906829B (zh) | 一种采用农业级湿法磷酸制备电池级磷酸铁的方法 | |
CN109628953B (zh) | 一种铜电解液中去除砷锑铋的方法 | |
WO2023142677A1 (zh) | 掺杂型磷酸铁及其制备方法和应用 | |
CN114516625A (zh) | 一种磷酸铁及其制备方法和应用 | |
KR101973475B1 (ko) | 황산리튬과 저순도 수산화바륨을 이용한 입도가 조절된 고순도 탄산리튬의 제조방법 | |
CN113184821A (zh) | 一种利用含铁渣制备磷酸铁的方法 | |
CN112573497A (zh) | 一种利用三氧化二铁制备磷酸铁的方法 | |
CN115709979B (zh) | 一种以高铁锰矿为原料制备电池级磷酸锰铁的方法 | |
CN110713197B (zh) | 一种从水热法制备磷酸铁锂产生的母液中回收锂盐的方法 | |
CN115784188A (zh) | 回收制备电池级磷酸铁的方法 | |
CN110562946A (zh) | 一种电池级片状结构无水磷酸铁及其制备方法 | |
CN110562947A (zh) | 一种阳离子金属除杂剂及其应用 | |
CN113896181B (zh) | 一种生产低成本纳米电池级磷酸铁的方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder |
Address after: 233700 north of jingsan road and Xiwei 8th Road, Guzhen County Economic Development Zone, Bengbu City, Anhui Province Patentee after: Anhui Fengyuan lithium battery energy Co.,Ltd. Patentee after: Shanghai Haiyuan silicon material technology Co.,Ltd. Address before: 233700 north of jingsan road and Xiwei 8th Road, Guzhen County Economic Development Zone, Bengbu City, Anhui Province Patentee before: Anhui Chang source new materials Limited by Share Ltd. Patentee before: Shanghai Haiyuan silicon material technology Co.,Ltd. |
|
CP01 | Change in the name or title of a patent holder | ||
PP01 | Preservation of patent right |
Effective date of registration: 20240506 Granted publication date: 20211203 |