CN102464309B - Novel method for preparing lithium iron phosphate complex salt positive electrode materials from scrap iron, phosphoric acid and lithium hydroxide - Google Patents
Novel method for preparing lithium iron phosphate complex salt positive electrode materials from scrap iron, phosphoric acid and lithium hydroxide Download PDFInfo
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- CN102464309B CN102464309B CN201010553079.2A CN201010553079A CN102464309B CN 102464309 B CN102464309 B CN 102464309B CN 201010553079 A CN201010553079 A CN 201010553079A CN 102464309 B CN102464309 B CN 102464309B
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- phosphoric acid
- lithium
- solution
- iron
- lithium hydroxide
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- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 title claims abstract description 160
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 98
- 229910000147 aluminium phosphate Inorganic materials 0.000 title claims abstract description 80
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 title claims abstract description 75
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 45
- 238000000034 method Methods 0.000 title claims abstract description 26
- 150000003839 salts Chemical class 0.000 title abstract description 9
- 239000007774 positive electrode material Substances 0.000 title abstract description 5
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 title abstract 4
- 239000000843 powder Substances 0.000 claims abstract description 28
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims abstract description 26
- 230000003647 oxidation Effects 0.000 claims abstract description 17
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 17
- 238000006243 chemical reaction Methods 0.000 claims abstract description 16
- 238000003756 stirring Methods 0.000 claims abstract description 15
- 239000002243 precursor Substances 0.000 claims abstract description 12
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000000197 pyrolysis Methods 0.000 claims abstract description 10
- 230000008569 process Effects 0.000 claims abstract description 9
- 238000002425 crystallisation Methods 0.000 claims abstract description 8
- 230000008025 crystallization Effects 0.000 claims abstract description 8
- 239000002244 precipitate Substances 0.000 claims abstract description 6
- BMTOKWDUYJKSCN-UHFFFAOYSA-K iron(3+);phosphate;dihydrate Chemical compound O.O.[Fe+3].[O-]P([O-])([O-])=O BMTOKWDUYJKSCN-UHFFFAOYSA-K 0.000 claims description 27
- 229910052744 lithium Inorganic materials 0.000 claims description 27
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 26
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims description 22
- 239000000126 substance Substances 0.000 claims description 21
- 238000005406 washing Methods 0.000 claims description 15
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 13
- 239000001257 hydrogen Substances 0.000 claims description 13
- 229910052739 hydrogen Inorganic materials 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 12
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 12
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 10
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims description 10
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 claims description 10
- 229930006000 Sucrose Natural products 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 10
- 229910001416 lithium ion Inorganic materials 0.000 claims description 10
- 239000006210 lotion Substances 0.000 claims description 10
- 239000012452 mother liquor Substances 0.000 claims description 10
- 239000005720 sucrose Substances 0.000 claims description 10
- 238000011160 research Methods 0.000 claims description 9
- 239000010405 anode material Substances 0.000 claims description 8
- 239000005955 Ferric phosphate Substances 0.000 claims description 7
- 229910019142 PO4 Inorganic materials 0.000 claims description 7
- 229940032958 ferric phosphate Drugs 0.000 claims description 7
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical compound [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 claims description 7
- 229910000399 iron(III) phosphate Inorganic materials 0.000 claims description 7
- 239000010452 phosphate Substances 0.000 claims description 7
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- 229910052786 argon Inorganic materials 0.000 claims description 5
- 239000007789 gas Substances 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 239000002120 nanofilm Substances 0.000 claims description 5
- 239000000376 reactant Substances 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 5
- 239000003595 mist Substances 0.000 claims description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 4
- 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 claims description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 2
- 229920002472 Starch Polymers 0.000 claims description 2
- 238000013019 agitation Methods 0.000 claims description 2
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 claims description 2
- 239000008103 glucose Substances 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 claims description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- 239000008107 starch Substances 0.000 claims description 2
- 235000019698 starch Nutrition 0.000 claims description 2
- 230000001502 supplementing effect Effects 0.000 claims description 2
- 238000012546 transfer Methods 0.000 claims description 2
- QVLTXCYWHPZMCA-UHFFFAOYSA-N po4-po4 Chemical compound OP(O)(O)=O.OP(O)(O)=O QVLTXCYWHPZMCA-UHFFFAOYSA-N 0.000 claims 1
- 239000012295 chemical reaction liquid Substances 0.000 abstract description 5
- 239000002245 particle Substances 0.000 abstract description 4
- 239000013078 crystal Substances 0.000 abstract description 2
- 239000007787 solid Substances 0.000 abstract 2
- 239000000725 suspension Substances 0.000 abstract 2
- 230000005484 gravity Effects 0.000 abstract 1
- 239000013081 microcrystal Substances 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 32
- 239000000463 material Substances 0.000 description 15
- -1 lithium hydroxide phosphate dihydrate iron Chemical compound 0.000 description 11
- 239000011572 manganese Substances 0.000 description 9
- 239000002699 waste material Substances 0.000 description 9
- 230000009467 reduction Effects 0.000 description 7
- 229910010710 LiFePO Inorganic materials 0.000 description 6
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 6
- 229910052748 manganese Inorganic materials 0.000 description 6
- 229940116007 ferrous phosphate Drugs 0.000 description 5
- 229910000155 iron(II) phosphate Inorganic materials 0.000 description 5
- 230000001590 oxidative effect Effects 0.000 description 5
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 description 4
- 238000011161 development Methods 0.000 description 4
- 229910001448 ferrous ion Inorganic materials 0.000 description 4
- SDEKDNPYZOERBP-UHFFFAOYSA-H iron(ii) phosphate Chemical compound [Fe+2].[Fe+2].[Fe+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O SDEKDNPYZOERBP-UHFFFAOYSA-H 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 4
- 239000012266 salt solution Substances 0.000 description 4
- 238000001228 spectrum Methods 0.000 description 4
- 208000015924 Lithiasis Diseases 0.000 description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-L Phosphate ion(2-) Chemical compound OP([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-L 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 238000005119 centrifugation Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- 229910001447 ferric ion Inorganic materials 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- DPTATFGPDCLUTF-UHFFFAOYSA-N phosphanylidyneiron Chemical compound [Fe]#P DPTATFGPDCLUTF-UHFFFAOYSA-N 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 239000011574 phosphorus Substances 0.000 description 3
- 239000000276 potassium ferrocyanide Substances 0.000 description 3
- 230000036632 reaction speed Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- XOGGUFAVLNCTRS-UHFFFAOYSA-N tetrapotassium;iron(2+);hexacyanide Chemical compound [K+].[K+].[K+].[K+].[Fe+2].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-] XOGGUFAVLNCTRS-UHFFFAOYSA-N 0.000 description 3
- 229910012851 LiCoO 2 Inorganic materials 0.000 description 2
- 229910015645 LiMn Inorganic materials 0.000 description 2
- 229910013290 LiNiO 2 Inorganic materials 0.000 description 2
- 229910001037 White iron Inorganic materials 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000007600 charging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010450 olivine Substances 0.000 description 2
- 229910052609 olivine Inorganic materials 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000005536 Jahn Teller effect Effects 0.000 description 1
- 229910010707 LiFePO 4 Inorganic materials 0.000 description 1
- 229910014689 LiMnO Inorganic materials 0.000 description 1
- 229910013716 LiNi Inorganic materials 0.000 description 1
- 229910001228 Li[Ni1/3Co1/3Mn1/3]O2 (NCM 111) Inorganic materials 0.000 description 1
- ALWLKPJUHXAWMB-UHFFFAOYSA-M [Fe+].C(C)C(COP(=O)(OCC(CCCC)CC)[O-])CCCC Chemical compound [Fe+].C(C)C(COP(=O)(OCC(CCCC)CC)[O-])CCCC ALWLKPJUHXAWMB-UHFFFAOYSA-M 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- JLLMDXDAVKMMEG-UHFFFAOYSA-N hydrogen peroxide phosphoric acid Chemical compound OO.OP(O)(O)=O JLLMDXDAVKMMEG-UHFFFAOYSA-N 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 150000002641 lithium Chemical class 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
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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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CN201010553079.2A CN102464309B (en) | 2010-11-19 | 2010-11-19 | Novel method for preparing lithium iron phosphate complex salt positive electrode materials from scrap iron, phosphoric acid and lithium hydroxide |
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CN201010553079.2A CN102464309B (en) | 2010-11-19 | 2010-11-19 | Novel method for preparing lithium iron phosphate complex salt positive electrode materials from scrap iron, phosphoric acid and lithium hydroxide |
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CN102464309A CN102464309A (en) | 2012-05-23 |
CN102464309B true CN102464309B (en) | 2014-06-11 |
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Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104817059B (en) * | 2015-04-29 | 2017-07-18 | 江西东华科技园有限责任公司 | A kind of method that battery-grade iron phosphate is prepared by iron powder and phosphatase reaction |
CN105480960B (en) * | 2015-12-29 | 2018-10-19 | 河北斯霖百特新能源科技有限公司 | Ferric phosphate preparation method |
CN107611427A (en) * | 2016-07-12 | 2018-01-19 | 南通亨利锂电新材料有限公司 | A kind of microstructure metal phosphate and preparation method thereof |
CN106517128A (en) * | 2016-11-08 | 2017-03-22 | 河南省净寰新能源科技有限公司 | Low-cost cell-grade ferric phosphate micro powder preparation method |
CN107032316A (en) * | 2017-06-12 | 2017-08-11 | 百川化工(如皋)有限公司 | A kind of preparation method of ferric phosphate |
CN107522187A (en) * | 2017-07-18 | 2017-12-29 | 江西悦安超细金属有限公司 | A kind of ferric phosphate and preparation method thereof |
CN107863531B (en) * | 2017-11-03 | 2020-04-28 | 山东科技大学 | Method for preparing lithium ion battery anode material by using siderite |
CN115818603B (en) * | 2022-12-02 | 2024-03-12 | 湖南顺华锂业有限公司 | Method for preparing battery grade ferric phosphate from lithium iron phosphate anode powder containing copper, aluminum and graphite through oxidizing and extracting lithium from residue |
CN116462173B (en) * | 2023-06-01 | 2024-08-27 | 云南云天化股份有限公司 | Method for preparing ferric phosphate by iron method |
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CN101237043A (en) * | 2008-01-31 | 2008-08-06 | 东北师范大学 | Method for making ferrous lithium phosphate/carbon compound material of high active disorderly ferric phosphate |
CN101355158B (en) * | 2008-09-17 | 2010-11-17 | 长沙矿冶研究院 | Lithium ion battery anode material LiFePO4Preparation method of (1) |
CN102447099B (en) * | 2010-10-09 | 2014-01-29 | 河南环宇集团有限公司 | New method for preparing lithium ferrous phosphate double-salt anode material by using iron chippings, phosphoric acid and lithium hydroxide |
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