CN109461931A - 一种无废水排放的磷酸铁锂前驱体的制备方法 - Google Patents
一种无废水排放的磷酸铁锂前驱体的制备方法 Download PDFInfo
- Publication number
- CN109461931A CN109461931A CN201811039634.2A CN201811039634A CN109461931A CN 109461931 A CN109461931 A CN 109461931A CN 201811039634 A CN201811039634 A CN 201811039634A CN 109461931 A CN109461931 A CN 109461931A
- Authority
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- China
- Prior art keywords
- ferric
- preparation
- wastewater discharge
- mixed liquor
- lithium phosphate
- 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.)
- Granted
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- 238000002360 preparation method Methods 0.000 title claims abstract description 53
- 239000002243 precursor Substances 0.000 title claims abstract description 46
- 229910001386 lithium phosphate Inorganic materials 0.000 title claims abstract description 41
- TWQULNDIKKJZPH-UHFFFAOYSA-K trilithium;phosphate Chemical compound [Li+].[Li+].[Li+].[O-]P([O-])([O-])=O TWQULNDIKKJZPH-UHFFFAOYSA-K 0.000 title claims abstract description 41
- 239000002351 wastewater Substances 0.000 title claims abstract description 35
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims abstract description 102
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims abstract description 51
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 39
- DQMUQFUTDWISTM-UHFFFAOYSA-N O.[O-2].[Fe+2].[Fe+2].[O-2] Chemical compound O.[O-2].[Fe+2].[Fe+2].[O-2] DQMUQFUTDWISTM-UHFFFAOYSA-N 0.000 claims abstract description 38
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical compound [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 claims abstract description 36
- 239000005955 Ferric phosphate Substances 0.000 claims abstract description 35
- 229910000399 iron(III) phosphate Inorganic materials 0.000 claims abstract description 35
- 229940032958 ferric phosphate Drugs 0.000 claims abstract description 34
- 238000010438 heat treatment Methods 0.000 claims abstract description 29
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000002041 carbon nanotube Substances 0.000 claims abstract description 26
- 230000001376 precipitating effect Effects 0.000 claims abstract description 24
- 229910021393 carbon nanotube Inorganic materials 0.000 claims abstract description 23
- 239000008367 deionised water Substances 0.000 claims abstract description 21
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 21
- 239000002002 slurry Substances 0.000 claims abstract description 20
- 239000002270 dispersing agent Substances 0.000 claims abstract description 18
- 238000000926 separation method Methods 0.000 claims abstract description 15
- 238000006243 chemical reaction Methods 0.000 claims abstract description 12
- 239000006185 dispersion Substances 0.000 claims abstract description 11
- 238000001816 cooling Methods 0.000 claims abstract description 8
- 238000003756 stirring Methods 0.000 claims abstract description 5
- 239000000243 solution Substances 0.000 claims description 46
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 32
- 239000000843 powder Substances 0.000 claims description 20
- 229910001868 water Inorganic materials 0.000 claims description 18
- 229910052742 iron Inorganic materials 0.000 claims description 15
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 15
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 13
- 238000002156 mixing Methods 0.000 claims description 13
- 229910052698 phosphorus Inorganic materials 0.000 claims description 13
- 239000011574 phosphorus Substances 0.000 claims description 13
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 12
- 229910001928 zirconium oxide Inorganic materials 0.000 claims description 12
- 238000000498 ball milling Methods 0.000 claims description 10
- 238000010790 dilution Methods 0.000 claims description 10
- 239000012895 dilution Substances 0.000 claims description 10
- MRVHOJHOBHYHQL-UHFFFAOYSA-M lithium metaphosphate Chemical group [Li+].[O-]P(=O)=O MRVHOJHOBHYHQL-UHFFFAOYSA-M 0.000 claims description 9
- 238000000875 high-speed ball milling Methods 0.000 claims description 7
- 238000001238 wet grinding Methods 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 3
- 238000009837 dry grinding Methods 0.000 claims description 3
- 238000007873 sieving Methods 0.000 claims description 3
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 claims 2
- 238000000034 method Methods 0.000 abstract description 21
- 230000008569 process Effects 0.000 abstract description 14
- 150000002500 ions Chemical class 0.000 abstract description 12
- 239000000047 product Substances 0.000 abstract description 12
- 239000002994 raw material Substances 0.000 abstract description 11
- 229910052744 lithium Inorganic materials 0.000 abstract description 10
- 239000006227 byproduct Substances 0.000 abstract description 5
- 238000001027 hydrothermal synthesis Methods 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 239000000203 mixture Substances 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 21
- JEIPFZHSYJVQDO-UHFFFAOYSA-N ferric oxide Chemical compound O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 14
- 229910010707 LiFePO 4 Inorganic materials 0.000 description 12
- 238000005406 washing Methods 0.000 description 11
- 239000012535 impurity Substances 0.000 description 10
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 239000006228 supernatant Substances 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 229910052493 LiFePO4 Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 235000011114 ammonium hydroxide Nutrition 0.000 description 3
- 229910000388 diammonium phosphate Inorganic materials 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- VCJMYUPGQJHHFU-UHFFFAOYSA-N iron(III) nitrate Inorganic materials [Fe+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O VCJMYUPGQJHHFU-UHFFFAOYSA-N 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 2
- 206010013786 Dry skin Diseases 0.000 description 2
- 229910002651 NO3 Inorganic materials 0.000 description 2
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 2
- 241000209094 Oryza Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 2
- 239000000908 ammonium hydroxide Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 235000013339 cereals Nutrition 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910000398 iron phosphate Inorganic materials 0.000 description 2
- 231100000252 nontoxic Toxicity 0.000 description 2
- 230000003000 nontoxic effect Effects 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 229910052726 zirconium Inorganic materials 0.000 description 2
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 description 1
- 229910010710 LiFePO Inorganic materials 0.000 description 1
- UEZVMMHDMIWARA-UHFFFAOYSA-N Metaphosphoric acid Chemical compound OP(=O)=O UEZVMMHDMIWARA-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 102000006335 Phosphate-Binding Proteins Human genes 0.000 description 1
- 108010058514 Phosphate-Binding Proteins Proteins 0.000 description 1
- ZSYNKHJUSDFTCQ-UHFFFAOYSA-N [Li].[Fe].P(O)(O)(O)=O Chemical compound [Li].[Fe].P(O)(O)(O)=O ZSYNKHJUSDFTCQ-UHFFFAOYSA-N 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 239000010405 anode material Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- IDGUHHHQCWSQLU-UHFFFAOYSA-N ethanol;hydrate Chemical compound O.CCO IDGUHHHQCWSQLU-UHFFFAOYSA-N 0.000 description 1
- VEPSWGHMGZQCIN-UHFFFAOYSA-H ferric oxalate Chemical compound [Fe+3].[Fe+3].[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O VEPSWGHMGZQCIN-UHFFFAOYSA-H 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
- 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 description 1
- 229910000360 iron(III) sulfate Inorganic materials 0.000 description 1
- 229910052808 lithium carbonate Inorganic materials 0.000 description 1
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical group 0.000 description 1
- -1 metaphosphoric acid radical Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000010189 synthetic method Methods 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Classifications
-
- 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
- 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
-
- 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)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
Claims (10)
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CN201811039634.2A CN109461931B (zh) | 2018-09-06 | 2018-09-06 | 一种无废水排放的磷酸铁锂前驱体的制备方法 |
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CN201811039634.2A CN109461931B (zh) | 2018-09-06 | 2018-09-06 | 一种无废水排放的磷酸铁锂前驱体的制备方法 |
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CN109461931A true CN109461931A (zh) | 2019-03-12 |
CN109461931B CN109461931B (zh) | 2021-08-06 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111348637A (zh) * | 2020-03-24 | 2020-06-30 | 广东邦普循环科技有限公司 | 一种纳米磷酸铁锂及其制备方法 |
CN111559738A (zh) * | 2020-06-23 | 2020-08-21 | 中南大学 | 一种诱导合成磷酸铁的方法 |
CN114180547A (zh) * | 2021-12-31 | 2022-03-15 | 常州锂源新能源科技有限公司 | 一种低成本高功率型磷酸铁锂的制备方法 |
WO2023221213A1 (zh) * | 2022-05-18 | 2023-11-23 | 四川大学 | 一种采用氧化铁和稀磷酸制备电池级磷酸铁的方法 |
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JP2011204638A (ja) * | 2010-03-26 | 2011-10-13 | Mitsubishi Materials Corp | Liイオン電池用正極活物質、およびその製造方法 |
CN103274383A (zh) * | 2013-05-20 | 2013-09-04 | 南京大学 | 一种形貌可控的电池级磷酸铁及其制备方法 |
CN103380080A (zh) * | 2011-01-25 | 2013-10-30 | 化学制造布敦海姆两合公司 | 正磷酸铁(iii)-碳复合物 |
CN106006597A (zh) * | 2016-05-24 | 2016-10-12 | 四川大学 | 一种由磷铁低温制备含FexPO4物质的方法 |
CN106829906A (zh) * | 2017-03-13 | 2017-06-13 | 成都育芽科技有限公司 | 一种新能源用电池级磷酸铁的制备方法 |
-
2018
- 2018-09-06 CN CN201811039634.2A patent/CN109461931B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2011204638A (ja) * | 2010-03-26 | 2011-10-13 | Mitsubishi Materials Corp | Liイオン電池用正極活物質、およびその製造方法 |
CN103380080A (zh) * | 2011-01-25 | 2013-10-30 | 化学制造布敦海姆两合公司 | 正磷酸铁(iii)-碳复合物 |
CN103274383A (zh) * | 2013-05-20 | 2013-09-04 | 南京大学 | 一种形貌可控的电池级磷酸铁及其制备方法 |
CN106006597A (zh) * | 2016-05-24 | 2016-10-12 | 四川大学 | 一种由磷铁低温制备含FexPO4物质的方法 |
CN106829906A (zh) * | 2017-03-13 | 2017-06-13 | 成都育芽科技有限公司 | 一种新能源用电池级磷酸铁的制备方法 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111348637A (zh) * | 2020-03-24 | 2020-06-30 | 广东邦普循环科技有限公司 | 一种纳米磷酸铁锂及其制备方法 |
CN111559738A (zh) * | 2020-06-23 | 2020-08-21 | 中南大学 | 一种诱导合成磷酸铁的方法 |
CN111559738B (zh) * | 2020-06-23 | 2022-01-11 | 中南大学 | 一种诱导合成磷酸铁的方法 |
CN114180547A (zh) * | 2021-12-31 | 2022-03-15 | 常州锂源新能源科技有限公司 | 一种低成本高功率型磷酸铁锂的制备方法 |
WO2023221213A1 (zh) * | 2022-05-18 | 2023-11-23 | 四川大学 | 一种采用氧化铁和稀磷酸制备电池级磷酸铁的方法 |
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Effective date of registration: 20220315 Address after: C709-1, 7 / F, Institute of Tsinghua University, 019 Gaoxin South 7th Road, high tech Zone community, Yuehai street, Nanshan District, Shenzhen, Guangdong 518000 Patentee after: Shenzhen Qingyan Equipment Technology Co.,Ltd. Address before: 518000 Gaoxin South 7th Road, South District, high tech Industrial Park, Nanshan District, Shenzhen City, Guangdong Province Patentee before: RESEARCH INSTITUTE OF TSINGHUA University IN SHENZHEN |
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Address after: C709-1, 7 / F, Institute of Tsinghua University, 019 Gaoxin South 7th Road, high tech Zone community, Yuehai street, Nanshan District, Shenzhen, Guangdong 518000 Patentee after: Shenzhen Qingyan Lithium Industry Technology Co.,Ltd. Address before: C709-1, 7 / F, Institute of Tsinghua University, 019 Gaoxin South 7th Road, high tech Zone community, Yuehai street, Nanshan District, Shenzhen, Guangdong 518000 Patentee before: Shenzhen Qingyan Equipment Technology Co.,Ltd. |
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