CN110642235A - 一种核壳结构电池级无水磷酸铁的制备方法 - Google Patents
一种核壳结构电池级无水磷酸铁的制备方法 Download PDFInfo
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- CN110642235A CN110642235A CN201911019972.4A CN201911019972A CN110642235A CN 110642235 A CN110642235 A CN 110642235A CN 201911019972 A CN201911019972 A CN 201911019972A CN 110642235 A CN110642235 A CN 110642235A
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- iron phosphate
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- WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical compound [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 title claims abstract description 45
- 229910000398 iron phosphate Inorganic materials 0.000 title claims abstract description 43
- 239000011258 core-shell material Substances 0.000 title claims abstract description 25
- 238000002360 preparation method Methods 0.000 title claims abstract description 23
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 40
- 239000002131 composite material Substances 0.000 claims abstract description 38
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims abstract description 30
- 239000000843 powder Substances 0.000 claims abstract description 21
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 20
- 238000003756 stirring Methods 0.000 claims abstract description 19
- 239000004094 surface-active agent Substances 0.000 claims abstract description 19
- 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 abstract description 17
- 229910000360 iron(III) sulfate Inorganic materials 0.000 claims abstract description 17
- FPCJKVGGYOAWIZ-UHFFFAOYSA-N butan-1-ol;titanium Chemical compound [Ti].CCCCO.CCCCO.CCCCO.CCCCO FPCJKVGGYOAWIZ-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000001914 filtration Methods 0.000 claims abstract description 13
- 238000005406 washing Methods 0.000 claims abstract description 13
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000010438 heat treatment Methods 0.000 claims abstract description 12
- 239000010936 titanium Substances 0.000 claims abstract description 12
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 12
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000004202 carbamide Substances 0.000 claims abstract description 8
- 238000003421 catalytic decomposition reaction Methods 0.000 claims abstract description 8
- 238000001035 drying Methods 0.000 claims abstract description 8
- 238000006243 chemical reaction Methods 0.000 claims abstract description 7
- 239000000428 dust Substances 0.000 claims abstract description 7
- 239000003054 catalyst Substances 0.000 claims description 31
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 28
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 19
- 229910052759 nickel Inorganic materials 0.000 claims description 14
- 238000002156 mixing Methods 0.000 claims description 13
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 12
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 claims description 12
- 229910052742 iron Inorganic materials 0.000 claims description 10
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 7
- 229910052739 hydrogen Inorganic materials 0.000 claims description 7
- 239000001257 hydrogen Substances 0.000 claims description 7
- 238000003825 pressing Methods 0.000 claims description 7
- 229910021586 Nickel(II) chloride Inorganic materials 0.000 claims description 6
- VBIXEXWLHSRNKB-UHFFFAOYSA-N ammonium oxalate Chemical compound [NH4+].[NH4+].[O-]C(=O)C([O-])=O VBIXEXWLHSRNKB-UHFFFAOYSA-N 0.000 claims description 6
- ZCLVNIZJEKLGFA-UHFFFAOYSA-H bis(4,5-dioxo-1,3,2-dioxalumolan-2-yl) oxalate Chemical compound [Al+3].[Al+3].[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O ZCLVNIZJEKLGFA-UHFFFAOYSA-H 0.000 claims description 6
- 238000000975 co-precipitation Methods 0.000 claims description 6
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical group [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 claims description 6
- QMMRZOWCJAIUJA-UHFFFAOYSA-L nickel dichloride Chemical compound Cl[Ni]Cl QMMRZOWCJAIUJA-UHFFFAOYSA-L 0.000 claims description 6
- DOLZKNFSRCEOFV-UHFFFAOYSA-L nickel(2+);oxalate Chemical compound [Ni+2].[O-]C(=O)C([O-])=O DOLZKNFSRCEOFV-UHFFFAOYSA-L 0.000 claims description 6
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 2
- 239000002002 slurry Substances 0.000 claims 1
- 239000013078 crystal Substances 0.000 abstract description 2
- 238000001556 precipitation Methods 0.000 abstract description 2
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 6
- 238000005056 compaction Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 239000002243 precursor Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- 229910000358 iron sulfate Inorganic materials 0.000 description 3
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 239000011574 phosphorus Substances 0.000 description 3
- 238000001878 scanning electron micrograph Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 239000005955 Ferric phosphate Substances 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 2
- 229940032958 ferric phosphate Drugs 0.000 description 2
- -1 iron ions Chemical class 0.000 description 2
- 229910000399 iron(III) phosphate Inorganic materials 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 239000010452 phosphate Substances 0.000 description 2
- 238000010532 solid phase synthesis reaction Methods 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000010406 cathode material Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 229940062993 ferrous oxalate Drugs 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000003837 high-temperature calcination Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 150000002505 iron Chemical class 0.000 description 1
- OWZIYWAUNZMLRT-UHFFFAOYSA-L iron(2+);oxalate Chemical compound [Fe+2].[O-]C(=O)C([O-])=O OWZIYWAUNZMLRT-UHFFFAOYSA-L 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000011164 primary particle Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
- B01J13/02—Making microcapsules or microballoons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/74—Iron group metals
- B01J23/755—Nickel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
- B01J35/61—Surface area
- B01J35/612—Surface area less than 10 m2/g
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- 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
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G23/00—Compounds of titanium
- C01G23/04—Oxides; Hydroxides
- C01G23/047—Titanium dioxide
- C01G23/07—Producing by vapour phase processes, e.g. halide oxidation
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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
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/362—Composites
- H01M4/366—Composites as layered products
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- H—ELECTRICITY
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- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
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- 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
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Abstract
Description
指标 | BET | C | Ti | D10 | D50 | D90 | 松装密度 |
数值 | 39.2m<sup>2</sup>/g | 46.7% | 27.8% | 0.56μm | 2.5μm | 8.45μm | 0.22g/mL |
指标 | 铁磷比 | 水分 | D10 | D50 | D90 |
数值 | 0.989 | 0.365% | 2.52μm | 5.78μm | 13.35μm |
松装密度 | Cd | Co | Pb | Ca | Na |
0.49g/mL | 3.2ppm | 6.6ppm | 1.7ppm | 21.8ppm | 13.8ppm |
振实密度 | 硫酸根 | 氯离子 | BET | Ti | C |
0.87g/mL | 7.2ppm | 6.1ppm | 29.2m<sup>2</sup>/g | 2131ppm | 3857ppm |
指标 | 铁磷比 | 水分 | D10 | D50 | D90 |
数值 | 0.984 | 0.315% | 2.9μm | 6.5μm | 15.4μm |
松装密度 | Cd | Co | Pb | Ca | Na |
0.46g/mL | 2.1ppm | 6.1ppm | 1.1ppm | 19.6ppm | 11.8ppm |
振实密度 | 硫酸根 | 氯离子 | BET | Ti | C |
0.82g/mL | 11.2ppm | 6.9ppm | 32.2m<sup>2</sup>/g | 1417ppm | 2554ppm |
指标 | 铁磷比 | 水分 | D10 | D50 | D90 |
数值 | 0.992 | 0.268% | 2.8μm | 6.1μm | 15.9μm |
松装密度 | Cd | Co | Pb | Ca | Na |
0.44g/mL | 1.8ppm | 5.1ppm | 1.1ppm | 18.5ppm | 10.8ppm |
振实密度 | 硫酸根 | 氯离子 | BET | Ti | C |
0.82g/mL | 14.7ppm | 4.1ppm | 31.2m<sup>2</sup>/g | 1705ppm | 3021ppm |
实施例1 | 实施例2 | 实施例3 | 常规磷酸铁1 | 常规磷酸铁2 | |
碳含量 | 1.73% | 1.72% | 1.72% | 1.73% | 1.73% |
钛含量 | 2015ppm | 1339ppm | 1614ppm | 2037ppm | 1589ppm |
BET | 14.7m<sup>2</sup>/g | 14.5m<sup>2</sup>/g | 14.8m<sup>2</sup>/g | 14.1m<sup>2</sup>/g | 14.2m<sup>2</sup>/g |
粉末内阻(压力为4MPa) | 21Ω.cm | 18.6Ω.cm | 19.3Ω.cm | 68.3Ω.cm | 56.3Ω.cm |
粉末内阻(压力为10MPa) | 14.9Ω.cm | 14.1Ω.cm | 14.5Ω.cm | 46.5Ω.cm | 38.3Ω.cm |
粉末内阻(压力为20MPa) | 12.1Ω.cm | 11.5Ω.cm | 11.8Ω.cm | 39.2Ω.cm | 28.7Ω.cm |
压实密度 | 2.46g/mL | 2.54g/mL | 2.49g/mL | 2.48g/mL | 2.55g/mL |
Claims (6)
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Cited By (2)
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CN111224084A (zh) * | 2020-01-13 | 2020-06-02 | 合肥国轩高科动力能源有限公司 | 一种磷酸铁锂/硅酸锂复合材料及其制备方法、应用 |
CN112239227A (zh) * | 2020-10-29 | 2021-01-19 | 龙蟒佰利联集团股份有限公司 | 一种导电钛白粉的制备方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102420324A (zh) * | 2011-03-23 | 2012-04-18 | 上海中兴派能能源科技有限公司 | 纳米核壳结构的磷酸铁锂正极材料及其制备方法 |
CN103367724A (zh) * | 2013-07-26 | 2013-10-23 | 烟台卓能电池材料有限公司 | 一种核壳结构的磷酸铁锂电池材料及其制备方法 |
CN106744774A (zh) * | 2017-01-24 | 2017-05-31 | 贵州大学 | 一种电池级微孔球状磷酸铁的制备方法 |
CN107565132A (zh) * | 2017-08-24 | 2018-01-09 | 高延敏 | 磷酸铁的制备方法及其制备的磷酸铁、磷酸铁锂的制备方法及其制备的磷酸铁锂以及锂电池 |
CN108529583A (zh) * | 2018-06-26 | 2018-09-14 | 方嘉城 | 一种电池级大比表面积磷酸铁的制备工艺 |
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102420324A (zh) * | 2011-03-23 | 2012-04-18 | 上海中兴派能能源科技有限公司 | 纳米核壳结构的磷酸铁锂正极材料及其制备方法 |
CN103367724A (zh) * | 2013-07-26 | 2013-10-23 | 烟台卓能电池材料有限公司 | 一种核壳结构的磷酸铁锂电池材料及其制备方法 |
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