CN107180960A - 一种碳包覆片层结构磷酸铁锂及其制备方法 - Google Patents
一种碳包覆片层结构磷酸铁锂及其制备方法 Download PDFInfo
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- CN107180960A CN107180960A CN201710426267.0A CN201710426267A CN107180960A CN 107180960 A CN107180960 A CN 107180960A CN 201710426267 A CN201710426267 A CN 201710426267A CN 107180960 A CN107180960 A CN 107180960A
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- 229910052493 LiFePO4 Inorganic materials 0.000 title claims abstract description 64
- 238000002360 preparation method Methods 0.000 title claims abstract description 22
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 21
- 239000011248 coating agent Substances 0.000 title claims abstract description 15
- 238000000576 coating method Methods 0.000 title claims abstract description 15
- 238000006243 chemical reaction Methods 0.000 claims abstract description 38
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000012295 chemical reaction liquid Substances 0.000 claims abstract description 19
- 238000001027 hydrothermal synthesis Methods 0.000 claims abstract description 15
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000007788 liquid Substances 0.000 claims abstract description 8
- 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 abstract description 7
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims abstract description 7
- 239000012299 nitrogen atmosphere Substances 0.000 claims abstract description 7
- 238000003756 stirring Methods 0.000 claims abstract description 7
- NJMWOUFKYKNWDW-UHFFFAOYSA-N 1-ethyl-3-methylimidazolium Chemical compound CCN1C=C[N+](C)=C1 NJMWOUFKYKNWDW-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000008103 glucose Substances 0.000 claims abstract description 6
- 238000005406 washing Methods 0.000 claims abstract description 6
- 229910052603 melanterite Inorganic materials 0.000 claims abstract description 3
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 claims abstract 8
- -1 glyoxaline ion Chemical class 0.000 claims abstract 5
- 239000013049 sediment Substances 0.000 claims abstract 3
- 238000001035 drying Methods 0.000 claims abstract 2
- 238000001354 calcination Methods 0.000 claims description 6
- 238000000227 grinding Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 14
- 229910001416 lithium ion Inorganic materials 0.000 abstract description 13
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 abstract description 12
- 239000002245 particle Substances 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 10
- 239000002904 solvent Substances 0.000 abstract description 10
- 239000000463 material Substances 0.000 abstract description 5
- 230000005012 migration Effects 0.000 abstract description 3
- 238000013508 migration Methods 0.000 abstract description 3
- 238000005253 cladding Methods 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 22
- 230000000052 comparative effect Effects 0.000 description 17
- 239000000047 product Substances 0.000 description 13
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 8
- 150000001875 compounds Chemical class 0.000 description 8
- 239000012065 filter cake Substances 0.000 description 8
- 239000007864 aqueous solution Substances 0.000 description 6
- 238000001228 spectrum Methods 0.000 description 6
- 229910052744 lithium Inorganic materials 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 4
- 229910019142 PO4 Inorganic materials 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 4
- 239000002608 ionic liquid Substances 0.000 description 4
- 229910052698 phosphorus Inorganic materials 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- 239000010941 cobalt Substances 0.000 description 3
- 229910017052 cobalt Inorganic materials 0.000 description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 3
- 239000008367 deionised water Substances 0.000 description 3
- 229910021641 deionized water Inorganic materials 0.000 description 3
- 150000002500 ions Chemical class 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
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000011574 phosphorus Substances 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- IBZJNLWLRUHZIX-UHFFFAOYSA-N 1-ethyl-3-methyl-2h-imidazole Chemical compound CCN1CN(C)C=C1 IBZJNLWLRUHZIX-UHFFFAOYSA-N 0.000 description 2
- 229910032387 LiCoO2 Inorganic materials 0.000 description 2
- 229910003005 LiNiO2 Inorganic materials 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-L Phosphate ion(2-) Chemical compound OP([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-L 0.000 description 2
- KAESVJOAVNADME-UHFFFAOYSA-N Pyrrole Chemical compound C=1C=CNC=1 KAESVJOAVNADME-UHFFFAOYSA-N 0.000 description 2
- 238000002441 X-ray diffraction Methods 0.000 description 2
- QSNQXZYQEIKDPU-UHFFFAOYSA-N [Li].[Fe] Chemical compound [Li].[Fe] QSNQXZYQEIKDPU-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000010405 anode material Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000006229 carbon black Substances 0.000 description 2
- 239000007772 electrode material Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 150000002460 imidazoles Chemical class 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000010450 olivine Substances 0.000 description 2
- 229910052609 olivine Inorganic materials 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000004438 BET method Methods 0.000 description 1
- 229910014127 LiMn2 O4 -LiMn2 O4 Inorganic materials 0.000 description 1
- 229910002097 Lithium manganese(III,IV) oxide Inorganic materials 0.000 description 1
- 241001282153 Scopelogadus mizolepis Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000037427 ion transport Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 229920000447 polyanionic polymer Polymers 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000012546 transfer 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
- H01M4/362—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
- 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
- H01M4/58—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
- H01M4/36—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
- H01M4/583—Carbonaceous material, e.g. graphite-intercalation compounds or CFx
-
- 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
Abstract
Description
Claims (7)
Priority Applications (1)
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CN201710426267.0A CN107180960B (zh) | 2017-06-08 | 2017-06-08 | 一种碳包覆片层结构磷酸铁锂及其制备方法 |
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CN201710426267.0A CN107180960B (zh) | 2017-06-08 | 2017-06-08 | 一种碳包覆片层结构磷酸铁锂及其制备方法 |
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CN107180960A true CN107180960A (zh) | 2017-09-19 |
CN107180960B CN107180960B (zh) | 2020-03-20 |
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CN201710426267.0A Active CN107180960B (zh) | 2017-06-08 | 2017-06-08 | 一种碳包覆片层结构磷酸铁锂及其制备方法 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114583123A (zh) * | 2022-02-17 | 2022-06-03 | 宜都兴发化工有限公司 | 磷杂碳包覆的超薄磷酸铁锂片层材料及制备方法 |
WO2023193372A1 (zh) * | 2022-04-07 | 2023-10-12 | 深圳沃伦特新能源科技有限公司 | 一种二元掺杂的铁基氟磷酸盐钠离子正极材料及其制备方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101783405A (zh) * | 2010-02-08 | 2010-07-21 | 江苏巨洋电池新材料有限公司 | 一种纳米片状磷酸铁锂材料的制备方法 |
CN102110814A (zh) * | 2009-12-29 | 2011-06-29 | 钟志源 | 磷酸亚铁锂的制备方法及电池正极 |
CN102842716A (zh) * | 2012-08-03 | 2012-12-26 | 江苏力天新能源科技有限公司 | 一种纳米级磷酸铁锂的制备方法 |
CN103441277A (zh) * | 2013-09-12 | 2013-12-11 | 兰州理工大学 | 一种复合碳膜包覆磷酸铁锂粉体的制备方法 |
-
2017
- 2017-06-08 CN CN201710426267.0A patent/CN107180960B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102110814A (zh) * | 2009-12-29 | 2011-06-29 | 钟志源 | 磷酸亚铁锂的制备方法及电池正极 |
CN101783405A (zh) * | 2010-02-08 | 2010-07-21 | 江苏巨洋电池新材料有限公司 | 一种纳米片状磷酸铁锂材料的制备方法 |
CN102842716A (zh) * | 2012-08-03 | 2012-12-26 | 江苏力天新能源科技有限公司 | 一种纳米级磷酸铁锂的制备方法 |
CN103441277A (zh) * | 2013-09-12 | 2013-12-11 | 兰州理工大学 | 一种复合碳膜包覆磷酸铁锂粉体的制备方法 |
Non-Patent Citations (2)
Title |
---|
WEIYAN YU等: "Synthesis of LiFePO4/C nanocomposites via ionic liquid assisted hydrothermal method", 《JOURNAL OF ELECTROANALYTICAL CHEMISTRY》 * |
李靖: "改性水热法合成高性能LiFePO4正极材料", 《万方学位论文》 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114583123A (zh) * | 2022-02-17 | 2022-06-03 | 宜都兴发化工有限公司 | 磷杂碳包覆的超薄磷酸铁锂片层材料及制备方法 |
WO2023193372A1 (zh) * | 2022-04-07 | 2023-10-12 | 深圳沃伦特新能源科技有限公司 | 一种二元掺杂的铁基氟磷酸盐钠离子正极材料及其制备方法 |
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