CN113086960A - 一种磷酸钛锂正极材料的制备方法 - Google Patents
一种磷酸钛锂正极材料的制备方法 Download PDFInfo
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- CN113086960A CN113086960A CN202110331973.3A CN202110331973A CN113086960A CN 113086960 A CN113086960 A CN 113086960A CN 202110331973 A CN202110331973 A CN 202110331973A CN 113086960 A CN113086960 A CN 113086960A
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- China
- Prior art keywords
- positive electrode
- source
- lithium
- electrode material
- titanium phosphate
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- MKGYHFFYERNDHK-UHFFFAOYSA-K P(=O)([O-])([O-])[O-].[Ti+4].[Li+] Chemical compound P(=O)([O-])([O-])[O-].[Ti+4].[Li+] MKGYHFFYERNDHK-UHFFFAOYSA-K 0.000 title claims abstract description 27
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 239000010406 cathode material Substances 0.000 title description 4
- 239000007774 positive electrode material Substances 0.000 claims abstract description 28
- 239000002243 precursor Substances 0.000 claims abstract description 26
- 238000005245 sintering Methods 0.000 claims abstract description 26
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 238000003756 stirring Methods 0.000 claims abstract description 16
- 239000002002 slurry Substances 0.000 claims abstract description 15
- 239000010405 anode material Substances 0.000 claims abstract description 13
- 239000011259 mixed solution Substances 0.000 claims abstract description 12
- 239000007921 spray Substances 0.000 claims abstract description 12
- 238000005303 weighing Methods 0.000 claims abstract description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 11
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 11
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 10
- 239000008367 deionised water Substances 0.000 claims abstract description 10
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 10
- 238000000227 grinding Methods 0.000 claims abstract description 10
- 238000002156 mixing Methods 0.000 claims abstract description 9
- 238000005507 spraying Methods 0.000 claims abstract description 9
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 8
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 8
- 239000011574 phosphorus Substances 0.000 claims abstract description 8
- 239000010936 titanium Substances 0.000 claims abstract description 8
- 238000001816 cooling Methods 0.000 claims abstract description 7
- 230000001681 protective effect Effects 0.000 claims abstract description 7
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 7
- 238000001132 ultrasonic dispersion Methods 0.000 claims abstract description 4
- 239000012467 final product Substances 0.000 claims abstract description 3
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical group [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 claims description 30
- 238000000034 method Methods 0.000 claims description 25
- YHWCPXVTRSHPNY-UHFFFAOYSA-N butan-1-olate;titanium(4+) Chemical group [Ti+4].CCCC[O-].CCCC[O-].CCCC[O-].CCCC[O-] YHWCPXVTRSHPNY-UHFFFAOYSA-N 0.000 claims description 12
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical group [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 claims description 10
- 229910000387 ammonium dihydrogen phosphate Inorganic materials 0.000 claims description 10
- 235000019837 monoammonium phosphate Nutrition 0.000 claims description 10
- 239000002994 raw material Substances 0.000 claims description 7
- 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 6
- 239000007789 gas Substances 0.000 claims description 6
- 239000008103 glucose Substances 0.000 claims description 6
- 239000000243 solution Substances 0.000 claims description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 4
- 150000003839 salts Chemical class 0.000 claims description 3
- 125000002791 glucosyl group Chemical group C1([C@H](O)[C@@H](O)[C@H](O)[C@H](O1)CO)* 0.000 claims description 2
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- 229910001416 lithium ion Inorganic materials 0.000 abstract description 7
- 239000000463 material Substances 0.000 abstract description 7
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 abstract description 5
- 230000000704 physical effect Effects 0.000 abstract description 4
- 229910000857 LiTi2(PO4)3 Inorganic materials 0.000 description 10
- 239000000725 suspension Substances 0.000 description 8
- 230000014759 maintenance of location Effects 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 6
- 229910019142 PO4 Inorganic materials 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000012360 testing method Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 235000019441 ethanol Nutrition 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000003980 solgel method Methods 0.000 description 3
- 229910017677 NH4H2 Inorganic materials 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 238000001354 calcination Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 description 2
- 229910052808 lithium carbonate Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010532 solid phase synthesis reaction Methods 0.000 description 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- 229920000858 Cyclodextrin Polymers 0.000 description 1
- 239000001116 FEMA 4028 Substances 0.000 description 1
- 229910015136 FeMn Inorganic materials 0.000 description 1
- 241000282414 Homo sapiens Species 0.000 description 1
- 229910012922 Li3Ti2(PO4)3 Inorganic materials 0.000 description 1
- 229910032387 LiCoO2 Inorganic materials 0.000 description 1
- 229910052493 LiFePO4 Inorganic materials 0.000 description 1
- 229910003005 LiNiO2 Inorganic materials 0.000 description 1
- 229910012465 LiTi Inorganic materials 0.000 description 1
- 229910002097 Lithium manganese(III,IV) oxide Inorganic materials 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- WHGYBXFWUBPSRW-FOUAGVGXSA-N beta-cyclodextrin Chemical compound OC[C@H]([C@H]([C@@H]([C@H]1O)O)O[C@H]2O[C@@H]([C@@H](O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O3)[C@H](O)[C@H]2O)CO)O[C@@H]1O[C@H]1[C@H](O)[C@@H](O)[C@@H]3O[C@@H]1CO WHGYBXFWUBPSRW-FOUAGVGXSA-N 0.000 description 1
- 235000011175 beta-cyclodextrine Nutrition 0.000 description 1
- 229960004853 betadex Drugs 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000000975 co-precipitation Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 229910021389 graphene Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 238000001027 hydrothermal synthesis Methods 0.000 description 1
- 238000009830 intercalation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000012716 precipitator Substances 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 238000001694 spray drying Methods 0.000 description 1
- 239000011232 storage material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
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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
- C01B25/45—Phosphates containing plural metal, or metal and ammonium
-
- 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
-
- 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
- C01P2006/40—Electric properties
-
- 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
- H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
- H01M2004/028—Positive electrodes
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN115724416A (zh) * | 2021-08-27 | 2023-03-03 | 陈璞 | 磷酸钛锂的制备工艺及其应用 |
Citations (7)
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CN105375015A (zh) * | 2015-12-18 | 2016-03-02 | 齐鲁工业大学 | 一种碳包覆介孔磷酸钛锂的制备方法 |
CN106299267A (zh) * | 2015-10-15 | 2017-01-04 | 肖水龙 | 一种磷酸钛锂负极材料的制备方法 |
CN109721042A (zh) * | 2018-12-20 | 2019-05-07 | 长江大学 | 一种全固态锂离子电解质材料及其制备方法 |
WO2020158666A1 (ja) * | 2019-01-29 | 2020-08-06 | 日本化学工業株式会社 | リン酸チタンリチウムの製造方法 |
CN111816873A (zh) * | 2020-06-23 | 2020-10-23 | 江苏理工学院 | 一种碳包覆磷酸钛锰锂复合材料及其制备方法和在锂离子电池中的应用 |
CN112054195A (zh) * | 2020-08-10 | 2020-12-08 | 昆山宝创新能源科技有限公司 | 碳包覆磷酸钛锂材料及其制备方法和应用 |
CN112103482A (zh) * | 2020-08-17 | 2020-12-18 | 江苏理工学院 | 稀土金属或过渡金属掺杂的磷酸钛锂/碳复合材料及其制备方法和应用 |
-
2021
- 2021-03-26 CN CN202110331973.3A patent/CN113086960A/zh active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106299267A (zh) * | 2015-10-15 | 2017-01-04 | 肖水龙 | 一种磷酸钛锂负极材料的制备方法 |
CN105375015A (zh) * | 2015-12-18 | 2016-03-02 | 齐鲁工业大学 | 一种碳包覆介孔磷酸钛锂的制备方法 |
CN109721042A (zh) * | 2018-12-20 | 2019-05-07 | 长江大学 | 一种全固态锂离子电解质材料及其制备方法 |
WO2020158666A1 (ja) * | 2019-01-29 | 2020-08-06 | 日本化学工業株式会社 | リン酸チタンリチウムの製造方法 |
CN111816873A (zh) * | 2020-06-23 | 2020-10-23 | 江苏理工学院 | 一种碳包覆磷酸钛锰锂复合材料及其制备方法和在锂离子电池中的应用 |
CN112054195A (zh) * | 2020-08-10 | 2020-12-08 | 昆山宝创新能源科技有限公司 | 碳包覆磷酸钛锂材料及其制备方法和应用 |
CN112103482A (zh) * | 2020-08-17 | 2020-12-18 | 江苏理工学院 | 稀土金属或过渡金属掺杂的磷酸钛锂/碳复合材料及其制备方法和应用 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115724416A (zh) * | 2021-08-27 | 2023-03-03 | 陈璞 | 磷酸钛锂的制备工艺及其应用 |
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