LU500937B1 - Micro-spherical zinc vanadate as well as preparation method and use thereof - Google Patents
Micro-spherical zinc vanadate as well as preparation method and use thereof Download PDFInfo
- Publication number
- LU500937B1 LU500937B1 LU500937A LU500937A LU500937B1 LU 500937 B1 LU500937 B1 LU 500937B1 LU 500937 A LU500937 A LU 500937A LU 500937 A LU500937 A LU 500937A LU 500937 B1 LU500937 B1 LU 500937B1
- Authority
- LU
- Luxembourg
- Prior art keywords
- micro
- zinc
- vanadate
- zinc vanadate
- spherical zinc
- Prior art date
Links
- 239000011701 zinc Substances 0.000 title claims abstract description 62
- 229910052725 zinc Inorganic materials 0.000 title claims abstract description 61
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 title claims abstract description 60
- LSGOVYNHVSXFFJ-UHFFFAOYSA-N vanadate(3-) Chemical compound [O-][V]([O-])([O-])=O LSGOVYNHVSXFFJ-UHFFFAOYSA-N 0.000 title claims abstract description 51
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims abstract description 30
- ONDPHDOFVYQSGI-UHFFFAOYSA-N zinc nitrate Chemical compound [Zn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ONDPHDOFVYQSGI-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000011259 mixed solution Substances 0.000 claims abstract description 12
- 238000001035 drying Methods 0.000 claims abstract description 11
- 238000001816 cooling Methods 0.000 claims abstract description 10
- ALTWGIIQPLQAAM-UHFFFAOYSA-N metavanadate Chemical compound [O-][V](=O)=O ALTWGIIQPLQAAM-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000001354 calcination Methods 0.000 claims abstract description 4
- 239000000126 substance Substances 0.000 claims abstract description 4
- 238000003756 stirring Methods 0.000 claims abstract description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims description 17
- 229910001416 lithium ion Inorganic materials 0.000 claims description 17
- 238000010438 heat treatment Methods 0.000 claims description 14
- 229910052720 vanadium Inorganic materials 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 229910007383 Zn2V2O7 Inorganic materials 0.000 abstract 1
- 239000000463 material Substances 0.000 description 13
- 238000012360 testing method Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 7
- 230000001681 protective effect Effects 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 238000002441 X-ray diffraction Methods 0.000 description 4
- 239000007772 electrode material Substances 0.000 description 4
- 239000012298 atmosphere Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 239000004005 microsphere Substances 0.000 description 3
- 238000011056 performance test Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000010405 anode material Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000007600 charging Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000003607 modifier Substances 0.000 description 2
- -1 organic acid salts Chemical class 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 101150058243 Lipf gene Proteins 0.000 description 1
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- QTJOIXXDCCFVFV-UHFFFAOYSA-N [Li].[O] Chemical compound [Li].[O] QTJOIXXDCCFVFV-UHFFFAOYSA-N 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 239000012300 argon atmosphere Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010277 constant-current charging Methods 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229910000000 metal hydroxide Inorganic materials 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 229910052976 metal sulfide Inorganic materials 0.000 description 1
- 229910003455 mixed metal oxide Inorganic materials 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000004611 spectroscopical analysis Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- 238000005303 weighing 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
-
- 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
- H01M2004/027—Negative 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Battery Electrode And Active Subsutance (AREA)
Claims (6)
- ANSPRÜCHE1. Mikrokugelförmiges Zinkvanadat, wobei das Zinkvanadat die chemische Formel Zn2V207, einen durchschnittlichen Durchmesser von weniger als 3 um und eine poröse Oberflächenstruktur aufweist; wobei ein Herstellungsverfahren des mikrosphärischen Zinkvanadats die folgenden Schritte umfasst: (1) Einbringen von Zinknitrat und Zinkmetavanadat, die beide eine Reinheit von 99,9 % aufweisen, in einen Brecher, wobei das molare Verhältnis von Zinknitrat zu Zinkmetavanadat 1:2 beträgt; (2) Zugeben von Ethylenglykol unter gleichmäßigem Rühren in den Brecher und dann Hinzufügen von DMF, um eine gemischte Lösung zu erhalten; (3) Überführen der oben gemischten Lösung in einen hydrothermalen Reaktor, die mit einer Erhitzungsgeschwindigkeit von 3-7°C/min auf 170°C-190°C erhitzt wird, und Aufrechterhalten für 22-26 h, wobei das molare Volumen von Zinknitrat zu Ethylenglykol zu DMF 1 mmol: 30ml: 5 ml beträgt: Wobei in Volumenverhältnis von Wasser zu Ethylenglykol in dem hydrothermalen Reaktor von 5:3 und anschließendes Abkühlen auf Raumtemperatur mit einer Abkühlgeschwindigkeit von 3-7°C/min, um ein Produkt zu erhalten; und (4) Zentrifugieren des erhaltenen Produkts, Sammeln des zentrifugierten Produkts, Trocknen und anschließendes Kalzinieren, um das mikrokugelförmige Zinkvanadat zu erhalten.2. Mikrokugelförmiges Zinkvanadat nach Anspruch 1, wobei in Schritt (3) das Erhitzen auf 180°C durchgeführt wird, das 24 Stunden lang beibehalten wird, und die Erhitzungsgeschwindigkeit 5°C/min beträgt.3. Mikrokugelförmiges Zinkvanadat nach Anspruch 1, wobei in Schritt (3) die Abkühlgeschwindigkeit 5°C/min beträgt.4. Mikrosphärisches Zinkvanadat nach einem der Ansprüche 1 bis 3, wobei in Schritt (4) die Trocknungszeit 10 bis 14 Stunden und die Trocknungstemperatur 78 bis 82 °C beträgt.5. Mikrokugelfôrmiges Zinkvanadat nach Anspruch 4, wobei die Trocknungszeit 12 h und die Trocknungstemperatur 80°C beträgt.6. Verwendung des mikrokugelfôrmigen Zinkvanadats nach einem der Ansprüche 1 bis 5 in einer Batterie, wobei das mikrokugelfôrmige Zinkvanadat, wenn es auf eine negative Elektrode einer Lithium-Ionen-Batterie aufgebracht wird, bei einer Stromdichte von 100 mAh-g! die spezifischen Kapazitäten der ersten Ladung/Entladung von 779.2 mAh-g! bzw.1075.3 mAh-g!1 aufweist und einen Coulomb-Wirkungsgrad von 72,5 % aufweist und die spezifische Kapazität von mehr als 860 mAh:g nach 50-maliger Ladung und Entladung aufweist.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| LU500937A LU500937B1 (en) | 2021-12-01 | 2021-12-01 | Micro-spherical zinc vanadate as well as preparation method and use thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| LU500937A LU500937B1 (en) | 2021-12-01 | 2021-12-01 | Micro-spherical zinc vanadate as well as preparation method and use thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| LU500937B1 true LU500937B1 (en) | 2022-06-01 |
Family
ID=81827373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU500937A LU500937B1 (en) | 2021-12-01 | 2021-12-01 | Micro-spherical zinc vanadate as well as preparation method and use thereof |
Country Status (1)
| Country | Link |
|---|---|
| LU (1) | LU500937B1 (de) |
-
2021
- 2021-12-01 LU LU500937A patent/LU500937B1/en active IP Right Grant
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| Date | Code | Title | Description |
|---|---|---|---|
| FG | Patent granted |
Effective date: 20220601 |