PL427397A1 - Method of producing graphene/CrFe<sub>2</sub>O<sub>4</sub> <sub> </sub> nanocomposite - Google Patents
Method of producing graphene/CrFe<sub>2</sub>O<sub>4</sub> <sub> </sub> nanocompositeInfo
- Publication number
- PL427397A1 PL427397A1 PL427397A PL42739718A PL427397A1 PL 427397 A1 PL427397 A1 PL 427397A1 PL 427397 A PL427397 A PL 427397A PL 42739718 A PL42739718 A PL 42739718A PL 427397 A1 PL427397 A1 PL 427397A1
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- graphene
- ethanol
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- Battery Electrode And Active Subsutance (AREA)
Abstract
Przedmiotem zgłoszenia jest sposób otrzymywania kompozytu grafen/CrFe2O4, który charakteryzuje się tym, że tlenek grafenu sonifikuje się w etanolu w ilości 0,5 g grafenu w 50 ml etanolu i do roztworu dodaje się azotan żelaza III, azotan chromu w stosunku 1:1, po czym dodaje się 25% wodny roztwór amoniaku. Następnie mieszaninę poddaje się obróbce ciśnieniowej w solwotermalnym reaktorze mikrofalowym, przez czas od 15 do 45 minut przy ciśnieniu od 4 do 6 MPa, po czym otrzymany produkt poddaje się procesowi wygrzewania w atmosferze gazu obojętnego w temperaturze od 500°C do 650°C, a następnie płucze się wodą destylowaną i suszy. Zgłoszenie obejmuje też drugi sposób otrzymywania kompozytu grafen/CrFe2O4, który charakteryzuje się tym, że tlenek grafenu sonifikuje się w etanolu w ilości 0,5 g grafenu w 50 ml etanolu i do roztworu dodaje się azotan żelaza III, azotan chromu w stosunku 1:1, po czym dodaje się 25% wodny roztwór amoniaku. Następnie mieszaninę poddaje się obróbce ciśnieniowej w autoklawie w temperaturze od 120°C do 200°C w czasie od 12 do 20 godzin, po czym otrzymany produkt poddaje się procesowi wygrzewania w atmosferze gazu obojętnego w temperaturze od 500°C do 650°C, a następnie płucze się wodą destylowaną i suszy.The subject of the application is the method of obtaining the graphene / CrFe2O4 composite, which is characterized by sonicating graphene oxide in ethanol in the amount of 0.5 g of graphene in 50 ml of ethanol and adding iron III nitrate, chromium nitrate in the ratio 1: 1 to the solution, then 25% aqueous ammonia solution is added. Then the mixture is subjected to pressure treatment in a solvothermal microwave reactor for a period of 15 to 45 minutes at a pressure of 4 to 6 MPa, and then the obtained product is subjected to an annealing process in an inert gas atmosphere at a temperature of 500 ° C to 650 ° C, and then it is rinsed with distilled water and dried. The application also covers the second method of obtaining the graphene / CrFe2O4 composite, which is characterized in that graphene oxide is sonicated in ethanol in the amount of 0.5 g of graphene in 50 ml of ethanol and iron III nitrate and chromium nitrate in the ratio 1: 1 are added to the solution. and then a 25% aqueous ammonia solution is added. Then the mixture is subjected to pressure treatment in an autoclave at a temperature of 120 ° C to 200 ° C for 12 to 20 hours, then the obtained product is heated in an inert gas atmosphere at a temperature of 500 ° C to 650 ° C, and then it is rinsed with distilled water and dried.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL427397A PL427397A1 (en) | 2018-10-15 | 2018-10-15 | Method of producing graphene/CrFe<sub>2</sub>O<sub>4</sub> <sub> </sub> nanocomposite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL427397A PL427397A1 (en) | 2018-10-15 | 2018-10-15 | Method of producing graphene/CrFe<sub>2</sub>O<sub>4</sub> <sub> </sub> nanocomposite |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL427397A1 true PL427397A1 (en) | 2020-04-20 |
Family
ID=70281463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL427397A PL427397A1 (en) | 2018-10-15 | 2018-10-15 | Method of producing graphene/CrFe<sub>2</sub>O<sub>4</sub> <sub> </sub> nanocomposite |
Country Status (1)
| Country | Link |
|---|---|
| PL (1) | PL427397A1 (en) |
-
2018
- 2018-10-15 PL PL427397A patent/PL427397A1/en unknown
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