Flaky metal oxide and its controllable synthesis method and application
A flake metal and synthesis method technology, applied in the direction of manganese oxide/manganese hydroxide, cobalt oxide/cobalt hydroxide, nickel oxide/nickel hydroxide, etc.
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Embodiment 1
[0033] A controllable synthesis method of sheet metal oxides, comprising the steps of:
[0034] (1) Add 0.5g of template agent into 60ml of deionized water, and keep stirring for 5 minutes until the drug is completely dissolved; the template agent is 2-methylimidazole;
[0035] (2) Add the metal salt to the above solution and continue to stir for 10 minutes. The molar ratio of the metal salt to the template is 1:3. The metal salt is an inorganic metal salt containing one of cobalt, nickel, manganese, zinc, and iron, such as nitric acid salt, chloride salt;
[0036] (3) Transfer the solution prepared above into an oil bath, and react at a temperature of 60° C., and the time range is 8 hours;
[0037] (4) Cool the above product to room temperature, wash it with deionized water and absolute ethanol, dry it at 60°C for 4 hours, put it into a tube furnace, calcinate it to 250°C, keep it for 4 hours, and finally get the shape of Flaky metal oxides. The calcination atmosphere is N...
Embodiment 2
[0040] A controllable synthesis method of sheet metal oxides, comprising the steps of:
[0041] (1) Add 3g of template agent into 120ml of deionized water, and continue to stir for 10 minutes until the drug is completely dissolved; the template agent is 1,2,3,4-butanetetracarboxylic acid;
[0042] (2) Add the metal salt to the above solution and continue to stir for 15 minutes, the molar ratio of the metal salt to the template is 3:1, and the metal salt is manganese acetylacetonate;
[0043] (3) transfer the solution prepared above into an oil bath, and react at a temperature of 100° C., and the time range is 16 hours;
[0044] (4) Cool the above product to room temperature, wash it with deionized water and absolute ethanol, dry it at 90°C for 6 hours, put it into a tube furnace, calcinate it to 700°C, keep it for 8 hours, and finally get the shape of Flaky metal oxides. The calcination atmosphere is N 2 , Ar, or air atmosphere, so that the sintered material only contains m...
Embodiment 3
[0047] A controllable synthesis method of sheet metal oxides, comprising the steps of:
[0048] (1) Add 1g of template agent into 80ml of deionized water, and keep stirring for 7 minutes until the drug is completely dissolved; the template agent is 1,2,3,4-butanetetracarboxylic acid;
[0049] (2) Add the above solution according to the metal salt and continue to stir for 12 minutes. The molar ratio of the metal salt to the template is 2:1. The metal salt is an inorganic metal salt containing one of cobalt, nickel, manganese, and zinc, such as CoCl 2 , NiCl 2 , MnCl 2 , Co(NO 3 ) 2 , Ni(NO 3 ) 2 , Mn(NO 3 ) 2 ;
[0050] (3) transfer the solution prepared above into an oil bath, and react at a temperature of 80° C., and the time range is 10 h;
[0051] (4) Cool the above product to room temperature, wash it with deionized water and absolute ethanol, dry it at 70°C for 5h, put it into a tube furnace, calcinate it to 350°C, keep it for 5h, and finally get the shape of Flak...
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