Nickel cobaltate nano material as well as preparation method and application thereof
A nanomaterial, nickel cobalt oxide technology, applied in nanotechnology, chemical instruments and methods, nickel compounds and other directions, can solve the problems of single structure and morphology, can not meet the needs of applications, weak catalytic activity, etc., achieves low preparation cost, The effect of high recycling rate and poor recyclability
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[0065] Example 1 Preparation of hollow porous cobalt acid nickel nanomaterials of oxygen-free vacant defects
[0066] Preparation of Ni-Co-propanol precursor
[0067] The hexahydrate nickel nickel and hexahydrate cobalt is dissolved in a polytetrafluoroethylene reaction kettle (50 mL) equipped with isopropyl alcohol, and then a propanol and water form a mixed solution. In the mixed solution, the mass of cobalt in hexahydrate was 64 mg, and the mass of nickel of hexahydrate was 32 mg, the isopropyl alcohol was 35 ml, and the volume of propanol was 5 ml, and the volume of water was 1 ml. Then, the polytetrafluoroethylene reactor was placed in a homogeneous reaction, and the mixed solution was reacted at a stirring speed of 15 R / min at a temperature of 190 ° C for 12 h, and the resulting product was cooled at room temperature, and then the resulting result The product was centrifuged, washed once with ethanol and water, and then dried at 105 ° C to obtain a Ni-Co-propanol precurso...
Example Embodiment
[0070] Example 2 Preparation of hollow porous cobalt acid nickel nanomaterials of oxygen-free vacant defects
[0071] Preparation of Ni-Co-propanol precursor
[0072] The hexahydrate nickel nickel and hexahydrate cobalt is dissolved in a polytetrafluoroethylene reaction kettle (50 mL) equipped with isopropyl alcohol, and then a propanol and water form a mixed solution. In the mixed solution, the mass of cobalt in hexahydrate was 64 mg, and the mass of nickel of hexahydrate was 32 mg, the isopropyl alcohol was 35 ml, and the volume of propanol was 5 ml, and the volume of water was 1 ml. The polytetrafluoroethylene reactor is then placed in a homogeneous continent, allowing the mixed solution at a stirring speed of 15 R / min at a temperature of 180 ° C for 12 h at a temperature of 180 ° C, and the resulting product is cooled at room temperature, then the resulting result The product was centrifuged, washed once with ethanol and water, and then dried at 105 ° C to obtain a Ni-Co-pr...
Example Embodiment
[0075] Example 3 Preparation of hollow porous cobalt acid nickel nanomaterials of oxygen-free vacant defects
[0076] Preparation of Ni-Co-propanol precursor
[0077] The hexahydrate nickel nickel and hexahydrate cobalt is dissolved in a polytetrafluoroethylene reaction kettle (50 mL) equipped with isopropyl alcohol, and then a propanol and water form a mixed solution. In the mixed solution, the mass of cobalt in hexahydrate was 64 mg, and the mass of nickel of hexahydrate was 32 mg, the isopropyl alcohol was 35 ml, and the volume of propanol was 5 ml, and the volume of water was 1 ml. Then, the polytetrafluoroethylene reactor was placed in a homogeneous reaction, and the mixed solution was reacted at a stirring speed of 15 R / min at a temperature of 190 ° C for 12 h, and the resulting product was cooled at room temperature, and then the resulting result The product was centrifuged, washed once with ethanol and water, and then dried at 105 ° C to obtain a Ni-Co-propanol precurso...
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