Core-shell structured Cu/CuO@Ni(OH)2 electrode material and preparation method thereof
A technology of electrode material and core-shell structure, which is applied in the field of Cu/CuO@Ni2 electrode material with core-shell structure and its preparation, can solve the problems affecting the specific capacitance and poor conductivity of the material, achieve excellent capacitance performance, alleviate poor conductivity, The effect of the preparation process is simple and easy to operate
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0025] Weigh 0.3 g of copper nitrate trihydrate and 0.3 g of sodium borohydride and dissolve them in 20 mL of deionized water respectively, and add sodium borohydride solution dropwise to the copper nitrate aqueous solution under constant stirring, and wash and centrifuge the sample after the reaction is complete. And dry at 60° C. for 24 hours in vacuum to obtain Cu / CuO nanoparticles.
[0026] Weigh 0.03g of Cu / CuO nanoparticles, ultrasonically disperse them in 30mL ethanol aqueous solution for 20min to make them uniformly dispersed, add 0.2908g nickel nitrate hexahydrate and 0.2908g urea, and continue ultrasonicating for 10min. Then pour the homogeneous solution into the reaction kettle, react at 100°C for 12h, wash and centrifuge the reacted material, and dry it in vacuum at 60°C for 24h to obtain the final Cu / CuO@Ni(OH) with core-shell structure 2 electrode material.
[0027] figure 1 is the prepared Cu / CuO@Ni(OH) 2 The scanning electron microscope image of the electrod...
Embodiment 2
[0031] Weigh 2.0 g of copper nitrate trihydrate and 6.0 g of sodium borohydride and dissolve them in 20 mL of deionized water respectively, and add sodium borohydride solution dropwise to the copper nitrate aqueous solution under constant stirring, and wash and centrifuge the sample after the reaction is complete. And dried in vacuum at 50°C for 24h to obtain Cu / CuO nanoparticles.
[0032] Weigh 1.0 g of Cu / CuO nanoparticles, ultrasonically disperse them in 30 mL of ethanol aqueous solution for 60 min to make them uniform, add 0.2908 g of nickel nitrate hexahydrate and 0.3780 g of urea, and continue ultrasonication for 20 min. Then pour the homogeneous solution into the reaction kettle, react at 160°C for 24h, wash and centrifuge the reacted material, and dry it in vacuum at 50°C for 24h to obtain the final Cu / CuO@Ni(OH) with core-shell structure 2 electrode material.
Embodiment 3
[0034] Weigh 0.5 g of copper nitrate trihydrate and 1.0 g of sodium borohydride and dissolve them in 20 mL of deionized water respectively, and add sodium borohydride solution dropwise to the copper nitrate aqueous solution under constant stirring, and wash and centrifuge the sample after the reaction is complete. And dry at 80° C. for 24 hours in vacuum to obtain Cu / CuO nanoparticles.
[0035] Weigh 0.01 g of Cu / CuO nanoparticles, ultrasonically disperse them in 30 mL of ethanol aqueous solution for 40 min, add 0.5816 g of nickel nitrate hexahydrate and 0.6979 g of urea, and continue ultrasonication for 15 min. Then pour the homogeneous solution into the reaction kettle, react at 120°C for 6h, wash and centrifuge the reacted material, and dry it in vacuum at 80°C for 24h to obtain the final Cu / CuO@Ni(OH) with core-shell structure 2 electrode material.
PUM
| Property | Measurement | Unit |
|---|---|---|
| quality score | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
Login to View More