32results about How to "Reduce overlap rate" patented technology

The application discloses a honeycomb porous carbon / nickel-iron double hydroxide / foamed nickel photoanode and a preparation method thereof. The nickel-iron double hydroxide is prepared by calcination with nickel nitrate, iron nitrate, ammonium fluoride and urea as raw materials. The photoanode is prepared by mixing and stirring different quality raw materials and calcination. The preparation method comprises the following steps: F1, grinding dried pomelo skin into powder, and obtaining honeycomb porous carbon through high-temperature carbonization; F2, drying the product after washing with ultrapure water and ethanol respectively, mixing, dissolving in water, and placing the high-pressure reaction kettle into a hydrothermal furnace for calcination at a certain temperature, and the collected product is the honeycomb porous carbon / nickel-iron double hydroxide / foamed nickel photoanode. The prepared photoanode has the advantages of large specific surface area, many active sites, fast photo-generated carrier separation and migration rate, high photocatalytic activity and high stability, thereby promoting the improvement of photoelectrocatalytic performance.