| abstract |
The invention discloses a preparation method of a rice husk-based carbon-nickel composite catalyst, comprising the following steps: soaking rice husks in a mixed acid solution to obtain soaked rice husks; Immersion in a nickel-containing solution while continuously shaking, followed by washing, drying and grinding to obtain powder; sintering the powder under the protection of a non-oxidizing atmosphere to obtain a sintered product; soaking the sintered product in an acid solution and Ultrasonic treatment, filtration, washing and drying to obtain a rice husk-based carbon-nickel composite catalyst. The preparation method of the invention utilizes the rice husk waste as resources, effectively suppresses the loss of metal during the catalyst reaction, and the prepared catalyst exhibits good catalytic performance and stability in the electrocatalytic water splitting reaction and the adsorption and degradation of pollutants. |