▎ 摘　　要

NOVELTY - A Janus hydroelectric power generation material is obtained by stacking oxidative porous carbon material and reducing porous material, and tableting. USE - Janus hydroelectric power generation material for use in hydropower power generation device (claimed). ADVANTAGE - The power generation material is prepared by using low-cost carbon materials such as graphite oxide as raw materials and low cost equipment, so that the preparation cost is reduced, the mild chemical reduction method is used, and the complicated preparation method is avoided. The material prepared by the tableting method has a functional group concentration gradient, so that the continuous power generation is achieved effectively. The batch preparation of moisture-induced hydroelectric power generation material is ensured. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are included for the following:1. the preparation method of Janus hydroelectric power generation material, which involves (1) ultrasonically dispersing carbon oxide material in water to obtain carbon material dispersion, (2) dividing the carbon material dispersion into two portions of (A) and (B), adding dopamine hydrochloride and tris(hydroxymethyl)aminomethane to the (B) portion of carbon material dispersion liquid under the condition of stirring to obtain reduced carbon material dispersion liquid, (3) freeze-drying the (A) portion of carbon material dispersion liquid and reduced carbon material dispersion liquid prepared in (B) portion respectively to obtain an oxidative porous carbon material and a reducible porous carbon material, and (4) stacking the oxidative porous carbon material and reducible porous carbon material, and tableting to obtain a finished product; and 2.application of Janus hydroelectric power generation material in hydropower power generation device. DESCRIPTION OF DRAWING(S) - The drawing shows a flowchart illustrating the preparation method of Janus hydroelectric power generation material. (Drawing includes non-English language text)