▎ 摘　　要

NOVELTY - Preparation of power generation and water purification integrated functional area includes mixing carboxylated graphene dispersion liquid and alumina nanofiber dispersion liquid, adding to predetermined container, contacting bottom of container with cold source, directional freezing, and freeze-drying; reducing upper portion to obtain graphene/alumina nanofiber composite film array, heating and curing, soaking the lower portion of evaporation zone in water, soaking in aminated bacterial cellulose solution, heating, and stirring to form a stable network structure; and soaking in solution containing aluminum particles, stirring, drying, adding waterproof electrodes and wires to the bottom and top areas of the array, and adding water vapor collection device on top. USE - The method is for preparation of power generation and water purification integrated functional area. ADVANTAGE - The method is capable of generating electric energy by water flow directional movement caused by water evaporation, aluminum particles by plasmon effect reaches the effect of faster evaporation, graphene/alumina nano fiber composite film array on the upper parts of the composite film array effectively improves the distillation efficiency, shortens the distillation time; the carboxylated graphene/aluminum oxide nano fiber composite film array at the lower parts of the composite film array is used for absorbing water flow and firmly catching the water surface; it has the ability of wind and wave and turbulent flow. DETAILED DESCRIPTION - Preparation of power generation and water purification integrated functional area comprises mixing carboxylated graphene dispersion liquid and alumina nanofiber dispersion liquid to obtain mixed liquid, adding to predetermined container, contacting bottom of container with cold source to perform directional freezing from bottom to top and obtain vertically-oriented carboxylated graphene/alumina nanofiber composite film array, and freeze-drying; reducing upper portion to obtain graphene/alumina nanofiber composite film array, heating and curing, soaking the lower portion of evaporation zone in water to stabilize the structure, soaking in aminated bacterial cellulose solution, heating, and stirring to make the aminated bacterial cellulose enter the channel and make the amino group react with the carboxyl group to form a stable network structure; and soaking in solution containing aluminum particles, stirring to fill the channels with aluminum particles, drying, adding waterproof electrodes and wires to the bottom and top areas of the array, and adding water vapor collection device on top.