▎ 摘　　要

NOVELTY - Preparing a device based on sandwich-structured ceramic-based double-sided evaporation desalination and driving power generation, comprises (1.a) dissolving polyvinyl butyral in absolute ethyl alcohol to obtain PVB solution, (b) adding Al (NO3)3 into deionized water, stirring and heating to obtain Al (NO3)3 solution, and (c) mixing PVB solution with Al(NO3)3 solution to obtain spinning solution, (2) carrying out electrostatic spinning on spinning solution to obtain electrostatic spinning film, and (3.a) pre-oxidizing electrostatic spinning film to obtain a pre-oxidized electrostatic spinning film, (b) carbonizing pre-oxidized electrostatic spinning film to obtain electrostatic spinning porous ceramic film, and (c) taking ePTFE membrane as interlayer and placing between glued graphene membrane and electrostatic spinning porous ceramic membrane, adhering graphene membrane and electrostatic spinning porous ceramic membrane using glue on graphene membrane to obtain final product. USE - The method is useful for preparing device based on sandwich-structured ceramic-based double-sided evaporation desalination and driving power generation. ADVANTAGE - The method: can fully utilize the solar energy; and ensure the interface solar steam desalination and light absorption performance. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for a use method of device based on sandwich-structured ceramic-based double-sided evaporation desalination and driving power generation. DESCRIPTION OF DRAWING(S) - The drawing shows a block diagram of preparing device based on sandwich-structured ceramic-based double-sided evaporation desalination and driving power generation (Drawing includes non-English language text).