Preparation of Three-dimensional Graphene-based Sponge as Photo-thermal Conversion Material to Desalinate Seawater
作者机构：College of Chemistry and Chemical EngineeringChina University of Petroleum(East China)Qingdao266580P.R.China
出 版 物：《Chemical Research in Chinese Universities》 (高等学校化学研究（英文版）)
年 卷 期：2022年第38卷第6期
页 面：1425-1434页
核心收录：
学科分类：081702[工学-化学工艺] 08[工学] 0817[工学-化学工程与技术] 0703[理学-化学]
基 金：supported by the National Natural Science Foundation of China (No.22078366)
主 题：Graphene Melamine sponge Photo-thermal material Solar-driven evaporation Heat conduction
摘 要：Water shortage has become one of the major threats to human society over the past *** new interfacial solar evaporation is undoubtedly an attracting technology to solve this ***,graphene aerogel(GA)and graphene oxide/melamine sponge composite material(GO-MS)were prepared through a two-step reduction and one-step freezing method as photo-thermal materials to evaporate pure water and *** proper concentrations of the graphene oxide(GO)dispersion for their preparation were investigated,which is 7 mg/mL for GA,and 5 mg/mL for *** evaporation rates of GA are 1.40 kg/(m^(2)·h)for pure water and 1.21 kg/(m^(2)·h)for seawater,while for GO-MS it is 1.63 kg/(m^(2)·h)for pure water and 1.45 kg/(m^(2)·h)for seawater,*** composite material not only reduces the usage of GO,but also shows better photo-thermal conversion ***,the heat loss of evaporation system was calculated and the method of further enhancing photo-thermal conversion efficiency was deduced,which will provide a strong basis for guiding the design and development of graphene based three-dimensional materials and further exploration in this field.
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