Solar-driven interfacial desalination has been considered a promising and green technology for relieving worldwide water shortage because of its zero carbon emission.However,salt accumulation during evaporation result...Solar-driven interfacial desalination has been considered a promising and green technology for relieving worldwide water shortage because of its zero carbon emission.However,salt accumulation during evaporation results in a significant reduction in solar evaporation performance and sustained service life.High-performance and long-term salt-rejecting solar evaporators are urgently desirable.Inspired by the rapid water transfer driven by leaf transpiration and the capillary pressure in woody plants,we developed electrospun polyacrylonitrile@carbon nanotubes nanofiber/cotton core-spun yarn(PCCS yarn)based solar evaporator enabled by the multi-branch microchannels and sub-microchannels for ultra-efficient and durable high-salinity brine desalination.The optimal PCCS yarn-based solar evaporator exhibits a record-high evaporation rate of 3.46 kg m^(-2)h^(-1)under one sun illumination among 2D evaporators.Meanwhile,an excellent and stable brine desalination rate of∼2.75 kg m^(-2)h^(-1)for 100 h continuous solar irradiation is achieved even in 20wt%NaCl solution.The above results are attributed to the massive micro evaporation surfaces formed between nanofibers,rapid water replenishment in the radius direction,and orientational fast water transport by Laplace pressure along and across the PCCS yarn.In addition,the continuous preparation of the core-spun yarn by the conjugated electrospinning technology and the complete fabric production process in the textile industry make it possible for the practical application of the PCCS yarn-based solar evaporator.This work promotes the development of high-performance,long-term and scalable solar desalination devices.展开更多
通过中国知网(CNKI)与Web of Science(WOS)核心数据库,检索其中2004年~2024年所收录的环锭包芯纱相关中英文文献,采集相关文献数据。利用CiteSpace知识图谱工具,构建环锭包芯纱研究的知识图谱,对环锭包芯纱领域的年度发文量、作者和国...通过中国知网(CNKI)与Web of Science(WOS)核心数据库,检索其中2004年~2024年所收录的环锭包芯纱相关中英文文献,采集相关文献数据。利用CiteSpace知识图谱工具,构建环锭包芯纱研究的知识图谱,对环锭包芯纱领域的年度发文量、作者和国家合作分布、研究热点与发展趋势进行可视化分析。研究发现:国内环锭包芯纱领域年度发文量总体上呈现逐年递减的趋势;国际年度发文量变化幅度较大,整体上是一个增长的态势。展开更多
基金supported by the National Natural Science Foundation of China(51973027,52003044,52373069,52373032)the Fundamental Research Funds for the Central Universities(2232020A-08)+5 种基金International Cooperation Fund of Science and Technology Commission of Shanghai Municipality(21130750100)Major Scientific and Technological Innovation Projects of Shandong Province(2021CXGC011004)supported by the Innovation Program of Shanghai Municipal Education Commission(2019-01-07-0003-E00023)to Prof.Xiaohong QinYoung Elite Scientists Sponsorship Program by CAST,State Key Laboratory for Modification of Chemical Fibers and Polymer Materials(KF2216)DHU Distinguished Young Professor Program to Profthe Fundamental Research Funds for the Central Universities and Graduate Student Innovation Fund of Donghua University(CUSF-DH-D-2022039)to Mantang He.
文摘Solar-driven interfacial desalination has been considered a promising and green technology for relieving worldwide water shortage because of its zero carbon emission.However,salt accumulation during evaporation results in a significant reduction in solar evaporation performance and sustained service life.High-performance and long-term salt-rejecting solar evaporators are urgently desirable.Inspired by the rapid water transfer driven by leaf transpiration and the capillary pressure in woody plants,we developed electrospun polyacrylonitrile@carbon nanotubes nanofiber/cotton core-spun yarn(PCCS yarn)based solar evaporator enabled by the multi-branch microchannels and sub-microchannels for ultra-efficient and durable high-salinity brine desalination.The optimal PCCS yarn-based solar evaporator exhibits a record-high evaporation rate of 3.46 kg m^(-2)h^(-1)under one sun illumination among 2D evaporators.Meanwhile,an excellent and stable brine desalination rate of∼2.75 kg m^(-2)h^(-1)for 100 h continuous solar irradiation is achieved even in 20wt%NaCl solution.The above results are attributed to the massive micro evaporation surfaces formed between nanofibers,rapid water replenishment in the radius direction,and orientational fast water transport by Laplace pressure along and across the PCCS yarn.In addition,the continuous preparation of the core-spun yarn by the conjugated electrospinning technology and the complete fabric production process in the textile industry make it possible for the practical application of the PCCS yarn-based solar evaporator.This work promotes the development of high-performance,long-term and scalable solar desalination devices.
文摘通过中国知网(CNKI)与Web of Science(WOS)核心数据库,检索其中2004年~2024年所收录的环锭包芯纱相关中英文文献,采集相关文献数据。利用CiteSpace知识图谱工具,构建环锭包芯纱研究的知识图谱,对环锭包芯纱领域的年度发文量、作者和国家合作分布、研究热点与发展趋势进行可视化分析。研究发现:国内环锭包芯纱领域年度发文量总体上呈现逐年递减的趋势;国际年度发文量变化幅度较大,整体上是一个增长的态势。
