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
Wattwil,Switzerland,April l,2025-The art of re-orientation runs through Heberlein's l90-year companyhistory.Georg Philipp Heberlein and his descendants ranan exemplary family business with roots in yarn dyeing.Itd...Wattwil,Switzerland,April l,2025-The art of re-orientation runs through Heberlein's l90-year companyhistory.Georg Philipp Heberlein and his descendants ranan exemplary family business with roots in yarn dyeing.Itdeveloped into a corporate group and ultimately became ahighly spectalised company that is regarded as the world'sleading provider of air interlacing and air texturing jets forsynthetic continuous filament yarns.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Wattwil,Switzerland,April l,2025-The art of re-orientation runs through Heberlein's l90-year companyhistory.Georg Philipp Heberlein and his descendants ranan exemplary family business with roots in yarn dyeing.Itdeveloped into a corporate group and ultimately became ahighly spectalised company that is regarded as the world'sleading provider of air interlacing and air texturing jets forsynthetic continuous filament yarns.
