The Janus fabrics designed for personal moisture/thermal regulation have garnered significant attention for their potential to enhance human comfort.However,the development of smart and dynamic fabrics capable of mana...The Janus fabrics designed for personal moisture/thermal regulation have garnered significant attention for their potential to enhance human comfort.However,the development of smart and dynamic fabrics capable of managing personal moisture/thermal comfort in response to changing external environments remains a challenge.Herein,a smart cellulose-based Janus fabric was designed to dynamically manage personal moisture/heat.The cotton fabric was grafted with N-isopropylacrylamide to construct a temperature-stimulated transport channel.Subsequently,hydrophobic ethyl cellulose and hydrophilic cellulose nanofiber were sprayed on the bottom and top sides of the fabric to obtain wettability gradient.The fabric exhibits anti-gravity directional liquid transportation from hydrophobic side to hydrophilic side,and can dynamically and continuously control the transportation time in a wide range of 3–66 s as the temperature increases from 10 to 40℃.This smart fabric can quickly dissipate heat at high temperatures,while at low temperatures,it can slow down the heat dissipation rate and prevent the human from becoming too cold.In addition,the fabric has UV shielding and photodynamic antibacterial properties through depositing graphitic carbon nitride nanosheets on the hydrophilic side.This smart fabric offers an innovative approach to maximizing personal comfort in environments with significant temperature variations.展开更多
In this paper,we employed a facile approach to prepare flexible and porous metal-organic frameworks(MOFs)containing cellulose nanofiber(CNF)aerogels(MNCAs)through freeze-drying MOF-containing cellulose nanofiber suspe...In this paper,we employed a facile approach to prepare flexible and porous metal-organic frameworks(MOFs)containing cellulose nanofiber(CNF)aerogels(MNCAs)through freeze-drying MOF-containing cellulose nanofiber suspensions.After coating with methyltrimethoxysilane(MTMS)by chemical vapor deposition,recycled and hydrophobic MTMS-coated MNCAs(MMNCAs)were obtained.Due to the low density(0.009 g/cm^(3)),high porosity(97%)and good mechanical properties of the aerogel,the adsorption capacity of MMNCAs reached up to 210 g/g,which was nearly 3–5 times that of pure CNF aerogels.These prepared aerogels showed excellent oil/water selectivity and high capacity to adsorb oil and organic solvents.This kind of cellulose-based aerogel may be applicable in the field of environmental protection.展开更多
New energy is considered to be an indispensable means to significantly reduce carbon emissions and to achieve the temperature-control goals defined by the Paris Climate Accord.Despite the bright future,the inherent ch...New energy is considered to be an indispensable means to significantly reduce carbon emissions and to achieve the temperature-control goals defined by the Paris Climate Accord.Despite the bright future,the inherent characteristics,including volatility,intermittency and uneven seasonal and geographical distributions,and the rapid growth of installations make it increasingly difficult to connect green electricity to grids.This becomes a dominating bottleneck for the low-carbon transition of China Energy Group(CE).This paper aims to help with the implementation of the new-energy development plan and to define the low-carbon energy-transition path for CE.Based on the current industry structure of CE,Shenhua Engineering Technology Co.,Ltd proposes the concept of an‘integrated energy corridor’.The integrated energy corridor represents a comprehensive energy-transmission channel with coal,green electricity,green hydrogen,green oxygen and other green energy products such as transmission media,railways,pipelines and power grids as transmission means and thermal power,coal chemical plants,cities,etc.along the route as new-energy consumers and regulators.The integrated energy corridor can support the rapid development of new-energy assets and the low-carbon transition of CE.展开更多
基金support of this work by National Key Research and Development Program of China(2019YFC19059003)the Natural Science Foundation of the Jiangsu Higher Education Institutions of China(23KJB430024)+1 种基金Jiangsu Funding Program for Excellent Postdoctoral Talent(2023ZB680)Priority Academic Program Development of Jiangsu Higher Education Institutions(PAPD)are gratefully acknowledged.
文摘The Janus fabrics designed for personal moisture/thermal regulation have garnered significant attention for their potential to enhance human comfort.However,the development of smart and dynamic fabrics capable of managing personal moisture/thermal comfort in response to changing external environments remains a challenge.Herein,a smart cellulose-based Janus fabric was designed to dynamically manage personal moisture/heat.The cotton fabric was grafted with N-isopropylacrylamide to construct a temperature-stimulated transport channel.Subsequently,hydrophobic ethyl cellulose and hydrophilic cellulose nanofiber were sprayed on the bottom and top sides of the fabric to obtain wettability gradient.The fabric exhibits anti-gravity directional liquid transportation from hydrophobic side to hydrophilic side,and can dynamically and continuously control the transportation time in a wide range of 3–66 s as the temperature increases from 10 to 40℃.This smart fabric can quickly dissipate heat at high temperatures,while at low temperatures,it can slow down the heat dissipation rate and prevent the human from becoming too cold.In addition,the fabric has UV shielding and photodynamic antibacterial properties through depositing graphitic carbon nitride nanosheets on the hydrophilic side.This smart fabric offers an innovative approach to maximizing personal comfort in environments with significant temperature variations.
基金the Ministry of Education(Grant No.SWZ-ZD201906)the National Natural Science Foundation of China(Grant No.31770607).
文摘In this paper,we employed a facile approach to prepare flexible and porous metal-organic frameworks(MOFs)containing cellulose nanofiber(CNF)aerogels(MNCAs)through freeze-drying MOF-containing cellulose nanofiber suspensions.After coating with methyltrimethoxysilane(MTMS)by chemical vapor deposition,recycled and hydrophobic MTMS-coated MNCAs(MMNCAs)were obtained.Due to the low density(0.009 g/cm^(3)),high porosity(97%)and good mechanical properties of the aerogel,the adsorption capacity of MMNCAs reached up to 210 g/g,which was nearly 3–5 times that of pure CNF aerogels.These prepared aerogels showed excellent oil/water selectivity and high capacity to adsorb oil and organic solvents.This kind of cellulose-based aerogel may be applicable in the field of environmental protection.
文摘New energy is considered to be an indispensable means to significantly reduce carbon emissions and to achieve the temperature-control goals defined by the Paris Climate Accord.Despite the bright future,the inherent characteristics,including volatility,intermittency and uneven seasonal and geographical distributions,and the rapid growth of installations make it increasingly difficult to connect green electricity to grids.This becomes a dominating bottleneck for the low-carbon transition of China Energy Group(CE).This paper aims to help with the implementation of the new-energy development plan and to define the low-carbon energy-transition path for CE.Based on the current industry structure of CE,Shenhua Engineering Technology Co.,Ltd proposes the concept of an‘integrated energy corridor’.The integrated energy corridor represents a comprehensive energy-transmission channel with coal,green electricity,green hydrogen,green oxygen and other green energy products such as transmission media,railways,pipelines and power grids as transmission means and thermal power,coal chemical plants,cities,etc.along the route as new-energy consumers and regulators.The integrated energy corridor can support the rapid development of new-energy assets and the low-carbon transition of CE.
