Sustainable energy is the key issue for the environment protection,human activity and economic development.Ionic liquids(ILs)and deep eutectic solvents(DESs)are dogmatically regarded as green and sustainable electroly...Sustainable energy is the key issue for the environment protection,human activity and economic development.Ionic liquids(ILs)and deep eutectic solvents(DESs)are dogmatically regarded as green and sustainable electrolytes in lithium-ion,lithium-metal(e.g.,lithium-sulphur,lithium-oxygen)and post-lithium-ion(e.g.,sodium-ion,magnesium-ion,and aluminum-ion)batteries.High electrochemical stability of ILs/DESs is one of the prerequisites for green,sustainable and safe energy;while easy electrochemical decomposition of ILs/DESs would be contradictory to the concept of green chemistry by adding the cost,releasing volatile/hazardous by-products and hindering the recyclability.However,(1)are ILs/DESs-based electrolytes really electrochemically stable when they are not used in batteries?(2)are ILs/DESs-based electrolytes really electrochemically stable in real batteries?(3)how to design ILs/DESs-based electrolytes with high electrochemical stability for batteries to achieve sustainability and green development?Up to now,there is no summary on this topic,to the best of our knowledge.Here,we review the effect of chemical structure and non-structural factors on the electrochemical stability of ILs/DESs in simulated conditions.More importantly,electrochemical stability of ILs/DESs in real lithium-ion,lithium-metal and post-lithium-ion batteries is concluded and compared.Finally,the strategies to improve the electrochemical stability of ILs/DESs in lithium-ion,lithium-metal and post-lithium-ion batteries are proposed.This review would provide a guide to design ILs/DESs with high electrochemical stability for lithium-ion,lithium-metal and postlithium-ion batteries to achieve sustainable and green energy.展开更多
Synthetic N-heterocyclic compounds,such as quinoxalines,have shown a crucial role in pharmaceutical as well as food and dye industries.However,the traditional synthesis toward N-heterocycles relies on multistep energy...Synthetic N-heterocyclic compounds,such as quinoxalines,have shown a crucial role in pharmaceutical as well as food and dye industries.However,the traditional synthesis toward N-heterocycles relies on multistep energy and costintensive non-sustainable processes.Here,we report a facile approach that allows one-step conversion of biomass-derived carbohydrates to valuable quinoxalines in the presence of aryl-1,2-diamines in water without any harmful metal catalysts/organic solvents via spontaneously engineering involved cascade reactions under hydrothermal conditions.Aryl-1,2-diamines are revealed as the key to propel this transformation through boosting carbohydrate fragmentation into small 1,2-dicarbonyl intermediates and subsequently trapping them for constituting stable quinoxaline scaffolds therefore avoiding a myriad of undesired side reactions.The tunability of product selectivity can be also achievable by adjusting the basicity of the reaction environment.Both batch and continuous-flow integrated processes were verified for production of quinoxalines in an exceptionally eco-benign manner(E-factor<1),showing superior sustainability and economic viability.展开更多
The current global plastic crisis is triggered by several factors including increased costs of petrochemical feedstock and Covid-19 disruption of the transport sector(Yuan et al.,2021).This disruption of world-wide su...The current global plastic crisis is triggered by several factors including increased costs of petrochemical feedstock and Covid-19 disruption of the transport sector(Yuan et al.,2021).This disruption of world-wide supply chains of polyethylene,polypropylene and other petroleum-based hydrocarbon chemicals has significantly increased shortage and prices of plastics in for example Europe over the last year,hence calling for sustainable alternatives to conventional plastics(WMW,2021,European Plastic Manufacturers sound the Alarm Bell on Supply Chain Disruption,Waste Management World.).This is critical due to extensive use of the non-biodegradable personal protective equipment(PPE)masks in the current pandemic,which might be even worse than the shortage of polyolefins at the moment(Deng et al.,2022).展开更多
Electrochemical methodologies provide a wide arsenal of options for analytical sensors,providing a high sensitivity,short analysis time,low-cost,possibility for miniaturization,and are readily portable solutions.One c...Electrochemical methodologies provide a wide arsenal of options for analytical sensors,providing a high sensitivity,short analysis time,low-cost,possibility for miniaturization,and are readily portable solutions.One common theme within the literature is the use of the word“green”.The use of this terminology is intended to demonstrate the development of electroanalytical sensing platforms utilizing biodegradable and sustainable materials.In many cases,the claims of“green”electroanalytical platforms is questionable.This minireview looks to address the green credentials that are utilized in the pursuit of electroanalytical sensors,offering insights into future research opportunities.展开更多
基金supported by National Natural Science Foundation of China(22103030,22073112)Youth Topnotch Talent Program of Hebei Institution of Higher Learning(BJ2021057)for financial support.
文摘Sustainable energy is the key issue for the environment protection,human activity and economic development.Ionic liquids(ILs)and deep eutectic solvents(DESs)are dogmatically regarded as green and sustainable electrolytes in lithium-ion,lithium-metal(e.g.,lithium-sulphur,lithium-oxygen)and post-lithium-ion(e.g.,sodium-ion,magnesium-ion,and aluminum-ion)batteries.High electrochemical stability of ILs/DESs is one of the prerequisites for green,sustainable and safe energy;while easy electrochemical decomposition of ILs/DESs would be contradictory to the concept of green chemistry by adding the cost,releasing volatile/hazardous by-products and hindering the recyclability.However,(1)are ILs/DESs-based electrolytes really electrochemically stable when they are not used in batteries?(2)are ILs/DESs-based electrolytes really electrochemically stable in real batteries?(3)how to design ILs/DESs-based electrolytes with high electrochemical stability for batteries to achieve sustainability and green development?Up to now,there is no summary on this topic,to the best of our knowledge.Here,we review the effect of chemical structure and non-structural factors on the electrochemical stability of ILs/DESs in simulated conditions.More importantly,electrochemical stability of ILs/DESs in real lithium-ion,lithium-metal and post-lithium-ion batteries is concluded and compared.Finally,the strategies to improve the electrochemical stability of ILs/DESs in lithium-ion,lithium-metal and post-lithium-ion batteries are proposed.This review would provide a guide to design ILs/DESs with high electrochemical stability for lithium-ion,lithium-metal and postlithium-ion batteries to achieve sustainable and green energy.
基金supported by the National Natural Science Foundation of China(21932006)the China Postdoctoral Science Foundation(2019M652058)
文摘Synthetic N-heterocyclic compounds,such as quinoxalines,have shown a crucial role in pharmaceutical as well as food and dye industries.However,the traditional synthesis toward N-heterocycles relies on multistep energy and costintensive non-sustainable processes.Here,we report a facile approach that allows one-step conversion of biomass-derived carbohydrates to valuable quinoxalines in the presence of aryl-1,2-diamines in water without any harmful metal catalysts/organic solvents via spontaneously engineering involved cascade reactions under hydrothermal conditions.Aryl-1,2-diamines are revealed as the key to propel this transformation through boosting carbohydrate fragmentation into small 1,2-dicarbonyl intermediates and subsequently trapping them for constituting stable quinoxaline scaffolds therefore avoiding a myriad of undesired side reactions.The tunability of product selectivity can be also achievable by adjusting the basicity of the reaction environment.Both batch and continuous-flow integrated processes were verified for production of quinoxalines in an exceptionally eco-benign manner(E-factor<1),showing superior sustainability and economic viability.
文摘The current global plastic crisis is triggered by several factors including increased costs of petrochemical feedstock and Covid-19 disruption of the transport sector(Yuan et al.,2021).This disruption of world-wide supply chains of polyethylene,polypropylene and other petroleum-based hydrocarbon chemicals has significantly increased shortage and prices of plastics in for example Europe over the last year,hence calling for sustainable alternatives to conventional plastics(WMW,2021,European Plastic Manufacturers sound the Alarm Bell on Supply Chain Disruption,Waste Management World.).This is critical due to extensive use of the non-biodegradable personal protective equipment(PPE)masks in the current pandemic,which might be even worse than the shortage of polyolefins at the moment(Deng et al.,2022).
文摘Electrochemical methodologies provide a wide arsenal of options for analytical sensors,providing a high sensitivity,short analysis time,low-cost,possibility for miniaturization,and are readily portable solutions.One common theme within the literature is the use of the word“green”.The use of this terminology is intended to demonstrate the development of electroanalytical sensing platforms utilizing biodegradable and sustainable materials.In many cases,the claims of“green”electroanalytical platforms is questionable.This minireview looks to address the green credentials that are utilized in the pursuit of electroanalytical sensors,offering insights into future research opportunities.
