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
A green synthesis process of silver nanoparticles in an eco-conceptual approach to sustainable development is reported. This eco-friendly process is based on the valorization of a food waste, the peanut shell carrying...A green synthesis process of silver nanoparticles in an eco-conceptual approach to sustainable development is reported. This eco-friendly process is based on the valorization of a food waste, the peanut shell carrying natural chemical compounds able to reduce silver ions. The physicochemical characterizations performed to allow for validation of the success of this green chemistry approach: ultraviolet-visible and infrared spectroscopies validate the formation of silver nanoparticles. X-ray diffraction ensures the good crystallinity of these biogenic nanoparticles, while transmission electron microscopy allows highlighting of the morphology of these biosourced colloids. The results of the study of photocatalytic degradation of a model molecule by these biosynthesized nanoparticles demonstrate that they can be part of a completely sustainable process of depollution from its starting point, i.e., the design of the nanoparticle, to the application of pollution remediation.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
Calcium carbide is considered a possible key component in the sustainable carbon cycle,including convenient recycling of carbon wastes to industrial uptake.However,currently employed CaC2 manufacturing process produce...Calcium carbide is considered a possible key component in the sustainable carbon cycle,including convenient recycling of carbon wastes to industrial uptake.However,currently employed CaC2 manufacturing process produces significant amounts of CO_(2).One of the main factors of its appearance is the formation of carbon oxide during the reaction.The reaction of lime ore with coal inevitably results in the formation of CO and the loss of one carbon atom.CO is usually burnt,forming CO_(2) to maintain the required high temperature during synthesis – 2200 ℃.In the present study,we discuss that the use of calcium metal instead of lime represents a good opportunity to prevent CO_(2) emission since the reaction of Ca with carbon occurs in an atom-efficient manner and results in only CaC_(2) at a much lower temperature of 1100 ℃.Here,the reaction of Ca with carbon was successfully tested to synthesize CaC_(2).The desired product was isolated in gram-scale amounts in 97.2% yield and 99% purity.The environmental friendliness of the proposed method originates from the calculations of the E-factor.Rationalization is provided concerning the cost factor of Ca within the considered process.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.
文摘A green synthesis process of silver nanoparticles in an eco-conceptual approach to sustainable development is reported. This eco-friendly process is based on the valorization of a food waste, the peanut shell carrying natural chemical compounds able to reduce silver ions. The physicochemical characterizations performed to allow for validation of the success of this green chemistry approach: ultraviolet-visible and infrared spectroscopies validate the formation of silver nanoparticles. X-ray diffraction ensures the good crystallinity of these biogenic nanoparticles, while transmission electron microscopy allows highlighting of the morphology of these biosourced colloids. The results of the study of photocatalytic degradation of a model molecule by these biosynthesized nanoparticles demonstrate that they can be part of a completely sustainable process of depollution from its starting point, i.e., the design of the nanoparticle, to the application of pollution remediation.
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.
基金supported by RSF 21-73-20003 and SPSU(ID 94030064)。
文摘Calcium carbide is considered a possible key component in the sustainable carbon cycle,including convenient recycling of carbon wastes to industrial uptake.However,currently employed CaC2 manufacturing process produces significant amounts of CO_(2).One of the main factors of its appearance is the formation of carbon oxide during the reaction.The reaction of lime ore with coal inevitably results in the formation of CO and the loss of one carbon atom.CO is usually burnt,forming CO_(2) to maintain the required high temperature during synthesis – 2200 ℃.In the present study,we discuss that the use of calcium metal instead of lime represents a good opportunity to prevent CO_(2) emission since the reaction of Ca with carbon occurs in an atom-efficient manner and results in only CaC_(2) at a much lower temperature of 1100 ℃.Here,the reaction of Ca with carbon was successfully tested to synthesize CaC_(2).The desired product was isolated in gram-scale amounts in 97.2% yield and 99% purity.The environmental friendliness of the proposed method originates from the calculations of the E-factor.Rationalization is provided concerning the cost factor of Ca within the considered process.
文摘介绍了2008年美国总统绿色化学挑战奖获奖项目的创新与价值。5个奖项分别是:①密歇根州立大学的M aleczka教授与Sm ith教授开发了一种新的化学合成方法,由碳氢化合物直接生成烷基硼酸酯,反应条件温和且产生废物最小,获得了学术奖。②美国S iGNa公司开发的新技术使高活性碱金属的储存、运输和处理过程更加安全,获得了小企业奖。③Battelle公司和Advanced Im age Resources(AIR)公司合成了一种生物基墨粉,获得了绿色合成路线奖,这种新技术节省大量的石油资源并有利于纸纤维的回收利用。④纳尔科(Nalco)公司开发了3D TRASAR冷却水监测和控制系统,该技术节省水和能源,减少了水处理药剂用量,降低了外排水对环境的影响,因而获得了绿色反应条件奖。⑤美国陶氏益农公司(Dow AgroSc iences)研发的生物杀虫剂(多杀菌素嘧菌环胺),优于现有的杀虫剂,有明显环境效益和社会效益,因而获得了绿色化学品设计奖。
