MXenes,a two-dimensional transition metal carbide,nitride,and carbonitride family,have received a lot of interest in recent years due to their unique properties and diverse applications.This review presents a comprehe...MXenes,a two-dimensional transition metal carbide,nitride,and carbonitride family,have received a lot of interest in recent years due to their unique properties and diverse applications.This review presents a comprehensive analysis of the applications and electrochemical characteristics of MXenes,providing a nuanced viewpoint on their potential impact in variousfields.MXenes have a large surface area,high electrical conductivity,and variable surface chemistry,making them appealing candidates for energy storage,catalysis,sensing,and electronic device applications.The electrochemical characteristics of MXenes are fully investigated,including charge storage capacity and ion diffusion kinetics,highlighting their usefulness for supercapacitors,lithium-ion batteries,and other energy storage devices.Furthermore,this study digs into the interactions of MXenes with various electrolytes,offering insight into the obstacles and potential related to their practical application.The review also discusses the strategies employed to modify MXene properties and enhance their performance in surface chemistries across various energy storage devices and bio/sensor and clarify the correlations between their electrochemical properties and the required functions.Ultimately,this work provides a comprehensive outlook on the current state of MXene research,emphasizing the potentially transformative role of these materials in advancing technology across various domains.展开更多
Amide is essential in biologically active compounds,synthetic materials,and building blocks.However,conventional amide production relies on energyintensive consumption and activating agents that modulate processes to ...Amide is essential in biologically active compounds,synthetic materials,and building blocks.However,conventional amide production relies on energyintensive consumption and activating agents that modulate processes to construct the C–N bond.Herein,for the first time,we have successfully realized the formation of amides at industrial current density via the anodic coelectrolysis of alcohol and ammonia under ambient conditions.We have proved thatmodulation of the interface microenvironment concentration of nucleophile by electrolyte engineering can regulate the reaction pathways of amides rather than acetic acids.The C-N coupling strategy can be further extended to the electrosynthesis of the long-chain and aryl-ring amide with high selectivity by replacing ammonia with amine.Our work opens up a vast store of information on the utilization of biomass alcohol for high-value N-containing chemicals via an electrocatalytic C-N coupling reaction.展开更多
文摘MXenes,a two-dimensional transition metal carbide,nitride,and carbonitride family,have received a lot of interest in recent years due to their unique properties and diverse applications.This review presents a comprehensive analysis of the applications and electrochemical characteristics of MXenes,providing a nuanced viewpoint on their potential impact in variousfields.MXenes have a large surface area,high electrical conductivity,and variable surface chemistry,making them appealing candidates for energy storage,catalysis,sensing,and electronic device applications.The electrochemical characteristics of MXenes are fully investigated,including charge storage capacity and ion diffusion kinetics,highlighting their usefulness for supercapacitors,lithium-ion batteries,and other energy storage devices.Furthermore,this study digs into the interactions of MXenes with various electrolytes,offering insight into the obstacles and potential related to their practical application.The review also discusses the strategies employed to modify MXene properties and enhance their performance in surface chemistries across various energy storage devices and bio/sensor and clarify the correlations between their electrochemical properties and the required functions.Ultimately,this work provides a comprehensive outlook on the current state of MXene research,emphasizing the potentially transformative role of these materials in advancing technology across various domains.
基金supported by the National Key R&D Program of China(grant no.2020YFA0710000)the National Natural Science Foundation of China(grant no.22122901)+1 种基金the Provincial Natural Science Foundation of Hunan(grant nos.2021JJ0008,2021JJ20024,2021RC3054,and 2020JJ5045)the Shenzhen Science and Technology Program(grant no.JCYJ20210324140610028).
文摘Amide is essential in biologically active compounds,synthetic materials,and building blocks.However,conventional amide production relies on energyintensive consumption and activating agents that modulate processes to construct the C–N bond.Herein,for the first time,we have successfully realized the formation of amides at industrial current density via the anodic coelectrolysis of alcohol and ammonia under ambient conditions.We have proved thatmodulation of the interface microenvironment concentration of nucleophile by electrolyte engineering can regulate the reaction pathways of amides rather than acetic acids.The C-N coupling strategy can be further extended to the electrosynthesis of the long-chain and aryl-ring amide with high selectivity by replacing ammonia with amine.Our work opens up a vast store of information on the utilization of biomass alcohol for high-value N-containing chemicals via an electrocatalytic C-N coupling reaction.
