MXenes,an innovative class of two-dimensional(2D)materials composed of transition-metal carbides and/or nitrides,have garnered significant interest for their potential in energy storage and conversion applications,whi...MXenes,an innovative class of two-dimensional(2D)materials composed of transition-metal carbides and/or nitrides,have garnered significant interest for their potential in energy storage and conversion applications,which is largely attributed to their modifiable surface terminations,exceptional conductivity,and favorable hydrophilic characteristics.MXenes show various ion transport behaviors in applications like electrochemical catalysis,supercapacitors,and batteries,encompassing processes like electrostatic adsorption of surface ions,redox reactions of ions,and interlayer ion shuttle.This review aims to present a summary of advancements in the comprehension of ion transport behaviors of Ti_(3)C_(2)T_(x)MXenes.First,the composition,properties,and synthesis techniques of MXenes are concisely summarized.Subsequently,the discussion delves into the mechanisms of ion transport in MXenes during CO_(2)reduction,water splitting,supercapacitor operation,and battery performance,elucidating the factors determining the electrochemical behaviors and efficacy.Furthermore,a compilation of strategies used to optimize ion transport behaviors in MXenes is presented.The article concludes by presenting the challenges and opportunities for these fields to facilitate the continued progress of MXenes in energy-related technologies.展开更多
为筛选防治马铃薯晚疫病安全有效的杀菌剂,采用田间试验的方法,研究了20%氟吗啉·氟啶胺悬浮剂等5种杀菌剂对马铃薯晚疫病的田间防治药效。试验结果表明:20%氟吗啉·氟啶胺悬浮剂360 g a.i./hm^2、687.5 g/L氟菌·霜霉威悬...为筛选防治马铃薯晚疫病安全有效的杀菌剂,采用田间试验的方法,研究了20%氟吗啉·氟啶胺悬浮剂等5种杀菌剂对马铃薯晚疫病的田间防治药效。试验结果表明:20%氟吗啉·氟啶胺悬浮剂360 g a.i./hm^2、687.5 g/L氟菌·霜霉威悬浮剂1 030 g a.i./hm^2、500 g/L氟啶胺悬浮剂240 g a.i./hm^2药剂处理对马铃薯晚疫病的防效均达80%以上,50%烯酰吗啉可湿性粉剂225 g a.i./hm^2、80%代森锰锌可湿性粉剂2 160 g a.i./hm^2也具有良好的防治效果,可作为有效防治药剂交替使用,在试验用量下对马铃薯植株安全未出现药害和其他不良反应。同时,结合本地区的马铃薯种植情况、气候条件和杀菌剂使用现状,选择合适的药剂进行防治。展开更多
基金Yongjiang Innovative Individual Introduction of ChinaNingbo Top-talent Team Program,Program for the National Natural Science Foundation of ChinaChina Postdoctoral Science Foundation,Grant/Award Numbers:2022M723253,2023M733597。
文摘MXenes,an innovative class of two-dimensional(2D)materials composed of transition-metal carbides and/or nitrides,have garnered significant interest for their potential in energy storage and conversion applications,which is largely attributed to their modifiable surface terminations,exceptional conductivity,and favorable hydrophilic characteristics.MXenes show various ion transport behaviors in applications like electrochemical catalysis,supercapacitors,and batteries,encompassing processes like electrostatic adsorption of surface ions,redox reactions of ions,and interlayer ion shuttle.This review aims to present a summary of advancements in the comprehension of ion transport behaviors of Ti_(3)C_(2)T_(x)MXenes.First,the composition,properties,and synthesis techniques of MXenes are concisely summarized.Subsequently,the discussion delves into the mechanisms of ion transport in MXenes during CO_(2)reduction,water splitting,supercapacitor operation,and battery performance,elucidating the factors determining the electrochemical behaviors and efficacy.Furthermore,a compilation of strategies used to optimize ion transport behaviors in MXenes is presented.The article concludes by presenting the challenges and opportunities for these fields to facilitate the continued progress of MXenes in energy-related technologies.
文摘为筛选防治马铃薯晚疫病安全有效的杀菌剂,采用田间试验的方法,研究了20%氟吗啉·氟啶胺悬浮剂等5种杀菌剂对马铃薯晚疫病的田间防治药效。试验结果表明:20%氟吗啉·氟啶胺悬浮剂360 g a.i./hm^2、687.5 g/L氟菌·霜霉威悬浮剂1 030 g a.i./hm^2、500 g/L氟啶胺悬浮剂240 g a.i./hm^2药剂处理对马铃薯晚疫病的防效均达80%以上,50%烯酰吗啉可湿性粉剂225 g a.i./hm^2、80%代森锰锌可湿性粉剂2 160 g a.i./hm^2也具有良好的防治效果,可作为有效防治药剂交替使用,在试验用量下对马铃薯植株安全未出现药害和其他不良反应。同时,结合本地区的马铃薯种植情况、气候条件和杀菌剂使用现状,选择合适的药剂进行防治。