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典型文献
Directional Oxygen Functionalization by Defect in Different Metamorphic-Grade Coal-Derived Carbon Materials for Sodium Storage
文献摘要:
As the limiting factor for an energy storage technique from lab-scale to industrial-scale,cost means not only the price of raw materials but also the simplicity of processing technics.In this work,the oxygen functionalized carbon materials were obtained from three representative different metamorphic-grade coals,that is,lignite,bitumite,anthracite.Oxygen functional groups like quinones,carboxylic anhydrides,and lactones are easier to form near defects according to the thermogravimetric-mass spectrometry measurements and density functional theory calculation.Considering the highest amount of defects and C=O contained functional groups,the low metamorphic-grade lignite derived carbon exhibits a reversible capacity of 259.7 mA h g-1 after 50 cycles at 0.03 A g-1,best among these micron sized coal-based carbons.The surface active sites contribute highly stable and majority of sodium storage capacity evidenced by in situ Raman spectra and cyclic voltammetry curves at different scan rates.The coal-based carbon materials in this work offer options for industrial applications of sodium-ion battery anode materials.
文献关键词:
作者姓名:
Hanqing Zhao;Dan Zhao;Jianqi Ye;Pengfei Wang;Maosheng Chai;Zhong Li
作者机构:
Key Laboratory of Coal Science and Technology of Ministry of Education and Shanxi Province,Taiyuan University of Technology,Taiyuan Shanxi 030024,China;State Key Laboratory of Coal Conversion,Institute of Coal Chemistry,Chinese Academy of Sciences,Taiyuan Shanxi 030001,China;Center for Nano and Micro Mechanics,Tsinghua University,Beijing 100084,China
引用格式:
[1]Hanqing Zhao;Dan Zhao;Jianqi Ye;Pengfei Wang;Maosheng Chai;Zhong Li-.Directional Oxygen Functionalization by Defect in Different Metamorphic-Grade Coal-Derived Carbon Materials for Sodium Storage)[J].能源与环境材料(英文),2022(01):313-320
A类:
bitumite
B类:
Directional,Oxygen,Functionalization,by,Defect,Different,Metamorphic,Grade,Coal,Derived,Carbon,Materials,Sodium,Storage,limiting,energy,storage,technique,from,lab,scale,industrial,cost,means,not,only,price,raw,materials,also,simplicity,processing,technics,In,this,work,oxygen,functionalized,were,obtained,three,representative,different,metamorphic,grade,coals,that,lignite,anthracite,groups,like,quinones,carboxylic,anhydrides,lactones,are,easier,form,near,defects,according,thermogravimetric,mass,spectrometry,measurements,density,theory,calculation,Considering,highest,amount,contained,low,derived,exhibits,reversible,capacity,mA,after,cycles,best,among,these,micron,sized,carbons,surface,active,sites,contribute,highly,stable,majority,sodium,evidenced,situ,Raman,spectra,cyclic,voltammetry,curves,scan,rates,offer,options,applications,battery,anode
AB值:
0.708178
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