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典型文献
Metal-organic framework(MOF)-derived selenidation strategy to prepare porous(Zn,Cu)CoSex micro/nanostructures for sodium-ion batteries
文献摘要:
Owning to the wide distribution,low cost,and similar chemical-electrochemical properties with lithium,sodium-ion batteries(SIBs)have attracted much attention during recent years and may have the potential to replace the commercial lithium-ion batteries.Herein,facile and simple bottom-up approach has been rationally applied to fabricate carbon-encapsulated ZnSe@CoSe2 microspheres and Cu2Se@CoSe2 nanocubes.The as-prepared ZnSe@-CoSe2 microspheres and Cu2Se@CoSe2 nanocubes com-posites inherited the original structure of ZnCo-MOF and CuCo-MOF,respectively.Herein,both ZnSe@CoSe2 microspheres and Cu2Se@CoSe2 nanocubes delivered excellent electrochemical performance when presented as anode materials for SIBs.Both ZnSe@CoSe2 microspheres and Cu2Se@CoSe2 nanocubes electrode could display a long-term cycling stability with a reversible capacity of 525 and 423 mAh·g-1 at the current density of 1 A·g-1 after 500 cycles,respectively.Furthermore,even at a high current density of 5 A·g-1,ZnSe@CoSe2 microsphere could still maintain 520 mAh·g-1 after 500 cycles,demonstrating remarkable capacity and excellent cycling performance.Those high performances were beneficial from the unique hollow and porous structure of ZnSe@CoSe2 microspheres and Cu2Se@CoSe2 nanocubes derived from the precursor which facilitate the transport of sodium ions,contributing to high capacity,improved excellent cycle stability and rate capability.
文献关键词:
作者姓名:
Ye-Mao Lin;Hao-Sen Fan;Cai-Zhen Zhu;Jian Xu
作者机构:
College of Chemistry and Environmental Engineering,Shenzhen University,Shenzhen 518060,China;College of Materials Science and Metallurgy Engineering,Guizhou University,Guiyang 550025,China
引用格式:
[1]Ye-Mao Lin;Hao-Sen Fan;Cai-Zhen Zhu;Jian Xu-.Metal-organic framework(MOF)-derived selenidation strategy to prepare porous(Zn,Cu)CoSex micro/nanostructures for sodium-ion batteries)[J].稀有金属(英文版),2022(12):4104-4115
A类:
selenidation,CoSex,Owning
B类:
Metal,organic,framework,MOF,derived,strategy,porous,nanostructures,sodium,batteries,wide,distribution,cost,similar,electrochemical,properties,lithium,SIBs,have,attracted,much,attention,during,recent,years,may,potential,replace,commercial,Herein,facile,simple,bottom,up,approach,has,been,rationally,applied,fabricate,carbon,encapsulated,ZnSe,CoSe2,microspheres,Cu2Se,nanocubes,prepared,posites,inherited,original,ZnCo,CuCo,respectively,both,delivered,excellent,when,presented,anode,materials,Both,electrode,could,display,long,term,cycling,stability,reversible,capacity,mAh,current,density,after,cycles,Furthermore,even,high,still,maintain,demonstrating,remarkable,Those,performances,were,beneficial,from,unique,hollow,precursor,which,facilitate,transport,ions,contributing,improved,capability
AB值:
0.475515
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