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典型文献
Nb2O5 nanoparticles embedding in graphite hybrid as a high-rate and long-cycle anode for lithium-ion batteries
文献摘要:
Lithium-ion batteries(LIBs)have exhibited extraordinary prospects due to their high energy and power density.However,the future development of LIB sis largely impeded by poor rate performance and cycling stability of the graphite anode.Here,we demonstrate a practical niobium pentoxide and graphite(Nb2O5/G)hybrid anode for high-performance LIBs via the scalable high-energy ball milling method.The as-prepared Nb2O5/G anode shows fast charging capability due to outstanding electrochemical kinetics from the surface pseudocapacitive insertion reaction of Nb2O5.Therefore,compared with pure graphite,the optimized 10%-Nb2O5/G hybrid anode(WNb2O5∶ Wgraphite=10∶90)exhibited high rate capacity of 270.0 mAh·g-1 at the current density of 2.0C(1.0C=372 mA.g-1)and high reversible capacity of 339.7 mAh·g-1 at 1.0C,together with better cyclic stability(340 cycles).This work provides an effective route toward LIBs with high rate and long cycle for a broad range of applications.
文献关键词:
作者姓名:
Meng Zhang;Yu-Xuan He;Han-Jiao Xu;Can Ma;Jun-Fei Liang;Ya-Ya Wang;Jian Zhu
作者机构:
State Key Laboratory for Chemo/Biosensing and Chemometrics,Hunan University,Changsha 410082,China;College of Chemistry and Chemical Engineering,Hunan University,Changsha 410082,China;Hunan Key Laboratory of Two-Dimensional Materials,Hunan University,Changsha 410082,China;Engineering Research Center of Advanced Catalysis,Ministry of Education,Hunan University,Changsha 410082,China;School of Energy and Power Engineering,North University of China,Taiyuan 030051,China
引用格式:
[1]Meng Zhang;Yu-Xuan He;Han-Jiao Xu;Can Ma;Jun-Fei Liang;Ya-Ya Wang;Jian Zhu-.Nb2O5 nanoparticles embedding in graphite hybrid as a high-rate and long-cycle anode for lithium-ion batteries)[J].稀有金属(英文版),2022(03):814-821
A类:
WNb2O5,Wgraphite
B类:
nanoparticles,embedding,hybrid,high,long,anode,lithium,batteries,Lithium,LIBs,have,exhibited,extraordinary,prospects,due,their,energy,power,density,However,future,development,sis,largely,impeded,by,poor,performance,cycling,stability,Here,demonstrate,practical,niobium,pentoxide,via,scalable,ball,milling,method,prepared,shows,fast,charging,capability,outstanding,electrochemical,kinetics,from,surface,pseudocapacitive,insertion,reaction,Therefore,compared,pure,optimized,capacity,mAh,current,0C,reversible,together,better,cyclic,cycles,This,work,provides,effective,route,toward,broad,range,applications
AB值:
0.533184
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