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Hierarchical Ultrafine Ni 3 V 2 O 8 Nanoparticles Anchored on rGO as High-Performance Anode Materials for Lithium-Ion Batteries
Yang M.1; Fu X.1; Zhang J.1; Wang Z.1; Wang B.1; He L.1; Wu Z.1; Cheng H.1; Pan H.2; Lu Z.1
2019
Source PublicationEnergy Technology
ISSN21944296 21944288
AbstractNi V O is a promising anode material for Li-ion batteries due to its high theoretical capacity that originates from the multivalence of nickel and vanadium. However, its low conductivity results in poor rate performance, and the large volume variation leads to poor stability induced by the inevitable pulverization and aggregation of active materials during cycling. To address these issues, a strategy by anchoring ultrafine Ni V O nanoparticles on reduced graphene oxide with hierarchical architecture (rGO@Ni V O ) is presented. This method is shown to effectively facilitate charge transfer, maintain structural integrity, and accommodate the volume variation during cycling. As a result, the rGO@Ni V O composite manifests a very stable and high reversible capacity of 1050 mA h g over 200 cycles at a current density of 500 and 900 mA h g after the subsequent 200 cycles at 1 A g . Furthermore, excellent rate capability is achieved. More than 45% of the capacity can be retained when the current density is increased from 0.1 to 10 A g .
Keywordhierarchical architecture Li-ion batteries Ni 3 V 2 O 8 nanoparticles reduced graphene oxide
DOI10.1002/ente.201800784
URLView the original
Language英語
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Document TypeJournal article
CollectionUniversity of Macau
Affiliation1.Southern University of Science and Technology
2.Universidade de Macau
Recommended Citation
GB/T 7714
Yang M.,Fu X.,Zhang J.,et al. Hierarchical Ultrafine Ni 3 V 2 O 8 Nanoparticles Anchored on rGO as High-Performance Anode Materials for Lithium-Ion Batteries[J]. Energy Technology,2019.
APA Yang M..,Fu X..,Zhang J..,Wang Z..,Wang B..,...&Lu Z..(2019).Hierarchical Ultrafine Ni 3 V 2 O 8 Nanoparticles Anchored on rGO as High-Performance Anode Materials for Lithium-Ion Batteries.Energy Technology.
MLA Yang M.,et al."Hierarchical Ultrafine Ni 3 V 2 O 8 Nanoparticles Anchored on rGO as High-Performance Anode Materials for Lithium-Ion Batteries".Energy Technology (2019).
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