Sb2O3 nanoparticles anchored on N-doped graphene nanoribbons as improved anode for sodium-ion batteries

Sodium-ion batteries (SIBs) are emerging as a promising alternative to conventional lithium-ion technology, due to the abundance of sodium resources. Still, major drawbacks for the commercial application of SIBs lie in the slow kinetic processes and poor cycling performance of the devices. In this w...

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Bibliographic Details
Published in:RSC advances 2021-09, Vol.11 (50), p.31566-31571
Main Authors: Jaramillo-Quintero, Oscar A, Barrera-Peralta, Royer V, Baron-Jaimes, Agustin, Miranda-Gamboa, Ramses A, Rincon, Marina E
Format: Article
Language:English
Subjects:
Anodes
Antimony trioxide
Charge transfer
Chemistry
Electrode materials
Graphene
Lithium ions
Nanocomposites
Nanoparticles
Nanoribbons
Rechargeable batteries
Sodium-ion batteries
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Summary:Sodium-ion batteries (SIBs) are emerging as a promising alternative to conventional lithium-ion technology, due to the abundance of sodium resources. Still, major drawbacks for the commercial application of SIBs lie in the slow kinetic processes and poor cycling performance of the devices. In this work, a hybrid nanocomposite of Sb2O3 nanoparticles anchored on N-doped graphene nanoribbons (GNR) is implemented as anode material in SIBs. The obtained Sb2O3/N-GNR anode delivers a reversible specific capacity of 642 mA h g−1 after 100 cycles at 0.1 A g−1 and exhibits a good rate capability. Even after 500 cycles at 5 A g−1, the specific capacity is maintained at about 405 mA h g−1. Such good Na storage performance is mainly ascribed to the beneficial effect of N doping for charge transfer and to the improved microstructure that facilitates the Na+ diffusion through the overall electrode.
ISSN:2046-2069
DOI:10.1039/d1ra04618g