Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/127208
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Type: Journal article
Title: Vanadium carbide based composite for high performance oxygen reduction reaction and lithium ion batteries
Author: Yang, J.
Li, L.
Zhang, Y.
Zhang, Y.
Sun, C.
Tan, H.
Huang, W.
Yan, Q.
Dong, X.
Citation: ChemistrySelect, 2016; 1(11):2682-2686
Publisher: Wiley
Issue Date: 2016
ISSN: 2365-6549
2365-6549
Statement of
Responsibility: 
Jun Yang, Laiquan Li, Yu Zhang, Yufei Zhang, Chencheng Sun, Huiteng Tan, Wei Huang, Qingyu Yan, and Xiaochen Dong
Abstract: The fabrication of novel multifunctional nanohybrids of vanadium carbide nanoparticles decorated reduced graphene oxide (RGO) is presented. The resulting composite exhibits large specific surface area and enhanced electrical conductivity, which can effectively increase the number of active sites and facilitate the charge transport. As a result, the V₈C₇/RGO electrode demonstrates comparable oxygen reduction reaction (ORR) catalytic activity with commercial Pt/C in terms of high electron transfer number, high current density and good durability. In particular, the onset potential of the as‐prepared sample is only about 50 mV lower than that of the Pt/C catalyst. When the V₈C₇/RGO was evaluated as anode material for lithium ion batteries (LIBs), the V₈C₇/RGO nanocomposite shows a high reversible specific capacity (1st‐cycle charge capacity of 995.8 mAh g⁻¹ at 0.1 A g⁻¹), a long cycling life (specific capacity of 349.6 mAh g⁻¹ after 400 cycles at 10 A g⁻¹), and an excellent rate performance (e. g. specific capacity of 277.2 mAh g⁻¹ at 10 A g⁻¹).
Keywords: vanadium carbide; nanoparticles; composite; oxygen reduction reaction; lithium ion batteries
Rights: © 2016 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim
RMID: 0030080745
DOI: 10.1002/slct.201600461
Appears in Collections:Chemical Engineering publications

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