Journal
ELECTROCHEMISTRY COMMUNICATIONS
Volume 60, Issue -, Pages 180-184Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.elecom.2015.09.008
Keywords
Vanadium oxychloride; VOCl; Sodium ion battery; Rechargeable battery
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Funding
- China Scholarship Council (CSC)
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Layered vanadium oxychloride (VOCl) was tested as cathode material for rechargeable sodium ion batteries. Electrochemical characterization showed that the VOCl electrode can deliver a discharge capacity of 120 mAh g(-1), at a 0.5 C rate in a voltage range of 1.0-3.0 V vs Na/Na+. A capacity of 80 mAh g(-1) was obtained after 55 cydes at 1 C rate. A combination of intercalation and conversion type reaction of VOCl with Na has been identified by energy-dispersive X-ray spectroscopy (EDX) and ex situ X-ray diffraction (XRD). The results demonstrate the principle feasibility of using VOCl as cathode material for rechargeable sodium ion batteries. (C) 2015 Elsevier B.V. All rights reserved.
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