Journal
ECS ELECTROCHEMISTRY LETTERS
Volume 3, Issue 7, Pages A69-A71Publisher
ELECTROCHEMICAL SOC INC
DOI: 10.1149/2.0031407eel
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Funding
- Global Frontier R&D Program on Center for Hybrid Interface Materials (HIM) - Ministry of Science, ICT & Future Planning [2013-073298]
- National Research Foundation of Korea [2013M3A6B1078875] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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Layered NaV3O8 was prepared by solid-state reaction at 400 degrees C and the phase was confirmed by Synchrotron XRD. The FE-SEM and BET studies revealed plate-type morphologies of micrometer-sized particles with surface area of 7 m(2) g(-1). When tested for Na-ion insertion properties, the plate-type NaV3O8 cathode registered reversible discharge capacities of 90 mAh g(-1) (100% of theoretical value) with a well-defined plateau around 2.5 V and decent capacity retentions at 0.16 C current density. The impressive retention of 61% initial capacity at 10.2 C current densities was attributed to the structural integrity, high surface area and the plate-type morphology. (C) 2014 The Electrochemical Society. All rights reserved.
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