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Tungsten Trioxide (WO3) Nanoparticles as a New Anode Material for Sodium-Ion Batteries

Santhosha, AL and Das, Shyamal K and Bhattacharyya, Aninda J (2016) Tungsten Trioxide (WO3) Nanoparticles as a New Anode Material for Sodium-Ion Batteries. In: JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY, 16 (4). pp. 4131-4135.

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Tungsten trioxide (WO3) is investigated for the first time as an anode material for sodium-ion batteries. Pristine WO3 displays a discharge potential plateau at 1 V and exhibits a 1st discharge cycle sodium storage capacity of 640 mAh g(-1). Electronic wiring of WO3 with graphene oxide (GO, 1% by weight) led to a significant increase in the storage capacity and cyclability of WO3. As a result, the discharge capacity of 1% GO-WO3 is enhanced to 927 mAh g(-1) in the 1st discharge cycle. The electrochemical intercalation of Na in to WO3 and (1%) GO-WO3 as obtained from galvanostatic charge/discharge cycling is also supported by cyclic voltammetry.

Item Type: Journal Article
Additional Information: Copy right for this article belongs to the AMER SCIENTIFIC PUBLISHERS, 26650 THE OLD RD, STE 208, VALENCIA, CA 91381-0751 USA
Department/Centre: Division of Chemical Sciences > Solid State & Structural Chemistry Unit
Depositing User: Id for Latest eprints
Date Deposited: 03 Dec 2016 10:18
Last Modified: 03 Dec 2016 10:18
URI: http://eprints.iisc.ac.in/id/eprint/55427

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