Ilmenite FeTiO3 nanoflowers and their pseudocapacitance

Tao, Tao, Glushenkov, Alexey M., Liu, Hongwei, Liu, Zongwen, Dai, Xiujuan J., Chen, Hua, Ringer, Simon P. and Chen, Ying 2011, Ilmenite FeTiO3 nanoflowers and their pseudocapacitance, Journal of physical chemistry C, vol. 115, no. 35, pp. 17297-17302.

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Title Ilmenite FeTiO3 nanoflowers and their pseudocapacitance
Author(s) Tao, Tao
Glushenkov, Alexey M.
Liu, Hongwei
Liu, Zongwen
Dai, Xiujuan J.
Chen, Hua
Ringer, Simon P.
Chen, Ying
Journal name Journal of physical chemistry C
Volume number 115
Issue number 35
Start page 17297
End page 17302
Total pages 6
Publisher American Chemical Society
Place of publication Washington, D. C.
Publication date 2011-07-29
ISSN 1932-7447
1932-7455
Summary Pronounced and stable pseudocapacitance has been found in flowerlike FeTiO3 nanostructures that were synthesized from ball-milled ilmenite (natural mineral) under mild hydrothermal conditions. Each nanoflower is composed of many thin petals with a thickness of 5–20 nm and a width of 100–200 nm. The formation of these flowerlike nanostructures is attributed to a dissolution–precipitation mechanism involving an intermediate sodium-containing phase. Electrochemical properties of the obtained FeTiO3 nanostructures are evaluated in aqueous electrolytes. The capacitance of 122 ± 14.5 F/g is measured in 1 M KOH aqueous electrolyte at the current rate of 500 mA/g, and 50 ± 6 F/g is retained at 5 A/g. The material has good long-term cycling stability. According to our data, FeTiO3 nanostructures show functionality as an electrode material for supercapacitors.
Language eng
Field of Research 100708 Nanomaterials
Socio Economic Objective 850602 Energy Storage (excl. Hydrogen)
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2011, American Chemical Society.
Persistent URL http://hdl.handle.net/10536/DRO/DU:30040554

Document type: Journal Article
Collection: Centre for Material and Fibre Innovation
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