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ACS Appl Mater Interfaces. 2015 Dec 23;7(50):27685-93. doi: 10.1021/acsami.5b08282. Epub 2015 Dec 9.

Three-Dimensional Porous Iron Vanadate Nanowire Arrays as a High-Performance Lithium-Ion Battery.

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Key Lab of Green Processing and Functional Textiles of New Textile Materials, Ministry of Education, College of Material Science and Engineering, Wuhan Textile University , Wuhan 430073, People's Republic of China.
State Key Laboratory of Porous Metal Material, Northwest Institute for Non-ferrous Metal Research , Xi'an 710016, People's Republic of China.
Department of Chemistry and Physics, Fayetteville State University , Fayetteville, North Carolina 28301, United States.
School of Materials Science and Engineering, Wuhan University of Technology , Wuhan 430070, People's Republic of China.


Development of three-dimensional nanoarchitectures on current collectors has emerged as an effective strategy for enhancing rate capability and cycling stability of the electrodes. Herein, a new type of three-dimensional porous iron vanadate (Fe0.12V2O5) nanowire arrays on a Ti foil has been synthesized by a hydrothermal method. The as-prepared Fe0.12V2O5 nanowires are about 30 nm in diameter and several micrometers in length. The effect of reaction time on the resulting morphology is investigated and the mechanism for the nanowire formation is proposed. As an electrode material used in lithium-ion batteries, the unique configuration of the Fe0.12V2O5 nanowire arrays presents enhanced capacitance, satisfying rate capability and good cycling stability, as evaluated by cyclic voltammetry and galvanostatic discharge-charge cycling. It delivers a high discharge capacity of 293 mAh·g(-1) at 2.0-3.6 V or 382.2 mAh·g(-1) at 1.0-4.0 V after 50 cycles at 30 mA·g(-1).


electrode; iron vanadate; lithium-ion battery; nanowire array; one-dimensional


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