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Zirconium oxide nanotube-Nafion composite as high performance membrane for all vanadium redox flow battery

Title
Zirconium oxide nanotube-Nafion composite as high performance membrane for all vanadium redox flow battery
Author(s)
Aziz, Md. AbdulShanmugam, Sangaraju
Issued Date
2017-01-01
Citation
Journal of Power Sources, v.337, pp.36 - 44
Type
Article
Author Keywords
Vanadium redox flow batteryNafion composite membraneZrO2 nanotubesElectrospinningVanadium crossover
Keywords
All Vanadium Redox Flow BatteryBLEND MemBRANECHALLENGESCharge-Discharge CycleComposite MembranesDMFC MemBRANESElectric BatteriesELECTROLYTEElectrospinningENERGY-STORAGEEnergy EfficiencyFlow BatteriesFLUORIDE)FUEL-CELLSHigh Energy EfficiencyHigh Performance CompositesHYBRID MemBRANEIonsMemBRANESNafion Composite MembraneNafion Composite MembranesNANOTUBESOpen Circuit VoltageOXIDESPerfluorosulfonic ACIDPOLY(ETHER ETHER KETONE)PROTON-EXCHANGE MemBRANESProton ConductivitySecondary BatteriesVanadiumVanadium CrossoverVanadium Ion PermeabilitiesVanadium Redox Flow BatteriesVanadium Redox Flow BatteryYarnZirconiaZirconium AlloysZrO2 Nanotubes
ISSN
0378-7753
Abstract
A high-performance composite membrane for vanadium redox flow battery (VRB) consisting of ZrO2 nanotubes (ZrNT) and perfluorosulfonic acid (Nafion) was fabricated. The VRB operated with a composite (Nafion-ZrNT) membrane showed the improved ion-selectivity (ratio of proton conductivity to permeability), low self-discharge rate, high discharge capacity and high energy efficiency in comparison with a pristine commercial Nafion-117 membrane. The incorporation of zirconium oxide nanotubes in the Nafion matrix exhibits high proton conductivity (95.2mScm−1) and high oxidative stability (99.9%). The Nafion-ZrNT composite membrane exhibited low vanadium ion permeability (3.2×10−9cm2min−1) and superior ion selectivity (2.95×107Smin cm−3). The VRB constructed with a Nafion-ZrNT composite membrane has lower self-discharge rate maintaining an open-circuit voltage of 1.3V for 330h relative to a pristine Nafion membrane (29h). The discharge capacity of Nafion-ZrNT membrane (987mAh) was 3.5-times higher than Nafion-117 membrane (280mAh) after 100 charge-discharge cycles. These superior properties resulted in higher coulombic and voltage efficiencies with Nafion-ZrNT membranes compared to VRB with Nafion-117 membrane at a 40mAcm−2 current density. © 2016 Elsevier B.V.
URI
http://hdl.handle.net/20.500.11750/2055
DOI
10.1016/j.jpowsour.2016.10.113
Publisher
Elsevier B.V.
Related Researcher
  • 상가라쥬샨무감 Shanmugam, Sangaraju
  • Research Interests Electrocatalysts for fuel cells; water splitting; metal-air batteries; Polymer electrolyte membranes for fuel cells; flow batteries; Hydrogen generation and utilization
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Appears in Collections:
Department of Energy Science and Engineering Advanced Energy Materials Laboratory 1. Journal Articles

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