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dc.contributor.author Ketpang, Kriangsak -
dc.contributor.author Shanmugam, Sangaraju -
dc.contributor.author Suwanboon, Chonlada -
dc.contributor.author Chanunpanich, Noppavan -
dc.contributor.author Lee, Dongha -
dc.date.available 2017-07-11T05:44:02Z -
dc.date.created 2017-04-10 -
dc.date.issued 2015-11 -
dc.identifier.issn 0376-7388 -
dc.identifier.uri http://hdl.handle.net/20.500.11750/2821 -
dc.description.abstract High performance and durable electrolyte membrane operated in polymer electrolyte membrane fuel cells (PEMFCs) under low relative humidity (RH) has been achieved by incorporating various diameter sizes of mesoporous hygroscopic TiO2 nanotubes (TNT) in a perfluorosulfonic acid (Nafion®) membrane. Porous TNTs with different tube diameters are synthesized by thermal annealing the electrospun polymer containing titanium precursor mat at 600°C under an air atmosphere. The diameter of the TNT is significantly controlled by changing the concentration of the precursor solution. Compared to a commercial membrane (Nafion, NRE-212), the Nafion-TNT-10 composite membrane operated under 100% RH at 80°C generates about 1.3 times higher current density at 0.6V, and 3.4 times higher maximum power density operated under dry conditions (18% RH at 80°C). In addition, the Nafion-TNT-10 composite membrane also exhibits stable and durable operation under dry conditions. The remarkably high performance of the Nafion-TNT-10 composite membrane is mainly attributed to the significant reduction of the ohmic resistance as well as the improvement of cathode catalyst utilization by incorporating TNTs, which greatly enhances the water retention and the water management capability through the membrane. Furthermore, Nafion-TNT membranes exhibit superior mechanical property. © 2015 Elsevier B.V. -
dc.publisher Elsevier B.V. -
dc.title Efficient water management of composite membranes operated in polymer electrolyte membrane fuel cells under low relative humidity -
dc.type Article -
dc.identifier.doi 10.1016/j.memsci.2015.06.055 -
dc.identifier.scopusid 2-s2.0-84937053693 -
dc.identifier.bibliographicCitation Journal of Membrane Science, v.493, pp.285 - 298 -
dc.subject.keywordAuthor Nafion composite membrane -
dc.subject.keywordAuthor Mesoporous titanium dioxide nanotubes -
dc.subject.keywordAuthor Water management -
dc.subject.keywordAuthor PEM fuel cells -
dc.subject.keywordAuthor Impedance spectroscopy -
dc.subject.keywordPlus Management Capabilities -
dc.subject.keywordPlus Membrane Conductance -
dc.subject.keywordPlus Membrane Resistance -
dc.subject.keywordPlus MemBRANES -
dc.subject.keywordPlus Mesoporous Titanium Dioxide -
dc.subject.keywordPlus Mesoporous Titanium Dioxide Nanotubes -
dc.subject.keywordPlus NAFION -
dc.subject.keywordPlus Nafion Composite Membrane -
dc.subject.keywordPlus Nafion Composite Membranes -
dc.subject.keywordPlus NANOCOMPOSITE MemBRANE -
dc.subject.keywordPlus NANOPARTICLES -
dc.subject.keywordPlus Nanotube -
dc.subject.keywordPlus NANOTUBES -
dc.subject.keywordPlus Ohmic Contacts -
dc.subject.keywordPlus Pem Fuel Cell -
dc.subject.keywordPlus Pem Fuel Cells -
dc.subject.keywordPlus Perfluorosulfonic ACID -
dc.subject.keywordPlus PERFORMANCE -
dc.subject.keywordPlus Polyelectrolytes -
dc.subject.keywordPlus Polymer -
dc.subject.keywordPlus Polymer Electrolyte Membrane Fuel Cell -
dc.subject.keywordPlus Polymer Electrolyte Membrane Fuel Cell (PemFCs) -
dc.subject.keywordPlus Polymers -
dc.subject.keywordPlus Priority Journal -
dc.subject.keywordPlus Proton -
dc.subject.keywordPlus Proton Exchange Membrane Fuel Cells (PemFC) -
dc.subject.keywordPlus Proton Transport -
dc.subject.keywordPlus Scanning Electron Microscopy -
dc.subject.keywordPlus Silicotungstic ACID -
dc.subject.keywordPlus Solid Electrolytes -
dc.subject.keywordPlus Surface Area -
dc.subject.keywordPlus Surface Charge -
dc.subject.keywordPlus TemPERATURE -
dc.subject.keywordPlus Tensile Strength -
dc.subject.keywordPlus Titania -
dc.subject.keywordPlus Titanium -
dc.subject.keywordPlus Titanium Dioxide Nanoparticle -
dc.subject.keywordPlus Water Absorption -
dc.subject.keywordPlus Water Conservation -
dc.subject.keywordPlus Water Content -
dc.subject.keywordPlus Water Management -
dc.subject.keywordPlus Water Retention -
dc.subject.keywordPlus Water Transport -
dc.subject.keywordPlus X Ray Crystallography -
dc.subject.keywordPlus X Ray Diffraction -
dc.subject.keywordPlus Yarn -
dc.subject.keywordPlus Young Modulus -
dc.subject.keywordPlus Air -
dc.subject.keywordPlus Article -
dc.subject.keywordPlus Artificial Membrane -
dc.subject.keywordPlus Atmosphere -
dc.subject.keywordPlus Biotechnological Procedures -
dc.subject.keywordPlus Catalyst -
dc.subject.keywordPlus Composite Membrane -
dc.subject.keywordPlus Composite Membranes -
dc.subject.keywordPlus Current Density -
dc.subject.keywordPlus Electrochemical Analysis -
dc.subject.keywordPlus Electrochemical Impedance Spectroscopy -
dc.subject.keywordPlus ELECTROLYTE -
dc.subject.keywordPlus Electrolytes -
dc.subject.keywordPlus Electrospinning -
dc.subject.keywordPlus ELEVATED-TemPERATURE -
dc.subject.keywordPlus Energy Resource -
dc.subject.keywordPlus ENHANCED PROTON CONDUCTIVITY -
dc.subject.keywordPlus Fuel Cells -
dc.subject.keywordPlus Gas Diffusion -
dc.subject.keywordPlus Gas Fuel Purification -
dc.subject.keywordPlus HIGH-TemPERATURE -
dc.subject.keywordPlus HUMIDITY -
dc.subject.keywordPlus HYBRID MemBRANES -
dc.subject.keywordPlus Impedance Spectroscopy -
dc.subject.keywordPlus Infrared Spectroscopy -
dc.subject.keywordPlus Ion Exchange -
dc.subject.keywordPlus Low Relative Humidities -
dc.citation.endPage 298 -
dc.citation.startPage 285 -
dc.citation.title Journal of Membrane Science -
dc.citation.volume 493 -

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