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HomeKeywordsNafion®

Keywords: Nafion®

Zn(Ⅱ)-Based Metal-Organic Framework/Nafion® Composite Membrane with High Proton Conductivity for Fuel Cell Applications

Kim H.-J., Kabir L., Kyungpook National University, Daegu 41566, Korea, KR
Metal-organic frameworks (MOFs) can serve as a scaffold to anchor acidic groups and provide efficient proton transfer pathways owing to their highly ordered structures and modular nature. Intentional coordination of MOFs with a conductive polymer [...]

Self-healing Composite Membranes for Fuel Cell Applications

Wang L., Advani S.G., Prasd A.K., University of Delaware, US
Defects in the form of pinholes and cracks can occur in the membrane due to a combination of chemical and mechanical degradation mechanisms during operation of the polymer electrolyte membrane fuel cell. Such defects are [...]

Enhanced fuel cell performance with modified Nafion® membranes

Krishnan L., Yeager G., Clark K., Kerr J., Soloveichik G., Miebach T., GE Global Research, US
The interaction of Nafion® 212 membrane with a carbocyclic fuel, decalin was studied. Decalin treatment of N212 improved vapor sorption and membrane conductivity. In addition a substantial increase of peak power in a H2/Air fuel [...]

Enhanced fuel cell performance with modified Nafion® membranes

Krishnan L., Yeager G., Clark K., Kerr J., Soloveichik G., Miebach T., GE Global Research, US
The interaction of Nafion® 212 membrane with a carbocyclic fuel, decalin was studied. Decalin treatment of N212 improved vapor sorption and membrane conductivity. In addition a substantial increase of peak power in a H2/Air fuel [...]

A Permselective Layered Silicate Modified by Acid-treatment and Its Use for Blocking of Methanol Crossover in DMFC

Yoo H., Kim J.H., Kwak S-Y, Seoul National University, KR
Layered silicates currently find uses in ion-exchange, adsorption, catalysis and fabrication of nanocomposites. Several layered silicates have channel systems or open frameworks within layers. They can be used to solve the problem for direct methanol [...]

A Permselective Layered Silicate Modified by Acid-treatment and Its Use for Blocking of Methanol Crossover in DMFC

Yoo H., Kim J.H., Kwak S-Y, Seoul National University, KR
Layered silicates currently find uses in ion-exchange, adsorption, catalysis and fabrication of nanocomposites. Several layered silicates have channel systems or open frameworks within layers. They can be used to solve the problem for direct methanol [...]

Determination of Pore Size Distribution of Nafion/Sulfated beta-Cyclodextrin

Jeon J-D, Lee B.H., Kwak S-Y, Seoul National Univesity, KR
Direct methanol fuel cells are promising candidates for portable power sources and transport applications. One of the critical problems hindering the commercialization of DMFCs is high methanol permeation rate across proton-exchange membranes. In this study, [...]

Dynamics of Water in Nafion Fuel Cell Membranes: the Effects of

Moilanen D.E., Piletic I.R., Fayer M.D., Stanford University, US
The complex environment experienced by water molecules in the hydrophilic channels of Nafion membranes is studied by ultrafast infrared pump-probe spectroscopy. A wavelength dependent study of the vibrational lifetime of the O-D stretch of dilute [...]

Determination of Pore Size Distribution of Nafion/Sulfated beta-Cyclodextrin

Jeon J-D, Lee B.H., Kwak S-Y, Seoul National Univesity, KR
Direct methanol fuel cells are promising candidates for portable power sources and transport applications. One of the critical problems hindering the commercialization of DMFCs is high methanol permeation rate across proton-exchange membranes. In this study, [...]

Dynamics of Water in Nafion Fuel Cell Membranes: the Effects of

Moilanen D.E., Piletic I.R., Fayer M.D., Stanford University, US
The complex environment experienced by water molecules in the hydrophilic channels of Nafion membranes is studied by ultrafast infrared pump-probe spectroscopy. A wavelength dependent study of the vibrational lifetime of the O-D stretch of dilute [...]

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