Articles with "nafion membrane" as a keyword



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Modification of Nafion membrane by polyaniline providing uniform polymer distribution throughout the membrane

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Published in 2018 at "Colloid and Polymer Science"

DOI: 10.1007/s00396-018-4431-7

Abstract: Oxidative polymerization of aniline in the presence of Nafion membranes has been carried out in a water–isopropanol mixture after preliminary impregnation of the membrane with the monomer (aniline) in aqueous isopropanol. Uniform distribution of polyaniline… read more here.

Keywords: nafion; water; nafion membrane; membrane ... See more keywords
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Effect of nano-size of functionalized silica on overall performance of swelling-filling modified Nafion membrane for direct methanol fuel cell application

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Published in 2018 at "Applied Energy"

DOI: 10.1016/j.apenergy.2018.01.052

Abstract: Abstract A non-destructive swelling-filling (SF) strategy is applied for inorganic modification on Nafion by using functionalized silica (F-silica) nanoparticles as fillers. With the facilely prepared F-silica gel as SF treating agent, the mono-dispersed F-silica nanoparticles… read more here.

Keywords: nafion; methanol; application; swelling filling ... See more keywords
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Non-destructive modification on Nafion membrane via in-situ inserting of sheared graphene oxide for direct methanol fuel cell applications

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Published in 2018 at "Electrochimica Acta"

DOI: 10.1016/j.electacta.2018.06.072

Abstract: Abstract Based on a swelling-filling modification strategy, sheared graphene oxide (SGO) sheets are in -situ inserted into the Nafion membrane and act as bi-functional fillers to simultaneously improve the methanol-permeation resistivity and proton conductivity. Proton/methanol… read more here.

Keywords: graphene oxide; nafion; methanol; nafion membrane ... See more keywords
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Orientated graphene oxide/Nafion ultra-thin layer coated composite membranes for vanadium redox flow battery

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Published in 2017 at "International Journal of Hydrogen Energy"

DOI: 10.1016/j.ijhydene.2017.07.049

Abstract: Abstract Graphene oxide (GO)/Nafion composite membranes, with orientated GO nanosheets in parallel to the surface of the ultra-thin coating layer (400–440 nm), are prepared by spin coating method and evidenced by electron microscopy analysis. Orientation of… read more here.

Keywords: graphene oxide; nafion; ultra thin; vanadium ... See more keywords
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Enhanced ammonia recovery from wastewater by Nafion membrane with highly porous honeycomb nanostructure and its mechanism in membrane distillation

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Published in 2019 at "Journal of Membrane Science"

DOI: 10.1016/j.memsci.2019.117265

Abstract: Abstract Removing nitrogen from wastewater by conventional treatment methods requires substantial energy, only to release it back to the atmosphere as gaseous nitrogen. Herein, we investigated the applicability of membrane distillation (MD) in resource recovery… read more here.

Keywords: ammonia recovery; membrane distillation; membrane; nafion ... See more keywords
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Investigation the proton transport in highly hydrated Nafion membrane doping with SiO2 nanoparticles by molecular dynamics simulation

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Published in 2018 at "Thin Solid Films"

DOI: 10.1016/j.tsf.2018.03.054

Abstract: Abstract In this study, molecular dynamics simulations were employed to study the mechanism of the transport of hydronium ions in a Nafion membrane incorporated with SiO2 nanoparticles at 300 K. The SiO2 contents were 1.55 wt%, 4.51 wt%… read more here.

Keywords: hydrated nafion; transport; proton; nafion membrane ... See more keywords
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Three-Component Domains in the Fully Hydrated Nafion Membrane Characterized by Partial Scattering Function Analysis

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Published in 2021 at "Macromolecules"

DOI: 10.1021/acs.macromol.1c00587

Abstract: A fully hydrated Nafion membrane is generally treated as a three-component system comprising the tetrafluoroethylene-like main chain, the fluorinated side chain ending with a sulfonic acid group, a... read more here.

Keywords: fully hydrated; nafion membrane; hydrated nafion; three component ... See more keywords
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Structure–property relationship study of Nafion XL membrane for high-rate, long-lifespan, and all-climate vanadium flow batteries

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Published in 2017 at "RSC Advances"

DOI: 10.1039/c7ra04996j

Abstract: Vanadium flow batteries (VFB) have become one of the most promising large-scale energy storage technologies owing to their overwhelming advantage in lifespan and power. Development of highly efficient, durable and low-cost ion exchange membranes is… read more here.

Keywords: nafion; flow batteries; rate; nafion membrane ... See more keywords
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Insights into the Influence of Different Pre-Treatments on Physicochemical Properties of Nafion XL Membrane and Fuel Cell Performance

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Published in 2022 at "Polymers"

DOI: 10.3390/polym14163385

Abstract: Perfluorosulfonic acid (PFSA) polymers such as Nafion are the most frequently used Proton Exchange Membrane (PEM) in PEM fuel cells. Nafion XL is one of the most recently developed membranes designed to enhance performance by… read more here.

Keywords: properties nafion; membrane; pre; nafion membrane ... See more keywords