Ion mobility in nafion-117 membranes
Web22 mrt. 2013 · Oxygen and hydrogen permeability through Nafion® 117 membrane and recast Nafion film has been studied by means of gas chromatography at different values … Web24 jul. 2015 · The transport characteristics of multivalent cations like Ba 2+ and Eu 3+ have been studied in bi-ionic form of the Nafion-117 membrane. The membranes have been …
Ion mobility in nafion-117 membranes
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WebIn present work, self-diffusion coefficients of water in the Nafion-117 membrane with H +, Li +, Ag +, Na +, K +, Rb + and Cs + monovalent counterions were obtained. The values of logarithm of self-diffusion coefficients were found to vary linearly as a function of polymer volume fraction except for membrane sample with H + counterions. Web21 sep. 2024 · Ion mobility and diffusivity coefficients were determined for cerium ions in Nafion XL perfluorosulfonic acid ionomer membranes at 100% and 50% relative …
WebProton exchange membrane fuel cells (PEMFCs) are used in portable devices to generate electrical energy; however, the efficiency of the PEMFC is currently only 40%. This study demonstrates that the efficiency of a PEMFC can be increased to 61% when 1-butyl-3-methylimidazolium tetrafluoroborate (BMI.BF 4 ) ionic liquid (IL) is used together with the … WebDiffusion permeability of the Nafion-117 mem- ions and anions should take place. Anions are brane equilibrated with LiCl (a), NaCl (b) and KCl (c) solutions as a function of MCl …
Web22 jan. 2024 · Electrochemical Impedance Spectroscopy (EIS) and Pulsed-field gradient nuclear magnetic resonance (PFG-NMR) investigations indicated that an anisotropic …
WebA sulfonated polyethylene–styrene cation exchange membrane: a potential separator material in vanadium redox flow battery applications. Sooraj Sreenath ab, Chetan M. …
Web13 apr. 2024 · The maximum water absorption and best performance are found in the composite membrane containing TNT, proving that inorganic fillers' ability to absorb and retain water can enhance the connectivity of proton transport channels in PEM and be crucial to high-performance PEM. duxbury thrift shopWeb11 apr. 2024 · Construction of high-density proton transport channels in phosphoric acid doped polybenzimidazole membranes using ionic liquids and metal-organic frameworks. Journal of Power Sources. 2024, 560,... duxbury tide scheduleWebCellulose and its derivatives, and chitosan are biopolymers that are touted as promising green alternatives for fuel cell ion exchange membrane (IEM) components due to their ubiquitous nature leadi... in and out i will surviveWebCited by (117) Recommended articles (6) Journal of Power Sources. Volume 243, 1 December 2013, Pages 519-534. ... worldwide research activities for developing new PEM materials based on non-perfluorinated polymers as alternative to Nafion for DMFCs. A review of membrane properties is carried out on the basis of thermal stability, ... duxbury thrift shop hoursWeb11 mrt. 2024 · Their main task is the selective transfer of certain ions and prevention of transfer of other ions or molecules, and the most important characteristics are ionic … in and out idcWeb26 nov. 2024 · 31.16: Membrane. Dupont’s Nafion ™ ion exchange membrane forms the basis of the proton exchange membrane fuel cell. Each company involved in the … in and out idaho fallsWebNafion™ N117 € 310.20 Size Add to cart SKU: N/A Category: Nafion™ Description Additional information Reviews (0) Description Thickness: 177.8 µm (microns) EW 1100 … in and out huntington park