Nanofiber network ion-exchange membranes
Witryna10 kwi 2024 · Lesioned tissue requires synchronous control of disease and regeneration progression after surgery. It is necessary to develop therapeutic and regenerative … Witryna1 gru 2009 · An entirely new approach for fabricating proton conducting fuel cell membranes, based on the forced assembly of ionomeric and uncharged polymers, has been developed. An electrospun mat of proton-conducting polymeric nanofibers is created and then intersecting fibers are welded to produce a three-dimensional …
Nanofiber network ion-exchange membranes
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Witryna25 wrz 2009 · A new type of proton conducting fuel cell membrane has been fabricated and evaluated via preliminary physical property determinations. The membrane is … Witryna9 cze 2008 · Abstract: The unique functions of nanofibers (NFs) are based on their nanoscale cross-section, high specific surface area, and high molecular orientation, …
Witryna15 kwi 2024 · A completely different approach of producing nanofiber network ion-exchange membranes was proposed by Choi et al. in 2007, using a four-step procedure (Table 5): 1) electrospinning of an ion-functionalized polymer, 2) compacting the nanofibrous mat to increase the volume density in the final membrane, 3) polymer … Witryna3 lip 2024 · The ion-exchange separation efficiency of the CL-g-PEAA anion-exchange membranes, evaluated using bovine serum albumin (BSA), exhibited an excellent static adsorption of 239 mg/g of nanofibers. The BSA dynamic binding capacity in flow through mode at 10% breakthrough of these membranes was 69 mg/g (corresponding to a …
Witryna15 lut 2024 · A weak ion-exchange membrane (P-COOH) was synthesized by alkaline hydrolysis of a polyacrylonitrile nanofiber membrane prepared by electrospinning process. The P-COOH membrane was characterized for its physical properties and its application for purification of lysozyme from chicken egg white was investigated. Witryna17 lis 2016 · The membranes were prepared by grafting poly (acrylic acid) (PAA) and poly (itaconic acid) (PIA) to cellulose nanofiber mats. Performance measurements …
WitrynaAbstract. Proton-conducting nanofiber hybrid membranes (PC-NFHMs) as promising candidates, are widely used for proton exchange membrane fuel cells (PEMFCs), …
Witryna16 wrz 2015 · This Focus Review summarizes our recent work on the development of ion conductive nanofibers and their applications to polymer electrolyte fuel cell … clishmaclaver or bavardageWitryna6 maj 2024 · A proton exchange membrane (PEM) is the core component of a proton exchange membrane fuel cell (PEMFC), and provides a channel for the migration and transportation of protons [].Its quality directly affects the service life of the battery [2,3].Perfluorosulfonic acid (PFSA) proton exchange membranes are composed of … cli shell awsWitryna12 kwi 2024 · Electrospinning can be used to create nanofibers with diameters of typically a few tens to a few hundred nanometers. While pure polymers are often electrospun, it is also possible to use polymer blends or to include nanoparticles. In this way, e.g., magnetic nanofiber networks can be created with a certain diameter distribution, … cli sheetzWitryna12 lut 2024 · The obtained membranes displayed an ion exchange capacity (IEC) close to 1.9 mmol g–1 and ionic (OH-) conductivity as high as 130 mS cm–1 at 80 °C. ... Highly conductive anion exchange ... clishitWitryna9 lis 2024 · Considering the critical energy challenges and the generation of zero-emission anion exchange membrane (AEM) sources, chitosan-based anion exchange membranes have garnered considerable interest in fuel cell applications owing to their various advantages, including their eco-friendly nature, flexibility for structural … clisherWitryna5 wrz 2024 · Properties are mutually determined by nanofiber network and crosslinking action of glutaraldehyde and polyethyleneimine. Abstract. ... Water flux of as-prepared … bob thornburg miamiWitryna12 kwi 2024 · For reuses, nanofiber containing Pb 2+ need to be centrifuged along with HCL solution and filtered to separate the nanofibers from Pb 2+. The large-scale adsorption of Pb 2+ in this study was related to the high surface area, vacant sites on the surface of the nanofiber and the interfibrous network of the nanofiber (Malik et al. … bob thong