A series of perfluorosulfonic membranes is screened for application in vanadium redox flow batteries (VRFB): membranes of constant thickness 50 µm with different ion-exchange capacities ranging from
strip flow method. Perfluorinated ionic membrane as the separation of Yin and Yang in all kinds of cell and battery very solid electrolyte, membrane has the property of unidirectional by cation,
Perfluorinated ion exchange membrane TPD-M10H is a single component perfluorosulfonic acid H-type ion membrane produced by tape casting. As a
Advances in electrochemical water conversion and understanding PEMFC degradation drive progress in hydrogen technologies.
The perfluorosulfonic acid ion exchange membrane prepared by the present invention has high ion selectivity and mechanical strength, and the assembled liquid flow battery has high
Apr 1, 2018 · Abstract A series of perfluorosulfonic membranes is screened for application in vanadium redox flow batteries (VRFB): membranes of constant thickness 50 µm with different
Jun 18, 2024 · Solutions for the Energy Industry Powered by Chemours Science NafionTM perfluorosulfonic acid (PFSA) polymer was invented by Chemours, formerly DuPont, in the
Dec 1, 2016 · Perfluorosulfonic acid (PFSA) ionomers are widely used as an ion-conducting electrolyte in electrochemical energy devices, such as polymer-electrolyte fuel cells (PEFCs)
Apr 15, 2018 · The on-going commercialization of flow batteries is opening new business niches for component producers including ion-exchange membranes. Membrane cost still represents
May 6, 2025 · This study introduces a hybrid cation exchange membrane developed by in situ modification of a commercial perfluorosulfonic acid
Sep 1, 2023 · Herein, we discuss the developments and challenges of ion selective membranes, including ion exchange membrane and ion-conducting porous membrane, for redox flow
Jul 31, 2023 · Non-fluorinated ion exchange membranes with high proton selectivity and conductivity are sought as separators for vanadium redox flow batteries (VRFB) to substitute
Sep 1, 2019 · Therefore, the most important characteristic of the membrane is high ion conductivity through the membrane to complete the redox circuit and high selectivity to prevent
Dec 1, 2019 · Perfluoroalkyl sulfonic acid (PFSA) polymer membranes have enabled a variety of electrochemical energy storage and conversion devices such as fuel cells and flow batteries
May 21, 2024 · For proton exchange membranes (PEM) used in vanadium redox batteries (VRBs), doping metal-organic framework (MOF) materials to enhance the proton permeability
Aug 20, 2018 · Introduction Ion exchange membranes are in use in a range of situations in which they are exposed to solutions of electrolytes, sometimes quite concentrated solutions.
May 29, 2025 · This architecture enables efficient proton transport when hydrated, as the sulfonic groups attract and retain water, forming ionic pathways that facilitate proton conduction. Nafion
Abstract Sulfonated poly (ether ketone) (SPEEK), perfluorosulfonic acid (PFSA), and polyvinylidene fluoride (PVDF) were wire-electrospun. Subsequently,
Apr 19, 2025 · The PFSA membranes SY11P (N-11) are non-reinforced films based on PFSA polymer, a perfluorosulfonic acid in the acid (H+) form. Our PFSA membranes perform as a
May 12, 2025 · The global Perfluorosulfonic Acid (PFSA) Ion Exchange Membrane market is poised for significant growth between 2025 and 2032, projecting a Compound Annual Growth
Jul 20, 2025 · This study systematically investigated the physicochemical properties and proton exchange membrane fuel cell (PEMFC) performance of perfluorosulfonic acid (PFSA)
Modification of the intrapore space of the membrane was shown to be a way of targeting the key functional properties of the membranes. Keywords:
Aug 1, 2025 · For optimal VFB performance, the ion exchange membrane must exhibit high proton conductivity, low vanadium ion permeability, and excellent chemical and mechanical
Feb 1, 2018 · A series of perfluorosulfonic membranes is screened for application in vanadium redox flow batteries (VRFB): membranes of constant thickness 50 µm with different ion
Apr 1, 2025 · Ion exchange membranes (IEMs) play a critical role in aqueous organic redox flow batteries (AORFBs). Traditional IEMs that feature microphase‐separated microstructures are
Jan 2, 2024 · Currently, the most widely used PEM is made of perfluorosulfonic acid (PFSA) materials, such as Nafion or Flemion [[5], [6], [7], [8]]. It consists of a hydrophobic perfluoro
Dec 1, 2023 · Ion-exchange membranes based on perfluorinated polymers find application in energy generation and accumulation systems, in particular, fuel cells (FC), electrolyzers, redox
Jan 1, 2025 · Perfluorosulfonic acid membranes, exemplified by DuPont''s Nafion, stand as the earliest and most extensively used ion-conducting membranes in VRFB applications [20].
May 6, 2025 · Proton-selective membranes present a promising solution for improving the efficiency and sustainability of acid recovery in the
May 1, 2025 · In addition to the perfluorosulfonic acid ion exchange membrane (Nafion), the non-fluorinated cation exchange membrane sPEEK, due to its excellent alkaline stability, is
Abstract Polymer ion-exchange membranes are featured in a variety of modern technologies including separation, concentration and purification of gases and
Oct 1, 2023 · Abstract The paper presents the results of a study of water uptake, ionic conductivity, and Donnan potential in systems with perfluorosulfonic acid membranes in the
In particular, one of the most critical components in all-vanadium redox flow batteries, proton exchange membrane fuel cells and ion membrane chlor-alkali process devices is the
Perfluorosulfonic acid (PFSA) membranes are characterized by an optimal combination of these properties. Today, one of the most well-known practical applications of PFSA membranes is the development of fuel cells. Some disadvantages of PFSA membranes, such as low conductivity at low humidity and high temperature limit their application.
A series of perfluorosulfonic membranes is screened for application in vanadium redox flow batteries (VRFB): membranes of constant thickness 50 µm with different ion-exchange capacities ranging from 0.56 to 1.15 mol eq. g −1.
Membrane materials based on perfluorosulfonic acid polymers (PFSA) possess a set of characteristics necessary for their practical application: high ionic conductivity and selectivity and good chemical stability, strength, and elasticity.
Perfluorosulfonic acid ionomers (PFSI) with different side-chain lengths have been investigated with respect to their morphology and electrochemical properties in vanadium flow batteries (VFB).
Further-more, many pores in the membrane become isolated from each other or their connecting channels turn out to be too narrow; therefore, the proton conductivities of PFSA membranes in this state are very low and at ~ 2 they are about 1 × 10–5 Ohm–1 cm–1 at 25°С λ (Fig. 5).
One of the most widely known polymeric ion-exchange membranes is perfluorosulfonic acid (PFSA) polymer membranes due to their unique transport properties and stability. The method of its production was developed in the late 1960s by DuPont. The product has been registered under the brand name Nafion ® .
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