Characteristics of perfluorosulfonic acid ion exchange in flow batteries
Structure, Characteristics and Ion Selectivity of Perfluorosulfonic
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
High Quality Ion Exchange Membrane,perfluorosulfonic acid
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
The Effect of Impurity Cations on the Transport Characteristics
The interaction between adjacent cationic species in the membrane ion exchange sites, although plausible in general for multivalence cations, appeared to be not specific due probably to the
Approaches to the Modification of Perfluorosulfonic Acid
Aug 8, 2023 · This part mainly introduces PFSA membranes. PFSA membranes, especially Nafion®, are well - known for their unique properties and wide applications in energy
High-performance ultrathin perfluorinated sulfonic acid
Oct 23, 2023 · A proton exchange membrane (PEM) is a crucial component for the effective and stable operation of energy conversion and storage devices, such as fuel cells, water
Effect of the Nature of Counterion on Properties of Perfluorosulfonic
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
Sub-20 nm ultrathin perfluorosulfonic acid-grafted graphene
Dec 15, 2023 · Perfluorosulfonic acid (PFSA) membranes, such as Nafion, are widely used in vanadium redox flow batteries (VRFBs) because of their high proton conduction through the
Investigations of Dongyue Series
Jul 20, 2025 · This study systematically investigated the physicochemical properties and proton exchange membrane fuel cell (PEMFC)
Morphology and Physiochemical Characterization of
it cells and strength, electrolysers. in various in electrochemical applications and chemical of that, such as fuel cells, electrolyser stability [3]. exchange membranes batteries
Perfluorosulfonic Acid Polymer Membranes: Microstructure
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
The characteristics and applications of Nafion
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
PFSA Membranes for fuel cells, electrolysis
Nov 14, 2025 · Perfluorinated ion exchange membrane TPD-M10H is a single component perfluorosulfonic acid H-type ion membrane produced by tape
Characterization and process-structure-properties modeling of 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
Morphology and Electrochemical Properties of Perfluorosulfonic Acid
Jun 14, 2013 · Perfluorosulfonic acid ionomers (PFSI) with different side-chain lengths have been investigated with respect to their morphology and electrochemical properties in vanadium flow
Thin Reinforced Ion-Exchange Membranes
Nov 11, 2021 · In this work, we developed pore-filled ion-exchange membranes (PFIEMs) fabricated for the application to an all-vanadium
Experimental and theoretical investigation of perfluorosulfonic acid
May 1, 2002 · Experimental and theoretical investigation of perfluorosulfonic acid membranes equilibrated with aqueous sulfuric acid solutions Mark W. Verbrugge and Robert F. Hill
Preparation and properties of amphoteric ion exchange membrane for
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
Commercial perfluorosulfonic acid membranes for vanadium redox flow
Apr 15, 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
Approaches to the Modification of Perfluorosulfonic Acid
Abstract Polymer ion-exchange membranes are featured in a variety of modern technologies including separation, concentration and purification of gases and liquids, chemical and
Characteristics of perfluorosulfonic acid ion exchange in flow batteries
Aug 16, 2005 · Ion exchange membranes for vanadium redox flow batteries In recent years, much attention has been paid to vanadium redox flow batteries (VRBs) because of their excellent
Long-term performance of hydrogen
Abstract Sulfonated poly (ether ketone) (SPEEK), perfluorosulfonic acid (PFSA), and polyvinylidene fluoride (PVDF) were wire-electrospun.
High Quality Perfluorosulfonic Acid (PFSA)
Nov 17, 2025 · Due to the use of polytetrafluoroethylene as the main chain, the most suitable molecular weight and ion exchange can be adjusted
High Quality Ion Exchange
Apr 19, 2025 · we are the professional Ion Exchange Membrane supplier,Ion Exchange resin, vanadium flow battery, membrane stack, chlor-alkali
Commercial perfluorosulfonic acid membranes for vanadium redox flow
Commercial perfluorosulfonic acid membranes for vanadium redox flow battery: Effect of ion-exchange capacity and membra
Tuning the Perfluorosulfonic Acid Membrane Morphology
Nov 23, 2016 · The microstructure of perfluorinated sulfonic acid proton-exchange membranes such as Nafion significantly affects their transport properties and performance in a vanadium
New directions in perfluoroalkyl sulfonic acid–based proton-exchange
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
Poly(arylene alkylene)s functionalized with perfluorosulfonic acid
Apr 5, 2023 · With the aim to develop vanadium redox flow battery (VRFB) membranes beyond state of the art, we have in the present work functionalized poly (p-terphenylene)s with highly
STRUCTURE-TRANSPORT RELATIONSHIP OF PERFLUOROSULFONIC-ACID
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)
6 FAQs about Solar Characteristics of perfluorosulfonic acid ion exchange in flow batteries
Are perfluorosulfonic membranes suitable for vanadium redox flow batteries?
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.
What are the advantages and disadvantages of perfluorosulfonic acid (PFSA) membranes?
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.
Do perfluorosulfonic acid ionomers have different side-chain lengths?
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).
What are ion-exchange membranes based on perfluorinated polymers used for?
Ion-exchange membranes based on perfluorinated polymers find application in energy generation and accumulation systems, in particular, fuel cells (FC), electrolyzers, redox flow batteries, and metal-ion batteries [4 – 8].
What are the characteristics of perfluorosulfonic acid polymers (PFSA)?
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.
Why are perfluorinated sulfonic acid membranes less selective?
However, perfluorinated sulfonic acid (PFSA) membranes—the most widely used PEM—have ultimate limitations of low proton selectivity to other active species because of their wide and randomly connected proton channels.
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