Ion exchange is a reversible interchange of one species of ion present in an insoluble solid with another of like charge present in a solution surrounding...

An ion-exchange membrane is a semi-permeable membrane that transports certain dissolved ions, while blocking other ions or neutral molecules. Ion-exchange...

A proton-exchange membrane, or polymer-electrolyte membrane (PEM), is a semipermeable membrane generally made from ionomers and designed to conduct protons...

Ion chromatography (or ion-exchange chromatography) is a form of chromatography that separates ions and ionizable polar molecules based on their affinity...

However, thermal kinetic energy allows ions to overcome the potential difference. For a selectively permeable membrane, this permits a net flow against the...

Electrodialysis (ED) is used to transport salt ions from one solution through ion-exchange membranes to another solution under the influence of an applied...

Semipermeable membrane is a type of synthetic or biologic, polymeric membrane that allows certain molecules or ions to pass through it by osmosis. The...

An ion-exchange resin or ion-exchange polymer is a resin or polymer that acts as a medium for ion exchange, that is also known as an ionex. It is an insoluble...

diffusion electrode Glossary of fuel cell terms Ion exchange Ion-exchange membranes Proton-exchange membrane Danks, Timothy N.; Slade, Robert C. T.; Varcoe...

An ion-selective electrode (ISE), also known as a specific ion electrode (SIE), is a simple membrane-based potentiometric device which measures the activity...

Anion exchange membrane (AEM) electrolysis is the electrolysis of water that utilises a semipermeable membrane that conducts hydroxide ions (OH−) called...

membrane permeabilities for potassium, sodium, calcium, and chloride ions, which in turn result from functional activity of various ion channels, ion...

Polytetrafluoroethylene (PTFE) Polypropylene (PP) Polymer membranes may be functionalized into ion-exchange membranes by the addition of highly acidic or basic functional...

solution Electrodialysis, used to transport salt ions from one solution to another through an ion-exchange membrane under the influence of an applied electric...

In cellular biology, membrane transport refers to the collection of mechanisms that regulate the passage of solutes such as ions and small molecules through...

external membrane. Mediator-free MFCs are less well characterized, such as the strain of bacteria used in the system, type of ion-exchange membrane and system...

the original fuel cell design by using a sulphonated polystyrene ion-exchange membrane as the electrolyte. Three years later another GE chemist, Leonard...

compartments, the anode and cathode terminals which are separated by an ion-exchange membrane. First, in the anode chamber, the bacteria remove electrons from...

An alkaline anion-exchange membrane fuel cell (AAEMFC), also known as anion-exchange membrane fuel cells (AEMFCs), alkaline membrane fuel cells (AMFCs)...

a gradient of electrochemical potential, usually for an ion that can move across a membrane. The gradient consists of two parts: The chemical gradient...

plasma membrane in exchange for the countertransport of calcium ions (Ca2+). A single calcium ion is exported for the import of three sodium ions. The exchanger...

similar purpose. The cell membrane controls the movement of substances in and out of a cell, being selectively permeable to ions and organic molecules. In...

used to exchange ions between two aqueous solutions which are separated by a CEM or an AEM membrane. In the case of a cation exchange membrane separating...

or ion-exchange resins, but is increasingly being accomplished using nanofiltration or reverse osmosis membranes. The presence of certain metal ions like...

electrodialysis: II. Effect of water transport through ion-exchange membranes". Journal of Membrane Science. 531. Elsevier BV: 172–182. arXiv:1610.02833...

alternating layers of cationic and anionic ion exchange membranes. Periodically (3-4 times per hour), the direction of ion flow is reversed by reversing the polarity...

Proton-exchange membrane fuel cells (PEMFC), also known as polymer electrolyte membrane (PEM) fuel cells, are a type of fuel cell being developed mainly...

figure): 2H 2O + 2e− → H2 + 2OH− The ion-permeable ion-exchange membrane at the center of the cell allows only the sodium ions (Na+) to pass to the second chamber...

This happens when hydrogen ions get pushed across the membrane creating a high concentration inside the thylakoid membrane and a low concentration in...

osmosis (RO) is a water purification process that uses a semi-permeable membrane to separate water molecules from other substances. RO applies pressure...