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Proton exchange membrane electrolysis Metadata This file contains additional information, probably added from the digital camera or scanner used to create or digitize it.
The proton-exchange membrane is commonly made of materials such as perfluorosulfonic acid (PFSA, sold commercially as Nafion and Aquivion), which minimize gas crossover and short circuiting of the fuel cell. A disadvantage of fluor containing polymers is the fact that during production (and disposal) PFAS products are formed.
A proton-exchange membrane, or polymer-electrolyte membrane (PEM), is a semipermeable membrane generally made from ionomers and designed to conduct protons while acting as an electronic insulator and reactant barrier, e.g. to oxygen and hydrogen gas. [1]
Proton exchange membrane (PEM) electrolysis is the electrolysis of water in a cell equipped with a solid polymer electrolyte (SPE) [3] that is responsible for the conduction of protons, separation of product gases, and electrical insulation of the electrodes. The PEM electrolyzer was introduced to overcome the issues of partial load, low ...
Download as PDF; Printable version; ... Proton-exchange membrane, semipermeable; ... whose file format is also often used for X.509 certificates;
As a proton conductor, BCZYZn05 can be used throughout the cell without inducing parasitic electronic leakage while providing a supportive backbone throughout the cell. Using nano-indentation , the use of BCZYZn05 was found to increase the hardness of the fuel cell components while necessary electrochemical reactivity and conductivity.
It typically consists of an anode, cathode, and two ion exchange membranes. This configuration allows for efficient proton conduction and effective gas diffusion, making it suitable for various applications, including fuel cell vehicles and portable power systems. Research has shown that 5-layer MEAs can provide improved performance under ...
[2] [3] [4] Nafion has received a considerable amount of attention as a proton conductor for proton exchange membrane (PEM) fuel cells because of its excellent chemical and mechanical stability in the harsh conditions of this application. The chemical basis of Nafion's ion-conductive properties remain a focus of extensive research. [2]