Proton-exchange membrane - Wikipedia
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 fuel cell - Wikipedia
Proton-exchange membrane fuel cells (PEMFC), also known as polymer electrolyte membrane (PEM) fuel cells, are a type of fuel cell being developed mainly for transport applications, as well as for stationary fuel-cell applications and portable fuel-cell applications.
What are proton exchange membrane fuel cells and how do …
2024年7月9日 · A Proton Exchange Membrane (PEM) fuel cell is an electrochemical device that converts the chemical energy of hydrogen and oxygen into electricity through a series of redox reactions.
Designing the next generation of proton-exchange membrane fuel …
2021年7月14日 · We present the latest ideas for improvements in the membrane electrode assembly and its components with regard to water and thermal management and materials. These concepts are expected to be...
Proton Exchange Membrane - an overview | ScienceDirect Topics
A proton-exchange membrane (PEM) is a polymeric semipermeable membrane that can conduct or transfer cations (protons), at the same time keeping the reactant separate. From: Advanced Nanomaterials for Membrane Synthesis and its Applications, 2019
Proton Exchange Membrane Fuel Cells (PEMFCs): Advances and …
Fuel cells based on proton exchange membranes (PEMs) are among the most promising electrochemical-generating devices due to their high efficiency, high power density, low emissions, and energy supply [4,5]. Even when compared to devices such as Redox flow batteries (RFBs), they share practically the same configuration.
Recent Advances on PEM Fuel Cells: From Key Materials to Membrane …
Proton exchange membrane (PEM) fuel cells are one of the most promising technologies toward achieving “carbon peak and neutrality” goals. While PEM fuel cells have risen and declined in recent centuries, they presently play a key role in building a sustainable society [1].
An overview of proton exchange membranes for fuel cells: …
2022年5月22日 · Recent years have seen extensive research on the preparation, modification, and properties of PEMs such as non-Nafion membranes (SPI, PBI, polystyrene, polyphosphazene, SPAEK, SPEEK, SPAS, SPEN), and their composites by incorporating functionalized CNTs, GO as fillers to overcome their drawbacks.
Proton-Exchange Membrane Fuel Cells - ScienceDirect
Proton exchange membrane (PEM) fuel cells seem to have the most promising future, among different types of fuel cells. However, for further commercialization of them two main barriers of cost and durability exist, which encourage fundamental research and development of …
Parts of a Fuel Cell - Department of Energy
The polymer electrolyte membrane, or PEM (also called a proton exchange membrane)—a specially treated material that looks something like ordinary kitchen plastic wrap—conducts only positively charged ions and blocks the electrons.