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A proton-exchange membrane, also known as a polymer-electrolyte membrane (PEM), is a semipermeable membrane that conducts protons while serving as an electronic insulator and reactive barrier, such as to oxygen and hydrogen gas.
PEMs are often built from ionomers.
They serve the crucial purpose of separating reactants and transporting protons without obstructing a direct electronic channel across the membrane when inserted into a membrane electrode assembly (MEA) of a proton-exchange membrane fuel cell or of a proton-exchange membrane electrolyser.
Both pure polymer membranes and composite membranes, in which additional materials are embedded in a polymer matrix, can be used to create PEMs.
The fluoropolymer (PFSA) Nafion is one of the most popular and easily accessible PEM materials. Even though Nafion is an ionomer with a perfluorinated backbone similar to Teflon, there are numerous other structural motifs that can be used to create ionomers for proton-exchange membranes.
Many employ polyaromatic polymers, while others use polymers that have been partially fluorinated.
Proton conductivity, methanol permeability (P), and thermal stability are the three main characteristics of proton-exchange membranes.
A solid polymer membrane, or thin plastic film, is used in PEM fuel cells. This membrane does not transport electrons but is permeable to protons when it is saturated with water.
The Global Proton Exchange Membrane market accounted for $XX Billion in 2021 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2022 to 2030.
Proton Exchange Membrane (PEM) Electrolyser, Green Hydrogen from Renewable Energy Sources, Launched by IMI Critical Engineering.
IMI Critical Engineering has released a proton exchange membrane (PEM) electrolyser that produces green hydrogen from renewable energy sources, expanding its portfolio of ground-breaking technologies in light of experts’ predictions that the uptake of hydrogen must triple in order to reach global decarbonization targets.
Recently, certification authorities DNV issued a warning that only five percent of the world’s energy mix will be hydrogen.
The Paris Agreement, which was a part of a larger commitment to change the world’s energy system in order to limit global temperatures from rising by more than 2°C, set a percentage requirement that this percentage must be below.
IMI Critical Engineering, an engineering consulting firm, claims that achieving the goals set forth in the Paris Agreement will depend on the creation and adoption of green hydrogen technologies that convert water into hydrogen using renewable energy.
The company has introduced the new IMI VIVO Electrolyser, which uses an electric current to pass through water via a membrane and split it into hydrogen and oxygen, in an effort to support the industrial adoption of hydrogen energy.
