Product Code: 74810001
XICAT Membrane Electrode Assemblies (MEA) are highlydurable and they provide ultra-high performance assemblies for use inelectrochemical applications due to the use of ultra-thin composite membranes.
MEA PEM-Dyneon-725-05m-0.5mgPt-Cloth product iscomprised of the following sub-components: 5 micrometers thick PEM-Dyneon (EW725) composite membrane and carbon cloth based gas diffusion electrodes with0.5 mg/cm2 loading of 60% Pt/C catalysts both for anode andanode.
Xergy has the largest selection of composite protonexchange membranes (C-PEM) and proton exchange ionomers (PEI) and compositeanion exchange membranes (C-AEM) and anion exchange ionomers (AEI) to selectfrom for the XICAT MEA design. C-PEMs/PEIs for the XICAT MEAs are availablefrom Dyneon, Aquivion, and Nafion perfluorosulfonic acid (PFSA)ionomers. C-AEMs/AEIs are available from Durion and Pentionionomers. The standard MEA is a 5-layer construction with a membrane sandwichedbetween a gas diffusion electrode and catalyst layer. A second MEA structure isa 3-layer construction known as a catalyst coated membrane (CCM), in which thecatalyst is applied directly to the membrane and there is no gas diffusionlayer.

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Material : PBI Copolymer (Polybenzimidazole Copolymer)
Application : PEM fuel cells, Electrolyzers, Hydrogen production, Chemical process industry membranes
Chemical Composition : PBI Copolymer, Modified Aromatic Polymer with Ionic Groups
Density : 1.40 Gram per cubic centimeter(g/cm3)
Shape : Membrane/Film
Hardness : Shore D 4045
Material : Perfluorosulfonic acid/PTFE copolymer precursor
Application : Used as a precursor for manufacturing Nafion membranes and films via extrusion or casting; also for research and industrial ionexchange processes
Chemical Composition : Polytetrafluoroethylene (PTFE) backbone with perfluorosulfonyl fluoride side chains
Density : 2.1 Gram per cubic centimeter(g/cm3)
Shape : Spherical beads
Hardness : High mechanical strength, typical for PTFE polymers
Material : Perfluorosulfonic Acid (PFSA) ionomer membrane
Application : Fuel cells, electrolyzers, electrochemical applications
Chemical Composition : Equivalent weight 980 g/eq. (E98 series), Sulfonic acidfunctionalized tetrafluoroethylenebased fluoropolymer
Density : 2.1 Gram per cubic centimeter(g/cm3)
Shape : Membrane sheet
Hardness : Not specified (flexible solid film)
Material : PBI Copolymer Membrane
Application : Electrochemical Devices such as Fuel Cells, Electrolyzers, and Redox Flow Batteries
Chemical Composition : Polybenzimidazole (PBI) Copolymer
Density : 1.35 Gram per cubic centimeter(g/cm3)
Shape : Membrane / Flat Sheet
Hardness : 74 Shore A
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