This is a high porosity sintered titanium fiber felt with good electrical conductivity. Titanium fiber felts are primarily used in standard PEM electrolyzers as the flow field or diffuser material, particularly on the oxygen (anode) side. Since electrolyzer hardwares cannot use carbon-based gas diffusion layers (GDLs) at the anode because the carbon will immediately oxidize to CO2 (if the medium is acidic) or carbonate ions (if the medium is basic) during the reaction. Titanium fiber felt becomes an ideal candidate as the diffusion medium. Titanium fiber felt also provides electrical contact between the anode catalyst layer and bipolar plate or current collector at the anode side Our titanium fiber felts are produced from small-diameter titanium fibers that has been compressed and flattened, then annealed (i.e., sintered). This ensures a smooth, flat surface suitable for use in...

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