pem fuel cell anodes (Janssen)
86
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Janssen
pem fuel cell anodes
Pem Fuel Cell Anodes, supplied by Janssen, used in various techniques. Bioz Stars score: 86/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
https://www.bioz.com/product/pem+fuel+cell+anodes/cell+exchange+fuel+membrane+proton/10__1021_slash_acselectrochem__5c00513-297-25-15
Average 86 stars, based on 1 article reviews
Pem Fuel Cell Anodes, supplied by Janssen, used in various techniques. Bioz Stars score: 86/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
https://www.bioz.com/product/pem+fuel+cell+anodes/cell+exchange+fuel+membrane+proton/10__1021_slash_acselectrochem__5c00513-297-25-15
Average 86 stars, based on 1 article reviews
pem fuel cell anodes - by Bioz Stars,
2026-10
86/100 stars
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other:Article Title: The influence of hydrogen sulphide contamination on platinum catalyst used in polymer electrolyte membrane fuel cells during potential cycling at 0.05–1.05 V vs RHE: An RRDE study Article Snippet: The effect of H2S contamination on platinum catalyst has been investigated in terms of rotating ring disk electrode measurements (RRDE) in 0.1 M HClO4.. The electrochemical surface area (ECSA) was determined by hydrogen underpotential deposition (HUPD) and CO stripping methods before and after accelerated stress tests (AST).. The observed reduced losses of ECSA of the catalyst in the presence of H2S were associated to adsorbed sulphuric compounds on the catalyst surface which changed electrochemical characteristics of the materials surface. Article Title: Palladium-Based Micromembranes for Hydrogen Separation: Device Performance and Chemical Stability Article Snippet: The performance of a perforated micromembrane device employing thin palladium-based films for hydrogen purification is reported.. The perforated support provides mechanical strength, allowing the use of nanometer film thicknesses (200 nm) that significantly reduce internal diffusion resistance, and allows efficient heating of the active film.. Steady-state operation of pure and 23 wt % silver-alloyed palladium films at 350 °C, with a feed hydrogen partial pressure of 10.1 kPa (∆pH2 ) 9.6 kPa), results in hydrogen fluxes of 3-4 mol/m2/s and hydrogen-to-argon selectivities approaching 1000:1, much larger fluxes than typically achieved with conventional macroscopic equipment. Article Title: Nitrogen-Doped Carbon Shells as a Protective Molecular Sieve for Poison-Tolerant PEMFC Anodes Article Snippet: Pt/C and Pt50Ru50/C materials with a protective nitrogen(N)-doped carbon shell are synthesized by a green thermal reduction method using citric acid as the reducing agent and carbon shell source, and urea as the N-doping agent.. Physicochemical characterizations show that the materials consist of nanoparticles with actual composition and metal loading close to nominal ones, but a low level of alloying for bimetallic catalysts, indicating a Pt core−Ru shell structure coated with a N-doped carbon shell.. The structure of the carbon shell depends on the core metal, interacting strongly with Pt and rapidly blocking most of the Pt surface active sites, while the Ru-rich surface in PtRu catalysts is less affected by its interaction with the carbon shell. Article Title: CO tolerance of proton exchange membrane fuel cells with Pt/C and PtMo/C anodes operating at high temperatures: A mass spectrometry investigation Article Snippet: The performance of proton exchange membrane fuel cells (PEMFC) with Pt/C and PtMo/C anodes has been investigated using single cell polarization and on line mass spectrometry (OLMS) measurements in a wide range of temperature (70–105 ◦C) for the system supplied with hydrogen containing different amounts of CO. As expected a higher CO tolerance is observed at higher temperatures for both catalysts.. The anode exit gas analysis revealed that CO2 is produced already at the cell open circuit potential, and it increases with the increase of the anode overpotential.. The CO tolerance phenomena are assigned to different ◦ EMFC |