Characterization of a monolithic mesoporous carbon as diffusion layer for micro fuel cells application
作者： Yohann R.J. Thomas , Mariano M. Bruno , Horacio R. Corti
DOI: 10.1016/J.MICROMESO.2012.01.012
关键词: Chemical engineering 、 Catalyst support 、 Graphite 、 Proton exchange membrane fuel cell 、 Methanol 、 Carbide-derived carbon 、 Specific surface area 、 Diffusion layer 、 Contact resistance 、 Materials science
摘要: The preparation and characterization of a monolithic mesoporous carbon structure, which could be used as diffusion layer in PEM DMPEM micro fuel cells, is described. Several characteristics the were studied, such specific surface area, pore size distribution, bulk electrical resistivity, contact resistance with graphite plates, along wettability, imbibition permeability methanol aqueous solution. These properties compared to those reported for commercial paper cloth materials commonly layers cells. meet requirements employed stacks assembled at pressures above 15 bar. rapid spreading concentrated solutions carbon, well through it, also make this mesostructured possible candidate catalyst support passive direct
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