Benefits and limitations of Pt nanoparticles supported on highly porous antimony-doped tin dioxide aerogel as alternative cathode material for proton-exchange membrane fuel cells
作者： Gwenn Cognard , Guillaume Ozouf , Christian Beauger , Grégory Berthomé , David Riassetto
DOI: 10.1016/J.APCATB.2016.08.010
关键词:
摘要: An electron-conducting metal-oxide substrate must fulfill three criteria to represent a viable alternative to conventional carbon blacks used as supports for Pt-based nanoparticles in proton-exchange membrane fuel cell (PEMFC):(i) be electron-conducting,(ii) be corrosion resistant and (iii) possess an opened porous structure compatible with facile ionomer insertion and efficient mass-transport properties. Using a sol-gel route, antimony-doped tin dioxide (Sb-doped SnO 2, ATO) aerogels with such characteristics were synthesized: an …
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