SANS investigation of Pt-loaded electrodes for polymer electrolyte fuel cells

R. Coppola, L. Giorgi, A. Lapp, M. Magnani

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Pt-loaded carbon catalysts, developed for polymer electrolyte fuel cell technology have been investigated by means of SANS to characterize the Pt cluster size distribution function. The investigated samples were prepared by depositing an electrocatalytic layer containing 0.5 mg cm-2Pt, on a composite carbon substrate. A Pt-free support, identical to the one used for the platinized samples, was used as a reference to obtain the SANS signal arising from the Pt clusters. Their size distribution function has been determined and compared with the results of transmission electron microscopy observations.
Original languageEnglish
Pages (from-to)839 - 840
Number of pages2
JournalPhysica B: Condensed Matter
Publication statusPublished - 2000
Externally publishedYes


All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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