Investigation of a catalyst ink dispersion using both ultra-small-angle X-ray scattering and cryogenic TEM.

Abstract

The dispersion of Nafion ionomer particles and Pt/C catalyst aggregates in liquid media was studied using both ultra-small-angle X-ray scattering (USAXS) and cryogenic TEM. A systematic approach was taken to study first the dispersion of each component (i.e., ionomer particles and Pt/C aggregates), then the combination of the components, and last the… (More)
DOI: 10.1021/la1028228

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