Third-body effects of native surfactants on Pt nanoparticle electrocatalysts in proton exchange fuel cells
- Third-body effects of native surfactants on Pt nanoparticle electrocatalysts in proton exchange fuel cells
- 정영훈; 김수진; 정동영; 박희영; 성영은; 유성종; 장종현
- PEMFC; catalyst; ORR; Pt; surfactant
- Issue Date
- Chemical communications
- VOL 51, NO 14, 2968-2971
- The residual surfactant organic molecules on electrocatalysts are expected to enhance the tolerance to specific anion adsorption, whereas the surfactants have been generally regarded as contaminants that block active surfaces. In this study, the Pt nanoparticles with adsorbed surfactants were prepared, and their electrochemical characteristics at various phosphoric acid concentrations were studied by the half-cell test. The third-body effect was experimentally confirmed by the single-cell test with a phosphoric acid-doped polybenzimidazole membrane.
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