Synthesis of Pt+SnO2/C electrocatalysts containing Pt nanoparticleswith preferential (100) orientation for direct ethanol fuel cell
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Applied Catalysis B: Environmental
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The synthesis of Pt + SnO2/C electrocatalyst containing cubic Pt nanoparticles with preferential (100) ori-entation was performed by an alcohol-reduction process using KBr as a shape directing agent. The orderof addition of the Pt and Sn precursors and KBr was crucial to obtain cubic Pt particles and a SnO2phasewith small particle sizes highly dispersed on the carbon support. Electrochemical and DEFC experimentsshowed that Pt + SnO2/C electrocatalyst containing Pt nanoparticles with preferential (100) orientationprovided superior activity for EOR, power densities and CO2selectivity compared to Pt + SnO2/C electro-catalyst containing Pt polycrystalline.
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ANTONIASSI, R.M.; SILVA, J.C.M.; OLIVEIRA NETO, A.; SPINACE, E.V. Synthesis of Pt+SnO2/C electrocatalysts containing Pt nanoparticleswith preferential (100) orientation for direct ethanol fuel cell. Applied Catalysis B: Environmental, v. 218, p. 91-100, 2017. DOI: 10.1016/j.apcatb.2017.06.031. Disponível em: http://repositorio.ipen.br/handle/123456789/27729. Acesso em: 20 Mar 2026.
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