Ethanol Tolerant Catalyst Based in Platinum and Silver in Graphene
Journal of Physics Conference Series(2019)
Abstract
In this work, the use of the electrochemical deposit PtAg on the glassy carbon modified with graphene (PtAg/G) is proposed. The electrochemical test (Rotatory Disc Electrode, RDE) showed a better performance to reduce oxygen for PtAg/G compared to a similar material obtained in Vulcan carbon (PtAg/V). The reduction potential is around 0.82 V versus RHE in PtAg/G compared to 0.77 V versus RHE in PtAg/V. The PtAg/G has a smaller particle size, this was attributable to the better distribution of active graphene sites.
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Key words
graphene,ethanol,catalyst,silver,platinum
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