[G] Surface ,Interface and Catalysts

3:20 PM - 3:35 PM JST(6:20 AM - 6:35 AM UTC)

[69] Online ICP-MS Analysis of the Dealloying Process and Dissolution Behavior of a Pt-Enriched Pt–Pd Alloy Surface

○Azusa Ooi¹, Ryosuke Inoue¹, Eiji Tada¹ (1. Science Tokyo)

Keywords:

Pt–Pd alloy,Dealloying,Pt-enriched surface,Online ICP-MS,Dissolution

The dealloying process of a Pt–Pd alloy was investigated by real-time measurement of Pt and Pd dissolution rates using online ICP-MS. The formation of a Pt-enriched surface and its dissolution behavior under simulated PEFC operating conditions were evaluated.