Journal
JOURNAL OF ELECTROCHEMICAL SCIENCE AND ENGINEERING
Volume 8, Issue 1, Pages 87-100Publisher
INT ASSOC PHYSICAL CHEMISTS-IAPC
DOI: 10.5599/jese.487
Keywords
Electrocatalysis; EFC-ICP-MS; IL-TEM; Pt alloy; ORR
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Funding
- Slovenian Research Agency (ARRS) through the Research Core Funding Programme [P2-0152, P2-0393, Z2-8161]
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Pt alloy nanoparticles present the most probable candidate to be used as the cathode cathodic oxygen reduction reaction electrocatalyst for achieving commercialization targets of the low-temperature fuel cells. It is therefore very important to understand its activation and degradation processes. Besides the ones known from the pure Pt electrocatalysts, the dealloying phenomena possess a great threat since the leached less-noble metal can interact with the polymer membrane or even poison the electrocatalyst. In this study, we present a solution, supported by in-depth advance electrochemical characterization, on how to suppress the removal of Cu from the Pt alloy nanoparticles.
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