Reduction Reaction Activity on Pt-Monolayer-Shell PdIr/Ni-core Catalysts [electronic resource]

• Ngôn ngữ: eng
• Ký hiệu phân loại: 662.7 Coke and charcoal
• Thông tin xuất bản: Washington, D.C. : Oak Ridge, Tenn. : United States. Dept. of Energy. Office of Science ; Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy, 2018
• Mô tả vật lý: Size: p. 57-65 : , digital, PDF file.
• Bộ sưu tập: Metadata
• ID: 256259
• Chủ đề: 1. 30 direct energy conversion; 2. 37 inorganic, organic, physical and analytical chemistry

Tóm tắt

Platinum monolayer oxygen reduction reaction catalysts present promising way of reducing the Pt content without scarifying its fuel cell performance. We present a facile way of preparing Pt monolayer shell PdIr-based core catalysts, which showed much higher activity for oxygen reduction reaction than that of TKK 46.6% Pt/C catalyst. Among tested samples, PtMLPd2Ir/Ni/C performs the best with Pt and Platinum Group Metal mass activity around 9 and 0.25 times higher of that of TKK 46.6% Pt/C. In addition, accelerated aging test indicates its excellent durability.