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Optimization of PtIr electrocatalyst for PEMURFC

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TextSeries: ; International Journal of Hydrogen Energy, 30(12), p.1345-1350, 2005Contained works:

Yim, S.D
Park, G
Sohn, Y
Lee, W
Yoon, Y
Yang, T
Um, S
Um, S
Kim, C

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Abstract: For the fabrication of high-efficient bifunctional electrocatalyst of oxygen electrode, several electrocatalysts were prepared and tested on the URFC performance including both fuel cell and water electrolysis in a single cell URFC system. The catalysts revealed fuel cell performance in the order of Pt black>PtIr>PtRuOx>PtRu ¡« PtRuIr>PtIrOx and water electrolysis performance in the order of PtIr ¡« PtIrOx>PtRu>PtRuIr>PtRuOx ¡« Pt black. Considering both results PtIr showed the best URFC performance. With increasing Ir or IrOx composition from 0 to 50 wt

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For the fabrication of high-efficient bifunctional electrocatalyst of oxygen electrode, several electrocatalysts were prepared and tested on the URFC performance including both fuel cell and water electrolysis in a single cell URFC system. The catalysts revealed fuel cell performance in the order of Pt black>PtIr>PtRuOx>PtRu ¡« PtRuIr>PtIrOx and water electrolysis performance in the order of PtIr ¡« PtIrOx>PtRu>PtRuIr>PtRuOx ¡« Pt black. Considering both results PtIr showed the best URFC performance. With increasing Ir or IrOx composition from 0 to 50 wt

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