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Issue 25, 2008
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Combinatorial screening of PtTiMe ternary alloys for oxygen electroreduction

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Abstract

The catalytic oxygen electroreduction properties of PtTiMe (Me = Co, Cr, Cu, Fe, Mn, Mo, Ni, Pd, Ta, V, W and Zr) ternary alloys were studied using an in-house developed thin film based combinatorial high throughput method. Libraries containing discrete alloy compositions were fabricated by plasma co-sputtering and the resulting alloys were electrochemically screened by the hydrodynamic rotating disk electrode technique. Candidate catalysts were identified by comparing the activity–stability–composition relationships between the platinum titanium alloys and pure platinum standard. Among the PtTiMe alloys studied, PtTiNi, PtTiCu and PtTiV, respectively, displayed the highest catalytic oxygen electroreduction activities with a tenfold, an eightfold and a sixfold enhancement as compared to the pure platinum standard and good chemical stabilities.

Graphical abstract: Combinatorial screening of PtTiMe ternary alloys for oxygen electroreduction

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Publication details

The article was received on 18 Feb 2008, accepted on 27 Mar 2008 and first published on 01 May 2008


Article type: Paper
DOI: 10.1039/B802818B
Phys. Chem. Chem. Phys., 2008,10, 3731-3738

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    Combinatorial screening of PtTiMe ternary alloys for oxygen electroreduction

    T. He and E. Kreidler, Phys. Chem. Chem. Phys., 2008, 10, 3731
    DOI: 10.1039/B802818B

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