Preferential Oxidation of CO in H 2  by Aqueous Polyoxometalates over Metal Catalysts | Zendy

Kim Won Bae | Zendy; Voitl Tobias | Zendy; RodriguezRivera Gabriel J. | Zendy; Evans Steven T. | Zendy; Dumesic James. A. | Zendy

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Preferential Oxidation of CO in H 2 by Aqueous Polyoxometalates over Metal Catalysts

Author(s) -

Kim Won Bae,

Voitl Tobias,

RodriguezRivera Gabriel J.,

Evans Steven T.,

Dumesic James. A.

Publication year - 2005

Publication title -

angewandte chemie international edition

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 1433-7851

DOI - 10.1002/anie.200461601

Subject(s) - polyoxometalate , aqueous solution , catalysis , anode , inorganic chemistry , metal , chemistry , fuel cells , proton exchange membrane fuel cell , materials science , chemical engineering , electrode , organic chemistry , engineering

Stream cleaning : CO in CO/H 2 mixtures is oxidized preferentially at room temperature with an aqueous polyoxometalate (POM) solution over gold catalysts (see scheme). The rate of H 2 oxidation is slow and is inhibited by CO. This process can be used to remove CO efficiently from H 2 gas streams. The solution containing protons and reduced POM can be used to produce electrical energy at a fuel‐cell anode through re‐oxidation of the reduced POM.

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