4 years ago

One Model, Two Enzymes: Activation of Hydrogen and Carbon Monoxide

One Model, Two Enzymes: Activation of Hydrogen and Carbon Monoxide
Takeshi Yatabe, Yuki Mori, Tatsuya Ando, Seiji Ogo, Masashi Asano, Hideki Hayashi, Ki-Seok Yoon, Takahiro Matsumoto
A [NiIr]-based catalyst turns the table on CO poisoning by exploiting the gas as a fuel. The system is able to act as a H2 oxidizing catalyst at low pH and as a CO oxidizing catalyst at high pH. At pH 7, there is a crossover where both oxidations are catalyzed simultaneously. In their Communication (DOI: 10.1002/anie.201704864), S. Ogo et al. report a proof-of-concept fuel cell that functioned on a 50:50 supply of H2 and CO. The double function is depicted above as a two-headed bird.

Publisher URL: http://onlinelibrary.wiley.com/resolve/doi

DOI: 10.1002/anie.201705755

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