Shape matters: Platinum-based alloy nanocrystals can be used as electrocatalysts that facilitate the oxidation and reduction reactions involved in a proton-exchange membrane fuel cell (see picture). Recent work has demonstrated how the shape control of Pt–Mn alloy nanocrystals can result in increased activities when the alloys are used in fuel-cell electrocatalysts.
Nigel Becknell, Yoonkook Son, Dohyung Kim, Dongguo Li, Yi Yu, Zhiqiang Niu, Lei Teng, Brian T. Sneed, Karren L. More, Nenad M. Marković, Vojislav R. Stamenković, Peidong Yang
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