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• W1929708148 abstract "Abstract Transition metal/polymer catalysts for O 2 reduction have been investigated extensively as a less expensive, more abundant alternative to platinum catalysts for polymer electrolyte fuel cell (PEFC) cathodes. Embedding metals into polymers offers many potential advantages analogous to the function of metal‐containing enzymes, which include bringing the metal centers into proximity for cooperative action and moderating the local pH near the metal to improve catalyst stability. In this article, we critically summarize the developments in this category of catalysts. While many of the anticipated benefits of the transition metal/polymer catalysts are still to be demonstrated, the most successful aspect of using polymer matrices thus far has been the improved durability. Some newer systems have shown stability for hundreds of hours in the real (acidic) PEFC environment, which was not previously observed for nonprecious catalysts of any type. Although the activity must be increased before any nonprecious metal catalysts are commercially viable, the rich chemistry of polymers allows for many pathways of improvement. We discuss current efforts to understand the structure and action of the active sites and, based on that discussion and research reported to date, suggest future work in the field of oxygen reduction electrocatalysis using transition metal/polymer catalysts." @default.
• W1929708148 created "2016-06-24" @default.
• W1929708148 creator A5060509548 @default.
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• W1929708148 date "2010-12-15" @default.
• W1929708148 modified "2023-10-16" @default.
• W1929708148 title "Transition metal/polymer catalysts for <scp>O</scp> ₂ reduction" @default.
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• W1929708148 doi "https://doi.org/10.1002/9780470974001.f500004" @default.
• W1929708148 hasPublicationYear "2010" @default.
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