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Carbon‐based bifunctional electrocatalysts for both oxygen reduction and evolution reactions are potentially cost‐effective to replace noble metals in energy devices such as fuel cells, metal–air batteries, and photoelectrochemical converters, but enrichment of active sites holds the key to efficiency. Here, graphene frameworks with heteroatom‐doped carbon dots (CDs) are developed via a hydrothermal...
A bottom‐up method is applied to construct catalysts for ORR. Notably, the basic building blocks, small molecules, work like the periodic table, in which any molecule can be picked out, polymerized into a defined structure (like 2D CTF here), and further evolved to functional materials (like the N‐doped catalyst and N,F‐codoped catalyst described by G. Zhang, L. Zhi, and co‐workers on page 3190)....
A bottom‐up method is used to construct novel metal‐free catalysts for deeper study of oxygen reduction reaction (ORR) catalysis. Through controlling the structural evolution of a 2D covalent triazine‐based framework, the conductivity, nitrogen configurations, and multidoping structures of the as‐prepared catalysts can be easily tuned, which makes a great platform for both studying the mechanisms...
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