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A well‐dispersed Co,N co‐doped carbon nanoframework (Co,N‐CNF) with hierarchically porous structure is successfully synthesized from zeolitic imidazolate framework (ZIF) precursors via a mesoporous‐silica‐protected calcination strategy. By preventing the irreversible fusion and aggregation during the high‐temperature pyrolysis step with this protection strategy, the Co,N‐CNF exhibits comparable oxygen...
The performances of metal and nitrogen co‐doped carbon electrocatalysts obtained by pyrolysis suffer enormously from the irreversible fusion and aggregation of catalyst particles during pyrolysis. On page 1668, T. Zhang and co‐workers develop a mesoporous SiO2‐protected calcination strategy for the synthesis of a dispersive Co,N‐co‐doped carbon framework with outstanding oxygen reduction reaction...
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