We rationally designed and controllably fabricated a well-defined porous nitrogen-doped carbon nanotube with open-ended channels as a catalyst for the ORR by a twice pseudomorphic transformation of MnO2 nanotubes. The… Click to show full abstract
We rationally designed and controllably fabricated a well-defined porous nitrogen-doped carbon nanotube with open-ended channels as a catalyst for the ORR by a twice pseudomorphic transformation of MnO2 nanotubes. The as-prepared O-NCNT catalysts exhibit an expectably remarkable performance, indicating the potential for replacing Pt-based catalysts in fuel cells and metal-air batteries.
               
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