Journal
CHEMICAL COMMUNICATIONS
Volume 56, Issue 90, Pages 14087-14090Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d0cc06424f
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Funding
- National Natural Science Foundation of China [51702047]
- State Administration of Science, Technology and Industry for National Defence of China [JCKY2018203c035]
- National Key R&D Project of China [SQ2018YFC200227]
- Shanghai Rising-Star Program [20QA1400600]
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We report a one-step synthesis of a macroporous Cu-g/C3N4 nanofiber catalyst, in which Cu-nanodots (<10 nm) are well coupled with g/C3N4 nanosheets to form Cu-Nx nanorods on the macroporous carbon nanofiber scaffold. The catalyst with a high specific surface area of 514.9 m(2) g(-1) exposes abundant electroactive sites that facilitate the adsorption of oxygen intermediates and thus exhibits high ORR activity, such as a high half wave potential of 0.83 V and long-term stability over 1000 cycles. The catalyst is a potential substitute for noble metal catalysts.
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