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Recent Progress in Nitrogen-Doped Metal-Free Electrocatalysts for Oxygen Reduction Reaction

1,*, 1, 2,* and 1,*
1
Key Laboratory of Sensor Analysis of Tumor Marker of Education Ministry, State Key Laboratory Base of Eco-chemical Engineering, College of Chemistry and Molecular Engineering, Qingdao University of Science & Technology, 53 Zhengzhou Road, Qingdao 266042, China
2
Department of Applied Physics, The Hong Kong Polytechnic University, Hung Horn, Kowloon 999077, Hong Kong, China
*
Authors to whom correspondence should be addressed.
Catalysts 2018, 8(5), 196; https://doi.org/10.3390/catal8050196
Received: 16 April 2018 / Revised: 1 May 2018 / Accepted: 2 May 2018 / Published: 7 May 2018
(This article belongs to the Special Issue Catalysts for Oxygen Reduction Reaction)
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PDF [2035 KB, uploaded 7 May 2018]
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Abstract

Electrocatalysis for the oxygen reduction reaction (ORR) at the cathode plays a critical role in fuel cells and metal-air batteries. However, the high-cost and sluggish kinetics of the catalytic reaction have hindered its development. Therefore, developing efficient catalysts to address these issues is of vital significance. In this work, we summarized the recent progress of nitrogen (N)-doped metal-free catalysts for the ORR, owing to their high catalytic activity (comparable to Pt/C) and cost-effectiveness. The synthetic strategy and the morphology structure to catalytic performance are mainly discussed. Furthermore, the design of N-doped nanomaterials with other heteroatoms in aiming to further enhance the ORR performance is also reviewed. At the end of the review, we provide a brief summary of the N-doped carbon-based catalysts in enhancing the ORR performance and give future perspectives for their further development. View Full-Text
Keywords: nitrogen-doped carbon; metal-free; electrocatalysis; oxygen reduction reaction; perspectives nitrogen-doped carbon; metal-free; electrocatalysis; oxygen reduction reaction; perspectives
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Wu, Z.; Song, M.; Wang, J.; Liu, X. Recent Progress in Nitrogen-Doped Metal-Free Electrocatalysts for Oxygen Reduction Reaction. Catalysts 2018, 8, 196.

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