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Transition metal–nitrogen–carbon nanostructured catalysts for the oxygen reduction reaction: From mechanistic insights to structural optimization

Shen, Mengxia, Wei, Changting, Ai, Kelong, Lu, Lehui·2017·Nano Research

Abstract

Accelerating the rate-limiting oxygen reduction reaction (ORR) at the cathode remains the foremost issue for the commercialization of fuel cells. Transition metal–nitrogen–carbon (M–N/C, M = Fe, Co, etc.) nanostructures are the most promising class of non-precious metal catalysts (NPMCs) with satisfactory activities and stabilities in practical fuel cell applications. However, the long-debated nature of the active sites and the elusive structure-performance correlation impede further developments of M–N/C materials. In this review, we present recent endeavors to elucidate the actual structures of active sites by adopting a variety of physicochemical techniques that may provide a profound mechanistic understanding of M–N/C catalysts. Then, we focus on the spectacular progress in structural optimization strategies for M–N/C materials with tailored precursor architectures and modified synthetic routes for controlling the structural uniformity and maximizing the number of active sites in catalytic materials. The recognition of the right active centers and site-specific engineering of the nanostructures provides future directions for designing advantageous M–N/C catalysts.

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Metadata

Authors
Shen, M., Wei, C., Ai, K., & Lu, L.
Venue
Nano Research
Published
2017-01-18
Volume
10
Issue
5
Pages
1449-1470
ISSN
  • 1998-0000 (ISSN-L)
  • 1998-0124
OpenAlex
W2572403440
Cited by
162
References
6
FWCI
6.12
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Transition metal–nitrogen–carbon nanostructured catalysts for the oxygen reduction reaction: From mechanistic insights to structural optimization. https://app.cochat.ai/papers/10.1007/s12274-016-1400-7
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Shen, M., Wei, C., Ai, K., & Lu, L. (2017). Transition metal–nitrogen–carbon nanostructured catalysts for the oxygen reduction reaction: From mechanistic insights to structural optimization. Nano Research. https://doi.org/10.1007/s12274-016-1400-7

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