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  Active site engineering of single-atom carbonaceous electrocatalysts for the oxygen reduction reaction

Chen, G., Zhong, H., & Feng, X. (2021). Active site engineering of single-atom carbonaceous electrocatalysts for the oxygen reduction reaction. Chemical Science, D1SC05867C. doi:10.1039/d1sc05867c.

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https://doi.org/10.1039/D1SC05867C (Publisher version)
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 Creators:
Chen, Guangbo1, Author
Zhong, Haixia1, Author
Feng, Xinliang2, Author              
Affiliations:
1External Organizations, ou_persistent22              
2Department of Synthetic Materials and Functional Devices (SMFD), Max Planck Institute of Microstructure Physics, Max Planck Society, ou_3316580              

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Free keywords: METAL-ORGANIC FRAMEWORKS; MEMBRANE FUEL-CELLS; N-C ELECTROCATALYST; CATALYTIC SITES; DOPED CARBON; FE/N/C-CATALYSTS; POROUS CARBONS; TRANSITION-METALS; CATHODE CATALYSTS; PARTICLE-SIZE CHEMISTRY
 Abstract: The electrocatalytic oxygen reduction reaction (ORR) is the vital process at the cathode of next-generation electrochemical storage and conversion technologies, such as metal-air batteries and fuel cells. Single-metal-atom and nitrogen co-doped carbonaceous electrocatalysts (M-N-C) have emerged as attractive alternatives to noble-metal platinum for catalyzing the kinetically sluggish ORR due to their high electrical conductivity, large surface area, and structural tunability at the atomic level, however, their application is limited by the low intrinsic activity of the metal-nitrogen coordination sites (M-N-x) and inferior site density. In this Perspective, we summarize the recent progress and milestones relating to the active site engineering of single atom carbonous electrocatalysts for enhancing the ORR activity. Particular emphasis is placed on the emerging strategies for regulating the electronic structure of the single metal site and populating the site density. In addition, challenges and perspectives are provided regarding the future development of single atom carbonous electrocatalysts for the ORR and their utilization in practical use.

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Language(s): eng - English
 Dates: 2021-11-10
 Publication Status: Published online
 Pages: 19
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: ISI: 000720475200001
DOI: 10.1039/d1sc05867c
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Title: Chemical Science
  Other : Chem. Sci.
Source Genre: Journal
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Publ. Info: Cambridge, UK : Royal Society of Chemistry
Pages: - Volume / Issue: - Sequence Number: D1SC05867C Start / End Page: - Identifier: ISSN: 2041-6520
CoNE: https://pure.mpg.de/cone/journals/resource/2041-6520