Graphene‐Based Carbon Nitride Nanosheets as Efficient Metal‐Free Electrocatalysts for Oxygen Reduction Reactions
Abstract
Sandwich-like, graphene-based carbon nitride nanosheets (G–CN), among many other advantages, show an enhanced electrical conductivity. Oxygen atoms can thus access the catalyst surface easily and the rapid diffusion of electrons in the electrode during the oxygen reduction process is facilitated. G–CN nanosheets can hence serve as metal-free electrocatalysts for oxygen reduction reactions (ORR) with excellent performance.
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The N 1s XPS peaks of Co-N-GA are deconvoluted into four signals centred at 398.4, 399.5, 401.0 and 404.9 eV, assignable to pyridinic N, pyrrolic N, graphitic-N and oxidized N, respectively.
“The N1s peaks are deconvoluted into four signals centred at 398.4, 399.5, 401.0 and 404.9 eV, assignable to pyridinic N, pyrrolic N, graphitic-N and oxidized N, respectively.[26,27]”
To evaluate the properties of a catalyst, methanol crossover effect should be evaluated carefully as fuel molecules (methanol, glucose) from anode sometimes permeate to cathode and seriously affect the activity of cathode material.
“To evaluate the properties of a catalyst, methanol crossover effect should be evaluated carefully as fuel molecules (methanol, glucose) from anode sometimes permeate to cathode and seriously affect the activity of cathode material34, 68.”
From Gold aerogel supported on graphitic carbon nitride: an efficient electrocatalyst for oxygen reduction reaction and hydrogen evolution reaction (2015) · cites this paper as [68]
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- Authors
- Yang, S., Feng, X., Wang, X., & Müllen, K.
- Affiliations
- Max Planck Society (DE)
- Corresponding author
- Feng, Xinliang
- Venue
- Angewandte Chemie International Edition
- Publisher
- Wiley
- Published
- 2011-05-09
- Volume
- 50
- Issue
- 23
- Pages
- 5339-5343
- ISSN
- 1433-7851 (ISSN-L)
- 1521-3773
- OpenAlex
- W2100450961
- Cited by
- 1,109
- References
- 0
- Citations by year
- 2026: 11 · 2025: 14 · 2024: 27 · 2023: 27 · 2022: 38 · 2021: 55 · 2020: 56 · 2019: 65 · 2018: 108 · 2017: 121 · 2016: 134 · 2015: 120 · 2014: 143 · 2013: 105 · 2012: 67
- FWCI
- 44.03
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Angewandte Chemie International Edition (publishedVersion)
- PubMed (publishedVersion)
- Max Planck Institute for Plasma Physics (submittedVersion)
- Max Planck Digital Library (submittedVersion)
- MPG.PuRe (Max Planck Society) (submittedVersion)
- Topics
- Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Electrocatalysts for Energy Conversion
- Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › CO2 Reduction Techniques and Catalysts
- Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Advanced Photocatalysis Techniques
- Keywords
- carbon nitride nanosheets, oxygen reduction reaction, metal-free electrocatalysts, electrical conductivity, electron diffusion, oxygen diffusion
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