N,P‐Codoped Carbon Networks as Efficient Metal‐free Bifunctional Catalysts for Oxygen Reduction and Hydrogen Evolution Reactions
Abstract
The high cost and scarcity of noble metal catalysts, such as Pt, have hindered the hydrogen production from electrochemical water splitting, the oxygen reduction in fuel cells and batteries. Herein, we developed a simple template-free approach to three-dimensional porous carbon networks codoped with nitrogen and phosphorus by pyrolysis of a supermolecular aggregate of self-assembled melamine, phytic acid, and graphene oxide (MPSA/GO). The pyrolyzed MPSA/GO acted as the first metal-free bifunctional catalyst with high activities for both oxygen reduction and hydrogen evolution. Zn-air batteries with the pyrolyzed MPSA/GO air electrode showed a high peak power density (310 W g(-1) ) and an excellent durability. Thus, the pyrolyzed MPSA/GO is a promising bifunctional catalyst for renewable energy technologies, particularly regenerative fuel cells.
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The good catalytic activity is attributed to the synergic effect of the bimetallic nature and the three-dimensional porous structure of the rGO aerogel with good conductivity and favorable mass-transfer pathways.
“The above results clearly demonstrate that the good catalytic activity would be attributed to the synergic effect of the bimetallic nature and three-dimensional porous structure of the rGO aerogel with good conductivity and favorable mass-transfer pathways.22,47–49”
From Tunable CoFe-based active sites on 3D heteroatom doped graphene aerogel electrocatalysts <i>via</i> annealing gas regulation for efficient water splitting (2018) · cites this paper as [49]
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- Authors
- Zhang, J., Qu, L., Shi, G., Liu, J., Chen, J., & Dai, L.
- Affiliations
- Shandong University (CN)
- Beijing Institute of Technology (CN)
- Tsinghua University (CN)
- State Key Laboratory of Organic-Inorganic Composite Materials (CN)
- State Key Laboratory of Organic-Inorganic Composites BUCT-CWRU International Joint Laboratory College of Energy Beijing University of Chemical Technology Beijing 100084 China
- Corresponding author
- Dai, Liming
- Venue
- Angewandte Chemie International Edition
- Publisher
- Wiley
- Published
- 2015-12-28
- Volume
- 55
- Issue
- 6
- Pages
- 2230-2234
- ISSN
- 1433-7851 (ISSN-L)
- 1521-3773
- OpenAlex
- W2204922787
- Cited by
- 873
- References
- 2
- Citations by year
- 2026: 15 · 2025: 25 · 2024: 39 · 2023: 45 · 2022: 83 · 2021: 84 · 2020: 109 · 2019: 179 · 2018: 163 · 2017: 92 · 2016: 39
- FWCI
- 29.01
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Angewandte Chemie International Edition (publishedVersion)
- PubMed (publishedVersion)
- Funders
- National Science Foundation (CMMI-1400274, CMMI-1266295, DMR 1106160)
- Topics
- Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Electrocatalysts for Energy Conversion
- Physical Sciences › Materials Science › Electronic, Optical and Magnetic Materials › Supercapacitor Materials and Fabrication
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Fuel Cells and Related Materials
- Keywords
- oxygen reduction reaction, hydrogen evolution reaction, porous carbon network, melamine, phytic acid, graphene oxide, template-free synthesis, pyrolysis, zinc-air batteries, electrocatalysis, water splitting, regenerative fuel cells
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