Cited by 95Electrocatalysts for Energy ConversionFuel Cells and Related MaterialsCatalytic Processes in Materials Science

Three-Dimensional Boron- and Nitrogen-Codoped Graphene Aerogel-Supported Pt Nanoparticles as Highly Active Electrocatalysts for Methanol Oxidation Reaction

Li, Miaomiao, Jiang, Quanguo, Yan, Minmin, Wei, Yujie, Zong, Jianbo, Zhang, Jianfeng, Wu, Yuping, Huang, Huajie·2018·ACS Sustainable Chemistry & Engineering

Abstract

Although direct methanol fuel cells have long been regarded as promising “green” power generators for portable electronics, their further development has been largely hampered by the high cost as well as the insufficient activity of the current Pt-based anode catalysts. Herein, we present a bottom-up approach to the large-scale fabrication of three-dimensional (3D) hybrid materials made from ultrafine Pt nanoparticles as well as B- and N-codoped graphene aerogel (BN-GA). The resulting Pt/BN-GA catalyst possesses 3D cross-linked porous networks, large specific surface areas, numerous B and N active sites, homogeneous Pt dispersion, and good electrical conductivity, which are all desirable for the anode catalytic system in direct methanol fuel cells. As a consequence, outstanding electrochemical properties in terms of high catalytic activity, reliable long-term durability, and strong antitoxic ability are achieved for the Pt/BN-GA catalyst, significantly superior to those for the conventional Pt/carbon black, Pt/graphene, and Pt/graphene aerogel catalysts. Density functional theory (DFT) calculations further reveal that the dramatically enhanced catalytic performance is attributed to the strong interaction between Pt and the BN-GA support, which generates remarkable synergetic coupling effects that enable rapid kinetics for the methanol oxidation reaction.

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Crossref · 10.1021/acssuschemeng.8b00425

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Authors
Li, M., Jiang, Q., Yan, M., Wei, Y., Zong, J., Zhang, J., Wu, Y., & Huang, H.
Affiliations
Hohai University (CN)
Corresponding author
Huang, Huajie
Venue
ACS Sustainable Chemistry & Engineering
Published
2018-04-04
Volume
6
Issue
5
Pages
6644-6653
ISSN
2168-0485 (ISSN-L)
OpenAlex
W2795603459
Cited by
95
References
62
Citations by year
2026: 5 · 2025: 5 · 2024: 17 · 2023: 11 · 2022: 21 · 2021: 9 · 2020: 10 · 2019: 14 · 2018: 3
FWCI
2.08
Type
journal article
Language
en
Open access
closed
Locations
ACS Sustainable Chemistry & Engineering (publishedVersion)
Funders
  • China Postdoctoral Science Foundation (2016T90414, 2015M580387)
  • Natural Science Foundation of Jiangsu Province (BK20160871)
Topics
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Electrocatalysts for Energy Conversion
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Fuel Cells and Related Materials
  • Physical Sciences › Materials Science › Materials Chemistry › Catalytic Processes in Materials Science
Keywords
methanol oxidation, direct methanol fuel cells, platinum nanoparticles, graphene aerogel, electrocatalysts, Pt-support interaction, synergistic effect, anode catalysts

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