Pt Nanoparticle-Loaded Graphene Aerogel Microspheres with Excellent Methanol Electro-Oxidation Performance
Abstract
Platinum-decorated graphene aerogel microspheres were fabricated through a combined electrospraying, freeze-casting, and solvothermal process. Platinum nanoparticles with a narrow size distribution are evenly anchored on the graphene aerogel microspheres without agglomeration benefitting from the distinct center-diverging microchannel structure of the graphene aerogel microspheres, which results in the as-prepared catalysts presenting excellent electrocatalytic performance including high electrocatalytic activity and high poison tolerance toward methanol electro-oxidation, showing great potential for direct methanol fuel cell anode catalysts. In particular, the platinum-decorated graphene aerogel microspheres exhibit an extremely high mass activity of 1098.9 mA mg -1 toward methanol oxidation as well as excellent antipoisoning ability, which are dramatically enhanced compared with Pt particles dispersed on graphene oxide and commercial carbon black supports.
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The reduced graphene oxide aerogel microspheres (rGOAMs) with ordered microchannel structures have been recently proven as a stable template to host various electroactive catalysts by our group.
“The reduced graphene oxide aerogel microspheres (rGOAMs) with ordered microchannel structures has been recently proven as a stable template to host various electroactive catalysts by our group.[21–26]”
From 3D Printing of Graphene Aerogel Microspheres to Architect High‐Performance Electrodes for Hydrogen Evolution Reaction (2025) · cites this paper as [23]
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- Authors
- He, M., Fei, G., Zheng, Z., Cheng, Z., Wang, Z., & Xia, H.
- Affiliations
- Sichuan University (CN)
- Corresponding author
- Wang, Zhanhua
- Venue
- Langmuir
- Publisher
- American Chemical Society (ACS)
- Published
- 2019-02-18
- Volume
- 35
- Issue
- 10
- Pages
- 3694-3700
- ISSN
- 0743-7463 (ISSN-L)
- 1520-5827
- OpenAlex
- W2916622949
- Cited by
- 44
- References
- 36
- Citations by year
- 2026: 1 · 2025: 8 · 2024: 6 · 2023: 3 · 2022: 7 · 2021: 5 · 2020: 7 · 2019: 7
- FWCI
- 1.38
- Type
- journal article
- Language
- en
- Open access
- closed
- Licence
- Locations
- Langmuir (publishedVersion)
- PubMed (publishedVersion)
- Funders
- National Natural Science Foundation of China (51861135201)
- Ministero degli Affari Esteri e della Cooperazione Internazionale (51861135201)
- State Key Laboratory of Polymer Materials Engineering, Sichuan University (sklpme2017-3-04)
- 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 › Engineering › Electrical and Electronic Engineering › Electrochemical sensors and biosensors
- Keywords
- platinum nanoparticles, methanol electrooxidation, direct methanol fuel cells, electrocatalysts, electrospraying, freeze casting, solvothermal synthesis, microchannel structure, mass activity, catalyst supports
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