Influences of mesopore size on oxygen reduction reaction catalysis of pt/carbon aerogels
Abstract
A series of carbon aerogel (CA) samples with different pore sizes were loaded with platinum nanoparticles through the polyol reduction method. All the Pt/CAs possess nano Pt particles (2.5−3.5 nm) and uniform dispersion. The catalytic activities to oxygen reduction reaction (ORR) of Pt/CAs were evaluated by cyclic voltammetry in O 2 saturated HClO 4 with a rotating disk electrode. The catalytic activities of Pt/CAs are higher than that of commercial carbon black supported catalyst with the same Pt loading amount. Among the Pt/CAs, the relationship between ORR activity and mean meso pore size shows that the greater meso pore size can promote the catalysis activity. In the present study, the carbon aerogel with the mean meso pore size of 18.5 nm achieves the best ORR performance.
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Many studies demonstrated the advantage of mesopores over micropores in the mass transport process in a variety of applications.
“Many studies demonstrated the advantage of mesopores over micropores in the mass transport process in a variety of applications [135,153].”
From Block Copolymers: Synthesis, Self-Assembly, and Applications (2017) · cites this paper as [153]
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- Authors
- Du, H., Gan, L., Li, B., Wu, P., Qiu, Y., Kang, F., Fu, R., & Zeng, Y.
- Affiliations
- Tsinghua Shenzhen International Graduate School (CN)
- Corresponding author
- Kang, Feiyu
- Venue
- The Journal of Physical Chemistry C
- Publisher
- American Chemical Society (ACS)
- Published
- 2007-01-18
- Volume
- 111
- Issue
- 5
- Pages
- 2040-2043
- ISSN
- 1932-7447 (ISSN-L)
- 1932-7455
- OpenAlex
- W1978767626
- Cited by
- 69
- References
- 17
- Citations by year
- 2026: 1 · 2025: 1 · 2024: 1 · 2023: 2 · 2022: 1 · 2021: 2 · 2020: 8 · 2019: 2 · 2018: 1 · 2017: 7 · 2016: 5 · 2015: 3 · 2014: 3 · 2013: 7 · 2012: 2
- FWCI
- 3.52
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- The Journal of Physical Chemistry C (publishedVersion)
- Topics
- Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Electrocatalysts for Energy Conversion
- Physical Sciences › Materials Science › Materials Chemistry › Catalytic Processes in Materials Science
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Fuel Cells and Related Materials
- Keywords
- oxygen reduction reaction, mesopore size, platinum nanoparticles, electrocatalysis, polyol synthesis, carbon black comparison, mesoporous carbon support
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