Synthesis and Properties of Platinum Nanocatalyst Supported on Cellulose-Based Carbon Aerogel for Applications in PEMFCs
Open accessAbstract
Platinum nanoparticles supported on nanostructured cellulose-based carbon aerogels (carbonized aerocellulose, CAC) were evaluated in proton exchange membrane fuel cell (PEMFC). The CAC substrate was synthesized through the dissolution, gelation, regeneration, supercritical CO 2 drying and pyrolysis of cellulose. The Pt nanoparticles deposition was performed by impregnation of the CAC with H 2 PtCl 6 , followed by Pt z+ species reduction either under H 2 at 300–400°C or in basic NaBH 4 solution. While H 2 reduction leads to uniform Pt nanoparticles well-dispersed over the CAC surface, larger agglomerates form with NaBH 4 reduction, as revealed by transmission electron microscopy (TEM) and powder X-ray diffraction (XRD). The reduction methods influences the quantity of platinum deposited, which may be increased by using multiple impregnation/reduction steps. The specific surface area of Pt and specific/mass activities towards oxygen reduction of the Pt/CAC materials, investigated using the rotating disk electrode setup, are similar to those of commercial Pt/Carbon Black (CB). Finally, PEMFC unit cell testing demonstrates that a Pt/CAC sample synthesized using three successive impregnation/reduction steps, loaded at ca . 14 wt % Pt/(Pt + C), competes with state-of-the-art Pt/CB electrocatalysts of comparable Pt loading.
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In that cellulose-aerogel study, three successive loading and reduction steps were necessary to achieve good activities and homogeneous Pt-dispersion/sufficient Pt-amounts.
“in this case, three successive loading and reduction steps were necessary to achieve good activities and homogeneous Pt-dispersion/sufficient Pt-amounts.”
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Cited by
Sorted by citations
Alsuhile, A., Pein, P. S., Barım, Ş. B., Bozbağ, S. E., Smirnova, I., Erkey, C., & Schroeter, B. (2025) · Advanced Energy and Sustainability Research · doi:10.1002/aesr.202400433 · Cited by 8 · see citing works
- Authors
- Rooke, J., de Matos Passos, C., Chatenet, M., Sescousse, R., Budtova, T., Berthon-Fabry, S., Mosdale, R., & Maillard, F.
- Affiliations
- Institut polytechnique de Grenoble (FR)
- Centre de Mise en Forme des Matériaux (FR)
- PaxiTech (France) (FR)
- Venue
- Journal of The Electrochemical Society
- Publisher
- The Electrochemical Society
- Published
- 2011
- Volume
- 158
- Issue
- 7
- Pages
- B779
- ISSN
- 0013-4651 (ISSN-L)
- OpenAlex
- W2088326885
- Cited by
- 34
- References
- 0
- Citations by year
- 2025: 1 · 2023: 3 · 2021: 2 · 2020: 3 · 2019: 2 · 2018: 1 · 2017: 2 · 2016: 3 · 2015: 4 · 2014: 6 · 2013: 3 · 2012: 3
- FWCI
- 1.73
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- Journal of The Electrochemical Society (publishedVersion)
- HAL (submittedVersion)
- Funders
- Agence Nationale de la Recherche (ANR-06-MAPR-0004)
- 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
- platinum nanoparticles, carbon aerogels, proton exchange membrane fuel cells, oxygen reduction reaction, electrocatalysts, supercritical CO2 drying, pyrolysis, impregnation-reduction, sodium borohydride reduction, hydrogen reduction, nanoparticle agglomeration, platinum loading
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