The DOI matches its Crossref record; 27 of the 27 references it cites were found in a registry or an index.
A Pt−Ru/Graphitic Carbon Nanofiber Nanocomposite Exhibiting High Relative Performance as a Direct-Methanol Fuel Cell Anode Catalyst
Abstract
Multistep deposition and reactive decomposition of a precursor molecule containing one Pt and one Ru atom on herringbone graphitic carbon nanofibers (GCNFs) affords a Pt−Ru/GCNF nanocomposite containing Pt−Ru alloy nanoclusters widely dispersed on the GCNF support. The nanocomposite has a total metal content of 42 wt % with a bulk Pt/Ru atomic ratio of ca. 1:1, and metal alloy nanoclusters having average particle sizes of 6 nm as calculated from XRD peak widths or 7 nm as measured directly from TEM images. XRD and electrochemical analysis of the nanocomposite as-prepared and stored under ambient conditions reveals the presence of small amounts of Ru metal and oxidized metal species. Comparative testing of this nanocomposite and an unsupported Pt−Ru colloid of similar surface area and catalyst particle size as anode catalysts in a working direct-methanol fuel cell (DMFC) reveals a 50% increase in performance for the Pt−Ru/GCNF nanocomposite. More detailed study of the catalytic performance of metal alloy/GCNF nanocomposites as DMFC anode catalysts appears to be warranted.
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“reported that the faradic efficiencies for CO2 reduction products using Cu electrode in a methanol solution at low temperatures were better than those obtained without methanol at ambient temperature [29, 30].”
BackgroundMethod
Metadata
- Authors
- Steigerwalt, E. S., Deluga, G. A., Cliffel, D. E., & Lukehart, C. M.
- Venue
- The Journal of Physical Chemistry B
- Publisher
- American Chemical Society (ACS)
- Published
- 2001-08-01
- Volume
- 105
- Issue
- 34
- Pages
- 8097-8101
- ISSN
- 1520-5207 (ISSN-L)
- 1520-6106
- OpenAlex
- W2046284343
- Cited by
- 358
- References
- 27
- FWCI
- 18.02
- Type
- journal article
- Language
- en
- Open access
- closed
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