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738573

Sigma-Aldrich

Platinum-ruthenium alloy on graphitized carbon

greener alternative

extent of labeling: 20 wt. % Pt loading, extent of labeling: 10 wt. % Ru loading

Synonym(s):

20% Pt, 10% Ru on Vulcan XC72, 30% Pt-Ru/Vulcan

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About This Item

Linear Formula:
Pt/Ru
MDL number:
MFCD00798552
UNSPSC Code:
12161600
PubChem Substance ID:
329765289
NACRES:
NA.23

form

powder

reaction suitability

reagent type: catalyst
core: platinum

greener alternative product characteristics

Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.

sustainability

Greener Alternative Product

extent of labeling

20 wt. % Pt loading
10 wt. % Ru loading

particle size

<5 nm (Pt)

greener alternative category

Enabling,

SMILES string

[Ru].[Pt]

InChI

1S/Pt.Ru

InChI key

CFQCIHVMOFOCGH-UHFFFAOYSA-N

Application

Platinum-ruthenium alloy on graphitized carbon (30% Pt-Ru/Vulcan) can be used as an electrocatalyst for the fabrication of direct methanol fuel cells (DMFC) and proton exchange membrane (PEM) based fuel cells.

Other Notes

We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Greener Chemistry. This product has been enhanced for energy efficiency. Find details here.

Pictograms

Flame
GHS02

Signal Word

Danger

Hazard Statements

H228

Hazard Classifications

Flam. Sol. 1

Storage Class Code

4.1B - Flammable solid hazardous materials

WGK

nwg

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Platinum nanopowder, &lt;50&#160;nm particle size (TEM)

Sigma-Aldrich

685453

Platinum

Platinum on carbon extent of labeling: 5&#160;wt. % loading, matrix activated carbon support

Sigma-Aldrich

205931

Platinum on carbon

Pt-WO3 supported on carbon nanotubes as possible anodes for direct methanol fuel cells
Rajesh B, et al.
Fuel: The Science and Technology of Fuel and Energy, 81(17), 2177-2190 (2002)
Liu, L.; Pu, C.; Viswanathan, R.; Fan, Q.; Liu, R.; Smotkin, E. S.
Electrochimica Acta, 43, 3657-3657 (1998)
CO-tolerance of low-loaded Pt/Ru anodes for PEM fuel cells
Qi Z and Kaufman A
Journal of Power Sources, 113(1), 115-123 (2003)
Zhaolin Liu et al.
Langmuir : the ACS journal of surfaces and colloids, 20(1), 181-187 (2005-03-05)
PtRu nanoparticles supported on Vulcan XC-72 carbon and carbon nanotubes were prepared by a microwave-assisted polyol process. The catalysts were characterized by transmission electron microscopy, X-ray diffraction, and X-ray photoelectron spectroscopy (XPS). The PtRu nanoparticles, which were uniformly dispersed on
Caillard, A.; Countanceau, C.; Brault, P.; Mathias, J.; Leger, J. M.
Journal of Power Sources, 162, 66-66 (2006)
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