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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

Quality Level

100

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

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Certificates of Analysis (COA)

Lot/Batch Number
MKCP8871
MKCL7619
MKCG2944
MKCF9520
MKBJ0576

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Sigma-Aldrich

685453

Platinum

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

Sigma-Aldrich

205931

Platinum on carbon

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
Liu, L.; Pu, C.; Viswanathan, R.; Fan, Q.; Liu, R.; Smotkin, E. S.
Electrochimica Acta, 43, 3657-3657 (1998)
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)
Caillard, A.; Countanceau, C.; Brault, P.; Mathias, J.; Leger, J. M.
Journal of Power Sources, 162, 66-66 (2006)

Articles

Proton Exchange Membrane (PEM) Fuel Cells

Proton exchange membrane (PEM) fuel cells operate at relatively low temperatures and are composed of two electrodes and a conductive elecrolyte.

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