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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:
UNSPSC Code:
12352300
PubChem Substance ID:
NACRES:
NA.23

form

powder

Quality Level

reaction suitability

reagent type: catalyst
core: platinum

greener alternative product characteristics

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

extent of labeling

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

particle size

<5 nm (Pt)

greener alternative category

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

signalword

Danger

hcodes

Hazard Classifications

Flam. Sol. 1

Storage Class

4.1B - Flammable solid hazardous materials

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable


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 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 operate at relatively low temperatures and are composed of two electrodes and a conductive elecrolyte.

Advances in materials have often been led by the development of new synthetic methods that provide control over size, morphology and structure. The preparation of materials in a scalable and continuous manner is critical when development moves beyond lab-scale quantities.

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