Synthesis of carbon supported platinum-tungsten...

Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Organic compound containing

Reexamination Certificate

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C502S150000, C502S102000, C502S104000, C502S107000

Reexamination Certificate

active

07871954

ABSTRACT:
The present teachings are directed toward methods of producing electrocatalyst compositions of platinum and tungsten through the thermal decomposition of carbonyl-containing complexes of the two metals.

REFERENCES:
patent: 6939640 (2005-09-01), Kourtakis
patent: 6967183 (2005-11-01), Hampden-Smith et al.
patent: 7037873 (2006-05-01), Kato
patent: 7060648 (2006-06-01), Christian et al.
patent: 2001/0027160 (2001-10-01), Lee et al.
patent: 2006/0121332 (2006-06-01), He et al.
patent: 2004/109829 (2004-12-01), None
Dickinson, A.J, Carrette, L.P.L. Collins, J.A., Friedrich, K.A., Stimming, U.; Preparation of a Pt-Ru/C catalyst from carbonyl complexes for fuel cell applications, Electrochimica Acta, vol. 47, No. 22-23, (Aug. 30, 2002) pp. 3733-3739., Elsevier Science, Barking , Great Britain.
He T., Kreidler, E., Xiong, L., Luo, J., Zhong, C.J., Alloy Electrocatylsts—Combinatorial Discovery and Nanosynthesis, J. of the Electrochemical Society, vol. 153, No. 9, (Jun. 27, 2006), pp. A1637-A1643, The Electrochemical Society.
Zhou, W.J., et al., Pt-based anode catalysts for direct fuel cells, Solid State Ionics, vol. 175, No. 1-4, (Nov. 30, 2004), pp. 797-803, North Holland Publishing Company, Amsterdam, NL.
Pattabi, M., et al., Electrochemical charaterization of tungsten carbonyl compound for oxygen reduction reaction, International Jour. of Hydrogen Energy, vol. 26, No. 2, (Feb. 2001), pp. 171-174, Elsevier Science Publishers, Barking, Great Britain.
Xiong, L., He, T., Synthesis and charaterization of carbon supported PtW catalysts from carbonyl complexes for oxygen electroreduction, Electrochemistry Commun., vol. 8, No. 10, (Oct. 2006), pp. 1671-1676, Elsevier B.V., Amsterdam, NL.
Kreidler, E., et al.; “Combinatorial Discovery of Alloy Electrocatalyst s for Oxygen Reduction”; Electrocatalysis PV11, 222, The Electrochemical Society, Pennington, NJ.
Gotz, M., et al.; “Binary and ternary anode catalyst formulations including the elements W, Sn and Mo for PEMFCs operated on methanol or reformate gas,” Electrochimica Acta, vol. 43, No. 24, pp. 3637-3644 (1998), Elsevier Science, Ltd.
Zhou, W., et al.; “Pt based anode catalyst for direct ethanol fuel cells,” Applied Catalysis B: Environmental, vol. 46, pp. 273-285 (2003), Elsevier B.V.
Arico, A.S., et al.; “Investigation of a carbon-supported quaternary Pt-Ru-Sn-W catalyst for direct methanol fuel cells,” J. Power Sources, vol. 55, pp. 159-166 (1995); Elsevier Science S.A.
Lee, S., et al.; “Nanoparticle Synthesis and Electrocatalytic Activity of Pt Alloys for Direct Methanol Fuel Cells,” J. Electrochemical Soc., vol. 149, No. 10, pp. A1299-A12304 (2002), The Electrochemical Society, Inc.
Goetz, M., et al.; “Composite electrocatalysts for anodic methanol and methanol-reformate oxidation,” J. Applied Electrochemistry, vol. 31, pp. 811-17, (2001), Kluwer Academic Publishers.
Shao, C., et al.; “Selective methanol synthesis from CO2/H2 on new SiO2-supported PtW and PtCr bimetallic catalysts,” Applied Catalysis A: General, vol. 128, L1-L6 (1995), Elsevier Science B. V.
Alexeev, O., et al., “MgO-Supported Platinum-Tungsten Catalysts Prepared from Organometallic Precursors: Platinum Clusters Isolated on Dispersed Tungsten,” J. Catalysis, vol. 164, pp. 1-15 (1996), Academic Press.

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