Platinum- and platinum alloy-coated palladium and palladium alloy particles and uses thereof

Adzic, Radoslav; Zhang, Junliang; Mo, Yibo; Vukmirovic, Miomir Branko

Platinum- and platinum alloy-coated palladium and palladium alloy particles and uses thereof

Patent · Tue Apr 06 04:00:00 EDT 2010

OSTI ID:1176215

Adzic, Radoslav; Zhang, Junliang; Mo, Yibo; Vukmirovic, Miomir Branko

The present invention relates to particle and nanoparticle composites useful as oxygen-reduction electrocatalysts. The particle composites are composed of a palladium or palladium-alloy particle or nanoparticle substrate coated with an atomic submonolayer, monolayer, bilayer, or trilayer of zerovalent platinum atoms. The invention also relates to a catalyst and a fuel cell containing the particle or nanoparticle composites of the invention. The invention additionally includes methods for oxygen reduction and production of electrical energy by using the particle and nanoparticle composites of the invention.

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Research Organization:: Brookhaven National Laboratory (BNL), Upton, NY (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: AC02-98CH10886

Assignee:: Brookhaven Science Associates, LLC (Upton, NY)

Patent Number(s):: 7,691,780

Application Number:: 11/019,759

OSTI ID:: 1176215

Country of Publication:: United States

Language:: English

References (32)

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