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Title: Electrocatalysts having gold monolayers on platinum nanoparticle cores, and uses thereof

Abstract

The invention relates to gold-coated particles useful as fuel cell electrocatalysts. The particles are composed of an electrocatalytically active core at least partially encapsulated by an outer shell of gold or gold alloy. The invention more particularly relates to such particles having a noble metal-containing core, and more particularly, a platinum or platinum alloy core. In other embodiments, the invention relates to fuel cells containing these electrocatalysts and methods for generating electrical energy therefrom.

Inventors:
;
Issue Date:
Research Org.:
Brookhaven National Lab. (BNL), Upton, NY (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1176257
Patent Number(s):
7704919
Application Number:
11/193,694
Assignee:
Brookhaven Science Associates, LLC (Upton, NY)
Patent Classifications (CPCs):
H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01M - PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
B - PERFORMING OPERATIONS B82 - NANOTECHNOLOGY B82Y - SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES
DOE Contract Number:  
AC02-98CH10886
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 30 DIRECT ENERGY CONVERSION

Citation Formats

Adzic, Radoslav, and Zhang, Junliang. Electrocatalysts having gold monolayers on platinum nanoparticle cores, and uses thereof. United States: N. p., 2010. Web.
Adzic, Radoslav, & Zhang, Junliang. Electrocatalysts having gold monolayers on platinum nanoparticle cores, and uses thereof. United States.
Adzic, Radoslav, and Zhang, Junliang. Tue . "Electrocatalysts having gold monolayers on platinum nanoparticle cores, and uses thereof". United States. https://www.osti.gov/servlets/purl/1176257.
@article{osti_1176257,
title = {Electrocatalysts having gold monolayers on platinum nanoparticle cores, and uses thereof},
author = {Adzic, Radoslav and Zhang, Junliang},
abstractNote = {The invention relates to gold-coated particles useful as fuel cell electrocatalysts. The particles are composed of an electrocatalytically active core at least partially encapsulated by an outer shell of gold or gold alloy. The invention more particularly relates to such particles having a noble metal-containing core, and more particularly, a platinum or platinum alloy core. In other embodiments, the invention relates to fuel cells containing these electrocatalysts and methods for generating electrical energy therefrom.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2010},
month = {4}
}

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