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Title: Nitride stabilized core/shell nanoparticles

Abstract

Nitride stabilized metal nanoparticles and methods for their manufacture are disclosed. In one embodiment the metal nanoparticles have a continuous and nonporous noble metal shell with a nitride-stabilized non-noble metal core. The nitride-stabilized core provides a stabilizing effect under high oxidizing conditions suppressing the noble metal dissolution during potential cycling. The nitride stabilized nanoparticles may be fabricated by a process in which a core is coated with a shell layer that encapsulates the entire core. Introduction of nitrogen into the core by annealing produces metal nitride(s) that are less susceptible to dissolution during potential cycling under high oxidizing conditions.

Inventors:
; ;
Issue Date:
Research Org.:
Brookhaven National Lab. (BNL), Upton, NY (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1418791
Patent Number(s):
9882222
Application Number:
14/554,583
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 B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL B01J - CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY
DOE Contract Number:  
AC02-98CH10886
Resource Type:
Patent
Resource Relation:
Patent File Date: 2014 Nov 26
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 77 NANOSCIENCE AND NANOTECHNOLOGY

Citation Formats

Kuttiyiel, Kurian Abraham, Sasaki, Kotaro, and Adzic, Radoslav R. Nitride stabilized core/shell nanoparticles. United States: N. p., 2018. Web.
Kuttiyiel, Kurian Abraham, Sasaki, Kotaro, & Adzic, Radoslav R. Nitride stabilized core/shell nanoparticles. United States.
Kuttiyiel, Kurian Abraham, Sasaki, Kotaro, and Adzic, Radoslav R. Tue . "Nitride stabilized core/shell nanoparticles". United States. https://www.osti.gov/servlets/purl/1418791.
@article{osti_1418791,
title = {Nitride stabilized core/shell nanoparticles},
author = {Kuttiyiel, Kurian Abraham and Sasaki, Kotaro and Adzic, Radoslav R.},
abstractNote = {Nitride stabilized metal nanoparticles and methods for their manufacture are disclosed. In one embodiment the metal nanoparticles have a continuous and nonporous noble metal shell with a nitride-stabilized non-noble metal core. The nitride-stabilized core provides a stabilizing effect under high oxidizing conditions suppressing the noble metal dissolution during potential cycling. The nitride stabilized nanoparticles may be fabricated by a process in which a core is coated with a shell layer that encapsulates the entire core. Introduction of nitrogen into the core by annealing produces metal nitride(s) that are less susceptible to dissolution during potential cycling under high oxidizing conditions.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2018},
month = {1}
}

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Works referenced in this record:

Nitride Stabilized PtNi Core–Shell Nanocatalyst for high Oxygen Reduction Activity
journal, February 2012