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Title: Nanostructured mixed metal oxides as catalysts and method of making thereof

Abstract

A method of forming a metal oxide material having a rod shape or polyhedral nanostructure includes preparing a first reverse micro-emulsion system comprising an aqueous precipitating agent dispersion and a second reverse micro-emulsion system containing an aqueous metal salt dispersion; combining the micro-emulsions together to initiate a reaction; allowing the reaction to continue to form a product mixture comprising a metal oxide gel and aqueous media; separating the metal oxide gel from the aqueous media; collecting the metal oxide gel; and calcining the metal oxide gel to form the metal oxide material. The metal oxide material corresponds to the chemical formula of La2MxNi1-xO4, Pr2-yAyNiO4, or La2-zDzNiO4, wherein M is copper, cobalt, iron, manganese, chromium, aluminum, or platinum; A is lanthanum or neodymium; D is calcium, barium or strontium; x ranges from 0 to 1; y ranges from 0 to 2; and z ranges from 0 to 0.25.

Inventors:
; ;
Issue Date:
Research Org.:
Wayne State Univ., Detroit, MI (United States)
Sponsoring Org.:
USDOE; National Science Foundation (NSF)
OSTI Identifier:
1859989
Patent Number(s):
11155473
Application Number:
16/208,785
Assignee:
Wayne State University (Detroit, MI)
Patent Classifications (CPCs):
B - PERFORMING OPERATIONS B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL B01J - CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY
B - PERFORMING OPERATIONS B82 - NANOTECHNOLOGY B82Y - SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES
DOE Contract Number:  
CBET-1434696; SC0014347
Resource Type:
Patent
Resource Relation:
Patent File Date: 12/04/2018
Country of Publication:
United States
Language:
English

Citation Formats

Nikolla, Eranda, Wang, Bingwen, and Nacy, Ayad. Nanostructured mixed metal oxides as catalysts and method of making thereof. United States: N. p., 2021. Web.
Nikolla, Eranda, Wang, Bingwen, & Nacy, Ayad. Nanostructured mixed metal oxides as catalysts and method of making thereof. United States.
Nikolla, Eranda, Wang, Bingwen, and Nacy, Ayad. Tue . "Nanostructured mixed metal oxides as catalysts and method of making thereof". United States. https://www.osti.gov/servlets/purl/1859989.
@article{osti_1859989,
title = {Nanostructured mixed metal oxides as catalysts and method of making thereof},
author = {Nikolla, Eranda and Wang, Bingwen and Nacy, Ayad},
abstractNote = {A method of forming a metal oxide material having a rod shape or polyhedral nanostructure includes preparing a first reverse micro-emulsion system comprising an aqueous precipitating agent dispersion and a second reverse micro-emulsion system containing an aqueous metal salt dispersion; combining the micro-emulsions together to initiate a reaction; allowing the reaction to continue to form a product mixture comprising a metal oxide gel and aqueous media; separating the metal oxide gel from the aqueous media; collecting the metal oxide gel; and calcining the metal oxide gel to form the metal oxide material. The metal oxide material corresponds to the chemical formula of La2MxNi1-xO4, Pr2-yAyNiO4, or La2-zDzNiO4, wherein M is copper, cobalt, iron, manganese, chromium, aluminum, or platinum; A is lanthanum or neodymium; D is calcium, barium or strontium; x ranges from 0 to 1; y ranges from 0 to 2; and z ranges from 0 to 0.25.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2021},
month = {10}
}

Works referenced in this record:

Preparation and electrical properties of Ca-doped La2NiO4+δ cathode materials for IT-SOFC
journal, January 2010


Enhancing Total Conductivity of La 2 NiO 4+δ Epitaxial Thin Films by Reducing Thickness
journal, June 2008


Process of forming compounds using reverse micelle or reverse microemulsion systems
patent, June 1998