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Title: Advanced materials and design for low temperature SOFCs

Abstract

Embodiments of the invention are directed to SOFC with a multilayer structure comprising a porous ceramic cathode, optionally a cathodic triple phase boundary layer, a bilayer electrolyte comprising a cerium oxide comprising layer and a bismuth oxide comprising layer, an anion functional layer, and a porous ceramic anode with electrical interconnects, wherein the SOFC displays a very high power density at temperatures below 700.degree. C. with hydrogen or hydrocarbon fuels. The low temperature conversion of chemical energy to electrical energy allows the fabrication of the fuel cells using stainless steel or other metal alloys rather than ceramic conductive oxides as the interconnects.

Inventors:
; ; ; ;
Issue Date:
Research Org.:
Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1253336
Patent Number(s):
9343746
Application Number:
13/124,164
Assignee:
UNIVERSITY OF FLORIDA RESEARCH FOUNDATION, INC. (Gainesville, FL)
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
Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02E - REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
DOE Contract Number:  
AC05-76RL01830
Resource Type:
Patent
Resource Relation:
Patent File Date: 2009 Oct 14
Country of Publication:
United States
Language:
English
Subject:
30 DIRECT ENERGY CONVERSION; 36 MATERIALS SCIENCE

Citation Formats

Wachsman, Eric D., Yoon, Heesung, Lee, Kang Taek, Camaratta, Matthew, and Ahn, Jin Soo. Advanced materials and design for low temperature SOFCs. United States: N. p., 2016. Web.
Wachsman, Eric D., Yoon, Heesung, Lee, Kang Taek, Camaratta, Matthew, & Ahn, Jin Soo. Advanced materials and design for low temperature SOFCs. United States.
Wachsman, Eric D., Yoon, Heesung, Lee, Kang Taek, Camaratta, Matthew, and Ahn, Jin Soo. Tue . "Advanced materials and design for low temperature SOFCs". United States. https://www.osti.gov/servlets/purl/1253336.
@article{osti_1253336,
title = {Advanced materials and design for low temperature SOFCs},
author = {Wachsman, Eric D. and Yoon, Heesung and Lee, Kang Taek and Camaratta, Matthew and Ahn, Jin Soo},
abstractNote = {Embodiments of the invention are directed to SOFC with a multilayer structure comprising a porous ceramic cathode, optionally a cathodic triple phase boundary layer, a bilayer electrolyte comprising a cerium oxide comprising layer and a bismuth oxide comprising layer, an anion functional layer, and a porous ceramic anode with electrical interconnects, wherein the SOFC displays a very high power density at temperatures below 700.degree. C. with hydrogen or hydrocarbon fuels. The low temperature conversion of chemical energy to electrical energy allows the fabrication of the fuel cells using stainless steel or other metal alloys rather than ceramic conductive oxides as the interconnects.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue May 17 00:00:00 EDT 2016},
month = {Tue May 17 00:00:00 EDT 2016}
}

Works referenced in this record:

Anode-Supported SOFCs with Y2O3-Doped Bi2O3 / Gd2O3-Doped CeO2 Composite Electrolyte Film
journal, February 2006


Detailed study on the role of oxygen vacancies in structural, magnetic and transport behavior of magnetic insulator: Co–CeO 2
journal, November 2009


Integrated SOFC
patent, May 2003


Solid Oxide Fuel Cell Having Internal Active Layers
patent-application, October 2007