Method of electrode fabrication for solid oxide electrochemical cells
Abstract
A process for fabricating cermet electrodes for solid oxide electrochemical cells by sintering is disclosed. First, a porous metal electrode is fabricated on a solid oxide cell, such as a fuel cell by, for example, sintering, and is then infiltrated with a high volume fraction stabilized zirconia suspension. A second sintering step is used to sinter the infiltrated zirconia to a high density in order to more securely attach the electrode to the solid oxide electrolyte of the cell. High performance fuel electrodes can be obtained with this process. Further electrode performance enhancement may be achieved if stabilized zirconia doped with cerium oxide, chromium oxide, titanium oxide, and/or praseodymium oxide for electronic conduction is used.
- Inventors:
-
- Murrysville, PA
- Issue Date:
- Research Org.:
- Westinghouse Electric Corp., Pittsburgh, PA (United States)
- OSTI Identifier:
- 867612
- Patent Number(s):
- 4971830
- Assignee:
- Westinghouse Electric Corp. (Pittsburgh, PA)
- Patent Classifications (CPCs):
-
C - CHEMISTRY C04 - CEMENTS C04B - LIME, MAGNESIA
G - PHYSICS G01 - MEASURING G01N - INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- DOE Contract Number:
- AC02-80ET17089
- Resource Type:
- Patent
- Country of Publication:
- United States
- Language:
- English
- Subject:
- method; electrode; fabrication; solid; oxide; electrochemical; cells; process; fabricating; cermet; electrodes; sintering; disclosed; porous; metal; fabricated; cell; fuel; example; infiltrated; volume; fraction; stabilized; zirconia; suspension; step; sinter; density; securely; attach; electrolyte; performance; obtained; enhancement; achieved; doped; cerium; chromium; titanium; praseodymium; electronic; conduction; volume fraction; cermet electrodes; cermet electrode; fuel cell; cerium oxide; oxide electrochemical; porous metal; metal electrode; electrochemical cells; electrochemical cell; solid oxide; oxide electrolyte; fuel electrode; titanium oxide; stabilized zirconia; chromium oxide; praseodymium oxide; performance fuel; performance enhancement; fuel electrodes; electrode fabrication; securely attach; /427/
Citation Formats
Jensen, Russell R. Method of electrode fabrication for solid oxide electrochemical cells. United States: N. p., 1990.
Web.
Jensen, Russell R. Method of electrode fabrication for solid oxide electrochemical cells. United States.
Jensen, Russell R. Mon .
"Method of electrode fabrication for solid oxide electrochemical cells". United States. https://www.osti.gov/servlets/purl/867612.
@article{osti_867612,
title = {Method of electrode fabrication for solid oxide electrochemical cells},
author = {Jensen, Russell R},
abstractNote = {A process for fabricating cermet electrodes for solid oxide electrochemical cells by sintering is disclosed. First, a porous metal electrode is fabricated on a solid oxide cell, such as a fuel cell by, for example, sintering, and is then infiltrated with a high volume fraction stabilized zirconia suspension. A second sintering step is used to sinter the infiltrated zirconia to a high density in order to more securely attach the electrode to the solid oxide electrolyte of the cell. High performance fuel electrodes can be obtained with this process. Further electrode performance enhancement may be achieved if stabilized zirconia doped with cerium oxide, chromium oxide, titanium oxide, and/or praseodymium oxide for electronic conduction is used.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Mon Jan 01 00:00:00 EST 1990},
month = {Mon Jan 01 00:00:00 EST 1990}
}