Oxygen getters for anode protection in a solid-oxide fuel cell stack
Abstract
In a fuel cell assembly, nickel-based anodes are readily oxidized when exposed to oxygen as may happen through atmospheric invasion of the assembly during cool-down following shutdown of the assembly. Repeated anode oxidation and reduction can be destructive of the anodes, leading to cracking and failure. To prevent such oxygen migration, oxygen getter devices containing oxygen-gettering material such as metallic nickel are provided in the fuel passageways leading to and from the anodes. Oxidation of the oxygen-gettering material is readily reversed through reduction by fuel when the assembly is restarted.
- Inventors:
- Issue Date:
- Research Org.:
- Delphi Technologies, Inc., Troy, MI (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1531568
- Patent Number(s):
- 7435490
- Application Number:
- 11/593,672
- Assignee:
- Delphi Technologies, Inc. (Troy, MI)
- 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 Y02T - CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- DOE Contract Number:
- FC26-02NT41246
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 2006-11-07
- Country of Publication:
- United States
- Language:
- English
Citation Formats
England, Diane M., Haltiner, Jr., Karl J., Kelly, Sean M., and Faville, Michael T. Oxygen getters for anode protection in a solid-oxide fuel cell stack. United States: N. p., 2008.
Web.
England, Diane M., Haltiner, Jr., Karl J., Kelly, Sean M., & Faville, Michael T. Oxygen getters for anode protection in a solid-oxide fuel cell stack. United States.
England, Diane M., Haltiner, Jr., Karl J., Kelly, Sean M., and Faville, Michael T. Tue .
"Oxygen getters for anode protection in a solid-oxide fuel cell stack". United States. https://www.osti.gov/servlets/purl/1531568.
@article{osti_1531568,
title = {Oxygen getters for anode protection in a solid-oxide fuel cell stack},
author = {England, Diane M. and Haltiner, Jr., Karl J. and Kelly, Sean M. and Faville, Michael T.},
abstractNote = {In a fuel cell assembly, nickel-based anodes are readily oxidized when exposed to oxygen as may happen through atmospheric invasion of the assembly during cool-down following shutdown of the assembly. Repeated anode oxidation and reduction can be destructive of the anodes, leading to cracking and failure. To prevent such oxygen migration, oxygen getter devices containing oxygen-gettering material such as metallic nickel are provided in the fuel passageways leading to and from the anodes. Oxidation of the oxygen-gettering material is readily reversed through reduction by fuel when the assembly is restarted.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2008},
month = {10}
}
Works referenced in this record:
Fuel cell interconnect device
patent, August 1999
- Badwal, Sukhvinder S.; Foger, Karl; Zheng, Xiao G.
- US Patent Document 5,942,349
Works referencing / citing this record:
Fuel cell system with interconnect
patent, December 2016
- Liu, Zhien; Goettler, Richard W.
- US Patent Document 9,525,181