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Title: Hybrid interconnect for a solid-oxide fuel cell stack

Abstract

An electrical interconnect for a fuel cell assembly comprising a peripheral frame formed of one or more materials having a coefficient of thermal expansion similar to that of adjacent elements to which the interconnect must be bonded and a central portion formed of a corrosion-resistant material for conducting electric current between adjacent fuel cells. Preferably, the central portion is attached to the peripheral frame via a brazed corrugated lap joint for relieving thermal expansion differences between the frame and the central portion. Preferably, the joint includes an interlayer of a ductile material, for example, a nickel, copper, silver or gold layer, which helps to relieve thermal stress between the frame and the central portion.

Inventors:
; ; ;
Issue Date:
Research Org.:
Delphi Technologies, Inc., Troy, MI (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1531604
Patent Number(s):
7,601,450
Application Number:
11/087,904
Assignee:
Delphi Technologies, Inc. (Troy, MI)
DOE Contract Number:  
FC26-02NT41246
Resource Type:
Patent
Resource Relation:
Patent File Date: 2005-03-23
Country of Publication:
United States
Language:
English
Subject:
30 DIRECT ENERGY CONVERSION

Citation Formats

England, Diane M., Wilson, Lane, Mukerjee, Subhasish, and Vavonese, Catherine. Hybrid interconnect for a solid-oxide fuel cell stack. United States: N. p., 2009. Web.
England, Diane M., Wilson, Lane, Mukerjee, Subhasish, & Vavonese, Catherine. Hybrid interconnect for a solid-oxide fuel cell stack. United States.
England, Diane M., Wilson, Lane, Mukerjee, Subhasish, and Vavonese, Catherine. Tue . "Hybrid interconnect for a solid-oxide fuel cell stack". United States. https://www.osti.gov/servlets/purl/1531604.
@article{osti_1531604,
title = {Hybrid interconnect for a solid-oxide fuel cell stack},
author = {England, Diane M. and Wilson, Lane and Mukerjee, Subhasish and Vavonese, Catherine},
abstractNote = {An electrical interconnect for a fuel cell assembly comprising a peripheral frame formed of one or more materials having a coefficient of thermal expansion similar to that of adjacent elements to which the interconnect must be bonded and a central portion formed of a corrosion-resistant material for conducting electric current between adjacent fuel cells. Preferably, the central portion is attached to the peripheral frame via a brazed corrugated lap joint for relieving thermal expansion differences between the frame and the central portion. Preferably, the joint includes an interlayer of a ductile material, for example, a nickel, copper, silver or gold layer, which helps to relieve thermal stress between the frame and the central portion.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2009},
month = {10}
}

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Works referenced in this record:

Fuel cell with metal screen flow-field
patent, March 2001