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Title: Sealed joint structure for electrochemical device

Abstract

Several members make up a joint in a high-temperature electrochemical device, wherein the various members perform different functions. The joint is useful for joining multiple cells (generally tubular modules) of an electrochemical device to produce a multi-cell segment-in-series stack for a solid oxide fuel cell, for instance. The joint includes sections that bond the joining members to each other; one or more seal sections that provide gas-tightness, and sections providing electrical connection and/or electrical insulation between the various joining members. A suitable joint configuration for an electrochemical device has a metal joint housing, a first porous electrode, a second porous electrode, separated from the first porous electrode by a solid electrolyte, and an insulating member disposed between the metal joint housing and the electrolyte and second electrode. One or more brazes structurally and electrically connects the first electrode to the metal joint housing and forms a gas tight seal between the first electrode and the second electrode.

Inventors:
; ; ;
Issue Date:
Research Org.:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1083985
Patent Number(s):
8445159
Application Number:
11/791,270
Assignee:
The Regents of The University of California (Oakland, CA)
Patent Classifications (CPCs):
B - PERFORMING OPERATIONS B32 - LAYERED PRODUCTS B32B - LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
C - CHEMISTRY C04 - CEMENTS C04B - LIME, MAGNESIA
DOE Contract Number:  
AC02-05CH11231
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
30 DIRECT ENERGY CONVERSION

Citation Formats

Tucker, Michael C, Jacobson, Craig P, De Jonghe, Lutgard C, and Visco, Steven J. Sealed joint structure for electrochemical device. United States: N. p., 2013. Web.
Tucker, Michael C, Jacobson, Craig P, De Jonghe, Lutgard C, & Visco, Steven J. Sealed joint structure for electrochemical device. United States.
Tucker, Michael C, Jacobson, Craig P, De Jonghe, Lutgard C, and Visco, Steven J. Tue . "Sealed joint structure for electrochemical device". United States. https://www.osti.gov/servlets/purl/1083985.
@article{osti_1083985,
title = {Sealed joint structure for electrochemical device},
author = {Tucker, Michael C and Jacobson, Craig P and De Jonghe, Lutgard C and Visco, Steven J},
abstractNote = {Several members make up a joint in a high-temperature electrochemical device, wherein the various members perform different functions. The joint is useful for joining multiple cells (generally tubular modules) of an electrochemical device to produce a multi-cell segment-in-series stack for a solid oxide fuel cell, for instance. The joint includes sections that bond the joining members to each other; one or more seal sections that provide gas-tightness, and sections providing electrical connection and/or electrical insulation between the various joining members. A suitable joint configuration for an electrochemical device has a metal joint housing, a first porous electrode, a second porous electrode, separated from the first porous electrode by a solid electrolyte, and an insulating member disposed between the metal joint housing and the electrolyte and second electrode. One or more brazes structurally and electrically connects the first electrode to the metal joint housing and forms a gas tight seal between the first electrode and the second electrode.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2013},
month = {5}
}

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