Integrated seal for high-temperature electrochemical device

Title: Integrated seal for high-temperature electrochemical device

Full Record
Other Related Research

Abstract

The present invention provides electrochemical device structures having integrated seals, and methods of fabricating them. According to various embodiments the structures include a thin, supported electrolyte film with the electrolyte sealed to the support. The perimeter of the support is self-sealed during fabrication. The perimeter can then be independently sealed to a manifold or other device, e.g., via an external seal. According to various embodiments, the external seal does not contact the electrolyte, thereby eliminating the restrictions on the sealing method and materials imposed by sealing against the electrolyte.

Inventors:: Tucker, Michael C; Jacobson, Craig P

Publication Date:: 2013-07-16

Research Org.:: Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1087884

Patent Number(s):: 8,486,580

Application Number:: 12/988,297

Assignee:: The Regents of the University of California (Oakland, CA)

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, and Jacobson, Craig P. Integrated seal for high-temperature electrochemical device.  United States: N. p., 2013. 
        Web.

Copy to clipboard


                    Tucker, Michael C, & Jacobson, Craig P. Integrated seal for high-temperature electrochemical device.  United States.

Copy to clipboard


                    Tucker, Michael C, and Jacobson, Craig P. Tue .  
        "Integrated seal for high-temperature electrochemical device".  United States.  https://www.osti.gov/servlets/purl/1087884.

Copy to clipboard


                    
@article{osti_1087884,

  title        = {Integrated seal for high-temperature electrochemical device},

  author       = {Tucker, Michael C and Jacobson, Craig P},

  abstractNote = {The present invention provides electrochemical device structures having integrated seals, and methods of fabricating them. According to various embodiments the structures include a thin, supported electrolyte film with the electrolyte sealed to the support. The perimeter of the support is self-sealed during fabrication. The perimeter can then be independently sealed to a manifold or other device, e.g., via an external seal. According to various embodiments, the external seal does not contact the electrolyte, thereby eliminating the restrictions on the sealing method and materials imposed by sealing against the electrolyte.},

  doi          = {},

  url          = {https://www.osti.gov/biblio/1087884},
  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {2013},

  month        = {7}

}

Copy to clipboard

Patent:

View Patent

Save / Share:

Export Metadata

Save to My Library

Similar records in OSTI.GOV collections:

Sealed joint structure for electrochemical device

Patent Tucker, Michael C ; Jacobson, Craig P ; De Jonghe, Lutgard C ; ...

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 porousmore »« less
Full Text Available
Electrolyte matrix in a molten carbonate fuel cell stack

Patent Reiser, C A ; Maricle, D L

A fuel cell stack is disclosed with modified electrolyte matrices for limiting the electrolytic pumping and electrolyte migration along the stack external surfaces. Each of the matrices includes marginal portions at the stack face of substantially greater pore size than that of the central body of the matrix. Consequently, these marginal portions have insufficient electrolyte fill to support pumping or wicking of electrolyte from the center of the stack to the face surfaces in contact with the vertical seals. Various configurations of the marginal portions include a complete perimeter, opposite edge portions corresponding to the air plenums and tab sizemore »« less
Full Text Available
Electrolyte matrix in a molten carbonate fuel cell stack

Patent Reiser, C A ; Maricle, D L

A fuel cell stack is disclosed with modified electrolyte matrices for limiting the electrolytic pumping and electrolyte migration along the stack external surfaces. Each of the matrices includes marginal portions at the stack face of substantially greater pore size than that of the central body of the matrix. Consequently, these marginal portions have insufficient electrolyte fill to support pumping or wicking of electrolyte from the center of the stack of the face surfaces in contact with the vertical seals. Various configurations of the marginal portions include a complete perimeter, opposite edge portions corresponding to the air plenums and tab sizemore »« less
Electrolyte matrix in a molten carbonate fuel cell stack

Patent Reiser, Carl A ; Maricle, Donald L

A fuel cell stack is disclosed with modified electrolyte matrices for limiting the electrolytic pumping and electrolyte migration along the stack external surfaces. Each of the matrices includes marginal portions at the stack face of substantially greater pore size than that of the central body of the matrix. Consequently, these marginal portions have insufficient electrolyte fill to support pumping or wicking of electrolyte from the center of the stack of the face surfaces in contact with the vertical seals. Various configurations of the marginal portions include a complete perimeter, opposite edge portions corresponding to the air plenums and tab sizemore »« less
Full Text Available
Structures And Fabrication Techniques For Solid State Electrochemical Devices

Patent Visco, Steven J ; Jacobson, Craig P ; DeJonghe, Lutgard C

Provided are low-cost, mechanically strong, highly electronically conductive porous substrates and associated structures for solid-state electrochemical devices, techniques for forming these structures, and devices incorporating the structures. The invention provides solid state electrochemical device substrates of novel composition and techniques for forming thin electrode/membrane/electrolyte coatings on the novel or more conventional substrates. In particular, in one embodiment the invention provides techniques for co-firing of device substrate (often an electrode) with an electrolyte or membrane layer to form densified electrolyte/membrane films 5 to 20 microns thick. In another embodiment, densified electrolyte/membrane films 5 to 20 microns thick may be formed onmore »« less
Full Text Available

Similar Records