Dynamic-temperature operation of metal-supported solid oxide fuel cells

Tucker, Michael C.

doi:10.1016/j.jpowsour.2018.05.094

Title: Dynamic-temperature operation of metal-supported solid oxide fuel cells

Journal Article · Fri Jun 15 00:00:00 EDT 2018 · Journal of Power Sources

DOI:https://doi.org/10.1016/j.jpowsour.2018.05.094· OSTI ID:1460345

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

A dynamic-temperature operation strategy is proposed for SOFC systems, in which the cell temperature varies rapidly to match the SOFC stack power output to a dynamic load requirement. It is anticipated that this operation strategy may have benefits for system efficiency, size, and cost for applications with dynamic power load. Metal-supported SOFCs (MS-SOFCs) are operated continuously at 0.7 V while the temperature is varied rapidly between 675 and 800 °C or 670 and 720 °C. During the initial thermal excursion, the current density increases from 0.82 to 1.95 A cm^-2 in 6.6 min for 675–800 °C, and from 1.0 to 1.63 A cm^-2 in 5.4 min for 670–720 °C. Cells are subjected to continuous dynamic temperature operation for more than 100 cycles.

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Research Organization:: Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)

Sponsoring Organization:: USDOE Advanced Research Projects Agency - Energy (ARPA-E)

Grant/Contract Number:: AC02-05CH11231; 13/CJ000/04/03

OSTI ID:: 1460345

Alternate ID(s):: OSTI ID: 1495300; OSTI ID: 1572092

Journal Information:: Journal of Power Sources, Vol. 395, Issue C; Related Information: © 2018 Elsevier B.V.; ISSN 0378-7753

Publisher:: ElsevierCopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 21 works

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References (14)

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Cited By (1)

Metal‐Supported Solid Oxide Electrolysis Cell with Significantly Enhanced Catalysis Wang, Ruofan; Dogdibegovic, Emir; Lau, Grace Y. Energy Technology, Vol. 7, Issue 5 https://doi.org/10.1002/ente.201801154	journal	April 2019