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Development of methanol-fueled low-temperature solid oxide fuel cells
KTH, School of Industrial Engineering and Management (ITM), Energy Technology, Heat and Power Technology.
KTH, School of Industrial Engineering and Management (ITM), Energy Technology, Heat and Power Technology.
KTH, School of Industrial Engineering and Management (ITM), Energy Technology, Heat and Power Technology.
2011 (English)In: International journal of energy research (Print), ISSN 0363-907X, E-ISSN 1099-114X, Vol. 35, no 8, 690-696 p.Article in journal (Refereed) Published
Abstract [en]

Low-temperature solid oxide fuel cell (SOFC, 300-600 degrees C) technology fueled by methanol possessing significant importance and application in polygenerations has been developed. Thermodynamic analysis of methanol gas-phase compositions and carbon formation indicates that direct operation on methanol between 450 and 600 degrees C may result in significant carbon deposition. A water steam/methanol ratio of 1/1 can completely suppress carbon formation in the same time enrich H(2) production composition. Fuel cells were fabricated using ceria-carbonate composite electrolytes and examined at 450-600 degrees C. The maximum power density of 603 and 431 mW cm(-2) was achieved at 600 and 500 degrees C, respectively, using water steam/methanol with the ratio of 1/1 and ambient air as fuel and oxidant. These results provide great potential for development of the direct methanol low-temperature SOFC for polygenerations.

Place, publisher, year, edition, pages
2011. Vol. 35, no 8, 690-696 p.
Keyword [en]
solid oxide fuel cells (SOFCs), methanol, polygeneration
National Category
Energy Engineering
Identifiers
URN: urn:nbn:se:kth:diva-39071DOI: 10.1002/er.1718ISI: 000291615100003Scopus ID: 2-s2.0-79957912922OAI: oai:DiVA.org:kth-39071DiVA: diva2:439436
Available from: 2011-09-07 Created: 2011-09-07 Last updated: 2017-12-08Bibliographically approved

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