A low-temperature co-fired ceramic micro-reactor system for high-efficiency on-site hydrogen production

A ceramic-based, meso-scale fuel processor for on-board production of syngas fuel was demonstrated for applications in micro-scale solid-oxide fuel cells ( mu -SOFCs). The processor had a total dimension of 12 mm x 40 mm x 2 mm, the gas reforming micro reactor occupying the hot end of a cantilever h...

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Bibliographic Details
Published in:Journal of power sources 2015, Vol.273, p.1202-1217
Main Authors: BO JIANG, MAEDER, Thomas, SANTIS-ALVAREZ, Alejandro J, POULIKAKOS, Dimos, MURALT, Paul
Format: Article
Language:English
Subjects:
Alternative fuels. Production and utilization
Applied sciences
Catalysts
Ceramics
Devices
Direct energy conversion and energy accumulation
Electrical engineering. Electrical power engineering
Electrical power engineering
Electrochemical conversion: primary and secondary batteries, fuel cells
Energy
Energy. Thermal use of fuels
Equipments for energy generation and conversion: thermal, electrical, mechanical energy, etc
Exact sciences and technology
Fluidics
Fuel cells
Fuels
Heating
Hydrogen
Hydrogen production
Microprocessors
Reactors
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Summary:A ceramic-based, meso-scale fuel processor for on-board production of syngas fuel was demonstrated for applications in micro-scale solid-oxide fuel cells ( mu -SOFCs). The processor had a total dimension of 12 mm x 40 mm x 2 mm, the gas reforming micro reactor occupying the hot end of a cantilever had outer dimensions of 12 x 18 mm. The device was fabricated through a novel progressive lamination process in low-temperature co-fired ceramic (LTCC) technology. Both, heating function and desired fluidic structures were integrated monolithically into the processor. Using catalytic partial oxidation of a hydrocarbon fuel (propane) as a reaction model, a thermally self-sustaining hydrogen production was achieved. The output flow is sufficiently high to drive an optimized single membrane mu SOFC cell of about the same footprint as the micro reactor. Microsystem design, fabrication, catalyst integration as well as the chemical characterization are discussed in detail.
ISSN:0378-7753
1873-2755
DOI:10.1016/j.jpowsour.2014.09.084