Compact ATR-WGS-Integrated Bioethanol Fuel Processor for Portable and On-board Fuel Cell Applications

Title
Compact ATR-WGS-Integrated Bioethanol Fuel Processor for Portable and On-board Fuel Cell Applications
Authors
남석우한종희김형준김용민윤창원정향수손현태조영석이유진곽연수
Keywords
bioethanol; hydrogen production; high-temperature PEMFC; auto-thermal reforming; water-gas-shift; structured catalyst
Issue Date
2020-09
Publisher
ACS sustainable chemistry & engineering
Citation
VOL 8, NO 41-15619
Abstract
A compact bioethanol fuel processor with an all-in-one design of the auto-thermal reforming (ATR) and water-gas-shift (WGS) reactors was developed. The fuel processor has unique features, such as the annular-type reactors which are constructed by stacking disk-shaped Rh/Gd-doped-ceria-coated structured catalysts and insertion of an internal heat exchanger between the two reactors. This integration renders two distinctive temperature zones for the ATR and WGS reactions in the fuel processor with a total volume of 135 cm3. A hydrogen production rate of 30 sccm H2/mLreactor, equivalent to ca. 2.3 kWe/Lreactor, and a CO level of 2.4?2.7 mol % (dry basis) were achieved under continuous long-term operation for 700 h. The as-produced gas is ready-to-use in high-temperature polymer electrolyte membrane fuel cells, and this combination can be a competitive solution for hydrogen mobility requiring high energy storage density.
URI
http://pubs.kist.re.kr/handle/201004/71979
ISSN
2168-0485
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KIST Publication > Article
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