Compact Fuel Processor by Employing Monolithic Catalyst for 1 kW Class Residential Polymer Electrolyte Fuel Cells

A compact fuel processor for 1 kW class PEFCs was designed with dramatically reduced volume and catalyst amount by employing a monolithic catalyst compared with those for existing conventional ones. Only 0.7 g of precious metal was used for all catalysts. A high thermal efficiency, 82.3% HHV, was ac...

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Bibliographic Details
Published in:Journal of the Japan Petroleum Institute 2011, Vol.54(1), pp.52-55
Main Authors: Komori, Shingo, Kimura, Masae, Watanabe, Keita, Takazoe, Toshihiko, Naoi, Tokio, Miyao, Toshihiro, Higashiyama, Kazutoshi, Yamashita, Hisao, Watanabe, Masahiro
Format: Article
Language:English
Subjects:
Carbon dioxide
Carbon monoxide
Catalysts
Fuel processor
Fuels
Hydrogen
Low pressure
Microprocessors
Monolithic catalyst
Natural gas
Polymer electrolyte fuel cell
Residential system
Steam reforming
Thermal efficiency
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Summary:A compact fuel processor for 1 kW class PEFCs was designed with dramatically reduced volume and catalyst amount by employing a monolithic catalyst compared with those for existing conventional ones. Only 0.7 g of precious metal was used for all catalysts. A high thermal efficiency, 82.3% HHV, was achieved at 100% load, with a low pressure drop, 3.6 kPa. The outlet gas, with a composition of 75.0 vol% H2, 19.2 vol% CO2, 2.2 vol% CH4, and 20 ppm CO, was obtained under normal conditions.
ISSN:1346-8804
1349-273X
1349-273X
DOI:10.1627/jpi.54.52