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News
Fuel Cells News from the  Fuel Cells Bulletin (October 2004):
Medis, General Dynamics developing fuel cell for tablet computers
New York-based Medis Technologies has received an order from General Dynamics C4 Systems in Arizona to deliver five prototype fuel cell power packs and associated cartridges to power 10 prototype Itronix GoBook(tm) tablet computers. The contract is in support of the US Air Force's $1.3m Wearable Computer Power Program, which aims to combine off-the-shelf computer equipment with privately developed fuel cell technology. Medis Technologies' direct liquid fuel cell system has been previously demonstrated to operate portable electronic devices. The system will be field-tested and evaluated by the Air Force Research Laboratory at Wright Patterson Air Force Base in Ohio.
Read this news item in the October 2004 issue of Fuel Cells Bulletin on ScienceDirect
Contact: Medis Technologies Ltd, New York, NY, USA. Tel: +1 212 935 8484, Web:
www.medistechnologies.com
Or contact: More Energy Ltd, Yehud, Israel. Tel: +972 3 6322 134, Web:
www.medisel.com
Or contact: General Dynamics C4 Systems, Scottsdale, Arizona, USA. Tel: 1 877 449 0600 (tollfree in US/Canada) or +1 877 466 9467 (international tollfree), Web:
www.gdc4s.com
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ReliOn power during Hurricane Frances
A second ReliOn fuel cell backup power system installed at a telecommunications site has recently survived hurricane conditions, providing electric power for 22 hours when the primary power supply was knocked out during the most extreme conditions of Hurricane Frances. The company's high-reliability, 1 kWe PEM fuel cell power system is installed at a telecoms site which was in the central path of the storm. A year ago, another Independence 1000 fuel cell system provided backup power operations to a state government microwave radio tower site in Elk Neck State Park in eastern Maryland, during Hurricane Isabel.
Read this news item in the October 2004 issue of Fuel Cells Bulletin on ScienceDirect
Contact: ReliOn Inc, Spokane, Washington, USA. Tel: +1 509 228 6500, Web:
www.relion-inc.com
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SOFC seals research at University of Missouri-Rolla
Researchers at the University of Missouri-Rolla in the US are developing a stronger solid oxide fuel cell sealant from glass-ceramic materials. The UMR team, led by professor of ceramic engineering Richard Brow, recently received $279 000 from the Department of Energy as part of a $4.2 million national effort to commercialize fuel cells. "The advantage to using a glass-ceramic - instead of just a ceramic - is that you can process the glass like a liquid and then convert it to a ceramic, which is stronger," explains Brow. "The quality of seals used in SOFCs are crucial to its overall performance. The seals separate the oxygen stream from the fuel stream so that a reaction doesn't occur in an uncontrolled fashion."
Read this news item in the October 2004 issue of Fuel Cells Bulletin on ScienceDirect
Contact: Professor Richard K. Brow, Materials Research Center and Department of Ceramic Engineering, University of Missouri-Rolla, Rolla, Missouri, USA. Tel: +1 573 341 6812, Email: brow@umr.edu,
web.umr.edu/~mrc
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Production of hydrogen from sunflower oil
Researchers at the University of Leeds in the UK have found a promising method for producing hydrogen from sunflower oil. The team, led by energy engineer Dr Valerie Dupont, has developed an experimental hydrogen generator that uses only sunflower oil, air and water vapor along with two highly-specialized catalysts - one nickel-based, the other a carbon-based dolomitic adsorbent - that are alternately used to store and then release oxygen or CO2 while producing hydrogen intermittently. The development was described at the recent 228th national meeting of the American Chemical Society in Philadelphia.
Read this news item in the October 2004 issue of Fuel Cells Bulletin on ScienceDirect
Contact: Dr Valerie Dupont, Energy & Resources Research Institute, School of Process, Environmental & Materials Engineering, University of Leeds, Leeds, UK. Tel: +44 113 343 2503, Email: v.dupont@leeds.ac.uk, Web:
www.leeds.ac.uk/speme/erri
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Feature article in the October 2004 issue:
Nanostructured and functionally graded cathodes for intermediate-temperature SOFCs
By Ying Liu, Charles Compson and Professor Meilin Liu - School of Materials Science & Engineering, Georgia Institute of Technology, Atlanta, Georgia, USA
Nanostructured composite cathodes graded in both composition and microstructure have been successfully fabricated for the first time using a combustion chemical vapor deposition (CCVD) process. The functionally graded structures of these cathodes dramatically increase the rates of electrode reactions, enhance the transport of oxygen molecules to the active reaction sites, and significantly improve the compatibility between the electrodes and other cell components. As a result, extremely low interfacial polarization resistances and high power densities have been achieved at operating temperatures of 600-850°C, suggesting that the CCVD process has great potential for cost-effective fabrication of nanostructured fuel cell electrodes.
Read this feature article in the October 2004 issue of Fuel Cells Bulletin on ScienceDirect
For more information, contact: Professor Meilin Liu, Co-Director - Center for Innovative Fuel Cell & Battery Technologies, School of Materials Science & Engineering, Georgia Institute of Technology, Atlanta, GA 30332-0245, USA. Tel: +1 404 894 6114, Fax: +1 404 894 9140, Email: meilin.liu@mse.gatech.edu, Web:
www.fcbt.gatech.edu
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Recent feature articles in the Fuel Cells Bulletin:
Effect of pretreatment methods on performance of passive DMFCs
By Beck-Kyun Kho, In-Hwan Oh, Seong-Ahn Hong and Heung Yong Ha - Fuel Cell Research Center, Korea Institute of Science & Technology (KIST), South Korea
Fuel Cells Bulletin, September 2004
New proton-conducting porous silicon membrane for small fuel cells
By Tristan Pichonat, Bernard Gauthier-Manuel and Daniel Hauden - Laboratoire de Physique et Métrologie des Oscillateurs, Besançon, France
Fuel Cells Bulletin, August 2004
Poised for growth at Fuel Cell Technologies
By Dr John H. Stannard - Fuel Cell Technologies Ltd, Kingston, Ontario, Canada
Fuel Cells Bulletin, July 2004
Fuel cell research, development and demonstration activities in Singapore
By Hiang-Kwee Ho, Siew-Hwa Chan and San-Ping Jiang - Fuel Cell Strategic Research Programme, Nanyang Technological University, Singapore
Fuel Cells Bulletin, June 2004
Alternative planar SOFC sealing concepts
By K. Scott Weil, Christopher A. Coyle, John S. Hardy, Jin Y. Kim and Guan-Guang Xia - Pacific Northwest National Laboratory, Richland, WA, USA
Fuel Cells Bulletin, May 2004
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