Originally published February 14 2005
Heating up hydrogen may make for more effective fuel cells
by Mike Adams, the Health Ranger, NaturalNews Editor
A Dutch researcher has determined that fuel cells work much more effectively when heated up from the normal 80 degrees Celsius to 200-300 degrees Celsius. By heating the cells, hydrogen is produced much faster, the fuel cell requires less space, and it is much more effective than the proposed idea of extracting hydrogen from magnesium powder.
Hydrogen could be more effectively stored by increasing the operating temperature of the fuel cell, according to research by a Dutch PhD student.
Currently large high-pressure cylinders are used to store hydrogen for buses, but these are too large to be feasible for use in cars, and researchers are looking for a low-pressure technique.
Among the ideas is storing hydrogen as a hydride is magnesium powder, but extracting the gas from the powder usually requires too much energy to make the approach economical.
However, Gijs Schimmel found that raising the temperature of the cell from a typical 80�C to 200-300�C enabled the gas to be extracted more efficiently.
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