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Fuel cell research

Fuel cell research

T100/0087

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Credit

PASQUALE SORRENTINO / SCIENCE PHOTO LIBRARY PASQUALE SORRENTINO / SCIENCE PHOTO LIBRARY

Caption

Fuel cell research. Different catalysts used to produce hydrogen gas for fuel cells. In a fuel cell, hydrogen is combined with oxygen to produce water and electricity. One source of hydrogen is to produce it from hydrocarbons, such as methane gas, in what is called a steam-reforming reaction, followed by the water gas shift (WGS) reaction. The WGS reaction removes unwanted pollutants left after the steam-reforming stage, but requires catalysts unsuitable for commercial fuel cells. Finding a catalyst that can be used in commercial fuel cells will help fuel cell technologies become more widespread. Because fuel cells produce water vapour, they are less polluting than fossil fuels.

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