Biofuel Cell with Enzyme Modified Electrodes to Produce Electricity

This entry was posted by Monday, 1 March, 2010
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French scientists have found a new energy source by extracting electricity from Mother Nature’s original power plants — plants.

The green chlorophyll in plants helps them convert carbon dioxide and water into glucose and oxygen in the presence of sunlight, using a complex series of chemical reactions that humans have never been able to replicate. But scientists at France’s Centre de Recherche Paul Pascal have created a biofuel cell, made of two enzyme-modified electrodes, that can generate electricity using the glucose and oxygen produced by plants during photosynthesis.

Inserted into a cactus leaf, the cell generated a charge of 9 watts per square centimeter, but the output is relative to light intensity, which means that shining a brighter light on the cactus produces more power. The researchers say this technology could one day be used as an environmentally friendly way to convert solar energy into electricity without the need for photovoltaic panels.

Source

Biofuel

One Response to “Biofuel Cell with Enzyme Modified Electrodes to Produce Electricity”

  1. Mckenzee Blake

    The researchers showed that a biofuel cell inserted in a cactus leaf could generate power of 9 μW per cm2.

    Because this yield was proportional to light intensity, stronger illumination accelerated the production of glucose and O2 (photosynthesis), so more fuel was available to operate the cell.

    In the future, this system could ultimately form the basis for a new strategy for the environmentally-friendly and renewable transformation of solar energy into electrical energy !


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