
Gas diffusion electrodes (GDE) are electrodes with a conjunction of a solid, liquid and gaseous interface, and an electrical conducting catalyst supporting an electrochemical reaction between the liquid and the gaseous phase. ==Principle== GDEs are used in fuel cells, where oxygen and hydrogen react at the gas diffusion electrodes, to form water, ...
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http://en.wikipedia.org/wiki/Gas_diffusion_electrode

Gas diffusion electrodes are electrodes with a conjunction of a solid, liquid and gaseous interface, and an electrical conducting catalyst supporting an electrochemical reaction between the liquid and the gaseous phase.
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http://en.wikipedia.org/wiki/Glossary_of_fuel_cell_terms

(from the article `fuel cell`) ...Francis Thomas Bacon and his coworkers at the University of Cambridge worked on creating practical hydrogen-oxygen fuel cells with an alkaline ... Gas-sensing electrodes are designed to monitor dissolved gases. Typically they consist of an internal ion-selective electrode of one of the designs ... [2...
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http://www.britannica.com/eb/a-z/g/11
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