Водородът – най-екологично чистото гориво
Hydrogen – Most Environmentally Friendly Fuel

Summary/Abstract: Hydrogen can be obtained from the electrolysis of water by various renewable energy sources and stored until needed. Obtained from the most common chemical compound, hydrogen is the energy source with the potential to reduce the economy’s dependence on oil. It is the environmentally friendly cleanest fuel because its only oxidation product is water, ie. no harmful products are formed. In the present work is considered the principle of action of so-called fuel cells in which hydrogen is oxidized by oxygen from the air. These are electrochemical cells in which chemical energy is converted into electrical energy. According to the principle of operation the fuel cells are three types: with proton-conducting electrolyte; with electron-conducting electrolyte and with dual membrane. Fuel cells are used in buildings for electricity and heating, as well as for transport. Vehicles with fuel cells are classified as zero emission transportation. The inclusion of the information in the in the course content will enrich students’ knowledge of current environmental trends in greenhouse gas reduction.

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