A fuel cell is a cell in which the generation of an electrical voltage is done by the oxidation on one electrode of a reducing fuel (for example hydrogen) coupled with the reduction on the other electrode of a oxidant, such as air oxygen.
The Nord Stream 2’s project, is a gas pipeline project designed to transport Russian gas directly to Western Europe. This pipeline will be 1230km long under the Baltic sea from the Ust-Luga area of the Leningrad Region (Russia) to Greifswald (Germany) and will pass through the territorial waters of Russia, Finland, Sweden, Denmark, Germany. The construction of the line is expected to be completed by the end of 2019 and will ensure the delivery of gas to European consumers for more than 50 years.
The liquefied natural gas, Artic 2, is being developed in the Gydan Peninsula (Siberia). This project is developed by the company Novatek (60%) in joint venture with the Ekropromstroy (40%). The total investment is estimated at $25.5bn.