FUEL CELL :

Fuel cells are used for transportation, commercial, industrial and residential primary and backup power generation. Fuel cells are very useful as power sources in remote locations, such as spacecraft, water craft, remote weather stations, large parks, communications centers, rural locations including research stations, and in certain military applications and vehicles. A fuel cell system running on hydrogen can be compact and lightweight, and have no major moving parts. Because fuel cells have no moving parts and do not involve combustion, in ideal conditions they can achieve up to 99.9999% reliability.This equates to less than one minute of downtime in a six-year period. There are many different types of stationary & non stationary fuel cells so efficiencies vary, but most are between 40% and 60% energy efficient. However, when the fuel cell’s waste heat is used to heat a building in a cogeneration system this efficiency can increase to 85%. This is significantly more efficient than traditional coal power plants, which are only about one third energy efficient. Assuming production at scale, fuel cells could save 20–40% on energy costs when used in cogeneration systems. Fuel cells are also much cleaner than traditional power generation; a fuel cell power plant using natural gas as a hydrogen source would create less than one ounce of pollution (other than CO2) for every 1,000 kW•h produced, compared to 25 pounds of pollutants generated by conventional combustion systems. Fuel Cells also produce 97% less nitrogen oxide emissions than conventional coal-fired power plants. Amsterdam recently introduced its first fuel-cell-powered boat that ferries people around the city’s famous and beautiful canals.

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