Hydrogen Cells Mechanics

Hydrogen cells or hydrogen fuel cell - a device that efficiently converts hydrogen into electricity to power up your car, and other appliances. The only byproduct is pure water and potentially useful heat.

Watch this hydrogen fuel cell presentation video by Ballard:

Here's Hydrogen Fuel Cell applications enumerated by the DOE with its advantages and efficiency compared to traditional combustion technologies:

"*Stationary fuel cells can be used for backup power, power for remote locations, distributed power generation, and cogeneration (in which excess heat released during electricity generation is used for other applications)."

"*Fuel cells can power almost any portable application that typically uses batteries, from hand-held devices to portable generators."

"*Fuel cells can also power our transportation, including personal vehicles, trucks, buses, and marine vessels, as well as provide auxiliary power to traditional transportation technologies. Hydrogen can play a particularly important role in the future by replacing the imported petroleum we currently use in our cars and trucks."

Efficiency of Hydrogen Fuel Cells (by DOE)

"• A conventional combustion-based power plant typically generates electricity at efficiencies of 33 to 35 percent, while fuel cell systems can generate electricity at efficiencies up to 60 percent (and even higher with cogeneration)."

"• The gasoline engine in a conventional car is less than 20% efficient in converting the chemical energy in gasoline into power that moves the vehicle, under normal driving conditions. Hydrogen fuel cell vehicles, which use electric motors, are much more energy efficient and use 40-60 percent of the fuel’s energy — corresponding to more than a 50% reduction in fuel consumption, compared to a conventional vehicle with a gasoline internal combustion engine (ICE)."

Jan 7, 2014 - Toyota's CES press event yesterday was mainly dedicated to discussing the state of the carmaker's hydrogen fuel-cell program.  Things look promising in that they want to power your home with their cell technology - Source: www.popularmechanics.com

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