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2. Fuel cell - Wikipedia

   en.wikipedia.org/wiki/Fuel_cell

   Fuel cells cannot store energy like a battery, [71] except as hydrogen, but in some applications, such as stand-alone power plants based on discontinuous sources such as solar or wind power, they are combined with electrolyzers and storage systems to form an energy storage system.

3. Nickel–hydrogen battery - Wikipedia

   en.wikipedia.org/wiki/Nickel–hydrogen_battery

   The nickel–hydrogen battery combines the positive nickel electrode of a nickel–cadmium battery and the negative electrode, including the catalyst and gas diffusion elements, of a fuel cell. During discharge, hydrogen contained in the pressure vessel is oxidized into water while the nickel oxyhydroxide electrode is reduced to nickel hydroxide.

4. Fuel cell vehicle - Wikipedia

   en.wikipedia.org/wiki/Fuel_cell_vehicle

   Usually a fuel cell car consumes 2.4 times more energy than a battery electric car, because electrolysis and storage of hydrogen is much less efficient than using electricity to directly load a battery. [127]

5. Hydrogen Fuel-Cell Vehicles: Everything You Need to Know - AOL

   www.aol.com/hydrogen-fuel-cell-vehicles...

   Hydrogen fuel-cell vehicles are related to electric ... given the battery capacity of 17.7 kilowatt-hours—or roughly 10 times the size of the hybrid-only batteries in the other hydrogen vehicles ...

6. Hydrogen storage - Wikipedia

   en.wikipedia.org/wiki/Hydrogen_storage

   Excess power or off peak power generated by wind generators or solar arrays can then be used for load balancing in the energy grid. Using the existing natural gas system for hydrogen, Fuel cell maker Hydrogenics and natural gas distributor Enbridge have teamed up to develop such a power to gas system in Canada. [156]

7. Hydrogen fuel cell cars are here. But good luck trying to ...

   www.aol.com/news/hydrogen-fuel-cell-cars-good...

   Theoretically, there will be enough emissions-free energy sources in the future to supply fuel cell vehicles, and the cost of making the hydrogen plants and building now-expensive fuel cells will ...