I need 5 pros and 5 cons about Fuel Cells!
Pros: Very clean. Fuel cells produce electricity for just about anything, and the only waste is water vapor and a tiny bit of heat. Abundant fuel sources. The hydrogen needed can be sourced in lots of places. At the moment most of it comes as a byproduct of the fossil fuel processing, but it's very possible to source the hydrogen from water. Scaleable. Fuel cells can be used in very small things like mobile phones, through to industrial sized generators for factories and/or whole towns. Baseload power. Fuel cells are perfect companions for renewable energy like solar and/or wind, because the renewables can be producing hydrogen from water while they have a surplus of power, and when the sun goes down and the wind stops, the fuel cell can take over, for totally continuous and clean energy. Powerful and light. They can be powerful enough and light enough to be used in a car, which means we can get off our oil addiction. Cons: Costly. Being such a new technology means they are still very expensive, and more needs to happen in their commercial development before costs can come down. Hydrogen needs to be made. We can't just get hydrogen from the ground like oil, gas, or coal. We need to use energy to make the hydrogen. Because of this hydrogen is NOT an energy source, but an energy store. Storage. Hydrogen is very hard to store. It's not a compact liquid unless kept VERY cold, which wastes energy and reduces its effectiveness. Competition. The newest Lithium-oin batteries are starting to leave hydrogen/fuel cells behind as an energy store. They're cheaper, easier to store, and the car industry is already using them far more. Explosive. Well, not any more than gasoline, but the perception is that hydrogen is dangerous, which will hurt it's uptake. 5 and 5. Hope that helps, and all the best.
pro- alternative energy source if other sources run out or become too costly con- current fuel cells too costly, too bulky, no set up for recharging fast e.g., like a petrol station, too weighty
Hydrogen Energy Pros And Cons
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