Hydrogen Fuel cells are emerging as fuel of the future due its potenti...
The by-product is water and heat not carbon dioxide.
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Hydrogen Fuel cells are emerging as fuel of the future due its potenti...
Hydrogen Fuel Cells as Fuel of the Future
Hydrogen fuel cells are being considered as the fuel of the future due to their potential to address the energy crisis. Let's understand the statements mentioned in the question:
1. Hydrogen fuel cells convert chemical energy into electrical energy:
This statement is correct. Hydrogen fuel cells work on the principle of electrochemical reaction. Hydrogen gas is supplied to one side of the fuel cell, and oxygen gas is supplied to the other side. The hydrogen gas is split into positive hydrogen ions and electrons. The hydrogen ions pass through the membrane to the other side, while the electrons travel through an external circuit, creating an electrical current. On the other side of the cell, oxygen combines with the hydrogen ions and electrons to form water.
2. They are more environmentally friendly compared to other fuels like coal and natural gas:
This statement is also correct. Hydrogen fuel cells produce electricity without emitting harmful pollutants, unlike other fuels like coal, natural gas, and oil. They only produce water and heat as byproducts. Hence, they are considered as a clean and green source of energy.
3. The only concern is the release of CO2 and excess heat after the reaction:
This statement is not entirely correct. Hydrogen fuel cells do not release CO2 during the reaction, as mentioned earlier. However, excess heat is generated during the reaction, which can be a concern if not managed properly. The excess heat can be utilized for various purposes like heating homes, buildings, and water.
Conclusion:
In conclusion, hydrogen fuel cells show great potential in addressing the energy crisis and reducing carbon emissions. They are clean, efficient, and offer a sustainable source of energy. However, the technology is still in its early stages and needs further research and development to make it more accessible and cost-effective.
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