Define fuel cells and two advantages and disadvantages of hydrogen
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A fuel cell is an electrochemical cell that converts the chemical energy from a fuel into electricity throgh an electrochemical reaction of hydrogen fuel cell with oxygen as an oxidizing agent.
Ads:
1] Can eliminate pollution since water is the by product formed.
2] Have higher efficiency.
3] Operate silently hence can be used in hospitals.
4] Maintenance is simple.
DisAds:
1] Fossil fuels are still needed in order to separate hydrogen and oxygen atoms.
2] Costly to produce.
3] Flammable.
4] Cells cant hold much.
Ads:
1] Can eliminate pollution since water is the by product formed.
2] Have higher efficiency.
3] Operate silently hence can be used in hospitals.
4] Maintenance is simple.
DisAds:
1] Fossil fuels are still needed in order to separate hydrogen and oxygen atoms.
2] Costly to produce.
3] Flammable.
4] Cells cant hold much.
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