What is the primary difference between a fuel cell and a battery? Fuel cells do

Question

What is the primary difference between a fuel cell and a battery? Fuel cells do not run down because they can be refueled; batteries run down and need to be recharged. Batteries can be recharged, fuel cells cannot. Batteries supply electricity; fuel cells supply heat. Fuel cells oxidize to supply electricity, batteries reduce to supply electricity. Fuel cells do not use metals as oxidants and reductants, batteries have a static reservoir of oxidant and reductant. In one type of fuel cell the following oxidation-reduction reactions are taking place: What is the fuel? H_2 O_2 H_2O all of the above none of the above

Explanation / Answer

Question 55

Option A is the answer

However, while a battery makes electricity from the energy it has stored inside the battery, a fuel cell makes its electricity from fuel in an external fuel tank . This means that while a battery may run dead, a fuel cell will make electricity as long as fuel is supplied

Question 56

Option A is the answer

fuel cell is converts the chemical energy from a fuel into electricity through a chemical reaction of positively charged hydrogen ions with oxygen

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