Which of the following statements is true for | vedclass

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(D) Fuel cells are electrochemical devices that convert the chemical energy of a fuel directly into electrical energy. They are highly efficient compa

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All of these

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(D) Fuel cells are electrochemical devices that convert the chemical energy of a fuel directly into electrical energy. They are highly efficient compared to thermal power plants. They are environmentally friendly as they do not produce pollutants. They operate continuously as long as the supply of reactants (e.g.,$H_2$ and $O_2$) is maintained. Therefore,all the given statements are correct.

Which of the following statements is true for fuel cells?

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