Hydrogen is one of the simplest however most prominent element in the universe. Containing only one proton and one electron, the hydrogen element is combined majority of the time with other elements. By having zero to zero gas emissions and by being an energy carrier; hydrogen is the next eco-friendly step on this planet. Since hydrogen-fuel cells contain a high energy and creating almost no pollution, these fuel-cells will contribute to our planet socioeconomically and environmentally. By using hydrogen-fuel cells in our cars; the internal combustion engine in cars which are very inefficient will slowly decrease and fade out of the economy. Hydrogen fuel cells are very attractive to cars because of their efficiency and the fact that they use water vapour instead of carbon dioxide. Hydrogen fuel cells contain two electrodes (anode and a cathode) similar to a battery and produces electricity while the reactants are supplied continuously from an external source. Fuel is fed continuously to the anode while the cathode is being feeding the oxidant. The electrolyte layer that acts as a ......

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