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1 INTRODUCTIONrnHydrogen evolution reaction is an important reaction to produce high purity hydrogen for use in applications such as fertilizers (synthesis of ammonia),food (hydrogenation of fats and oils),petrochemical industry(hydrocracking of petroleum), metallurgical industry (reducing agent in the metallurgical and semiconductors industries) and alkaline production. The main operating cost of the process is the cost of electricity.