[EN] The uses of hydrogen are mainly based on the chemical or petrochemical required for industrial processes such as in obtaining ammonia or oil respectively. Most of its production is from fossil fuel, specifically the reforming of natural gas. But hydrogen can be used as energy storage and energy vector capable of integration in stationary and transport applications, with high benefits for society and can provide a planet and sustainable system. The use of hydrogen in molecular form as a carrier and energy store began to arise in the second half of the last century, from then until now, has enabled the technology has been adapting and evolving needs and demands of society. These technologies, although incipient, and friendly to ...