Abstract
Hydrogen production is an effective step toward using clean energies and an appropriate substitution for fossil fuels. One of the very important concerns in the field of renewable energy is the conversion of the latent energies into electrical energy that could be carried out by developing hydrogen fuel cells as the cheap and also stable electrocatalysts for hydrogen evolution process. In the present work, some new methods of hydrogen production will be introduced after enumerating the advantages and disadvantages of hydrogen fuel and the global approach rate toward this clean fuel. Finally, a new method will be presented based on a chemical, economical, green and reproducible reaction through aqueous solution by means of solar ovens for hydrogen production.
Highlights
Energy is one of the ten main challenges of humans’ future [1]
Clean energies is one the vast and important fields globally considered due to several reasons; Hydrogen production and its numerous applications as a fuel has recently been critically considered by experts and the technology to produce, reserve, and transfer hydrogen is among the effective steps considered by research centers including Atomic Energy Organization in order to utilize hydrogen as a replace for fossil fuels [2] [3]
Bing based on hydrogen production through some chemical reactions by means of one or two intermediates and one consumable substance, one of the new methods recently introduced is KHAMIS method, in which a nuclear reactor supplies the energy of chemical reactions
Summary
Energy is one of the ten main challenges of humans’ future [1]. Clean energies is one the vast and important fields globally considered due to several reasons; Hydrogen production and its numerous applications as a fuel has recently been critically considered by experts and the technology to produce, reserve, and transfer hydrogen is among the effective steps considered by research centers including Atomic Energy Organization in order to utilize hydrogen as a replace for fossil fuels [2] [3]. Bing based on hydrogen production through some chemical reactions by means of one or two intermediates and one consumable substance, one of the new methods recently introduced is KHAMIS method, in which a nuclear reactor supplies the energy of chemical reactions In this method, a considerable cycle is sulfur-lode (S-I) cycle known as (Ispra Mark 16) which was first introduced in the US by General Atomics and developed by different institutes like Japan Atomic Energy Agency (JAEA). Vahid Mirzaei Mahmoud Abadi et al.: Proposing a Novel Economical and Reversible Method for Hydrogen The output of these two reactions is divided into two groups: the first group is output products exit from the cycle and used, including oxygen and hydrogen, whereas the second group is the very chemical intermediates mentioned above returned to the cycle. Other advantages of using hydrogen are: - Its ease of transfer through piping - The heat produced by the combustion per unit weight is more than that of other fuels - Is considered as a general fuel because its combination with air to combust in a wide band is changeable - Its remains in an enclosed area can be cleared by airflow; its toxicity is less than other fuels - Hydrogen is environmentally harmless [12] Problems in using hydrogen energy: - Quickly changes from liquid to gas in normal temperature - Needs high pressure in liquid mode to keep in a storage - Is highly permeable - Quickly combines with oxygen - Needs to decrease its temperature up to -253°C to liquefy in which its density is too low - Its thermal energy is 32% of thermal value of methane gas (about 3070 Kcal/m3) [13]
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