Hydrogen preparing process by reacting pure alminuim powder with water

Abstract

The invention provides a method for producing hydrogen through continuous reaction between pure aluminum powder body and water under the conditions of low vacuum and warm water. The main content of the method is as follows: putting a certain amount of fine A1 powder body into a closed vessel with a certain amount of water (the weight ratio of aluminum to water is 1:2-2.5), heating the water mixed with the Al powder body in the vessel to a certain temperature (such as 40 DEG C), and then vacuumizing to a certain low vacuum state (such as 3kPa, namely, the gas pressure of 0.03atm). The Al powder body can react with the water continuously and generate the hydrogen under the conditions of the temperature and the low vacuum. The speed for producing hydrogen by the reaction of the Al powder body and the water can be further increased if the reaction temperature is increased successively (shown in the attached figure 1). The hydrogen-producing method is mainly used for supplying hydrogen to fuel cells carried by fuel cell cars and other medium-sized and small-sized vehicles or appliances.

Description

Process method for generating hydrogen by reacting pure aluminum powder with water technical field The invention relates to a process method for producing hydrogen by reacting pure aluminum powder with water, which is a new simple and portable method for producing hydrogen, which can be directly used as fuel carried by fuel cell vehicles and other small and medium-sized transportation vehicles or devices. The battery provides the hydrogen source. The invention belongs to the technical field of chemistry and chemical engineering. Background technique With the global warming and the deterioration of the environment, people pay more and more attention to the research and development of clean energy technology. Fuel cells are the core of clean energy technology, because fuel cells directly convert chemical energy into electrical energy and thus have high efficiency and low pollution. Hydrogen is an ideal fuel for fuel cells because the oxidation product of hydrogen is water,...

AI Technical Summary

Problems solved by technology

The problem with using NaBH4 as a hydrogen-producing material is that NaOH must be used as a solution stabilizer, so there is a problem of strong alkali pollution

However, at normal temperature and pressure, the reactions of metal Fe and Al with water are very slow and limited.

Images