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Aluminum alloy for hydrogen production and preparation method of aluminum alloy

An aluminum alloy and metal technology, applied in the field of aluminum alloy for hydrogen production and its preparation, can solve the problems of slow reaction, high degree of danger, violent reaction of water, etc., and achieve the effect of improving the activity of aluminum metal and preventing the reaction from being too violent

Active Publication Date: 2019-01-04
江苏迅易新能源科技有限公司
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Problems solved by technology

However, the difficulty in supplying hydrogen has become a technical difficulty restricting the promotion of hydrogen fuel cells
Metal aluminum reacts with water to produce hydrogen, but the reaction is extremely slow. In order to increase the reaction rate, a certain amount of lithium is currently mainly added to metal aluminum. However, the content of active metals in aluminum-lithium alloys is relatively high, and the reaction with water is violent and dangerous. higher

Method used

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  • Aluminum alloy for hydrogen production and preparation method of aluminum alloy

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preparation example Construction

[0023] The present invention also provides a method for preparing the aluminum alloy described in the above technical solution, including:

[0024] Melting metal aluminum to obtain aluminum water;

[0025] adding other metals in batches to the aluminum water for smelting and cooling to obtain an aluminum alloy for hydrogen production;

[0026] The amounts of the metal aluminum and other metals correspond to the contents of aluminum and other metals in the aluminum alloy.

[0027] The invention melts metal aluminum to obtain aluminum water. In the present invention, the melting temperature is preferably 760-1500°C, more preferably 760-1100°C. The present invention has no special requirements on the implementation of the melting, and implementations well known to those skilled in the art can be used. In the present invention, the amount of metal aluminum used corresponds to the content of aluminum in the aluminum alloy described in the above technical solution. In the presen...

Embodiment 1

[0031] According to the dosage and reaction conditions in Table 1, metal aluminum is melted to obtain aluminum water, and elemental magnesium and lithium are added in batches to the aluminum water, and a metal is added in each batch, and stirred for 5 minutes after each batch of metal is melted, and all After the metal enters, it is cooled to obtain an aluminum alloy for hydrogen production.

[0032] The reaction conditions of table 1 embodiment 1~7 and the addition (weight percent) of each metal

[0033]

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Abstract

The invention provides an aluminum alloy for hydrogen production and a preparation method of the aluminum alloy, and belongs to the technical field of hydrogen production materials. The aluminum alloycomprises the following ingredients by weight percentage: 90-99.9% of aluminum and 0.1-10% of other metals, wherein the other metals comprise one or more of lanthanum, lithium, gallium, molybdenum, lead, tin, zinc, antimony, titanium, indium, bismuth, manganese, nickel, cadmium, strontium, magnesium and calcium. The activity of an aluminum metal is improved, and a too sharp reaction can be prevented by adding the other metals, and the aluminum alloy can react with water mildly at ordinary temperature to generate hydrogen.

Description

technical field [0001] The invention relates to the technical field of hydrogen production materials, in particular to an aluminum alloy for hydrogen production and a preparation method thereof. Background technique [0002] Hydrogen energy, as a clean energy source, has attracted much attention. It is converted into electrical energy in a hydrogen fuel cell, and its product is water. However, the difficulty in supplying hydrogen has become a technical difficulty restricting the promotion of hydrogen fuel cells. Metal aluminum reacts with water to produce hydrogen, but the reaction is extremely slow. In order to increase the reaction rate, a certain amount of lithium is currently mainly added to metal aluminum. However, the content of active metals in aluminum-lithium alloys is relatively high, and the reaction with water is violent and dangerous. higher. Contents of the invention [0003] The object of the present invention is to provide an aluminum alloy for hydrogen p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/00C22C1/02C01B3/08
CPCC01B3/08C22C1/026C22C21/00Y02E60/36
Inventor 潘大弟于亮藏波
Owner 江苏迅易新能源科技有限公司
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