Hydrogen fuel synthetic method

A technology for hydrogen fuel and hydrogen storage material, applied in the direction of hydrogen production, etc., can solve the problems of inconvenient operation, leakage of solution, inability to effectively control the reaction process and hydrogen supply speed, etc., and achieve the effect of improving conversion rate and easy operation.

Inactive Publication Date: 2013-06-19
云南亿星之光新能源科技开发有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, only using sodium borohydride aqueous solution can not effectively control the reaction process and hydrogen supply rate; and it has strict requirements on the device. If the seal is not tight, the solution will leak and the operation will be inconvenient.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Hydrogen storage material: sodium borohydride 100g, sodium hydroxide 38g, hydroxyethyl cellulose superabsorbent material 22g, catalyst potassium chloroplatinate K 2 PtCl 6 4.5g;

[0027] Preparation method: Sodium borohydride, sodium hydroxide, hydroxyethyl cellulose superabsorbent material, catalyst potassium chloroplatinate K 2 PtCl 6 Mix evenly to obtain a hydrogen storage material;

[0028] The method for preparing hydrogen using the hydrogen storage material: inject 500g of water into the hydrogen storage material, dissolve sodium borohydride and sodium hydroxide to form an alkaline solution, and the water-absorbing material absorbs the alkaline solution to form a gel-like hydrogen storage material; catalyst Potassium chloroplatinate K 2 PtCl 6 It is reduced to metal platinum by sodium borohydride and evenly distributed in the alkaline solution of sodium borohydride. Under the action of metal platinum, sodium borohydride is hydrolyzed to produce hydrogen.

Embodiment 2

[0030] Hydrogen storage material: sodium borohydride 100g, sodium hydroxide 0.01g, cellulose xanthate superabsorbent material 25g, catalyst sample powder 30g;

[0031] Preparation method: Mix sodium borohydride, sodium hydroxide, cellulose xanthate superabsorbent material, and catalyst nickel powder to obtain hydrogen storage material;

[0032] The method for preparing hydrogen using the hydrogen storage material: inject 500g of water into the hydrogen storage material, sodium borohydride and sodium hydroxide dissolve to form an alkaline solution, and the water-absorbing material absorbs the alkaline solution to form a gel-like hydrogen storage material; catalyst Evenly distributed in the alkaline solution of sodium borohydride, the sodium borohydride is hydrolyzed under the action of the catalyst to generate hydrogen.

Embodiment 3

[0034] Hydrogen storage material: Potassium borohydride 100g, sodium hydroxide 2g, cellulose grafted acrylamide super absorbent material 0.1g, catalyst diamond powder 45g;

[0035] Preparation method: Mix potassium borohydride, sodium hydroxide, cellulose-grafted acrylamide superabsorbent material, and catalyst cobalt powder to obtain the hydrogen storage material;

[0036] The method for preparing hydrogen by using the hydrogen storage material: injecting 500 g of water into the hydrogen storage material, dissolving potassium borohydride and sodium hydroxide to form an alkaline solution, and the water-absorbing material absorbs the alkaline solution to form a gel-like hydrogen storage material; The catalyst is evenly distributed in the alkaline solution of potassium borohydride, and under the action of the catalyst, the potassium borohydride is hydrolyzed to generate hydrogen.

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Abstract

The invention discloses a hydrogen fuel synthetic method which comprises the following steps: mixing well hydroboron, water absorbing materials, hydroxide and catalytic agents, and obtaining hydrogen storage materials; injecting water into the hydrogen storage materials, and dissolving the hydroboron and the hydroxide to form alkaline solutions, wherein the water absorbing materials absorb the alkaline solutions to form gel-like hydrogen storage materials; and hydrolyzing the hydroboron under the action of the catalytic agents to produce hydrogen gas. According to the hydrogen fuel synthetic method, the releasing speed of the hydrogen gas can be controlled, and the prepared hydrogen gas is high in purity, and is not required to be further filtered.

Description

technical field [0001] The invention belongs to the technical field of hydrogen fuel, and in particular relates to a method for synthesizing hydrogen with a controllable release rate. Background technique [0002] Sodium borohydride is a commonly used complex hydride. Due to its excellent reducibility and wide range of uses, it has been widely used in industrial production in European and American markets, but its use in my country is still very small, and there is still room for expansion. [0003] U.S. Patent No. 6,358,488 has reported the method that adopts nickel, cobalt or hydrogen storage alloy powder to catalyze the hydrolysis of sodium borohydride to generate hydrogen. The reaction equation is as follows: [0004] NaBH 4 +2H 2 O→4H 2 +NaBO 2 [0005] This hydrogen supply method has the following advantages: [0006] (1) Sodium borohydride hydrogen storage fuel is an environmentally friendly substance, and the entire hydrogen generation and use process does not ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B3/06
CPCY02E60/36
Inventor 李亚斌
Owner 云南亿星之光新能源科技开发有限公司
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