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Methanoic acid hydrogen production catalyst as well as preparation method and application thereof

A catalyst and catalyst carrier technology, applied in the field of hydrogen energy, can solve the problems of high preparation temperature and complicated preparation process, and achieve the effect of mild preparation conditions

Pending Publication Date: 2021-10-01
GUANGZHOU UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] At present, the preparation process of many catalysts with excellent activity for hydrogen production from formic acid is cumbersome.
For example, the preparation of the catalyst carrier needs to be carried out under the protection of nitrogen or even argon, and the preparation temperature also needs to be 700 ° C ~ 1000 ° C, which has the disadvantage of high preparation temperature

Method used

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  • Methanoic acid hydrogen production catalyst as well as preparation method and application thereof

Examples

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Embodiment 1

[0044] In this example, a catalyst for hydrogen production from formic acid is prepared, and the specific preparation process is as follows:

[0045] (1) The XC-72R type carbon black of 0.6g, 1.5g boric acid, 2.1g melamine are dissolved in 50ml deionized water, stir 30min to form a uniform suspension, then the suspension is transferred to the hydrothermal reaction kettle, and Hydrothermal treatment was carried out at 180°C for 12 hours in an oven.

[0046] (2) Cool the hydrothermal reaction kettle in step (1) naturally, filter the product therein with a circulating water vacuum pump, wash with deionized water, dry in an oven at 60° C. for 12 hours, and then cool to room temperature.

[0047] (3) The product dried in step (2) was placed in a muffle furnace for heat treatment at 600° C. for 3 h, and then cooled to room temperature to obtain a N, B doped C catalyst support.

[0048] (4) Configure 100ml (0.01mmol / L) aqueous solution of chloropalladic acid, dissolve 0.2g of N, B-d...

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Abstract

The invention provides a formic acid hydrogen production catalyst and a preparation method and application thereof. The formic acid hydrogen production catalyst is loaded with a transition metal element, and when the transition metal element is palladium, the catalyst has the best formic acid hydrogen production effect. The XC-72R carbon black has the advantage of large specific surface area, and a nitrogen and boron doped catalyst carrier has a promoting effect on dispersion of palladium on the catalyst, so that the activity of the catalyst can be improved by promoting dispersion of palladium on the catalyst carrier. Therefore, the selectivity and the catalytic activity of the hydrogen formate are improved through the proper catalyst carrier, so that the formic acid hydrogen production catalyst disclosed by the invention has excellent formic acid decomposition hydrogen production performance.

Description

technical field [0001] The invention belongs to the technical field of hydrogen energy, and in particular relates to a formic acid hydrogen production catalyst and its preparation method and application. Background technique [0002] The increase in energy consumption is an inevitable trend. With the current depletion of fossil energy sources, it is more and more urgent to find new alternative energy sources. Although hydrogen is a clean energy source, it only produces water when burned in a fuel cell, and at the same time releases a large amount of energy. However, the safety, economy and storage controllability of hydrogen remain to be resolved. In related technologies, chemical hydrogen storage materials have received extensive attention, including formic acid. [0003] Formic acid is a promising storage for hydrogen gas. It is non-toxic, convenient for transportation and storage, and is a safe medium for hydrogen retention. At the same time, since the hydrogen produc...

Claims

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Application Information

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IPC IPC(8): B01J27/24B01J35/10B01J37/10B01J37/08B01J37/16C01B3/22
CPCB01J27/24B01J37/10B01J37/082B01J37/16C01B3/22C01B2203/1211C01B2203/1041C01B2203/1082C01B2203/1064C01B2203/0277B01J35/61
Inventor 刘自力吴锦栋左建良刘奎良林璟杨伟
Owner GUANGZHOU UNIVERSITY
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