Three-way catalyst for hydrogen used for preparing fuel cells and preparation method of three-way catalyst

A three-way catalyst, fuel cell technology, applied in chemical instruments and methods, physical/chemical process catalysts, hydrogen production, etc. Simple, improve the efficiency of light energy utilization, the effect of improving the absorption capacity

Inactive Publication Date: 2018-09-04
CHENDU NEW KELI CHEM SCI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the traditional hydrogen production method needs to consume a huge amount of conventional energy, making hydrogen energy too expensive, which greatly limits the promotion and application of hydrogen energy

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] Example 1 Preparation of Ternary Nanosheet Catalyst for Photocatalytic Hydrogen Production

[0038] Prepare as follows:

[0039]a. Weigh tin tetrachloride, thioacetamide and selenium dioxide, wherein the molar ratio of tin tetrachloride, thioacetamide and selenium dioxide is 1:0.5:1.5.

[0040] Weigh the auxiliary polyacrylamide, wherein the molar ratio of tin tetrachloride to polyacrylamide is 1:0.05.

[0041] Put tin tetrachloride, thioacetamide and selenium dioxide into a beaker, then add additives, then add a sufficient amount of tetraethylene glycol solution, stir with a magnetic stirrer until tin tetrachloride, thioacetamide Amide and selenium dioxide are completely dissolved to obtain a mixed solution, and then the mixed solution is poured into a flask for sealing;

[0042] b. Place the sealed mixture in a rotating magnetic field, heat it to 220°C, and keep it warm for 18 hours;

[0043] c. Naturally cool the mixed solution after heat preservation to normal te...

Embodiment 2

[0044] Example 2 Preparation of Ternary Nanosheet Catalyst for Photocatalytic Hydrogen Production

[0045] Prepare as follows:

[0046] a. Weigh tin tetrachloride, thioacetamide and selenium dioxide, wherein the molar ratio of tin tetrachloride, thioacetamide and selenium dioxide is 1:0.5:1.5.

[0047] Weigh the auxiliary polyacrylamide, wherein the molar ratio of tin tetrachloride to polyacrylamide is 1:0.03.

[0048] Put tin tetrachloride, thioacetamide and selenium dioxide into a beaker, then add additives, then add a sufficient amount of tetraethylene glycol solution, stir with a magnetic stirrer until tin tetrachloride, thioacetamide Amide and selenium dioxide are completely dissolved to obtain a mixed solution, and then the mixed solution is poured into a flask for sealing;

[0049] b. Put the sealed mixed solution in a rotating magnetic field, heat it to 210°C, and keep it warm for 16 hours;

[0050] c. Naturally cool the mixed solution after heat preservation to nor...

Embodiment 3

[0051] Example 3 Preparation of Ternary Nanosheet Catalyst for Photocatalytic Hydrogen Production

[0052] Prepare as follows:

[0053] a. Weigh tin tetrachloride, thioacetamide and selenium dioxide, wherein the molar ratio of tin tetrachloride, thioacetamide and selenium dioxide is 1:0.5:1.5.

[0054] Weigh the auxiliary polyacrylamide, wherein the molar ratio of tin tetrachloride to polyacrylamide is 1:0.05.

[0055] Put tin tetrachloride, thioacetamide and selenium dioxide into a beaker, then add additives, then add a sufficient amount of tetraethylene glycol solution, stir with a magnetic stirrer until tin tetrachloride, thioacetamide Amide and selenium dioxide are completely dissolved to obtain a mixed solution, and then the mixed solution is poured into a flask for sealing;

[0056] b. Put the sealed mixed solution in a rotating magnetic field, heat it to 210°C, and keep it warm for 16 hours;

[0057] c. Naturally cool the mixed solution after heat preservation to nor...

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Abstract

The invention relates to a three-way catalyst for hydrogen used for preparing fuel cells and a preparation method of the three-way catalyst, and belongs to the field of photocatalytic hydrogen generation materials. The preparation method of the three-way nanosheet catalyst used for photocatalytic hydrogen generation comprises the following steps that 1, stannic chloride, thioacetamide and seleniumdioxide are mixed, dissolved into a tetraethylene glycol solution by adding an additive, and stirred to be completely dissolved, a mixed solution is obtained, and then the mixed solution is sealed; 2, the sealed mixed solution is standing in a rotating magnetic field for heating to 200-250 DEG C, and heat preservation is conducted for 15-24 hours; 3, the mixed solution obtained after heat preservation is naturally cooled to room temperature, and then subjected to centrifugal separation, precipitation and drying, and the three-way nanosheet material is prepared. The three-way nanosheet catalyst used for photocatalytic hydrogen generation not formed by assembling small nanosheets and is uniform and compact in overall structure, modification on the surface is facilitated, and meanwhile, thechemical performance of the nanosheet material is improved. The three-way catalyst is suitable for scale production of the raw material hydrogen for the fuel cell.

Description

technical field [0001] The invention relates to a three-way catalyst used for preparing fuel cell hydrogen and a preparation method thereof, belonging to the field of photocatalytic hydrogen production materials. Background technique [0002] With the rapid growth of population and economy, the world's energy consumption has doubled, which has accelerated the depletion of fossil fuels. Therefore, it is urgent to find new energy sources to replace fossil fuels. In the field of new energy, hydrogen energy has been generally considered to be the most ideal pollution-free green energy in the new century, because hydrogen combustion, water is its only product. Hydrogen is the most abundant element in nature, and it is widely found in water, fossil fuels and various carbohydrates. [0003] Especially with the development of fuel cells, the demand for hydrogen is increasing, and the purity of hydrogen is required to be high, and the source is required to be continuous. However, t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J27/057C01B3/04
CPCB01J27/0573B01J35/0013B01J35/004C01B3/042Y02E60/36
Inventor 陈庆廖健淞
Owner CHENDU NEW KELI CHEM SCI CO LTD
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