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Nickel oxide nanoflower/foamed nickel, and electrodeposition preparation method and application thereof

A technology of nickel foam and nanoflowers, which is applied in the field of nickel oxide nanoflowers/nickel foam and its electrodeposition preparation and application, to achieve the effects of high catalytic efficiency, long catalytic life and simple operation

Active Publication Date: 2020-01-03
SUN YAT SEN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The object of the present invention is to provide a kind of nickel oxide nano flower / foam nickel for the single carrier catalyst used for exhaust gas treatment in the prior art.

Method used

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  • Nickel oxide nanoflower/foamed nickel, and electrodeposition preparation method and application thereof
  • Nickel oxide nanoflower/foamed nickel, and electrodeposition preparation method and application thereof
  • Nickel oxide nanoflower/foamed nickel, and electrodeposition preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] A kind of nickel oxide nano flower / nickel foam, the preparation process is as follows:

[0037] Cut the foamed nickel sheet with a thickness of 10mm and a pore diameter of 0.1mm into a circular nickel foam sheet with a diameter of 4cm and a weight of 0.3g, and put it into 250mL 1mol / L hydrochloric acid solution for ultrasonication for 30min with an ultrasonic power of 100w; after ultrasonication, soak in the original hydrochloric acid solution for 2h , and washed with deionized water and ethanol in sequence; placed in an oven for 12 hours at 60°C;

[0038] The dried nickel foam is used as the cathode, and the platinum sheet is used as the anode, and placed in the electrodeposition solution for electrodeposition treatment; 0.03mol / L sodium sulfate is selected as the electrolyte, and 0.02mol / L ammonium acetate is used as the electrodeposition aid; The voltage is 8V, the current is 0.57A, and the electrodeposition time is 50min; after the electrodeposition is completed, ta...

Embodiment 2

[0043] A kind of nickel oxide nano flower / nickel foam, the preparation process is as follows:

[0044] Cut the nickel foam sheet with a thickness of 10mm and a pore diameter of 0.1mm into a circular nickel foam sheet with a diameter of 4cm and a weight of 0.3g, and put it into 250mL of 1mol / L hydrochloric acid solution for ultrasonication for 30min with an ultrasonic power of 100w; after ultrasonication, soak in the original hydrochloric acid solution for 2h , and washed with deionized water and ethanol in sequence; placed in an oven for 12 hours at 60°C;

[0045] The dried nickel foam is used as the cathode, and the platinum sheet is used as the anode, and placed in the electrodeposition solution for electrodeposition treatment; 0.03mol / L sodium sulfate is selected as the electrolyte, and 0.3mol / L ammonium acetate is used as the electrodeposition aid; The voltage was 8V, the current was 0.61A, and the electrodeposition time was 50min; after the electrodeposition was completed...

Embodiment 3

[0049] A kind of nickel oxide nano flower / nickel foam, the preparation process is as follows:

[0050] Cut the foamed nickel sheet with a thickness of 10mm and a pore diameter of 0.1mm into a circular nickel foam sheet with a diameter of 4cm and a weight of 0.3g, and put it into 250mL1mol / L hydrochloric acid solution for ultrasonication for 30min with an ultrasonic power of 100w; after ultrasonication, soak in the original hydrochloric acid solution for 2h, Wash with deionized water and ethanol in sequence; place in an oven and dry at 60°C for 12 hours;

[0051] The dried nickel foam is used as the cathode, and the platinum sheet is used as the anode, and placed in the electrodeposition solution for electrodeposition treatment; 0.03mol / L sodium sulfate is selected as the electrolyte, and 0.02mol / L ammonium chloride is used as the electrodeposition aid; The deposition voltage is 8V, the current is 0.35A, and the electrodeposition time is 50min; after the electrodeposition is co...

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Abstract

The invention discloses nickel oxide nanoflower / foamed nickel, and an electrodeposition preparation method and an application thereof. The preparation method of the nickel oxide nanoflower / foamed nickel comprises the following steps: S1, cutting foamed nickel into a proper size, carrying out ultrasonic treatment with diluted hydrochloric acid, continuously soaking the treated foamed nickel for 30-150 min after the ultrasonic treatment is finished, sequentially washing the soaked foamed nickel with water and ethanol respectively, and drying the washed foamed nickel; S2, carrying out electrodeposition treatment in an electrodeposition solution by using the dried foamed nickel obtained in step S1 as a cathode and a platinum sheet electrode as an anode; and S3, carrying out thermal treatment on a treated material obtained in step S2 at 200-500 DEG C for 0.5-12 h, and cooling the thermally treated material to obtain the nickel oxide nanoflower / foamed nickel. The preparation method of the nickel oxide nanoflower / foamed nickel has the advantages of mild preparation process, simplicity in operation, no additional metal nickel ion source, and controllable preparation conditions, and the product has the advantages of uniform growth of nickel oxide nanoflowers on the surface of the foamed nickel, multiple catalytic sites, large specific surface area and small mass transfer resistance, canbe used as an ozone catalyst to catalytically degrade organic waste gas, and has a high catalytic efficiency and a long catalytic service life.

Description

technical field [0001] The invention relates to the technical fields of environmental nanoporous materials and ozone catalytic oxidation, and more specifically relates to a nickel oxide nanoflower / nickel foam and its electrodeposition preparation and application. Background technique [0002] Chemical raw materials or solvents widely used in dyes, pesticides, spice production, paint making, spray paint, pharmaceuticals, shoemaking, furniture manufacturing and other industries. They will produce organic waste gas during the production process, polluting the environment, especially benzene, toluene, xylene , commonly known as "triphenyl" waste gas in industry, which has caused great harm and threat to the environment and human health. [0003] Ozone catalytic oxidation technology only needs to pass ozone and organic waste gas through a highly active catalyst to catalyze the decomposition of ozone to generate extremely strong oxidizing hydroxyl radicals (oxidation potential, 2....

Claims

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Application Information

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IPC IPC(8): B01J23/755B01J37/34B01J35/02B01D53/86B01D53/72B01D53/44
CPCB01J23/755B01J37/348B01D53/864B01D53/8687B01J35/00B01J35/30
Inventor 田双红娄臻成熊亚
Owner SUN YAT SEN UNIV
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