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Novel catalyst material and preparation method and application thereof

A catalytic material and a new type of technology, applied in chemical instruments and methods, oxidized water/sewage treatment, electrodes, etc., can solve the problems of restricting large-scale use, high cost and scarcity, and achieve large-scale production, cheap raw materials, The effect of improving the catalytic activity

Active Publication Date: 2021-03-09
合肥龙智机电科技有限公司
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

But their high cost and scarcity greatly limit their large-scale use in industry

Method used

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  • Novel catalyst material and preparation method and application thereof
  • Novel catalyst material and preparation method and application thereof
  • Novel catalyst material and preparation method and application thereof

Examples

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Embodiment 1

[0051] CoNi-MOFs / S-g-C 3 N 4 The preparation method of electrode, comprises the steps:

[0052] (1) 1.8mmol Co(NO 3 ) 2 , 0.5mmol Ni(NO 3 ) 2 , 4 mmol NH 4 F and 10mmol CH 4 N 2 O (urea) is dissolved in 40mL deionized water and makes reaction solution;

[0053] Place nickel foam in a reaction solution at 120°C for solvothermal reaction for 5 hours, cool to room temperature after the reaction is completed, wash with deionized water, and dry in vacuum to obtain a precursor electrode containing Co and Ni elements;

[0054] (2) Place the imidazole and the precursor electrode prepared in (1) at both ends of the quartz tube, the imidazole end is placed near the gas flow inlet, and the precursor electrode is placed near the gas flow outlet, and then calcined at 300 ° C under nitrogen atmosphere , get CoNi-MOFs electrode;

[0055] (3) Dissolve melamine (10mmol) and thiocyanic acid (10mmol) in 50.0mL distilled water and 50.0mL N,N dimethylformamide respectively at 80°C. After...

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Abstract

The invention discloses a novel catalyst material as well as a preparation method and application thereof, and the preparation method comprises the following steps: (1) placing a conductive substratein a mixed solution of cobalt salt, nickel salt, ammonium fluoride and urea for solvothermal reaction to obtain a precursor electrode containing Co and Ni elements; (2) calcining imidazole in an inertatmosphere to obtain imidazole steam, and putting the precursor electrode into the imidazole steam to obtain a CoNi-MOFs electrode; and (3) dispersing sulfur-doped carbon nitride powder in water to form a suspension, soaking the CoNi-MOFs electrode in the suspension, and treating by a high-energy treatment technology to obtain the novel catalyst material. The novel catalyst material provided by the invention has excellent hydrogen evolution and oxygen evolution performances, is a bifunctional catalytic material with excellent performance, and can be widely applied to a plurality of electrocatalysis fields such as pollutant degradation and hydrogen production and oxygen production by electrocatalytic cracking of water.

Description

technical field [0001] The invention relates to the technical fields of electrolyzed water for hydrogen and oxygen generation, wastewater treatment and electrocatalytic materials, and in particular to a novel catalytic material with dual functions of decomposing water for hydrogen and oxygen generation and degrading pollutants, as well as its preparation method and application. Background technique [0002] Environmental pollution and energy shortage are two important issues facing society today. On the one hand, with the development of the economy, the unreasonable disposal of a large number of terminal wastes has caused serious environmental pollution problems; on the other hand, the current fossil fuels, such as coal, oil and natural gas, are becoming increasingly depleted and cannot Meeting the energy needs of today's society. Therefore, the development of green and clean energy and the control of environmental pollution are major challenges for the sustainable developm...

Claims

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Application Information

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IPC IPC(8): C25B11/04C25B1/04C02F1/467C02F1/72C02F101/34C02F101/36
CPCC02F1/4672C02F1/725C02F2101/345C02F2101/36C25B1/04C25B11/04Y02E60/36
Inventor 丛燕青张文华
Owner 合肥龙智机电科技有限公司
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