Method for preparing covalent organic polymer by reaction mill and application of covalent organic polymer

A covalent organic and polymer technology, applied in organic compound/hydride/coordination complex catalysts, chemical instruments and methods, carbon preparation/purification, etc., can solve the problem of low synthesis efficiency, pollution, large toxic and harmful solvents and other problems, to achieve the effect of short reaction time, low energy consumption and rapid response

Active Publication Date: 2018-10-12
宁波华储能源有限责任公司
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  • Description
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  • Application Information

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Problems solved by technology

[0003] The present invention aims to overcome the problem of low synthesis efficiency of covalent organic polymers in the prior art and the need to use a large amount of toxic and harmful solvents to cause serious pollution, and provides a method and application for preparing covalent organic polymers by using a reaction mill. The method of reaction mill is to mix the reactants without adding solvent or add a small amount of solvent to synthesize covalent organic polymer under the condition of reaction mill, which is used for quantitative production and preparation of different covalent organic polymers

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  • Method for preparing covalent organic polymer by reaction mill and application of covalent organic polymer
  • Method for preparing covalent organic polymer by reaction mill and application of covalent organic polymer
  • Method for preparing covalent organic polymer by reaction mill and application of covalent organic polymer

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Embodiment 1

[0025] Such as Figure 4 As shown, weigh 1.5g of terephthalaldehyde and 1.5g of melamine respectively, then add 2ml of ethanol, grind and mix to a slurry state, put them in the reaction mill jar, the total volume of the reaction monomer is 2 / 5 of the volume of the reaction mill jar , reaction mill for 1 hour, the grinding frequency was kept at 600 rpm, the reaction mill medium was zirconia balls with a diameter of 2 mm, and the covalent organic polymer obtained after the reaction mill was carbonized at high temperature in a tube furnace, and the high temperature carbonization program was 10°C / The heating rate of min is to raise the temperature to 300°C and stay for 1 hour, then raise the temperature to 900°C at a heating rate of 10°C / min, and stay at 900°C for 2 hours. After carbonization, the final product, that is, a derivative of a covalent organic polymer, is obtained. The final product was electrochemically tested to obtain the OER and ORR performance of the catalyst, as...

Embodiment 2

[0027] Such as Figure 4 As shown, weigh 2g of terephthalic acid and 1.5g of melamine respectively, then add 1ml of N, N-dimethylformamide, grind and mix to a slurry state, and place them in a reaction mill jar. The total volume of the reaction monomer is the reaction mill 1 / 2 of the volume of the tank, the reaction mill is 30h, the grinding frequency is kept at 100 rpm, the reaction mill medium is zirconia balls with a diameter of 10mm, and the covalent organic polymer obtained after the reaction mill is carbonized at high temperature in a tube furnace. The carbonization program is a heating rate of 1°C / min, heating up to 500°C, staying at 500°C for 1 hour, rising to 700°C at a heating rate of 1°C / min, staying at 700°C for 5 hours, and obtaining the final product after carbonization, that is, covalent Derivatives of organic polymers. The final product was electrochemically tested to obtain the OER and ORR performance of the catalyst, and the OER was measured at 10mA / cm 2 Th...

Embodiment 3

[0029] Such as Figure 4 As shown, weigh 2 g of isophthalonitrile and 1.5 g of ZnCl 2 , grind and mix evenly, place in the reaction mill jar, the total volume of the reaction monomer is 3 / 4 of the volume of the reaction mill jar, the reaction mill is 5h, the grinding frequency is kept at 300 rpm, and the reaction mill medium is a circle with a diameter of 5mm Beads, the covalent organic polymer obtained after the reaction mill was washed with water to remove zinc chloride, and then carbonized at a high temperature in a tubular furnace. The high-temperature carbonization program was a heating rate of 8°C / min. The heating rate of °C / min was increased to 1100 °C, and the temperature was kept at 1100 °C for 4 hours. After carbonization, the final product, that is, the derivative of the covalent organic polymer, was obtained. The final product is electrochemically tested to obtain the OER and ORR performance of the catalyst, and the OER of 10mA / cm 2 The corresponding voltage is 1...

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Abstract

The invention discloses a method for preparing a covalent organic polymer by a reaction mill, wherein the method is applied to development and preparation of catalysts for energy device related reaction processes, such as oxygen reduction reaction ORR, oxygen evolution reaction OER and the like. The method comprises the following steps: placing monomers containing functional groups capable of generating covalent bonds in a reaction mill pot, to obtain a covalent organic polymer after grinding for a period of time at a certain frequency, and carbonizing at high temperature to obtain the catalyst which can be applied in an electrochemical process. The method has the advantages of simple process, convenient operation, precious little solvent consumption, no pollution, safety and environmentalprotection, and can be used for macroscopic-quantity preparation of the covalent organic polymer to meet commercial applications.

Description

technical field [0001] The invention relates to the field of quantitative preparation of covalent organic polymers for the production of energy device reaction process catalysts, in particular to a method and application for preparing covalent organic polymers by using a reaction mill. Background technique [0002] Current energy devices include fuel cells, metal-air batteries, solar cells, and supercapacitors, etc., which have high energy conversion and storage efficiency. They are efficient and clean energy devices with good development prospects. They have a wide range of applications. It can be applied to mobile power supply, energy vehicle battery and portable power supply, etc. Compared with conventional energy storage and conversion devices, the conversion efficiency of the above-mentioned energy conversion is higher, and there is no combustion reaction process in the middle, which reduces the loss of heat energy, so the conversion rate between chemical energy and ele...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J21/18B01J31/06C01B32/05C08G12/32
CPCB01J21/18B01J31/06B01J35/0033B01J37/0036C01B32/05C08G12/32
Inventor 向中华林欣欣彭鹏
Owner 宁波华储能源有限责任公司
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