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Method for synthesizing boron and nitrogen co-doped graphitized nano-carbon by using ion-exchange resin

An ion exchange resin, exchange resin technology, applied in nanocarbon, chemical instruments and methods, nanotechnology for materials and surface science, etc., can solve the problems of low yield, harsh reaction conditions, uncontrollable boron and nitrogen content, etc. , to achieve the effect of high output, low cost and simple process

Inactive Publication Date: 2014-07-23
HEILONGJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The present invention aims to solve the problems of complex preparation process, harsh reaction conditions, uncontrollable microscopic appearance of the product, uncontrollable boron and nitrogen content, low output and high cost in the existing boron-nitrogen co-doped graphite carbon, thus making it difficult to realize industrialized production. , providing a method for synthesizing boron-nitrogen co-doped graphitized nanocarbons using ion-exchange resins

Method used

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  • Method for synthesizing boron and nitrogen co-doped graphitized nano-carbon by using ion-exchange resin
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  • Method for synthesizing boron and nitrogen co-doped graphitized nano-carbon by using ion-exchange resin

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specific Embodiment approach 1

[0015] Specific embodiment one: the present embodiment utilizes the method for synthesizing boron-nitrogen co-doped graphitized nano-carbon of ion-exchange resin, is completed by the following steps: Carry out pretreatment, obtain the ion exchange resin after pretreatment;

[0016] 2. Add the pretreated ion exchange resin into the solvent, then add the boron-containing compound and graphitized catalyst at a temperature of 25-80°C and a stirring speed of 100-300r / min, and then stir for 6 ~30h, get the precursor;

[0017] 3. Pre-carbonize the precursor in step 2 for 1-6 hours at a temperature of 200-500°C under the protection of an inert gas to obtain a pre-carbonized precursor;

[0018] 4. Raise the temperature from room temperature to 550-1400°C at a rate of 2-15°C / min, and then heat-treat the pre-carbonized precursor at 550-1400°C for 20-3000 minutes to obtain the heat-treated precursor; the heat-treatment atmosphere It is one of nitrogen, argon, helium and ammonia or a mix...

specific Embodiment approach 2

[0021] Embodiment 2: The difference between this embodiment and Embodiment 1 is that the ion exchange resin in step 1 is an anion and cation exchange resin, a macroporous ion exchange resin, or a chelating ion exchange resin. Other steps and parameters are the same as those in Embodiment 1.

specific Embodiment approach 3

[0022] Specific embodiment three: the difference between this embodiment and specific embodiment one or two is that the anion and cation exchange resin is acrylic weakly basic anion exchange resin, styrene strong basic anion exchange resin, amphoteric ion exchange resin or acrylic acid Cation exchange resin. Other steps and parameters are the same as those in Embodiment 1 or Embodiment 2.

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Abstract

The invention discloses a method for synthesizing boron and nitrogen co-doped graphitized nano-carbon by using ion-exchange resin, which relates to a synthetic method of boron and nitrogen co-doped graphite carbon. According to the method, the problem of incapability of implementing industrial production caused by complex preparation technologies, harsh reaction conditions, uncontrollable microstructures of products, uncontrollable contents of boron and nitrogen, low yield and high cost of the boron and nitrogen co-doped graphite carbon is solved. The method comprises the following steps of: (1) pre-treating the ion-exchange resin; (2) coordinating functional ions and the ion-exchange resin; (3) pre-carbonizing; (4) heat-treating; and (5) inducing acid reflux and deionized water washing, and drying to acquire the boron and nitrogen co-doped graphite carbon. The microstructure of the boron and nitrogen co-doped graphite carbon acquired by the invention is controllable, the contents of boron and nitrogen are controllable, and the conductivity is good; and meanwhile, the preparation technologies are simple, the microstructure of the product is controllable, the contents of boron and nitrogen are controllable, the yield is high, and the cost is low. The method can be applied to the field of the storage and conversion of energy.

Description

technical field [0001] The invention relates to a method for synthesizing boron and nitrogen co-doped graphitic carbon. Background technique [0002] Since entering the 21st century, human society is facing severe challenges of energy crisis and environmental pollution. All countries and energy researchers in the world are constantly seeking cleaner green energy. Green energy is one of the important components in the field of modern energy transportation. At present, the rational deployment of various vehicle energy structures has become a research focus and hot spot in the field of transportation in the world. With the development of science and technology, environmentally friendly electric vehicles using new chemical and physical power sources such as supercapacitors, lithium-ion batteries, and fuel cells as power sources have set off a technological upsurge worldwide. [0003] Since the discovery of carbon nanotubes, research and development of new carbon materials has b...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C01B31/04B82Y30/00C01B32/15C01B32/205
Inventor 付宏刚王蕾于鹏尹杰赵璐赵冬冬周卫田春贵田国徽
Owner HEILONGJIANG UNIV
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