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Preparation methodand application of non-noble metal-loaded porous carbon material

A technology of porous carbon materials and non-precious metals, which is applied in the field of preparation of non-precious metal-loaded porous carbon materials, can solve the problems of cumbersome operation, large environmental pollution, and wide pore size distribution, and achieve good electrochemical performance, high specific surface area, and high thermal stability sexual effect

Inactive Publication Date: 2018-06-08
DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Porous carbon materials can be prepared by physical and chemical activation of carbon precursors or direct carbonization. The obtained porous carbon structure is disordered and the pore size distribution is wide, which is limited in application.
Although the template carbonization method can effectively control the structure of porous carbon, the operation is cumbersome, time-consuming, costly, and causes great environmental pollution.

Method used

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  • Preparation methodand application of non-noble metal-loaded porous carbon material
  • Preparation methodand application of non-noble metal-loaded porous carbon material
  • Preparation methodand application of non-noble metal-loaded porous carbon material

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Effect test

Embodiment 1

[0035] The porous carbon material loaded with non-noble metal cobalt and the corresponding supercapacitor working electrode were prepared according to the following steps:

[0036] (1) According to the published synthesis method, synthesize and prepare the covalent organic framework material containing bipyridine group, Py-2,2'-BPyPh COF, the specific operation is as follows:

[0037] Add 8.5 mg (0.04 mmol) of 2,2'-bipyridine-5,5'-dicarbaldehyde (2,2'-BPy DCA) and 11.3 mg (0.02 mmol) of tetrakis(p-phenylamino)pyrene (PyTTA) To the ampoule, add 0.5mL mesitylene and 0.5mL 1,4-dioxane, mix well by ultrasonic, then add 0.1mL (6mol / L) acetic acid aqueous solution, place the ampoule in liquid nitrogen for freezing , evacuate until the pressure inside the bottle is less than 3Pa, seal the tube with flame, put it in an oven after sealing, and raise the temperature to 120°C to react for 3 days. After the reaction was completed, it was filtered with suction, and the obtained solid was ...

Embodiment 2

[0053] The porous carbon material loaded with non-noble metal cobalt and the corresponding supercapacitor working electrode were prepared according to the following steps:

[0054] (1) According to the published synthesis method, synthesize and prepare the covalent organic framework material containing bipyridine group, Py-2,2'-BPyPh COF, the specific operation is as follows:

[0055] Add 8.5 mg (0.04 mmol) of 2,2'-bipyridine-5,5'-dicarbaldehyde (2,2'-BPy DCA) and 11.3 mg (0.02 mmol) of tetrakis(p-phenylamino)pyrene (PyTTA) To the ampoule, add 0.5mL mesitylene and 0.5mL 1,4-dioxane, mix well by ultrasonic, then add 0.1mL (6mol / L) acetic acid aqueous solution, place the ampoule in liquid nitrogen for freezing , evacuate until the pressure inside the bottle is less than 3Pa, seal the tube with flame, put it in an oven after sealing, and raise the temperature to 120°C to react for 3 days. After the reaction was completed, it was filtered with suction, and the obtained solid was ...

Embodiment 3

[0063] The porous carbon material loaded with non-noble metal cobalt and the corresponding supercapacitor working electrode were prepared according to the following steps:

[0064] (1) According to the published synthesis method, synthesize and prepare the covalent organic framework material containing bipyridine group, Py-2,2'-BPyPh COF, the specific operation is as follows:

[0065] Add 8.5 mg (0.04 mmol) of 2,2'-bipyridine-5,5'-dicarbaldehyde (2,2'-BPy DCA) and 11.3 mg (0.02 mmol) of tetrakis(p-phenylamino)pyrene (PyTTA) To the ampoule, add 0.5mL mesitylene and 0.5mL 1,4-dioxane, mix well by ultrasonic, then add 0.1mL (6mol / L) acetic acid aqueous solution, place the ampoule in liquid nitrogen for freezing , evacuate until the pressure inside the bottle is less than 3Pa, seal the tube with flame, put it in an oven after sealing, and raise the temperature to 120°C to react for 3 days. After the reaction was completed, it was filtered with suction, and the obtained solid was ...

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Abstract

The invention discloses a preparation method and an application of a non-noble metal-loaded porous carbon material. According to the preparation method, a bipyridine covalent organic framework material used for loading non-noble metals through the post-synthesis method, and a porphyrin covalent organic framework material containing non-noble metals in the framework are adopted as precursors. Underthe protection of an inert gas, the room temperature is increased to a carbonization temperature through temperature programming, and then the temperature is kept for 120 minutes. In this way, a non-noble metal-loaded porous carbon material is obtained. The material is then applied to a supercapacitor. According to the invention, the preparation method of the non-noble metal-loaded porous carbonmaterial is simple in operation, and no template agent is required. The prepared non-noble metal-loaded porous carbon material is high in specific surface area and high in thermal stability. The material can be used as an electro-active material to prepare a supercapacitor working electrode, and is good in electrochemical performance.

Description

technical field [0001] The invention belongs to the field of novel porous carbon materials, and in particular relates to a preparation method and application of non-noble metal-loaded porous carbon materials. Background technique [0002] Exploring new electrode materials plays a vital role in improving the performance of new energy storage and energy conversion devices such as solar cells, lithium-ion batteries, and supercapacitors. The oxygen reduction reaction and oxygen evolution reaction involved in metal oxygen batteries and fuel cells are relatively difficult, and a large amount of noble metal catalysts (such as Ru, Pd, Ir) must be used to make the reaction happen, but its expensive price increases the preparation of the battery. Cost has become the main bottleneck of this type of battery technology. Therefore, developing low-cost non-noble metal catalysts as electrode materials is an effective way to solve this problem. Porous carbon materials have the advantages o...

Claims

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Application Information

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IPC IPC(8): H01G11/86H01G11/24H01G11/30H01G11/34H01G11/44B22F1/00B22F9/20
CPCY02E60/13H01G11/86B22F1/0003B22F9/20H01G11/24H01G11/30H01G11/34H01G11/44
Inventor 高艳安罗婷王宇
Owner DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI
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