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Porous carbon material loaded with transition metal oxide as well as preparation method and application of porous carbon material

A technology of porous carbon materials and transition metals, applied in chemical instruments and methods, iron oxide, cobalt compounds, etc., to achieve the effects of adjustable morphology, avoiding pollution and corrosion, and large surface modifiable characteristics

Active Publication Date: 2021-11-26
SHANDONG JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when used as a catalyst, there is still a lot of room for improvement in terms of conductivity and dispersion.

Method used

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  • Porous carbon material loaded with transition metal oxide as well as preparation method and application of porous carbon material
  • Porous carbon material loaded with transition metal oxide as well as preparation method and application of porous carbon material
  • Porous carbon material loaded with transition metal oxide as well as preparation method and application of porous carbon material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] Example 1 Preparation of boric acid / CuO-porous carbon / glassy carbon electrode

[0044] (1) Preparation of CuO-porous carbon

[0045] Mix 1 g of coal tar pitch (purchased from Hebei Fengtaiyuan Energy Technology Co., Ltd.), 3 g of sodium chloride, and 1 g of basic copper carbonate, dissolve it in 50 mL of nitrogen-methylpyrrolidone solution, and stir it magnetically for 3 h at 80 ° C. The solvent in the reaction system was evaporated to dryness to obtain a gray-black solid. Among them, the solubility of coal tar pitch in nitrogen methyl pyrrolidone is 20g / L.

[0046] The gray-black solid was placed in a nitrogen atmosphere, the heating rate was controlled to be 3°C / min, raised to 700°C, and the high temperature was maintained at 700°C for 3 hours to obtain a black solid. The black solid was washed with deionized water, filtered, and vacuum-dried to obtain 1.5 g of porous carbon material loaded with copper oxide, namely CuO-porous carbon, which had a hierarchical pore s...

Embodiment 2

[0057] Example 2 boric acid / Co 3 o 4 - Preparation of porous carbon / glassy carbon electrodes

[0058] (1) Preparation of Co 3 o 4 - porous carbon

[0059] 2g of petroleum pitch (purchased from Hebei Fengtaiyuan Energy Technology Co., Ltd.), 8g of potassium chloride and 4g of basic cobalt carbonate were mixed, dissolved in 80mL of tetrahydrofuran solution, and magnetically stirred at 100°C for 5h. The solvent in the reaction system was evaporated to dryness to obtain a gray-black solid. Among them, the solubility of petroleum pitch in tetrahydrofuran is 25g / L.

[0060] Place the gray-black solid in a nitrogen atmosphere, control the heating rate to 5°C / min, raise it to 800°C, and maintain the high temperature of 800°C for 4h to obtain a black solid. The black solid was washed with deionized water, filtered, and vacuum-dried to obtain 4.7g of porous carbon materials loaded with tricobalt tetroxide, i.e. Co 3 o 4 - Porous carbon, the composite carbon material has a hierar...

Embodiment 3

[0066] Embodiment 3 boric acid / Fe 2 o 3 - Preparation of porous carbon / glassy carbon electrodes

[0067] (1) Preparation / Fe 2 o 3 - porous carbon

[0068] 2g of petroleum pitch (purchased from Hebei Fengtaiyuan Energy Technology Co., Ltd.), 8g of potassium chloride and 4g of iron carbonate were mixed, dissolved in 80mL of tetrahydrofuran solution, and magnetically stirred at 100°C for 5h. The solvent in the reaction system was evaporated to dryness to obtain a gray-black solid. Among them, the solubility of petroleum pitch in tetrahydrofuran is 25g / L.

[0069] Place the gray-black solid in a nitrogen atmosphere, control the heating rate to 5°C / min, raise it to 800°C, and maintain the high temperature of 800°C for 4h to obtain a black solid. The black solid was washed with deionized water, filtered, and vacuum-dried to obtain 4.5 g of porous carbon materials loaded with iron oxide, namely Fe 2 o 3 - Porous carbon, the composite carbon material has a hierarchical pore st...

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Abstract

The invention discloses a porous carbon material loaded with transition metal oxide as well as a preparation method and application thereof, and belongs to the technical field of carbon nanomaterials. The composite carbon material loaded with the transition metal oxide has a hierarchical pore structure, and is prepared by mixing a carbon source, an activating agent and transition metal salt according to a certain proportion, fully reacting and carrying out high-temperature calcination treatment. The composite carbon material can be used as an electrode material for preparing an electrode, and can be used for carrying out specific recognition and detection on biomolecules containing cis-dihydroxyl.

Description

technical field [0001] The invention belongs to the technical field of carbon nanomaterials, and in particular relates to a porous carbon material loaded with transition metal oxides, a preparation method and application thereof. Background technique [0002] The electrode material is the main factor determining the electrochemical performance. Porous carbon materials have high specific surface area, excellent electronic conductivity, high chemical stability, wide working temperature range, wide working potential range and relative Advantages such as lower cost are widely used in electrochemical sensing, energy storage, batteries and other fields. At present, the research on porous carbon materials with hierarchical pore structure mainly focuses on the preparation of porous carbon materials with high specific surface area, reasonable pore size distribution and small internal resistance. The electrochemical performance of electrode materials is the result of the combined eff...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B32/348C01B32/354C01G3/02C01G9/02C01G49/06C01G51/00C01G51/04C01G53/04H01G11/26H01G11/32H01G11/86
CPCC01B32/348C01B32/354C01G3/02C01G51/04C01G49/06C01G9/02C01G51/40C01G53/04H01G11/86H01G11/26H01G11/32C01P2002/72C01P2004/03C01P2004/80
Inventor 丁永玲孙华东庞来学张京楼
Owner SHANDONG JIAOTONG UNIV
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