Nitrogen/sulfur co-doped porous carbon material as well as preparation method and application thereof
A porous carbon material and co-doping technology, applied in the field of doped carbon materials, can solve the problems of difficult quantitative regulation of porous carbon material pore structure, difficult efficient utilization of biomass resources, and difficulty in large-scale production, etc., and achieves excellent electrochemical performance. , the preparation method is simple and the cost is low
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0047]Weigh 3 grams of sodium lignosulfonate and 3 grams of potassium hydroxide and dissolve them in 20 mL of deionized water, stir evenly with a magnetic force to obtain a sodium lignosulfonate / potassium hydroxide spray solution; cut 0.3 g of melamine sponge into a cuboid shape, Put it in a closed container, use a spray gun to spray the sodium lignosulfonate / potassium hydroxide spray solution evenly on the sponge under the pressure of 5~7bars, and place it in an oven to dry for more than 24 hours to obtain a prefabricated product; transfer the prefabricated product In a tube furnace, under the protection of 40mL / min nitrogen, heat at a heating rate of 10°C / min, and calcinate at a high temperature of 700°C for 2 hours, and the black foam obtained after cooling is nitrogen / sulfur co-doped porous carbon Material.
[0048] The resulting nitrogen / sulfur co-doped porous carbon material was characterized by XRD, TEM, X-ray electron spectroscopy, Raman spectrum and BET, and the obtai...
Embodiment 2
[0051] Weigh 4 grams of sodium lignosulfonate and 3 grams of potassium hydroxide and dissolve them in 20 mL of deionized water, stir evenly to obtain sodium lignosulfonate / potassium hydroxide spray solution; cut 0.3 g of melamine sponge into a cuboid shape, Put it in a closed container, use a spray gun to spray the sodium lignosulfonate / potassium hydroxide spray solution evenly on the sponge under the pressure of 5~7bars, and place it in an oven to dry for more than 24 hours to obtain a prefabricated product; transfer the prefabricated product In a tube furnace, under the protection of 40mL / min nitrogen, heat at a heating rate of 10°C / min, calcinate at a high temperature of 700°C for 2 hours, cool to room temperature, pickle, wash with water until the pH is neutral, and dry , the obtained black foam is nitrogen / sulfur co-doped porous carbon material.
[0052] Characterize the obtained nitrogen / sulfur co-doped porous carbon material, the obtained results are as follows figure ...
Embodiment 3
[0054] Weigh 1 gram of sodium lignosulfonate and 3 grams of potassium hydroxide and dissolve them in 20 mL of deionized water, stir evenly with a magnetic force to obtain a sodium lignosulfonate / potassium hydroxide spray solution; cut 0.3 g of melamine sponge into a cuboid shape, Put it in a closed container, use a spray gun to spray the sodium lignosulfonate / potassium hydroxide spray solution evenly on the sponge under the pressure of 5~7bars, and place it in an oven to dry for more than 24 hours to obtain a prefabricated product; transfer the prefabricated product In a tube furnace, under the protection of 40mL / min nitrogen, heat at a heating rate of 10°C / min, calcinate at a high temperature of 700°C for 2 hours, cool to room temperature, pickle, wash with water until the pH is neutral, and dry , the obtained black foam is nitrogen / sulfur co-doped porous carbon material.
[0055] Characterize the obtained nitrogen / sulfur co-doped porous carbon material, the obtained results ...
PUM
| Property | Measurement | Unit |
|---|---|---|
| pore size | aaaaa | aaaaa |
| pore size | aaaaa | aaaaa |
| current efficiency | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
Login to View More