Nitrogen-doped hollow carbon sphere composite and preparation method and application thereof
A technology of composite materials and hollow carbon spheres, applied in active material electrodes, electrical components, electrochemical generators, etc., can solve the problem of low capacitance, achieve low cost, simple polymerization method, and promote development
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Example Embodiment
[0037] Example 1
[0038] (1) 1 mmol of manganese acetate and 10 mmol of ammonium bicarbonate were dissolved in 30 mL of ethylene glycol solution, hydrothermally reacted at 180° C. for 12 h, cooled to room temperature, washed by centrifugation, and dried to obtain manganese carbonate microspheres.
[0039] (2) 100 mg of manganese carbonate microspheres and 100 mg of dopamine hydrochloride were dissolved in a Tris buffer solution with pH ≈ 8.5, and the reaction was carried out at room temperature, and then the reaction product was separated into solid and liquid, washed the solid, and dried to obtain a manganese carbonate / polydopamine complex.
[0040] (3) Under nitrogen protection, the manganese carbonate / polydopamine composite was calcined at 700 °C for 5 h, then cooled to 500 °C, and the reaction was continued for 2 h to obtain nitrogen-doped carbon-coated manganese oxide particles.
[0041] (4) The nitrogen-doped carbon-coated manganese oxide particles were treated with 0.5...
Example Embodiment
[0045] Example 2
[0046] (1) 1 mmol of manganese acetate and 12 mmol of ammonium bicarbonate were dissolved in 30 mL of ethylene glycol solution, hydrothermally reacted at 200° C. for 24 h, cooled to room temperature, washed by centrifugation, and dried to obtain manganese carbonate microspheres.
[0047] (2) 100 mg of manganese carbonate microspheres and 300 mg of dopamine hydrochloride were dissolved in a Tris buffer solution with pH ≈ 8.5, and the reaction was carried out at room temperature, and then the reaction product was separated from solid and liquid, the solid was washed, and dried to obtain a manganese carbonate / polydopamine complex.
[0048] (3) Under nitrogen protection, the manganese carbonate / polydopamine complex was calcined at 800 °C for 8 h, then cooled to 400 °C, and the reaction was continued for 3 h to obtain nitrogen-doped carbon-coated manganese oxide particles.
[0049] (4) The nitrogen-doped carbon-coated manganese oxide particles were treated with 0...
Example Embodiment
[0051] Example 3
[0052] (1) 1 mmol of manganese acetate and 8 mmol of ammonium bicarbonate were dissolved in 30 mL of ethylene glycol solution, and the hydrothermal reaction was carried out at 220 ° C for 12 h. After cooling to room temperature, centrifugal washing and drying were performed to obtain manganese carbonate microspheres.
[0053] (2) 100 mg of manganese carbonate microspheres and 200 mg of dopamine hydrochloride were dissolved in a Tris buffer solution with pH ≈ 8.5, and the reaction was carried out at room temperature, and then the reaction product was separated into solid and liquid, and the solid was washed and dried to obtain a manganese carbonate / polydopamine complex.
[0054] (3) Under nitrogen protection, the manganese carbonate / polydopamine composite was calcined at 700 °C for 6 h, then cooled to 500 °C, and the reaction was continued for 3 h to obtain nitrogen-doped carbon-coated manganese oxide particles.
[0055] (4) The nitrogen-doped carbon-coated m...
PUM
Property | Measurement | Unit |
---|---|---|
Concentration | aaaaa | aaaaa |
Specific surface area | aaaaa | aaaaa |
Particle size | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap