Preparation method of melamine resin modified nitrogen-rich porous carbon fiber electrode material
A technology of porous carbon fiber and melamine resin, which is applied in the fields of fiber chemical characteristics, hybrid/electric double layer capacitor manufacturing, textile and papermaking, etc., can solve the problems of complicated production process and high production cost of porous nitrogen-containing carbon electrode materials, and achieve The effect of high specific capacitance per unit, improving production efficiency and high specific surface area
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0027] Add 5g of melamine into 15g of 37wt% formaldehyde solution, adjust the pH to about 9 with triethanolamine, stir in a water bath at 80°C for 40min, pour into cold methanol, precipitate out, filter, wash and dry.
[0028] Add 2g of polyacrylonitrile into 20g of N,N-dimethylformamide, dissolve and add 0.5g of the prepared melamine resin, and dissolve to obtain a spinning solution.
[0029] The melamine resin / polyacrylonitrile composite fiber was spun by high-voltage electrospinning technology, wherein the spinning voltage was 20kV, the injection speed was 0.3mm / min, the receiving distance was 17cm, the spinning temperature was 40°C, and the humidity was 30%.
[0030] The prepared composite fibers were pre-oxidized in an air atmosphere for 2 hours, the pre-oxidation temperature was 250°C, the heating rate was 5°C / min, and the cooling rate was 5°C / min.
[0031] The pre-oxidized fibers were carbonized for 2 hours under nitrogen or argon atmosphere, the carbonization temperat...
Embodiment 2
[0036] Add 5g of melamine into 15g of 37wt% formaldehyde solution, adjust the pH to about 9 with triethanolamine, stir in a water bath at 80°C for 40min, pour into cold methanol, precipitate out, filter, wash and dry.
[0037] Add 2 g of polyacrylonitrile into 18 g of N,N-dimethylformamide, dissolve it, add 1 g of the prepared melamine resin, and dissolve to obtain a spinning solution.
[0038] The melamine resin / polyacrylonitrile composite fiber was spun by high-voltage electrospinning technology, wherein the spinning voltage was 17kV, the injection speed was 0.1mm / min, the receiving distance was 20cm, the spinning temperature was 40°C, and the humidity was 30%.
[0039] The prepared composite fibers were pre-oxidized in an air atmosphere for 2 hours, the pre-oxidation temperature was 250°C, the heating rate was 5°C / min, and the cooling rate was 5°C / min.
[0040] The pre-oxidized fibers were carbonized for 2 hours under nitrogen or argon atmosphere, the carbonization tempera...
Embodiment 3
[0045] Add 5g of melamine into 15g of 37wt% formaldehyde solution, adjust the pH to about 9 with triethanolamine, stir in a water bath at 80°C for 40min, pour into cold methanol, precipitate out, filter, wash and dry.
[0046] Add 2 g of polyacrylonitrile into 18 g of N,N-dimethylformamide, dissolve it, add 1.5 g of the prepared melamine resin, and dissolve to obtain a spinning solution.
[0047] The melamine resin / polyacrylonitrile composite fiber was spun by high-voltage electrospinning technology, wherein the spinning voltage was 20kV, the injection speed was 0.5mm / min, the receiving distance was 20cm, the spinning temperature was 20°C, and the humidity was 30%.
[0048] The prepared composite fibers were pre-oxidized in an air atmosphere for 2 hours, the pre-oxidation temperature was 250°C, the heating rate was 3°C / min, and the cooling rate was 3°C / min.
[0049] The pre-oxidized fibers were carbonized for 2 hours under nitrogen or argon atmosphere, the carbonization tempe...
PUM
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, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com