Nitrogen-sulfur-doped nano-porous carbon material taking sodium alginate as raw material and preparation method of nitrogen-sulfur-doped nano-porous carbon material
A technology of nanoporous carbon and sodium alginate, which is applied in the direction of nanocarbon, nanotechnology, carbon compounds, etc., and can solve problems such as hindering practical application, poor rate performance and cycle stability
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Example Embodiment
[0027]Example 1:
[0028]A method for preparing a nitrogen doped nanoporous carbon material based on sodium alginate as raw materials, including the following steps:
[0029]1) The 2G alginate powder is slowly dissolved in 60 ml of a 60 ml deionized aqueous solution containing 0.5 g of thiourea, continuously stirring and forming a solution;
[0030]2) 3.91 g of calcium acetate is added to 20 ml of deionized water, slowly dropped into a sodium alginate thiourea solution to form a gel, continuously stirred for 1 h;
[0031]3) Press the gel freeze drying in step 2) and precipitated with liquid nitrogen before freeze drying;
[0032]4) Temperature carbon activation in step 3), then washed dried with hydrochloric acid and deionized water, i.e., the nitrogen-doped nanoporous carbon material prepared by freeze-free carbonization template method, wherein the carbonization temperature is 600 ° C. The time is 2 h, the drying temperature is 60 ° C, and the time is 12h.
[0033]Characterization of nitrogen doped...
Example Embodiment
[0037]Example 2:
[0038]A method for preparing a nitrogen doped nanoporous carbon material based on sodium alginate as raw materials, including the following steps:
[0039]1) The 2G alginate powder is slowly dissolved in 60 ml of a 60 ml deionized aqueous solution containing 0.6 g of thiourea, and continuously stir heating to form a solution;
[0040]2) 3.91 g of calcium acetate is added to 20 ml of deionized water, slowly dropped into a sodium alginate thiourea solution to form a gel, continuously stirred for 1 h;
[0041]3) Press the gel freeze drying in step 2) and precipitated with liquid nitrogen before freeze drying;
[0042]4) Temperature carbon activation in step 3), then washed dried with hydrochloric acid and deionized water, i.e., the nitrogen-doped nanoporous carbon material prepared by freeze-free carbonization template method, wherein the carbonization temperature is 600 ° C. The time is 5 h, the drying temperature is 80 ° C, and the time is 10 h.
[0043]After the prepared nitrogen d...
Example Embodiment
[0044]Example 3:
[0045]A method for preparing a nitrogen doped nanoporous carbon material based on sodium alginate as raw materials, including the following steps:
[0046]1) The 2G alginate powder is slowly dissolved in 60 ml of a 60 ml deionized aqueous solution containing 0.6 g of thiourea, and continuously stir heating to form a solution;
[0047]2) 3.91 g of calcium acetate is added to 20 ml of deionized water, slowly dropped into a sodium alginate thiourea solution to form a gel, continuously stirred for 1 h;
[0048]3) Press the gel freeze drying in step 2) and precipitated with liquid nitrogen before freeze drying;
[0049]4) Temperature carbon activation of the sample in step 3), and then washed with hydrochloric acid and deionized water, i.e., the nitrogen doped nanoporous carbon material prepared by lyophilization of the auxiliary carbonized template, wherein the carbonization temperature is 700 ° C. The time is 3 h, the drying temperature is 75 ° C, and the time is 10 h.
[0050]After t...
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.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap