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Method for regulating and controlling porous carbon prepared by high internal phase emulsion template method through aldose

A technology of high internal phase emulsion and template method, which is applied in the preparation/purification of carbon, can solve the problems of unsatisfactory health, environmental protection and sustainable development, and achieve the effect of controllable pore size and distribution, and simple preparation method

Active Publication Date: 2021-06-11
FUZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, most of the monomers used in polymer materials come from non-renewable petroleum or petrochemical products, which do not satisfy people's concept of health, environmental protection and sustainable development.

Method used

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  • Method for regulating and controlling porous carbon prepared by high internal phase emulsion template method through aldose
  • Method for regulating and controlling porous carbon prepared by high internal phase emulsion template method through aldose
  • Method for regulating and controlling porous carbon prepared by high internal phase emulsion template method through aldose

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] First, dissolve melamine, glucose, formaldehyde solution, hydrochloric acid, anhydrous sodium carbonate and Tween 20 in deionized water to obtain an aqueous phase, the mass fraction of Tween 20 in the aqueous phase is 10%, and anhydrous sodium carbonate in the aqueous phase The mass fraction of glucose and formaldehyde is 0.03%, the mass ratio of glucose and formaldehyde is 0:5, the molar ratio of melamine and formaldehyde is 1:10.8, and the mass fraction of formaldehyde solution is 37%; Slowly drop toluene into water under the condition of mechanical stirring phase (dropping within 2 hours), continue to stir for 2 hours after the addition is completed to obtain an oil-in-water type high internal phase emulsion with an internal phase volume fraction of 75%; after sealing, carry out polymerization reaction at 80 ° C, and obtain a solid block after 24 hours of reaction The crude product was Soxhlet-extracted in absolute ethanol for 12 hours, the inner phase was removed, an...

Embodiment 2

[0035] Example 2: The specific experimental steps are the same as in Example 1, and the mass ratio of glucose to formaldehyde in the aqueous phase of the prepared high internal phase emulsion is 1:5. The number is gc1 / 5.

Embodiment 3

[0036] Example 3: The specific experimental steps are the same as in Example 1, and the mass ratio of glucose to formaldehyde in the aqueous phase of the prepared high internal phase emulsion is 2:5. The number is gc2 / 5.

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Abstract

The invention belongs to the technical field of high polymer material preparation, and particularly relates to a method for regulating and controlling porous carbon prepared by a high internal phase emulsion template method through aldose. The preparation method comprises the following steps: dissolving a surfactant, a monomer and a catalyst in deionized water to obtain a water phase, slowly dropwise adding an oil phase into the water phase under a mechanical stirring condition to obtain an oil-in-water type high internal phase emulsion, and then carrying out a polymerization reaction to obtain a solid blocky crude product; and removing an internal phase through Soxhlet extraction, performing vacuum drying to obtain a porous polymer precursor, and performing carbonization and activation to obtain the porous carbon material. The supercapacitor prepared by taking the porous carbon prepared by the aldose pair high internal phase emulsion template method as the electrode material shows good electrochemical performance.

Description

technical field [0001] The invention belongs to the technical field of polymer material preparation, and in particular relates to a control method of aldose on porous carbon prepared by a high internal phase emulsion template method. Background technique [0002] Climate change and the limited supply of fossil fuels have greatly affected the world economy and ecology. With the rapid growth of the market for portable electronic devices and the development of hybrid vehicles, the demand for environmentally friendly high-power energy sources has been increasing. Supercapacitors, also known as electrochemical capacitors or supercapacitors, have attracted much attention due to their pulsed power supplies, long cycle life (>100,000 cycles), simple principle, and high dynamics of charge propagation. Generally, based on the energy storage mechanism, supercapacitors can be divided into two categories. One is the electric double-layer capacitor (EDLC), whose capacitance comes fro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B32/05
CPCC01B32/05Y02E60/13
Inventor 赵玉来王安君肖龙强侯琳熙
Owner FUZHOU UNIV
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