A kind of method that carbonization enteromorpha prepares supercapacitor electrode material

An electrode material and prolifera technology, which is applied in the field of supercapacitor electrode material preparation to achieve the effects of cheap raw materials, wide sources and temperature controllable

Inactive Publication Date: 2017-02-15
YANTAI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] At present, there are no relevant reports on the preparation of supercapacitor electrode materials by carbonizing Enteromorpha at home and abroad.

Method used

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  • A kind of method that carbonization enteromorpha prepares supercapacitor electrode material
  • A kind of method that carbonization enteromorpha prepares supercapacitor electrode material
  • A kind of method that carbonization enteromorpha prepares supercapacitor electrode material

Examples

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example 1

[0025] The cleaned enteromorpha was vacuum freeze-dried for 48 hours until completely dry. Put the completely dried sample in a special tubular resistance furnace, raise the temperature to 950°C under the protection of nitrogen atmosphere, and carbonize at constant temperature for 3 hours, take out the carbide at room temperature, wash until the filtrate is colorless, and then place the carbide in hydrochloric acid solution Ultrasonic dispersion, followed by magnetic stirring at 60°C for 12 hours, suction filtration with deionized water until the filtrate was neutral, and finally the product was vacuum-dried to obtain the desired porous activated carbon material. Grind the prepared activated carbon sample into powder, mix the activated carbon material and the binder PVDF at a ratio of 9:1, add a small amount of N-methylpyrrolidone dropwise to prepare a viscous slime, and use graphite paper as the current collector , the viscous mud was loaded on graphite paper, and the activat...

example 2

[0027] The cleaned enteromorpha was vacuum freeze-dried for 48 hours until completely dry. Put the completely dried sample in a special tubular resistance furnace, raise the temperature to 600°C under the protection of nitrogen atmosphere, and carbonize at constant temperature for 3 hours. Take out the carbide at room temperature, wash until the filtrate is colorless, and then place the carbide in hydrochloric acid solution Ultrasonic dispersion, followed by magnetic stirring at 60°C for 12 hours, suction filtration with deionized water until the filtrate was neutral, and finally the product was vacuum-dried to obtain the desired porous activated carbon material. Grind the prepared activated carbon sample into powder, mix the activated carbon material and the binder PVDF at a ratio of 9:1, add a small amount of N-methylpyrrolidone dropwise to prepare a viscous slime, and use graphite paper as the current collector , the viscous mud was loaded on graphite paper, and the activat...

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Abstract

A method for using carbonized Enteromorpha to prepare supercapacitor electrode material. The invention belongs to the technical field of preparation of supercapacitor electrode materials in functional materials, and particularly relates to a method for using Enteromorpha as raw material to prepare carbon material through high-temperature pyrolysis (carbonization). The method is characterized by using the technology of preparing active carbon material through biomass carbonization. The method that is adopted is as follows: after performing vacuum freeze drying on Enteromorpha, high temperature carbonization treatment is performed under gas protection, and active carbon material is obtained after washing and drying. The active carbon material prepared by the invention has the advantages that raw material is easy to get, waste materials are utilized, preparation technology is simple, and the specific area is large. When the active carbon material is prepared into a supercapacitor electrode, good electrochemical stability and typical double-electrical-layer capacitance performance are achieved, and recycling value of Enteromorpha and application potential in the field of energy utilization are shown.

Description

technical field [0001] The invention belongs to the technical field of preparation of supercapacitor electrode materials in functional materials, and in particular relates to a method for preparing carbon-based materials by carbonizing enteromorpha as supercapacitor electrode materials. Background technique [0002] In recent years, supercapacitors have shown unprecedented application prospects in the fields of electronic communications, aerospace, military defense, and new energy vehicles due to their excellent charge and discharge performance, high specific power, and high capacity superior to traditional capacitors. Electrode material is one of the key factors determining the performance of supercapacitors. Carbon materials have received extensive attention and research in the field of energy materials due to their excellent electrical conductivity and the characteristics of forming porous structures. The raw materials for the preparation of carbon materials come from a w...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01G11/44H01G11/34
CPCY02E60/13
Inventor 杜伟张永刚许克曹焕苹鞠翔宇
Owner YANTAI UNIV
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