Method for constructing composite material based on bean sprouts

A technology of composite materials and bean sprouts, which is applied in the manufacture of hybrid capacitor electrodes and hybrid/electric double-layer capacitors, etc., can solve problems such as cumbersome steps, difficult metal oxide attachment, and weak bonding between carbon materials and metal oxides. Achieve the effect of simple cultivation, convenient breeding and low price

Inactive Publication Date: 2021-04-30
上海卓笙环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This traditional preparation method has cumbersome steps, the bonding force between carbon materials and metal oxides is weak, and it is difficult to allow metal oxides to adhere to the pores of carbon materials.

Method used

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  • Method for constructing composite material based on bean sprouts
  • Method for constructing composite material based on bean sprouts

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] The invention provides a method for constructing a composite material based on bean sprouts. The bean sprouts are cultivated with a metal salt solution, so that the bean sprouts can absorb metal ions in living bodies, and after carbonization and activation, a composite electrode material of activated carbon and metal oxides is prepared. The preparation includes the following steps :

[0026] S1: Weigh a certain amount of soybeans, soak them in deionized water, drain the water after 10 hours, lay the soybeans flat on the seedling tray, cover with a clean towel; water 50mg / L FeCl once a day 3 Solution cultivation of bean sprouts, cultivation, and shading throughout the whole process; after 7-9 days of growth, live bean sprouts containing metal salts are obtained;

[0027] S2: Put the bean sprouts harvested in step S1 into an oven at 110°C for 24 hours of full dehydration; after the dehydrated bean sprouts are immersed in 20g / L KOH solution for 12h, put them in an oven at ...

Embodiment 2

[0030] The invention provides a method for constructing a composite material based on bean sprouts. The bean sprouts are cultivated with a metal salt solution, so that the bean sprouts can absorb metal ions in living bodies, and after carbonization and activation, a composite electrode material of activated carbon and metal oxides is prepared. The preparation includes the following steps :

[0031] S1: Weigh a certain amount of soybeans, soak them in deionized water, drain the water after 10 hours, lay the soybeans flat on the seedling tray, cover with a clean towel; water 60mg / L Fe(NO 3 ) 3 Solution cultivation of bean sprouts, cultivation, and shading throughout the whole process; after 7-9 days of growth, live bean sprouts containing metal salts are obtained;

[0032] S2: Put the bean sprouts harvested in step S1 into an oven at 110°C for 24 hours of full dehydration; after the dehydrated bean sprouts are immersed in 20g / L KOH solution for 12h, put them in an oven at 80°C ...

Embodiment 3

[0035] The invention provides a method for constructing a composite material based on bean sprouts. The bean sprouts are cultivated with a metal salt solution, so that the bean sprouts can absorb metal ions in living bodies, and after carbonization and activation, a composite electrode material of activated carbon and metal oxides is prepared. The preparation includes the following steps :

[0036] S1: Weigh a certain amount of soybeans, soak them in deionized water, drain the water after 10 hours, lay the soybeans flat on the seedling tray, cover with a clean towel; water 100mg / L FeCl once a day 3 Solution cultivation of bean sprouts, cultivation, and shading throughout the whole process; after 7-9 days of growth, live bean sprouts containing metal salts are obtained;

[0037] S2: Put the bean sprouts harvested in step S1 into an oven at 110°C for 24 hours of full dehydration; after the dehydrated bean sprouts are immersed in 40g / L KOH solution for 12h, put them in an oven at...

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Abstract

The invention discloses a method for constructing a composite material based on bean sprouts, and particularly relates to the field of supercapacitors. A metal salt solution is utilized to culture bean sprouts, so that living bean sprouts absorb metal ions, and after carbonization and activation, the composite electrode material of activated carbon and metal oxide can be prepared. Soybeans are irrigated and cultivated with a metal salt solution, living bean sprouts containing metal salt are cultivated by controlling the variety and concentration of a metal ion solution, living organisms contain metal ions, and then an electrode material of an activated carbon/metal oxide compound is directly prepared through carbonization and activation; bean sprouts which are low in price and extremely easy to meet the growth environment are adopted, and living biomass containing metal salt is obtained through a simple metal ion solution irrigation cultivation method, so that the supercapacitor electrode material is prepared.

Description

technical field [0001] The invention relates to the technical field of supercapacitors, and more specifically, the invention relates to a method for building composite materials based on bean sprouts. Background technique [0002] With the development of the economy, the consumption of coal and oil continues to increase, fossil fuel resources are gradually exhausted, and environmental pollution is becoming more and more serious. Therefore, the development and utilization of green renewable resources is the best solution to the above problems. Supercapacitors are considered as one of the most potential energy storage systems due to their wide application in portable devices, electric vehicles, and stationary energy storage systems. Compared with other energy storage systems, supercapacitors have three main advantages: high power density, fast charging and discharging, and long cycle life. [0003] In recent years, low-cost biomass-based porous carbon has become a hot spot o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01G11/86H01G11/46H01G11/32
CPCH01G11/86H01G11/46H01G11/32Y02E60/13
Inventor 席秋波王维君
Owner 上海卓笙环保科技有限公司
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