Method for manufacturing shape-controllable double-function hydrogel anode material for hybrid biological power source

A technology of biological power source and anode material, which is applied in the fields of hybrid capacitor electrodes, hybrid/electric double layer capacitor manufacturing, battery electrodes, etc. The effect of high biocompatibility and good capacitance

Active Publication Date: 2018-01-12
HARBIN ENG UNIV
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But supercapacitors cannot generate electricity by t

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  • Method for manufacturing shape-controllable double-function hydrogel anode material for hybrid biological power source
  • Method for manufacturing shape-controllable double-function hydrogel anode material for hybrid biological power source
  • Method for manufacturing shape-controllable double-function hydrogel anode material for hybrid biological power source

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[0019] The present invention mainly includes:

[0020] (1) Composite of nano carbon material and chitosan.

[0021] The carbon nano material and chitosan were dissolved in 1% acetic acid at a mass ratio of 1:10~10:1, and ultrasonically dispersed for 10 minutes; glutaraldehyde was added to cross-link the compound to obtain the carbon nano material and chitosan composite material, and centrifuged Separate, rinse, and vacuum dry at 40°C for 8 hours.

[0022] (2) Preparation of conductive polypyrrole-chitosan-carbon nanomaterial composite hydrogel.

[0023] The compound of pyrrole and nanocarbon-chitosan with a mass ratio of 20:1~5:1 is dissolved in a mixed solvent of water and ethanol, and dispersed uniformly by ultrasonic. Then add FeNO with the same mole number as pyrrole 3 ·9H 2 Mix with O, stir vigorously at 0-4°C for 30s, then let it stand, put in the current collector, and form an initial gel. The gel maintains growth at 25-30°C for 5-30 days. Through ethanol extraction, the rem...

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Abstract

The invention provides a method for manufacturing a shape-controllable double-function hydrogel anode material for a hybrid biological power source. According to the method, the hydrogel anode material is prepared by chitosan, carbon nanotube and polypyrrole, the hydrogel anode material can be taken as an anode material for the hybrid biological power source, so not only can biological electrons be generated, but also the biological electrons can be further stored, the hybrid biological power source has double functions of a microbiological fuel cell and a biological capacitor, the hydrogel three-dimensional material has open transparent large-hole structure through which mass transfer and attachment of microbes in the holes are facilitated, electrode biological compatibility is substantially improved through the chitosan, biomembranes are easy to hang, microbe attachment amount is enhanced, conductivity and electron storage capability are improved through CNT and polypyrrole, anode biological electrocatalytic activity and electron storage can be improved, and cell instantaneous output power is improved. The method is advantaged in that the process is simple, self-supporting can berealized to form multiple shapes, and the method has wide application prospects in actual applications.

Description

technical field [0001] The invention relates to a preparation method of a biological power source anode material, in particular to a preparation method of a three-dimensional porous hydrogel anode material with dual functions of generating and storing electrons. Background technique [0002] In recent years, the problems of energy shortage and environmental degradation have gradually intensified, and the research, development and utilization of waste biomass energy, especially the chemical energy of organic matter in wastewater, have attracted much attention. The microbial fuel cell is an electrochemical power generation device that uses microorganisms to degrade organic matter to generate electricity. MFC is of great help to the sustainability of water resource utilization, and at the same time provides a new idea for wastewater treatment. Wastewater generally requires continuous treatment, so microbial fuel cells will continue to generate electricity, but as fuel cells, th...

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Application Information

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IPC IPC(8): H01G11/86H01G11/24H01G11/48H01M4/86H01M4/88
CPCY02E60/50
Inventor 温青陈野齐丽娟王宇阳王奥林刘涵锐
Owner HARBIN ENG UNIV
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