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A kind of heteropolyacid/reduced graphene oxide/polypyrrole composite material and its preparation method and application

A composite material and heteropoly acid technology, which is applied in the field of heteropoly acid/reduced graphene oxide/polypyrrole composite material and its preparation, can solve the problems of difficult large-scale production and low output voltage of microbial fuel cell technology, and achieve increased Adhesion amount, improvement of electricity generation performance and pollutant removal performance, and the effect of facilitating electron transfer

Active Publication Date: 2022-02-11
深州市工程塑料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, microbial fuel cell technology still has problems such as low output voltage and difficulty in large-scale production.

Method used

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  • A kind of heteropolyacid/reduced graphene oxide/polypyrrole composite material and its preparation method and application
  • A kind of heteropolyacid/reduced graphene oxide/polypyrrole composite material and its preparation method and application
  • A kind of heteropolyacid/reduced graphene oxide/polypyrrole composite material and its preparation method and application

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Experimental program
Comparison scheme
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Embodiment 1

[0031] A preparation method of phosphomolybdic acid / reduced graphene oxide / polypyrrole composite material, comprising the steps of:

[0032] S1: Disperse 0.20g graphene oxide in 100mL deionized water, stir and ultrasonically disperse for 90min to prepare graphene oxide suspension; dissolve 2.00g phosphomolybdic acid in 60mL deionized water to prepare phosphomolybdic acid solution Get 2.28g (10.00mmol) ammonium persulfate and dissolve it in 25mL deionized water, stir to obtain ammonium persulfate solution, and add 2mL (30.00mmol) pyrrole dropwise to ammonium persulfate solution, stir and react to obtain pyrrole prepolymerization solution;

[0033] S2: Mix the above-mentioned graphene oxide suspension with phosphomolybdic acid solution, add 60 μL of isopropanol, and react in a photocatalytic reactor for 10 hours to prepare phosphomolybdic acid / reduced graphene oxide suspension;

[0034] S3: The above-mentioned pyrrole prepolymerization solution was mixed with the phosphomolybdi...

Embodiment 2

[0037] A preparation method of phosphomolybdic acid / reduced graphene oxide / polypyrrole composite material, comprising the steps of:

[0038]S1: Disperse 0.10g graphene oxide in 100mL deionized water, stir and ultrasonically disperse for 90min to prepare graphene oxide suspension; dissolve 1.00g phosphomolybdic acid in 60mL deionized water to prepare phosphomolybdic acid solution Get 3.42g (15.00mmol) ammonium persulfate and dissolve it in 25mL deionized water, stir to obtain ammonium persulfate solution, and add 3mL (45.00mmol) pyrrole dropwise to ammonium persulfate solution, stir and react to obtain pyrrole prepolymerization solution;

[0039] S2: Mix the above graphene oxide suspension with phosphomolybdic acid solution, add 90 μL of isopropanol, and react in a photocatalytic reactor for 8 hours to prepare phosphomolybdic acid / reduced graphene oxide suspension;

[0040] S3: The above-mentioned pyrrole prepolymerization solution was mixed with the phosphomolybdic acid / reduc...

Embodiment 3

[0043] A preparation method of phosphotungstic acid / reduced graphene oxide / polypyrrole composite material, comprising the steps of:

[0044] S1: Disperse 0.20g graphene oxide in 100mL deionized water, stir and ultrasonically disperse for 90min to prepare graphene oxide suspension; dissolve 2.00g phosphotungstic acid in 60mL deionized water to prepare phosphotungstic acid solution Get 2.28g (10.00mmol) ammonium persulfate and dissolve it in 25mL deionized water, stir to obtain ammonium persulfate solution, and add 2mL (30.00mmol) pyrrole dropwise to ammonium persulfate solution, stir and react to obtain pyrrole prepolymerization solution;

[0045] S2: Mix the above graphene oxide suspension with phosphotungstic acid solution, add 60 μL of isopropanol, and react in a photocatalytic reactor for 10 hours to prepare phosphotungstic acid / reduced graphene oxide suspension;

[0046] S3: The above-mentioned pyrrole prepolymerization solution was mixed with the phosphotungstic acid / red...

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Abstract

The invention relates to the technical field of microbial fuel cells, and specifically discloses a heteropolyacid / reduced graphene oxide / polypyrrole composite material and its preparation method and application. The preparation method comprises the following steps: mixing the graphene oxide suspension with the heteropoly acid solution, adding isopropanol, and undergoing a photocatalytic reaction to prepare the heteropoly acid / reduced graphene oxide suspension; The pre-polymerization solution is mixed with the heteropolyacid / reduced graphene oxide suspension, stirred and reacted to prepare the suspension of the heteropolyacid / reduced graphene oxide / polypyrrole composite material. The preparation method provided by the invention has simple process, convenient operation, low energy consumption, low cost, safety and environmental protection, and the obtained composite material has high specific surface area, high biocatalysis, high conductivity and good biocompatibility, and can improve microbial fuel cells Power generation performance and perchlorate removal performance.

Description

technical field [0001] The invention relates to the technical field of microbial fuel cells, in particular to a heteropolyacid / reduced graphene oxide / polypyrrole composite material and its preparation method and application. Background technique [0002] Under the dual pressure of environmental pollution and energy shortage, the emergence of microbial fuel cell (MFC) technology provides a new idea to solve these two problems. Microbial fuel cells have attracted people's attention due to their unique advantages of high efficiency, cleanliness and environmental protection, and have become a research hotspot in the field of environment. A microbial fuel cell is a device that uses microorganisms to directly convert chemical energy in organic matter into electrical energy, generating electrical energy while removing pollutants. [0003] However, microbial fuel cell technology still has problems such as low output voltage and difficulty in large-scale production. The anode of mi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M4/88H01M4/86H01M4/90H01M8/16
CPCH01M8/16H01M4/8647H01M4/9008H01M4/9083H01M4/88Y02E60/50
Inventor 郭延凯廉静赵娟牛艳艳马志远边永欢季飞
Owner 深州市工程塑料有限公司