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Anode photosynthetic solar fuel cell system additionally provided with degrading strain and application thereof

A fuel cell system and fuel cell technology, applied in the field of plant-microbial fuel cells, can solve the problems of low operability, high inactivation rate of a single strain, low possibility of application, etc., and achieve mild reaction conditions and good application Prospect, effect of good degradation performance

Inactive Publication Date: 2020-07-17
GUANGDONG UNIV OF TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] The environmental remediation function of the anode photosynthetic solar fuel cell (APSFCs) system is mostly focused on wastewater treatment, and single strains such as electrochemically active microorganisms and characteristic pollutant-degrading bacteria are often used to inoculate. Although good degradation and electricity production efficiency have been achieved, However, its application in the real environment is less likely
In the natural environment, the inactivation rate of a single strain is high and the operability is low

Method used

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  • Anode photosynthetic solar fuel cell system additionally provided with degrading strain and application thereof
  • Anode photosynthetic solar fuel cell system additionally provided with degrading strain and application thereof
  • Anode photosynthetic solar fuel cell system additionally provided with degrading strain and application thereof

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Effect test

Embodiment 1

[0065] In this example, by analyzing the operation of the anode photosynthetic solar fuel cell (APFSCs) system under different pollution conditions, the anode microbial community of the fuel cell is detected and analyzed, and the degrading bacteria with a large content proportion and a large contribution to the degradation of pollutants are found , to verify the reliability of the added degrading bacteria studied in the present invention.

[0066] This example studies the response of the anode microbial community in an anode photosynthetic solar fuel cell (APFSCs) system under various pollution conditions under natural conditions.

[0067] The soil matrix taken is natural river sediment, and the characteristic pollutants Cr, NO 3 -N experiment groups with different pollutant concentrations to explore their environmental remediation effects.

[0068] Grouping experiments were carried out for different pollution conditions, and the overall experimental grouping conditions are s...

Embodiment 2

[0084] This embodiment provides an anode photosynthetic solar fuel cell system with an external degradative strain, including 1-anode, 2-cathode, 3-typha aquatic plants, 4-resistance, 5-data collector, 6-water body, 7-soil and Testosterone from Trichomonas sp. See the specific device figure 1 .

[0085] The preparation method of the anode photosynthetic solar fuel cell system with the addition of degradative strains in this embodiment comprises the following steps:

[0086] (1) Substrate production: take the soil of the riverside wetland after air-drying, grind and sieve to obtain the substrate for cultivating plants;

[0087] (2) plant material and propagation and cultivation: select cattail aquatic plants and place them in a container filled with sandy soil for cultivation;

[0088] (3) Construct a single-chamber battery anode containing microorganisms: use an opaque and non-conductive container as a reactor, use foamed nickel materials for both the anode and cathode, and...

Embodiment 3

[0093] A method of adding degradative strains designed in this embodiment to promote the decontamination performance of anode photosynthetic solar fuel cells, the cultured Comamonas (Comamonadaceae sp) and Bacillus (Bacillus sp) are inoculated into the microbial fuel In the vicinity of the anode of the battery, in this example, the effect of Comamonadaceae microorganisms and Bacillus sp microorganisms on the power generation and soil decontamination performance of anode photosynthetic solar fuel cells (APFSCs) was studied.

[0094] Select testosterone from Trichomonas, Bacillus megaterium suspension, mixed nutrient solution, buffer solution, stir evenly, and mix into the natural river sediment.

[0095] Specifically, the concentration of testosterone from Trichomonas and Bacillus megaterium suspensions was 7×10 6 cfu / L, nutrient solution components include glucose 1g / L, potassium chloride 0.25g / L, ammonium chloride 0.3g / L, sodium chloride 4g / L, calcium chloride 0.02g / L. The b...

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Abstract

The invention discloses an anode photosynthetic solar fuel cell system additionally provided with degradation strains and application thereof. According to the anode photosynthetic solar fuel cell system, at least one of additionally added degrading bacteria, namely comamonas or bacillus, is added, and the abundance of electrochemical active microorganisms in soil is improved in a manner of externally connecting the degrading strain so that the capability of degrading surrounding environmental pollutants is improved, and the system has a good application prospect in treating Cr and NO3-N pollution in the soil.

Description

technical field [0001] The invention relates to the field of plant-microbial fuel cells, in particular to an anode photosynthetic solar fuel cell system and application thereof. Background technique [0002] Microbial fuel cell is a new type of device that converts chemical energy in organic or inorganic substances directly into electrical energy by using microorganisms as catalysts. The basic principle is: microorganisms in the anode area generate electrons through substrate metabolic activities, and electrons pass from the anode through wires and external resistance. [0003] Electricity generation and pollutant degradation are two basic functions of microbial fuel cells (MFCs), and they are also the most attractive advantages of microbial fuel cells (MFCs) as a new type of environmental governance and energy technology. A large number of studies have shown that: compared with general anaerobic biodegradation technology, microbial fuel cells (MFCs) have a more efficient a...

Claims

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Application Information

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IPC IPC(8): H01M8/16H01M8/0241H01M8/0234H01M8/0232B09C1/10
CPCB09C1/105H01M8/0232H01M8/0234H01M8/0241H01M8/16Y02E60/50
Inventor 杨彦陈浩佳李向南林桂月
Owner GUANGDONG UNIV OF TECH
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