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Pseudomonas-anode photosynthetic solar fuel cell system and preparation method and application thereof

A fuel cell system and technology of Pseudomonas, applied in the field of plant-microbial fuel cells, can solve the problems of high inactivation rate of a single strain, low possibility of application, low operability, etc., and achieve high energy conversion efficiency , the reaction conditions are mild, and the effect of increasing the output power

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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  • Pseudomonas-anode photosynthetic solar fuel cell system and preparation method and application thereof
  • Pseudomonas-anode photosynthetic solar fuel cell system and preparation method and application thereof
  • Pseudomonas-anode photosynthetic solar fuel cell system and preparation method and application thereof

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Effect test

Embodiment 1

[0066] 1. Testing the relative abundance of microorganisms at the anode of the anode photosynthetic solar fuel cells (APFSCs) system under different pollution conditions

[0067] The specific implementation method of this embodiment is to find out the electrochemically active microorganisms with a large proportion and a large contribution by detecting and analyzing the operation of the anode photosynthetic solar fuel cell (APFSCs) system and the anode microbial community under different pollution conditions. Thereby, the electrochemically active microbial strains with stronger performance are screened out, and the reliability of the added strains of the present invention is verified. For the preparation method of the anode photosynthetic solar fuel cells (APFSCs) system described in this embodiment, see the same day application for the invention patent "a kind of anode Photosynthetic Solar Fuel Cell System".

[0068] Grouping experiments were carried out for different pollutio...

Embodiment 2

[0099] The materials required in this example are: Pseudomonas aeruginosa freeze-dried strains, nutrient broth liquid medium, sterile glycerin, normal saline, nutrient agar plates, and the Pseudomonas aeruginosa strains were purchased from Wuhan Water Country Environmental Science and Technology Co., Ltd.

[0100] 1. Strain cultivation steps:

[0101] (1) Recovery and rejuvenation of strains: use a straw to draw 0.3ml of nutrient broth liquid medium into the bottom of the bottle and blow it to make a bacterial suspension, suck out all the bacterial suspension, and inoculate the medium; dry Pseudomonas aeruginosa The strains were transferred to conical flasks containing 100ml nutrient broth liquid medium for recovery (the first generation), and cultured at a constant temperature in a shaker at 35°C for 18 hours to obtain the first generation culture; take 1ml of the first generation culture The material was inoculated into an Erlenmeyer flask equipped with 100ml of nutrient br...

Embodiment 3

[0105] This embodiment provides a Pseudomonas-anode photosynthetic solar fuel cell system, including 1-anode, 2-cathode, 3-typha aquatic plants, 4-resistance, 5-data collector, 6-water body, 7-soil and Pseudomonas aeruginosa. See the specific device figure 1 .

[0106] The preparation method of the Pseudomonas-anode photosynthetic solar fuel cell system of this embodiment comprises the following steps:

[0107] (1) Substrate production: take the soil of the riverside wetland after air-drying, grind and sieve to obtain the substrate for cultivating plants;

[0108] (2) plant material and propagation and cultivation: select cattail aquatic plants and place them in a container filled with sandy soil for cultivation;

[0109] (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 use biomass porous carbon to anode-modify the foamed nickel ele...

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Abstract

The invention discloses a pseudomonas-anode photosynthetic solar fuel cell system and a preparation method and application thereof. The fuel cell comprises an anode photosynthetic solar fuel cell, pseudomonas microorganisms and a resistor. The anode photosynthetic solar fuel cell is of a single-chamber structure and comprises soil, a water body, a green aquatic plant and two electrodes, wherein the root of the green aquatic plant penetrates through the water body and is arranged in the soil, one electrode is flatly laid in the soil to serve as an anode, the other electrode is flatly laid on the interface of the soil and the water body to serve as a cathode, the pseudomonas microorganisms are added to the root of the green aquatic plant, and the two ends of the resistor are connected with the anode and the cathode respectively. The fuel cell converts chemical energy contained in organic matters and inorganic matters into electric energy under the catalytic action of electrochemical active microorganisms and has the advantages of high energy conversion efficiency, mild reaction conditions, cleanness, no pollution and the like.

Description

technical field [0001] The invention relates to the field of plant-microbial fuel cells, in particular to a pseudomonas-anode photosynthetic solar fuel cell system and its preparation method and application. 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 ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M8/16B09C1/10
CPCB09C1/105H01M8/16Y02E60/50
Inventor 杨彦余应新陈浩佳高源李向南
Owner GUANGDONG UNIV OF TECH
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