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Constructing method and device for single-chamber medium-free algae microbial fuel cell

A fuel cell and construction method technology, applied in the direction of biochemical fuel cells, chemical instruments and methods, biological water/sewage treatment, etc., can solve the problems of high cost, expensive electrode materials, and limiting the efficiency of microbial fuel cells, etc., to achieve simple installation, The effect of simple cultivation conditions and low cost

Inactive Publication Date: 2014-10-22
WUHAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The first problem is that the cost is too high, mainly including expensive electrode materials and catalysts, the need to add electron mediators and cathode electron acceptors, and the need for proton exchange membranes to distinguish cathode and anode reactions, etc.
At the same time, many microorganisms can only attach to the surface of the anode to generate electricity, which also limits the improvement of the efficiency of microbial fuel cells.

Method used

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  • Constructing method and device for single-chamber medium-free algae microbial fuel cell
  • Constructing method and device for single-chamber medium-free algae microbial fuel cell
  • Constructing method and device for single-chamber medium-free algae microbial fuel cell

Examples

Experimental program
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Effect test

Embodiment 1

[0028] A kind of construction method of single-chamber medial-free algae microbial fuel cell, its steps are:

[0029] A, screening of algae microorganisms, screening algae microorganisms in natural water body, its steps are:

[0030] 1) Enrichment of algae microorganisms: add 15mL of enrichment medium that has been sterilized at 121°C for 18 or 19 or 20 or 21 or 22 minutes into a 18mm×180mm glass test tube, insert 1mL of natural water sample, shake evenly, add 1mL of liquid paraffin sterilized under the same conditions, stuffed into a rubber stopper and sealed with a parafilm, put the sealed test tube in a constant temperature light incubator, under the condition of an illumination of 3000lux and a temperature of 28 or 29 or 30 or 31 or 32°C Cultivate for 7 or 8 or 9 or 10 days until the culture medium turns green, transfer 1 mL of the enriched culture medium to another test tube filled with freshly sterilized enriched culture medium, and repeat the above operation 4, 5 or 6 t...

Embodiment 2

[0042] A method for constructing a single-chamber medial-free algae microbial fuel cell, the steps of which are:

[0043] A, screening of algae microorganisms, screening algae microorganisms in natural water body, its steps are:

[0044] 1) Enrichment of algae microorganisms: add 15mL of enrichment medium that has been sterilized at 121°C for 18 or 19 or 20 or 21 or 22 minutes into a 18mm×180mm glass test tube, insert 1mL of natural water sample, shake evenly, add 1mL of liquid paraffin sterilized under the same conditions, stuffed into a rubber stopper and sealed with a parafilm, put the sealed test tube in a constant temperature light incubator, under the conditions of an illumination of 3000lux and a temperature of 28 or 29 or 30 or 31 or 32°C Cultivate for 7 or 8 or 9 or 10 days until the culture medium turns green, transfer 1 mL of the enriched culture medium to another test tube containing freshly sterilized enriched culture medium, and repeat the above operation 4, 5 or...

Embodiment 3

[0056] A method for constructing a single-chamber medial-free algae microbial fuel cell, the steps of which are:

[0057] A, screening of algae microorganisms, screening algae microorganisms in natural water body, its steps are:

[0058] 1) Enrichment of algae microorganisms: add 15mL of enrichment medium that has been sterilized at 121°C for 18 or 19 or 20 or 21 or 22 minutes into a 18mm×180mm glass test tube, insert 1mL of natural water sample, shake evenly, add 1mL of liquid paraffin sterilized under the same conditions, stuffed into a rubber stopper and sealed with a parafilm, put the sealed test tube in a constant temperature light incubator, under the conditions of an illumination of 3000lux and a temperature of 28 or 29 or 30 or 31 or 32°C Cultivate for 7 or 8 or 9 or 10 days until the culture medium turns green, transfer 1 mL of the enriched culture medium to another test tube containing freshly sterilized enriched culture medium, and repeat the above operation 4, 5 or...

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Abstract

The invention discloses a constructing method and a device for a single-chamber medium-free algae microbial fuel cell. The single-chamber medium-free algae microbial fuel cell is prepared by: A) a step of algae microorganism screening, namely a step including 1) algae microorganism enrichment, 2) separation and purification; and 3) algae microorganism screening to obtain an algae microorganism suspension; and C) a step of adding the obtained algae microorganism suspension into the device. The algae microorganism suspension is added into a glass container. An anode carbon rod and a cathode carbon rod are inserted into the glass container. The cathode carbon rod is coated with nitrocellulose. The anode carbon rod and the cathode carbon rod are connected to two ends of a resistance, an amperemeter and a voltmeter through wires. The amperemeter is connected in series between the anode carbon rod and the resistance through wires. The voltmeter is connected in series to the two ends of the resistance and the amperemeter through wires. One side of the anode carbon rod faces light. The method and the device have characteristics of simple operation, simple structure, using convenience, no need of proton exchange membranes and electronic media, high efficiency, and capability of degrading organic pollutants at the same time of effectively utilizing light energy to generate power.

Description

technical field [0001] The present invention relates to the field of biological energy, more specifically to a construction method of a single-chamber algae microbial fuel cell, and also relates to a single-chamber algae microbial fuel cell device, which can be used to treat domestic sewage and industrial organic waste water while generating electrical energy , can be used as a power supply. Background technique [0002] Microbial Fuel Cell (MFC) is a device that uses microorganisms to directly convert chemical energy in organic matter into electrical energy. Its basic working principle is: in the anaerobic environment of the anode chamber, the organic matter decomposes under the action of microorganisms and releases electrons and protons. The circuit is transmitted to the cathode to form a current, and the protons are transmitted to the cathode through the proton exchange membrane or free diffusion, and the electron acceptors get electrons at the cathode and are reduced an...

Claims

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Application Information

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IPC IPC(8): H01M8/16C02F3/34
CPCC02F3/322H01M8/16Y02E60/50Y02P70/50Y02W10/37
Inventor 周培疆潘可亮刘敏何婷何璇
Owner WUHAN UNIV
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