CN105552417A - Indium tin oxide (ITO) glass based microbial fuel cell capable of real-time sampling and fabrication method of microbial fuel cell - Google Patents
Indium tin oxide (ITO) glass based microbial fuel cell capable of real-time sampling and fabrication method of microbial fuel cell Download PDFInfo
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- CN105552417A CN105552417A CN201610063475.4A CN201610063475A CN105552417A CN 105552417 A CN105552417 A CN 105552417A CN 201610063475 A CN201610063475 A CN 201610063475A CN 105552417 A CN105552417 A CN 105552417A
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- anode chamber
- glass
- ito
- chamber
- fuel cell
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/16—Biochemical fuel cells, i.e. cells in which microorganisms function as catalysts
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The invention relates to an indium tin oxide (ITO) glass based microbial fuel cell capable of real-time sampling and a fabrication method of the microbial fuel cell. The microbial fuel cell comprises a cathode chamber and an anode chamber, wherein the cathode chamber is loaded with a cathode liquid, the anode chamber is loaded with an anode liquid, a salt bridge is connected between the cathode chamber and the anode chamber, the bottoms of the cathode chamber and the anode chamber are respectively fixed at the two edges of the upper surface of a substrate, the substrate is a glass plate with insulation glass at the middle and ITO conductive glass at the two edges, an ITO conductive layer at one edge of the substrate is provided with a cathode plate at the bottom of the cathode chamber, an ITO conductive layer at one edge of the substrate is provided with an anode plate at the bottom of the anode chamber, the cathode plate and the anode plate are connected in series with a resistor through a guide, and the two ends of the resistor are connected in parallel with voltmeters. The microbial fuel cell disclosed by the invention has the advantages of novel design, simplicity in structure and low fabrication cost, and is easy to fabricate, the structure is very firm and durable and is easy to clean, the formation and the morphological change of bacterial colony can be conveniently observed, and the sampling is facilitated.
Description
Technical field
The present invention relates to a kind of can real-time sampling microbiological fuel cell and preparation method thereof based on ito glass.
Background technology
Microbe such as corrupt Shiva bacterium, Escherichia coli etc. can produce electronics, if lasting output of these electron collection being got up is exactly microbiological fuel cell in its metabolic process.Microbiological fuel cell is a kind of using microbe as catalyst, and the oxidation operation in waste water is produced the device of electric energy.In this electricity generation process, the organic substance in microbes decomposition water comprises oil product, food residue, acid, antibiotic etc., and play catharsis to water quality and export electric energy simultaneously, therefore microbiological fuel cell is a kind of energy sources of environmental protection.
Microbiological fuel cell is formed primarily of anode chamber and cathode chamber two part, and microbe is positioned in the anode chamber of battery, is attached on the positive plate bottom anode chamber, is full of organic solution for microbial decomposition in anode chamber.In the process of decomposing, Microbiological release goes out electronics and is passed to anode, then is delivered to negative electrode by external circuit, thus forms electric current.The proton simultaneously produced with electronics in course of reaction enters cathode chamber from anode chamber through proton exchange membrane or salt bridge, and generates water at negative electrode and oxygen and electronics.
Often adopt carbon paper, carbon felt, graphite etc. to be used for conduction electron as anode traditionally, the material that these materials have is softer, and what have will carry out segmentation and could use, and is unfavorable for the making of the microbiological fuel cell of integration.The research of current microbiological fuel cell is comparatively popular, is light-proof material with upper electrode material, cannot observe the colonial morphology change of microbe from the bottom of fuel cell; Technique relative complex when soft material and graphite material making microbiological fuel cell, consuming time many, the anode of soft material is unfavorable for the derivation of electric current.Therefore, traditional microbiological fuel cell cost of manufacture is high, complex manufacturing process.
In addition, microbiological fuel cell traditionally often adopts enclosed design, is unfavorable in cell operation, carries out Real-time Collection research to microbe and metabolite thereof, is also unfavorable for the replacing of microbe and supplements.
Summary of the invention
In view of the deficiencies in the prior art, technical problem to be solved by this invention be to provide a kind of modern design, structure simple, make easily, cost of manufacture is low can real-time sampling microbiological fuel cell and preparation method thereof based on ito glass.
In order to solve the problem, a technical scheme of the present invention is: a kind of can real-time sampling microbiological fuel cell based on ito glass, comprise the cathode chamber that catholyte is housed and the anode chamber that anolyte is housed, salt bridge is connected with between described cathode chamber and anode chamber, the both sides of substrate upper surface are separately fixed at bottom described cathode chamber and anode chamber, described substrate is one piece of centre is insulating glass, both sides are the glass plate of ITO electro-conductive glass, one side ITO conductive layer of described substrate is set to the minus plate bottom cathode chamber, one side ITO conductive layer of described substrate is set to the positive plate bottom anode chamber, described minus plate and positive plate are in series with resistance by guiding, described resistance two ends are parallel with potentiometer, described anode chamber sidewall is equipped with anolyte probe tube, and the upper cover plate of described anode chamber is provided with microbe sampling and breather pipe, and the lower end of described microbe sampling and breather pipe is stretched in anode chamber, and the upper end of described microbe sampling and breather pipe is provided with stopper.
Preferably, the catholyte of described cathode chamber is potassium ferricyanide solution, and the anolyte of described anode chamber is organic solution.
Preferably, described cathode chamber and anode chamber are plastic cylinder.
Preferably, described salt bridge is the plastic tube that solidified inside has salt bridge solution.
In order to solve the problem, another technical scheme of the present invention is: a kind of can the manufacture method of real-time sampling microbiological fuel cell based on ito glass, comprise the following steps:
(1) a monoblock rectangle ITO electro-conductive glass is got, the ITO conductive layer surface on both sides is coated with vaseline, monolithic glass is steeped the ITO conductive layer removing mid portion into hydrochloric acid, take out glass and wash away the vaseline on both sides with acetone, obtaining the substrate only having insulating glass in the middle of a slice, there is ITO electro-conductive glass on both sides;
(2) get two plastic cylinders respectively as anode chamber and cathode chamber, the respective side equal-height position relative with cathode chamber in anode chamber makes a call to a hole, is used for connecting salt bridge;
(3) get a plastic tube, toward wherein inputting hot salt bridge solution, and after allowing salt bridge solution cooled and solidified form salt bridge, salt bridge two ends are individually fixed in the hole of anode chamber and cathode chamber, make salt bridge jointed anode room and cathode chamber;
(4) being separately fixed at bottom cathode chamber and anode chamber in the part of substrate the right and left conduction, the ITO electro-conductive glass on the substrate left side is minus plate, and the ITO electro-conductive glass on the right of substrate is positive plate;
(5) make a call to a hole again in the side of anode chamber, anolyte probe tube is installed in hole, be used for gathering anolyte;
(6) upper cover plate in anode chamber installs microbe sampling and breather pipe, and the lower end of microbe sampling and breather pipe is stretched in anode chamber, and the upper end stopper of microbe sampling and breather pipe clogs;
(7) in cathode chamber, being loaded as the potassium ferricyanide solution of catholyte, in anode chamber, being loaded as the organic solution of anolyte, carrying out metabolism generation electric energy for cultivating microbe;
(8) be communicated with minus plate and positive plate, a resistance that wire is connected with wire, at resistance two termination potentiometer, export for recording voltage and observe the electrogenesis situation of battery.
Compared with prior art, the present invention has following beneficial effect: on same ito glass, construct the anode of microbiological fuel cell and negative electrode and they are integrated in anode chamber and cathode chamber.The manufacture method of this employing one piece of ito glass does not need the substrate of anode chamber and cathode chamber to separate, and be the design of integration, it makes microbiological fuel cell firmer.Ito glass is transparent, when therefore building bottom anode chamber with it, can observe formation and the metamorphosis of bacterial clump from bottom.As a kind of rigid material, ito glass can conveniently connect wire output current.Glass material is conducive to processing in addition, is conducive to the making of fuel cell.
The present invention can antianode liquid real time sample easily, and can not because of the metabolism of sampling interference microbe.As long as open stopper, just anolyte analysis can be obtained from anolyte probe tube.If gather microbiological specimens, solution containing microbe can be drawn from microbe sampling and breather pipe.This design is very easy to the sample analysis of microbiological fuel cell.If add anolyte also to be sampled by microbe and breather pipe has come, maintain the long-time running of fuel cell.
The design of this microbiological fuel cell is very succinct, minus plate and positive plate one-body molded, be made by same ito glass, therefore the structure of battery is very sturdy and durable.Owing to adopting ito glass to be easy to clean up, therefore battery can Reusability, cultivates different bacteriums.The material price adopted is cheap, and biological fuel cell is easy to make.
Accompanying drawing explanation
Fig. 1 is can the structural representation of real-time sampling microbiological fuel cell based on ito glass.
Fig. 2 is the coating vaseline schematic diagram of ITO electro-conductive glass.
Fig. 3 is can the voltage output curve diagram of real-time sampling microbiological fuel cell based on ito glass.
Mark in figure: 1, cathode chamber; 2, catholyte; 3, ito glass minus plate; 4, wire; 5, resistance; 6, potentiometer; 7, ito glass positive plate; 8, microbe; 9, anolyte probe tube; 10, anolyte; 11, anode chamber; 12, microbe sampling and breather pipe; 13, stopper; 14, salt bridge; The part of A, coating vaseline; The part of B, uncoated vaseline.
Embodiment
In order to allow above-mentioned feature and advantage of the present invention become apparent, special embodiment below, and coordinate accompanying drawing, be described in detail below.
As shown in Figure 1, a kind of can real-time sampling microbiological fuel cell based on ito glass, comprise the cathode chamber 1 that catholyte 2 is housed and the anode chamber 11 that anolyte 10 is housed, salt bridge 14 is connected with between described cathode chamber 1 and anode chamber 11, the both sides of substrate upper surface are separately fixed at bottom described cathode chamber 1 and anode chamber 11, described substrate is one piece of centre is insulating glass, both sides are the glass plate of ITO electro-conductive glass, one side ITO conductive layer of described substrate is set to the minus plate 3 bottom cathode chamber 1, one side ITO conductive layer of described substrate is set to the positive plate 7 bottom anode chamber 11, described minus plate 3 is in series with resistance 5 with positive plate 7 by guiding, described resistance 5 two ends are parallel with potentiometer 6, described anode chamber 11 sidewall is equipped with anolyte 10 probe tube 9, the upper cover plate of described anode chamber 11 is provided with microbe sampling and breather pipe 12, the lower end of described microbe sampling and breather pipe 12 is stretched in anode chamber 11, and the upper end of described microbe sampling and breather pipe 12 is provided with stopper 13.
In embodiments of the present invention, the catholyte 2 of described cathode chamber 1 is potassium ferricyanide solution, and the anolyte 10 of described anode chamber 11 is organic solution.In order to reduce material cost, described cathode chamber 1 and anode chamber 11 are plastic cylinder, and described salt bridge 14 has the plastic tube of salt bridge solution for solidified inside.
If gather the metabolite that the anolyte 10 of anode chamber 11 is used for analyzing microbe 8, as long as open stopper 13, just can obtain anolyte 10 in real time from anolyte 10 probe tube 9 and analyze.If gather microbe 8 sample, can the sampling of test microbe and breather pipe 12 draw containing the solution of microbe 8.If add anolyte 10 also to be sampled by microbe and breather pipe 12 has come.If observe microbe 8 group bottom anode chamber 11, to observe through ito glass.
As shown in Figure 1 and 2, a kind of can the manufacture method of real-time sampling microbiological fuel cell based on ito glass, comprise the following steps:
(1) a monoblock rectangle ITO electro-conductive glass is got, the ITO conductive layer surface on both sides is coated with vaseline, monolithic glass is steeped the ITO conductive layer removing mid portion into hydrochloric acid, take out glass and wash away the vaseline on both sides with acetone, obtaining the substrate only having insulating glass in the middle of a slice, there is ITO electro-conductive glass on both sides;
(2) get two plastic cylinders respectively as anode chamber 11 and cathode chamber 1, the respective side equal-height position relative with cathode chamber 1 in anode chamber 11 makes a call to a hole, is used for connecting salt bridge 14;
(3) get a plastic tube, toward wherein inputting hot salt bridge solution, and after allowing salt bridge solution cooled and solidified form salt bridge 14, salt bridge 14 two ends being individually fixed in the hole of anode chamber 11 and cathode chamber 1, making salt bridge 14 jointed anode room 11 and cathode chamber 1;
(4) being separately fixed at bottom cathode chamber 1 and anode chamber 11 in the part of substrate the right and left conduction, the ITO electro-conductive glass on the substrate left side is minus plate 3, and the ITO electro-conductive glass on the right of substrate is positive plate 7;
(5) make a call to a hole again in the side of anode chamber 11, anolyte 10 probe tube 9 is installed in hole, be used for gathering anolyte 10;
(6) upper cover plate in anode chamber 11 installs microbe sampling and breather pipe 12, and the lower end of microbe sampling and breather pipe 12 is stretched in anode chamber 11, and the upper end stopper 13 of microbe sampling and breather pipe 12 clogs;
(7) in cathode chamber 1, being loaded as the potassium ferricyanide solution of catholyte 2, in anode chamber 11, being loaded as the organic solution of anolyte 10, carrying out metabolism generation electric energy for cultivating microbe 8;
(8) be communicated with minus plate 3 and positive plate 7 with wire 4, a resistance 5 that wire 4 is connected, at resistance 5 liang of termination potentiometers 6, export for recording voltage and observe the electrogenesis situation of battery.
experimental results:with Escherichia coli (Escherichia ATCC25922) for electrogenesis microbe 8, N-BETA-Alanyl-L-histidine, L-alanyl-glycine and cystine are that anolyte 10(concentration is 1 × 10
-3mol/L), the potassium ferricyanide is catholyte 2, runs this biological fuel cell, the results are shown in Figure 3.After an application of sample, battery obviously rises in about 500 minutes electrogenesis voltages, and within about 3000 minutes, reach ceiling voltage, continuous voltage output time was more than 7000 minutes.Explanation battery design is reasonable, effectively can utilize anolyte 10 composition, have lasting electric energy fan-out capability.
The present invention is not limited to above-mentioned preferred forms, anyone can draw under enlightenment of the present invention other various forms of can real-time sampling microbiological fuel cell and preparation method thereof based on ito glass.All equalizations done according to the present patent application the scope of the claims change and modify, and all should belong to covering scope of the present invention.
Claims (5)
1. one kind can real-time sampling microbiological fuel cell based on ito glass, comprise the cathode chamber that catholyte is housed and the anode chamber that anolyte is housed, salt bridge is connected with between described cathode chamber and anode chamber, it is characterized in that: the both sides being separately fixed at substrate upper surface bottom described cathode chamber and anode chamber, described substrate is one piece of centre is insulating glass, both sides are the glass plate of ITO electro-conductive glass, one side ITO conductive layer of described substrate is set to the minus plate bottom cathode chamber, one side ITO conductive layer of described substrate is set to the positive plate bottom anode chamber, described minus plate and positive plate are in series with resistance by guiding, described resistance two ends are parallel with potentiometer, described anode chamber sidewall is equipped with anolyte probe tube, and the upper cover plate of described anode chamber is provided with microbe sampling and breather pipe, and the lower end of described microbe sampling and breather pipe is stretched in anode chamber, and the upper end of described microbe sampling and breather pipe is provided with stopper.
2. according to claim 1 can real-time sampling microbiological fuel cell based on ito glass, it is characterized in that: the catholyte of described cathode chamber is potassium ferricyanide solution, the anolyte of described anode chamber is organic solution.
3. according to claim 1 can real-time sampling microbiological fuel cell based on ito glass, it is characterized in that: described cathode chamber and anode chamber are plastic cylinder.
4. according to claim 1 can real-time sampling microbiological fuel cell based on ito glass, it is characterized in that: described salt bridge is the plastic tube that solidified inside has salt bridge solution.
5. can the manufacture method of real-time sampling microbiological fuel cell based on ito glass, it is characterized in that: comprise the following steps:
(1) a monoblock rectangle ITO electro-conductive glass is got, the ITO conductive layer surface on both sides is coated with vaseline, monolithic glass is steeped the ITO conductive layer removing mid portion into hydrochloric acid, take out glass and wash away the vaseline on both sides with acetone, obtaining the substrate only having insulating glass in the middle of a slice, there is ITO electro-conductive glass on both sides;
(2) get two plastic cylinders respectively as anode chamber and cathode chamber, the respective side equal-height position relative with cathode chamber in anode chamber makes a call to a hole, is used for connecting salt bridge;
(3) get a plastic tube, toward wherein inputting hot salt bridge solution, and after allowing salt bridge solution cooled and solidified form salt bridge, salt bridge two ends are individually fixed in the hole of anode chamber and cathode chamber, make salt bridge jointed anode room and cathode chamber;
(4) being separately fixed at bottom cathode chamber and anode chamber in the part of substrate the right and left conduction, the ITO electro-conductive glass on the substrate left side is minus plate, and the ITO electro-conductive glass on the right of substrate is positive plate;
(5) make a call to a hole again in the side of anode chamber, anolyte probe tube is installed in hole, be used for gathering anolyte;
(6) upper cover plate in anode chamber installs microbe sampling and breather pipe, and the lower end of microbe sampling and breather pipe is stretched in anode chamber, and the upper end stopper of microbe sampling and breather pipe clogs;
(7) in cathode chamber, being loaded as the potassium ferricyanide solution of catholyte, in anode chamber, being loaded as the organic solution of anolyte, carrying out metabolism generation electric energy for cultivating microbe;
(8) be communicated with minus plate and positive plate, a resistance that wire is connected with wire, at resistance two termination potentiometer, export for recording voltage and observe the electrogenesis situation of battery.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610063475.4A CN105552417A (en) | 2016-01-30 | 2016-01-30 | Indium tin oxide (ITO) glass based microbial fuel cell capable of real-time sampling and fabrication method of microbial fuel cell |
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|---|---|---|---|
| CN201610063475.4A CN105552417A (en) | 2016-01-30 | 2016-01-30 | Indium tin oxide (ITO) glass based microbial fuel cell capable of real-time sampling and fabrication method of microbial fuel cell |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111137984A (en) * | 2019-12-30 | 2020-05-12 | 广东博源环保科技有限公司 | Thin-layer surface flow wastewater treatment carrier, wastewater treatment and thallus recovery system and method |
| CN114883593A (en) * | 2022-07-12 | 2022-08-09 | 深圳市氢蓝时代动力科技有限公司 | Fuel cell bipolar plate flow field structure and fuel cell |
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| CN1837808A (en) * | 2006-04-22 | 2006-09-27 | 福州大学 | Microfluidic chip electrode for electrochemical detection and method for manufacturing microfluidic chip |
| CN1949577A (en) * | 2005-10-14 | 2007-04-18 | 中国科学院过程工程研究所 | Bioreactor-direct microbe fuel cell and use thereof |
| CN101820073A (en) * | 2010-05-26 | 2010-09-01 | 福州大学 | Method for manufacturing novel microfluidic chip biological fuel cell |
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2016
- 2016-01-30 CN CN201610063475.4A patent/CN105552417A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1949577A (en) * | 2005-10-14 | 2007-04-18 | 中国科学院过程工程研究所 | Bioreactor-direct microbe fuel cell and use thereof |
| CN1837808A (en) * | 2006-04-22 | 2006-09-27 | 福州大学 | Microfluidic chip electrode for electrochemical detection and method for manufacturing microfluidic chip |
| CN101820073A (en) * | 2010-05-26 | 2010-09-01 | 福州大学 | Method for manufacturing novel microfluidic chip biological fuel cell |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111137984A (en) * | 2019-12-30 | 2020-05-12 | 广东博源环保科技有限公司 | Thin-layer surface flow wastewater treatment carrier, wastewater treatment and thallus recovery system and method |
| CN111137984B (en) * | 2019-12-30 | 2022-05-06 | 广东博源环保科技有限公司 | Thin-layer surface flow wastewater treatment carrier, wastewater treatment and thallus recovery system and method |
| CN114883593A (en) * | 2022-07-12 | 2022-08-09 | 深圳市氢蓝时代动力科技有限公司 | Fuel cell bipolar plate flow field structure and fuel cell |
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