CN106058286A - Microbial fuel battery capable of achieving bidirectional temperature control - Google Patents
Microbial fuel battery capable of achieving bidirectional temperature control Download PDFInfo
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- CN106058286A CN106058286A CN201610559075.2A CN201610559075A CN106058286A CN 106058286 A CN106058286 A CN 106058286A CN 201610559075 A CN201610559075 A CN 201610559075A CN 106058286 A CN106058286 A CN 106058286A
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- temperature
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- fuel cell
- anode
- microbiological fuel
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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
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04313—Processes for controlling fuel cells or fuel cell systems characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function
- H01M8/0432—Temperature; Ambient temperature
-
- 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
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04694—Processes for controlling fuel cells or fuel cell systems characterised by variables to be controlled
- H01M8/04701—Temperature
-
- 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
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Electrochemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Fuel Cell (AREA)
- Microbiology (AREA)
- Biochemistry (AREA)
- Inert Electrodes (AREA)
Abstract
The invention discloses a microbial fuel battery capable of achieving bidirectional temperature control. The microbial fuel battery comprises a battery body and an ion exchange membrane, wherein the ion exchange membrane is arranged on the middle part of the battery body, and partitions the battery body into an anode chamber and a cathode chamber; an anode is arranged inside the anode chamber; a cathode is arranged inside the cathode chamber, and an opening is formed in the upper end of the cathode chamber; the anode is inoculated with anaerobic microorganisms; the cathode is inoculated with aerobic microorganisms or not inoculated with microorganisms; the anode and the cathode are connected through an external resistor to form a closed circuit; the anode and the cathode are connected with a temperature-regulating system; and both the anode and the cathode consist of a heat-conducting insulator and an active electrode body. Through arrangement of the temperature-regulating system, the temperatures of the electrodes can be raised or lowered; and the microbial fuel battery capable of achieving the bidirectional temperature control is used for researching the electricity generating performance of the microbial fuel battery, and has an important scientific significance in revealing electrochemical behaviors of the microorganisms and regularity thereof at a low temperature and solving a low-temperature animal survival mystery.
Description
Technical field
The present invention relates to a kind of battery, particularly relate to a kind of Bidirectional temperature-controlling microbiological fuel cell, belong to green bio energy
Source technology field.
Background technology
Microbiological fuel cell (Microbial Fuel Cell, MFC) is made up of anode chamber and cathode chamber, room, the two poles of the earth it
Between be separated by by ion exchange membrane.Anode microorganism degradation of organic substances under anaerobic environment produces electronics, proton and carbon dioxide；
Electric transmission arrives biological-cathode to anode by external circuit load, and proton is arrived negative electrode by ion exchange membrane by anode chamber
Room；Cathode chamber electron acceptor oxygen obtains electronics and proton at negative electrode and is reduced into water, thus produces electric current.Microbial fuel
Battery is a kind of New Green Energy source technology, studies extensively and profoundly, for solving energy shortage and sewage disposal obtaining in recent years
Provide a new way.
Up to the present, the actual performance of the microbiological fuel cell in laboratory is than ideal performance or much lower.Micro-
The electricity generation performance of biological fuel cell produces to be affected by several factors.The product electricity of microbiological fuel cell include several mainly
Process: the metabolism of microorganism, electronics are delivered to anode from cell, proton transfers to electron acceptor negative electrode and negative electrode from anode
Reduction reaction.The low transformation efficiency of microorganism in battery, even under optimum growth speed, microbial transformation efficiency
And and electrode between electron transmission the slowest.And high temperature can speed up almost all of kinetics, including biology
And chemistry.Microbiological fuel cell is generally all to utilize oxygen as the electron acceptor of reduction reaction, oxygen in negative electrode
The kinetic factor of gas reduction is also a restriction factor of microbiological fuel cell performance.Intensification can improve mass transfer speed
Rate, the electrode reaction of acceleration negative electrode, thus improve the performance of battery.
Water is the carrier building life on earth.Under normal circumstances, after ambient temperature drops to below 0 DEG C, ice crystal
Formation can make extracellular electrolyte concentration rising cause cell dehydration dead [1].But curiously, some mammal is in pole
Hold super cold under conditions of still can survive.Such as, a kind of polar region fish can survive [2] in the environment of-1.9 DEG C, hibernation
The body temperature of arctic territory Sciurus vulgaris also will not be by [3] numb with cold when-2.9 DEG C, and the peripheral nervous that some mammals peel off is cold
Still can activity recovery [4] at a temperature of-6 DEG C.The biological activity phenomenon of these extreme environments, causes people very big
Interest.
The present invention devises a kind of Bidirectional temperature-controlling microbiological fuel cell.Utilize the present invention, be possible not only to monitor microorganism
Anode of fuel cell and cathode surface temperature, and can quick and precisely regulate and control anode and cathode surface temperature by temperature control circuit
Degree.In terms of intensification, the present invention can improve the biological activity of microorganism, accelerates the reduction reaction of electron acceptor on negative electrode, from
And improve the performance of microbiological fuel cell, reduce decomposing organic pollutant required time.In terms of cooling, by cold ground
The mud of band, sea water, in the South Pole and Arctic pack, the enriching and purifying of cryophile and later separation and sign, find novel bacterial
There is important meaning.By microorganisms survival condition under the extreme low temperature in subzero several years or even ten several years and micro-life
People are disclosed the electrochemical behavior under microorganism low-temperature and rule thereof, untie low temperature animal by the electricity generation performance of thing fuel cell
The mystery of existence has important scientific meaning.
Summary of the invention
It is an object of the invention to propose a kind of Bidirectional temperature-controlling microbiological fuel cell, by microorganisms subzero several
People are disclosed micro-life by the survival condition under the extreme low temperature in degree or even ten several years and the electricity generation performance of microbiological fuel cell
Electrochemical behavior under thing low temperature and rule thereof, the mystery untiing low temperature animal survival have important scientific meaning.
The technical solution adopted in the present invention: a kind of Bidirectional temperature-controlling microbiological fuel cell, including battery body and ion
Exchange membrane, described ion exchange membrane is arranged in the middle part of described battery body and described battery body is divided into anode chamber and negative electrode
Room, is provided with anode bodies in described anode chamber, be provided with cathode and described cathode chamber upper end arranges and opens in described cathode chamber
Mouthful, described anode bodies inoculation anaerobe, cathode inoculation aerobic microbiological or not microbe inoculation, described anode bodies and institute
Stating cathode and connect formation closed-loop path by external resistance, described anode bodies and described cathode are respectively connected with thermoregulating system；Institute
State anode bodies and described cathode to be formed by thermal conductive insulator and electrode active gonosome.
Further, described thermoregulating system include DC source, temperature controller, cooling system, semiconductor chilling plate and
Temperature sensor；Described DC source is connected with the power end of described temperature controller, the temperature signal of described temperature controller
Receiving terminal is connected with the temperature signal outfan of described temperature sensor, and described temperature sensor is arranged on described anode bodies and institute
Stating on the electrode active gonosome of cathode, one end of described semiconductor chilling plate is exhausted with the heat conduction of described anode bodies and described cathode
Edge body connects, and the other end of described semiconductor chilling plate is connected with described cooling system.
Further, the other end of described semiconductor chilling plate is connected with described cooling system by heat-conducting silicone grease, and leads to
Cross epoxy resin and be fixed into an entirety.
Further, described cooling system can be air cooling equipment, liquid cooling apparatus, phase-change material chiller, heat conduction
The combination of one or more in pipe chiller.
Further, described thermal conductive insulator can be heat-conducting silicone grease, heat conduction adhesive tape, heat conduction mica sheet, thermal conductive ceramic
One or more in sheet, heat conduction silica gel sheet.
Further, described electrode active gonosome can be carbon slurry, carbon cloth, graphite flake, carbon paste, CNT, Graphene, no
Rust steel, titanium sheet material.
Further, described closed-loop path includes wire, external resistance and voltmeter.
Further, described temperature sensor can be critesistor or thermocouple.
Further, the quantity of described temperature sensor wires is at least two.
Further, the quantity of described temperature controller is one or two.
Compared with prior art, the invention has the beneficial effects as follows: utilize the present invention, be possible not only to monitor Microbial fuel electricity
Pond anode bodies and the temperature on cathode surface, and can quickly regulate and control anode and cathode surface temperature by thermoregulating system.This
The thermoregulating system of invention is by selecting semiconductor chilling plate, and it can freeze, and can heat again, and in terms of intensification, the present invention can
Improve the biological activity of microorganism, accelerate the reduction reaction of electron acceptor on cathode, thus improve microbiological fuel cell
Performance, reduces decomposing organic pollutant required time.In terms of cooling, by the mud to cold zone, sea water, the South Pole and north
In the ice of pole, the enriching and purifying of cryophile and later separation and sign, find that novel bacterial has important meaning.By research
Microorganism survival condition under the extreme low temperature in subzero several years or even ten several years and the electricity generation performance of microbiological fuel cell,
Mystery people disclose the electrochemical behavior under microorganism low-temperature and rule thereof, untiing low temperature animal survival has important science
Meaning.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention a kind of Bidirectional temperature-controlling microbiological fuel cell.
Fig. 2 is the structural representation of one one kinds of Bidirectional temperature-controlling microbiological fuel cells of the embodiment of the present invention.
Detailed description of the invention
Technical scheme is further illustrated below in conjunction with specific embodiment.
As it is shown in figure 1, a kind of Bidirectional temperature-controlling microbiological fuel cell, including battery body 1 and ion exchange membrane 2, described
Ion exchange membrane 2 is arranged in the middle part of described battery body 1 and described battery body 1 is divided into anode chamber 3 and cathode chamber 4, described
It is provided with anode bodies in anode chamber 3, is provided with cathode in described cathode chamber 4 and described cathode chamber 4 upper end arranges opening 14,
For entering for atmospheric gas；Described anode bodies inoculation anaerobe 5, cathode is inoculated aerobic microbiological or is not inoculated micro-life
Thing, described anode bodies and described cathode connect formation closed-loop path 7, described anode bodies and described cathode by external resistance 6
It is respectively connected with thermoregulating system, described anode bodies and described cathode to be formed by thermal conductive insulator 12 and electrode active gonosome 13.
Described thermoregulating system includes DC source 8, temperature controller 9, cooling system 16, semiconductor chilling plate 11 and temperature
Sensor 10；Described DC source 8 is connected with the power end of described temperature controller 9, the temperature signal of described temperature controller 9
Receiving terminal is connected with the temperature signal outfan of described temperature sensor 10, and described temperature sensor 10 is arranged on described anode bodies
With on the electrode active gonosome 13 of described cathode, one end of described semiconductor chilling plate 11 and described anode bodies and described cathode
Thermal conductive insulator 12 connect, the other end of described semiconductor chilling plate 11 is connected with described cooling system 16.
The other end of described semiconductor chilling plate 11 is connected with described cooling system 16 by heat-conducting silicone grease, and passes through epoxy
Resin is fixed into an entirety, described cooling system 16 can be air cooling equipment, liquid cooling apparatus, phase-change material chiller,
The combination of one or more in heat pipe chiller, described thermal conductive insulator 12 can be heat-conducting silicone grease, heat conduction adhesive tape,
One or more in heat conduction mica sheet, thermal conductive ceramic plate, heat conduction silica gel sheet, described electrode active gonosome 13 can be carbon slurry, carbon
Cloth, graphite flake, carbon paste, CNT, Graphene, rustless steel, titanium sheet material, described closed-loop path includes wire 7, external resistance 6
With voltmeter 15, described temperature sensor 10 can be critesistor or thermocouple, the quantity of described temperature sensor 10 lead-in wire
At least two, the quantity of described temperature controller 9 is one or two.
In the concrete technical scheme of the present invention, in thermoregulating system, DC source 8 is responsible for providing unidirectional current, temperature sensing
Device 10 measures anode bodies and the temperature on cathode surface and feeds back to temperature controller 9, because described semiconductor chilling plate 11 was both
Heating can freeze again, carry out cold and hot end-grain cutting specifically by the sense of current regulating input and change, therefore, temperature controller 9 leads to
Overregulate and be applied to semiconductor chilling plate 11 size of current of anode bodies and cathode and direction to control anode bodies and cathode
The temperature on surface.
Described thermal conductive insulator 12 can be heat-conducting silicone grease, heat conduction adhesive tape, heat conduction mica sheet, thermal conductive ceramic plate, heat conduction
One or more in silica gel sheet, described electrode active gonosome can be carbon slurry, carbon cloth, graphite flake, carbon paste, CNT, graphite
Alkene, rustless steel, titanium sheet material, described temperature sensor 10 can be critesistor or thermocouple, and described temperature sensor 10 is drawn
The quantity of line is at least two, and the quantity of described temperature controller 9 is one or two.The described anode bodies inoculation micro-life of anaerobism
Thing, anaerobe 5 can be Actinobacillus succinogenes, Aeromonas hydrophila, Clostridium beijerinckii, Shewanella putrefaciens etc., negative electrode
Body inoculation aerobic microbiological or not microbe inoculation；Anode microbial decomposition metabolism Organic substance produces electronics, and electronics passes through dispatch from foreign news agency
Road moves to cathode chamber 4, and oxygen and electronics and the proton that passes through from anode chamber 3, at cathode chamber 4 water generation reaction, produce simultaneously
Electric energy；Described temperature sensor 10 can be critesistor such as Pt100, Pt1000, Pt10000, Cu50, NTC, PTC etc., it is possible to
To be thermocouple such as K-type thermocouple, J-type thermocouple, T-shaped thermocouple, S type thermocouple, Type B thermocouple etc..
Utilize the present invention, be possible not only to monitor anode of microbial fuel cell body and cathode surface temperature, and permissible
Anode bodies and cathode surface temperature is quickly regulated and controled by thermoregulating system.In terms of intensification, the present invention can improve microorganism
Biological activity, accelerates the reduction reaction of electron acceptor on cathode, thus improves the performance of microbiological fuel cell, reduce and decompose
Organic pollution required time.In terms of cooling, by the mud to cold zone, sea water, the South Pole and Arctic pack addicted to cold micro-
Biological enriching and purifying and later separation and sign, find that novel bacterial has important meaning.By microorganisms subzero
People are disclosed micro-by the survival condition under the extreme low temperature in several years or even ten several years and the electricity generation performance of microbiological fuel cell
Electrochemical behavior under biological low temperature and rule thereof, the mystery untiing low temperature animal survival have important scientific meaning.
Embodiment one
As in figure 2 it is shown, a kind of Bidirectional temperature-controlling microbiological fuel cell, including battery body 1 and ion exchange membrane 2, described
Ion exchange membrane 2 is arranged in the middle part of described battery body 1 and described battery body 1 is divided into anode chamber 3 and cathode chamber 4, described
It is provided with anode bodies in anode chamber 3, is provided with cathode in described cathode chamber 4 and described cathode chamber 4 upper end arranges opening 14,
For entering for atmospheric gas；Described anode bodies inoculation anaerobe 5, cathode is inoculated aerobic microbiological or is not inoculated micro-life
Thing, described anode bodies and described cathode connect formation closed-loop path 7, described anode bodies and described cathode by external resistance 6
It is respectively connected with thermoregulating system, described anode bodies and described cathode to be formed by thermal conductive insulator 12 and electrode active gonosome 13.
Described thermoregulating system includes DC source 8, temperature controller 9, cooling system 16, semiconductor chilling plate 11 and temperature
Sensor 10；Described DC source 8 is connected with the power end of described temperature controller 9, the temperature signal of described temperature controller 9
Receiving terminal is connected with the temperature signal outfan of described temperature sensor 10, and described temperature sensor 10 is arranged on described anode bodies
With on the electrode active gonosome 13 of described cathode, one end of described semiconductor chilling plate 11 and described anode bodies and described cathode
Thermal conductive insulator 12 connect, the other end of described semiconductor chilling plate 11 is connected with described cooling system 16.
Particularly as follows: one end of semiconductor chilling plate 11 is linked together with cooling system 16 by heat-conducting silicone grease, and lead to
Cross epoxy resin and be fixed into an entirety.In the other end modification last layer thermally conductive insulating layer 12 of semiconductor chilling plate 11, and
Modify last layer electrode active gonosome 13 in thermally conductive insulating layer 12, and temperature sensor 10 is fixed on electrode by epoxide-resin glue
Active body 13 surface.For anode bodies, in addition it is also necessary to inoculate anaerobe 5 at electrode active gonosome 13.Anode bodies and negative electrode
Body lays respectively at anode chamber 3 and cathode chamber 4, is separated by cation exchange membrane 2 between two Room.Anode bodies and cathode are by leading
Line and external resistance 6 connect formation closed-loop path 7.In thermoregulation circuit, DC source 8 is connected with temperature controller 9 offer direct current
Electricity, temperature sensor 10 measures anode bodies and the temperature on cathode surface and feeds back to temperature controller 9, and temperature controller 9 leads to
Overregulate the size and Orientation of output electric current to control anode bodies and the temperature on cathode surface.Cathode chamber 4 is in unlimited big
In compression ring border, and set conduit and be blown into for air.Anode chamber 3 is in airtight anaerobic environment, and indoor product electricity microorganism is passed through
Oxidation operation in waste water is decomposed and produces electronics, proton by metabolism, and electronics transfers to negative electrode through external circuit, and proton is via sun
Ion exchange membrane 2 is diffused into cathode chamber 4, the oxygen in cathode chamber 4 and the electronics being delivered to cathode chamber from anode bodies by wire
Combine generation water with the proton entering cathode chamber through cation exchange membrane 2 and realize electricity generation process.
In a preferred embodiment of the present invention, described cooling system 16 combines with heat pipe cooling for air-cooled.
In a preferred embodiment of the present invention, described thermal conductive insulator 12 is heat-conducting silicone grease.
In a preferred embodiment of the present invention, described electrode active gonosome 13 is starched for carbon, and is modified by screen printing technique
In thermal conductive insulator 12.
In a preferred embodiment of the present invention, described temperature sensor is Pt1000, goes between as three-wire system.
For a person skilled in the art, can technical scheme as described above and design, make other each
Plant corresponding change and deformation, and all these changes and deforms the protection model that all should belong to the claims in the present invention
Within enclosing.
Claims (10)
1. a Bidirectional temperature-controlling microbiological fuel cell, it is characterised in that: include battery body and ion exchange membrane, described ion
Exchange membrane is arranged in the middle part of described battery body and described battery body is divided into anode chamber and cathode chamber, sets in described anode chamber
Being equipped with anode bodies, be provided with cathode and described cathode chamber upper end arranges opening in described cathode chamber, described anode bodies is inoculated
Anaerobe, cathode inoculates aerobic microbiological or microbe inoculation, described anode bodies and described cathode do not pass through dispatch from foreign news agency
Resistance connects formation closed-loop path, and described anode bodies and described cathode are respectively connected with thermoregulating system；Described anode bodies and described the moon
Polar body is formed by thermal conductive insulator and electrode active gonosome.
A kind of Bidirectional temperature-controlling microbiological fuel cell the most according to claim 1, it is characterised in that: described thermoregulating system bag
Include DC source, temperature controller, cooling system, semiconductor chilling plate and temperature sensor；Described DC source and described temperature
The power end of degree controller connects, the temperature signal receiving terminal of described temperature controller and the temperature signal of described temperature sensor
Outfan connects, and described temperature sensor is arranged on the electrode active gonosome of described anode bodies and described cathode, described partly leads
One end of body cooling piece is connected with the thermal conductive insulator of described anode bodies and described cathode, another of described semiconductor chilling plate
End is connected with described cooling system.
A kind of Bidirectional temperature-controlling microbiological fuel cell the most according to claim 2, it is characterised in that: described semiconductor refrigerating
The other end of sheet is connected with described cooling system by heat-conducting silicone grease, and is fixed into an entirety by epoxy resin.
A kind of Bidirectional temperature-controlling microbiological fuel cell the most according to claim 2, it is characterised in that: described cooling system
It can be the combination of one or more in air cooling equipment, liquid cooling apparatus, phase-change material chiller, heat pipe chiller.
A kind of Bidirectional temperature-controlling microbiological fuel cell the most according to claim 2, it is characterised in that: described heat conductive insulating
Body can be one or more in heat-conducting silicone grease, heat conduction adhesive tape, heat conduction mica sheet, thermal conductive ceramic plate, heat conduction silica gel sheet.
A kind of Bidirectional temperature-controlling microbiological fuel cell the most according to claim 1, it is characterised in that: described electrode active gonosome
Can be carbon slurry, carbon cloth, graphite flake, carbon paste, CNT, Graphene, rustless steel, titanium sheet material.
A kind of Bidirectional temperature-controlling microbiological fuel cell the most according to claim 1, it is characterised in that: described closed-loop path is wrapped
Include wire, external resistance and voltmeter.
A kind of Bidirectional temperature-controlling microbiological fuel cell the most according to claim 2, it is characterised in that: described temperature sensor
Can be critesistor or thermocouple.
A kind of Bidirectional temperature-controlling microbiological fuel cell the most according to claim 2, it is characterised in that: described temperature sensor
The quantity of lead-in wire is at least two.
A kind of Bidirectional temperature-controlling microbiological fuel cell the most according to claim 2, it is characterised in that: described temperature controls
The quantity of device is one or two.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610559075.2A CN106058286A (en) | 2016-07-13 | 2016-07-13 | Microbial fuel battery capable of achieving bidirectional temperature control |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610559075.2A CN106058286A (en) | 2016-07-13 | 2016-07-13 | Microbial fuel battery capable of achieving bidirectional temperature control |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109341135A (en) * | 2018-10-09 | 2019-02-15 | 广东奇林电气股份有限公司 | A kind of cold and hot liquids quick generator |
| CN110062559A (en) * | 2019-03-05 | 2019-07-26 | 黄劻湛 | A kind of high efficiency and heat radiation intelligent controller transmitting cooperation flow velocity using physics |
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Application publication date: 20161026 |
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