CN102610843A - Microbial fuel cell - Google Patents
Microbial fuel cell Download PDFInfo
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- CN102610843A CN102610843A CN2012100861459A CN201210086145A CN102610843A CN 102610843 A CN102610843 A CN 102610843A CN 2012100861459 A CN2012100861459 A CN 2012100861459A CN 201210086145 A CN201210086145 A CN 201210086145A CN 102610843 A CN102610843 A CN 102610843A
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- 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
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- 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
Abstract
The invention discloses a microbial fuel cell, comprising a cell container, anode liquid and cathode liquid; the cell container comprises an anode chamber, a cathode chamber, a proton exchange membrane, a fastening device, a first rubber cushion and a second rubber cushion; the anode chamber comprises a first top plate, a first bottom plate and a cambered first chamber wall; the first rubber cushion is fixed on a side wall of the anode chamber along an opening of the anode chamber; the cathode chamber comprises a second top plate, a second bottom plate and a cambered second chamber wall; the second rubber cushion is fixed on the side wall of the cathode chamber along the opening of the cathode chamber; the proton exchange membrane is embedded between the first rubber cushion and the second rubber cushion; the fastening device is connected with the anode chamber and the cathode chamber; the anode liquid is put in the anode chamber of the cell container, one end of an anode lead is connected with an anode carbon cloth electrode; the cathode liquid is put in the cathode chamber of the cell container, one end of a cathode lead is connected with a cathode carbon cloth electrode. The microbial fuel cell is cleaned conveniently and is capable of generating high voltage.
Description
Technical field
The present invention relates to a kind of battery, specifically, relate to a kind of microbiological fuel cell.
Background technology
Microbiological fuel cell is a kind of device that utilizes microbe the chemical energy in the organic substance directly to be changed into electric energy.The basic functional principle of microbiological fuel cell is: under anode chamber's anaerobic environment; Organic substance decomposes under microbial action and discharges electronics and proton; Electronics relies on suitable electron transfer mediator between biological components and anode, effectively to transmit; And be delivered to negative electrode through external circuit and form electric current, and proton is delivered to negative electrode through PEM, oxidant (being generally oxygen) obtains electronics at negative electrode and is reduced with proton and is combined into water.The container that is used to hold microbe fuel adopts double chamber type usually, and promptly the microbiological fuel cell container comprises anode chamber and cathode chamber.For example the microbiological fuel cell container of " H " shape is provided with a passage between anode chamber and cathode chamber, and this passage connects anode chamber and cathode chamber respectively, simultaneously, is provided with pellicle in this passage.Anode chamber and cathode chamber are rectangular parallelepiped, so the right angle, many places is arranged in anode chamber and the cathode chamber, are inconvenient to test the back and clean.
Summary of the invention
Technical problem:Technical problem to be solved by this invention is: a kind of microbiological fuel cell is provided, and the battery case structure that holds microbe fuel is firm, and it is convenient to clean.
Technical scheme:For solving the problems of the technologies described above, the technical scheme that the present invention adopts is:
A kind of microbiological fuel cell comprises battery case, anolyte and catholyte; Wherein, described battery case comprises anode chamber, cathode chamber, PEM, fastener, is first rubber blanket of shaped as frame and is second rubber blanket of shaped as frame; The anode chamber comprises first top board, first base plate that is provided with first hand-hole and first locular wall that is cambered surface; First hand-hole is provided with first capping; First top board and first base plate are parallel to each other; First locular wall is fixedly connected between first top board and first base plate, and a side of anode chamber is an opening, and first rubber blanket is fixed on the sidewall of anode chamber along the opening of anode chamber; Cathode chamber comprises second top board, second base plate that is provided with second hand-hole and second locular wall that is cambered surface; Second hand-hole is provided with second capping; Second top board and second base plate are parallel to each other; Second locular wall is fixedly connected between second top board and second base plate, and a side of cathode chamber is an opening, and second rubber blanket is fixed on the sidewall of cathode chamber along the opening of cathode chamber; PEM is embedded between first rubber blanket and second rubber blanket; Fastener connects anode chamber and cathode chamber, and first rubber blanket and second rubber blanket are fitted; Described anolyte is arranged in the anode chamber of battery case, and positive wire passes first capping, and an end of positive wire connects anode carbon cloth electrode, and anode carbon cloth electrode is arranged in anolyte, and the other end of positive wire is positioned at first capping outside; Described catholyte is arranged in the cathode chamber of battery case, and cathode wire passes second capping, and an end of cathode wire connects negative electrode carbon cloth electrode, and negative electrode carbon cloth electrode is arranged in catholyte, and the other end of cathode wire is positioned at second capping outside.
Further, described anolyte is made up of dextrose peptone medium solution and bacterium liquid, and the pH value of anolyte is between 7.0 to 7.2; Catholyte is a potassium ferricyanide solution, and the volume ratio of anolyte and catholyte is 1: 1.
Further; Described dextrose peptone medium solution is 5: 5: 2 by mass ratio: 1000 peptone, glucose, dipotassium hydrogen phosphate and deionized water are formed; Bacterium liquid is made up of Xi Washi saprophytic bacteria and DH5 α Escherichia coli, and potassium ferricyanide solution is that 16.45: 8.7: 1000 the potassium ferricyanide, dipotassium hydrogen phosphate and deionized water formed by mass ratio.
Further, the volume of described Xi Washi saprophytic bacteria is greater than the colibacillary volume of DH5 α.
Further, the hole wall of described first hand-hole stretches out first top board, and the hole wall of first hand-hole is provided with external screw thread, and first capping is provided with the internal thread that matches with the external screw thread of first hand-hole; The hole wall of described second hand-hole stretches out second top board, and the hole wall of second hand-hole is provided with external screw thread, and second capping is provided with the internal thread that matches with the external screw thread of second hand-hole.
Further, between 1 centimetre to 1.05 centimetres of the radiuses of described first hand-hole; Between 1 centimetre to 1.05 centimetres of the radiuses of described second hand-hole.
Further; Described fastener comprises first column that is arranged on first cover top surface; Be arranged on second column of the first base plate lower surface, be arranged on the 3rd column of second cover top surface, be arranged on the 4th column of the second base plate lower surface; First column is connected through last bolt with the 3rd column, and second column is connected through following bolt with the 4th column.
Beneficial effect:Compared with prior art, the present invention has following beneficial effect:
1. it is convenient to clean.In the prior art, the right angle, many places is arranged in anode chamber and the cathode chamber, be inconvenient to test the back and clean.And battery of the present invention is being finished using when need cleaning, and at first unloads fastener, thereby win rubber blanket and second rubber blanket are separated, and also is that the anode chamber separates with cathode chamber.Because second locular wall of first locular wall of anode chamber and cathode chamber all is cambered surface, there is not the right angle in the anode chamber of battery case and the cathode chamber.Be convenient to anode purge chamber and cathode chamber like this, and clean cleaner.
2. the voltage of this battery generation is high.Contain DH5 α Escherichia coli in the anolyte provided by the invention.DH5 α Escherichia coli and Xi Washi saprophytic bacteria mix forms bacterium liquid, can improve the voltage of microbiological fuel cell.Under similarity condition, reach the battery electrogenesis after stationary phase, the voltage of the battery generation of 1:1 adding DH5 α Escherichia coli and Xi Washi saprophytic bacteria will be higher than the voltage of the battery generation that only adds the Shiva Salmonella by volume.
3. do not require gnotobasis, preparation cost is cheap.Contain DH5 α Escherichia coli in the anolyte provided by the invention.It must be in gnotobasis, to carry out that the assembling of whole microbe dye cell does not need.Like this, the cost of preparation microbe dye cell just reduces greatly.The volume that only needs Xi Washi saprophytic bacteria in the bacterium liquid is greater than the colibacillary volume of DH5 α; Be the dominant bacteria in the anolyte promptly with the Xi Washi saprophytic bacteria; Be the sneaking on a small quantity of the assorted bacterium of non-electrogenesis of example so with DH5 α Escherichia coli; Not only can not cause cell voltage to reduce, can improve the voltage of battery on the contrary.
4. closing device with low cost and can reusing.In the prior art, negative and positive the two poles of the earth of microbiological fuel cell all are to use seals film and seals.Have sealing not firm but seal film, receive to be prone to come off after the solution soaking, and price is high, can not reuse.And the present invention adopts first capping to be connected with first hand-hole, and second capping is connected with second hand-hole.Through on first capping, first hand-hole, second capping and second hand-hole, screw thread being set, first capping can be very easy to be installed on first hand-hole, perhaps disassembles from first hand-hole; Second capping can be very easy to be installed on second hand-hole, perhaps disassembles from second hand-hole.Closing device by first capping and second capping are formed can be reused, and with low cost.
5. it is convenient to inject anolyte and catholyte, and sealing is good.In the prior art, the opening that injects anolyte and catholyte is very little, though can reduce anolyte and catholyte leakage, has brought very burden for injection anolyte and catholyte.Between equal 1 centimetre to 1.05 centimetres of the radius of first hand-hole among the present invention and the radius of second hand-hole, and first capping is set is connected, second capping is set is connected with second hand-hole with first hand-hole.Like this, both be convenient to inject anolyte and catholyte, can have improved sealing again, prevented that anolyte and catholyte from leaking.
6. structure is firm.Microbiological fuel cell of the present invention also comprises fastener, and this fastener is between anode chamber and cathode chamber.Through fastener is set, can strengthen the fixing that connects between anode chamber, cathode chamber and the rubber blanket, avoid microbe fuel between anode chamber and the rubber blanket, perhaps between cathode chamber and rubber blanket, leak.
7. convenient disassembly.Battery provided by the invention, the anode chamber realizes being connected and dismantling through fastener with cathode chamber, and is very convenient.Fastener adopts dismountable structure.For example; A kind of fastener structure comprises first column that is arranged on first cover top surface; Be arranged on second column of the first base plate lower surface, be arranged on the 3rd column of second cover top surface, be arranged on the 4th column of the second base plate lower surface; First column is connected through last bolt with the 3rd column, and second column is connected through following bolt with the 4th column.Through bolt in the installation and removal and following bolt, can realize between anode chamber and the cathode chamber connection with separate.
Description of drawings
Fig. 1 is a longitudinal sectional view of the present invention.
The A-A cutaway view of Fig. 2 to Fig. 1.
Have among the figure: anode chamber 1; First hand-hole 101; First top board 102; First base plate 103; First locular wall 104; First capping 105; Cathode chamber 2; Second hand-hole 201; Second top board 202; Second base plate 203; Second locular wall 204; Second capping 205; PEM 3; First rubber blanket 4; First column 5; Second column 6; The 3rd column 7; The 4th column 8; Last bolt 9; Following bolt 10; Second rubber blanket 11; Anolyte 12; Catholyte 13; Positive wire 14; Anode carbon cloth electrode 15; Cathode wire 16; Negative electrode carbon cloth electrode 17.
Embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is carried out detailed explanation.
As depicted in figs. 1 and 2, a kind of microbiological fuel cell of the present invention comprises battery case, anolyte 12 and catholyte 13.Battery case comprises anode chamber 1, cathode chamber 2, PEM 3, fastener, first rubber blanket 4 and second rubber blanket 11.First rubber blanket 4 and second rubber blanket 11 all are shaped as frame.Anode chamber 1 comprises first top board 102, first base plate 103 and first locular wall 104.First top board 102 is provided with first hand-hole 101.First hand-hole 101 is communicated with the upper space of first top board 102 and the lower space of first top board 102.First hand-hole 101 is provided with first capping 105.First capping 105 can be sealed first hand-hole 101.First locular wall 104 is cambered surface.First top board 102 and first base plate 103 are parallel to each other, and first locular wall 104 is fixedly connected between first top board 102 and first base plate 103.One side of anode chamber 1 is an opening.First rubber blanket 4 is fixed on the sidewall of anode chamber 1 along the opening of anode chamber 1.Cathode chamber 2 comprises second top board 202, second base plate 203 and second locular wall 204.Second top board 202 is provided with second hand-hole 201.Second hand-hole 201 is communicated with the upper space of second top board 202 and the lower space of second top board 202.Second hand-hole 201 is provided with second capping, 205, the second cappings 205 can seal second hand-hole 201.Second locular wall 204 is cambered surface.Second top board 202 and second base plate 203 are parallel to each other, and second locular wall 204 is fixedly connected between second top board 202 and second base plate 203.One side of cathode chamber 2 is an opening.Second rubber blanket 11 is fixed on the sidewall of cathode chamber 2 along the opening of cathode chamber 2.The opening of the opening of anode chamber 1 and cathode chamber 2 is relative.PEM 3 is embedded between first rubber blanket 4 and second rubber blanket 11.Fastener connects anode chamber 1 and cathode chamber 2, and first rubber blanket 4 and second rubber blanket 11 are fitted.Like this, between anode chamber 1 and the cathode chamber 2 only across a layer proton exchange membrane 3.Anolyte 12 is arranged in the anode chamber 1 of battery case; Positive wire 14 passes first capping 105; One end of positive wire 14 connects anode carbon cloth electrode 15, and anode carbon cloth electrode 15 is arranged in anolyte 12, and the other end of positive wire 14 is positioned at first capping, 105 outsides.Catholyte 13 is arranged in the cathode chamber 2 of battery case; Cathode wire 16 passes second capping 205; One end of cathode wire 16 connects negative electrode carbon cloth electrode 17, and negative electrode carbon cloth electrode 17 is arranged in catholyte 13, and the other end of cathode wire 16 is positioned at second capping, 205 outsides.
When assembling the microbiological fuel cell of this structure; Battery case at first is installed: earlier that anode chamber 1, cathode chamber 2 and PEM 3 usefulness distilled water flushings are clean; Again anode chamber 1, cathode chamber 2 and PEM 3 are immersed in 3% the hydrogen peroxide solution 30 minutes respectively; Then PEM 3 is clipped between first rubber blanket 4 and second rubber blanket 11; Then use bolt 9 fastening first column 5 and the 3rd columns 7 that are positioned on first top board 102, use bolt 10 fastening second column 6 and the 4th columns 8 that are positioned under first base plate 103 down.After assembling completion, continue on operating desk through can anolyte 12 in first hand-hole, the 101 past anode chambers 1, through second hand-hole, 201 past cathode chambers 2 interior can catholytes 13.Behind the intact solution of can, build 101, the second cappings 205 of first hand-hole with first capping 105 and build second hand-hole 201.
Battery provided by the invention, the anode chamber realizes being connected and dismantling through fastener with cathode chamber, and is very convenient.Fastener adopts dismountable structure.Behind the dismounting fastener, anode chamber 1 separates with cathode chamber 2.Because first locular wall 104 and second locular wall 204 all are cambered surface, do not have corner angle, are convenient to clean up battery case.
Further, described anolyte 12 is made up of dextrose peptone medium solution and bacterium liquid, and the pH value of anolyte is between 7.0 to 7.2.Catholyte 13 is a potassium ferricyanide solution, and the volume ratio of anolyte and catholyte is 1: 1.Dextrose peptone medium solution is 5: 5: 2 by mass ratio: 1000 peptone, glucose, dipotassium hydrogen phosphate and deionized water are formed; Bacterium liquid is made up of Xi Washi saprophytic bacteria and DH5 α Escherichia coli, and potassium ferricyanide solution is that 16.45: 8.7: 1000 the potassium ferricyanide, dipotassium hydrogen phosphate and deionized water formed by mass ratio.The volume of Xi Washi saprophytic bacteria is greater than the colibacillary volume of DH5 α.
Microbe fuel is carried out voltage tester, and the end that positive wire 14 is positioned at first capping, 105 outsides connects the anode port of voltage acquisition device, and the end that cathode wire 16 is positioned at second capping, 205 outsides connects the negative electrode port of voltage acquisition device.In the microbe fuel to be tested: dextrose peptone medium solution is that the peptone of 5g, the glucose of 5 g, the dipotassium hydrogen phosphate of 2 g and the deionized water mixing of 1000 g are formed by quality, and the pH value of dextrose peptone medium solution is 7.1; Potassium ferricyanide solution is that the potassium ferricyanide of 16.45g, the dipotassium hydrogen phosphate of 8.7 g and the deionized water mixing of 1000 g are formed by quality; Bacterium liquid adds in the dextrose peptone medium solution.Through the speed UDP message device service software of Information Technology Co., Ltd of Nan Jinghui, gather the magnitude of voltage of voltage acquisition device, gather the primary voltage value each second, continuous collecting 3 days, result of the test is shown in table 1 and table 2.
Table 1 is the magnitude of voltage at the microbiological fuel cell of different time sections collection.In table 1, the time point of voltage is gathered in time representation, unit: hour.S voltage is represented when bacterium liquid is the Xi Washi saprophytic bacteria, in dextrose peptone medium solution, adds the Xi Washi saprophytic bacteria of 300 microlitres, the battery voltage value that UDP message device service software is gathered, unit: millivolt.When mixed voltage representes that bacterium liquid is made up of Xi Washi saprophytic bacteria and the mixing of DH5 α Escherichia coli; When in dextrose peptone medium solution, adding the DH5 α Escherichia coli of Xi Washi saprophytic bacteria and 150 microlitres of 150 microlitres; The battery voltage value that UDP message device service software is gathered, unit: millivolt.
Table 2 is Xi Washi saprophytic bacteria and the colibacillary various different volumes ratios of DH5 α, the magnitude of voltage that different time sections is gathered.In table 2, volume ratio is represented Xi Washi saprophytic bacteria and the colibacillary volume ratio of DH5 α in the bacterium liquid, and the colibacillary volume total capacity of Xi Washi saprophytic bacteria and DH5 α is 300 microlitres.Time point when voltage is gathered in time representation, unit: hour.For example second the row secondary series numeral 661.38; The expression volume ratio is 1: 9 the Xi Washi saprophytic bacteria and the bacterium liquid of DH5 α Escherichia coli composition; The volume that is the Xi Washi saprophytic bacteria is 30 microlitres, and the colibacillary volume of DH5 α is 270 microlitres, and the voltage of in the time of the 6th hour, gathering is 661.38 millivolts.
Table 1
Table 2
Can find out that from table 1 voltage that microbiological fuel cell provided by the invention produces is high.Contain in the anolyte provided by the invention by DH5 α Escherichia coli and Xi Washi saprophytic bacteria and mix the bacterium liquid of forming, can improve the voltage of microbe dye cell.After 8 hours, battery gets into stationary phase at electrogenesis.When anolyte inserted the bacterium liquid of being made up of DH5 α Escherichia coli and Xi Washi saprophytic bacteria, the voltage ratio anolyte that battery produces only inserted the voltage of the battery generation of Xi Washi saprophytic bacteria and wants high about 100 millivolts, and continues in stationary phase always.For example, the voltage of gathering at the 16th hour, S voltage is 666.86 millivolts, mixed voltage is 779.14 millivolts, mixes 112.28 millivolts of voltage ratio S voltages.
From table 2, can find out; Contain in the anolyte provided by the invention with DH5 α Escherichia coli is the non-electrogenesis bacterium of representative; And the volume of the Xi Washi saprophytic bacteria in bacterium liquid is greater than the colibacillary volume of DH5 α; Be Xi Washi saprophytic bacteria when being dominant bacteria, the electrogenesis voltage of battery does not have significant change, explains that not sneaking into of a small amount of non-electrogenesis bacterium can have a significant effect to cell voltage.And the assembling of whole microbe dye cell not need must be in gnotobasis, to carry out.Like this, the cost of preparation microbe dye cell just reduces greatly.
Further, described first locular wall 104 and second locular wall 204 are symmetrical along PEM 3.Like this, this battery case symmetrical configuration is convenient to control and observe the capacity of microbe fuel.Especially, the cross section of described first locular wall 104 and the equal semicircular in shape of cross section of second locular wall 204.
Further, for ease of installation and removal, the hole wall of first hand-hole 101 stretches out first top board 102, and the hole wall of first hand-hole 101 is provided with external screw thread, and first capping is provided with the internal thread that matches with the external screw thread of first hand-hole 101; The hole wall of second hand-hole 201 stretches out second top board 202, and the hole wall of second hand-hole 201 is provided with external screw thread, and second capping is provided with the internal thread that matches with the external screw thread of second hand-hole 201.Like this, cooperating between the internal thread through first capping and the external screw thread of first hand-hole 101 can realize that first capping is installed on first hand-hole 101, perhaps disassembles from first hand-hole 101.Equally, also be like this for second capping and second hand-hole 201.
Further, be to improve the efficient of in battery case, adding microbe fuel, between 1 centimetre to 1.05 centimetres of the radiuses of described first hand-hole 101; Between 1 centimetre to 1.05 centimetres of the radiuses of described second hand-hole 201.The radius through increasing by first hand-hole 101 and the radius of second hand-hole 201 can improve the efficient of adding microbe fuel.
Further, the structure of fastener can be multiple, the preferred following three kinds of structures of the present invention:
First kind of structure: described fastener comprises first column 5 that is arranged on first top board, 102 upper surfaces; Be arranged on second column 6 of first base plate, 103 lower surfaces; Be arranged on the 3rd column 7 of second top board, 202 upper surfaces; The 4th column 8, the first columns 5 that are arranged on second base plate, 203 lower surfaces are fixedly connected through last bolt 9 with the 3rd column 7, and second column 6 is fixedly connected through following bolt 10 with the 4th column 8.
Like this, the connection between last bolt 9, first column 5 and the 3rd column 7 has improved the compactness that first top board 102 is connected with second top board 202.Connection between following bolt 10, second column 6 and the 4th column 8 has improved the compactness that first base plate 103 is connected with second base plate 203.
Second kind of structure: identical with first kind of structure, different is: described first column 5, second column 6, the 3rd column 7 and the 4th column 8 are respectively two.Through two first columns 5, second column 6, the 3rd column 7 and the 4th column 8 are set respectively, can further improve anode chamber 1, cathode chamber 2
With rubber blanket 4Between the fixing that connects.
The third structure: fastener is an annulus, and this annulus is fixed on the outside of first locular wall 104 and second locular wall 204.Annulus is exerted pressure to first locular wall 104 and second locular wall 204, is to keep relative pressure between first locular wall 104 and second locular wall 204, thereby improves the fixing that connects between anode chamber 1, cathode chamber 2 and the rubber blanket 4.
Claims (10)
1. a microbiological fuel cell is characterized in that, comprises battery case, anolyte (12) and catholyte (13); Wherein,
Described battery case comprises anode chamber (1), cathode chamber (2), PEM (3), fastener, be first rubber blanket (4) of shaped as frame and be second rubber blanket (11) of shaped as frame; Anode chamber (1) comprises first top board (102), first base plate (103) that is provided with first hand-hole (101) and first locular wall (104) that is cambered surface; First hand-hole (101) is provided with first capping (105); First top board (102) and first base plate (103) are parallel to each other; First locular wall (104) is fixedly connected between first top board (102) and first base plate (103); One side of anode chamber (1) is an opening, and first rubber blanket (4) is fixed on the sidewall of anode chamber (1) along the opening of anode chamber (1); Cathode chamber (2) comprises second top board (202), second base plate (203) that is provided with second hand-hole (201) and second locular wall (204) that is cambered surface; Second hand-hole (201) is provided with second capping (205); Second top board (202) and second base plate (203) are parallel to each other; Second locular wall (204) is fixedly connected between second top board (202) and second base plate (203); One side of cathode chamber (2) is an opening, and second rubber blanket (11) is fixed on the sidewall of cathode chamber (2) along the opening of cathode chamber (2); PEM (3) is embedded between first rubber blanket (4) and second rubber blanket (11); Fastener connects anode chamber (1) and cathode chamber (2), and first rubber blanket (4) and second rubber blanket (11) are fitted;
Described anolyte (12) is arranged in the anode chamber (1) of battery case; Positive wire (14) passes first capping (105); One end of positive wire (14) connects anode carbon cloth electrode (15); Anode carbon cloth electrode (15) is arranged in anolyte (12), and the other end of positive wire (14) is positioned at first capping (105) outside;
Described catholyte (13) is arranged in the cathode chamber (2) of battery case; Cathode wire (16) passes second capping (205); One end of cathode wire (16) connects negative electrode carbon cloth electrode (17); Negative electrode carbon cloth electrode (17) is arranged in catholyte (13), and the other end of cathode wire (16) is positioned at second capping (205) outside.
2. according to the described microbiological fuel cell of claim 1, it is characterized in that described anolyte (12) is made up of dextrose peptone medium solution and bacterium liquid, and the pH value of anolyte is between 7.0 to 7.2; Catholyte (13) is a potassium ferricyanide solution, and the volume ratio of anolyte and catholyte is 1: 1.
3. according to the described microbiological fuel cell of claim 2; It is characterized in that; Described dextrose peptone medium solution is 5: 5: 2 by mass ratio: 1000 peptone, glucose, dipotassium hydrogen phosphate and deionized water are formed; Bacterium liquid is made up of Xi Washi saprophytic bacteria and DH5 α Escherichia coli, and potassium ferricyanide solution is that 16.45: 8.7: 1000 the potassium ferricyanide, dipotassium hydrogen phosphate and deionized water formed by mass ratio.
4. according to the described microbiological fuel cell of claim 3, it is characterized in that the volume of described Xi Washi saprophytic bacteria is greater than the colibacillary volume of DH5 α.
5. according to the described microbiological fuel cell of claim 1, it is characterized in that described first locular wall (104) and second locular wall (204) are symmetrical along PEM (3).
6. according to the described microbiological fuel cell of claim 1; It is characterized in that; The hole wall of described first hand-hole (101) stretches out first top board (102); And the hole wall of first hand-hole (101) is provided with external screw thread, and first capping (105) is provided with the internal thread that matches with the external screw thread of first hand-hole (101); The hole wall of described second hand-hole (201) stretches out second top board (202), and the hole wall of second hand-hole (201) is provided with external screw thread, and second capping (205) is provided with the internal thread that matches with the external screw thread of second hand-hole (201).
7. according to the described microbiological fuel cell of claim 6, it is characterized in that, between 1 centimetre to 1.05 centimetres of the radiuses of described first hand-hole (101); Between 1 centimetre to 1.05 centimetres of the radiuses of described second hand-hole (201).
8. according to any one described microbiological fuel cell in the claim 1 to 7; It is characterized in that; Described fastener comprises first column (5) that is arranged on first top board (102) upper surface; Be arranged on second column (6) of first base plate (103) lower surface, be arranged on the 3rd column (7) of second top board (202) upper surface, be arranged on the 4th column (8) of second base plate (203) lower surface; First column (5) is fixedly connected through last bolt (9) with the 3rd column (7), and second column (6) is fixedly connected through following bolt (10) with the 4th column (8).
9. according to the described microbiological fuel cell of claim 8, it is characterized in that described first column (5), second column (6), the 3rd column (7) and the 4th column (8) are respectively two.
10. according to any one described microbiological fuel cell in the claim 1 to 7, it is characterized in that described fastener is an annulus, this annulus is fixed on the outside of first locular wall (104) and second locular wall (204).
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| CN201210086145.9A CN102610843B (en) | 2012-03-29 | 2012-03-29 | Microbial fuel cell |
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| CN103199289A (en) * | 2013-03-14 | 2013-07-10 | 重庆大学 | Graphite-electrode-based film-free microfluid microbial battery |
| CN103399051A (en) * | 2013-07-31 | 2013-11-20 | 华南理工大学 | Water body toxicity detecting method and portable device based on microbial electrochemical signals |
| CN105552416A (en) * | 2016-01-13 | 2016-05-04 | 山东星火科学技术研究院 | Microbiological fuel battery |
| CN106033820A (en) * | 2015-03-16 | 2016-10-19 | 中国海洋大学 | Microbial fuel cell |
| CN106086934A (en) * | 2014-01-15 | 2016-11-09 | 江苏理工学院 | A kind of microbiological fuel cell reclaims the method for elemental copper from copper-containing wastewater |
| CN108780910A (en) * | 2016-03-29 | 2018-11-09 | 夏普株式会社 | Microbiological fuel cell and microbial fuel cells system |
| CN110048146A (en) * | 2019-04-26 | 2019-07-23 | 南通大学 | A kind of negative-pressure adsorption-type microbiological fuel cell |
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| CN106086934B (en) * | 2014-01-15 | 2017-12-19 | 江苏理工学院 | A kind of method for reclaiming elemental copper from copper-containing wastewater with microbiological fuel cell |
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| CN108780910A (en) * | 2016-03-29 | 2018-11-09 | 夏普株式会社 | Microbiological fuel cell and microbial fuel cells system |
| CN110048146A (en) * | 2019-04-26 | 2019-07-23 | 南通大学 | A kind of negative-pressure adsorption-type microbiological fuel cell |
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