CN211017260U - Air cathode microbial fuel cell - Google Patents
Air cathode microbial fuel cell Download PDFInfo
- Publication number
- CN211017260U CN211017260U CN201921997573.0U CN201921997573U CN211017260U CN 211017260 U CN211017260 U CN 211017260U CN 201921997573 U CN201921997573 U CN 201921997573U CN 211017260 U CN211017260 U CN 211017260U
- Authority
- CN
- China
- Prior art keywords
- box
- negative pole
- fuel cell
- cathode
- microbial fuel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000000813 microbial effect Effects 0.000 title claims abstract description 33
- 239000000446 fuel Substances 0.000 title claims abstract description 23
- 238000010438 heat treatment Methods 0.000 claims abstract description 28
- 239000012528 membrane Substances 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 5
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 25
- 239000004917 carbon fiber Substances 0.000 claims description 25
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 25
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 12
- 229910052799 carbon Inorganic materials 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 12
- 229910052751 metal Inorganic materials 0.000 claims description 12
- 238000009792 diffusion process Methods 0.000 claims description 11
- 230000003197 catalytic effect Effects 0.000 claims description 10
- 239000003365 glass fiber Substances 0.000 claims description 8
- 239000003575 carbonaceous material Substances 0.000 claims description 6
- 229910021392 nanocarbon Inorganic materials 0.000 claims description 5
- 239000007769 metal material Substances 0.000 claims description 3
- 244000005700 microbiome Species 0.000 description 19
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 16
- 229910052760 oxygen Inorganic materials 0.000 description 16
- 239000001301 oxygen Substances 0.000 description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 15
- 239000002351 wastewater Substances 0.000 description 13
- 239000003054 catalyst Substances 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 230000004048 modification Effects 0.000 description 6
- 238000012986 modification Methods 0.000 description 6
- 241000894006 Bacteria Species 0.000 description 4
- 238000005273 aeration Methods 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000005012 migration Effects 0.000 description 3
- 238000013508 migration Methods 0.000 description 3
- 230000027756 respiratory electron transport chain Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010531 catalytic reduction reaction Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003014 ion exchange membrane Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
Images
Classifications
-
- 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
Landscapes
- Fuel Cell (AREA)
- Inert Electrodes (AREA)
Abstract
The utility model discloses an air cathode microbial fuel cell, be equipped with the introduction port including electrode compartment top, the electrode compartment internal fixation is equipped with the positive pole and places box and proton exchange membrane, the positive pole is placed the box and is equipped with the positive pole, proton exchange membrane places the adjacent setting of box with the positive pole, the outside of electrode compartment is equipped with the negative pole and places the box, the negative pole is placed the box and is provided with the negative pole in, the negative pole is placed one side that the box is located proton exchange membrane, the box is placed through outer circuit connection with the positive pole to the negative pole, be connected with the battery between the outer circuit, the shell that the box was placed to the negative pole is the heat conduction material, the box shell outside is placed to the negative pole is equipped with the heating member, box shell outside fixed connection temperature sensor is placed to the. The air cathode microbial fuel cell solves the problem of low coulomb efficiency of the microbial fuel cell in the prior art.
Description
Technical Field
The utility model relates to a microbial power generation technical field especially relates to air cathode microbial fuel cell.
Background
Microbial Fuel Cells (MFCs) consist of an anode compartment and a cathode compartment, which are separated by an ion exchange membrane. The anode microorganisms degrade organic matter in an anaerobic environment to produce electrons, protons and carbon dioxide: the electrons are transmitted to the anode and reach the biological cathode through an external circuit load, and the protons reach the cathode chamber from the anode chamber through the ion exchange membrane: the electron acceptor oxygen in the cathode chamber gets electrons and protons at the cathode to be reduced to water, thereby generating an electric current. The microbial fuel cell is a green new energy technology, is extensively and deeply researched in recent years, and provides a new way for solving the problem of energy shortage and sewage treatment.
However, the double-chamber MFC has a relatively large mass transfer resistance of the cathode, and a certain distance exists between the cathode chamber and the anode chamber, so that the resistance is relatively high, which results in relatively low power density and low coulomb efficiency of the cell. In the prior art, the oxidant of the cathode is generally oxygen, while in the prior art, air is generally dissolved in water and then enters the cathode, and the air is generally insoluble in water, so that the cathode reaction rate is low.
Disclosure of Invention
The utility model provides an air cathode microbial fuel cell to solve the problem of battery coulomb inefficiency.
The utility model adopts the following technical scheme: an air cathode microbial fuel cell comprises an electrode chamber, wherein a sample inlet is arranged above the electrode chamber, an anode placing box and a proton exchange membrane are fixedly arranged on one side inside the electrode chamber, an anode is arranged in the anode placing box, two ends of the anode placing box are respectively attached to the inner wall of the electrode chamber, the proton exchange membrane is arranged adjacent to the anode placing box, a cathode placing box is arranged on the outer side of the electrode chamber, a cathode is arranged in the cathode placing box, the cathode placing box is positioned on one side of the proton exchange membrane and is connected with the anode placing box through an external circuit, a storage battery is connected between the external circuits, the cathode placing box is arranged in a hollow manner, the shell of the cathode placing box is made of a heat conducting material, a heating body is arranged on the outer side of the shell of the cathode placing box, a temperature sensor is fixedly connected on the outer side, one end of the heating body is abutted against the outer side of the cathode placing box. The artificial wastewater is poured into the electrode chamber from the sample inlet, the electrogenesis microorganisms attached to the anode react with the artificial wastewater at the moment to convert chemical energy into electric energy, at the moment, electrons enter the cathode through an external circuit, the electric energy can be stored in the storage battery, protons pass through the proton exchange membrane to enter the cathode, and oxygen in the air is reduced to obtain electrons at the cathode to be combined with the protons to form water. The electric energy in the storage battery can supply energy to the heating wire to heat the heating wire, so that the heating body outside the cathode placing box is heated, and the heat energy is transferred through the heat conducting shell of the cathode placing box, so that the water generated on the cathode is quickly evaporated while the microbial activity is improved and the proton transfer rate is accelerated, and the water is prevented from being attached to the surface of the cathode. The cathode is arranged outside the electrode chamber, oxygen can be directly obtained from the air, the heating body can accelerate the molecular movement rate in the air, and a large amount of aeration energy consumption can be effectively reduced. The temperature sensor can monitor the temperature of the cathode placing box in real time, namely the temperature of the cathode, and prevent the activity of the catalyst from being reduced due to overhigh or overlow temperature, so that the coulomb efficiency of the microbial cell is influenced.
Furthermore, the upper part of the electrode chamber is communicated with an air outlet pipeline, and the air outlet pipeline is positioned above the side of the anode placing box. The artificial wastewater overflow caused by the gas generated by the reaction of the electrogenic microorganisms of the anode in the MFC electrode chamber and the artificial wastewater is avoided.
Further, the anode comprises a carbon fiber brush and a brush core, the carbon fiber brush is arranged around the brush core, and the brush core is made of a conductive metal material. The carbon fiber brush as the anode carbon-based material has the advantages of high conductivity, low cost, excellent biocompatibility and the like, and the specific surface area and the porosity of the carbon fiber brush are larger, so that the attachment and the growth of microorganisms are facilitated, the electron transfer rate is promoted, and the coulomb efficiency of the battery is improved.
Furthermore, the surface of the carbon fiber brush is decorated with metal. The metal has high catalytic reduction and conductivity, the anode after metal modification can reduce the internal resistance of the anode, increase the specific surface area and improve the electrical property, and the carbon fiber brush is coated with the modified metal, so that the attachment of the electrogenic microorganisms can be improved, and the overpotential of the reaction in the electrode chamber is reduced, thereby promoting the benign migration of electrons and improving the coulomb efficiency of the microbial cell.
Further, the carbon fiber brush is made of a porous nanocarbon material. The surface groups of the porous nano carbon material can interact with electrogenesis bacteria, so that the activity of anode electrogenesis microorganisms is improved, and the coulombic efficiency of the battery is improved.
Further, the cathode comprises a carbon-based layer, one side of the carbon-based layer is covered with a catalytic layer, the other side of the catalytic layer is covered with a diffusion layer, and the diffusion layer is exposed to air. The shell of the cathode placing box can support the cathode, the carbon-based layer and the diffusion layer can support the catalyst layer, the catalyst layer is placed to be pulverized in the using process to influence the use of the air cathode, the diffusion layer exposed in the air can facilitate oxygen to diffuse in the air cathode, and the catalyst layer can accelerate oxygen in the air to obtain electrons at the cathode to be reduced and combined with protons to form water under the action of the catalyst, so that the coulomb efficiency of the battery is improved.
Further, the other side of the carbon substrate is provided with a glass fiber sheet. The glass fiber sheet can effectively prevent bacteria from growing on the surface of the cathode, maintain the stability of the redox performance of the cathode, and prevent the short circuit of the cathode and the anode, and meanwhile, the glass fiber sheet can effectively prevent oxygen in the air from penetrating through the proton exchange membrane to enter the anode, so that the coulomb efficiency of the battery is reduced due to certain influence on electricity-producing microorganisms.
The utility model discloses compare in prior art's beneficial effect and be: the utility model discloses an air cathode microbial fuel cell utilizes the electric energy that air cathode microbial fuel cell produced to heat up for the heater strip to make the negative pole place the heating member heaies up outside the box, heat energy passes through the heat conduction shell transmission heat energy that the box was placed to the negative pole, when can making the activity of improvement microorganism and accelerating proton transfer rate, the water rapid evaporation that produces on making the negative pole prevents that moisture from attaching to the negative pole surface. The cathode is arranged outside the electrode chamber, oxygen can be directly obtained from the air, the heating body can accelerate the molecular movement rate in the air, and a large amount of aeration energy consumption can be effectively reduced. The anode after metal modification can reduce the internal resistance of the anode, increase the specific surface area and improve the electrical property, and the carbon fiber brush is coated with the modified metal, so that the adhesion of the electrogenic microorganisms can be improved, the overpotential of the reaction in the electrode chamber can be reduced, the benign migration of electrons can be promoted, and the coulomb efficiency of the microbial battery can be improved.
Drawings
FIG. 1 is a schematic diagram of an air cathode microbial fuel cell;
FIG. 2 is a schematic structural view of a cathode;
fig. 3 is a schematic structural view of an anode.
Reference numerals: 1. an electrode chamber; 2. a sample inlet; 3. an anode placing box; 3a, an anode; 3a1 carbon fiber brush; 3a2, brush core; 4. a proton exchange membrane; 5. an anode placing box; 5a, a cathode; 5a1, carbon-based layer; 5a2, a catalytic layer; 5a3, diffusion layer; 5b, glass fiber sheets; 6. a storage battery; 7. A heating body; 8. heating wires; 9. a temperature sensor; 10. an air outlet pipeline.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
Example 1:
referring to FIGS. 1-3, the present invention provides a method for manufacturing a semiconductor device
An air cathode microbial fuel cell comprises an electrode chamber 1, a sample inlet 2 is arranged above the electrode chamber 1, an anode 3a placing box 3 and a proton exchange membrane 4 are fixedly arranged on one side inside the electrode chamber 1, an anode 3a is arranged in the anode 3a placing box 3, two ends of the anode 3a placing box 3 are respectively attached to the inner wall of the electrode chamber 1, the proton exchange membrane 4 and the anode 3a placing box 3 are adjacently arranged, a cathode placing box 5 is arranged on the outer side of the electrode chamber 1, a cathode 5a is arranged in the cathode placing box 5, the cathode placing box 5 is positioned on one side of the proton exchange membrane 4, the cathode placing box 5 and the anode 3a placing box 3 are connected through an external circuit, a storage battery 6 is connected between the external circuits, the cathode placing box 5 is hollow, the shell of the cathode placing box 5 is made of heat conducting material, a heating body 7 is arranged on the outer side of the shell of the cathode placing box 5, a heating wire 8 is arranged in the heating body 7, the heating wire 8 is connected with a temperature sensor 9 and a storage battery 6 through a lead, and one end of the heating body 7 is abutted against the outer side of the cathode placing box 5. The artificial wastewater is poured into the electrode chamber 1 from the sample inlet 2, at the moment, the electrogenesis microorganisms attached to the anode 3a react with the artificial wastewater to convert chemical energy into electric energy, at the moment, electrons enter the cathode 5a through an external circuit, the electric energy can be stored in the storage battery 6, protons pass through the proton exchange membrane 4 to enter the cathode 5a, and oxygen in the air obtains electrons at the cathode 5a and is reduced to be combined with the protons to form water. The electric energy in the storage battery 6 can supply energy to the heating wire 8 to heat the heating wire 8, so that the heating body 7 outside the cathode placing box 5 is heated, the heat energy is transferred through the heat conducting shell of the cathode placing box 5, the microbial activity can be improved, the proton transfer rate is accelerated, and meanwhile, the water generated on the cathode 5a is rapidly evaporated to prevent the water from being attached to the surface of the cathode 5 a. The cathode 5a is arranged outside the electrode chamber 1 and can directly obtain oxygen from the air, and the heating body 7 can accelerate the molecular movement rate in the air and effectively reduce a large amount of aeration energy consumption. The temperature sensor 9 can monitor the temperature of the cathode placing box 5, namely the temperature of the cathode 5a in real time, and prevent the activity of the catalyst from being reduced due to overhigh or overlow temperature, thereby influencing the coulomb efficiency of the microbial cell.
The upper part of the electrode chamber 1 is communicated with an air outlet pipeline 10, and the air outlet pipeline 10 is positioned above the side of the anode 3a placing box 3. The artificial wastewater overflow caused by the gas generated by the reaction of the electrogenic microorganisms of the anode 3a in the MFC electrode chamber 1 and the artificial wastewater is avoided.
The anode 3a includes a carbon fiber brush 3a1 and a brush core 3a2, the carbon fiber brush 3a1 is disposed around the brush core 3a2, and the brush core 3a2 is a conductive metal material. The carbon fiber brush 3a1 as the anode 3a carbon-based material has the advantages of high conductivity, low cost, excellent biocompatibility and the like, and the carbon fiber brush 3a1 has larger specific surface area and porosity, so that the attachment and growth of microorganisms are facilitated, the electron transfer rate is promoted, and the coulomb efficiency of the battery is improved.
The surface of the carbon fiber brush 3a1 is modified with metal. The metal has high catalytic reduction and conductivity, can effectively improve the transmission of electrons and reduce the impedance of the anode 3a, the anode 3a after metal modification can reduce the internal resistance of the anode 3a, increase the specific surface area and improve the electrical performance, and the modification of the metal on the carbon fiber brush 3a1 can improve the adhesion of electrogenic microorganisms and reduce the overpotential of the reaction in the electrode chamber 1, thereby promoting the benign migration of electrons and improving the coulomb efficiency of the microbial cell.
The carbon fiber brush 3a1 is made of a porous nanocarbon material. The surface groups of the porous nano carbon material can interact with electrogenesis bacteria, so that the activity of electrogenesis microorganisms of the anode 3a is improved, and the coulombic efficiency of the battery is improved.
The cathode 5a includes a carbon-based layer 5a1, one side of the carbon-based layer 5a1 is covered with a catalytic layer 5a2, the other side of the catalytic layer 5a2 is covered with a diffusion layer 5a3, and the diffusion layer 5a3 is exposed to air. The casing of the cathode placing box 5 can support the cathode 5a, the carbon-based layer 5a1 and the diffusion layer 5a3 can support the catalytic layer 5a2, the catalytic layer 5a2 is placed to be pulverized in the using process to influence the use of the air cathode 5a, the diffusion layer 5a3 exposed in the air can facilitate oxygen to diffuse in the air cathode 5a, and the catalytic layer 5a2 can accelerate the oxygen in the air to obtain electrons at the cathode 5a under the action of the catalyst to be reduced and combined with protons to form water, so that the coulomb efficiency of the battery is improved.
The other side of the carbon base layer 5a1 is provided with a glass fiber sheet 5 b. The glass fiber sheet 5b can effectively prevent bacteria from growing on the surface of the cathode 5a, maintain the stability of the redox performance of the cathode 5a and prevent the short circuit of the cathode and anode 3a, and meanwhile, the glass fiber sheet 5b can effectively prevent oxygen in the air from penetrating through the proton exchange membrane 4 to enter the anode 3a and having certain influence on electrogenesis microorganisms, so that the coulombic efficiency of the battery is reduced.
Example 2: add artifical waste water in the electrode compartment 1, positive pole 3a is equipped with carbon fiber brush 3a1 and brush core 3a2 on placing the positive pole 3a in the box 3, the utility model discloses a brush core 3a2 adopts the titanium material, is attached to a large amount of electrogenesis microorganisms on the carbon fiber brush 3a1, and carbon fiber brush 3a1 makes for porous nanometer carbon material, and carbon fiber brush 3a1 surface modification has the metal, the utility model discloses a layer upon layer assembly technology decorates AU to carbon fiber brush 3a1 surface, can increase positive pole 3a specific surface area, improves electron transfer speed, reduces positive pole 3a impedance. The electricity-generating microorganisms react with the artificial wastewater to generate gas which is discharged from the gas outlet pipeline 10, so that the artificial wastewater is prevented from overflowing. The electricity-generating microorganisms react with the artificial wastewater, electrons are transmitted to the cathode 5a through an external circuit, protons enter the cathode 5a through the proton exchange membrane 4, oxygen in the air passes through the diffusion layer 5a3 exposed in the air to the carbon-based layer 5a1, and the oxygen is catalyzed by the catalytic layer 5a2 to obtain the electrons in the cathode 5a which are reduced to be combined with the protons to form water. At the moment, the electrogenic microorganisms react with the artificial wastewater to convert chemical energy into electric energy to be stored in the storage battery 6, and the storage battery 6 supplies heat energy heated by the heating wire 8 to enable the heating body 7 to heat the cathode 5 a. The water generated on the cathode 5a is quickly evaporated while the microbial activity is improved and the proton transfer rate is accelerated, so that the water is prevented from being attached to the surface of the cathode 5a, and the coulomb efficiency of the battery is improved. The cathode 5a is arranged outside the electrode chamber 1 and can directly obtain oxygen from the air, and the heating body 7 can accelerate the molecular movement rate in the air and effectively reduce a large amount of aeration energy consumption. The temperature sensor 9 can monitor the temperature of the cathode placing box 5, namely the temperature of the cathode 5a in real time, and prevent the activity of the catalyst from being reduced due to overhigh or overlow temperature, thereby influencing the coulomb efficiency of the microbial cell.
The air cathode microbial fuel cell can effectively improve the coulomb efficiency of the microbial fuel cell.
While the present invention has been described with reference to the above exemplary embodiments, it is understood that the terminology used is intended to be in the nature of words of description and illustration, rather than of limitation. As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.
Claims (7)
1. An air cathode microbial fuel cell comprising:
electrode chamber (1), its characterized in that, electrode chamber (1) top is equipped with introduction port (2), the fixed positive pole that is equipped with in the inside one side of electrode chamber (1) places box (3) and proton exchange membrane (4), the positive pole is placed and is equipped with positive pole (3 a) in box (3), the both ends that box (3) were placed to the positive pole are laminated with the inner wall of electrode chamber (1) respectively and are set up, one side of proton exchange membrane (4) is located the one side that box (3) were placed to the positive pole, the outside of electrode chamber (1) is equipped with the negative pole and places box (5), the negative pole is placed and is provided with negative pole (5 a) in box (5), the negative pole is placed box (5) and is located the opposite side of proton exchange membrane (4), the negative pole is placed box (5) and positive pole and is placed box (3) and is connected through outer circuit, be connected with battery (6) between the outer, the utility model discloses a cathode structure, including box (5), heating body (7), heating wire (8), box (5) shell outside is placed to the negative pole, the shell that box (5) was placed to the negative pole is the heat conduction material, the negative pole is placed box (5) shell outside and is equipped with heating member (7), box (5) shell outside fixed connection temperature sensor (9) are placed to the negative pole, install heater strip (8) in heating member (7), heater strip (8) are through wire connection temperature sensor (9) and battery (6) the one end of heating member (7) is supported and is lean.
2. The air cathode microbial fuel cell according to claim 1, wherein an air outlet pipe (10) is communicated with the upper side of the electrode chamber (1), and the air outlet pipe (10) is positioned on the upper side of the anode placing case (3).
3. The air cathode microbial fuel cell according to claim 1, wherein said anode (3 a) comprises a carbon fiber brush (3 a 1) and a brush core (3 a 2), said carbon fiber brush (3 a 1) being disposed around a brush core (3 a 2), said brush core being of an electrically conductive metal material.
4. The air cathode microbial fuel cell according to claim 3, wherein the surface of the carbon fiber brush (3 a 1) is modified with metal.
5. The air cathode microbial fuel cell according to claim 3, wherein said carbon fiber brush (3 a 1) is made of a nano carbon material.
6. The air cathode microbial fuel cell according to claim 1, wherein said cathode comprises a carbon based layer (5 a 1) covered on one side with a catalytic layer (5 a 2) and on the other side with a diffusion layer (5 a 3) which is exposed to air (5 a 2).
7. The air cathode microbial fuel cell according to claim 6, wherein the other side of the carbon-based layer is provided with a glass fiber sheet (5 b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921997573.0U CN211017260U (en) | 2019-11-19 | 2019-11-19 | Air cathode microbial fuel cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921997573.0U CN211017260U (en) | 2019-11-19 | 2019-11-19 | Air cathode microbial fuel cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211017260U true CN211017260U (en) | 2020-07-14 |
Family
ID=71468774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921997573.0U Expired - Fee Related CN211017260U (en) | 2019-11-19 | 2019-11-19 | Air cathode microbial fuel cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211017260U (en) |
-
2019
- 2019-11-19 CN CN201921997573.0U patent/CN211017260U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110148759B (en) | Preparation method of high-current-density-oriented proton exchange membrane fuel cell gas diffusion layer | |
| Liu et al. | Carbon nanotube/chitosan nanocomposite as a biocompatible biocathode material to enhance the electricity generation of a microbial fuel cell | |
| Lee et al. | Electricity production in membrane-less microbial fuel cell fed with livestock organic solid waste | |
| CN102655235B (en) | Microbial fuel cell air cathode and preparation method thereof | |
| JP6184256B2 (en) | Cathode for microbial fuel cell, method for producing the same, and microbial fuel cell | |
| WO2007027730A2 (en) | Scalable microbial fuel cell with fluidic and stacking capabilities | |
| CN101355170A (en) | Application of manganese dioxide in preparation of microbial fuel cell cathode | |
| CN106784877B (en) | Preparation method of microbial fuel cell cathode composite material and microbial fuel cell reactor | |
| CN102569861A (en) | Enzyme biological fuel cell and preparing method thereof | |
| CN108649251B (en) | Preparation method of membrane-free formic acid fuel cell based on integral carbonaceous self-breathing cathode | |
| CN107732256A (en) | One kind prepares MFC electrode materials and its chemical property using agricultural wastes | |
| CN106207201B (en) | A kind of redox graphene of oxygen-containing functional group gradient distribution/grapheme foam composite material and its application in vanadium cell | |
| CN108539203A (en) | Super hydrophilic material（Graphene oxide/phytic acid）Electrode material for modifying energy storage flow battery | |
| CN109810435A (en) | A kind of preparation method of phosphate-doped graphene oxide and poly-vinylidene-fluoride composite film | |
| CN105336964A (en) | Nitrogen-doped carbon nanotube/ carbonitride composite material preparation method and application | |
| CN109786762A (en) | Structure of gradient hydrophilic-hydrophobic/air electrode and preparation method thereof | |
| CN110745811B (en) | Hydroxyapatite/graphene aerogel anode and preparation method thereof | |
| CN212542504U (en) | Diaphragm-free microbial fuel cell device | |
| CN105680080A (en) | Microbial fuel cell system capable of improving efficiency by solar energy and construction method for microbial fuel cell system | |
| CN211017260U (en) | Air cathode microbial fuel cell | |
| US10476095B2 (en) | Fuel cell and method of manufacturing the same | |
| CN206742400U (en) | A kind of battery that electricity production in situ is carried out using wetland bed mud | |
| CN111769314B (en) | Diaphragm-free microbial fuel cell device and manufacturing method thereof | |
| KR20120071571A (en) | Microbial fuel cell process using bidirectional carbon fiber composite electrode | |
| Lianhua et al. | Performance of microbial fuel cell in different anode and cathode electrode sizes |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200714 Termination date: 20201119 |