CN108172852A - A kind of anode of microbial fuel cell, preparation method and microbiological fuel cell - Google Patents

A kind of anode of microbial fuel cell, preparation method and microbiological fuel cell Download PDF

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Publication number
CN108172852A
CN108172852A CN201810082562.3A CN201810082562A CN108172852A CN 108172852 A CN108172852 A CN 108172852A CN 201810082562 A CN201810082562 A CN 201810082562A CN 108172852 A CN108172852 A CN 108172852A
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fuel cell
anode
solution
nano particle
particle
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何苗
曾丽珍
王润
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Guangdong University of Technology
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Guangdong University of Technology
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    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00Fuel cells; Manufacture thereof
    • H01M8/16Biochemical fuel cells, i.e. cells in which microorganisms function as catalysts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B82NANOTECHNOLOGY
    • B82YSPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00Nanotechnology for materials or surface science, e.g. nanocomposites
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/86Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/88Processes of manufacture
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/86Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/90Selection of catalytic material
    • H01M4/9075Catalytic material supported on carriers, e.g. powder carriers
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/86Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/90Selection of catalytic material
    • H01M4/9075Catalytic material supported on carriers, e.g. powder carriers
    • H01M4/9083Catalytic material supported on carriers, e.g. powder carriers on carbon or graphite
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/86Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/96Carbon-based electrodes
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30Hydrogen technology
    • Y02E60/50Fuel cells

Abstract

The present invention provides a kind of anode of microbial fuel cell, including carrier and the nano particle being supported on carrier;The nano particle is one or more of carbon nano-particle, the carbon nano-particle of N doping, molybdenum carbide nano particle, tungsten carbide nano particle or nickel-molybdenum carbide nano particle;The carrier is one or more of cotton fabric, carbon felt or carbon cloth.Anode of microbial fuel cell material prepared by the method for the present invention has the attachment that good electric conductivity, biocompatibility, larger specific surface area and coarse electrode surface are conducive to microorganism, promotes the formation of biomembrane and improves the power density of microbiological fuel cell.The present invention also provides the preparation methods and microbiological fuel cell of a kind of anode of microbial fuel cell.

Description

A kind of anode of microbial fuel cell, preparation method and microbiological fuel cell
Technical field
The invention belongs to technical field of microbial fuel battery more particularly to a kind of anode of microbial fuel cell, its systems Preparation Method and microbiological fuel cell.
Background technology
Microbiological fuel cell (MFCs) is microbiological oxidation organic matter release electronics, and by electron transmission to external circuit shape A kind of chemical energy into circuit is converted to the new device of electric energy.Based on such electro-chemical systems, while pollutant is handled It can produce electricl energy again, it is considered to be a kind of green environmental protection technique causes everybody widely to pay close attention in fields such as the energy, environment.
Although MFCs, with many advantages, also has very as green energy resource compared with hydrogen-oxygen fuel cell power density Big gap.So far, the research of microbiological fuel cell is in laboratory or lab scale is horizontal, in practical applications battery Than relatively low, the maximum power density of MFC is also failed to more than 6W m output power-2Or 500W m-3, however the direct first of single chamber Alcohol fuel battery (DMFC) can reach 800W m under conditions of atmospheric pressure, temperature 60 C-2.But due to the power of its generation Density is relatively low compared to other fuel cells, also limits its industrialized development.It is existing for how going to improve power density A major challenge of this modern fuel cell.Influence many because being known as of MFC output power densities, the main electricity including anode and cathode Catalyst, electrolyte, organic substrates, operation temperature, pH, the configuration of battery and proton exchange membrane etc..All influence factors In, the influence of the elctro-catalyst of anode to MFC output power densities is maximum, because it is directly related to contact of the bacterium with anode, It decides the adhesion amount of bacterium, the overpotential of electrochemical reaction can be reduced, promote reaction close to thermodynamic equilibrium state, to reach To the conversion of energy-efficient, big power density is obtained.But also it is related to the transmission between electronics and electrode.Therefore, it carries The research emphasis of high MFC electric energy output is the selection of anode catalyst, and conclusive effect is played to final efficiency of fuel cell generation.Choosing Select the potential anode modification material of tool, influence of the parsing anode surface characteristic to microorganism electricity generation characteristic, to improving microorganism The electricity generation ability of fuel cell has important theory significance and application value.
Invention content
The purpose of the present invention is to provide a kind of anode of microbial fuel cell, preparation method and Microbial fuel electricity Pond, the microbiological fuel cell in the present invention have good electric conductivity, biocompatibility, larger specific surface area and coarse Electrode surface be conducive to the attachment of microorganism, promote the formation of biomembrane and improve the power density of microbiological fuel cell
The present invention provides a kind of anode of microbial fuel cell, including carrier and the nano particle being supported on carrier;
The nano particle is carbon nano-particle, the carbon nano-particle of N doping, molybdenum carbide nano particle, tungsten carbide nanometer One or more of particle or nickel-molybdenum carbide nano particle;
The carrier is one or more of cotton fabric, carbon felt or carbon cloth.
Preferably, the grain size of the nano particle<100nm.
The present invention provides a kind of preparation method of anode of microbial fuel cell, includes the following steps:
A) carrier is immersed in modified material solution, is deposited;
The modified material solution is the mixed solution of nickel chloride and ammonium molybdate, the trihydroxy methyl amino first containing dopamine Alkane-hydrochloric acid buffer solution, aniline solution, the solution containing pyrrole monomer, ammonium molybdate solution or ammonium tungstate solution;
The carrier is one or more of cotton fabric, carbon felt or carbon cloth;
B) by step A) in product drying after calcine, obtain anode of microbial fuel cell.
Preferably, a concentration of 5~20mmol/L of the trishydroxymethylaminomethane-hydrochloric acid buffer solution.
Preferably, the mass concentration of aniline is 0.5~5% in the aniline solution;
The mass concentration of pyrrole monomer is 0.5~5% in the solution containing pyrrole monomer.
Preferably, the mixed solution of the nickel chloride and ammonium molybdate, ammonium molybdate solution and ammonium tungstate solution is a concentration of 0.5~2mol/L.
Preferably, dry temperature is 50~80 DEG C;
The time of the drying is 18~36 hours.
Preferably, the temperature of the calcining is 800~1000 DEG C;
The time of the calcining is 1~3 hour.
The present invention provides a kind of microbiological fuel cell, including anode of microbial fuel cell described above.
The present invention provides a kind of anode of microbial fuel cell, including carrier and the nano particle being supported on carrier; The nano particle is carbon nano-particle, the carbon nano-particle of N doping, molybdenum carbide nano particle, tungsten carbide nano particle or carbon Change one or more of nickel molybdenum nano particle;The carrier is one or more of cotton fabric, carbon felt or carbon cloth.The present invention Method prepared by anode of microbial fuel cell material have good electric conductivity, biocompatibility, larger specific surface Long-pending and coarse electrode surface is conducive to the attachment of microorganism, promotes the formation of biomembrane and improves microbiological fuel cell Power density.
Description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, to embodiment or will show below There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this The embodiment of invention, for those of ordinary skill in the art, without creative efforts, can also basis The attached drawing of offer obtains other attached drawings.
Fig. 1 is the SEM pictures for the cotton fabric anode that nitrogen-doped carbon nano particle has been loaded in the embodiment of the present invention 1;
Fig. 2 is current versus time curve figure of the different anodes under constant potential in the embodiment of the present invention 1;
Fig. 3 is current versus time curve figure of the different anodes under constant current in the embodiment of the present invention 1;
Fig. 4 is the cyclic voltammogram of different anodes in the embodiment of the present invention 1;
Fig. 5 is the AC impedance figure of different anodes in the embodiment of the present invention 1;
Fig. 6 is voltage outputs and time of the MFCs based on different anodes in start-up course in the embodiment of the present invention 1 Relational graph;
Fig. 7 is the power density diagram of the MFCs based on different anodes in the embodiment of the present invention 1;
Fig. 8 is the polarization curve of the MFCs based on different anodes in the embodiment of the present invention 1;
Fig. 9 is the anodic-cathodic potential curve figure of the MFC based on different anodes in the embodiment of the present invention 1;
Figure 10 is to have loaded the carbonization cotton fabric of molybdenum carbide nano particle under different enlargement ratios in the embodiment of the present invention 2 SEM pictures;
Figure 11 is voltage outputs and time of the MFCs based on different anodes in start-up course in the embodiment of the present invention 2 Relational graph;
Figure 12 is the current density and time diagram of different anodes in the embodiment of the present invention 2;
Figure 13 is the polarization curve of the MFCs based on different anodes in the embodiment of the present invention 2;
Figure 14 is the power density diagram of the MFCs based on different anodes in the embodiment of the present invention 2.
Specific embodiment
The present invention provides a kind of anode of microbial fuel cell, including carrier and the nano particle being supported on carrier;
The nano particle is carbon nano-particle, the carbon nano-particle of N doping, molybdenum carbide nano particle, tungsten carbide nanometer One or more of particle or nickel-molybdenum carbide nano particle;
The carrier is one or more of cotton fabric, carbon felt or carbon cloth.
In the present invention, the grain size of the nano particle<100nm.
The present invention also provides a kind of preparation methods of anode of microbial fuel cell, include the following steps:
A) carrier is immersed in modified material solution, is deposited;
The modified material solution is the mixed solution of nickel chloride and ammonium molybdate, the trihydroxy methyl amino first containing dopamine Alkane-hydrochloric acid buffer solution, aniline solution, the solution containing pyrrole monomer, ammonium molybdate solution or ammonium tungstate solution;
The carrier is one or more of cotton fabric, carbon felt or carbon cloth;
B) by step A) in product drying after calcine, obtain anode of microbial fuel cell.
The present invention immerses carrier in modified material solution, and the modified material is made to be deposited on the carrier surface;
In the present invention, the type of the carrier is consistent with the type of above carrier, and details are not described herein.
The modified material solution forms the nanometer for being deposited on the carrier surface after deposited and subsequent calcining Particle, the modified material solution is the mixed solution of nickel chloride and ammonium molybdate, the trishydroxymethylaminomethane containing dopamine- Hydrochloric acid buffer solution, aniline solution, the solution containing pyrrole monomer, ammonium molybdate solution or ammonium tungstate solution;
A concentration of 5~20mmol/L of the trishydroxymethylaminomethane-hydrochloric acid buffer solution, preferably 10~ 15mmol/L;The mass concentration of wherein dopamine is preferably 100~300mmol/L, more preferably 150~250mmol/L, optimal It is selected as 200mmol/L.
Mass concentration in the aniline solution is preferably 0.5~5%, more preferably 1~4%, most preferably 2~3%;
The mass concentration of pyrrole monomer is 0.5~5%, more preferably 1~4% in the solution containing pyrrole monomer, most Preferably 2~3%;
A concentration of 0.5~2mol/L of the ammonium molybdate solution, preferably 1~1.5mol/L;
A concentration of 0.5~2mol/L of the ammonium tungstate solution, preferably 1~1.5mol/L;
A concentration of 0.5~2mol/L of the nickel chloride and ammonium molybdate mixed solution, preferably 1~1.5mol/L.
Post-depositional carrier takes out, and is first cleaned, is subsequently placed in baking oven with deionized water, excellent at 50~80 DEG C Be selected as at 60~70 DEG C it is 18~36 hours dry, preferably 20~24 hours,
Finally dried product is put into tube furnace, under the conditions of nitrogen or argon gas, is calcined, makes to sink on carrier Long-pending material carbonization, obtains anode of microbial fuel cell.
The temperature of the calcining is preferably 800~1000 DEG C, more preferably 850~950 DEG C, most preferably 900 DEG C;It is described The time of calcining is preferably 1~3 hour, more preferably 2 hours.
Above-mentioned steps carry out under normal pressure.
The present invention also provides a kind of microbiological fuel cells, including above-mentioned anode, cathode, the electricity of battery of the present invention The type of the components such as solution liquid, organic substrates and diaphragm does not have special limitation, using the common microorganism of those skilled in the art The component of fuel cell, in the present invention, the cathode are preferably 20%Pt/C;Organic substrates are preferably sodium acetate.
The present invention provides a kind of anode of microbial fuel cell, including carrier and the nano particle being supported on carrier; The nano particle is carbon nano-particle, the carbon nano-particle of N doping, molybdenum carbide nano particle, tungsten carbide nano particle or carbon Change one or more of nickel molybdenum nano particle;The carrier is one or more of cotton fabric, carbon felt or carbon cloth.The present invention Method prepared by anode of microbial fuel cell material have good electric conductivity, biocompatibility, larger specific surface Long-pending and coarse electrode surface is conducive to the attachment of microorganism, promotes the formation of biomembrane and improves microbiological fuel cell Power density.
In order to further illustrate the present invention, with reference to embodiments to a kind of microbiological fuel cell sun provided by the invention Pole, preparation method and microbiological fuel cell are described in detail, but cannot be understood as to the scope of the present invention It limits.
Embodiment 1
Microbial fuel anode in the present invention is prepared, is included the following steps:
(1) trishydroxymethylaminomethane-hydrochloride buffer that 200mmol dopamines are dissolved in 10mmol/L in beaker is molten In liquid, a 3cm*3cm cotton fabric is added in, stirring is for 24 hours.So that surface of cotton fabric adsorbs a strata dopamine;
(2) it is rinsed 2~3 times, is subsequently placed into 60 DEG C of convection ovens with deionized water after step (1) products obtained therefrom is taken out It places for 24 hours;
(3) under the conditions of later in tube furnace with 1000 DEG C of argon gas, carbonization treatment 1h obtains anode;
Electronic Speculum detection is scanned to gained anode, the results are shown in Figure 1, and Fig. 1 is to have loaded nitrogen in the embodiment of the present invention 1 Adulterate the SEM pictures of the cotton fabric anode of carbon nano-particle.In Fig. 1, (a), (b) and (c) figure are respectively blank cotton fabric not With the SEM pictures under enlargement ratio, (d), (e) and (f) are SEM picture of the blank carbonization cotton fabric under different enlargement ratios, (g), (h) and (i) is the SEM figures that the cotton fabric of carbon nano-particle has been attached in the embodiment of the present invention 1 under different enlargement ratios Piece.From figure 1 it appears that the ribbon of the cotton fabric of carbonization is more very thin, and the carbonization cotton fabric of nano particle is loaded Middle nano particle along carbonization cotton-textile fibres axial homoepitaxial.Surface topography has larger specific surface area in this way, and And be conducive to the transmission of electronics and be conducive to the attachment of bacterium to be formed on its surface biomembrane.
(4) electrode of gained is cut into 2cm*2cm, and is assembled into battery, carry out electro-chemical test.
Electro-chemical test condition is as follows:
Used by this experiment electro-chemical test be all Solartron 1480 (Solartron Analytical, England it) is carried out on electrochemical workstation.The electro-chemical tests such as cyclic voltammetric, chrono-amperometric use three-electrode system to implement In example 1 prepared electrode be working electrode, titanium silk electrode be auxiliary electrode, saturated calomel electrode (Hg/Hg2Cl2saturated With KCl) it is reference electrode.
As shown in Figure 2-5, Fig. 2 is under constant potential (0.2Vvs SCE) Electrochemical results, the electric currents of different anodes- Time plot;Fig. 3 is the current versus time curve figure of different anodes under constant current (0.1 μ A);Fig. 4 is the cycle of different anodes Voltammogram;Fig. 5 is the AC impedance figure of different anodes.The carbonized cotton that carbon nano-particle has been loaded it can be seen from Fig. 2~5 is knitted The electrode of object has more excellent electro-chemical activity compared to blank carbon felt.Carbon nano-particle coating enhances the conduction of electrode Property, there is good bioelectrochemistry activity, and increase the specific surface area of electrode, be conducive to the attachment of bacterium, promote The formation of biomembrane, so as to improve the output power of microbiological fuel cell.
The specific surface area for having loaded the carbonization fabric samples of carbon nano-particle is 888.47m2g-1, than the cotton fabric sample that is carbonized Product (CCT) (209.64m2g-1) and carbon felt (Carbon felt) (67m2g-1) specific surface area increase it is nearly 4.2 times and 13.2 times, Carbon nano-particle coating (NC@CCT) this is mainly due to N doping increases the specific surface area of electrode, shows that NC@CCT have Bigger is used for bacterial cell growth surface area, therefore considerably increases the total amount of bacterial cell.
Carbonization cotton fabric (2.8 ± 0.2mgcm of carbon nano-particle is loaded-3) biomass on surface is carbonization respectively Cotton fabric (1.9 ± 0.1mgcm-3) and carbon felt (1.6 ± 0.2mgcm-3) 1.47 and 1.75 times, it means that electrode table Face is more coarse, and more biomass are attached on anode.
Power polarization test
Power density curved measurement method:In period culture experiment, change different extrernal resistances, the Ω from 5000 to 50, often A resistance value runs 3 periods;Meanwhile output voltage is recorded, it is averaged, with annode area (4.0cm2) as seek unity of standard into Row calculates.Battery is placed in operation and test process in 30 DEG C of constant incubators.When finally calculating the power density of battery, electricity The area of pole prepares electrode material area using projected area (projected surface area), in embodiment 1 4cm2
Test result is as shown in Fig. 6~9, and Fig. 6 is under 1000 Ω extrernal resistances, and the MFCs based on different anodes is in start-up course In voltage output to the relational graph of time;Fig. 7 is the power density diagram of the MFCs based on different anodes, and Fig. 8 is based on difference The polarization curve of the MFCs of anode, Fig. 9 are anode and cathode potential curve figure.
It can be seen that the electrode of carbonization surface of cotton fabric attachment carbon nano-particle is compared to blank carbonized cotton from Fig. 6~9 Textile electrode has the output power of bigger as anode of microbial fuel cell.At identical conditions, based on having loaded carbon The maximum power density of the MFC of the carbonization cotton fabric anode of nano particle is 931 ± 61mWm-2, than the carbon felt anode of business Maximum power density (516 ± 27mW m-2) improve 80.5%.
Embodiment 2
(1) a 3cm*3cm cotton fabric is immersed into immersion, 1g L respectively-1、2g L-1And 3gL-1Ammonium molybdate solution in, Stirring is for 24 hours;
(2) it is rinsed 2~3 times, is subsequently placed into 60 DEG C of convection ovens with deionized water after step (1) products obtained therefrom is taken out It places for 24 hours;
(3) under the conditions of later in tube furnace with 1000 DEG C of argon gas, carbonization treatment 1h obtains anode;
To immersing 2g L in the present embodiment-1The anode that ammonium molybdate solution obtains is scanned Electronic Speculum detection, as a result such as Figure 10 Shown, Figure 10 is to have loaded the carbonization cotton fabric of molybdenum carbide nano particle under different enlargement ratios in the embodiment of the present invention 2 SEM pictures, in Figure 10 as can be seen that in having loaded the carbonization cotton fabric of molybdenum carbide nano particle, molybdenum carbide nano particle along The axial homoepitaxial of carbonization cotton-textile fibres.Surface topography has coarse electrode surface, larger specific surface area in this way, and And be conducive to the transmission of electronics and be conducive to the attachment of bacterium to be formed on its surface biomembrane.
(4) electrode of gained is cut into 2cm*2cm, and is assembled into battery and (corresponds to the concentration 1g L of ammonium molybdate solution-1、2g L-1With 3g L-1, corresponding electrode is denoted as 1Mo2C/CCT、2Mo2C/CCT、3Mo2C/CCT), electro-chemical test is carried out.
Electro-chemical test condition is as follows:
Used by this experiment electro-chemical test be all Solartron 1480 (Solartron Analytical, England it) is carried out on electrochemical workstation.The electro-chemical tests such as cyclic voltammetric, chrono-amperometric use three-electrode system to implement In example 2 prepared electrode be working electrode, titanium silk electrode be auxiliary electrode, saturated calomel electrode (Hg/Hg2Cl2saturated With KCl) it is reference electrode.
Power polarization test
Power density curved measurement method:In period culture experiment, change different extrernal resistances, the Ω from 5000 to 50, often A resistance value runs 3 periods;Meanwhile output voltage is recorded, it is averaged, with annode area (4.0cm2) as seek unity of standard into Row calculates.Battery is placed in operation and test process in 30 DEG C of constant incubators.When finally calculating the power density of battery, electricity The area of pole prepares electrode material area using projected area (projected surface area), in embodiment 2 4cm2
(1) power test knot is as shown in Figure 11~14, and Figure 11 is under 1000 Ω extrernal resistances, and the MFCs based on different anodes exists Voltage output in start-up course is to the relational graph of time, and Figure 12 is the current density versus time figure of different anodes, and Figure 13 is base In the polarization curve of the MFCs of different anodes, Figure 14 is the power density diagram of the MFCs based on different anodes.By Figure 11~14 As can be seen that immerse 2g L-1Ammonium molybdate solution in obtain loaded molybdenum carbide nano particle carbonization cotton fabric composition it is micro- Power density maximum (1.12 ± 0.01Wm of biological fuel cell-2), the maximum power density than the carbon felt anode of business carries It is high by 119%.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should It is considered as protection scope of the present invention.

Claims (9)

1. a kind of anode of microbial fuel cell, including carrier and the nano particle being supported on carrier;
The nano particle is carbon nano-particle, the carbon nano-particle of N doping, molybdenum carbide nano particle, tungsten carbide nano particle Or one or more of nickel-molybdenum carbide nano particle;
The carrier is one or more of cotton fabric, carbon felt or carbon cloth.
2. anode of microbial fuel cell according to claim 1, which is characterized in that the grain size < of the nano particle 100nm。
3. a kind of preparation method of anode of microbial fuel cell, includes the following steps:
A) carrier is immersed in modified material solution, is deposited;
The modified material solution is the mixed solution of nickel chloride and ammonium molybdate, the trishydroxymethylaminomethane containing dopamine- Hydrochloric acid buffer solution, aniline solution, the solution containing pyrrole monomer, ammonium molybdate solution or ammonium tungstate solution;
The carrier is one or more of cotton fabric, carbon felt or carbon cloth;
B) by step A) in product drying after calcine, obtain anode of microbial fuel cell.
4. preparation method according to claim 4, which is characterized in that the trishydroxymethylaminomethane-hydrochloride buffer is molten A concentration of 5~20mmol/L of liquid.
5. preparation method according to claim 4, which is characterized in that the mass concentration of aniline is in the aniline solution 0.5~5%;
The mass concentration of pyrrole monomer is 0.5~5% in the solution containing pyrrole monomer.
6. preparation method according to claim 4, which is characterized in that the mixed solution of the nickel chloride and ammonium molybdate, molybdenum A concentration of 0.5~2mol/L of acid ammonium solution and ammonium tungstate solution.
7. preparation method according to claim 4, which is characterized in that dry temperature is 50~80 DEG C;
The time of the drying is 18~36 hours.
8. preparation method according to claim 4, which is characterized in that the temperature of the calcining is 800~1000 DEG C;
The time of the calcining is 1~3 hour.
9. a kind of microbiological fuel cell, including the anode of microbial fuel cell or power described in claim 1~2 any one Profit requires anode of microbial fuel cell made from preparation method described in 3~8 any one.
CN201810082562.3A 2018-01-29 2018-01-29 A kind of anode of microbial fuel cell, preparation method and microbiological fuel cell Pending CN108172852A (en)

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Cited By (7)

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CN109136973A (en) * 2018-08-28 2019-01-04 南京工业大学 A kind of base metal doping molybdenum carbide hydrogen-precipitating electrode and its preparation method and application
CN109686987A (en) * 2018-12-17 2019-04-26 中国科学院广州能源研究所 A kind of load carbon/nitrogen titania nanotube matrix and its application in microbiological fuel cell
CN110047659A (en) * 2019-03-28 2019-07-23 南京理工大学 A kind of preparation method of biomass-based flexible electrode material
CN110060885A (en) * 2019-04-23 2019-07-26 华南理工大学 A kind of flexible fabric electrode and the preparation method and application thereof
CN110429286A (en) * 2019-08-16 2019-11-08 哈尔滨工业大学 Application of the titanium nitride nano stick array in anode of microbial fuel cell
CN111564642A (en) * 2020-05-29 2020-08-21 哈尔滨工业大学 Preparation method and application of niobium carbide nanoparticle modified carbon cloth electrode
CN111916768A (en) * 2020-07-31 2020-11-10 暨南大学 Nickel carbide material, nickel carbide cathode capable of enhancing power generation and preparation method and application of nickel carbide cathode

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