CN106876760B - One kind can expand continuous current membrane-free air-anode microbial - Google Patents

One kind can expand continuous current membrane-free air-anode microbial Download PDF

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Publication number
CN106876760B
CN106876760B CN201710046929.1A CN201710046929A CN106876760B CN 106876760 B CN106876760 B CN 106876760B CN 201710046929 A CN201710046929 A CN 201710046929A CN 106876760 B CN106876760 B CN 106876760B
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chamber
cathode
anode
cathode chamber
anode chamber
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CN106876760A (en
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倪红军
卓露
吕帅帅
汪兴兴
朱昱
黄明宇
周一丹
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Nantong University
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Nantong University
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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
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/005Combined electrochemical biological processes
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/34Biological treatment of water, waste water, or sewage characterised by the microorganisms used
    • 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
    • H01M8/02Details
    • H01M8/0202Collectors; Separators, e.g. bipolar separators; Interconnectors
    • H01M8/023Porous and characterised by the material
    • H01M8/0234Carbonaceous material
    • 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 invention discloses one kind can expand continuous current membrane-free air-anode microbial, including crust of the device, the anode chamber of device sealing cover and interphase distribution and cathode chamber.Mountable different materials electrode in anode chamber or in cathode chamber is connected to by runner between anode chamber or between cathode chamber, is connected between anode chamber and cathode chamber by aperture, side wall of outer shell has inlet and outlet.Crust of the device is equipped with conducting wire in each the anode chamber and the cathode chamber bottom, is connected to each the anode chamber and the cathode chamber and outer load.Device sealing cover is provided with aperture above cathode chamber, so that cathode chamber is connected to outside air, promotes cathode reaction.The configuration of the present invention is simple can infinitely be expanded according to actual needs, and cathode and anode material and its installation form can be not necessarily to proton exchange membrane, so that sewage is purified, produce electricity simultaneously according to requiring to be converted.

Description

One kind can expand continuous current membrane-free air-anode microbial
Technical field
The present invention relates to a kind of microbiological fuel cells, in particular to what one kind can be expanded infinitely is used for the micro- of sewage treatment Biological fuel cell device.
Background technique
Microbiological fuel cell is a kind of device that chemical energy in organic matter is directly translated into electric energy using microorganism. The basic functional principle of microbiological fuel cell is: under anode chamber's anaerobic environment, organic matter decomposes simultaneously under microbial action Electronics and proton are released, electronics is effectively transmitted between biological components and anode by suitable electron transfer mediator, And cathode is transmitted to by external circuit and forms electric current, and proton is transmitted to cathode by proton exchange membrane, oxidant is (generally Oxygen) it obtains electronics in cathode and is reduced to be combined into water with proton.Microbiological fuel cell mostly uses double chamber type, that is, includes sun Pole room and cathode chamber, centre are separated frequently with proton exchange membrane.But proton exchange membrane not only increases the internal resistance of cell and involves great expense, Also it is unfavorable for the practical popularization of microbiological fuel cell.Although continuous with electrode of microbial fuel cell and reactor configuration It improves, monomer energy density rapid development, problem remain, however, that the internal resistance of cell is larger, energy density is low;It can use It is more single to make substrate waste water;Battery is mostly service intermittent, needs to constantly change substrate;Electrode material structure is single, Electricity-producing microorganism amount is few, is unfavorable for energy production;Cell reaction device apparatus structure is complicated and not extendible, seriously limits its reality It promotes and applies.
Summary of the invention
The purpose of the present invention is to overcome the above shortcomings, and continuous flow can be expanded without the micro- life of film air cathode by providing one kind Object fuel-cell device.
The technical scheme is that the invention discloses one kind can expand continuous flow without film air cathode microbial fuel Cell apparatus, including crust of the device, the anode chamber of device sealing cover and interphase distribution and cathode chamber.In anode chamber or in cathode chamber Mountable different materials electrode is connected to, runner and cathode between anode chamber between anode chamber or by the runner with strainer between cathode chamber Runner is arranged in a staggered manner up and down between room, and wherein at least one group between device outermost adjacent anode chamber and cathode chamber by small Hole connection, one group on the other side has water inlet in device outermost adjacent anode chamber and cathode chamber side wall of outer shell And water outlet.Crust of the device is equipped with conducting wire in each the anode chamber and the cathode chamber bottom, is connected to each the anode chamber and the cathode chamber and outer load.Device is close It is sealed on above cathode chamber and is provided with aperture, so that cathode chamber is connected to outside air, promote cathode reaction.Pretreated water stream passes through Water inlet continuously flows into anode chamber, and Organic substance in water generates electronics under microorganism catalysis effect and proton, electronics pass through dispatch from foreign news agency Road flows through load and reaches cathode, and proton is using the water flow in channel as carrier migration to cathode chamber, so that anode chamber's group and cathode chamber Portion's electrical communication in the device is organized, and produces electricl energy fuel-cell device while handling sewage.
Anode and cathode electrode is all the conductive material with preferable biocompatibility, and the conductive material can be carbon-based Carbon brush, carbon cloth, carbon paper or the active carbon particle of material, electrode are immersed in flowing water, and the minimum diameter of electrode minimum unit is greater than Runner strainer maximum caliber.Anode chamber's external wire is connected as one, and carries out external electricity in series with cathode chamber external wire Road.Adjacent anode and cathode external wire can be connected and composed single battery pack by cell apparatus, and multiple single battery packs are in parallel Obtain maximum external circuits electric current.Organic sewage is that sanitary sewage, industrial wastewater, agricultural wastes or poultry waste etc. are all kinds of Organic sewage.
Compared with the prior art, the invention has the advantages that: 1) continuous flow operating mode is used, proton exchange is not used Film, structure is simple, does not need manually to replace base material, substantially reduces the internal resistance of cell and manufacture maintenance cost, improves energy benefit With efficiency and battery energy density;2) using all kinds of organic sewages such as sanitary sewage, industrial wastewater and agricultural wastes as matrix, It is produced electricl energy while handling sewage;3) using with preferable biocompatibility conductive material or green plants as electrode Material, it is not only cheap, but also greenhouse gases carbon dioxide is not discharged in electricity generation process, it is a kind of clean energy resource production Device;4) cell apparatus can carry out size adjusting according to practical application request and can infinitely expand, and practical application value is big.
Detailed description of the invention:
Fig. 1 (a) is the top view of an example of crust of the device in the present invention.
Fig. 1 (b) is the cross-sectional view of an example of crust of the device in the present invention.
Fig. 2 (a) is the top view of an example of device sealing cover in the present invention.
Fig. 2 (b) is the main view of an example of device sealing cover in the present invention.
Fig. 3 is the top view of an example of crust of the device in the present invention.
Fig. 4 is the perspective view of part-structure of the present invention.
Fig. 5 is the perspective view of another part of the present invention.
Fig. 6 is the perspective view of device sealing cover in the present invention.
Figure label: runner, 5- cathode between the anode chamber 1- (a-h), 2- cathode chamber (a-h), 3- crust of the device, the anode chamber 4- Through-hole, 10- external circuit are logical between mono- group of runner, two side screen of 6- runner, 7- water inlet, 8- water outlet, 9- the anode chamber and the cathode chamber between room Road, 11- microbial fuel cell unit sealing cover, corresponding through-hole above cathode chamber on 12- sealing cover;Wherein "+" is anode chamber, "-" is cathode chamber.
Specific embodiment:
It in order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below will be in the embodiment of the present invention Technical solution be clearly and completely described, it is clear that described embodiments are some of the embodiments of the present invention, rather than Whole embodiments.The elements and features described in one embodiment of the invention can be with one or more other realities Elements and features shown in mode are applied to combine.It should be noted that being omitted for purposes of clarity, in explanation and nothing of the present invention Expression and description close, component known to persons of ordinary skill in the art and processing.Based on the embodiments of the present invention, ability Domain those of ordinary skill every other embodiment obtained under the premise of not making the creative labor, belongs to the present invention The range of protection.
Making for continuous current membrane-free air-anode microbial can be expanded with regard to one kind of present embodiment below It is described in detail with method.In addition, for purposes of illustration only, the dimension scale of attached drawing is changed, often with actual ratio It is different.
[first embodiment]
One example of the microbial fuel cell unit shell of present embodiment as shown in figures 1(a) and 1(b), including Anode chamber 1(a-e), cathode chamber 2(a-d), crust of the device 3, runner 5, two side screen of runner between runner 4, cathode chamber between anode chamber 6, through-hole 9 and external circuit channel 10 between 8, one groups of water inlet 7, water outlet the anode chamber and the cathode chamber.
Anode chamber 1(a-e) or cathode chamber 2(a-d) be all equal-sized square, interphase distribution and combine composition one The crust of the device 3 of 3 × 3 cuboid nine grids, anode chamber's number are greater than cathode chamber number.Anode chamber 1(a-e) between pass through runner 4 Connection, the cathode chamber 2(a-d) between be connected to by runner 5, about 5 runner is staggered and sets between runner 4 and cathode chamber between anode chamber It sets, 5 two sides of runner are equipped with strainer 6 between runner 4 and cathode chamber between anode chamber, wherein the anode chamber adjacent in device outermost It 1(b) is connected between cathode chamber 2(a) by aperture 9, the one group on the other side anode chamber 1 adjacent in device outermost (d) side wall of outer shell has water inlet 7 and water outlet 8 with cathode chamber 2(d), so that cell apparatus can be with continuous operation.Anode Room side wall and bottom substrate material are all insulating materials, and bottom is equipped with wire interface 10, jointed anode electrode and external circuit.Anode It is all carbon brush with cathode electrode, constructs material anode, electrode is immersed in flowing water.Anode chamber's external wire is connected as one, with Cathode chamber external wire carries out external circuits in series.Pretreated water stream continuously flows into anode chamber 1(d by water inlet 7), into And all anode chambers are flowed through, Organic substance in water generates electronics and proton under microorganism catalysis effect, and proton between anode chamber to flow Water flow in road 4 is carrier migration to anode chamber 1(b), pours into cathode chamber 2(a by aperture 9) so that anode chamber's group and cathode Room group portion's electrical communication in the device, electronics flows through load by anode chamber, external circuit channel, bottom 10 and reaches cathode, and makes Fuel-cell device produces electricl energy while handling sewage.
Such as Fig. 2 (a) and 2(b) respectively indicate present embodiment microbial fuel cell unit sealing cover an example Top view and main view, sealing cover, which corresponds to, is provided with through-hole to connect extraneous oxygen at cathode center, promote cathode reaction.
Thus embodiment can derive the knot of 5 × 5 cuboid crusts of the device, 7 × 7 cuboid crusts of the device ... Structure, this structure are referred to as odd number shell.
[second embodiment]
The top view of one example of the microbial fuel cell unit shell of present embodiment as shown in figure 3, for The identical composition of first embodiment marks identical symbol, and repeat description is omitted.
Anode chamber 1(a-h) or cathode chamber 2(a-h) be all equal-sized square, interphase distribution and combine composition one The rectangular body device 3 of 4*4, anode chamber's number are equal to cathode chamber number.Anode chamber 1(a-h) between be connected to by runner 4, cathode chamber 2 (a-h) it is connected between by runner 5, about 5 runner is arranged in a staggered manner between runner 4 and cathode chamber between anode chamber, 4 He of runner between anode chamber 5 two sides of runner are equipped with strainer 6 between cathode chamber, wherein the anode chamber 1(b adjacent in device outermost) and cathode chamber 2(b) it Between be connected to by aperture 9, the one group on the other side anode chamber 1(g adjacent in device outermost) and cathode chamber 2(g) shell Side wall has water inlet 7 and water outlet 8, so that cell apparatus can be with continuous operation.Anode chamber's side-wall material is insulation material Material, bottom substrate material upper layer are conductive material, and lower layer is insulating materials, and wire interface 10 runs through bottom upper and lower level, connection sun Pole electrode and external circuit.Anode is active carbon particle, constructs material anode, and electrode is immersed in flowing water, and the cathode electrode is Biological-cathode can produce oxygen, and cathode chamber reaction, reaches self-sufficiency where promoting.Cell apparatus will be outside adjacent anode and cathode Connect conducting wire and connect and compose single battery pack, i.e. 1(a) and 2(a) be one group, 1(b) and 2(b) be one group, 1(c) and 2(c) be one A-h group 8 single battery pack parallel connections are simultaneously obtained maximum external circuits electric current by group ....
Present embodiment device operational process is similar with first embodiment, and repeated explanation is omitted.
Thus embodiment can derive the knot of 6 × 6 cuboid crusts of the device, 8 × 8 cuboid crusts of the device ... Structure, this structure are referred to as even number shell.
Finally, it should be noted that although the present invention and its advantage have been described in detail above it should be appreciated that not Can be carried out in the case where beyond the spirit and scope of the present invention being defined by the claims appended hereto various changes, substitution and Transformation.Moreover, the scope of the present invention is not limited only to the specific reality of process, equipment described in specification, means, method and steps Apply example.One of ordinary skilled in the art holds from the disclosure it will be readily understood that can be used according to the present invention The row function essentially identical to corresponding embodiment described herein obtains the result essentially identical with it, existing and future Process, equipment, means, method or step to be developed.Therefore, the attached claims are intended to wrap in the range of them Include such process, equipment, means, method or step.

Claims (2)

1. one kind can expand continuous current membrane-free air-anode microbial, including crust of the device, device sealing cover And anode chamber and the cathode chamber of interphase distribution, it is characterised in that: in the anode chamber or cathode indoor location different materials electrode, It is connected between the anode chamber or by the runner with strainer between cathode chamber, runner is staggered up and down between runner and cathode chamber between anode chamber Setting, wherein at least one group is connected between device outermost adjacent anode chamber and cathode chamber by aperture, in contrast One group have inlet and outlet in the adjacent anode chamber and cathode chamber side wall of outer shell of device outermost, for defeated Enter and be discharged organic sewage, described device shell is equipped with conducting wire in each the anode chamber and the cathode chamber bottom, be connected to each the anode chamber and the cathode chamber with Outer load, described device sealing cover is provided with aperture above cathode chamber, so that cathode chamber is connected to outside air, promotes cathode anti- It answers, the anode chamber and cathode chamber are all equal-sized square, and the two interphase distribution simultaneously combines one cuboid dress of composition It sets, anode chamber's number is greater than the cathode chamber number, and anode chamber's side wall and bottom substrate material are all insulating materials, bottom Equipped with wire interface, jointed anode electrode and external circuit, anode chamber's side-wall material are insulating materials, on bottom substrate material Layer is conductive material, and lower layer is insulating materials, and wire interface runs through bottom upper and lower level, jointed anode electrode and external circuit, described Cathode chamber bottom is equipped with wire interface, jointed anode electrode and external circuit, and the anode and cathode electrode is all to have more quite The conductive material of object compatibility, the conductive material are carbon brush, carbon cloth, carbon paper or the active carbon particle of carbon-based material, the electricity Pole is immersed in flowing water, and the minimum diameter of the electrode minimum unit is greater than runner strainer maximum caliber, and the cathode electrode is Biological-cathode, anode chamber's external wire are connected as one, and carry out external electricity in series with the cathode chamber external wire Adjacent anode and cathode external wire is connected and composed single battery pack by road, the cell apparatus, and multiple single battery packs are in parallel Obtain maximum external circuits electric current.
2. one kind according to claim 1 can expand continuous current membrane-free air-anode microbial, special Sign is: the organic sewage is sanitary sewage, industrial wastewater, agricultural wastes or poultry waste.
CN201710046929.1A 2017-01-22 2017-01-22 One kind can expand continuous current membrane-free air-anode microbial Active CN106876760B (en)

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CN110048146B (en) * 2019-04-26 2021-09-28 南通大学 Negative pressure adsorption type microbial fuel cell

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102249424A (en) * 2011-04-02 2011-11-23 大连民族学院 Proton exchange membrane-free microbiological fuel cell sewage treatment system and application method thereof
CN103098283A (en) * 2010-01-14 2013-05-08 J·克雷格·文特尔研究所 Modular energy recovering water treatment devices
CN105355950A (en) * 2015-10-26 2016-02-24 中国科学院城市环境研究所 Large-scale biological negative electrode microbial fuel cell stack apparatus

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103098283A (en) * 2010-01-14 2013-05-08 J·克雷格·文特尔研究所 Modular energy recovering water treatment devices
CN102249424A (en) * 2011-04-02 2011-11-23 大连民族学院 Proton exchange membrane-free microbiological fuel cell sewage treatment system and application method thereof
CN105355950A (en) * 2015-10-26 2016-02-24 中国科学院城市环境研究所 Large-scale biological negative electrode microbial fuel cell stack apparatus

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