CN104091955B - A kind of air cathode of microbiological fuel cell and preparation method thereof - Google Patents
A kind of air cathode of microbiological fuel cell and preparation method thereof Download PDFInfo
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- CN104091955B CN104091955B CN201410342317.3A CN201410342317A CN104091955B CN 104091955 B CN104091955 B CN 104091955B CN 201410342317 A CN201410342317 A CN 201410342317A CN 104091955 B CN104091955 B CN 104091955B
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- 239000000446 fuel Substances 0.000 title claims abstract description 42
- 230000002906 microbiologic Effects 0.000 title claims abstract description 38
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 239000003054 catalyst Substances 0.000 claims abstract description 64
- 239000012528 membrane Substances 0.000 claims abstract description 38
- 239000007788 liquid Substances 0.000 claims abstract description 33
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 29
- 239000010959 steel Substances 0.000 claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229920000557 Nafion® Polymers 0.000 claims abstract description 11
- KFZMGEQAYNKOFK-UHFFFAOYSA-N iso-propanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000008367 deionised water Substances 0.000 claims abstract description 9
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 44
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 28
- 229910052799 carbon Inorganic materials 0.000 claims description 25
- 229910052697 platinum Inorganic materials 0.000 claims description 22
- NUJOXMJBOLGQSY-UHFFFAOYSA-N Manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 claims description 12
- 206010010254 Concussion Diseases 0.000 claims description 8
- 239000000428 dust Substances 0.000 claims description 8
- CRZONOFOLSLKLM-UHFFFAOYSA-N C12=CC=C(N1)C=C1C=CC(=N1)C=C1C=CC(N1)=CC=1C=CC(N1)=C2.C2(=CC=CC=C2)[Co] Chemical compound C12=CC=C(N1)C=C1C=CC(=N1)C=C1C=CC(N1)=CC=1C=CC(N1)=C2.C2(=CC=CC=C2)[Co] CRZONOFOLSLKLM-UHFFFAOYSA-N 0.000 claims description 7
- 239000000376 reactant Substances 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 230000000149 penetrating Effects 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000000813 microbial Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 12
- 239000004744 fabric Substances 0.000 description 11
- RTAQQCXQSZGOHL-UHFFFAOYSA-N titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 10
- 239000010936 titanium Substances 0.000 description 10
- 229910052719 titanium Inorganic materials 0.000 description 10
- 238000009792 diffusion process Methods 0.000 description 7
- 241000276438 Gadus morhua Species 0.000 description 6
- 235000019516 cod Nutrition 0.000 description 6
- 229920000049 Carbon (fiber) Polymers 0.000 description 5
- 239000004917 carbon fiber Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 239000002351 wastewater Substances 0.000 description 4
- 229950000845 Politef Drugs 0.000 description 3
- 230000037250 Clearance Effects 0.000 description 2
- 238000011030 bottleneck Methods 0.000 description 2
- 239000006229 carbon black Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000035512 clearance Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 241000790917 Dioxys <bee> Species 0.000 description 1
- 241000668709 Dipterocarpus costatus Species 0.000 description 1
- 206010054949 Metaplasia Diseases 0.000 description 1
- 210000001138 Tears Anatomy 0.000 description 1
- 239000010406 cathode material Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000002242 deionisation method Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000015689 metaplastic ossification Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Abstract
A kind of air cathode of microbiological fuel cell and preparation method thereof, the present invention relates to air cathode of a kind of single chamber air cathode microbial fuel cell and preparation method thereof, it is higher that it to solve the cost of air cathode in existing microbiological fuel cell, the problem of complex manufacturing technology.Air cathode of the present invention is made up of liquid catalyst, waterproof ventilated membrane and stainless (steel) wire, and liquid catalyst is applied on waterproof ventilated membrane, and stainless (steel) wire is stacked to waterproof ventilated membrane and is loaded with the side of liquid catalyst.Preparation method: one, catalyst, isopropanol, Nafion and deionized water are mixed with liquid catalyst；Two, liquid catalyst is applied on waterproof ventilated membrane；Three, stainless (steel) wire is stacked to waterproof ventilated membrane and is loaded with the side of liquid catalyst.The air cathode of the microbiological fuel cell of the present invention is cheap for manufacturing cost, and processing technology is simple, expends the time few, and the beneficially extension of air cathode produces.
Description
Technical field
The present invention relates to air cathode of a kind of single chamber air cathode microbial fuel cell and preparation method thereof.
Background technology
The constantly aggravation of energy crisis and environmental pollution forces people to find a kind of new cleaning fuel renewable, continuable；
On the other hand, traditional aerobic wastewater processing technology energy consumption is big, uneconomical, urges people to find one and can rationally realize waste water
Process and the substitute technology of resource.Microbiological fuel cell is a kind of can to realize at efficient waste water by the effect of microorganism
Reason, realizes the New Wastewater Treatment Technology art that in waste water, chemical energy converts to clean biometric matter electric energy simultaneously, but is also a kind of simultaneously
Challenge and opportunity the new technique deposited, current technical bottleneck problem essentially consists in and reduces negative electrode cost and how the most further
Reasonably realizing reactor extension, these 2 is that this technology realizes industrialization and business-like key at following success.
Microbiological fuel cell technology is development since being born, and has gradually formed a kind of approval, single chamber air up to now
Cathode microbial fuel cell cost is relatively low, simple in construction, reactor start-up are relatively easy with operation and extension, compared with it
Its type of reactor is the most reasonable and practical.The cost of this reactor is concentrated mainly on yin, yang electrode and associated materials,
Recently as going deep into of research, as the cheap materials such as carbon net, carbon felt, stainless (steel) wire have progressively replacement conventional electrode materials carbon
The trend of cloth, the most such as cheap catalyst such as activated carbon powder, tetramethoxy phenyl Cobalt Porphyrin, manganese dioxide is also proved to can
To replace traditional expensive metal catalyst platinum so that the cost of microbiological fuel cell has been greatly lowered at present, but right
For the negative electrode that structure is relative complex, its cost also has the space reduced further, needs to continue to probe into.On the other hand,
As an emerging sewage disposal technology, the extension of reactor is the technical bottleneck that reality border must be broken through before applying in fact,
For the most traditional structure of reactor, cathode construction is the most complicated, makes time-consuming, laborious, becomes reactor and expand
The restrictive factor changed, the simplification research hence around cathode construction and making also has practical significance.
Summary of the invention
The invention aims to solve the cost of air cathode in existing microbiological fuel cell higher, complex manufacturing technology
Problem, and provide the air cathode of a kind of microbiological fuel cell and preparation method thereof.
The air cathode of microbiological fuel cell of the present invention is made up of liquid catalyst, waterproof ventilated membrane and stainless (steel) wire, liquid
Catalyst is applied on waterproof ventilated membrane, and stainless (steel) wire is stacked to waterproof ventilated membrane and is loaded with the side of liquid catalyst, wherein
Liquid catalyst is mixed by catalyst, isopropanol, Nafion and deionized water, and described catalyst is that platinum quality contains
Amount is platinum C catalyst, carbon dust, tetramethoxy phenyl Cobalt Porphyrin or the manganese dioxide of 10%～20%.
The preparation method of the air cathode of microbiological fuel cell of the present invention follows these steps to realize:
One, catalyst, isopropanol, Nafion and deionized water being mixed, concussion stirs into thick, obtains liquid and urges
Agent；
Two, the liquid catalyst that step one obtains is applied in waterproof ventilated membrane and holds reactant liquor in microbiological fuel cell
Side, obtain being loaded with the waterproof ventilated membrane of catalyst；
Three, stainless (steel) wire is stacked to waterproof ventilated membrane and is loaded with the side of liquid catalyst, obtain microbiological fuel cell
Air cathode；
Wherein the catalyst described in step one be platinum mass content be 10%～20% platinum C catalyst, carbon dust, four methoxies
Base phenyl Cobalt Porphyrin or manganese dioxide.
Basic functionality structure in air cathode of the present invention is by base support material, air diffusion layer (waterproof) and catalyst
Three part compositions.Stainless (steel) wire is a kind of negative electrode basic material cheap, reliable, while negative electrode cost is greatly lowered
Can also ensure that negative electrode has firm structure, and then ensure the structural strength after negative electrode extension, therefore be elected to be negative electrode basis
Backing material；Roof for building/body of wall waterproof ventilated membrane price is extremely low, have light, thin, waterproof, ventilative, uvioresistant,
The multiple advantages such as anti tear, stretch-proof, low-temperature resistance, fully achieve the functional requirement of air diffusion layer in air cathode,
Replace conventional cathode coating complicated, that price is of a relatively high, around politef (PTFE) and carbon dust, therefore
It is elected to be air diffusion layer material；And catalyst can have multiple choices.
The air cathode of the present invention is applied in microbiological fuel cell, is the feelings of 1344 ± 50mg/L at inlet COD concentration
Under condition, effluent COD concentration can control at 57 ± below 25mg/L, and COD clearance is up to 95.8 ± 1.9%, passes than using
94.7 ± 0.9% (materials based on carbon cloth) and 93.8 ± 0.9% of the microbiological fuel cell that system cathode material makes are not (with
Material based on rust steel mesh) slightly higher.The steady voltage that can reach during operation exports up to 495～510mV (1000 Ω dispatches from foreign news agency
Under resistance), power density is up to 24.7W/m3.Disregarding the contribution of catalyst, the air cathode of this kind of microbiological fuel cell can
The price 235～1220 dollars/m that negative electrode cost is made from conventional cathode2It is reduced to 16 dollars/m2Left and right, have dropped about
93.3～98.8%, negative electrode make expend time in terms of can be reduced to about 0.5h from 5～8h, reduce about 90.0～
93.8%, while cost reduces, cathode-making process also becomes the simplest, thus the expansion metaplasia of more conducively air cathode
Produce.
Accompanying drawing explanation
Fig. 1 is the structural representation of the microbiological fuel cell reactor that Application Example one assembling obtains, outside 1 reactor
Shell, 2 air cathodes, 3 carbon brush anodes, 4 titanium silks, 5 water inlets, 6 wires, 7 resistance, 8 go out
The mouth of a river.
Detailed description of the invention
Detailed description of the invention one: the air cathode of present embodiment microbiological fuel cell is by liquid catalyst, waterproof ventilated membrane
Forming with stainless (steel) wire, liquid catalyst is applied on waterproof ventilated membrane, and stainless (steel) wire is stacked to waterproof ventilated membrane and is loaded with liquid
The side of body catalyst, wherein liquid catalyst is mixed by catalyst, isopropanol, Nafion and deionized water, institute
The catalyst stated be platinum mass content be platinum C catalyst, carbon dust, tetramethoxy phenyl Cobalt Porphyrin or the dioxy of 10%～20%
Change manganese.
The air cathode of the microbiological fuel cell described in present embodiment is low relative to the preparation cost of traditional air cathode,
Existing air cathode generally comprises carbon black/polytetrafluoroethylene floor (1 layer), politef air diffusion layer (3～4 layers)
And catalyst layer, and the basic material of the air cathode of present embodiment selects cheap stainless (steel) wire, Non-carbon black/polytetrafluoro
Pvdf layer, air diffusion layer uses price to be about 1 dollar/m2The waterproof ventilated membrane of left and right, thus it is cloudy to greatly reduce air
The cost of pole.
Detailed description of the invention two: present embodiment thickness of waterproof ventilated membrane unlike detailed description of the invention one be 0.05～
0.15mm。
Detailed description of the invention three: present embodiment steam of waterproof ventilated membrane unlike detailed description of the invention one or two is saturating
Excess is 1000～2500g/ (m224h), impermeability is 1500～3000mm.
Detailed description of the invention four: present embodiment mesh number of stainless (steel) wire unlike one of detailed description of the invention one to three is
40～400 mesh.
Detailed description of the invention five: the preparation method of the air cathode of present embodiment microbiological fuel cell follows these steps to reality
Existing:
One, catalyst, isopropanol, Nafion and deionized water being mixed, concussion stirs into thick, obtains liquid and urges
Agent；
Two, the liquid catalyst that step one obtains is applied in waterproof ventilated membrane and holds reactant liquor in microbiological fuel cell
Side, obtain being loaded with the waterproof ventilated membrane of catalyst；
Three, stainless (steel) wire is stacked to waterproof ventilated membrane and is loaded with the side of liquid catalyst, obtain microbiological fuel cell
Air cathode；
Wherein the catalyst described in step one be platinum mass content be 10%～20% platinum C catalyst, carbon dust, four methoxies
Base phenyl Cobalt Porphyrin or manganese dioxide.
The mode that the preparation method of present embodiment air cathode uses stainless (steel) wire to be combined with waterproof ventilated membrane makes, structure letter
Single, it is simple to safeguard, stainless (steel) wire supports as cathode construction, and mechanical strength is high.System is simplified relative to existing pressure sintering
Standby step, production of suitably magnifying.
Detailed description of the invention six: present embodiment unlike detailed description of the invention five step one by 7～15mg platinum quality
Content is platinum C catalyst, 25～50uL isopropanol, 50～100uL Nafion and 6.25～the 12.5uL deionization of 20%
Water mixes, and concussion stirs into thick.Other step and parameter are identical with detailed description of the invention five.
Detailed description of the invention seven: present embodiment step 3 unlike detailed description of the invention five or six is 40 purposes not
Rust steel mesh.Other step and parameter are identical with detailed description of the invention five or six.
Embodiment one: the preparation method of the air cathode of the present embodiment microbiological fuel cell follows these steps to realize:
One, by platinum C catalyst that 15mg platinum mass content is 20%, 50uL isopropanol, 100uL Nafion and 12.5uL
Deionized water mixes, and concussion stirs into thick, obtains liquid catalyst；
Two, the liquid catalyst that step one obtains is applied in waterproof ventilated membrane and holds reactant liquor in microbiological fuel cell
Side, obtain being loaded with the waterproof ventilated membrane of catalyst；
Three, stainless (steel) wire is stacked to waterproof ventilated membrane and is loaded with the side of liquid catalyst, obtain microbiological fuel cell
Air cathode.
Waterproof ventilated membrane in the present embodiment step 2 selects the M100 type Puli China that Ningbo Mountain Spring Building Material Co., Ltd. produces
Film (BREAWARF), roof the most for building/body of wall waterproof ventilated membrane, as air diffusion layer, this air diffusion layer
Low temperature flexibility scope is at about-40 DEG C.Stainless (steel) wire in step 3 selects 40 mesh stainless (steel) wires of model SUS304.
The air cathode obtained by the present embodiment is applied in the reactor of microbiological fuel cell as shown in Figure 1, chooses carbon
Fiber, as microorganism attachment and growing environment, takes the carbon fiber of equal length, laterally uniform on a Titanium silk,
Centered by titanium silk, both sides carbon fiber length is equal, then takes another root titanium silk and first titanium silk is overlapping, i.e. with two
Carbon fiber is clamped by titanium silk, fixing titanium silk one end, reverses titanium silk from opposite side, makes titanium silk form spiral in twist process
Carbon fiber bundle, thus form the cylindrical carbon brush anode that draw ratio is 1:1, carbon brush anode is fixed to dischargeable capacity is
In the cube reactor of 28mL, titanium silk end stretches out reactor, is exposed to outside reactor.The air that Example one obtains
Negative electrode is placed in reactor opposite side, have platinum C catalyst and stainless (steel) wire one side to reactor inside, with wire by carbon brush sun
Pole, 1000 Ω resistance and air cathode connect, and complete the assembling of microbiological fuel cell reactor.
Comparative example: tradition preparation method of the air cathode of material based on carbon cloth follows these steps to realize:
One, take carbon cloth a piece of, turbid with the politef that concentration is 20% for carbon dust liquid (PTFE) is mixed, concussion mixing
After be applied in carbon cloth side, after drying at room temperature 10min in the Muffle furnace of 370 DEG C heat treated 20min, room temperature cool down
Obtain initial carbon cloth；
Two, continue to smear on initial negative electrode the PTFE that concentration is 60%, after room temperature cooling 10min, in 370 DEG C of horses
Not carry out heat treated 20min, the process repeatedly smear, heated three times in stove, obtain being loaded with the carbon cloth of PTFE layer；
Three, by platinum C catalyst that 15mg platinum mass content is 20%, 50uL isopropanol, 100uL Nafion and 12.5uL
Deionized water mixes, and concussion stirs into thick, obtains liquid catalyst, liquid catalyst is applied in carbon cloth without PTFE
The side of layer, obtains air cathode based on carbon cloth.
Carbon cloth described in this comparative example's step one is replaced with stainless (steel) wire, then obtains air based on stainless (steel) wire cloudy
Pole.
The present embodiment is in the case of inlet COD concentration is 1344 ± 50mg/L, and effluent COD concentration can be
57 ± below 25mg/L, COD clearance is up to 95.8 ± 1.9%, the microbiological fuel cell under making than conventional cathode
94.7 ± 0.9% (materials based on carbon cloth) and 93.8 ± 0.9% (materials based on stainless (steel) wire) are slightly higher.During operation
The steady voltage that can reach exports up to 495～510mV (under 1000 Ω external resistances), and power density is up to 24.7W/m3。
This kind of air cathode is cheap simultaneously, makes the consuming time short.
Claims (6)
1. the air cathode of a microbiological fuel cell, it is characterised in that the air cathode of this microbiological fuel cell is by liquid
Catalyst, waterproof ventilated membrane and stainless (steel) wire composition, liquid catalyst is applied on waterproof ventilated membrane, and stainless (steel) wire is stacked to
Waterproof ventilated membrane is loaded with the side of liquid catalyst, wherein liquid catalyst by catalyst, isopropanol, Nafion and go from
Sub-water is mixed, described catalyst be platinum mass content be 10%～20% platinum C catalyst, carbon dust, tetramethoxy
Phenyl Cobalt Porphyrin or manganese dioxide, wherein waterproof ventilated membrane is roof for building/body of wall waterproof ventilated membrane, its steam penetrating capacity
It is 1000～2500g/ (m224h), impermeability is 1500～3000mm.
The air cathode of a kind of microbiological fuel cell the most according to claim 1, it is characterised in that waterproof ventilated membrane
Thickness is 0.05～0.15mm.
The air cathode of a kind of microbiological fuel cell the most according to claim 1, it is characterised in that the mesh of stainless (steel) wire
Number is 40～400 mesh.
4. the preparation method of the air cathode of microbiological fuel cell, it is characterised in that be to follow these steps to realize:
One, catalyst, isopropanol, Nafion and deionized water being mixed, concussion stirs into thick, obtains liquid catalyst
Agent；
Two, the liquid catalyst that step one obtains is applied in waterproof ventilated membrane and holds reactant liquor in microbiological fuel cell
Side, obtain being loaded with the waterproof ventilated membrane of catalyst；
Three, stainless (steel) wire is stacked to waterproof ventilated membrane and is loaded with the side of liquid catalyst, obtain microbiological fuel cell
Air cathode；
Wherein the catalyst described in step one be platinum mass content be 10%～20% platinum C catalyst, carbon dust, four methoxies
Base phenyl Cobalt Porphyrin or manganese dioxide；Waterproof ventilated membrane described in step 2 is roof for building/body of wall waterproof ventilated membrane, its water
Vapor permeation amount is 1000～2500g/ (m224h), impermeability is 1500～3000mm.
The preparation method of the air cathode of microbiological fuel cell the most according to claim 4, it is characterised in that step one
By platinum C catalyst, 25～50uL isopropanol, 50～100uL Nafion and 6.25 that 7～15mg platinum mass content are 20%～
12.5uL deionized water mixes, and concussion stirs into thick.
The preparation method of the air cathode of microbiological fuel cell the most according to claim 4, it is characterised in that step 3
In be the stainless (steel) wire of 40 mesh.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410342317.3A CN104091955B (en) | 2014-07-18 | A kind of air cathode of microbiological fuel cell and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410342317.3A CN104091955B (en) | 2014-07-18 | A kind of air cathode of microbiological fuel cell and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN104091955A CN104091955A (en) | 2014-10-08 |
| CN104091955B true CN104091955B (en) | 2016-11-30 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102306807A (en) * | 2011-08-17 | 2012-01-04 | 华南理工大学 | Cathode of film-free air microbial fuel cell and manufacturing method thereof |
| CN103165931A (en) * | 2013-02-28 | 2013-06-19 | 哈尔滨工业大学 | Method of disposing kitchen waste and recovering electric power with air cathode microbial fuel cell |
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102306807A (en) * | 2011-08-17 | 2012-01-04 | 华南理工大学 | Cathode of film-free air microbial fuel cell and manufacturing method thereof |
| CN103165931A (en) * | 2013-02-28 | 2013-06-19 | 哈尔滨工业大学 | Method of disposing kitchen waste and recovering electric power with air cathode microbial fuel cell |
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Inventor after: Xing Defeng Inventor after: Tang Yu Inventor after: Mei Xiaoxue Inventor after: Zhuang Huichuan Inventor before: Xing Defeng Inventor before: Tang Yu Inventor before: Zhuang Huichuan Inventor before: Wang Ruiwen Inventor before: Xie Binghan |
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