CN107058114A - Ocean produces electricity microalgae and its application - Google Patents
Ocean produces electricity microalgae and its application Download PDFInfo
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- CN107058114A CN107058114A CN201710432010.6A CN201710432010A CN107058114A CN 107058114 A CN107058114 A CN 107058114A CN 201710432010 A CN201710432010 A CN 201710432010A CN 107058114 A CN107058114 A CN 107058114A
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N1/00—Microorganisms, e.g. protozoa; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor
- C12N1/12—Unicellular algae; Culture media therefor
- C12N1/125—Unicellular algae isolates
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/16—Biochemical fuel cells, i.e. cells in which microorganisms function as catalysts
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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Abstract
The present invention relates to marine microalgae, specifically a kind of marine microalgae with electricity production activity and its application in electrochemistry.Micro- plan ball algae (Nanochloropsis sp.) HDY2 is preserved in China Committee for Culture Collection of Microorganisms's common micro-organisms center, address on March 22nd, 2017：China, Beijing, Institute of Microorganism, Academia Sinica, postcode：100101, deposit number is：CGMCC 13868, taxology is named as micro- plan ball algae (Nanochloropsis sp.).Micro- plan ball algae (Nanochloropsis sp.) belongs to seawater microalgae, it is easy to culture, it can be grown in general algae sea water medium, intend ball algae using photosynthesis microorganism fuel cell technology for detection is micro-, it was found that it has obvious electricity production activity, with higher economic value and wide application prospect.
Description
Technical field
It is specifically a kind of to there is the marine microalgae of electricity production activity and its in electrochemistry the present invention relates to marine microalgae
Application.
Background technology
At present, the new energy that human development is utilized includes wind energy, solar energy, nuclear energy, ocean energy and biomass energy etc..Its
In the biomass energy from solar energy there is recyclability, can replace fossil fuel, with widely using value as one kind
With the energy of DEVELOPMENT PROSPECT it is of increased attention and research.
Microbiological fuel cell technology is exactly to pass through the new of biomass generation biological power using microorganism especially bacterium
Method., can be by the catalytic action of microorganism directly by simple organic molecule or complicated raw using microbiological fuel cell
Chemical energy in material molecule is converted into available electric energy, while can also realize organic matter conversion or degrade.Therefore, micro- life
Thing fuel cell technology has broad application prospects in terms of clean energy resource production, pollution control, environment remediation.
The electricity-producing microorganism of microbiological fuel cell electricity generation process Anodic is played a great role, these electricity-producing microorganisms tool
There is special extracellular electron transport route, electronics from intracellular can be gone to extracellular solid electronic acceptor, such as metal oxygen
Compound, electrode etc., so as to realize generation or the environmental pollution improvement of electric energy.
The electricity-producing microorganism having now been found that is largely bacterium, is concentrated mainly on the different subphylums of Proteobacteria, representative
Electricity production bacterium bag include the Shewanella (Shewanella sp.) of γ-Proteobacteria and the ground bacillus of δ-Proteobacteria
(Geobacter sp.), and it is very few all to derive from the electricity production bacterium report in terrestrial environment, ocean.
In recent years, it has been found that some photoautotrophy microalgaes also have the activity of extracellular electron transmission, these electricity production microalgaes
CO is fixed using luminous energy2, can be extracellular by the electronics outflow of intracellular in photosynthesis, pass through in microbiological fuel cell
Electrode, which is received, produces electric energy.Compared with traditional electricity-producing microorganism, microalgae is that photoautotrophy type is biological, is distributed widely in land, sea
Ocean, its nutritious, photosynthetic utilization rate is high, without organic nutrition.Therefore, microalgae as Biomass Energy Utilization important species
One of, its energy development receives much concern.
Belonging to Cyanophyta and Chlorophyta the electricity production microalgae reported at present more, mainly there is Synechococcus (Synechocystis
Sp.), chlorella (Chlorella vulgaris), Chlamydomonas reinhardtii (Chlamydomonas reinhardtii), spirulina
(Spirulina sp.), Dunaliella salina (Dunaliella tertiolecta) etc., electricity production activity differ, and only very few
Several reports.Simultaneously on electricity production microalgae, the understanding of especially ocean electricity production microalgae is also extremely short of, and the current country, which there is no, to be relevant to
Ocean produces electricity the report of microalgae.
The content of the invention
Present invention aims at at present electricity production microalgae research present situation there is provided a kind of electricity production microalgae from ocean-
Micro- plan ball algae (Nanochloropsis sp.), and the application in microbiological fuel cell.
To achieve the above object, the technical solution adopted by the present invention is：
A kind of ocean produces electricity microalgae, and electricity production microalgae is micro- plan ball algae (Nanochloropsis sp.) HDY2, in 2017
On March 22, in is preserved in China Committee for Culture Collection of Microorganisms's common micro-organisms center, address：China, Beijing, China
Institute of microbiology of the academy of sciences, postcode：100101, deposit number is：CGMCC No. 13868, taxology is named as micro- plan ball
Algae (Nanochloropsis sp.).
A kind of ocean described in claim 1 produces electricity the application of microalgae, micro- application for intending ball algae in electrochemistry.
Micro- plan ball algae discharges electronics, in microbiological fuel cell in Phytoplankton ＆ Suspension culture medium under illumination condition
Application in electrochemistry is realized by electron transmission.
The microbiological fuel cell fires for the double-chamber microbiological fuel cell or single-chamber microbial at amberplex interval
Expect battery.
Micro- plan ball algae is cultivated in Phytoplankton ＆ Suspension culture medium is seeded to microbiological fuel cell to exponential phase
Anode chamber, micro- plan ball algae release electronics is made under illumination condition, passes through electron transmission and realizes the application in electrochemistry.
Specifically：
A) aseptically, micro- plan ball algae (Nanochloropsis sp.) is inoculated in the training of F/2 Phytoplankton ＆ Suspensions
Support in base, 54 μm of ol quanta/ (m2.s) illumination, 12：12h Light To Dark Ratios, 25 ± 1 DEG C of cultures are standby to exponential phase；
B) micro algae culturing liquid of above-mentioned culture to logarithmic phase is inoculated in the anode chamber of photosynthesis microorganism fuel cell, negative electrode
Room solution is K3Fe(CN)6, prepared using phosphate buffer pH7.8；
C) photosynthesis microorganism fuel cell negative and positive the two poles of the earth of structure are connected, and outer meeting resistance, in 54 μm of ol quanta/
(m2.s) illumination, 12：Under 12h Light To Dark Ratios, 25 ± 1 DEG C of condition of culture, the generation of electric energy is realized.
D) furthermore with electrochemical workstation, oxygen of the algae in double-chamber microbiological fuel cell is detected using cyclic voltammetry
Change reduction characteristic, inquire into it and produce electricity mechanism.
Micro- plan ball algae (Nanochloropsis sp.) has unique extracellular electron transport route, can be in seawater algae
In class culture medium (pH ≈ 7.8), grown under illumination condition using inorganic salts, discharge electronics, transmitted in microbiological fuel cell
To anode, the generation of electric energy is realized.
Present invention advantage compared with prior art is：
Micro- plan ball algae (Nanochloropsis sp.) that the present invention is obtained belongs to marine microalgae, and microbial ratio, no
Organic carbon source is needed, anaerobism is not required to, carbon dioxide is fixed merely with luminous energy, is grown in general Phytoplankton ＆ Suspension culture medium, easily
In culture, with good electro-chemical activity.Microalgae can utilize nitrogen, the phosphorus recycling in waste water simultaneously, play purification waste water
Effect.Micro- plan ball algae (Nanochloropsis sp.) is also conventional bait, energy microalgae, is had broad application prospects.
Brief description of the drawings
Fig. 1 is micro- cellular morphology optical microphotograph for intending ball algae (Nanochloropsis sp.) provided in an embodiment of the present invention
Mirror picture.
Fig. 2 is micro- plan ball algae (Nanochloropsis sp.) provided in an embodiment of the present invention in single-chamber microbial fuel electricity
Electricity production activity figure in pond.
Fig. 3 is micro- plan ball algae (Nanochloropsis sp.) provided in an embodiment of the present invention in two-chamber microbial fuel electricity
Electricity production activity figure in pond.
Fig. 4 is micro- plan ball algae (Nanochloropsis sp.) provided in an embodiment of the present invention in two-chamber microbial fuel electricity
The cyclic voltammetry curve figure produced electricity in pond.
Embodiment
With reference to specific embodiment, technical scheme is described further, but embodiments of the present invention
Not limited to this.
Embodiment 1
The micro- acquisition and purifying for intending ball algae (Nanochloropsis sp.) of algae strain
1) micro- plan ball algae (Nanochloropsis sp.) obtains
Micro- plan ball algae (Nanochloropsis sp.) is isolated from seawater, is now stored in Chinese Academy of Sciences's Yantai littoral zone
Research institute's littoral zone biology utilizes key lab with living resources, is preserved in China Microbiological on March 22nd, 2017
Culture presevation administration committee common micro-organisms center, address：China, Beijing, Institute of Microorganism, Academia Sinica, postcode：
100101, deposit number is：CGMCC No. 13868, taxology is named as micro- plan ball algae (Nanochloropsis sp.) (ginseng
See Fig. 1).
10mL algaes kind is taken to access in 40mL F/2 Algae culture solutions, 54 μm of ol quanta/ (m2.s) illumination, 12：12h light
Cultivated in dark ratio, 25 ± 1 DEG C of illumination boxs.F/2 nutrient solution compositions, including (mg/L):NaNO3 75,NaH2PO4.2H2O 5,
Na2EDTA 20,FeCl3.6H2O 3.16, CuSO4.5H2O 0.01,ZnSO4.7H2O 0.023,CoCl2.6H2O 0.012,
MnCl2.4H2O 0.18, Na2MoO4.2H2O 0.07,Thiamine hydrochloride(VB1)0.1μg/L,
Cyanocobalamin(VB12) 0.5 μ g/L, Biotin 0.5 μ g/L, seawater (0.45 μm of membrane filtration) 1000mL.
2) the micro- purifying for intending ball algae (Nanochloropsis sp.) of algae strain
In order to which subsequent experimental is used, it is necessary to standby to the further axenic purification of algae strain progress of acquisition.To above-mentioned culture extremely
In the nutrient solution of micro- plan ball algae (Nanochloropsis sp.) of exponential phase, 300mg/L penicillin is sequentially added into,
100mg/L streptomysins and 100mg/L gentamicins, handle 36h in algae illumination box, obtain axenic culture, all behaviour
Aseptically carry out.The algae strain vaccinization 5 of acquisition more than generation is cultivated to exponential phase, micro- plan ball algae
(Nanochloropsis sp.) density is about 1 × 107Cells/mL or so, it is standby.
Micro- plan ball algae (Nanochloropsis sp.) belongs to true eyespot algae guiding principle, and micro- Sphaerellopsis is unicellular, like ball
Shape, independent or aggregation, about 2-5 μm of cell dia.The usual algae is widely used as aquatic fry growing training because intracellular organic matter is nutritious
The bait micro-algae educated.Ground simultaneously as it usually contains abundant unrighted acid particularly EPA as energy microalgae
Study carefully, there is important application prospect in biomass energy source domain.
Embodiment 2
Micro- electricity production activity for intending ball algae (Nanochloropsis sp.) is detected using single-chamber microbial fuel cell.
As described in example 1 above, the micro- plan ball algae (Nanochloropsis sp.) cultivated to exponential phase is inoculated with
In single-chamber microbial fuel cell, 54 μm of ol quanta/ (m are positioned over2.s) under illumination, 12：12h Light To Dark Ratios, 25 ± 1 DEG C of bars
Electricity production test is carried out under part.
Method of testing：Single-chamber microbial fuel cell, is inoculated with algae culturing liquid cumulative volume 30mL, control group access is without algae sterilizing
Nutrient solution, anode is graphite electrode, and electrode size 12mm × 12mm × 3mm, negative electrode is air cathode, and the two poles of the earth connect titanium silk, outside
1000 Ω resistance are connect, are believed using data collecting system (Model 2700, Keithley Instruments, USA) collection voltages
Number, Excell INX software records output voltage per minute, according to Ohm's law calculating current density [C=U/ (RS), C
(mA/m2) it is current density, wherein U is output voltage (mV), and R is external resistance (Ω), and S is anode graphite electrode surface area (m2)]
(referring to Fig. 2).As shown in Fig. 2 micro- plan ball algae (Nanochloropsis sp.) has obvious electricity production activity, it, which is produced electricity, lives
The peak of property can reach 26.10mA/m2。
Embodiment 3
Micro- electricity production activity for intending ball algae (Nanochloropsis sp.) is detected using double-chamber microbiological fuel cell
As described in example 1 above, the micro- plan ball algae (Nanochloropsis sp.) cultivated to exponential phase is inoculated with
In the anode chamber of double-chamber microbiological fuel cell, 54 μm of ol quanta/ (m are positioned over2.s) under illumination condition, 12：12h brightness
Than carrying out electricity production test under the conditions of 25 ± 1 DEG C.Method of testing：Double-chamber microbiological fuel cell, is inoculated with algae culturing liquid cumulative volume
100mL, control group is accessed without algae sterile medium, and negative and positive the two poles of the earth are graphite electrode, electrode size 30mm × 25mm × 3mm,
Cathode solution is 50mmol/L K3Fe(CN)6, utilize 0.1mol/L Na2HPO4And NaH2PO4Buffer solution according to pH7.8 ratio
Example is prepared, and the two poles of the earth connection titanium silk, external 1000 Ω resistance utilizes data collecting system (Model 2700, Keithley
Instruments, USA) collection voltages signal, as shown in Example 2, calculating current density (referring to Fig. 3).As shown in figure 3,
Micro- plan ball algae (Nanochloropsis sp.) has an obvious electricity production activity, and this electroactive produced electricity with algae
Obvious brightness effect character.
Embodiment 4
As described in example 1 above, the micro- plan ball algae (Nanochloropsis sp.) cultivated to exponential phase is inoculated with
In the anode chamber of double-chamber microbiological fuel cell, 54 μm of ol quanta/ (m are positioned over2.s) under illumination condition, 25 ± 1 DEG C of bars
Electricity production test is carried out under part, while sterile medium is accessed using in the anode chamber to double-chamber microbiological fuel cell is used as control
Group.Method of testing：Cyclic voltammetry (CV curves).As described in Example 3, after after double-chamber microbiological fuel cell stable operation,
Reference electrode (Ag/AgCl) is added under open-circuit condition, using anode as working electrode, negative electrode is, to electrode, to build three-electrode system.
Analysis (ginseng is scanned in the range of 0-1.0V with 10mV/s sweep speed with 660E electrochemical workstations (Shanghai Chen Hua)
See Fig. 4).As a result as shown in figure 4, micro- plan ball algae (Nanochloropsis sp.) has obvious electricity production activity.Do not have in figure
Particularly apparent redox peaks are shown, illustrate that micro- plan ball algae (Nanochloropsis sp.) may be by the side that directly contacts
Formula transmits electronics.
Claims (5)
1. a kind of ocean produces electricity microalgae, it is characterised in that：Electricity production microalgae is micro- plan ball algae (Nanochloropsis sp.) HDY2,
China Committee for Culture Collection of Microorganisms's common micro-organisms center, postcode are preserved on March 22nd, 2017：
100101, deposit number is：CGMCC No. 13868, taxology is named as micro- plan ball algae (Nanochloropsis sp.).
2. the ocean described in a kind of claim 1 produces electricity the application of microalgae, it is characterised in that：Micro- plan ball algae is in electrochemistry
Application.
3. the ocean as described in claim 2 produces electricity the application of microalgae, it is characterised in that：Micro- plan ball algae is trained in Phytoplankton ＆ Suspension
Support in base, electronics is discharged under illumination condition, the application in electrochemistry is realized by electron transmission in microbiological fuel cell.
4. the ocean as described in claim 3 produces electricity the application of microalgae, it is characterised in that：The microbiological fuel cell is ion
The double-chamber microbiological fuel cell or single-chamber microbial fuel cell at exchange membrane interval.
5. the ocean as described in claim 2,3 or 4 produces electricity the application of microalgae, it is characterised in that：Micro- plan ball algae is in seawater
Cultivated in algae media to exponential phase and be seeded to the anode chamber of microbiological fuel cell, micro- plan is made under illumination condition
Ball algae discharges electronics, and the application in electrochemistry is realized by electron transmission.
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| CN201710432010.6A CN107058114B (en) | 2017-06-09 | 2017-06-09 | Marine electrogenesis microalgae and application thereof |
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| CN201710432010.6A CN107058114B (en) | 2017-06-09 | 2017-06-09 | Marine electrogenesis microalgae and application thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102453682A (en) * | 2010-10-15 | 2012-05-16 | 中国科学院海洋研究所 | Marine microalga and its culture method and application |
| CN103086520A (en) * | 2013-01-23 | 2013-05-08 | 中国科学院城市环境研究所 | Device and a method for producing biodiesel in a coupling way by treating livestock and poultry breeding wastewater |
| CN103421595A (en) * | 2012-05-25 | 2013-12-04 | 丰益(上海)生物技术研发中心有限公司 | Microbial oil extraction method |
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2017
- 2017-06-09 CN CN201710432010.6A patent/CN107058114B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102453682A (en) * | 2010-10-15 | 2012-05-16 | 中国科学院海洋研究所 | Marine microalga and its culture method and application |
| CN103421595A (en) * | 2012-05-25 | 2013-12-04 | 丰益(上海)生物技术研发中心有限公司 | Microbial oil extraction method |
| CN103086520A (en) * | 2013-01-23 | 2013-05-08 | 中国科学院城市环境研究所 | Device and a method for producing biodiesel in a coupling way by treating livestock and poultry breeding wastewater |
Non-Patent Citations (1)
| Title |
|---|
| 杨翠云等: "海洋卡盾藻无细胞滤液对赤潮微藻的作用及其与微藻的共培养", 《海洋环境科学》 * |
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