CN106409538B - A kind of integrated device and preparation method thereof of biomass energy conversion and storage - Google Patents
A kind of integrated device and preparation method thereof of biomass energy conversion and storage Download PDFInfo
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- CN106409538B CN106409538B CN201610913103.6A CN201610913103A CN106409538B CN 106409538 B CN106409538 B CN 106409538B CN 201610913103 A CN201610913103 A CN 201610913103A CN 106409538 B CN106409538 B CN 106409538B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G17/00—Structural combinations of capacitors or other devices covered by at least two different main groups of this subclass with other electric elements, not covered by this subclass, e.g. RC combinations
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
- H01G11/30—Electrodes characterised by their material
- H01G11/32—Carbon-based
- H01G11/36—Nanostructures, e.g. nanofibres, nanotubes or fullerenes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
- H01G11/30—Electrodes characterised by their material
- H01G11/48—Conductive polymers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/84—Processes for the manufacture of hybrid or EDL capacitors, or components thereof
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/84—Processes for the manufacture of hybrid or EDL capacitors, or components thereof
- H01G11/86—Processes for the manufacture of hybrid or EDL capacitors, or components thereof specially adapted for electrodes
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/13—Energy storage using capacitors
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Abstract
The invention belongs to biomass energy conversion and memory device technical field, in particular to a kind of integrated devices of ultracapacitor and preparation method thereof of enzyme type glucose/oxygen biological fuel cell and storage of biomass energy conversion.Integrated device is the biological fuel cell and ultracapacitor for being integrated in substrate, and being connected by conducting wire；Realize the conversion and storage of biomass energy.Wherein, biological fuel cell is glucose dehydrogenase and the Bark paper electrode composition based on multi-walled carbon nanotube that laccase is modified respectively, and ultracapacitor is two interpolar of multi-walled carbon nanotube/polyaniline film folder modeling high-molecular gel.Integrated device of the present invention has the advantages that light, flexible, has good application prospect in portable power and wearable field of power supplies.
Description
Technical field
The invention belongs to biomass energy conversions and memory device technical field, in particular to a kind of biomass energy to convert
Enzyme type glucose/oxygen biological fuel cell and storage the integrated device of ultracapacitor and preparation method thereof.
Background technology
The increasingly depleted of fossil fuel, and its environmental problem caused by burning gradually obtain the attention of countries in the world, hair
Its alternative energy source is opened up also to be put on agenda already.Compared with fossil fuel, biomass fuel be it is most cheap, be easy to get can be again
The raw energy wherein the huge energy contained can be released by constructing suitable biological fuel cell, and then obtains
Green, the environmentally friendly new bio energy.Therefore, biological fuel cell early in eighties of last century the eighties just by each developed country
Most attention, attracted the interest of a large amount of researchers, be expected to be applied to the fields such as biomedicine, portable power.But
Being lower energy output density and stability causes its application to be restricted.
However as advanced nanotechnology, the high speed development of efficient enzyme technique for fixing, the output power of biological fuel cell
Density has been obtained for unprecedented raising.Therefore develop while having the device of efficient biomass energy conversion and energy storage function
Part can effectively enhance the application of biological fuel cell.Device can be made to store electricity when need not discharge in this way
Can, and need to export the electric energy of relatively high power when electric discharge.Ultracapacitor has energy storage density as a kind of energy storage device
High, the advantages that having extended cycle life.The integrated device of development biological fuel cell and ultracapacitor is particularly important.In recent years
There is researcher that the two-plate of the biological anode and biological-cathode of biological fuel cell and ultracapacitor is integrated in two respectively
On branch electrode.But this device architecture should not carry out single optimization to two devices, seriously affect the overall performance of device.
Invention content
Present invention aims at a kind of enzyme type glucose/oxygen biological fuel cell of biomass energy conversion of offer and storages
Integrated device of ultracapacitor deposited and preparation method thereof.
To achieve the above object, the technical solution adopted by the present invention is：
A kind of integrated device of biomass energy conversion and storage, integrated device are to be integrated in substrate, and pass through conducting wire
The biological fuel cell and ultracapacitor of connection；Wherein, biological fuel cell is that glucose dehydrogenase and laccase are modified respectively
Multi-walled carbon nanotube Bark paper electrode composition, ultracapacitor be two interpolar of multi-walled carbon nanotube/polyaniline film folder modeling
High-molecular gel.
The biological fuel cell is one or more；Wherein, multiple biological fuel cells are formed in concatenated form.
The substrate is glass or flexible polyethylene terephthalate.
The modification of glucose dehydrogenase (FAD-GDH) that the biological fuel cell is relied on flavin adenine dinucleotide (FAD) in
Bark paper electrode is as biological anode, and laccase modification is in Bark paper electrode as biological-cathode.
A kind of preparation method of biomass energy conversion and the integrated device stored, it is characterised in that：
Step 1：The effective ethyl alcohol of multi-wall carbon nano-tube is fully dispersed, through vacuum filtration, washs, is dried to obtain based on multi wall carbon
The Bark paper of nanotube；
Step 2：FAD-GDH, Os electron mediator and crosslinking agent are modified in above-mentioned acquisition based on multi wall using cladding process
On the Bark paper of carbon nanotube, biological anode is obtained after dry；Laccase is fixed on above-mentioned acquisition by 1- pyrene butyric acid active esters
Biological-cathode is obtained on Bark paper based on multi-walled carbon nanotube, and then obtains biological fuel cell；
Step 3：The modeling of polymer gel electrolyte folder is obtained into super capacitor at multi-walled carbon nanotube/polyaniline film the two poles of the earth
Device；Polymer gel electrolyte can be polyvinyl alcohol-phosphoric acid (PVA-H3PO4)。
Step 4：Biological fuel cell and ultracapacitor are attached using copper conductor, is then integrated in substrate and obtains
Integrated device.
FAD-GDH, Os electron mediator and the total additive amount of crosslinking agent are 0.2-1.0mg/cm2, three's mass ratio is
2:2:1-3:3:1。
0.1M Acetic acid-sodium acetate of the biological fuel cell insertion containing 30mM glucose is delayed when the integrated device charging
In fliud flushing (pH=5.5).
Preparation biology anode described in above-mentioned steps 2, detailed process are：10 μ L FAD-GDH (10mg/mL), 20 μ L contain Os
The electron mediator (5mg/mL) of complex and the mixing of 10 μ L polyethyleneglycol diglycidylethers (5mg/mL), take 10 μ L mixtures to apply
It is 0.25cm to overlay on area2Bark paper electrode on, drying at room temperature 24 hours.
In the ultracapacitor of the present invention, polymer gel electrolyte can be polyvinyl alcohol-phosphoric acid (PVA-H3PO4).Gu
The use of body electrolyte, greatly increases the charging voltage of ultracapacitor, and reduces its internal resistance, to improve super electricity
The capacitance of container simultaneously reduces the energy loss during energy storage.
The operation principle of integrated device of the present invention is：Biological anode and biological-cathode are inserted into the buffering containing glucose
Liquid is connected after conducting wire 1 and 3, and glucose is aoxidized under the catalysis of FAD-GDH on biological anode, and then ejected electron；
Oxygen is restored under the catalytic action of laccase on biological-cathode simultaneously, and then generates positive charge.Then biological anode and
The super capacitor plate that the electronics and positive charge generated respectively on biological-cathode is moved closer to by conducting wire, realizes super electricity
The charging process of container, i.e. biological fuel cell convert the chemical energy in glucose to electrical energy for storage in ultracapacitor
In.It is then turned off conducting wire 1 and 3, connects conducting wire 1 and 2, and the external equipments such as outer connecting resistance, realizes that ultracapacitor is set to external
It is standby to be powered.
Beneficial effects of the present invention are：
Biological fuel cell and ultracapacitor are organically incorporated into one by the present invention, while realizing the biology of energy
The conversion in mass-energy source and storage function.Biological fuel cell can connect multiple in integrated device provided by the invention, with two
For a biological fuel cell series connection, when connect later open circuit potential and peak power output density are up to 1.4V and 326 μ W
cm-2, the specific capacitance of ultracapacitor reaches 329Fg-1；The two biological fuel cells charge for ultracapacitor, and charging voltage can
Up to 0.8V.The peak power output density of integrated device is up to 602 μ W cm-2, obtained close to two biological fuel cell series connection
Twice of peak power output density.It charges to ultracapacitor after two groups of biological fuel cell series connection, bigger can be obtained
Charging voltage, and the peak power output density of device is greatly improved, enrich the application range of biological fuel cell；It can
See that integrated device has lower weight and preferable flexible, has the advantages that be miniaturized, is light-weight, flexible, it can conduct
Portable or wearable power supply application.
Description of the drawings
Fig. 1 is the structural schematic diagram of biological fuel cell provided in an embodiment of the present invention and ultracapacitor integrated device；
The electrode of wherein biological fuel cell and ultracapacitor is fixed on glass or flexible PET base, and passes through copper conductor
The combination of energy conversion and storage is realized in connection.
Fig. 2 is the power of single group (a) provided in an embodiment of the present invention and two groups (b) glucose/oxygen biological fuel cell
Densogram.
Fig. 3 be the charging schematic diagram provided in an embodiment of the present invention for integrating two groups of biological fuel cells and ultracapacitor and
(constant-current discharge electric current is 0.8mA cm to charging and discharging curve-2)。
Specific implementation mode
Following specific examples is used for further illustrating the present invention, but the present invention is by no means limited to these examples, can be according to
According in scope defined by the claims of the present invention, various transformation and change are carried out.
Embodiment 1
Glucose/oxygen biological fuel cell is constructed
It is prepared by prior art and is based on multi-walled carbon nanotube (purity >=98%, carbon pipe diameter 20-40nm, length 10-30 μ
M) Bark paper；Or the effective ethyl alcohol of multi-wall carbon nano-tube is fully dispersed, through vacuum filtration, washs, is dried to obtain based on multi wall
The Bark paper of carbon nanotube also may be used；
1. the preparation of biological anode
Bark paper of the above-mentioned acquisition based on multi-walled carbon nanotube is cut into 0.25cm2Size.By 10 μ L FAD-GDH
(10mg/mL), the electron mediator of 20 μ L complexs containing Os【Os (4,4 '-dimethyl -2,2 '-bipyridyl)2(polyvinyl miaow
Azoles)10Chlorine, 5mg/mL】It is mixed with 10 μ L polyethyleneglycol diglycidylethers (5mg/mL), 10 μ L mixtures is taken uniformly to apply after mixing
It is 0.25cm to overlay on area2Bark paper electrode on, dry at room temperature 24 hours and biological anode be made.
2. the preparation of biological-cathode
Bark paper of the above-mentioned acquisition based on multi-walled carbon nanotube is cut into 0.25cm2Size.Then immerse it is excessive containing
It 1 hour in the DMSO solution of 10mM 1- pyrene butyric acid active esters, then takes out, then uses DMSO, deionized water gently to rinse successively and do
Only, it is then immersed in 7.5mg/mL laccase solutions 2 hours.Electrode is taken out, is gently rinsed well and is repaiied with deionized water
Adorn the biological-cathode of laccase.
Biological anode and biological-cathode are inserted into the 0.1M Acetic acid-sodium acetate buffer solutions (pH=containing 30mM glucose
5.5) glucose/oxygen biological fuel cell is assembled in.And test cell power density such as Fig. 2.The open circuit potential of single group battery
With maximum power density respectively up to 0.71V and 204 μ W cm-2, the open circuit potential after the series connection of two groups of batteries and maximum power density
Respectively up to 1.4V and 326 μ W cm-2。
Embodiment 2
The preparation of ultracapacitor：
Bark paper described in embodiment 1 is immersed in the 1M hydrochloric acid solutions containing 0.2M aniline (analysis is pure) first, after five minutes
Isometric 0.2M ammonium persulfates (analysis is pure) solution is slowly added dropwise to above-mentioned solution.Then above-mentioned solution is placed in 0-5 DEG C
Reaction 12 hours.Finally Bark paper is taken out, is washed respectively with water, acetone, ethyl alcohol, and is 12 hours dry at 80 DEG C, is obtained
Multi-walled carbon nanotube/polyaniline film.
PVA-H3PO4Gel electrolyte is prepared as follows：5g PVA (average molecular weight 4000) are dissolved in 50mL
It in ionized water and adds it in 3mL concentrated phosphoric acids (purity 85%), mixed liquor is then heated to 90 DEG C, gas is driven away under stirring
Bubble obtains PVA-H after cooling3PO4Gel electrolyte.
Super electricity is made in polymer gel electrolyte folder modeling between two multi-walled carbon nanotube/Polyaniline Thin Film-Coated Electrodes
Container.
Above-mentioned acquisition ultracapacitor after measured its specific capacitance up to 329Fg-1。
Embodiment 3
Referring to Fig. 1, connect two groups with conducting wire and obtain biological fuel cell according to above-described embodiment, then again by conducting wire with
Ultracapacitor is connected, and obtains integrated device, and also further biological fuel cell and ultracapacitor can be integrated in substrate,
Obtain integrated device.The substrate is glass or flexible polyethylene terephthalate.
The conducting wire 1 and 3 of above-mentioned integrated device is then connected, and bioelectrode is inserted into the 0.1M vinegar containing 30mM glucose
In acid-sodium-acetate buffer (pH=5.5).Charging process is recorded with electrochemical workstation connecting wire 1 and 2；After charging,
Break line 1 and 3 carries out constant current discharge with electrochemical workstation control ultracapacitor and records discharge process, repeats two
A cycle.(constant-current discharge electric current is 0.8mA cm for gained charging schematic diagram and charging and discharging curve-2) see Fig. 3.
As seen from Figure 3, charging time about 0.7 hour, charging voltage is up to 0.8V.It can from discharge curve
Go out, voltage drop very little, shows that ultracapacitor has the internal resistance of very little, therefore reduce the energy loss of discharge process.
Peak power output density (the P of discharge processmax) can be calculated by following formula：
Pmax=(Vcharge-iR)×I
Wherein VchargeFor charging voltage, iR is voltage drop, and I is discharge current.P is calculatedmaxFor 608 μ W cm-2.Table
Bright integrated device of the present invention can export the power density of bigger, and electricity compared with individual biological fuel cell
The longer time can be stored in the capacitor, ensured externally to carry out high-power power supply when needing power supply, expanded device
Application range.
In conclusion the present invention obtains the integrated device of biological fuel cell and ultracapacitor for the first time, colleague realizes
Convert the chemical energy in biomass fuel to electrical energy for storage.The peak power output density of device is 608 μ W cm-2,
Far above individual biological fuel cell.And can by the optimization of device architecture parameter and technique obtain performance into one
Step is promoted.The efficient utilization for effectively converting and storing conducive to the energy of biomass energy, in portable power and wearable electricity
Source domain has higher application value.
The preferred embodiments of the disclosure and embodiment are described in detail above in conjunction with attached drawing, but this hair
It is bright to be not limited to the above-described embodiment and examples, it is other it is any without departing from the spirit and principles of the present invention made by
Changes, modifications, substitutions, combinations, simplifications should be equivalent substitute mode, be included within the scope of the present invention.
Claims (7)
1. a kind of preparation method of the integrated device of biomass energy conversion and storage, it is characterised in that：
Step 1：The effective ethyl alcohol of multi-wall carbon nano-tube is fully dispersed, through vacuum filtration, washs, is dried to obtain based on multi-wall carbon nano-tube
The Bark paper of pipe；
Step 2：Glucose dehydrogenase, Os electron mediators and the crosslinking agent for being relied on flavin adenine dinucleotide (FAD) using cladding process
Modification obtains biological anode on the Bark paper based on multi-walled carbon nanotube of above-mentioned acquisition after dry；Laccase passes through 1- pyrene fourths
Acid activity ester, which is fixed on the Bark paper based on multi-walled carbon nanotube of above-mentioned acquisition, obtains biological-cathode, and then obtains biology combustion
Expect battery；
Step 3：Polymer gel electrolyte folder modeling is obtained into super capacitor between multi-walled carbon nanotube/polyaniline film the two poles of the earth
Device;
Step 4：Biological fuel cell and ultracapacitor are attached using copper conductor, being then integrated in substrate must integrate
Device.
2. the preparation method of the integrated device of biomass energy conversion as described in claim 1 and storage, it is characterised in that：Institute
Glucose dehydrogenase, Os electron mediators and the total additive amount of crosslinking agent for stating flavin adenine dinucleotide (FAD) dependence are 0.2-
1.0 mg/cm2, three's mass ratio is 2:2:1-3:3:1.
3. the preparation method of the integrated device of biomass energy conversion as described in claim 2 and storage, it is characterised in that：Institute
Biological fuel cell is inserted into the 0.1 M Acetic acid-sodium acetate buffer solutions containing 30 mM glucose when stating integrated device charging.
4. a kind of integrated device of biomass energy conversion and storage prepared by preparation method described in claim 1, feature
It is：Integrated device is the biological fuel cell and ultracapacitor for being integrated in substrate, and being connected by conducting wire；
Wherein, biological fuel cell is glucose dehydrogenase and the Bark paper sun based on multi-walled carbon nanotube that laccase is modified respectively
Pole and cathode composition, ultracapacitor are two interpolar of multi-walled carbon nanotube/polyaniline film folder modeling high-molecular gel.
5. the integrated device of biomass energy conversion and storage as described in claim 4, it is characterised in that：The bio-fuel
Battery is one or more；Wherein, multiple biological fuel cells are formed in concatenated form.
6. the integrated device of biomass energy conversion and storage as described in claim 4, it is characterised in that：The substrate is glass
Glass or flexible polyethylene terephthalate.
7. the integrated device of biomass energy conversion and storage as described in claim 4, it is characterised in that：The bio-fuel
Battery is modified in Bark paper electrode using the glucose dehydrogenase that flavin adenine dinucleotide (FAD) relies on as biological anode, and laccase is repaiied
It adorns in Bark paper electrode as biological-cathode.
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| CN110767960B (en) * | 2019-11-15 | 2021-01-01 | 广东轻工职业技术学院 | Flexible device integrating microbial fuel cell and hybrid supercapacitor, and preparation method and application thereof |
| CN111244490B (en) * | 2020-01-09 | 2021-03-16 | 中国人民解放军军事科学院军事医学研究院 | Bamboo-shaped hollow N-doped carbon nanotube and C3N4Nanosheet cross-linked composite material and preparation method and application thereof |
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| CN101359757A (en) * | 2007-06-11 | 2009-02-04 | 霍尼韦尔国际公司 | Power source with capacitor |
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| CN102593494A (en) * | 2012-02-27 | 2012-07-18 | 中国科学院长春应用化学研究所 | Enzymatic biofuel battery and preparation method thereof |
| CN102810406B (en) * | 2012-09-11 | 2015-09-16 | 宁国市龙晟柔性储能材料科技有限公司 | Ultracapacitor being electrode with polyaniline/aligned carbon nanotube composite membrane and preparation method thereof |
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Address after: 266071 Shandong city of Qingdao province Ningxia City Road No. 308 Patentee after: Qingdao University Address before: 266071 Ningxia Road, Shandong, China, No. 308, No. Patentee before: Qingdao University |
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| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 266100 Hongkong East Road, Laoshan District, Qingdao, Shandong Province, No. 7 Patentee after: QINGDAO University Address before: 266071 Shandong city of Qingdao province Ningxia City Road No. 308 Patentee before: QINGDAO University |