CN106784869A - A kind of fuel cell - Google Patents
A kind of fuel cell Download PDFInfo
- Publication number
- CN106784869A CN106784869A CN201710078207.4A CN201710078207A CN106784869A CN 106784869 A CN106784869 A CN 106784869A CN 201710078207 A CN201710078207 A CN 201710078207A CN 106784869 A CN106784869 A CN 106784869A
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- Prior art keywords
- fuel cell
- carbon
- solution
- antibacterial
- base film
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- 239000000446 fuel Substances 0.000 title claims abstract description 73
- 230000000844 anti-bacterial effect Effects 0.000 claims abstract description 40
- 239000000243 solution Substances 0.000 claims description 47
- 239000003292 glue Substances 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 21
- 238000004528 spin coating Methods 0.000 claims description 17
- 238000001291 vacuum drying Methods 0.000 claims description 16
- 239000012528 membrane Substances 0.000 claims description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 12
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 11
- 239000005011 phenolic resin Substances 0.000 claims description 11
- 229920001568 phenolic resin Polymers 0.000 claims description 11
- 238000011282 treatment Methods 0.000 claims description 10
- 230000002421 anti-septic effect Effects 0.000 claims description 9
- 239000011248 coating agent Substances 0.000 claims description 9
- 238000000576 coating method Methods 0.000 claims description 9
- 235000019441 ethanol Nutrition 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 9
- 229910052799 carbon Inorganic materials 0.000 claims description 8
- 238000002360 preparation method Methods 0.000 claims description 7
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 6
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 6
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- 230000003647 oxidation Effects 0.000 claims description 6
- 238000007254 oxidation reaction Methods 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 150000002978 peroxides Chemical class 0.000 claims description 5
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 4
- 229920000428 triblock copolymer Polymers 0.000 claims description 4
- 206010020843 Hyperthermia Diseases 0.000 claims description 3
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 3
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 3
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium peroxydisulfate Substances [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims description 3
- VAZSKTXWXKYQJF-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)OOS([O-])=O VAZSKTXWXKYQJF-UHFFFAOYSA-N 0.000 claims description 3
- 229910001870 ammonium persulfate Inorganic materials 0.000 claims description 3
- 230000002528 anti-freeze Effects 0.000 claims description 3
- QZPSXPBJTPJTSZ-UHFFFAOYSA-N aqua regia Chemical compound Cl.O[N+]([O-])=O QZPSXPBJTPJTSZ-UHFFFAOYSA-N 0.000 claims description 3
- 230000009514 concussion Effects 0.000 claims description 3
- 125000005909 ethyl alcohol group Chemical group 0.000 claims description 3
- 239000012467 final product Substances 0.000 claims description 3
- 235000011187 glycerol Nutrition 0.000 claims description 3
- 239000005457 ice water Substances 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 229920000656 polylysine Polymers 0.000 claims description 3
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 3
- -1 propyl alcohols Chemical class 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 239000003643 water by type Substances 0.000 claims description 3
- 239000011259 mixed solution Substances 0.000 claims description 2
- 238000005253 cladding Methods 0.000 claims 1
- 230000003111 delayed effect Effects 0.000 claims 1
- 238000003760 magnetic stirring Methods 0.000 claims 1
- 239000010408 film Substances 0.000 description 70
- 238000005260 corrosion Methods 0.000 description 10
- 230000007797 corrosion Effects 0.000 description 10
- 241000894006 Bacteria Species 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- 239000007788 liquid Substances 0.000 description 5
- 229910001220 stainless steel Inorganic materials 0.000 description 5
- 239000010935 stainless steel Substances 0.000 description 5
- 230000001408 fungistatic effect Effects 0.000 description 4
- 241000191967 Staphylococcus aureus Species 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 108010039918 Polylysine Proteins 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 238000013019 agitation Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 238000002835 absorbance Methods 0.000 description 1
- 230000000845 anti-microbial effect Effects 0.000 description 1
- 229940088710 antibiotic agent Drugs 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/8647—Inert electrodes with catalytic activity, e.g. for fuel cells consisting of more than one material, e.g. consisting of composites
- H01M4/8657—Inert electrodes with catalytic activity, e.g. for fuel cells consisting of more than one material, e.g. consisting of composites layered
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/88—Processes of manufacture
- H01M4/8803—Supports for the deposition of the catalytic active composition
-
- 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
- H01M8/02—Details
- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
- H01M8/0204—Non-porous and characterised by the material
- H01M8/0223—Composites
- H01M8/0228—Composites in the form of layered or coated products
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M2004/8678—Inert electrodes with catalytic activity, e.g. for fuel cells characterised by the polarity
- H01M2004/8694—Bipolar electrodes
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Fuel Cell (AREA)
- Inert Electrodes (AREA)
Abstract
The application provides a kind of fuel cell, along its thickness direction, battery body is included successively outside interior, is painted on carbon-base film layer outside battery body, the freeze proof film layer of antibacterial and encapsulated layer；The thickness of the carbon-base film is 0.5~1mm；The thickness of the freeze proof film of antibacterial is 0.025~0.5mm；The thickness of encapsulated layer is 0.3~1mm.Fuel cell of the present invention has the freeze proof premium properties of antibacterial, the potential with wide popularization and application.
Description
Technical field
The application is related to field of fuel cell technology, more particularly to a kind of fuel cell.
Background technology
Fuel cell is the TRT that a kind of chemical energy that will be present in dyestuff and oxidant is converted into electric energy.
Wherein, Proton Exchange Membrane Fuel Cells is because it has energy density higher and relatively low operating temperature and produces less
Greenhouse gases etc., just as the optimal selection of clean energy resource conversion equipment.Proton Exchange Membrane Fuel Cells selects metal double polar plates
Material, wherein, it is the most extensive that bipolar plate of stainless steel is used.
There is following technical problem in correlation technique：(1) stainless steel easily produces corrosion in fuel cell operations,
The passivation film of Surface Creation can increase the contact resistance on the surface of stainless steel, cause part electric energy to be converted to heat energy, reduce
The energy conversion efficiency of fuel cell；(2) due to being impregnated for a long time during use, stainless steel surfaces easily produce thin
Bacterium, accelerates the corrosion rate of stainless steel, and then causes fuel cell use time to shorten, and causes the waste of resource；(3) and
And, due to ambient influnence, when fuel cell is in cold environment, relatively low temperature can reduce the efficiency of electrode.
The content of the invention
To overcome problem present in correlation technique, the application to provide a kind of fuel cell.
The present invention is achieved by the following technical programs：A kind of fuel cell includes battery body, along its thickness direction
There are the freeze proof film of carbon-base film, antibacterial and encapsulated layer in the outside coating of battery body, the carbon-base film is painted on battery sheet
On the housing of body, the carbon-base film top is painted with the freeze proof film of antibacterial, and encapsulated layer is coated with outside the battery body；Institute
The thickness for stating carbon-base film is 0.5~1mm；The thickness of the freeze proof film of antibacterial is 0.025~0.5mm；The thickness of encapsulated layer is 0.3
~1mm.
Further, the thickness of the carbon-base film is 0.6~0.8mm；The thickness of the freeze proof film of antibacterial is 0.03
~0.3mm；The thickness of the encapsulated layer is 0.5~0.8mm.
Further, the thickness of the carbon-base film is 0.7mm；The thickness of the freeze proof film of antibacterial is 0.1mm；It is described
The thickness of encapsulated layer is 0.6mm.
Further, the carbon-base film and the freeze proof film of antibacterial of the fuel cell electrode surfaces coating constitute functional membrane,
The fuel cell electrode surfaces are coated on using spin coating method, and the carbon-base film and the freeze proof film of antibacterial are alternately coated
3 times；The carbon-base film and the freeze proof film interface of the antibacterial are processed through peroxide solution；Contain in the freeze proof film of antibacterial
Normal propyl alcohol is used as antifreeze.
Further, the preparation method of described functional membrane is comprised the following steps：
S1, formulated phenolic resin takes 10g phenol and is heated to melting it in 40~42 DEG C of water-baths, is then added dropwise
The KOH of 20wt%, ultrasonic 30min, obtained solution A；The formalin of 20wt% is added dropwise in solution A, magnetic agitation is placed in
80 DEG C are heated on device and 20min is stirred, solution B is placed in 20min in 0 DEG C of ice-water bath by obtained solution B, treat that solution B is cooled down
To 0 DEG C, be slowly added dropwise the nitric acid-hydrochloric acid solution of 0.1M regulation pH value be 6.8 after, be placed in vacuum drying chamber, pressure is
0.1MPa~0.5MPa, to 60~80 DEG C, 1h is obtained phenolic resin to temperature adjustment；
S2, prepares mesoporous carbon solution, takes 1.5g triblock copolymers F127 and through 3.0g phenolic resin obtained in step S1,
100ml absolute ethyl alcohols are added, is placed in 30min is shaken on oscillator at room temperature, 10min in vacuum drying chamber is placed in after concussion, very
The pressure of empty van is 30KPa~50KPa；
S3, prepare antiseptic solution, sequentially added in 1.5g epsilon-polylysines 80ml ultra-pure waters, 2% (w/v) glycerine 10ml and
2% (w/v) polyvinyl alcohol 10ml；60 DEG C of stirring 1h on magnetic stirrer are placed in, 20ml normal propyl alcohols are then measured and is added mixing molten
Liquid, 5min is stirred at 50 DEG C of water-bath, is placed in after removing in baking oven and is heated to 90 DEG C of insulation 2h, obtains final product antiseptic solution；
S4, coats carbon-base film, and (1) will take 50ml in step S2 after obtained mesoporous carbon solution vacuum outgas 1h, uses
Spin coating method is coated on fuel cell electrode surfaces, wherein, vacuum pressure is 20KPa~50KPa, and drop glue is low using first
The method of speed-the-the second low speed of high speed is carried out, and the drop glue rotating speed of the first low speed drop glue is 200~400rpm/s, and the drop of glue is dripped at a high speed
Glue rotating speed is 800~1000rpm/s, and the drop glue rotating speed of the second low speed is 100~200rpm/s, and corresponding spin coating time is respectively
60s, 30s, 20s, drip glue and spin coating 3~5 times repeatedly；(2) coated fuel cell electrode is put into 120~150 DEG C of baking
In case overnight, negative pressure 2h in vacuum drying chamber is placed in after taking-up, the pressure limit of vacuum drying chamber is 1 ± 0.05MPa, and vacuum is done
The corresponding temperature of dry case is 45~150 DEG C；(3) fuel cell vessel for being coated with film processed through step (2) there is into nitrogen
It is heat-treated in the tube furnace of gas shielded, the temperature that heat treatment is used is hypo-hyperthermia pattern, wherein 400 DEG C of insulations of low temperature
4h, 800 DEG C of insulation 1h of high temperature；
S5, oxidation solution treatment, it is 5 to take mol ratio:1:2 aniline, ammonium persulfate, phosphoric acid, is added sequentially to ethanol molten
In liquid, high-speed stirred 2h forms uniform alumina solution, and being coated with the fuel cell electrode of carbon-base film, to immerse the oxidation molten
Liquid, stands 20min, and taking-up is dried up with nitrogen gun；
S6, coats the freeze proof film of antibacterial, will take 20ml, vacuum pressure after obtained antiseptic solution vacuum outgas 1h in step S3
Power is 20KPa~50KPa, and the fuel cell electrode top layer processed through step S5 is coated on using spin coating method, and drop glue is used
300rpm/s rotating speeds, spin coating 2min；Fuel cell electrode is placed in 20~30h is dried in 50~90 DEG C of vacuum drying chamber, very
The pressure of empty van is 20KPa~50Kpa, and then repeat step S4, S5, S6 be twice.
Relative to prior art, beneficial effects of the present invention：
A kind of fuel cell that the present invention is provided by above-described embodiment, because the fuel cell moulding is simple, and many work(
Can, therefore overcome above-mentioned technical problem.
The functional membrane that embodiments herein is provided, in preparation process, by using phenolic resin as carbon source, three embedding
Section copolymer F127 is prepared from carbon-base film as template, and the carbon-base film is by different vacuum tank pressure treatments and warm
Treatment, tests prove that, after being coated with carbon-base film, in certain temperature range, the corrosion potential of fuel cell moves 200
~500mV, its corrosion electric current density reduces about 1.5 orders of magnitude relative to blank.
Due to not producing bacterium in use using the fuel cell of the carbon-base film for being added with epsilon-polylysine,
There is fungistatic effect to common mould and staphylococcus aureus, it is suppressed that the growth of bacterium, make the surface of fuel cell not
Easily growth bacterium, reduces the corrosion rate of fuel cell, additionally, in experimentation, it has been found that, due to preparing combustion
In material cell process, while improve the frost resistance of film due to the addition of normal propyl alcohol, fuel cell has cold resistant property,
Further extend the service life of fuel cell.Additionally, the carbon-base film and antibacterial that constitute the functional membrane of fuel cell are freeze proof
Peroxide solution treatment is entered at the interface of film, and the oxide layer can isolate carbon-base film and the freeze proof film of antibacterial, it is mutually oozed
Effect thoroughly reduces, and the performance for resisting burn into antibacterial antifreezing function serves unexpected effect.
Brief description of the drawings
Accompanying drawing herein is merged in specification and constitutes the part of this specification, shows and meets implementation of the invention
Example, and be used to explain principle of the invention together with specification.
Fig. 1 is schematic diagram of the invention.
Fig. 2 is the preparation method flow chart of functional membrane in the application fuel cell according to an exemplary embodiment.
Wherein, 1- battery bodies, 2- carbon-base films layer, the freeze proof film layer of 3- antibacterials, 4- encapsulated layers.
Specific embodiment
Here exemplary embodiment will be illustrated in detail, its example is illustrated in the accompanying drawings.Following description is related to
During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represent same or analogous key element.Following exemplary embodiment
Described in implementation method do not represent and the consistent all implementation methods of the present invention.Conversely, they be only with it is such as appended
The example of the consistent apparatus and method of some aspects being described in detail in claims, of the invention.
As shown in figure 1, be the brief configuration schematic diagram that one embodiment of the present of invention is provided, along its thickness direction in electricity
The outside coating of pond body 1 has the freeze proof film 3 of carbon-base film 2, antibacterial and encapsulated layer 4.The carbon-base film 2 is painted on battery sheet
On the housing of body 1, the top of the carbon-base film 2 is painted with the freeze proof film 3 of antibacterial, and encapsulation is coated with outside the battery body 1
Layer 4；The thickness of the carbon-base film 2 is 0.5~1mm；The thickness of the freeze proof film 3 of antibacterial is 0.025~0.5mm；Encapsulated layer 4
Thickness is 0.3~1mm.
Further, the thickness of the carbon-base film 2 is 0.6~0.8mm；The thickness of the freeze proof film 3 of antibacterial is
0.03~0.3mm；The thickness of the encapsulated layer 4 is 0.5~0.8mm.
Further, the thickness of the carbon-base film 2 is 0.7mm；The thickness of the freeze proof film 3 of antibacterial is 0.1mm；Institute
The thickness for stating encapsulated layer 4 is 0.6mm.
Further, the carbon-base film 2 and the freeze proof film 3 of antibacterial of the fuel cell electrode surfaces coating constitute function
Film, the fuel cell electrode surfaces are coated on using spin coating method, and the carbon-base film 2 and the freeze proof film 3 of antibacterial are handed over
For coating 3 times；The carbon-base film 2 and the freeze proof interface of film 3 of the antibacterial are processed through peroxide solution；The antibacterial is freeze proof thin
Containing normal propyl alcohol as antifreeze in film 3.
Fig. 2 is the preparation method flow chart of functional membrane in the application fuel cell according to an exemplary embodiment.
Shown in reference picture 2, the preparation of the functional membrane is comprised the following steps：
S1, formulated phenolic resin takes 10g phenol and is heated to melting it in 40~42 DEG C of water-baths, is then added dropwise
The KOH of 20wt%, ultrasonic 30min, obtained solution A；The formalin of 20wt% is added dropwise in solution A, magnetic agitation is placed in
80 DEG C are heated on device and 20min is stirred, solution B is placed in 20min in 0 DEG C of ice-water bath by obtained solution B, treat that solution B is cooled down
To 0 DEG C, be slowly added dropwise the nitric acid-hydrochloric acid solution of 0.1M regulation pH value be 6.8 after, be placed in vacuum drying chamber, pressure is
0.1MPa~0.5MPa, to 60~80 DEG C, 1h is obtained phenolic resin to temperature adjustment；
S2, prepares mesoporous carbon solution, takes 1.5g triblock copolymers F127 and through 3.0g phenolic resin obtained in step S1,
100ml absolute ethyl alcohols are added, is placed in 30min is shaken on oscillator at room temperature, 10min in vacuum drying chamber is placed in after concussion, very
The pressure of empty van is 30KPa~50KPa；
S3, prepare antiseptic solution, sequentially added in 1.5g epsilon-polylysines 80ml ultra-pure waters, 2% (w/v) glycerine 10ml and
2% (w/v) polyvinyl alcohol 10ml；60 DEG C of stirring 1h on magnetic stirrer are placed in,
Then 20ml normal propyl alcohols are measured and adds mixed solution, 5min is stirred at 50 DEG C of water-bath, be placed in baking oven after removing
90 DEG C of insulation 2h are heated to, antiseptic solution is obtained final product；
S4, coats carbon-base film, and (1) will take 50ml in step S2 after obtained mesoporous carbon solution vacuum outgas 1h, uses
Spin coating method is coated on fuel cell electrode surfaces, wherein, vacuum pressure is 20KPa~50KPa, and drop glue is low using first
The method of speed-the-the second low speed of high speed is carried out, and the drop glue rotating speed of the first low speed drop glue is 200~400rpm/s, and the drop of glue is dripped at a high speed
Glue rotating speed is 800~1000rpm/s, and the drop glue rotating speed of the second low speed is 100~200rpm/s, and corresponding spin coating time is respectively
60s, 30s, 20s, drip glue and spin coating 3~5 times repeatedly；(2) coated fuel cell electrode is put into 120~150 DEG C of baking
In case overnight, negative pressure 2h in vacuum drying chamber is placed in after taking-up, the pressure limit of vacuum drying chamber is 1 ± 0.05MPa, and vacuum is done
The corresponding temperature of dry case is 45~150 DEG C；(3) fuel cell vessel for being coated with film processed through step (2) there is into nitrogen
It is heat-treated in the tube furnace of gas shielded, the temperature that heat treatment is used is hypo-hyperthermia pattern, wherein 400 DEG C of insulations of low temperature
4h, 800 DEG C of insulation 1h of high temperature；
S5, oxidation solution treatment, it is 5 to take mol ratio:1:2 aniline, ammonium persulfate, phosphoric acid, is added sequentially to ethanol molten
In liquid, high-speed stirred 2h forms uniform alumina solution, and being coated with the fuel cell electrode of carbon-base film, to immerse the oxidation molten
Liquid, stands 20min, and taking-up is dried up with nitrogen gun；
S6, coats the freeze proof film of antibacterial, will take 20ml, vacuum pressure after obtained antiseptic solution vacuum outgas 1h in step S3
Power is 20KPa~50KPa, and the fuel cell electrode top layer processed through step S5 is coated on using spin coating method, and drop glue is used
300rpm/s rotating speeds, spin coating 2min；Fuel cell electrode is placed in 20~30h is dried in 50~90 DEG C of vacuum drying chamber, very
The pressure of empty van is 20KPa~50Kpa, and then repeat step S4, S5, S6 be twice.By above step, complete of the invention
Prepare.
Fuel cell electrochemical property test：The fuel cell of carbon-base film will be not coated with as blank test, by two
Plant fuel cell and be positioned over 0.2M H2SO4Impregnated in solution.In dipping process, expose the area of 1cm × 1cm, remainder
Covered with glue.After tested, the fuel cell of carbon-base film (blank test) and covering carbon-base film is not covered in different temperature
Corrosion potential and corrosion electric current density data such as table 1 under (T-300, T-400, T-500, T-600) treatment.
The chemical property of the fuel cell of table 1
Experiment shows, compared to the functional membrane that blank control test, embodiments herein are provided, in preparation process,
Carbon-base film is prepared from as template as carbon source, triblock copolymer F127 by using phenolic resin, this is carbon-based thin
Film by different vacuum tank pressure treatments and heat treatment, tests prove that, after being coated with carbon-base film, the corrosion of fuel cell
Current potential moves 200~500mV, and its corrosion electric current density reduces about 1.5 orders of magnitude relative to blank, but temperature
After more than 500 DEG C, be coated with carbon-base film with without coating carbon-base film fuel battery performance as, that is to say, that it is carbon-based thin
Film loses protective effect to the chemical property of fuel cell.
The anti-microbial property test of fuel cell：Using absorbance method, detection fuel is to mould and staphylococcus aureus
Fungistatic effect.Result is as shown in table 2.
The fungistatic effect of the fuel cell of table 2
| OD600 | |
| Blank | 6±0.01 |
| 0.25% | 4±0.08 |
| 0.5% | 3±0.05 |
| 0.75% | 1.5±0.03 |
| 1.0% | 0±0.02 |
Experiment shows, has used the fuel cell of the carbon-base film for being added with epsilon-polylysine not produce in use
Bacterium, has fungistatic effect to common mould and staphylococcus aureus, it is suppressed that the growth of bacterium, makes the table of fuel cell
Face is difficult to grow bacterium, the corrosion rate of fuel cell is reduced, additionally, in experimentation, it has been found that, due in system
In standby fuel cell process, while improve the frost resistance of film due to the addition of normal propyl alcohol, fuel cell has cold-resistant spy
Property, also further extend the service life of fuel cell.Additionally, constituting the carbon-base film and antibacterial of the functional membrane of fuel cell
Peroxide solution treatment is entered at the interface of freeze proof film, and the oxide layer can isolate carbon-base film and the freeze proof film of antibacterial, make its phase
Mutual osmosis reduces, and the performance for resisting burn into antibacterial antifreezing function serves unexpected effect.
Those skilled in the art considering specification and after putting into practice invention disclosed herein, will readily occur to it is of the invention its
Its embodiment.The application is intended to any modification of the invention, purposes or adaptations, these modifications, purposes or
Person's adaptations follow general principle of the invention and including the undocumented common knowledge in the art of the application
Or conventional techniques.Description and embodiments are considered only as exemplary, and true scope and spirit of the invention are by following
Claim is pointed out.It should be appreciated that the invention is not limited in the accurate knot being described above and be shown in the drawings
Structure, and can without departing from the scope carry out various modifications and changes.The scope of the present invention is only come by appended claim
Limitation.
Claims (5)
1. a kind of fuel cell, including battery body, it is characterised in that the outside coating along its thickness direction in battery body has
The freeze proof film of carbon-base film, antibacterial and encapsulated layer, the carbon-base film are painted on the housing of battery body, the carbon-base film
Top is painted with the freeze proof film of antibacterial, and encapsulated layer is coated with outside the battery body；The thickness of the carbon-base film be 0.5~
1mm；The thickness of the freeze proof film of antibacterial is 0.025~0.5mm；The thickness of encapsulated layer is 0.3~1mm.
2. a kind of fuel cell according to claim 1, it is characterised in that the thickness of the carbon-base film is 0.6~
0.8mm；The thickness of the freeze proof film of antibacterial is 0.03~0.3mm；The thickness of the encapsulated layer is 0.5~0.8mm.
3. according to a kind of any described fuel cell of claim 1~2, it is characterised in that the thickness of the carbon-base film is
0.7mm；The thickness of the freeze proof film of antibacterial is 0.1mm；The thickness of the encapsulated layer is 0.6mm.
4. a kind of fuel cell according to claim 1, it is characterised in that the carbon of the fuel cell electrode surfaces coating
Base film and the freeze proof film of antibacterial constitute functional membrane, and the fuel cell electrode surfaces, and institute are coated on using spin coating method
State carbon-base film and alternately coating 3 times of the freeze proof film of antibacterial；The carbon-base film and the freeze proof film interface of the antibacterial are through peroxide
Change solution treatment；Containing normal propyl alcohol as antifreeze in the freeze proof film of antibacterial.
5. a kind of fuel cell according to claim 4, it is characterised in that the preparation method of described functional membrane include with
Lower step：
S1, formulated phenolic resin takes 10g phenol and is heated to melting it in 40~42 DEG C of water-baths, is then added dropwise 20wt%'s
KOH, ultrasonic 30min, obtained solution A；The formalin of 20wt% is added dropwise in solution A, is placed on magnetic stirring apparatus and is heated
To 80 DEG C and 20min is stirred, solution B is placed in 20min in 0 DEG C of ice-water bath by obtained solution B, treats that solution B is cooled to 0 DEG C, delayed
The slow nitric acid-hydrochloric acid solution of the 0.1M regulation pH value that is added dropwise is after 6.8, to be placed in vacuum drying chamber, pressure be 0.1MPa~
0.5MPa, to 60~80 DEG C, 1h is obtained phenolic resin to temperature adjustment；
S2, prepares mesoporous carbon solution, takes 1.5g triblock copolymers F127 and through 3.0g phenolic resin obtained in step S1, adds
100ml absolute ethyl alcohols, are placed in 30min is shaken on oscillator at room temperature, and 10min in vacuum drying chamber, vacuum tank are placed in after concussion
Pressure be 30KPa~50KPa；
S3, prepares antiseptic solution, and 80ml ultra-pure waters, 2% (w/v) glycerine 10ml and 2% are sequentially added in 1.5g epsilon-polylysines
(w/v) polyvinyl alcohol 10ml；60 DEG C of stirring 1h on magnetic stirrer are placed in,
Then 20ml normal propyl alcohols are measured and adds mixed solution, 5min is stirred at 50 DEG C of water-bath, be placed in after removing in baking oven and heated
To 90 DEG C of insulation 2h, antiseptic solution is obtained final product；
S4, coats carbon-base film, and (1) will take 50ml in step S2 after obtained mesoporous carbon solution vacuum outgas 1h, using rotation
Cladding process is coated on fuel cell electrode surfaces, wherein, vacuum pressure is 20KPa~50KPa, and drop glue uses the first low speed-height
The method of fast-the second low speed is carried out, and the drop glue rotating speed of the first low speed drop glue is 200~400rpm/s, and the drop glue of drop glue turns at a high speed
Speed is 800~1000rpm/s, and the drop glue rotating speed of the second low speed is 100~200rpm/s, corresponding spin coating time be respectively 60s,
30s, 20s, drip glue and spin coating 3~5 times repeatedly；(2) coated fuel cell electrode is put into 120~150 DEG C of baking oven
Overnight, negative pressure 2h in vacuum drying chamber is placed in after taking-up, the pressure limit of vacuum drying chamber is 1 ± 0.05MPa, vacuum drying chamber
Corresponding temperature is 45~150 DEG C；(3) nitrogen protects the fuel cell vessel for being coated with film processed through step (2)
It is heat-treated in the tube furnace of shield, the temperature that heat treatment is used is hypo-hyperthermia pattern, wherein 400 DEG C of insulation 4h of low temperature, height
800 DEG C of insulation 1h of temperature；
S5, oxidation solution treatment, it is 5 to take mol ratio:1:2 aniline, ammonium persulfate, phosphoric acid, is added sequentially in ethanol solution,
High-speed stirred 2h, forms uniform alumina solution, and the fuel cell electrode for being coated with carbon-base film immerses the oxidation solution, stands
20min, taking-up is dried up with nitrogen gun；
S6, coats the freeze proof film of antibacterial, will take 20ml after obtained antiseptic solution vacuum outgas 1h in step S3, and vacuum pressure is
20KPa~50KPa, the fuel cell electrode top layer processed through step S5 is coated on using spin coating method, and drop glue is used
300rpm/s rotating speeds, spin coating 2min；Fuel cell electrode is placed in 20~30h is dried in 50~90 DEG C of vacuum drying chamber, very
The pressure of empty van is 20KPa~50Kpa, and then repeat step S4, S5, S6 be twice.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109326379A (en) * | 2017-08-01 | 2019-02-12 | 深圳市绿联科技有限公司 | A kind of novel HMDI line |
| CN109546729A (en) * | 2017-08-01 | 2019-03-29 | 深圳市绿联科技有限公司 | A kind of Multipurpose mobile power supply |
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| CN202373658U (en) * | 2011-10-24 | 2012-08-08 | 南通天华和睿科技创业有限公司 | Pole plate for fuel cell |
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| CN104577143A (en) * | 2015-01-13 | 2015-04-29 | 浙江大学 | Method for preparing antibacterial air cathode |
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| CN103619911A (en) * | 2011-04-20 | 2014-03-05 | 斯菲瑞技术有限公司 | Cross-linked poly-E-lysine non-particulate support |
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| CN109546729A (en) * | 2017-08-01 | 2019-03-29 | 深圳市绿联科技有限公司 | A kind of Multipurpose mobile power supply |
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