CN110492157A - Tubular methanol fuel cell - Google Patents
Tubular methanol fuel cell Download PDFInfo
- Publication number
- CN110492157A CN110492157A CN201910689161.9A CN201910689161A CN110492157A CN 110492157 A CN110492157 A CN 110492157A CN 201910689161 A CN201910689161 A CN 201910689161A CN 110492157 A CN110492157 A CN 110492157A
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- Prior art keywords
- screw thread
- tubular
- porous
- fuel cell
- methanol
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- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 title claims abstract description 230
- 239000000446 fuel Substances 0.000 title claims abstract description 48
- 239000012528 membrane Substances 0.000 claims abstract description 28
- 239000002184 metal Substances 0.000 claims abstract description 22
- 229910052751 metal Inorganic materials 0.000 claims abstract description 22
- 239000007788 liquid Substances 0.000 claims abstract description 20
- 238000000926 separation method Methods 0.000 claims abstract description 17
- 239000010410 layer Substances 0.000 claims description 50
- 238000009792 diffusion process Methods 0.000 claims description 26
- 238000009423 ventilation Methods 0.000 claims description 19
- 239000006260 foam Substances 0.000 claims description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 8
- 239000003054 catalyst Substances 0.000 claims description 7
- 238000006555 catalytic reaction Methods 0.000 claims description 6
- 239000003292 glue Substances 0.000 claims description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 3
- 238000004078 waterproofing Methods 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 2
- 239000010439 graphite Substances 0.000 claims description 2
- 239000011229 interlayer Substances 0.000 claims description 2
- 239000007769 metal material Substances 0.000 claims description 2
- 229920006267 polyester film Polymers 0.000 claims description 2
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract 1
- 238000007789 sealing Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 22
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 10
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 7
- 230000005611 electricity Effects 0.000 description 7
- 238000005538 encapsulation Methods 0.000 description 7
- 229960004424 carbon dioxide Drugs 0.000 description 4
- 238000003487 electrochemical reaction Methods 0.000 description 4
- 229910021389 graphene Inorganic materials 0.000 description 4
- 229910052759 nickel Inorganic materials 0.000 description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 239000001569 carbon dioxide Substances 0.000 description 3
- 238000001595 flow curve Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 description 2
- 239000003550 marker Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002090 carbon oxide Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005518 electrochemistry Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000009466 transformation Effects 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
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
- H01M8/04119—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying
- H01M8/04156—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying with product water removal
- H01M8/04164—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying with product water removal by condensers, gas-liquid separators or filters
-
- 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
- H01M8/10—Fuel cells with solid electrolytes
- H01M8/1004—Fuel cells with solid electrolytes characterised by membrane-electrode assemblies [MEA]
-
- 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
- H01M8/10—Fuel cells with solid electrolytes
- H01M8/1009—Fuel cells with solid electrolytes with one of the reactants being liquid, solid or liquid-charged
- H01M8/1011—Direct alcohol fuel cells [DAFC], e.g. direct methanol fuel cells [DMFC]
-
- 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
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Fuel Cell (AREA)
Abstract
The present invention relates to field of fuel cell technology, more particularly to a kind of tubular methanol fuel cell, including the anodic porous internal screw thread cylinder methanol chamber encapsulated from inside to outside, tubular type membrane electrode, porous metal mesh and porous afflux pressure rings, the ring Zhou Jun of the porous afflux pressure rings has equipped with pressure rings aperture, the side of porous afflux pressure rings is opening-like, it is fixed in the position that there are two link blocks, several connecting holes are equipped on link block, bolt passes through the connecting hole, the both ends of bolt are fixed by nut, the pressure of porous afflux pressure rings is adjusted by adjusting nut tightness adjusting, methanol cavity thin-wall aperture is uniformly provided on the side wall of the anodic porous internal screw thread cylinder methanol chamber, the top seal of the anodic porous internal screw thread cylinder methanol chamber is equipped with gas-liquid separation device.Present invention environmental protection is easy sealing, series-parallel combination multiplicity, volumetric specific power density height.
Description
Technical field
The present invention relates to field of fuel cell technology more particularly to a kind of tubular methanol fuel cells.
Background technique
Direct methanol fuel cell is that the oxygen in a kind of methanol aqueous solution and cathode air by anode passes through electrochemistry
Reaction converts chemical energy to the power generator of electric energy, without the reformation hydrogen production by methanol, gasoline and natural gas for hair
Electricity itself does not have the combustion reaction process of fuel, therefore is not limited by Carnot cycle, and energy transformation ratio can reach
60%.Low emission, high-energy density, the quickly and easily battery that charges have attracted the concern of more and more people, direct methanol combustion
A battery seemingly suitable selection is expected, because it is not only environmentally protective but also capacity usage ratio is high.Direct methanol fuel electricity
Pond membrane electrode is mostly, so composition pile can only be together in series using bipolar plates, to form plate and frame knot using plate design
Structure, form are relatively simple, volume ratio is cumbersome, and volumetric specific power density is not high, and bipolar plates involve great expense, technical requirements compared with
Height is unfavorable for the commercialization process of methanol fuel cell.
Currently, the Tubular Direct Methanol Fuel Cell provided in Chinese patent CN109411792A relies on cathode collector certainly
The shortcomings that body fastening force encapsulation battery, the patent is: encapsulation pressure in this way is uncontrollable, and encapsulates pressure to methanol fuel electricity
Pond performance is affected, and loosening must occur in the battery structure after working long hours in above-mentioned patent, each component cannot be pasted closely
It closes, influences battery performance.In addition, the circular direct methanol fuel battery provided in Chinese patent CN100590923C, the patent
Encapsulation pressure it is also unadjustable, in addition battery use check valve carry out physical management, structure is complicated, and cost is higher.
Summary of the invention
It is an object of the invention to overcome the shortcomings of above-mentioned technology, and provide a kind of tubular methanol fuel cell.
To achieve the above object, using following technical scheme: a kind of tubular methanol fuel cell, feature exist the present invention
In: including anodic porous internal screw thread cylinder methanol chamber, tubular type membrane electrode, porous metal mesh and the porous collection encapsulated from inside to outside
Pressure rings are flowed, the ring Zhou Jun of the porous afflux pressure rings has equipped with pressure rings aperture, and the side of porous afflux pressure rings is in open
Mouth shape, fixed in the position there are two link blocks, several connecting holes are equipped on link block, and bolt passes through the connecting hole,
The both ends of bolt are fixed by nut, and the pressure of porous afflux pressure rings, the anodic porous are adjusted by adjusting nut tightness adjusting
Methanol cavity thin-wall aperture is uniformly provided on the side wall of internal screw thread cylinder methanol chamber, the anodic porous internal screw thread cylinder methanol chamber
Top seal is equipped with gas-liquid separation device.
Preferably, the gas-liquid separation device includes that external screw thread screws head, gas-liquid separation membrane and the hollow ventilation of external screw thread
Head, the external screw thread screw head and are threadedly coupled with the anodic porous internal screw thread cylinder methanol chamber, and the external screw thread screws in head
Portion has cavity, and cavity bottom has connecting hole, and the gas-liquid separation membrane is placed on the top of the connecting hole, the external screw thread
The cavity that hollow ventilation head and the external screw thread screw head is threadedly engaged and compresses the gas-liquid separation membrane, and the external screw thread is hollow
The inside of ventilation head is equipped with exhaust passage, and one end of exhaust passage is located at the bottom of the hollow ventilation head of external screw thread, and the other end extends
To the outside of the hollow ventilation head of external screw thread.The intracavitary electrochemical reaction of battery fuel generates carbon dioxide gas and is effectively discharged, and object
Material is blocked in fuel cavity.
Preferably, the tubular type membrane electrode includes the anode gas diffusion layer, anode catalyst layer, proton exchange of tubular structure
Film, cathode catalysis layer, tubular structure cathode gas diffusion layer, tubular anode gas diffusion layers are in most inner side, followed by anode
Catalytic Layer, proton exchange membrane, cathode catalysis layer, tubular type cathode gas diffusion layer are fitted closely in outermost, five layers of interlayer structure
Constitute tubular type membrane electrode.
Preferably, the other end of the exhaust passage is located at the top side of external screw thread air exchange head.
Preferably, it is identical with the external screw thread to screw the connection bore dia of a bottom for the diameter of the exhaust passage.
Preferably, the material of the anodic porous internal screw thread cylinder methanol chamber is graphite or stainless steel and other metal materials.
Preferably, the cathode gas diffusion layer of the anode gas diffusion layer of the tubular structure and tubular structure be carbon cloth,
Foam metal, can be with curved conductive gas permeable material or the Ni-based three-dimensional grapheme of foam.
Preferably, layer of transparent is equipped between the edge of the tubular type membrane electrode and anodic porous internal screw thread cylinder methanol chamber
Polyester film double-faced waterproofing glue.
The beneficial effects of the present invention are: compared with the existing technology, cell membrane-electrode inner surface has a strata ester film two-sided
Marine glue, cell outer end have porous afflux pressure rings, by adjusting bolt and nut control encapsulation pressure, electricity of " acting from inside in coordination with forces attacking from outside " in this way
Each component fitting in pond is even closer, and contact internal resistance is smaller；Gas-liquid separation device is simplified, the complexity such as check valve, pump portion has been abandoned
Part, only with one layer of gas-liquid separation membrane, external screw thread screws the hollow ventilation head of head, external screw thread from spiralization, and structure is simpler.
Detailed description of the invention
Fig. 1 is surface structure schematic diagram after tubular methanol fuel cell of the present invention encapsulation；
Fig. 2 is that tubular methanol fuel cell of the present invention encapsulates rear axle sectional view；
Fig. 3 is the enlarged drawing in Fig. 2 at A；
Fig. 4 is that tubular methanol fuel cell of the present invention encapsulates after-explosion schematic diagram；
Fig. 5 is the voltage and current-curve and power-current curve of tubular methanol fuel cell of the present invention；
Fig. 6 is the Nyquist curve of tubular methanol fuel cell of the present invention；
In figure: the hollow ventilation head of 1- external screw thread, 2- external screw thread screw head, 3- anodic porous internal screw thread cylinder methanol chamber, 4-
Gas-liquid separation membrane, 5- methanol cavity thin-wall aperture, 6- anode gas diffusion layer, 7- anode catalyst layer, 8- proton exchange membrane, 9- cathode
Catalytic Layer, 10- cathode gas diffusion layer, 11- porous metal mesh, the porous afflux pressure rings of 12-, 13- nut, 14- screw.
Specific embodiment
With reference to the accompanying drawing and the preferred embodiment specific embodiment that the present invention will be described in detail.Fig. 1-4 shows a kind of pipe
Formula methanol fuel cell, including anodic porous internal screw thread cylinder methanol chamber 3, tubular type membrane electrode (the tubular type knot encapsulated from inside to outside
The cathode gas expansion of the anode gas diffusion layer 6, anode catalyst layer 7, proton exchange membrane 8, cathode catalysis layer 9, tubular structure of structure
Dissipate layer 10), porous metal mesh 11, porous afflux pressure rings 12, screw 14, nut 13.Anodic porous internal screw thread cylinder methanol chamber 3
Whole height is 60mm, internal diameter 17mm, outer diameter 18mm, and wall thickness 0.5mm, methanol chamber height is 40mm, and methanol cavity thin-wall is small
Bore dia is 2mm (experiment aperture 1-2 millimeters of battery performance of discovery is optimal), the anode gas diffusion layer 6 and cathode of tubular structure
Gas diffusion layers 10 are with a thickness of 0.5mm.The anode gas diffusion layer of the tubular structure and the cathode gas diffusion of tubular structure
Layer be carbon cloth, foam metal, can be with curved conductive gas permeable material, the material of gas diffusion layers is that foam is Ni-based in this implementation column
Three-dimensional grapheme.It is poly- equipped with layer of transparent between the anode side edges and anodic porous internal screw thread cylinder methanol chamber of tubular type membrane electrode
Ester film double-faced waterproofing glue.The two is fitted closely, prevents material from revealing.
The ring Zhou Jun of the porous afflux pressure rings has equipped with pressure rings aperture, is conducive to the discharge of methanol fuel cell product
And breathing.The side of porous afflux pressure rings is opening-like, and fixed in the position there are two link blocks, is equipped on link block
Several connecting holes, bolt pass through the connecting hole, and the both ends of bolt are fixed by nut, by tightening the porous collection of nut adjustment
Flow the pressure of pressure rings.Porous afflux pressurizes itself with certain pretightning force, if encapsulation pressure requirements, Ke Yitong is not achieved in it
It crosses and tightens nut increase pressure, in addition can also pass through screw on nut flexible modulation in cell operations and encapsulate pressure.
It includes the hollow ventilation head 1 of external screw thread being arranged from top to bottom, gas-liquid that gas-liquid separation device is placed in the battery
Seperation film 4, external screw thread screw first 2, and external screw thread, which screws first 2 and is threadedly engaged with anodic porous internal screw thread cylinder methanol chamber 3, to be screwed, institute
It states external screw thread to screw with cavity inside head, cavity bottom has connecting hole, and the gas-liquid separation membrane is placed on the connecting hole
Top, the cavity that the hollow ventilation head 1 of the external screw thread and the external screw thread screw first 2 is threadedly engaged and compresses the gas-liquid point
From film, the inside of the hollow ventilation head of external screw thread is equipped with exhaust passage, and one end of exhaust passage is located at the hollow ventilation of external screw thread
The bottom of head, the other end extend to the outside of the hollow ventilation head of external screw thread.The intracavitary electrochemical reaction of methanol generates after encapsulation two
Carbonoxide bubble passes sequentially through connecting hole, gas-liquid separation membrane, exhaust passage discharge, and then to stay in methanol intracavitary for methanol solution.
Fig. 5 shows power-electricity that the obtained square box closed symbols curve in this example is tubular methanol fuel cell
Flow curve, circular hollow mark curve is the voltage-current curve of tubular methanol fuel cell, by curve it can be seen that battery
Maximum power output be 72mW, cell height 6cm, outer diameter 1.8cm, the volume of battery is 15.26cm3, then tubular type first
The volumetric specific power density of alcohol fuel battery is 4.72mW/cm3, because external environment is 26 DEG C of room temperature when battery testing, humidity
It is 40%, if improving temperature and humidity, the power of tubular methanol fuel cell can be higher, and performance also can be more preferable.Top it is rectangular
Frame closed symbols curve is the power-current curve for having the tubular methanol fuel cell of 11 structure of porous metal mesh, the side of lower part
Shape frame closed symbols curve is the power-current curve of the tubular methanol fuel cell of no 11 structure of porous metal mesh, can be seen
The battery maximum power output for having 11 structure of porous metal mesh out is 72mW, and the battery highest without 11 structure of porous metal mesh is defeated
Power is only 53mW out.The circle marker curve on top is the electricity for having the tubular methanol fuel cell of 11 structure of porous metal mesh
Piezo-electric flow curve, the circle marker curve of lower part for the tubular methanol fuel cell of no 11 structure of porous metal mesh electric piezo-electric
Flow curve, it can be seen that the battery most High Output Current for having 11 structure of porous metal mesh is 540mA, and without 11 knot of porous metal mesh
The battery of structure most High Output Current is only 380mA.
Fig. 6 shows the Nyquist curve graph of tubular methanol fuel cell in this example, and left side circular curve is to have porous gold
Belong to the Nyquist curve graph of the tubular methanol fuel cell of 11 structure of net, right side circular curve is to have 11 structure of porous metal mesh
Tubular methanol fuel cell Nyquist curve graph, it can be seen that have the tubular methanol fuel electricity of 11 structure of porous metal mesh
Pond internal resistance is 0.13 Ω, and the tubular methanol internal resistance of fuel cell of no 11 structure of porous metal mesh is 0.19 Ω, so there is porous gold
The tubular methanol internal resistance of fuel cell for belonging to 11 structure of net is lower, and output electric current is higher, and peak power is bigger, and performance is more excellent.
The hollow ventilation head 1 of battery external screw thread and the porous afflux pressure rings 12 (or 11 connecting wire of porous metal mesh) of battery
When connecing load, the work of tubular methanol fuel cell electric discharge, after injecting methanol to anodic porous internal screw thread cylinder methanol chamber 3, methanol
The table of the anode ring-type nickel foam base graphene gas diffusion layers (anode diffusion layer) 6 of tubular structure is uniformly scattered by aperture
Then face passes through the porous structure of the anode ring-type nickel foam base graphene gas diffusion layers (anode diffusion layer) 6 of tubular structure
It is evenly distributed in 7 surface of anode catalyst layer, methanol aqueous solution occurs electrochemical reaction in anode catalyst layer and generates carbon dioxide
Minute bubbles, hydrogen ion and electronics, while the oxygen in air is small by porous 12 aperture of afflux pressure rings and porous metal mesh 11
Hole and cathode tubulose nickel foam base graphene gas diffusion layers (cathode diffusion layer) 10 uniformly reach cathode catalysis layer 9, and
Anode-side imports the electronics of cathode by external circuit and electrochemical reaction generation occurs across the hydrogen ion of proton exchange membrane 8
Water.The carbon dioxide minute bubbles that tubular methanol anode of fuel cell side generates are assembled in anodic porous internal screw thread cylinder methanol chamber 3
And through after gas-liquid separation membrane 4, the hollow structure discharge battery of first 2 and the hollow ventilation head 1 of external screw thread, electricity are screwed by external screw thread
The water that pool cathode side generates then passes through cathode tubulose nickel foam base graphene gas diffusion layers (cathode diffusion layer) 10 and porous collection
Flow 12 aperture of pressure rings and the discharge of 11 aperture of porous metal mesh.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (8)
1. a kind of tubular methanol fuel cell, it is characterised in that: including the anodic porous internal screw thread cylinder first encapsulated from inside to outside
The ring Zhou Jun of alcohol chamber, tubular type membrane electrode, porous metal mesh and porous afflux pressure rings, the porous afflux pressure rings is equipped with
The side of pressure rings aperture, porous afflux pressure rings is opening-like, and fixed in the position there are two link blocks, sets on link block
There are several connecting holes, bolt passes through the connecting hole, and the both ends of bolt are fixed by nut, by adjusting nut tightness adjusting adjusting
It is small to be uniformly provided with methanol cavity thin-wall on the side wall of the anodic porous internal screw thread cylinder methanol chamber for the pressure of porous afflux pressure rings
The top seal in hole, the anodic porous internal screw thread cylinder methanol chamber is equipped with gas-liquid separation device.
2. tubular methanol fuel cell according to claim 1, it is characterised in that: the gas-liquid separation device includes outer spiral shell
Line screws head, gas-liquid separation membrane and the hollow ventilation head of external screw thread, the external screw thread and screws head and the anodic porous internal screw thread
Cylinder methanol chamber is threadedly coupled, and the external screw thread is screwed with cavity inside head, and cavity bottom has connecting hole, the gas-liquid point
From the top that film is placed on the connecting hole, the cavity screw thread that the hollow ventilation head of external screw thread screws head with the external screw thread is matched
Merge and compress the gas-liquid separation membrane, the inside of the hollow ventilation head of external screw thread is equipped with exhaust passage, one end of exhaust passage
Positioned at the bottom of the hollow ventilation head of external screw thread, the other end extends to the outside of the hollow ventilation head of external screw thread.
3. tubular methanol fuel cell according to claim 1 or 2, it is characterised in that: the tubular type membrane electrode includes pipe
The cathode gas expansion of the anode gas diffusion layer, anode catalyst layer, proton exchange membrane, cathode catalysis layer, tubular structure of formula structure
Layer is dissipated, tubular anode gas diffusion layers are in most inner side, followed by anode catalyst layer, proton exchange membrane, cathode catalysis layer, tubular type are negative
For pole gas diffusion layers in outermost, five layers of interlayer structure, which fit closely, constitutes tubular type membrane electrode.
4. tubular methanol fuel cell according to claim 3, it is characterised in that: the other end of the exhaust passage is located at
The top side of external screw thread air exchange head.
5. tubular methanol fuel cell according to claim 4, it is characterised in that: the diameter of the exhaust passage with it is described
The connection bore dia that external screw thread screws a bottom is identical.
6. tubular methanol fuel cell according to claim 5, it is characterised in that: the anodic porous internal screw thread cylinder first
The material of alcohol chamber is graphite or stainless steel and other metal materials.
7. tubular methanol fuel cell according to claim 6, it is characterised in that: the anodic gas of the tubular structure expands
Dissipate layer and tubular structure cathode gas diffusion layer be carbon cloth, foam metal, can be with curved conductive gas permeable material or foam
Ni-based three-dimensional grapheme.
8. tubular methanol fuel cell according to claim 7, it is characterised in that: the edge and sun of the tubular type membrane electrode
Layer of transparent polyester film double-faced waterproofing glue is equipped between extremely porous internal screw thread cylinder methanol chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910689161.9A CN110492157A (en) | 2019-07-29 | 2019-07-29 | Tubular methanol fuel cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910689161.9A CN110492157A (en) | 2019-07-29 | 2019-07-29 | Tubular methanol fuel cell |
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| CN110492157A true CN110492157A (en) | 2019-11-22 |
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| CN201910689161.9A Pending CN110492157A (en) | 2019-07-29 | 2019-07-29 | Tubular methanol fuel cell |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111999391A (en) * | 2020-06-24 | 2020-11-27 | 天津科技大学 | Acoustic emission monitoring device and fatigue damage analysis method for material structure by using same |
| CN113488674A (en) * | 2021-07-07 | 2021-10-08 | 哈尔滨工业大学（深圳） | Cylindrical self-breathing fuel cell and assembly method thereof |
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