CN101461080A - Fluid tank for fuel cell - Google Patents
Fluid tank for fuel cell Download PDFInfo
- Publication number
- CN101461080A CN101461080A CNA2007800201009A CN200780020100A CN101461080A CN 101461080 A CN101461080 A CN 101461080A CN A2007800201009 A CNA2007800201009 A CN A2007800201009A CN 200780020100 A CN200780020100 A CN 200780020100A CN 101461080 A CN101461080 A CN 101461080A
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- Prior art keywords
- fluid slot
- stationary pipes
- connecting elements
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- introduction member
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Links
- 239000012530 fluid Substances 0.000 title claims abstract description 103
- 239000000446 fuel Substances 0.000 title claims abstract description 89
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000012528 membrane Substances 0.000 claims abstract description 25
- 239000007788 liquid Substances 0.000 claims abstract description 24
- 238000000926 separation method Methods 0.000 claims abstract description 24
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 21
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 21
- 239000007791 liquid phase Substances 0.000 claims abstract description 17
- 238000007599 discharging Methods 0.000 claims abstract description 6
- 230000009977 dual effect Effects 0.000 claims abstract description 5
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 198
- 210000004027 cell Anatomy 0.000 claims description 75
- 210000005056 cell body Anatomy 0.000 claims description 42
- 239000013536 elastomeric material Substances 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 2
- 239000012071 phase Substances 0.000 abstract description 7
- 230000004888 barrier function Effects 0.000 description 20
- 238000009792 diffusion process Methods 0.000 description 20
- 239000007789 gas Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 239000005518 polymer electrolyte Substances 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007784 solid electrolyte Substances 0.000 description 1
Images
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
- H01M8/04186—Arrangements for control of reactant parameters, e.g. pressure or concentration of liquid-charged or electrolyte-charged reactants
-
- 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
Abstract
Disclosed herein are a fluid tank used as a water controller system for fuel cells, wherein the fluid tank includes a housing defining an inner space for receiving a liquid-phase component and a gas-phase component, discharging carbon dioxide and air of the gas-phase component, and supplying the liquid-phase component into a fuel cell stack, and wherein the housing is constructed in a dual structure in which a hermetically-sealed type inner case is disposed inside a hermetically-sealed type outer case such that a space defined between the hermetically-sealed type cases is filled with water, the housing is provided on the outer case and the inner case at one side surface thereof with one or more gas and liquid separation membranes, respectively, and the housing is provided on the outer case and the inner case at the other side surface thereof with one or more gas and liquid separation membranes, respectively, whereby the gas-phase component passes through the water filled in the space defined between the inner and outer cases when the gas-phase component is discharged to the outside from the inner space of the housing, and a fuel cell including the fluid tank.
Description
Technical field
[1] the present invention relates to be used for the fluid slot of fuel cell, more specifically, relate to the fluid slot that is used for fuel cell as the water controller system, and the fuel cell that comprises this fluid slot, wherein said fluid slot comprises cell body, it is constructed to dual structure and joins the carbon dioxide of the liquid phase component in the described cell body and air and join gaseous component in the described cell body to the fuel cell pack supply with discharge, described cell body has gas-liquid separation membrane, preferably fluid slot is configured to wherein contain the structure that is useful on to the playpipe of described fuel cell pack fuel supplying, described playpipe comprises stationary pipes and the swivelling pipe that is connected with this stationary pipes.
Background technology
[2] fuel cell is an a kind of new-generation system, and it will be converted into electric energy by the chemical energy that the electrochemical reaction between fuel (hydrogen or methyl alcohol) and the oxidant (oxygen or air) produces.Because energy-efficient and low pollutant emission, i.e. environmental friendliness characteristic, fuel cell has been subjected to extensive concern as the energy of future generation, and a lot of research to fuel cell launches.
[3] according to employed electrolyte kind, fuel cell can be divided into phosphoric acid fuel cell, alkaline fuel cell, polymer electrolyte fuel cells, molten carbonate fuel cell and Solid Oxide Fuel Cell.Wherein, polymer electrolyte fuel cells can be divided into the direct methanol fuel cell of using Proton Exchange Membrane Fuel Cells that hydrogen acts as a fuel or wherein liquid phase methyl alcohol being arrived anode as direct supply of fuel.
[4] owing to 100 ℃ or lower low working temperature, utilize solid electrolyte to eliminate leakage problems, startup fast and response characteristic and fabulous durability, polymer electrolyte fuel cells as the portable power supply device, be used for the energy source device of the vehicles or be used for the energy source device of family expenses and be in the focus that people pay close attention to.Particularly, direct methanol fuel cell has simple fuel system, and compares with other fuel cell, and the overall structure of direct methanol fuel cell is uncomplicated.And then the miniaturization of direct methanol fuel cell is possible.Therefore, to direct methanol fuel cell being used as the research well afoot of portable fuel battery.
[5] Fig. 1 is typical case's diagram of conventional direct methanol fuel cell system.
[6] with reference to figure 1, fuel cell system 10 comprises: fuel cell pack 20, and it has the air electrode (negative electrode) and the fuel electrode (anode) on the relative both sides that place the dielectric film that is prepared by polymeric material respectively; First pump 30 is used for comprising oxygen to described negative electrode supply air, acts as a fuel; Second pump 31 is used for acting as a fuel to described anode supply methanol solution; Fluid slot 100, it is constructed so that the water, carbon dioxide and the unreacted methanol that produce are added in the fluid slot 100 through managing 40 and 50 from fuel cell pack 20, described carbon dioxide is discharged from fluid slot 100 through discharge pipe 60, and water and unreacted methanol are supplied to fuel cell pack 20 again by second pump 31; The 3rd pump 32 is used for replenishing methyl alcohol for fuel cell pack 20 to fuel cell pack 20 supply fresh methanol to use the amount suitable with consuming quantity of methyl alcohol; Heat exchanger 70; With methyl alcohol storage tank 80.
[7] be supplied to the methanol solution of anode to be separated into hydrogen ion and electronics.Described hydrogen ion is moved to negative electrode through dielectric film, and described electronics is moved to negative electrode via the external circuit (not shown), produces electric energy thus from fuel cell pack 20.At this moment, produce water, and produce carbon dioxide and unreacted methanol from anode from negative electrode.Described water, carbon dioxide and unreacted methanol are introduced in the fluid slot 100.Wherein, water and unreacted methanol and the pure methanol mixed of supplying from methyl alcohol storage tank 80 through the 3rd pump 32 replenish methyl alcohol for fuel cell pack 20 to use the amount suitable with consuming quantity of methyl alcohol, and this mixture is supplied to fuel cell pack 20 again.
[8] as mentioned above, have only when methanol solution is without interruption to direct methanol fuel cell system from the outside, and when carbon dioxide removed from direct methanol fuel cell system continuously, could normal running direct methanol fuel cell system 10, these are different with chemical cell.Therefore, be very important to the direct methanol fuel cell system methanol solution without interruption and the function of from direct methanol fuel cell system, constantly removing the fluid slot of carbon dioxide.
[9] common, through its with product from fuel cell pack introduce fluid slot pipe, through it liquid-phase mixing solution is supplied to the pipe of fuel cell pack and fixes in fluid slot through the position of its pipe that gas phase carbon dioxide is discharged from fluid slot from fluid slot.Therefore, when fluid slot tilted, shakes or overturns, fuel just may not successfully be supplied to fuel cell pack from fluid slot, and carbon dioxide may not be discharged from fluid slot.
[10] on the other hand, the great majority that are introduced into the unreacted methanol in the fluid slot exist with liquid phase.But, may exist with gas phase thereby unreacted methanol may be evaporated unreacted methanol.It is that there is a strong possibility that described gas phase unreacted methanol is emitted with carbon dioxide.Therefore, by suitable collection unreacted methanol to prevent that the discharging of unreacted methanol from fluid slot from being very important.
[11] therefore, be starved of a kind of fluid slot, even it tilts or also can collect the unreacted methanol solution of discharging from fuel cell during upset effectively and discharge carbon dioxide and to fuel cell pack fuel supplying mixture when fluid slot.
Summary of the invention
Technical problem
[12] therefore, the objective of the invention is other technical problem of addressing the above problem and awaiting to solve.
[13] particularly, an object of the present invention is to provide a kind of fluid slot, even it also can suppress unreacted methanol gas from the discharge of fuel cell to the outside when fluid slot tilts or overturn, again utilize from the collected methanol solution that methanol gas obtained effectively, and normally discharge carbon dioxide.
[14] another object of the present invention provides the fuel cell that comprises described fluid slot.
Technical scheme
[15] according to an aspect of the present invention, above-mentioned and other purpose can realize by the fluid slot as the water controller system that is provided for fuel cell, wherein said fluid slot comprises cell body, this cell body defines an inner space that is used to receive liquid phase component and gaseous component, discharging carbon dioxide of gaseous component and air and to fuel cell pack supply liquid phase component, and wherein said cell body is constructed to dual structure, wherein case in the sealed type is placed the sealed type outer container, make in the space that is limited between the sealed type case and be full of water, cell body disposes one or more gas-liquid separation membrane respectively on the one side surface on described outer container and interior case, and cell body is disposing one or more gas-liquid separation membrane respectively on described outer container and the interior case on its opposite side surface, thus when described gaseous component from the inner space of cell body when discharge the outside, this gaseous component is through the water in the space that limits between the outer container in being filled in.
[16] therefore, can reduce the discharge capacity of methanol steam to greatest extent according to fluid slot of the present invention.Particularly, be discharged into the outside introduce water in the space that the gaseous component in the fluid slot can not limit between described gaseous component is by outer container in being filled in before.Therefore, the water in the space that limits between the outer container in the unreacted methanol steam that exists in gaseous component is filled in absorbs.So, prevented of the discharging of unreacted methanol steam to the outside.
[17] consider above-mentioned aspect, preferably on interior case and outer container, form gas-liquid separation membrane so that gas-liquid separation membrane is spatially separated from one another.For example, when the left side at interior case upper end face formed a gas-liquid separation membrane, another gas-liquid separation membrane can be formed on the right of outer container upper end face.Therefore, increased the fluid passage (through this fluid passage, the gaseous component that sees through the gas-liquid separation membrane form on interior case flows to the gas-liquid separation membrane that forms on outer container) length, so further increased the amount of the unreacted methanol steam of the water absorption in the space that limits between the outer container in being filled in.
[18] also forming gas-liquid separation membrane on the another side surface of the relative cell body in surface on one side on the surface, one side of cell body with described cell body.Therefore, though since multiple extraneous factor when fluid slot is not kept upright state, gaseous component, for example carbon dioxide and air are still normally discharged from fluid slot.
[19] preferably described gas-liquid separation membrane has been formed on the configuration of cell body on the cathode-side feed pipe surface vertical with a side surface of anode side feed pipe.For example, when feed pipe being configured in a side surface place of cell body, gas-liquid separation membrane can be formed on the surface vertical with a side surface of this cell body, that is, and on the top surface and/or basal surface of this cell body.Gas-liquid separation membrane is discharged into outside with the gaseous component that imports in the fluid slot through it as the passage of uniqueness.Therefore, further preferably the diagonal angle corner the apparent surface of described cell body forms gas-liquid separation membrane, even so that when fluid slot during with arbitrarily angled inclination, at least one the gas-liquid separation membrane that forms on the internal box continuously and the gaseous component in fluid slot contact.This structure will describe in detail with reference to the accompanying drawing of explaining the preferred embodiment for the present invention hereinafter.
[20] described cathode-side feed pipe and anode side feed pipe are to import to pipe in the fluid slot through its product that will produce in fuel cell pack.Described cathode-side feed pipe is the pipe that is connected to the negative electrode of fuel cell pack, and the anode side feed pipe is the pipe that is connected to the anode of fuel cell pack.
[21] as mentioned above, the water that is incorporated in the space that methanol steam in the space that limits between interior outer container limits between the outer container in being filled in absorbs.Therefore, increased methanol concentration a little.So, preferably on the interior case of cell body and/or outer container, form opening and close mouth and be used to circulate or exchange water in the space that limits between the outer container in being filled in.For example, described opening and close mouth can be connected to described cathode-side feed pipe or anode side feed pipe so that reuse the methyl alcohol that is dissolved in the water through other pipe.
[22] in a preferred implementation, described fluid slot further comprises the pipe (playpipe) that is used for to fuel cell pack supply liquid phase component, and described playpipe comprises stationary pipes of passing this cell body and the swivelling pipe that is connected with the inside end of stationary pipes.Described swivelling pipe rotatably is connected with stationary pipes so that when fluid slot is moved, and the inlet of described swivelling pipe points to the lowermost portion of fluid slot owing to action of gravity.Use this structure, even when fluid slot during with arbitrarily angled inclination, the liquid phase component of introducing in the fluid slot also can add in the fuel cell pack by inlet again via swivelling pipe and stationary pipes.
[23] as long as under any circumstance the inlet of swivelling pipe is the lowest part that points to fluid slot, the structure of described stationary pipes and swivelling pipe can be carried out various modifications according to said structure.Other of stationary pipes and swivelling pipe may structure will be described in more detail below.
[24] as first example, described swivelling pipe can comprise connecting elements, its be rotatably connected with described stationary pipes so that this connecting elements perpendicular to described stationary pipes; And introduction member, it vertically is connected to this connecting elements so that described introduction member is connected with this connecting elements, and described introduction member has at its terminal inlet that forms.
[25] in this structure, connecting elements can comprise the cylindrical end that is connected with the link of stationary pipes with the vertical tubular member that is connected to this cylindrical end so that when connecting elements is connected with stationary pipes this connecting elements can revolve three-sixth turn around this stationary pipes.In following such mode stationary pipes is connected with connecting elements: stationary pipes is inserted in the cylindrical end of connecting elements.Preferably dispose the stationary pipes of a plurality of open-works at its link, described open-work is along the circumference configuration of this link, so that liquid phase component can pass through this open-work.
[26] introduction member also can be the cylindrical element parallel with stationary pipes so that this connecting elements is connected with introduction member in the centre of introduction member, and described introduction member can dispose inlet at its opposite end.According to circumstances, the inlet of described introduction member can be exposed in the gaseous component in fluid slot.Therefore, openable lid preferably is installed enters through this inlet to prevent gaseous component in the porch of introduction member.
[27] described introduction member can be rotated simultaneously and be turn-taked around stationary pipes.When fluid slot when the direction parallel with the direction of rotation of connecting elements tilts, the inlet that forms in the opposite two ends of introduction member may be positioned at the lowest part of fluid slot owing to the rotation of connecting elements.On the other hand, when fluid slot when the direction vertical with the direction of rotation of connecting elements tilts, because the introduction member structure of extending from the end of connecting elements in the opposite direction wherein, at least one inlet that forms in the relative end of introduction member may be positioned at the lowest part of fluid slot.
[28] the hinge type lid is installed in the porch of introduction member so that when this inlet is positioned at the lowest part of fluid slot, open this inlet and when this inlet is positioned at the highest of fluid slot, close this inlet.Preferably this inlet is configured to inclined cutout structure (inclined cutout structure), and described lid is hinged on the inclined cutout ends of this inlet so that this lid can according to circumstances open and close fast.
[29] as second example, described swivelling pipe can comprise connecting elements, its be rotatably connected with described stationary pipes so that this connecting elements perpendicular to described stationary pipes; And introduction member, its be rotatably coupled to this connecting elements so that described introduction member perpendicular to this connecting elements, described introduction member disposes inlet at an one end.
[30] in this structure, described connecting elements can have cylindrical end with introduction member, and connecting elements is connected with connecting elements with stationary pipes respectively with introduction member so that described connecting elements can rotate simultaneously with introduction member.Described stationary pipes is connected with connecting elements so that this stationary pipes is inserted in the described connecting elements, can dispose a plurality of open-works at its link, described open-work is along the circumference setting of the link of this stationary pipes, and described connecting elements is connected with introduction member so that this connecting elements is inserted in the described introduction member, can dispose a plurality of open-works at its link, described open-work is along the circumference setting of the link of this connecting elements.Preferably will be configured to inclined cutout structure by the terminal inlet that disposes, and lid will be hinged on the inclined cutout ends of this inlet of introduction member.This structure is described in conjunction with first example.
[31] when fluid slot when the direction parallel with the direction of rotation of introduction member tilts, the inlet of described introduction member may be positioned at the lowest part of fluid slot owing to the rotation of connecting elements.On the other hand, when fluid slot when the direction vertical with the direction of rotation of introduction member tilts, the inlet of described introduction member may be positioned at the lowest part of fluid slot owing to the rotation of connecting elements.
[32] as the 3rd example, the link of stationary pipes can be configured to have the projective structure of relatively large diameter, and will be configured to following this structure corresponding to the end of the swivelling pipe of the link of described stationary pipes: the protrusion link of wherein said stationary pipes can rotate the associated end of simultaneously the protrusion link of described stationary pipes firmly being inserted swivelling pipe.
[33] particularly, the end of described swivelling pipe can be formed sphere with relatively large diameter, and the spheric end of swivelling pipe can be configured to have with the space of the link corresponding structure structure of described stationary pipes so that the link of described stationary pipes can be inserted in the space of spheric end of this swivelling pipe.In this case, the link of preferred described stationary pipes or stationary pipes is made when with box lunch the link of described stationary pipes firmly being inserted the link of stationary pipes by elastomeric material, can minimize the infringement to the link of stationary pipes or stationary pipes.
[34] according to a further aspect in the invention, provide the fuel cell that comprises above-mentioned fluid slot.Preferred described fuel cell is a direct methanol fuel cell.
[35] in the field that the present invention is subordinate to, the detailed structure of direct methanol fuel cell is known with the method for preparing direct methanol fuel cell, therefore, and with the description that does not provide direct methanol fuel cell.On the other hand, the structure of fuel cell system and operation principle have been carried out concise and to the point description in front with reference to figure 1.
Description of drawings
[36] above and other objects of the present invention, feature and other advantage will obtain more clearly understanding from detailed description with the accompanying drawing hereinafter, wherein:
[37] Fig. 1 is the view of the structure of the conventional direct methanol fuel cell system of explanation;
[38] Fig. 2 is the exemplary view of explanation according to the fluid slot of first preferred implementation of the present invention;
[39] Fig. 3 is the front perspective view of the fluid slot of Fig. 2;
[40] Fig. 4 is an exploded stereogram of explaining the playpipe of the fluid slot that is arranged in Fig. 2;
[41] Fig. 5 is the stationary pipes of playpipe of key-drawing 4 and the partial enlarged drawing of the connection between the swivelling pipe;
[42] Fig. 6 is the partial enlarged drawing of inlet of introduction member of the playpipe of key-drawing 4;
[43] Fig. 7 is the stationary pipes of playpipe of key-drawing 4 and the vertical cross section of the connection between the swivelling pipe;
[44] Fig. 8 explains the partial assembled stereogram be arranged in according to the playpipe of the fluid slot of second preferred implementation of the present invention;
[45] Fig. 9 is the connecting elements of playpipe of key-drawing 8 and the partial enlarged drawing of the connection between the introduction member;
[46] Figure 10 explains the exploded perspective view be arranged in according to the playpipe of the fluid slot of the 3rd preferred implementation of the present invention;
[47] Figure 11 is the stationary pipes of playpipe of Figure 10 and the exemplary view of the connection between the swivelling pipe.
Embodiment
[48] present, will be described in detail with reference to the attached drawings preferred implementation of the present invention.But, should be pointed out that scope of the present invention is not subjected to the restriction of the execution mode of being explained.
[49] Fig. 2 is the typical case's diagram according to the fluid slot of first preferred implementation of the present invention.Part has been drawn the surface of casing so that more easily explain the internal structure of this fluid slot in Fig. 2.
[50] with reference to figure 2, fluid slot 100 comprises: cell body 200, and it comprises case 220 in hexahedron outer container 210 and the hexahedron; Cathode-side feed pipe 300 and anode side feed pipe 310, it is installed on the surface, one side 203 of cell body 200 so that cathode-side feed pipe 300 and anode side feed pipe 310 pass cell body 200, and described cathode-side feed pipe 300 and anode side feed pipe 310 are connected respectively to the negative electrode and the anode of fuel cell pack (not shown); With playpipe 400, it is configured to only replenish to fuel cell pack the structure of methanol solution.In the product that is introduced into from fuel cell pack through cathode-side feed pipe 300 and anode side feed pipe 310 fluid slot 100, carbon dioxide is discharged from fluid slot 100, and unreacted methanol solution is diluted into predetermined concentration and be fed to fuel cell pack again through playpipe 400.
[51] cell body 200 is constructed to dual structure, wherein with outer container 210 and interior case 220 each interval preset distances.The space water 230 that is limited between chest 210 and 220 fills up (referring to Fig. 3).Gas-liquid separation membrane (outer diffusion barrier A and B) 211 and 212 also is respectively formed at the upper surface 201 of cell body 200 and outer container 210 places on the basal surface 202, and gas-liquid separation membrane (interior diffusion barrier A and B) 221 and 222 is respectively formed at the upper surface 201 of cell body 200 and outer container 220 places on the basal surface 202.This structure is shown in detail among Fig. 3, and it is described fluid slot front perspective view (a y direction of principal axis).
[52] with reference to figure 3, outer diffusion barrier A 211 and interior diffusion barrier A 221 are configured in the outer container 210 that the upper surface 201 (referring to Fig. 2) of cell body 200 locates and the corresponding corner of interior case 220 respectively, so that outer diffusion barrier A 211 and the maximization of interior diffusion barrier A221 each interval.This is in order to increase the length of fluid passage, to flow to outer diffusion barrier A 211 through this fluid passage methanol steam by interior diffusion barrier A 221, increased the quantity of methyl alcohol that absorbs thus in water 230.In an identical manner, outer diffusion barrier A 211 and interior diffusion barrier B 222, outer diffusion barrier B 212 and interior diffusion barrier B 222 and outer diffusion barrier B 212 and interior diffusion barrier A 221 each interval maximization respectively.
[53] when fluid slot 100 (referring to Fig. 2) is in suitable position, interior diffusion barrier A 221 and gaseous component 240, for example carbon dioxide, methanol gas and air contact, and interior diffusion barrier B 222 and liquid phase component 250, for example methanol solution contacts with water.On the other hand, when fluid slot 100 when the x of Fig. 2 direction of principal axis tilts, liquid phase component 250 is shifted to a side surface 203 of cell body 200, diffusion barrier A221 begins to touch liquid phase component 250 in the result.But simultaneously interior diffusion barrier B222 is exposed to gaseous component 240.Therefore, the discharge carbon dioxide that can have no problem.Because interior diffusion barrier 221 and 222 is disposed in the corner of cell body 200, even so when fluid slot 100 at x, y and z direction of principal axis and in the direction opposite with the z direction of principal axis with x, y, also promptly when all directions tilt, carbon dioxide also can be discharged with having no problem.In other words, though when fluid slot 100 when either direction tilts, at least one in the interior diffusion barrier 221 and 222 is exposed to gaseous component 240, therefore, can discharge carbon dioxide with having no problem.
[54] with reference to figure 2 and Fig. 4～6, stationary pipes 410 that the playpipe 400 of fluid slot 100 comprises a side surface 203 that passes cell body 200 and the swivelling pipe 420 that is connected with vertical mode with stationary pipes 410.Described swivelling pipe 420 comprises connecting elements 430 that is directly connected to stationary pipes 410 and the introduction member 450 that has inlet 440 and 441, introduces methanol solution through these inlets.
[55] with reference to Figure 4 and 5, it is the exploded perspective view of playpipe 400, and playpipe 400 is assembled with such structure: wherein stationary pipes 410 is inserted in the swivelling pipe 420; Particularly, the link 470 of stationary pipes 410 is inserted in the cylindrical end 460 of connecting elements 430 of swivelling pipe 420.Must rotate stationary pipes 410 when time in the connecting elements 430 that stationary pipes 410 is inserted into swivelling pipe 420.Therefore, as shown in Figure 7, stationary pipes 410 comprises protuberance 472 and tapered portion 473, and connecting elements 430 comprises corresponding to the protuberance 472 of stationary pipes 410 and the stairstepping portion 437 of tapered portion 473.Form connecting elements 430 stairstepping portion 437 so that this stairstepping portion 437 extend internally.In addition, link 470 is equipped with a plurality of open-works 471, is connected with the tubular member 480 of connecting elements 430 through described open-work 471 links 470.
[56] with reference to figure 4 and 6, inlet 440 and 441 is configured in the opposite end of introduction member 450 respectively.Adorned openable lid 490 at inlet respectively on 440 and 441, be used to prevent that gaseous component from 440 and 441 entering through entering the mouth.Simultaneously with reference to figure 2, for example, when fluid slot 100 when the x direction of principal axis tilts, the inlet 440 that an adjacent side surface 203 disposes is arranged in methanol solution, and is exposed to gaseous component at the inlet 441 of another side.At this moment, inlet 441 is closed by lid 490, and the result has just stoped gaseous component through entering the mouth 441 enter.In addition, inlet 440 and 441 is constructed to inclined cutout structure 442, wherein enter the mouth 440 and 441 be downward convergent all be arranged in methanol solution with box lunch inlet 440 and 441 time prevent to enter the mouth and 440 and 441 closed fully by corresponding lid 490.In addition, lid 490 is connected on the inlet 440 and 441 with hinge- type structure 491 and 440 and 441 can easily opens and closes so that enter the mouth.
[57] with reference to figure 2 and 4, when fluid slot 100 when the y direction of principal axis tilts, swivelling pipe 420, particularly, around stationary pipes 410 rotation, the inlet 440 and 441 of introduction member 450 is arranged in methanol solution to connecting elements 430 constantly as a result at the y direction of principal axis.
[58] because the structure of introduction member 450, inlet 440 and 441 points to side surface 203 of cell bodies 200 and another side surface 204 of cell body 200 continuously.Therefore, even the direction that can not rotate at swivelling pipe 420 when fluid slot 100, when promptly the x direction of principal axis tilted, inlet 440 also was a side surface 203 that points to cell body 200 continuously, 440 was arranged in methanol solution so enter the mouth.
[59] Fig. 8 explains the partial assembled stereogram be arranged in according to the playpipe of the fluid slot of second preferred implementation of the present invention, and Fig. 9 is the connecting elements of playpipe of key-drawing 8 and the partial enlarged drawing of the connection between the introduction member.
[60] with reference to these accompanying drawings, playpipe 500 is constructed to be similar to the structure of playpipe shown in Figure 4 400.Particularly, the connecting elements 530 and the feed pipe 550 of swivelling pipe 520 are connected to each other with such structure, and wherein the cylindrical end 560 with introduction member 550 is inserted in the link 570 of connecting elements 530 in the mode identical with the connection between the connecting elements 430 with the stationary pipes 410 of playpipe 400.
[61] connection between the structure of the inlet 540 of the structure of the link 570 of connecting elements 530, introduction member 550 and stationary pipes 510 and the connecting elements 530 is identical with in the aforementioned embodiments of describing with reference to figure 4 of the present invention those, therefore, will not provide its detailed description.
[62] Figure 10 explains the exploded perspective view be arranged in according to the playpipe of the fluid slot of the 3rd preferred implementation of the present invention, and Figure 11 is the stationary pipes of playpipe of Figure 10 and typical case's diagram of the connection between the swivelling pipe.
[63] with reference to these accompanying drawings, playpipe 600 comprises stationary pipes 610 that has convex link 670 and the swivelling pipe 620 that has hollow ball shape end 660, and it is configured to such structure: wherein link 670 can rotate freely when being inserted into link 670 in the hollow ball shape end 660.
[64] stationary pipes 610 is equipped with open-work 671, its through stationary pipes 610 stationary pipes 610 vertically on extend.The spheric end 660 of swivelling pipe 620 is configured to hollow-core construction.Spheric end 660 is made by elastomeric material.Spheric end 660 is equipped with connecting hole 662 on one side at it, and the internal diameter of this connecting hole 662 is less than the external diameter of the link 670 of stationary pipes 610.Therefore, the connection between stationary pipes 610 and the swivelling pipe 620 can easily realize by link 670 firmly is inserted in the connecting hole 662.When stationary pipes 610 was connected with swivelling pipe 620, the link 670 of stationary pipes 610 can rotate freely in the connecting hole 662 of swivelling pipe 620.
[65] owing to the weight of swivelling pipe 620, swivelling pipe 620 points to gravity directions continuously.Therefore, the inlet 630 of swivelling pipe 620 is arranged in methanol solution, so do not need other openable lid.
[66] though disclose preferred implementation of the present invention for purpose of explanation, but it will be appreciated by those skilled in the art that, under situation about not departing from, can carry out various improvement, expansion and alternative as disclosed scope of the present invention and essence in appended claims.
Industrial applicibility
[67] from the above description can obviously be found out, even the fluid slot for fuel cell according to the present invention tilts or also has the unreacted methanol gas that effective recycling discharges from fuel cell and the effect of finishing normal operating during upset when fluid slot.
Claims (16)
1, a kind of fluid slot that is used for fuel cell as the water controller system,
Wherein, described fluid slot comprises cell body, and this cell body defines an inner space that is used to receive liquid phase component and gaseous component, discharging carbon dioxide of gaseous component and air and to fuel cell pack supply liquid phase component, and
Wherein said cell body is constructed to dual structure, wherein case in the sealed type is placed the sealed type outer container, make in the space that is limited between the sealed type case and be full of water, described cell body disposes one or more gas-liquid separation membrane respectively on the one side surface on described outer container and interior case, and described cell body is disposing one or more gas-liquid separation membrane respectively on described outer container and the interior case on its opposite side surface, thus when described gaseous component from the inner space of cell body when discharge the outside, this gaseous component is through being filled in the water in the space that limits between case and the outer container in described.
2, fluid slot according to claim 1 wherein, is formed on outer container and the interior case described gas-liquid separation membrane so that described gas-liquid separation membrane is spatially separated from one another.
3, fluid slot according to claim 1 wherein, has been formed on described gas-liquid separation membrane with the configuration of described cell body on the vertical surface of a side surface of cathode-side feed pipe and anode side feed pipe.
4, fluid slot according to claim 1, wherein, described cell body disposes opening and close mouth is used to circulate or exchange the water that is filled in the space that limits between described interior case and the outer container.
5, fluid slot according to claim 1, wherein, described fluid slot further comprises the pipe (playpipe) that is used for to fuel cell pack supply liquid phase component, and
Wherein said playpipe comprises stationary pipes of passing described cell body and the swivelling pipe that is connected with the inside end of stationary pipes, described swivelling pipe rotatably is connected with stationary pipes so that when described fluid slot is moved, and the inlet of described swivelling pipe points to the lowermost portion of fluid slot owing to action of gravity.
6, fluid slot according to claim 5, wherein, described swivelling pipe comprises connecting elements and introduction member, described connecting elements be rotatably connected with described stationary pipes so that this connecting elements perpendicular to described stationary pipes, described introduction member vertically is connected to this connecting elements so that described introduction member is connected with this connecting elements, and described introduction member has at its terminal inlet that forms.
7, fluid slot according to claim 6, wherein, described stationary pipes disposes a plurality of open-works at its link, described open-work is along the circumference configuration of this link, and described connecting elements comprises the cylindrical end and the vertical tubular member that is connected to this cylindrical end that is connected with the link of stationary pipes, and this tubular member is connected with cylindrical end.
8, fluid slot according to claim 6, wherein, described introduction member is the cylindrical element parallel with described stationary pipes so that described connecting elements is connected with introduction member in the centre of introduction member, and described introduction member disposes inlet respectively at its relative two ends, and openable lid is housed on described inlet.
9, fluid slot according to claim 8, wherein, described inlet is configured to inclined cutout structure, and described lid is hinged on the inclined cutout ends of this inlet.
10, fluid slot according to claim 5, wherein, described swivelling pipe comprises connecting elements and introduction member, described connecting elements be rotatably connected with described stationary pipes so that this connecting elements perpendicular to described stationary pipes, described introduction member be rotatably coupled to this connecting elements so that described introduction member perpendicular to this connecting elements, described introduction member disposes inlet at an one end.
11, fluid slot according to claim 10,
Wherein, described stationary pipes disposes a plurality of open-works at its link, described open-work is along the circumference setting of the link of this stationary pipes, and described connecting elements disposes a plurality of open-works at its link, described open-work is along the circumference configuration of the link of this connecting elements, and wherein, described connecting elements has the end corresponding to the link of stationary pipes, the end of this connecting elements is configured to cylindrical structural, and described introduction member has the end corresponding to the link of connecting elements, and the end of this introduction member is configured to cylindrical structural.
12, fluid slot according to claim 11 wherein, is configured to inclined cutout structure at the inlet of one of described introduction member terminal configuration, and lid is hinged on the inclined cutout ends of this inlet.
13, fluid slot according to claim 5, wherein, the link of described stationary pipes is configured to have the projective structure of relatively large diameter, and is configured to following this structure corresponding to the end of the swivelling pipe of the link of described stationary pipes: the protrusion link of wherein said stationary pipes can rotate the associated end of simultaneously the protrusion link of described stationary pipes firmly being inserted swivelling pipe.
14, fluid slot according to claim 13, wherein, the link of described stationary pipes or stationary pipes is made by elastomeric material.
15, a kind of fuel cell, it comprise as the water controller system according to each described fluid slot in the claim 1～14.
16, fuel cell according to claim 15, wherein, described fuel cell is a direct methanol fuel cell.
Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020060047888 | 2006-05-29 | ||
| KR1020060047889 | 2006-05-29 | ||
| KR1020060047889A KR100842228B1 (en) | 2006-05-29 | 2006-05-29 | Fluid Control System for Fuel Cell |
| KR10-2006-0047889 | 2006-05-29 | ||
| KR10-2006-0047888 | 2006-05-29 | ||
| KR1020060047888A KR100842229B1 (en) | 2006-05-29 | 2006-05-29 | Fluid Tank for Fuel Cell |
| PCT/KR2007/001789 WO2007139281A1 (en) | 2006-05-29 | 2007-04-12 | Fluid tank for fuel cell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101461080A true CN101461080A (en) | 2009-06-17 |
| CN101461080B CN101461080B (en) | 2012-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007800201009A Active CN101461080B (en) | 2006-05-29 | 2007-04-12 | Fluid tank for fuel cell |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR100842228B1 (en) |
| CN (1) | CN101461080B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109701757A (en) * | 2018-12-28 | 2019-05-03 | 中科军联（张家港）新能源科技有限公司 | A kind of gas-liquid separating method and separator for direct liquid feed fuel cell |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100823205B1 (en) * | 2007-05-18 | 2008-04-18 | 주식회사 프로파워 | Dilluted fuel mixing tank for direct methanol fuel cell |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1234186C (en) * | 2002-08-19 | 2005-12-28 | 乐金电子(天津)电器有限公司 | Fuel supply device of fuel cell system |
| JP2004105916A (en) | 2002-09-20 | 2004-04-08 | Calsonic Kansei Corp | Mixer for different fluids |
| KR100552612B1 (en) * | 2002-11-22 | 2006-02-20 | 가부시끼가이샤 도시바 | A mixing tank and a system for fuel cell |
| US6890410B2 (en) | 2002-12-10 | 2005-05-10 | John T. Sullivan | Apparatus for converting a fluid into at least two gasses through electrolysis |
-
2006
- 2006-05-29 KR KR1020060047889A patent/KR100842228B1/en active IP Right Grant
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- 2007-04-12 CN CN2007800201009A patent/CN101461080B/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109701757A (en) * | 2018-12-28 | 2019-05-03 | 中科军联（张家港）新能源科技有限公司 | A kind of gas-liquid separating method and separator for direct liquid feed fuel cell |
Also Published As
| Publication number | Publication date |
|---|---|
| KR100842228B1 (en) | 2008-06-30 |
| CN101461080B (en) | 2012-01-25 |
| KR20070114407A (en) | 2007-12-04 |
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