CN101431156B - Passive miniature direct liquid fuel battery - Google Patents
Passive miniature direct liquid fuel battery Download PDFInfo
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- CN101431156B CN101431156B CN2008102297731A CN200810229773A CN101431156B CN 101431156 B CN101431156 B CN 101431156B CN 2008102297731 A CN2008102297731 A CN 2008102297731A CN 200810229773 A CN200810229773 A CN 200810229773A CN 101431156 B CN101431156 B CN 101431156B
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- liquid storage
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- 239000000446 fuel Substances 0.000 title claims abstract description 83
- 239000007788 liquid Substances 0.000 title claims abstract description 83
- 239000012530 fluid Substances 0.000 claims abstract description 53
- 238000003860 storage Methods 0.000 claims abstract description 51
- 238000007789 sealing Methods 0.000 claims description 19
- 239000012528 membrane Substances 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 9
- 238000000926 separation method Methods 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000000565 sealant Substances 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 239000000203 mixture Substances 0.000 description 26
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 15
- 238000006243 chemical reaction Methods 0.000 description 10
- 230000032258 transport Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 238000006555 catalytic reaction Methods 0.000 description 5
- 238000009792 diffusion process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000000376 reactant Substances 0.000 description 3
- 238000006722 reduction reaction Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- IDGUHHHQCWSQLU-UHFFFAOYSA-N ethanol;hydrate Chemical compound O.CCO IDGUHHHQCWSQLU-UHFFFAOYSA-N 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000003698 laser cutting Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 230000036647 reaction Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Landscapes
- Fuel Cell (AREA)
Abstract
The invention relates to a passive micro-direct liquid fuel cell which belongs to the field of direct liquid fuel cells, in particular to a passive micro-fuel cell device. The passive micro-fuel cell device is composed of three parts of a liquid storage component, a fuel cell power generating unit and a feed pool. The fuel cell power generating unit is formed by using two end plates to tightly clamp and package a three-in-one component of a flow field plate, a current collecting plate and a film electrode, wherein, a positive electrode flow field plate adopts a combined flow field plate structure, the combined flow field plate structure can adopt a parallel flow field plate or adopt a serpentine flow field plate or adopt an interdigital flow field plate or adopt a spiral flow field plate to be combined with a fluid channel plate and a seal plate. The processing technology is simple, and the ordered transportation and the management of fuel and products thereof can be realized. The fuel cell has simple and compact overall structure, can reduce the complexity of the whole system and leads the further miniaturization of the system to have more advantages.
Description
Technical field
The invention belongs to direct fuel liquid battery field, relate in particular to the passive miniature fuel-cell device.
Background technology
Fuel cell is a kind of clean energy resource that directly chemical energy is converted into electric energy.Mainly (Membrane Electrode Assembly MEA) forms with flow-field plate by membrane electrode assembly for it.MEA is made up of the anode and the negative electrode of proton exchange membrane and both sides, and anode and negative electrode are made up of the diffusion layer and the catalytic reaction layer of loose structure respectively.Flow-field plate plays collected current and uniform distribution reactant in fuel cell, towards MEA one side evaporation or the sputter last layer is corrosion-resistant, the metal level of good conductivity or directly adopt the flow-field plate of metal material (being generally stainless steel or titanium), be used for collecting the electronics that electrochemical reaction process discharges; Little raceway groove of processing on it is used to form the distribution passage of reactant simultaneously.
Directly fuel liquid battery is that a kind of direct employing liquid fuel is as the electrochemical cell of supplying with anode fuel.It is efficient with it, environmental friendliness, can the density height, simple in structure and fuel storage, carry and advantage such as convenient management, have a wide range of applications in fields such as portable type electronic product and MEMS (micro electro mechanical system).(Direct Methanol Fuel Cell DMFC) is example, and its operation principle is: the first alcohol and water infiltrates to Catalytic Layer by the anode porous diffusion layer, and oxidation reaction takes place, and generates carbon dioxide, proton and electronics with direct methanol fuel cell; Proton passes proton exchange membrane and migrates to cathode catalysis layer under electric field action, with the oxygen generation reduction reaction that diffuses to cathode catalysis layer, generate water; Electronics then enters negative electrode by external circuit, and drives loaded work piece.This shows that fuel cell need be supplied with fresh methanol solution and oxygen (or air) continuously and in time discharge product and could continue generating.Thereby the ordering of fuel-cell fuel and product transports and manages overall fuel cell output performance important influence.
As the optimization power supply of portable set, the microminiaturization of fuel cell becomes its development trend, but along with the reduction of required power output, relies on auxiliary fluid transport system fully and finish sending to of anode methanol aqueous solution and CO
2The active handling of goods and materials of the discharge of bubble has not been suitable for micro fuel cell, and this is because the power output of micro fuel cell can not satisfy the requirement of fluid transport.Therefore, realize cell reaction thing and product thereof transported and manage the development trend that becomes the micro fuel cell handling of goods and materials by specific inherent or external active force in the fuel cell.Document (Morse J, Jankowski A.A MEMS-based fuel cellfor micro scale energy conversion.Report of Lawrence Livermore NationalLaboratory (LLNL), US.Department of Energy, UCRL-ID-147074, February 1,2002) proposed a kind of fuel cell in, coupled together with the liquid storage tank of specific porous material with water and fuel based on the MEMS technology.The selection permeability that porous material forms because of the capillarity difference different liquids for fuel transport and management provides actuating force, but the conveying capacity of fuel is difficult to fuel cell actual demand variation and make response fast.U.S. Pat 6,127,058 adopts the anode of micro fuel cell directly to be immersed in the solution of tanks, and the gas that reaction generates then directly is discharged to outside the tanks by the vent valve on the tanks.Under this fuel cell management pattern, anode flow field is directly open towards tanks, and the randomness of bubble generation and eliminating greatly influences the stability of fuel mass transport process in the fuel cell reaction process.
Summary of the invention
The technical barrier that the present invention will solve is the defective that overcomes prior art, under the prerequisite of structural complexity that does not increase system as far as possible and power consumption penalty, the ordering that realizes fuel and product transports and manages, make the further microminiaturization of system have more advantage, the handling of goods and materials that also transports mechanism for research fuel cell gas-liquid and solve zero-power better provides condition.The miniature direct liquid fuel battery that the present invention proposes adopts the passive type material to transport and thoughts of management, and the passage of fuel supply and the passing away of product are separated, and has realized the ordering of fuel cell reactant and product thereof is transported and manages.
The technical solution used in the present invention is: a kind of passive miniature direct liquid fuel battery, it is made up of liquid storage assembly, fuel-cell generation unit and charging pond three parts, it is characterized in that: fuel-cell generation unit has adopted the mix flow field plate structure, the mix flow field plate structure is combined by flow-field plate 5, fluid passage plate 6 and sealing plate 7 three parts, fluid passage plate 6 is installed between flow-field plate 5 and the sealing plate 7, and they put bolt 17 by 4 and top nut 16 tightens together; The fluid intake k of mix flow field plate structure communicates with the feed cavity b in charging pond 13, and fluid issuing j communicates with the liquid storage cylinder a of liquid storage tank 3, and the outlet j of mix flow field plate is positioned at more than the liquid level of liquid storage cylinder a; Fuel-cell generation unit comprises anode end plate 4, mix flow field plate structure, anode current collector plate 8, thickness coupling frame 9, three-in-one membrane electrode assembly 10, cathode collector plate 11 and cathode end plate 12; Fuel-cell generation unit is from left to right installed successively according to the order of: anode end plate 4, mix flow field plate structure, anode current collector plate 8, thickness coupling frame 9, three-in-one membrane electrode assembly 10, cathode collector plate 11 and cathode end plate 12, tightens together by 8 cover bolts 14 and nut 15; The liquid storage assembly comprises cover plate 1, gas-liquid separation membrane 2 and liquid storage tank 3, gas-liquid separation membrane 2 is bonded in the middle of cover plate 1 and the liquid storage tank 3 by fluid sealant, the liquid storage assembly is sleeved on anode end plate 4 tops of fuel-cell generation unit by the square hole of liquid storage tank 3 bottoms, the fluid intake k of mix flow field plate structure is arranged in liquid storage cylinder a, and 2 roof hole f of liquid storage tank 3 communicate with the feed cavity b in charging pond 13 by the fluid passage holes e of anode end plate 4 both sides of fuel-cell generation unit; Charging pond 13 is sleeved on anode end plate 4 bottoms of fuel-cell generation unit, and the fluid issuing j of mix flow field plate structure is arranged in feed cavity b, and the inlet bottom plate hole d in charging pond 13 communicates with the liquid storage cylinder a of liquid storage assembly by the fluid passage holes e of anode end plate 4.
A kind of passive miniature direct liquid fuel battery, the feature of its fuel-cell generation unit is, mix flow field plate structure employing concurrent flow field plate 5 ', the fluid passage plate 6 in multichannel flow field ' combine with sealing plate 7 ' three parts, or employing serpentine flow field plate 5 "; " and sealing plate 7 ' three parts combine the fluid passage plate 6 in single channel flow field, or adopt interdigital flow-field plate 5 " '; the fluid passage plate 6 in single channel flow field " and sealing plate 7 ' three parts combine, or adopt spiral flow field plate 5 " ", " and sealing plate 7 ' three parts combine the fluid passage plate 6 in single channel flow field.
A kind of passive miniature direct liquid fuel battery, the feature of its fuel-cell generation unit are that the material of mix flow field plate is metal or polymeric material.
Remarkable result of the present invention is cell integrated simple and compact for structure, and easy operating is easy to carry, has reduced the complexity of whole system, makes the further microminiaturization of system have more advantage; Realized the ordering of fuel and product thereof is transported and manages.
Description of drawings
Fig. 1 is the front view of passive miniature direct liquid fuel battery, Fig. 2 is the vertical view of Fig. 1, Fig. 3 is the left view of Fig. 1, Fig. 4 is the B-B cutaway view of Fig. 2, Fig. 5 is the C-C cutaway view of Fig. 2, Fig. 6 is the front view of concurrent flow field plate, Fig. 7 is the front view of the fluid passage plate in multichannel flow field, Fig. 8 be sealing plate front view, Fig. 9 is the front view of serpentine flow field plate, Figure 10 is the front view of the fluid passage plate in single channel flow field, and Figure 11 is the front view of interdigital flow-field plate, and Figure 12 is the front view of spiral flow field plate.Wherein: 1-cover plate, 2-gas-liquid separation membrane, 3-liquid storage tank, 4-anode end plate, the 5-flow-field plate, 6-fluid passage plate, 7-sealing plate, 8-anode current collector plate, 9-thickness coupling frame, 10-three-in-one membrane electrode assembly, 11-cathode collector plate, 12-cathode end plate, 13-charging pond, 14-bolt, 15-nut, 16-top nut, the last bolt of 17-, 5 '-the concurrent flow field plate, 6 '-the fluid passage plate in multichannel flow field, 7 '-sealing plate, 5 " serpentine flow field plate, 6 " the fluid passage plate in single channel flow field, 5 " '-interdigital flow-field plate; 5 " " spiral flow field plate, a-liquid storage cylinder, b-feed cavity; c-gas spiracle, d-bottom plate hole, e-fluid passage holes; f-roof hole, g-cathode end plate spiracle, h-cathode collector plate spiracle; i-anode current collector plate spiracle, j-fluid issuing, k-fluid intake; l-waist shape raceway groove, m-parallel flow field, the last parallel channel of n-; parallel channel under the o-, p-outlet opening, q-serpentine flow, the last single raceway groove of r-, the s-raceway groove that places an order, p '-outlet opening, p " outlet opening, the interdigital flow field of t-, u-spiral flow field.
Embodiment
Describe enforcement of the present invention in detail below in conjunction with technical scheme and accompanying drawing.Shown in accompanying drawing 1,2,3,4,5, before the operation of fuel cells, the fuel of fuel liquid battery is added among the liquid storage cylinder a of liquid storage assembly, and guarantee that the level of fuel of liquid storage cylinder a is lower than the outlet of mix flow field plate slightly.Because liquid storage assembly, charging pond 13 and mix flow field plate structure are communicated with, so also are full of fuel in charging pond 13 and the mix flow field plate structure.When the anode current collector plate 8 of fuel cell and 11 liang of termination loads of cathode collector plate, fuel cell electric discharge work.Fuel in the mix flow field plate (methanol aqueous solution or ethanol water) infiltrates to Catalytic Layer by the anode porous diffusion layer, and oxidation reaction takes place, and generates carbon dioxide, proton and electronics; Proton passes proton exchange membrane and migrates to cathode catalysis layer under electric field action, with the oxygen generation reduction reaction that diffuses to cathode catalysis layer, generate water; Electronics then enters negative electrode by external circuit, and drives loaded work piece.The CO that anode reaction generates
2Bubble and not the liquid of complete reaction under the effect of buoyancy and capillary force, enter among the liquid storage cylinder a of liquid storage assembly CO by the mix flow field plate
2Gas enters in the atmosphere by the gas-liquid separation membrane in the liquid storage assembly 2.Along with the consumption of fuel, the fuel among the liquid storage cylinder a is under the effect of gravity, and the fluid passage holes e of anode end plate 4 both sides by fuel-cell generation unit enters in charging pond 13 and the mix flow field plate structure; The fluid issuing j of mix flow field plate structure is higher than level of fuel, has guaranteed that fuel can not blow back into charging pond 13 from fluid issuing j because of action of gravity.Charging pond 13 is used for interim storage of fuels, and offers the fuel that fuel cell does not contain bubble.Realized generating the continuous circulation that gas is discharged and liquid fuel replenishes, and this process need not manual adjustment.After the fuel consumption in the liquid storage assembly is intact, cover plate 1 can be taken off, add new fuel.
Transparent PMMA sheet material is all adopted in cover plate 1, liquid storage tank 3, anode end plate 4, mix flow field plate structure, cathode end plate 12 and charging pond 13, processes by laser cutting machine.Can process scale on the liquid storage tank 3, be convenient to study quantitatively the relation of liquid fuel consumption and battery performance.
The mix flow field plate structure shown in accompanying drawing 6,7,8, it by concurrent flow field plate 5 ', the fluid passage plate 6 in multichannel flow field ' and sealing plate 7 ' form.Concurrent flow field plate 5 ' parallel flow field enter the anode diffusion layer of three-in-one membrane electrode assembly 10 by anode current collector plate 8, play the effect of mean allocation fuel; The waist shape raceway groove 1 at its top is the fluid passage outlet of mix flow field plate structure, and goes out the top that open height is positioned at liquid storage cylinder a level of fuel, to guarantee that fuel can not flow backwards.The following parallel channel o of the plate 6 ' bottom, fluid passage in multichannel flow field communicates with feed cavity b, is the fluid passage inlet of mix flow field plate; The last parallel channel n at its top and concurrent flow field plate 5 ' waist shape raceway groove 1 communicate.Sealing plate 7 ' be used for the seal combination flow-field plate can only communicate the fluid in the mix flow field plate structure with fuel-cell generation unit, charging pond 13 and liquid storage tank 3.In the work, the following parallel channel o of liquid fuel plate 6 ' bottom, fluid passage by the multichannel flow field under the effect of gravity enters the parallel flow field m of concurrent flow field plate from charging pond 13, the gas that reaction generates and not fluid passage plate 6 by concurrent flow field plate 5 ' enter multichannel flow field of the liquid fuel of complete reaction ' outlet, pass through then concurrent flow field plate 5 ' waist shape raceway groove 1 enter the liquid storage cylinder a of liquid storage tank 3.
The mix flow field plate structure also can adopt the serpentine flow structure, shown in accompanying drawing 9,10.It is by the serpentine flow field plate 5 fluid passage plate 6 of single channel flow field ", " and sealing plate 7 ' form.Serpentine flow field plate 5 " serpentine flow enter the anode diffusion layer of three-in-one membrane electrode assembly 10 by anode current collector plate 8, play the effect of mean allocation fuel; The outlet opening p in its upper right corner is the fluid passage outlet of mix flow field plate, and goes out open height and be arranged in liquid storage cylinder a level of fuel top to guarantee that fuel can not flow backwards." raceway groove s's fluid passage plate 6 in single channel flow field that places an order of bottom communicates with feed cavity b, is the fluid passage inlet of mix flow field plate; The last single raceway groove r and the serpentine flow field plate 5 at its top " outlet opening p communicate.Sealing plate 7 ' be used for the seal combination flow-field plate can only communicate the fluid in the mix flow field plate with fuel-cell generation unit, charging pond 13 and liquid storage tank 3.In the work, liquid fuel is the fluid passage plate 6 by the single channel flow field under the effect of gravity " the raceway groove s that places an order of bottom enters the serpentine flow q of serpentine flow field plate from charging pond 13; gas that reaction generates and not the liquid fuel of complete reaction pass through serpentine flow field plate 5 then by the outlet that serpentine flow field plate 5 " enters the fluid passage plate 6 in single channel flow field " " outlet opening p enter the liquid storage cylinder a of liquid storage tank 3.
In addition, also can adopt interdigital flow-field plate 5 in the accompanying drawing 11 " ' or accompanying drawing 12 in spiral flow field plate 5 " " replacing serpentine flow field plate 5 ".Except that the execution mode of the above, the path of fuel also can connect the fluid passage holes e that liquid storage tank 3 and charging pond 13 replace anode end plate 4 both sides by exterior line.
The present invention has realized the directed flow of fuel and product thereof, and a kind of passive miniature direct liquid fuel battery that fuel and product thereof transport and manage that includes is provided.
Claims (3)
1. passive miniature direct liquid fuel battery, it is made up of liquid storage assembly, fuel-cell generation unit and charging pond three parts, it is characterized in that: fuel-cell generation unit has adopted the mix flow field plate structure, the mix flow field plate structure is combined by flow-field plate (5), fluid passage plate (6) and sealing plate (7) three parts, fluid passage plate (6) is installed between flow-field plate (5) and the sealing plate (7), and they put bolt (17) by 4 and top nut (16) tightens together; The fluid intake of mix flow field plate structure (k) communicates with the feed cavity (b) of charging pond (13), and fluid issuing (j) communicates with the liquid storage cylinder (a) of liquid storage tank (3), and the outlet of mix flow field plate (j) is positioned at more than the liquid level of liquid storage cylinder (a); Fuel-cell generation unit comprises anode end plate (4), mix flow field plate structure, anode current collector plate (8), thickness coupling frame (9), three-in-one membrane electrode assembly (10), cathode collector plate (11) and cathode end plate (12); Fuel-cell generation unit is from left to right installed successively according to the order of: anode end plate (4), mix flow field plate structure, anode current collector plate (8), thickness coupling frame (9), three-in-one membrane electrode assembly (10), cathode collector plate (11) and cathode end plate (12), overlaps bolts (14) and nut (15) tightens together by 8; The liquid storage assembly comprises cover plate (1), gas-liquid separation membrane (2) and liquid storage tank (3), gas-liquid separation membrane (2) is bonded in the middle of cover plate (1) and the liquid storage tank (3) by fluid sealant, the square hole of liquid storage assembly bottom liquid storage tank (3) is sleeved on anode end plate (4) top of fuel-cell generation unit, and 2 roof holes (f) of liquid storage tank (3) communicate with the feed cavity (b) of charging pond (13) by the fluid passage holes (e) of anode end plate (4) both sides of fuel-cell generation unit; Charging pond (13) is sleeved on anode end plate (4) bottom of fuel-cell generation unit, and the inlet bottom plate hole (d) of charging pond (13) communicates with the liquid storage cylinder (a) of liquid storage assembly by the fluid passage holes (e) of anode end plate (4).
2. a kind of passive miniature direct liquid fuel battery as claimed in claim 1, the feature of its fuel-cell generation unit is, the mix flow field plate structure adopts concurrent flow field plate (5 '), the fluid passage plate (6) in multichannel flow field and sealing plate (7 ') three parts combine, or employing serpentine flow field plate (5 "); (6 ") and sealing plate (7 ') three parts combine the fluid passage plate in single channel flow field, or adopt interdigital flow-field plate (5 " '); the fluid passage plate in single channel flow field (6 ") and sealing plate (7 ') three parts combine, or adopt spiral flow field plate (5 " "), (6 ") and sealing plate (7 ') three parts combine the fluid passage plate in single channel flow field.
3. a kind of passive miniature direct liquid fuel battery as claimed in claim 1 or 2, the feature of its fuel-cell generation unit are that the material of mix flow field plate structure is metal or polymeric material.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008102297731A CN101431156B (en) | 2008-12-12 | 2008-12-12 | Passive miniature direct liquid fuel battery |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008102297731A CN101431156B (en) | 2008-12-12 | 2008-12-12 | Passive miniature direct liquid fuel battery |
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| CN101431156B true CN101431156B (en) | 2010-06-02 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104347888B (en) * | 2014-10-15 | 2016-08-24 | 北京氢璞创能科技有限公司 | Water-cooled proton exchange film fuel cell electric piling and water-cooled Proton Exchange Membrane Fuel Cells |
| CN104360271B (en) * | 2014-10-24 | 2017-08-15 | 沈阳建筑大学 | Flow-field plate and method of testing for the different flow field fuel cells of an assembling test |
| CN105390720B (en) * | 2015-11-16 | 2017-11-07 | 南京航空航天大学 | A kind of passive direct methanol fuel cell fed using dense methanol and its material reaction method |
| CN111193044B (en) * | 2019-10-31 | 2021-05-18 | 清华大学 | Passive liquid fuel cell |
| CN111416141B (en) * | 2020-04-03 | 2021-10-19 | 内蒙古工业大学 | Molten hydroxide direct carbon fuel cell and power generation device including the same |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1702898A (en) * | 2004-05-24 | 2005-11-30 | 胜光科技股份有限公司 | Feeding control structure of fuel cell |
| CN101276922A (en) * | 2007-03-26 | 2008-10-01 | 株式会社东芝 | Fuel cell |
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2008
- 2008-12-12 CN CN2008102297731A patent/CN101431156B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1702898A (en) * | 2004-05-24 | 2005-11-30 | 胜光科技股份有限公司 | Feeding control structure of fuel cell |
| CN101276922A (en) * | 2007-03-26 | 2008-10-01 | 株式会社东芝 | Fuel cell |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2004-363114A 2004.12.24 |
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