CN1591946A - Air self-breathing type micro-direct alcohol fuel cell structure and making method - Google Patents
Air self-breathing type micro-direct alcohol fuel cell structure and making method Download PDFInfo
- Publication number
- CN1591946A CN1591946A CNA031557937A CN03155793A CN1591946A CN 1591946 A CN1591946 A CN 1591946A CN A031557937 A CNA031557937 A CN A031557937A CN 03155793 A CN03155793 A CN 03155793A CN 1591946 A CN1591946 A CN 1591946A
- Authority
- CN
- China
- Prior art keywords
- membrane electrode
- electrode
- membrane
- currect collecting
- collecting net
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Fuel Cell (AREA)
- Hybrid Cells (AREA)
Abstract
This invention relates to a structure of a direct alcohol fuel battery and its manufacturing method. It is composed of baffle plates, sealing pieces, end plates and bolt devices characterizing that the sealing pieces are set at both sides of the baffle plate, a membrane pole is at the outside of the sealing pieces, the end plate is out of the membrane pole and the bolt device is set around the end plate. This invention makes one end of the flow collector net to completely contact with the anode of a single cell, the other is contacted with cathode of an adjacent single cell to hot-press the membrane with the flow collector anode, cathode and electrolyte to form a membrane pole so as to get a battery set.
Description
Technical field
The present invention relates to fuel cell technology, particularly a kind of structure of direct alcohol fuel battery and manufacture method.
Background technology
In recent years, the fast development of portable electronic product, but the various battery prices that exist on the market at present are expensive, energy density is lower, useful life is shorter, but also exist various waste treatment problems.Therefore, power is urgent to several hectowatts, high-energy-density, long service life, free of contamination portable power source demand at several watts.
Fuel cell is a kind of electrochemical reaction appts that the chemical energy of fuel and oxidant is directly changed into electric energy.Because when generating is pollution-free, noiselessness, energy conversion efficiency height, long service life, therefore has a wide range of applications in fields such as national defence communication, space traffic, portable power sources.
Directly alcohol fuel battery is because energy density height, aboundresources, battery system is simple, preparation cost is cheap, especially normal temperature air self-respiration type minitype direct alcohols fuel battery, under the normal temperature without any need for auxiliary equipment, the energy conversion efficiency height is having broad application prospects aspect the portable portable power source.
Directly alcohol fuel battery is to be fuel with organic molecule liquid such as methyl alcohol, ethanol, ethylene glycol, ether, formic acid, and oxygen (perhaps air) be oxidant, and is electrochemical by taking place on electrode
Following document has been introduced several air-breathing Direct Methanol Fuel Cell that adopting:
United States Patent (USP) 1[US 6596422] introduced a kind of air-breathing Direct Methanol Fuel Cell.The anode of two monocell membrane electrodes (MEA) is staggered relatively, between two anodes, form cavity, inject methanol solution; Two negative electrodes are outside, are exposed in the air, add fixedly whole system of end plate.But its structure only is applicable to two monocells, and electric current is difficult for drawing.
United States Patent (USP) 2[US 6497975] introduced a kind of direct methanol fuel cell that has micropump and methanol sensor.It adopts micropump to carry out the recycle feed of anode methanol solution, and wherein the micropump required drive is provided by direct methanol fuel cell self.Negative electrode then directly contacts with air, utilizes freely to spread to make oxygen that reduction reaction take place thereon, thus generating.Though its negative electrode is directly to contact with air, anode then utilizes micropump to make the methanol loop charging, not only makes system increase micropump, devices such as methanol sensor, power that also can consuming cells.
Summary of the invention
The object of the present invention is to provide a kind of structure and manufacture method of novel air self-respiration type minitype direct alcohols fuel battery.The great advantage of this structure is exactly afflux and the sealing problem that has solved battery, and the connectivity problem between each monocell, effectively reduces the internal resistance of cell, improves battery performance, reduces preparation cost.
For achieving the above object, technical solution of the present invention provides a kind of air self-respiration type micro direct methanol fuel battery, form by dividing plate, seal, end plate and device for fastening, it is characterized in that, its dividing plate both sides are seal, the seal outside is the membrane electrode body, and the external side of membrane electrode is an end plate, and there is device for fastening the end plate surrounding.
Described micro direct methanol fuel battery, its membrane electrode body is made up of many single membrane electrodes and currect collecting net, the anode of the membrane electrode that these are single and negative electrode lay respectively at the both sides of membrane electrode body, currect collecting net passes the centre of two adjacent membrane electrodes, its end links to each other with the anode of a membrane electrode, the negative electrode of the membrane electrode that the other end is adjacent with this membrane electrode links to each other, and adopts a plurality of currect collecting nets to connect a plurality of membrane electrodes successively; There is the sealing frame in the outside of currect collecting net; There is through hole the surrounding of sealing frame.
Described micro direct methanol fuel battery, its described device for fastening is a nut-screw.
Described micro direct methanol fuel battery, the through hole of the through hole of its described sealing frame and dividing plate, end plate surrounding is suitable.
Described micro direct methanol fuel battery, its described currect collecting net is a wire netting.
Described micro direct methanol fuel battery, its described wire netting are platinum guaze, golden net, iron net, stainless (steel) wire, nickel screen, titanium net or the wire netting that has coating.
Described micro direct methanol fuel battery, the material of its described sealing frame are polyester, terylene, polytetrafluoroethylene.
A kind of manufacture method of air self-respiration type micro direct methanol fuel battery, it may further comprise the steps:
I) proton exchange membrane was carried out preliminary treatment before using, standby;
J) in hot press, at outermost, proton exchange membrane places middle with the electrode pendulum, and electrode is made up of diffusion layer and Catalytic Layer, and the Catalytic Layer of electrode will be towards proton exchange membrane;
K), obtain single pond membrane electrode with hot-forming;
L) by a plurality of currect collecting nets a plurality of single ponds membrane electrode is linked together, an end that is a slice currect collecting net is connected with the negative electrode of a membrane electrode, the anode of the membrane electrode that the other end is adjacent with this membrane electrode is connected, the currect collecting net that is connected with the two ends membrane electrode can directly be drawn, and all single pond membrane electrode cathodes or anode should be in the same sides; Add the sealing frame at outermost again;
M), get the battery membranes electrode body with hot-forming;
N) repeat b) c) d) e) step, get a plurality of battery membranes electrode body;
O) seal is placed the both sides of dividing plate, again gained two battery membranes electrode body are placed its two outside respectively;
P) end plate is placed two outermost after, fix with device for fastening, the fuel cell finished product.
Described manufacture method, it is in c) in the step, with b) a plurality of single pond membrane electrode assembly of gained sets in order in the step, with currect collecting net a plurality of single ponds membrane electrode is linked together, an end that is a slice currect collecting net is connected with the negative electrode of a membrane electrode, the anode of the membrane electrode that the other end is adjacent with this membrane electrode is connected, and the currect collecting net that is connected with the two ends membrane electrode can directly be drawn, and all single pond membrane electrode cathodes or anode should be in the same sides; Add the sealing frame at outermost again;
D) hot repressing moulding gets the battery membranes electrode body;
E) repeat b) c) d) e) step, get a plurality of battery membranes electrode body;
F) seal is placed the both sides of dividing plate, again gained two battery membranes electrode body are placed its two outside respectively;
G) end plate is placed two outermost after, fix with device for fastening, the fuel cell finished product.
This structure provided by the invention is applicable to Proton Exchange Membrane Fuel Cells, especially is fit to the preparation of the direct alcohol fuel battery group of room temperature self-respiration type.
Directly the alcohol fuel battery output voltage is lower under the room temperature, in direct methanol fuel cell, the theoretical electromotive force in single pond is 1.18V, but in fact the open circuit voltage in each single pond only is 0.6～0.7V, a plurality of single ponds must be together in series and could use, the battery system more complicated.Battery structure of the present invention is as follows:
The part of currect collecting net is contacted fully with the anode in a certain single pond, the negative electrode in single pond that another part then is adjacent contacts fully, anode, negative electrode and the dielectric film hot pressing that will have currect collecting net form the membrane electrode body, thereby obtain having a plurality of single ponds, and the battery pack that all connected of each single pond.Adopt the less wire netting of thickness as currect collecting net, as platinum guaze, golden net, iron net, stainless (steel) wire, nickel screen, titanium net or have the wire netting etc. of coating.
Said method not only can connect each monocell, and owing to the diffusion layer with currect collecting net and electrode directly forces together, has reduced the contact resistance between currect collecting net and the electrode, effectively raises the performance of battery.
In the compacting membrane electrode, the sealing frame can be made by materials such as various polyester, terylene.Its main effect is to be used for fixing membrane electrode, and the electric current between the bonding battery connects the sealing with material.
Effect of the present invention is:
1, adopts and innerly between battery to connect each monocell, and will seal frame and be pressed in simultaneously between the housing of electrode and the single pond on the interconnective currect collecting net.So both can when hot pressing, play the effect of fixed electrode and currect collecting net, the junction between single pond can have been sealed fully again, made that methanol solution is unlikely to leak out between Dan Chi.
2, the diffusion layer of currect collecting net and electrode is integrated, can make tightr that currect collecting net combines with electrode, has reduced contact resistance between the two, effectively raises the performance of battery.
3, seal connection between its battery with the sealing frame, effectively prevented the methanol solution seepage.
4, can be according to the different needs monocell of different numbers of connecting, and need not change its structure, the size that only changes it gets final product.
5, can select different connected modes as required for use, electric current is exported by different modes.
6, be fit to mass production.
Description of drawings
Fig. 1 is the exploded view of specific embodiments of the invention;
Fig. 2 is the sectional view of membrane electrode among Fig. 1 (MEA);
Fig. 3 is the sectional view of the structure of the direct alcohol fuel battery of air self-respiration type shown in Figure 1, and (a) (b) is two kinds of different afflux connected modes;
Fig. 4 is a concrete embodiment of the present invention, is the discharge performance curve of the air-breathing Direct Methanol Fuel Cell group formed of six batteries of 1.8cm * 2.8cm by the monocell area.
Specific implementation method
Adopt existing membrane electrode (MEA) technology of preparing, as semar technique, change elder generation such as platen press and prepare not membrane electrode (MEA), and then currect collecting net is hot-pressed onto on the surface of this membrane electrode (MEA) with currect collecting net.Also can the diffusion layer of currect collecting net and electrode is integrated, as: the diffusion layer slurries directly are applied on the currect collecting net form the diffusion layer that contains currect collecting net, can reduce the material transport resistance like this, significantly reduce the internal resistance of cell.Currect collecting net can adopt the less wire netting of thickness, all can as platinum guaze, golden net, iron net, stainless (steel) wire, nickel screen, titanium net, the wire netting etc. that has coating.
The present invention can be according to the actual requirements difference, series connection or in parallel different single pool counts only need change some corresponding design sizes, and need not to change its structure.
Be described in detail as follows:
Fig. 1 is the exploded view of specific embodiments of the invention.Dividing plate 11 both sides are seal 30, and seal 30 outsides are membrane electrode body 20, and membrane electrode body 20 outsides are end plate 10.End plate 10, dividing plate 11 adopt insulating material to make, and can be polymethyl methacrylate, acrylic board, phenolic resins, PVC plastic or other material.Its median septum 11 mainly is the anode that is used for separating two battery membranes electrode body, and forms cavity to store methyl alcohol between two anode regions; The effect of end plate 10 then is to fix battery and whole system by nut-screw all around; Membrane electrode body 20 is the membrane electrode bodies that have currect collecting net that pressed.As for the seal 30 between dividing plate 11 and the membrane electrode body 20, can adopt the mode of linear sealing or face seal, encapsulant adopts various macromolecular materials, as rubber-like, polyurethane material etc.
Fig. 2 is the sectional view of the membrane electrode body that has currect collecting net that pressed of a slice.Its membrane electrode body 20 is made up of many single membrane electrodes and currect collecting net 24, the anode 22 of the membrane electrode that these are single and negative electrode 23 lay respectively at the both sides of membrane electrode body, currect collecting net 24 passes the centre of two adjacent membrane electrodes, its end links to each other with the anode of a membrane electrode, the negative electrode of the membrane electrode that the other end is adjacent with this membrane electrode links to each other, adopt a plurality of currect collecting nets 24 to connect a plurality of membrane electrodes successively, thereby form membrane electrode body 20.Wherein 21 is proton exchange membrane, and 22 and 23 are respectively anode and negative electrode, the 24th, and currect collecting net, the 25th, sealing frame.Two anodes 22 are relative one by one with two negative electrodes 23, are divided into two groups, place proton exchange membrane 21 both sides; The anode 22 of proton exchange membrane 21 lower lefts links to each other with top-right negative electrode 23 by currect collecting net 24; Upper left negative electrode 23 links to each other with currect collecting net respectively separately with bottom-right anode 22 and draws; There is sealing frame 25 in the outside of currect collecting net 24.The main less various wire nettings of thickness that adopt of currect collecting net 24 are as platinum guaze, golden net, iron net, stainless (steel) wire, nickel screen, titanium net or have the making such as wire netting of coating.The material of sealing frame 25 can adopt materials such as various polyester, terylene, polytetrafluoroethylene.There is the suitable through hole of through hole with dividing plate 11, end plate 10 surroundings the surrounding of sealing frame 25.
Fig. 3 has described two kinds of different electric currents and has derived mode, (a) is same side current output, (b) is the output of heteropleural electric current.In figure (a), in two membrane electrode bodies electric current export as the positive pole that is that left end draws, right-hand member is drawn is negative pole.In figure (b), the left end that leads to of two membrane electrode body electric currents is drawn a positive pole and a negative pole, and right-hand member also is to draw a positive pole and a negative pole.Can be according to actual conditions and should be used for selecting suitable separately structure.
Membrane electrode preparation process of the present invention is as follows:
Anode 22 porous diffusion electrodes are made up of 100 order stainless steels braiding currect collecting net 24, supporting layer carbon paper (Toray company), regulating course carbon dust (XC-72) and Catalytic Layer ruthenium platinum (PtRu) black (JohnsonMatthey company), and ruthenium platinum (PtRu) total amount is 3.0mg/cm in the Catalytic Layer
2, Nafion content is 15Wt%.Negative electrode 23 porous diffusion electrodes are made up of 100 order stainless steels braiding currect collecting net 24, supporting layer carbon paper (Toray company), diffusion layer carbon dust (XC-72) and Catalytic Layer platinum (Pt) black (Johnson Matthey company), and the Pt total amount is 3.2mg/cm in the Catalytic Layer
2, Nafion content is 10Wt%.Experiment adopts the Nafion115 film as electrolyte.The Nafion film carried out preliminary treatment before using, to remove the organic substance and the metal ion on film surface.
Processing procedure is as follows: with the Nafion115 film of certain size successively at 3-5%H
2O
2, redistilled water, 0.5MH
2SO
4Solution was handled 1 hour in the redistilled water, and treatment temperature is 80 ℃.Nafion115 film after handling is placed in the redistilled water standby.To seal frame (terylene) 25 pendulum during hot pressing at outermost, next accompanies the electrode 22,23 of currect collecting net 24, and middle is proton exchange membrane 21, and the Catalytic Layer of electrode 22,23 will be towards proton exchange membrane 21.Can press simultaneously by disposable a plurality of monocells during hot pressing full wafer; Also can press each monocell respectively, they be set force together again, become a slice.Currect collecting net 24 passes proton exchange membrane 21 contiguous anode 22 is connected with negative electrode 23.End plate 10, membrane electrode body 20 and dividing plate 11 are fitted together, fix with screw rod and nut.
The condition of work of battery: place air, the methanol solution of 2mol/L, single-cell electrodes area are 1.8cm * 2.8cm.
The discharge performance curve of the air-breathing Direct Methanol Fuel Cell group that Fig. 4 is made up of above-mentioned six batteries.
Claims (9)
1, a kind of air self-respiration type micro direct methanol fuel battery is made up of dividing plate, seal, end plate and device for fastening, it is characterized in that, its dividing plate both sides are seal, the seal outside is the membrane electrode body, and the external side of membrane electrode is an end plate, and there is device for fastening the end plate surrounding.
2, micro direct methanol fuel battery as claimed in claim 1, it is characterized in that, its membrane electrode body is made up of a plurality of single pond membrane electrodes and multi-disc currect collecting net, the anode of the membrane electrode that these are single and negative electrode lay respectively at the both sides of proton exchange membrane, currect collecting net passes the centre of two adjacent membrane electrodes, its end links to each other with the anode of a membrane electrode, and the negative electrode of the membrane electrode that the other end is adjacent with this membrane electrode links to each other, and adopts a plurality of currect collecting nets to connect a plurality of membrane electrodes successively; There is the sealing frame in the outside of currect collecting net; There is through hole the surrounding of sealing frame.
3, micro direct methanol fuel battery as claimed in claim 1 is characterized in that, described device for fastening is a nut-screw.
4, micro direct methanol fuel battery as claimed in claim 2 is characterized in that, the through hole of the through hole of described sealing frame and dividing plate, end plate surrounding is suitable.
5, micro direct methanol fuel battery as claimed in claim 2 is characterized in that, described currect collecting net is a wire netting.
6, micro direct methanol fuel battery as claimed in claim 5 is characterized in that, described wire netting is platinum guaze, golden net, iron net, stainless (steel) wire, nickel screen, titanium net or the wire netting that has coating.
7, micro direct methanol fuel battery as claimed in claim 2 is characterized in that, the material of described sealing frame is polyester, terylene, polytetrafluoroethylene.
8, a kind of manufacture method of air self-respiration type micro direct methanol fuel battery is characterized in that, may further comprise the steps:
A) proton exchange membrane was carried out preliminary treatment before using, standby;
B) in hot press, at outermost, proton exchange membrane places middle with the electrode pendulum, and electrode is made up of diffusion layer and Catalytic Layer, and the Catalytic Layer of electrode will be towards proton exchange membrane;
C), obtain single pond membrane electrode with hot-forming;
D) by currect collecting net a plurality of single ponds membrane electrode is linked together, an end that is a slice currect collecting net is connected with the negative electrode of a membrane electrode, the anode of the membrane electrode that the other end is adjacent with this membrane electrode is connected, the currect collecting net that is connected with the two ends membrane electrode can directly be drawn, and all single pond membrane electrode cathodes or anode should be in the same sides; Add the sealing frame at outermost again;
E), get the battery membranes electrode body with hot-forming;
F) repeat b) c) d) e) step, get a plurality of battery membranes electrode body;
G) seal is placed the both sides of dividing plate, again gained two battery membranes electrode body are placed its two outside respectively;
H) end plate is placed two outermost after, fix with device for fastening, the fuel cell finished product.
9, manufacture method as claimed in claim 8, it is characterized in that, in c) step in, with b) a plurality of single pond membrane electrode assembly of gained sets in order in the step, with currect collecting net a plurality of single ponds membrane electrode is linked together, promptly an end of a slice currect collecting net is connected with the negative electrode of a membrane electrode, and the anode of the membrane electrode that the other end is adjacent with this membrane electrode is connected, the currect collecting net that is connected with the two ends membrane electrode can directly be drawn, and all single pond membrane electrode cathodes or anode should be in the same sides; Add the sealing frame at outermost again;
D hot repressing moulding gets the battery membranes electrode body;
E) repeat b) c) d) e) step, get a plurality of battery membranes electrode body;
F) seal is placed the both sides of dividing plate, again gained two battery membranes electrode body are placed its two outside respectively;
G) end plate is placed two outermost after, fix with device for fastening, the fuel cell finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031557937A CN1305156C (en) | 2003-09-02 | 2003-09-02 | Air self-breathing type micro-direct alcohol fuel cell structure and making method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031557937A CN1305156C (en) | 2003-09-02 | 2003-09-02 | Air self-breathing type micro-direct alcohol fuel cell structure and making method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1591946A true CN1591946A (en) | 2005-03-09 |
| CN1305156C CN1305156C (en) | 2007-03-14 |
Family
ID=34598198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031557937A Expired - Fee Related CN1305156C (en) | 2003-09-02 | 2003-09-02 | Air self-breathing type micro-direct alcohol fuel cell structure and making method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1305156C (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100397687C (en) * | 2006-08-25 | 2008-06-25 | 中国科学院上海微系统与信息技术研究所 | Cathode flow field plate for self-breathing micro-proton exchange film fuel cell and producing method |
| CN1855591B (en) * | 2005-04-28 | 2010-05-12 | 株式会社日立制作所 | Fuel cell unit and electric machine |
| CN101071880B (en) * | 2007-05-21 | 2010-05-26 | 哈尔滨工业大学 | Serial battery for passive self-breathing direct methanol fuel cell |
| CN102136590A (en) * | 2011-01-21 | 2011-07-27 | 华南理工大学 | Air cathode-based miniature direct formic acid fuel cell |
| CN101656323B (en) * | 2009-03-31 | 2011-11-09 | 中国科学院长春应用化学研究所 | Method for sealing fuel cell |
| CN101599548B (en) * | 2009-07-02 | 2012-03-21 | 哈尔滨工业大学水资源国家工程研究中心有限公司 | Self-respiration micro fuel battery structure of shutter structure and preparation method thereof |
| CN101536230B (en) * | 2006-09-07 | 2012-07-04 | 住友化学株式会社 | Method for evaluating durability of unit cell, device for evaluating durability, program for evaluating durability, and unit cell of fuel cell in |
| CN102623717A (en) * | 2012-03-31 | 2012-08-01 | 中国科学院长春应用化学研究所 | Membrane electrode preparation method and membrane electrode |
| CN101411023B (en) * | 2006-01-25 | 2012-08-08 | 法商Bic公司 | Method for operating fuel cells with passive reactant supply |
| CN103852402A (en) * | 2012-11-29 | 2014-06-11 | 中国科学院大连化学物理研究所 | Measuring apparatus and measuring method for MacMullin number of porous mediums |
| CN107394237A (en) * | 2016-05-17 | 2017-11-24 | 香港大学 | Cell of fuel cell and fuel cell pack |
| CN108767265A (en) * | 2018-06-19 | 2018-11-06 | 哈尔滨工业大学 | A kind of single-chamber microbial fuel cell activated carbon-film-air cathode and preparation method thereof |
| CN109148927A (en) * | 2018-09-04 | 2019-01-04 | 重庆大学 | Air-breathing with submergence microjet is without film microfluid fuel cell |
| CN109888166A (en) * | 2019-01-25 | 2019-06-14 | 华南理工大学 | A kind of direct methanol fuel cell shut-down system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1122322C (en) * | 1998-04-17 | 2003-09-24 | 松下电器产业株式会社 | Solid polymer electrolyte fuel cell and method for producing the same |
| US6210823B1 (en) * | 1998-08-19 | 2001-04-03 | Matsushita Electric Industrial Co. Ltd. | Polymer electrolyte fuel cell |
| KR100421708B1 (en) * | 1998-08-20 | 2004-03-11 | 마쯔시다덴기산교 가부시키가이샤 | Fuel cell and method of menufacture thereof |
-
2003
- 2003-09-02 CN CNB031557937A patent/CN1305156C/en not_active Expired - Fee Related
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1855591B (en) * | 2005-04-28 | 2010-05-12 | 株式会社日立制作所 | Fuel cell unit and electric machine |
| CN101411023B (en) * | 2006-01-25 | 2012-08-08 | 法商Bic公司 | Method for operating fuel cells with passive reactant supply |
| CN100397687C (en) * | 2006-08-25 | 2008-06-25 | 中国科学院上海微系统与信息技术研究所 | Cathode flow field plate for self-breathing micro-proton exchange film fuel cell and producing method |
| CN101536230B (en) * | 2006-09-07 | 2012-07-04 | 住友化学株式会社 | Method for evaluating durability of unit cell, device for evaluating durability, program for evaluating durability, and unit cell of fuel cell in |
| CN101071880B (en) * | 2007-05-21 | 2010-05-26 | 哈尔滨工业大学 | Serial battery for passive self-breathing direct methanol fuel cell |
| CN101656323B (en) * | 2009-03-31 | 2011-11-09 | 中国科学院长春应用化学研究所 | Method for sealing fuel cell |
| CN101599548B (en) * | 2009-07-02 | 2012-03-21 | 哈尔滨工业大学水资源国家工程研究中心有限公司 | Self-respiration micro fuel battery structure of shutter structure and preparation method thereof |
| CN102136590A (en) * | 2011-01-21 | 2011-07-27 | 华南理工大学 | Air cathode-based miniature direct formic acid fuel cell |
| CN102623717A (en) * | 2012-03-31 | 2012-08-01 | 中国科学院长春应用化学研究所 | Membrane electrode preparation method and membrane electrode |
| CN102623717B (en) * | 2012-03-31 | 2014-07-02 | 中国科学院长春应用化学研究所 | Membrane electrode preparation method and membrane electrode |
| CN103852402A (en) * | 2012-11-29 | 2014-06-11 | 中国科学院大连化学物理研究所 | Measuring apparatus and measuring method for MacMullin number of porous mediums |
| CN103852402B (en) * | 2012-11-29 | 2016-01-20 | 中国科学院大连化学物理研究所 | The proving installation of porous medium MacMullin number and method of testing |
| CN107394237A (en) * | 2016-05-17 | 2017-11-24 | 香港大学 | Cell of fuel cell and fuel cell pack |
| CN107394237B (en) * | 2016-05-17 | 2020-06-19 | 香港大学 | Fuel cell unit and fuel cell stack |
| CN108767265A (en) * | 2018-06-19 | 2018-11-06 | 哈尔滨工业大学 | A kind of single-chamber microbial fuel cell activated carbon-film-air cathode and preparation method thereof |
| CN109148927A (en) * | 2018-09-04 | 2019-01-04 | 重庆大学 | Air-breathing with submergence microjet is without film microfluid fuel cell |
| CN109148927B (en) * | 2018-09-04 | 2021-03-19 | 重庆大学 | Air self-breathing membraneless microfluidic fuel cell with immersed microjets |
| CN109888166A (en) * | 2019-01-25 | 2019-06-14 | 华南理工大学 | A kind of direct methanol fuel cell shut-down system |
| CN109888166B (en) * | 2019-01-25 | 2024-05-28 | 华南理工大学 | Direct methanol fuel cell stack system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1305156C (en) | 2007-03-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1305156C (en) | Air self-breathing type micro-direct alcohol fuel cell structure and making method | |
| CN101308924B (en) | Flexibility enhanced bipolar plate for liquid energy-storing battery and manufacture thereof | |
| CN1886845A (en) | Fuel cell end plate assembly | |
| CN1319261A (en) | Fuel cell stack with separator of laminate structure | |
| CN105529478B (en) | A kind of pile of fuel battery double plates and its composition | |
| CN1287254C (en) | Direct methanol fuel cell and portable computer having the same | |
| CN1405915A (en) | Module element of proton exchange film fuel cell and moudule cell unit | |
| CN101409357B (en) | Passive self-respiration direct methanol fuel battery set based on metal double polar plate structure | |
| CN1845370A (en) | Flow battery making electrolyte cross porous electrode | |
| CN1591940A (en) | Direct alcohol fuel cell diaphragm electrode structure and preparing process | |
| CN1641918A (en) | Integrated fuel cell pile packaging and fastening device | |
| CN1815790A (en) | Sealing structure of flow-guide double-pole plate or membrane electrode for fuel cell | |
| CN1449066A (en) | Flow field demarcation strip for proton exchange membrane fuel cell | |
| CN2632867Y (en) | Large-scale integral fuel battery with modular assembly | |
| CN105428671B (en) | A kind of high power density pemfc stack | |
| CN1571206A (en) | A large-scale integrated fuel battery capable of being modularized assembled | |
| CN1320679C (en) | Inner wetting proton exchanging film fuel battery | |
| CN1230937C (en) | Direct alcohol fuel cell and manufacturing method thereof | |
| CN1288787C (en) | A proton exchange membrane fuel cell stack | |
| CN1770527A (en) | Integrated fuel cell for optimization design for hydrogen gas access channels and circulating uses | |
| CN1226799C (en) | Solid polymer fuel cell unit and its cell stack | |
| CN2899128Y (en) | Flow-field plate and proton exchanging-film fuel battery containing it | |
| CN2475144Y (en) | Sealer for fuel cell unit | |
| CN2763993Y (en) | Flow guiding double-pole board or membrane electrod seal structure for fuel cell | |
| CN1738089A (en) | A kind of proton exchange membrane of direct alcohol fuel battery and membrane electrode preparation method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070314 Termination date: 20130902 |