CN102347503A - Fuel cell module with sealing structure - Google Patents
Fuel cell module with sealing structure Download PDFInfo
- Publication number
- CN102347503A CN102347503A CN2010102399376A CN201010239937A CN102347503A CN 102347503 A CN102347503 A CN 102347503A CN 2010102399376 A CN2010102399376 A CN 2010102399376A CN 201010239937 A CN201010239937 A CN 201010239937A CN 102347503 A CN102347503 A CN 102347503A
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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
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Abstract
A fuel cell module with a sealing structure comprises a membrane electrode assembly, an anode gas diffusion layer, a cathode gas diffusion layer, a border component in anode side and a border component in cathode side. The membrane electrode assembly comprises a proton exchange membrane, an anode catalyst layer and a cathode catalyst layer. The proton exchange membrane is positioned between the anode catalyst layer and the cathode catalyst layer. The border component in anode side is connected between the anode catalyst layer of the membrane electrode assembly and the anode gas diffusion layer. The border component in cathode side is connected between the cathode catalyst layer of the membrane electrode assembly and the cathode gas diffusion layer, and the border component in anode side is mutually stuck with the out edge of the membrane electrode assembly. According to the invention, leakage of fuel and oxygen to the external fuel cell module with sealing structure as well as mutual leakage and mixing can be effectively avoided, and poor alignments condition when a plurality of fuel cell modules with the sealing structure are assembled to a fuel cell stack can be avoided.
Description
Technical field
The present invention relates to a kind of edge seal fuel cell module, relate in particular to a kind of edge seal fuel cell module that can effectively prevent fuel leak.
Background technology
Fuel cell (Fuel Cell) is that a kind of fuel such as methyl alcohol or hydrogen and oxygen of utilizing carries out the device that redox reaction produces electric power.In order to make fuel cell produce electrochemical reaction (or redox reaction), fuel and oxygen must be respectively via among the suitable passage entering fuel cells.For instance; The fuel cell that acts as a fuel with hydrogen (H2); Anode reaction side (or anode catalyst layer) and cathode reaction side (or cathode catalysts layer) that hydrogen (H2) and oxygen can be respectively be transported to mea via anode gas diffusion layer and cathode gas diffusion layer are carried out redox reaction, to produce electric power output.At this, the redox reaction of anode reaction side and cathode reaction side is as follows respectively:
Anode reaction side: H
2→ 2H
++ 2e
-
Cathode reaction side: 1/2O
2+ 2H
++ 2e
-→ H
2O
As stated, if the hydrogen (H of anode reaction side
2) and the outside of oxygen leakage to the fuel cell of cathode reaction side or the hydrogen (H of anode reaction side
2) and the oxygen of cathode reaction side leak mixing each other, then may cause the usefulness variation or even the danger situation such as blast of fuel cell.Therefore, in order to ensure the hydrogen (H of anode reaction side
2) and the oxygen of cathode reaction side can not leak to the outside of fuel cell and can not leak mixing each other, the edge seal element is widely used among the fuel cell.
Yet the edge seal element of known fuel cell module has adhesion strength and the not enough shortcoming of support strength, so causes the outside of fuel and oxygen leakage to fuel cell module easily and the phenomenon of mixing takes place to leak each other.
Summary of the invention
The present invention adopts the characteristic that detailed as follows with in order to solve the above problems basically.That is to say, the present invention includes a mea, have a proton exchange membrane, an anode catalyst layer and a cathode catalysts layer, wherein, this proton exchange membrane is between this anode catalyst layer and this cathode catalysts layer; One anode gas diffusion layer; One cathode gas diffusion layer; One anode edge potted element is connected between this anode catalyst layer and this anode gas diffusion layer of this mea; And a cathode edge potted element, be connected between this cathode catalysts layer and this cathode gas diffusion layer of this mea, and adhere mutually in this mea outer rim and this anode edge potted element.
Simultaneously; According to edge seal fuel cell module of the present invention; This anode edge potted element and this cathode edge potted element have a substrate layer and two adhesion coatings respectively; This substrate layer takes shape between the said adhesion coating; This anode edge potted element is connected between this anode catalyst layer and this anode gas diffusion layer of this mea by said adhesion coating, and this cathode edge potted element is connected between this cathode catalysts layer and this cathode gas diffusion layer of this mea by said adhesion coating.
Again in the present invention, this substrate layer can be made by a fiber material or film.
Again in the present invention, this fiber material comprises glass cloth, nylon cloth, mylar or Ke Weila fibrous paper.
Again in the present invention, this film comprises a polyester film or a polycarbonate membrane.
Again in the present invention, said adhesion coating is made by a thermoplastic or a thermosets.
Again in the present invention, this thermoplastic comprises modified poly ester film, Kynoar, fluorine-containing thermoplastic elastomer (TPE), aromatic hydrocarbon high molecular polymer, modified poly ethylene, modified polypropene, polyethylene, polypropylene, thermoplastic elastomer (TPE) or aromatic series polyene amine.
Again in the present invention, this thermosets comprises epoxy resin or silicones.
The present invention can effectively avoid the outside of fuel and oxygen leakage to edge seal fuel cell module and leak each other mixing, and the bad situation of assembling contraposition takes place can avoid a plurality of edge seal fuel cell modules to be assembled into a fuel cell pack time.
For make above-mentioned purpose of the present invention, feature and advantage can be more obviously understandable, the hereinafter special preferred embodiment of lifting also cooperates appended accompanying drawing to elaborate.
Description of drawings
Fig. 1 shows the generalized section of edge seal fuel cell module of the present invention;
Fig. 2 shows the anode edge potted element of edge seal fuel cell module of the present invention or a kind of manufacture sketch map of cathode edge potted element;
Fig. 3 shows the anode edge potted element of edge seal fuel cell module of the present invention or the another kind of manufacture sketch map of cathode edge potted element;
Fig. 4 shows the anode edge potted element of edge seal fuel cell module of the present invention or another manufacture sketch map of cathode edge potted element; And
Fig. 5 shows the manufacture sketch map of edge seal fuel cell module of the present invention.
Wherein, description of reference numerals is following:
100～edge seal fuel cell module
110～mea
111～proton exchange membrane
112～anode catalyst layer
113～cathode catalysts layer
120～anode gas diffusion layer
130～cathode gas diffusion layer
140,140 '～anode edge potted element
150,150 '～cathode edge potted element
160～weblike material
161～substrate layer
161 '～substrate layer weblike material
162～adhesion coating
162 '～adhesion coating weblike material
171～upward heat pressure rollers
172～following heat pressure roller
180～furl axle
191,191a～release film
191 '～release film weblike material
192～the first release liners
193～the second release liners
201～upward tool for stitching
202～following tool for stitching
301～upward lamination tools
302～following lamination tool
Embodiment
Conjunction with figs. explanation the preferred embodiments of the present invention.
See also Fig. 1, the edge seal fuel cell module 100 of present embodiment mainly includes a mea 110, an anode gas diffusion layer 120, a cathode gas diffusion layer 130, an anode edge potted element 140 and a cathode edge potted element 150.
Mea 110 has a proton exchange membrane 111, an anode catalyst layer 112 and a cathode catalysts layer 113.Proton exchange membrane 111 is between anode catalyst layer 112 and cathode catalysts layer 113.At this, the oxidation of edge seal fuel cell module 100 and reduction reaction are to carry out with cathode catalysts layer 113 place at anode catalyst layer 112 respectively, and proton then is to be passed to cathode catalysts layer 113 via proton exchange membrane 111 from anode catalyst layer 112.
Anode gas diffusion layer 120 and cathode gas diffusion layer 130 are to be used for transfer the fuel and oxygen to anode catalyst layer 112 and cathode catalysts layer 113 respectively, and anode gas diffusion layer 120 and cathode gas diffusion layer 130 can be used to conduct the electric current that redox reaction produces.
Anode edge potted element 140 is to be connected between the anode catalyst layer 112 and anode gas diffusion layer 120 of mea 110.
Cathode edge potted element 150 is to be connected between the cathode catalysts layer 113 and cathode gas diffusion layer 130 of mea 110.Specifically, in the outer rim place of mea 110, cathode edge potted element 150 fits in anode edge potted element 140.
Among present embodiment, anode edge potted element 140 and cathode edge potted element 150 are to have identical structure, and it has a substrate layer 161 and two adhesion coatings 162 respectively.Substrate layer 161 is to take shape between two adhesion coatings 162, and substrate layer 161 can have appropriate support intensity and pliability.At this, substrate layer 161 can be made by a fiber material or film.For instance, this fiber material can comprise glass cloth (fiber glass cloth), nylon cloth (nylon cloth), mylar (polyester cloth) or Ke Weila fibrous paper (Kevlar paper).In addition, substrate layer 161 also can be made up of a polyester film (polyester film) or a polycarbonate membrane (polycarbonate film).In addition, adhesion coating 162 can be made by a thermoplastic or a thermosets.For instance; This thermoplastic comprises the modified poly ester film; Kynoar (PVDF); Fluorine-containing thermoplastic elastomer (TPE) (thermoplastic fluoroelastomers); Aromatic hydrocarbon high molecular polymer (aromatic condensationpolymers); Modified poly ethylene (modified polyethylene); Modified polypropene (modifiedpolypropylene); Polyethylene (polyethylene); Polypropylene; Thermoplastic elastomer (TPE) (thermoplasticelastomers) or aromatic series polyene amine (aromatic polyamides), and this thermosets comprises epoxy resin (epoxy resin) or silicones (silicone).
In addition, the anode edge potted element 140 of present embodiment or cathode edge potted element 150 can be by following several method manufacturings.
See also Fig. 2, substrate layer weblike material 161 ' identical with the composition of substrate layer 161 and the two adhesion coating weblike materials 162 ' identical with the composition of adhesion coating 162 can form anode edge potted element 140 or cathode edge potted element 150 with the heating and pressurizing rolling of heat pressure roller 172 once via heat pressure roller on one 171.At this, adhesion coating 162 must be applied in suitable temperature and pressure just can have adherence, thereby could be combined into one with substrate layer 161.Then, anode edge potted element 140 or cathode edge potted element 150 can furl axle 180 rotation and are collected by one.At last, anode edge potted element 140 that is collected or cathode edge potted element 150 can cut and are applied among the edge seal fuel cell module 100 via suitable.
See also Fig. 3, substrate layer weblike material 161 ' and two weblike materials 160 (being processed by preparatory earlier applying of adhesion coating weblike material 162 ' and release film weblike material 191 ') can form an anode edge potted element 140 ' or a cathode edge potted element 150 ' that contains two release films (backing sheet) 191 with the heating and pressurizing rolling of following heat pressure roller 172 via last heat pressure roller 171.At this, adhesion coating weblike material 162 ' is to fit together in advance with release film weblike material 191 '.It should be noted that release film weblike material 191 ' or release film 191 mainly are to be used for keeping adhesion coating weblike material 162 ' or the thickness of adhesion coating 162 when fitting is stable.Likewise, adhesion coating 162 must be applied in suitable temperature and pressure just can have adherence, thereby could be combined into one with substrate layer 161.Then, anode edge potted element 140 ' or cathode edge potted element 150 ' can be collected by the rotation that furls axle 180.Then, when the anode edge potted element 140 ' that is collected or cathode edge potted element 150 ' need be used, the release film on it 191 can be removed, thereby can form anode edge potted element 140 or cathode edge potted element 150.At last, anode edge potted element 140 or cathode edge potted element 150 can cut and are applied among the edge seal fuel cell module 100 via suitable.In addition, release film 191 can be the form of a PET film.
See also Fig. 4, a substrate layer 161, two adhesion coatings 162 and two release films 191 can place on one within tool for stitching 201 and the tool for stitching 202 once, combine through adding hot pressing.Likewise, the release film 191 that is used for keeping the appearance stablity of adhesion coating 162 can be removed, thereby can form anode edge potted element 140 or cathode edge potted element 150.
In addition, the edge seal fuel cell module 100 of present embodiment can be by following method manufacturing.
See also Fig. 5, a mea 110, an anode edge potted element 140, a cathode edge potted element 150, an anode gas diffusion layer 120, a cathode gas diffusion layer 130, two release film 191a, two first release liners 192 and a plurality of second release liners 193 place on one in lamination tool 301 and the lamination tool 302 once according to order shown in Figure 5.At this; First release liners 192 and second release liners 193 are to be used for overcoming the tolerance that goes up lamination tool 301 and following lamination tool 302, and release film 191a can be used to promote peeling off between first release liners 192 and (anode edge potted element 140 and cathode edge potted element 150) adhesion coating 162.Then, containing lamination tool 301 is inserted in the hot press (not shown) with the above-mentioned semi-finished product of following lamination tool 302 and is carried out hot pressing.Then, after hot pressing is accomplished, remove lamination tool 301, time lamination tool 302, first release liners 192, second release liners 193 and release film 191a, can accomplish the edge seal fuel cell module 100 of present embodiment.
As stated; Among present embodiment; Anode edge potted element 140 is to connect (adhesion) between the anode catalyst layer 112 and anode gas diffusion layer 120 of mea 110 by its two adhesion coating 162, and cathode edge potted element 150 also is to connect (adhesion) between the cathode catalysts layer 113 and cathode gas diffusion layer 130 of mea 110 by its two adhesion coating 162.Simultaneously; Anode edge potted element 140 and cathode edge potted element 150 also fit together at mea 110 outer rim places each other; And the substrate layer 161 in anode edge potted element 140 and the cathode edge potted element 150 can provide appropriate support intensity again; Therefore; Even after edge seal fuel cell module 100 uses through discharging for a long time; Its anode edge potted element 140 and/or cathode edge potted element 150 can be because adhesion strength or support strength are not enough yet from separating between mea 110 and the anode gas diffusion layer 120 and/or separating between mea 110 and the cathode gas diffusion layer 130; Thereby can guarantee the air-tightness of edge seal fuel cell module 100, and then can effectively avoid oxygen leakage to edge seal fuel cell module 100 outside and leaking each other of fuel and the cathode reaction side (or cathode catalysts layer 113) of anode reaction side (or anode catalyst layer 112) to mix.In addition; Anode edge potted element 140 and cathode edge potted element 150 can effectively be directed against mea 110, anode gas diffusion layer 120 and cathode gas diffusion layer 130 and fix, thereby the bad situation of assembling contraposition takes place can avoid a plurality of edge seal fuel cell modules 100 to be assembled into a fuel cell pack time.
Though the present invention is disclosed in preferred embodiment; Right its is not in order to limit the present invention; Any those of ordinary skills; Do not breaking away from the spirit and scope of the present invention; When can doing a little change and retouching, so protection scope of the present invention is as the criterion when looking appended the scope that claim defined.
Claims (7)
1. edge seal fuel cell module comprises:
One mea has a proton exchange membrane, an anode catalyst layer and a cathode catalysts layer, and wherein, this proton exchange membrane is between this anode catalyst layer and this cathode catalysts layer;
One anode gas diffusion layer;
One cathode gas diffusion layer;
One anode edge potted element is connected between this anode catalyst layer and this anode gas diffusion layer of this mea; And
One cathode edge potted element; Be connected between this cathode catalysts layer and this cathode gas diffusion layer of this mea; And adhere mutually in this mea outer rim and this anode edge potted element; Wherein, This anode edge potted element and this cathode edge potted element have a substrate layer and two adhesion coatings respectively; This substrate layer takes shape between the said adhesion coating; This anode edge potted element is connected between this anode catalyst layer and this anode gas diffusion layer of this mea by said adhesion coating, and this cathode edge potted element is connected between this cathode catalysts layer and this cathode gas diffusion layer of this mea by said adhesion coating.
2. edge seal fuel cell module as claimed in claim 1, wherein, this substrate layer is made by a fiber material or film.
3. edge seal fuel cell module as claimed in claim 2, wherein, this fiber material comprises glass cloth, nylon cloth, mylar or Ke Weila fibrous paper.
4. edge seal fuel cell module as claimed in claim 2, wherein, this film comprises a polyester film or a polycarbonate membrane.
5. edge seal fuel cell module as claimed in claim 1, wherein, said adhesion coating is made by a thermoplastic or a thermosets.
6. edge seal fuel cell module as claimed in claim 5; Wherein, this thermoplastic comprises modified poly ester film, Kynoar, fluorine-containing thermoplastic elastomer (TPE), aromatic hydrocarbon high molecular polymer, modified poly ethylene, modified polypropene, polyethylene, polypropylene, thermoplastic elastomer (TPE) or aromatic series polyene amine.
7. edge seal fuel cell module as claimed in claim 5, wherein, this thermosets comprises epoxy resin or silicones.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102399376A CN102347503A (en) | 2010-07-26 | 2010-07-26 | Fuel cell module with sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102399376A CN102347503A (en) | 2010-07-26 | 2010-07-26 | Fuel cell module with sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102347503A true CN102347503A (en) | 2012-02-08 |
Family
ID=45545913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102399376A Pending CN102347503A (en) | 2010-07-26 | 2010-07-26 | Fuel cell module with sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102347503A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105702987A (en) * | 2014-11-28 | 2016-06-22 | 上海恒劲动力科技有限公司 | Fuel cell membrane electrode assembly and manufacturing method therefor |
| CN105914037A (en) * | 2015-02-23 | 2016-08-31 | 昭和电工包装株式会社 | Power storage device and production method thereof |
| CN108054406A (en) * | 2017-12-28 | 2018-05-18 | 东莞北京航空航天大学研究院 | Fuel cell seal assembly and encapsulating method |
| JP2020095929A (en) * | 2018-12-12 | 2020-06-18 | 現代自動車株式会社Ｈｙｕｎｄａｉ Ｍｏｔｏｒ Ｃｏｍｐａｎｙ | Elastic cell frame for fuel cell, manufacturing method thereof, and unit cell using the same |
| US11581551B2 (en) | 2019-08-02 | 2023-02-14 | Hyundai Motor Company | Elastomeric cell frame for fuel cell, manufacturing method of the same and unit cell using the same |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050095490A1 (en) * | 2003-10-31 | 2005-05-05 | Mittelstadt Laurie S. | Fuel cell assembly gasket for fuel containment |
| CN1839502A (en) * | 2003-08-22 | 2006-09-27 | 约翰逊马西有限公司 | Sealing of a membrane electrode assembly |
-
2010
- 2010-07-26 CN CN2010102399376A patent/CN102347503A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1839502A (en) * | 2003-08-22 | 2006-09-27 | 约翰逊马西有限公司 | Sealing of a membrane electrode assembly |
| US20050095490A1 (en) * | 2003-10-31 | 2005-05-05 | Mittelstadt Laurie S. | Fuel cell assembly gasket for fuel containment |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105702987A (en) * | 2014-11-28 | 2016-06-22 | 上海恒劲动力科技有限公司 | Fuel cell membrane electrode assembly and manufacturing method therefor |
| CN105702987B (en) * | 2014-11-28 | 2018-08-14 | 上海恒劲动力科技有限公司 | A kind of fuel cell membrane electrode assembly and preparation method thereof |
| CN105914037A (en) * | 2015-02-23 | 2016-08-31 | 昭和电工包装株式会社 | Power storage device and production method thereof |
| CN105914037B (en) * | 2015-02-23 | 2019-11-05 | 昭和电工包装株式会社 | Electrical storage device and its manufacturing method |
| CN108054406A (en) * | 2017-12-28 | 2018-05-18 | 东莞北京航空航天大学研究院 | Fuel cell seal assembly and encapsulating method |
| JP2020095929A (en) * | 2018-12-12 | 2020-06-18 | 現代自動車株式会社Ｈｙｕｎｄａｉ Ｍｏｔｏｒ Ｃｏｍｐａｎｙ | Elastic cell frame for fuel cell, manufacturing method thereof, and unit cell using the same |
| JP7257851B2 (en) | 2018-12-12 | 2023-04-14 | 現代自動車株式会社 | Elastic cell frame for fuel cell, manufacturing method thereof, and unit cell using same |
| US11581551B2 (en) | 2019-08-02 | 2023-02-14 | Hyundai Motor Company | Elastomeric cell frame for fuel cell, manufacturing method of the same and unit cell using the same |
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Application publication date: 20120208 |