CN1339179A - Pem燃料电池及其制造方法 - Google Patents
Pem燃料电池及其制造方法 Download PDFInfo
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- CN1339179A CN1339179A CN00803205A CN00803205A CN1339179A CN 1339179 A CN1339179 A CN 1339179A CN 00803205 A CN00803205 A CN 00803205A CN 00803205 A CN00803205 A CN 00803205A CN 1339179 A CN1339179 A CN 1339179A
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- 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
- H01M8/02—Details
- H01M8/0271—Sealing or supporting means around electrodes, matrices or membranes
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- 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
- H01M8/1007—Fuel cells with solid electrolytes with both reactants being gaseous or vaporised
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- 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
- H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
- H01M8/2465—Details of groupings of fuel cells
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2300/00—Electrolytes
- H01M2300/0017—Non-aqueous electrolytes
- H01M2300/0065—Solid electrolytes
- H01M2300/0082—Organic polymers
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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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- 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
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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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49108—Electric battery cell making
- Y10T29/4911—Electric battery cell making including sealing
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Fuel Cell (AREA)
- Treatments Of Macromolecular Shaped Articles (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
本发明涉及一种PEM(光电磁效应)燃料电池及其制造方法,其中,燃料电池的装配通过薄膜和极板边缘的相互嵌接来实现。
Description
本发明涉及一种PEM(光电磁效应)燃料电池和一种它的制造方法,其中燃料电池的装配通过薄膜和极板边缘的相互嵌接来实现。
例如由WO96/41392已知一种燃料电池,其中,PEM燃料电池的基本元件,亦即两侧涂覆有电极层的薄膜和两块极板通过一个专用夹子被夹固在一起。
在另一种燃料电池中,薄膜超出两侧涂覆的电极,并通过一个密封件与正、负极板连接,从而在带电极涂层的薄膜和各极板之间形成一个气密的阳极-和/或阴极气室。
在制造已知的电池时,总是需要一个额外的部件(夹子和/或密封)以及一个额外的工序用于在燃料电池的装配过程中安装这些部件。
本发明的目的在于,提供一种结构设计用于燃料电池的装配,其中燃料电池的基本元件,亦即薄膜、电极和极板足以在一道工序中完成装配,以制造出电池。
本发明的对象(内容)是一种燃料电池,它包括一个在两侧涂覆有电极层的薄膜和分别用于限定阳极和阴极气室的一块负极板和一块正极板,其中,薄膜边缘和两极板边缘互配成型,使得在装配时两极板边缘啮合在薄膜边缘内,并在薄膜和极板之间分别形成一个密封的阳极气室和阴极气室。
本发明的对象还有一种制造燃料电池的方法,其中,通过将两极板边缘啮合在薄膜边缘内来形成所述电池。
根据本发明的一种有利的结构,薄膜边缘设计成沟槽状和/或“U”形,并且两极板边缘也同样地设计成沟槽状和/或“U”形,以使上、下两块极板分别钩在薄膜边缘的各槽壁内。所述薄膜由密封材料制成,因此通过将极板啮合在薄膜边缘的沟槽内形成一个密封。
凹槽-和/或沟槽形薄膜边缘适合于容纳极板,它可以在一开始制造薄膜时就成型或者可以在现成的薄膜上(甚至可能是在现成的薄膜-电极-单元上)通过注塑、焊接、粘接和/或按别的方法加设。这种边缘最好是与薄膜不可拆卸地连接。
极板边缘的初始形状,即,它在燃料电池装配前的形状最好是直的,到元件接合时才弯曲。不过它也可以从一开始就构型成,能够卡锁在一个相应的薄膜边缘内。各极板边缘也可以通过焊接、粘接、注塑和/或按别的方法加设。
在本发明的一个优选实施型式中,由两块极板和薄膜边缘形成的边缘密封沿其棱边呈蜿蜒状地闭锁,而两极板弯折到活性电池面(亦即涂覆有电极层的薄膜面)和薄膜的“U”形边缘之间的空腔里。这样就形成一个理想的边缘密封。
下面借助两个附图对本发明予以详细说明,附图中:
图1表示一个燃料电池的横截面。该电池的上面和下面分别通过一块极板1限定。可看出中间是两侧分别具有一电极2的薄膜3。电池2只是覆盖薄膜3的活性面。在下极板1和紧接的(相邻的)燃料电池的上极板1之间是冷却管6。薄膜3的边缘4没有被涂覆电极层,它具有一个“U”形隆起,极板1的边缘啮合在里面形成边缘密封。边缘4例如注塑在薄膜3上。为了更好地密封,由薄膜边缘4和两极板1形成的边缘密封沿棱边呈蜿蜒状地闭锁,即呈曲线形地闭锁,如图1中虚线所示和图2中清楚地看到的那样。
图2表示沿图1中的断面A-A剖得的一个俯视图。若向薄膜3看,它不是象图1中那样按其厚度方向剖切示出,而是沿其平面展开。在边缘区域7内,人们观察被啮合的下极板1,可看到下极板1沿图示边缘呈蜿蜒状地闭锁,即呈曲线形地闭锁,使得如图1中虚线所示边缘弯折到带电极2的活性面和薄膜4之间的空腔5内。由此实现一个理想的边缘密封。
为制造燃料电池,极板1、涂覆电极层的薄膜3以及可能还有冷却板相互松散地叠置,同时通过各个部件的几何形状而预先定位。在此,极板1的外边缘在未接合的初始状态下是直的。通过使极板1的外边缘按图示的弯曲形状以“啮合”方式实现嵌接,就形成一个具有有效功能的电池。由此通过极板1和薄膜边缘4的形状闭合,既实现了气密性又实现了全部电池的“堆叠式-连接”。同时使各单个电池的极板保持统一的、对称的结构形状。
在装配燃料电池时,通过两极板与薄膜在机械-构造上的联结,在燃料电池的边缘区域形成一个密封,在过压情况下气体通过该密封可以排出,而在其它情况下该密封对外气密地封闭。
本发明既适用于PEM(光电磁效应)燃料电池的固定应用又适用于其移动应用。
Claims (4)
1.一种燃料电池,它包括一个两侧都涂覆有电极(2)层的薄膜(3)和分别用于限定阳极和阴极气室的一块负极板和一块正极板(1),其中,薄膜(3)边缘(4)和两极板(1)边缘互配成型,使得在装配时两极板(1)边缘啮合在薄膜(3)边缘(4)内,并在薄膜(3)和极板(1)之间分别形成一个密封的阳极气室和阴极气室。
2.按照权利要求1所述的燃料电池,其中,薄膜(3)的边缘(4)为沟槽形和/或“U”形。
3.按照权利要求1或2所述的燃料电池,其中,极板(1)和薄膜(3)的边缘沿其棱边呈蜿蜒状地闭锁。
4.一种制造燃料电池的方法,其中,通过使两极板边缘啮合在薄膜边缘内来构成燃料电池。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19903352.8 | 1999-01-28 | ||
DE19903352A DE19903352C2 (de) | 1999-01-28 | 1999-01-28 | PEM-Brennstoffzelle und Verfahren zu ihrer Herstellung |
Publications (1)
Publication Number | Publication Date |
---|---|
CN1339179A true CN1339179A (zh) | 2002-03-06 |
Family
ID=7895652
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN00803205A Pending CN1339179A (zh) | 1999-01-28 | 2000-01-11 | Pem燃料电池及其制造方法 |
Country Status (10)
Country | Link |
---|---|
US (1) | US6638656B2 (zh) |
EP (1) | EP1153451B1 (zh) |
JP (1) | JP2002536789A (zh) |
CN (1) | CN1339179A (zh) |
AT (1) | ATE230895T1 (zh) |
CA (1) | CA2359733A1 (zh) |
DE (2) | DE19903352C2 (zh) |
DK (1) | DK1153451T3 (zh) |
ES (1) | ES2190401T3 (zh) |
WO (1) | WO2000045454A1 (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100344022C (zh) * | 2002-04-03 | 2007-10-17 | 3M创新有限公司 | 用于自动化叠置燃料电池的材料层的装置和方法 |
CN1871731B (zh) * | 2003-09-20 | 2013-03-13 | 乌米科雷股份两合公司 | 含有一体化密封材料的催化剂涂覆的膜及由此制备的膜电极组件 |
CN110176615A (zh) * | 2018-02-20 | 2019-08-27 | 通用汽车环球科技运作有限责任公司 | 制造燃料电池的方法 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3920018B2 (ja) * | 2000-10-19 | 2007-05-30 | 本田技研工業株式会社 | 燃料電池スタック |
DE10207909A1 (de) * | 2002-02-23 | 2003-09-04 | Behr Gmbh & Co | Brennstoffzelle sowie Verfahren zur Herstellung |
KR101127028B1 (ko) * | 2003-11-19 | 2012-03-26 | 아쿠아훼아리 가부시키가이샤 | 연료 전지 |
US20050173833A1 (en) * | 2004-02-05 | 2005-08-11 | Dale Cummins | Method of forming bipolar plate modules |
JP5130623B2 (ja) | 2005-12-15 | 2013-01-30 | トヨタ自動車株式会社 | 燃料電池およびガスケット |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6039770A (ja) * | 1983-08-11 | 1985-03-01 | Matsushita Electric Ind Co Ltd | 燃料電池 |
US4514475A (en) * | 1984-03-30 | 1985-04-30 | The United States Of America As Represented By The United States Department Of Energy | Fuel cell separator with compressible sealing flanges |
JPH01309264A (ja) * | 1988-06-06 | 1989-12-13 | Sanyo Electric Co Ltd | 燃料電池の製法 |
CH677847A5 (zh) * | 1989-05-12 | 1991-06-28 | Asea Brown Boveri | |
JPH06251780A (ja) * | 1993-02-26 | 1994-09-09 | Fuji Electric Co Ltd | 固体高分子電解質型燃料電池 |
US5686200A (en) * | 1993-12-22 | 1997-11-11 | Ballard Power Systems Inc. | Electrochemical fuel cell assembly with compliant compression mechanism |
DE4442285C1 (de) * | 1994-11-28 | 1996-02-08 | Siemens Ag | Brennstoffzellen und daraus bestehende Brennstoffzellenbatterien |
DE19542475C2 (de) * | 1995-11-15 | 1999-10-28 | Ballard Power Systems | Polymerelektrolytmembran-Brennstoffzelle sowie Verfahren zur Herstellung einer Verteilerplatte für eine solche Zelle |
JPH10261423A (ja) * | 1997-03-18 | 1998-09-29 | Matsushita Electric Ind Co Ltd | 燃料電池 |
CA2296384C (en) * | 1997-07-16 | 2004-09-28 | Ballard Power Systems Inc. | Resilient seal for membrane electrode assembly (mea) in an electrochemical fuel cell and method of making same |
JP3951484B2 (ja) * | 1998-12-16 | 2007-08-01 | トヨタ自動車株式会社 | 燃料電池 |
-
1999
- 1999-01-28 DE DE19903352A patent/DE19903352C2/de not_active Expired - Fee Related
-
2000
- 2000-01-11 DE DE50001040T patent/DE50001040D1/de not_active Expired - Fee Related
- 2000-01-11 CA CA002359733A patent/CA2359733A1/en not_active Abandoned
- 2000-01-11 CN CN00803205A patent/CN1339179A/zh active Pending
- 2000-01-11 ES ES00903506T patent/ES2190401T3/es not_active Expired - Lifetime
- 2000-01-11 EP EP00903506A patent/EP1153451B1/de not_active Expired - Lifetime
- 2000-01-11 AT AT00903506T patent/ATE230895T1/de not_active IP Right Cessation
- 2000-01-11 JP JP2000596615A patent/JP2002536789A/ja not_active Withdrawn
- 2000-01-11 WO PCT/DE2000/000076 patent/WO2000045454A1/de active IP Right Grant
- 2000-01-11 DK DK00903506T patent/DK1153451T3/da active
-
2001
- 2001-07-30 US US09/918,191 patent/US6638656B2/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100344022C (zh) * | 2002-04-03 | 2007-10-17 | 3M创新有限公司 | 用于自动化叠置燃料电池的材料层的装置和方法 |
CN1871731B (zh) * | 2003-09-20 | 2013-03-13 | 乌米科雷股份两合公司 | 含有一体化密封材料的催化剂涂覆的膜及由此制备的膜电极组件 |
CN110176615A (zh) * | 2018-02-20 | 2019-08-27 | 通用汽车环球科技运作有限责任公司 | 制造燃料电池的方法 |
CN110176615B (zh) * | 2018-02-20 | 2022-05-13 | 通用汽车环球科技运作有限责任公司 | 制造燃料电池的方法 |
Also Published As
Publication number | Publication date |
---|---|
CA2359733A1 (en) | 2000-08-03 |
EP1153451B1 (de) | 2003-01-08 |
JP2002536789A (ja) | 2002-10-29 |
US20020015873A1 (en) | 2002-02-07 |
ES2190401T3 (es) | 2003-08-01 |
DE50001040D1 (de) | 2003-02-13 |
WO2000045454A1 (de) | 2000-08-03 |
DK1153451T3 (da) | 2003-04-22 |
ATE230895T1 (de) | 2003-01-15 |
US6638656B2 (en) | 2003-10-28 |
DE19903352C2 (de) | 2000-11-23 |
EP1153451A1 (de) | 2001-11-14 |
DE19903352A1 (de) | 2000-08-10 |
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