JPH0610985B2 - Fuel cell manufacturing method - Google Patents
Fuel cell manufacturing methodInfo
- Publication number
- JPH0610985B2 JPH0610985B2 JP59140539A JP14053984A JPH0610985B2 JP H0610985 B2 JPH0610985 B2 JP H0610985B2 JP 59140539 A JP59140539 A JP 59140539A JP 14053984 A JP14053984 A JP 14053984A JP H0610985 B2 JPH0610985 B2 JP H0610985B2
- Authority
- JP
- Japan
- Prior art keywords
- cooling
- fuel cell
- cooler
- plate
- plates
- 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.)
- Expired - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
- H01M8/04067—Heat exchange or temperature measuring elements, thermal insulation, e.g. heat pipes, heat pumps, fins
- H01M8/04074—Heat exchange unit structures specially adapted for fuel cell
-
- 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
Description
【発明の詳細な説明】 〔発明の利用分野〕 本発明は燃料電池に係り、特に、燃料極と酸化極との間
に電解質を保有するマトリックスを配置した単位セルの
複数個毎に冷却器を挿入積層した燃料電池の製造方法に
関する。Description: FIELD OF THE INVENTION The present invention relates to a fuel cell, and more particularly to a cooler for each of a plurality of unit cells in which a matrix containing an electrolyte is arranged between a fuel electrode and an oxidizing electrode. The present invention relates to a method for manufacturing an insertion-stacked fuel cell.
燃料電池の電池本体は第１図に示すように、空気の流通
溝１が設けられた陰極３と水素を主体とした燃料ガスの
流通溝２が設けられた陽極４、および、これら両極間に
配置する電解質５から成る単位セル９をセパレータ６を
介して複数個積層したものである。このような燃料電池
では大容量化が図れるが、発熱密度が高くなるので、電
池冷却が必要となる。このため、積層単位セルの数セル
に一個の割合で冷却器７を挿入し冷却を図り、これらの
積層体の側面側にガス供給用のマニホールド８を設けた
構造となつている。As shown in FIG. 1, the cell body of the fuel cell has a cathode 3 provided with an air flow groove 1 and an anode 4 provided with a fuel gas flow groove 2 mainly containing hydrogen, and between both electrodes. A plurality of unit cells 9 composed of the electrolyte 5 to be arranged are laminated with a separator 6 in between. Although such a fuel cell can have a large capacity, it has a high heat generation density and thus requires cooling of the cell. For this reason, the cooling device 7 is inserted at a ratio of one to several cells of the laminated unit cell for cooling, and the manifold 8 for gas supply is provided on the side surface side of these laminated bodies.
この冷却器７の機能として、(1)熱を効率良く外部に放
出すること、(2)冷却器７の両側に積層された単位セル
間を電気的に接続し、かつ、冷却媒体とは絶縁するこ
と、(3)マニホールドと冷却器の当る面はシール性を保
持する構造であることの三つが要求されている。The functions of the cooler 7 are: (1) efficient release of heat to the outside, (2) electrical connection between the unit cells stacked on both sides of the cooler 7, and insulation from the cooling medium. And (3) the contact surfaces of the manifold and the cooler must have a structure that maintains the sealing property.
これらの機能に関し、従来は、第２図に示すように、冷
却器７は銅製冷却管１０と黒鉛材加工の冷却管保持板１
１を接合剤で固定成形した構造であるため、銅製冷却管
１０の溶接加工および冷却管保持板１１の溝１２加工な
どに難点があつた。With respect to these functions, conventionally, as shown in FIG. 2, the cooler 7 has a copper cooling pipe 10 and a cooling pipe holding plate 1 made of a graphite material.
Since 1 has a structure in which it is fixed and molded with a bonding agent, there are difficulties in welding the cooling pipe 10 made of copper and processing the groove 12 in the cooling pipe holding plate 11.
本発明の目的は改良により加工性を向上し、効率よく電
池セルを冷却できる燃料電池の製造方法を提供するにあ
る。An object of the present invention is to provide a method for producing a fuel cell, which has improved processability and can efficiently cool battery cells.
本発明の要点は、ガス流通路を設けた燃料極と酸化極と
の間に電解質を保有するマトリックスを配置してなる単
位セルの複数個毎に冷却器を挿入積層する燃料電池の製
造方法において、冷却器は電気伝導性及び熱伝導性の良
い材料からなる２枚の冷却保持板の凹部に冷却媒体が流
通する冷却板を挿入し冷却保持板と同質の接合剤を冷却
保持板と冷却板の間及び２枚の冷却保持板の間に充填し
て固定成形することによつて作成し、冷却板は冷却媒体
流通路用の凹部を有すると共に２枚の冷却保持板を電気
的に接続するための開口部を設けた２枚の金属板を凹部
が内側になるように合わせて端部をシーム溶接により接
合しその外表面に絶縁層を形成することによつて作成す
ることにある。The point of the present invention is to provide a method of manufacturing a fuel cell in which a cooler is inserted and laminated for each of a plurality of unit cells in which a matrix containing an electrolyte is arranged between a fuel electrode provided with a gas flow passage and an oxidation electrode. , The cooler inserts the cooling plate through which the cooling medium circulates into the recess of the two cooling holding plates made of a material having good electric conductivity and thermal conductivity, and inserts the same bonding agent as the cooling holding plate between the cooling holding plate and the cooling plate. And a cooling plate having a recess for a cooling medium flow passage and an opening for electrically connecting the two cooling holding plates. The two metal plates provided with are aligned so that the recesses are on the inside, the ends are joined by seam welding, and the insulating layer is formed on the outer surface thereof.
以下、本発明の実施例を第３図ないし第７図を用いて説
明する。An embodiment of the present invention will be described below with reference to FIGS.
金属板に冷却媒体流通路用の凹部１９と開口部２０を形
成した冷却板１４を凹部１９を内側となるように合せ端
部２１をシーム溶接法により接合し、この外表面に弗素
化合物樹脂等を塗布し、冷却媒体と絶縁するための絶縁
層を形成し、黒鉛成形材等の電気伝導性及び熱伝導性の
良い材料で成形した冷却保持板１５の凹部１６に冷却板
１４を挿入し、冷却保持板１５と同質の接合剤を充填し
て固定成形することによって冷却器１３を製作し、単位
セル９の数セルに一個の割合で冷却器１３を挿入積層し
て電池本体を構成する。A cooling plate 14 having a recess 19 and an opening 20 for a cooling medium flow passage formed on a metal plate is joined by seam welding at a mating end 21 so that the recess 19 is located inside. Is applied to form an insulating layer for insulating the cooling medium, and the cooling plate 14 is inserted into the recess 16 of the cooling holding plate 15 formed of a material having good electrical conductivity and thermal conductivity, such as a graphite molding material, The cooler 13 is manufactured by filling and fixing the same bonding agent as that of the cooling holding plate 15, and the cooler 13 is inserted and laminated at a ratio of one to several cells of the unit cell 9 to form a battery body.
本発明によれば、冷却板製作時変形が少なく作業性が良
いので製作の自動化を図ることができて品質が向上す
る、運転時の熱変形が少ないのでマニホールドとのシー
ル性が良い、冷却板に開口部を設け該開口部を介して上
下の冷却保持板が電気的に直接接続される構造になって
いるので冷却器全体としての電気抵抗を小さくすること
ができ、電池性能を向上させることができるという特有
の作用効果を奏することができる。According to the present invention, since there is little deformation when manufacturing the cooling plate and the workability is good, the manufacturing can be automated and the quality is improved. Since there is little thermal deformation during operation, the sealing property with the manifold is good. Since the upper and lower cooling holding plates are electrically connected directly to each other through the opening, the electric resistance of the cooler as a whole can be reduced and the battery performance can be improved. It is possible to achieve a unique action and effect that is possible.
第１図は従来の燃料電池構成部品の概念図、第２図は従
来の冷却器の斜視図、第３図は本発明における燃料電池
構成部品の概念図、第４図は本発明の冷却器の斜視図、
第５図は本発明の冷却板の斜視図、第６図は第５図のVI
−VI矢視断面図、第７図は第５図のVII−VII矢視断面図
である。 ７……冷却器、１１……保持板、１３……冷却器、１４
……冷却板、１９……冷却媒体流通路、２０……開口。FIG. 1 is a conceptual diagram of a conventional fuel cell component, FIG. 2 is a perspective view of a conventional cooler, FIG. 3 is a conceptual diagram of a fuel cell component in the present invention, and FIG. 4 is a cooler of the present invention. Perspective view of
FIG. 5 is a perspective view of the cooling plate of the present invention, and FIG. 6 is a VI of FIG.
-VI arrow sectional view, FIG. 7 is a VII-VII arrow sectional view of FIG. 7 ... Cooler, 11 ... Holding plate, 13 ... Cooler, 14
...... Cooling plate, 19 ...... Cooling medium flow passage, 20 ...... Opening.
Claims (1)
に電解質を保有するマトリックスを配置してなる単位セ
ルの複数個毎に冷却器を挿入積層する燃料電池の製造方
法において、 前記冷却器は電気伝導性及び熱伝導性の良い材料からな
る２枚の冷却保持板の凹部に冷却媒体が流通する冷却板
を挿入し前記冷却保持板と同質の接合剤の前記冷却保持
板と前記冷却板の間及び前記２枚の冷却保持板の間に充
填して固定成形することによって作成し、前記冷却板は
冷却媒体流通路用の凹部を有すると共に前記２枚の冷却
保持板を電気的に接続するための開口部を設けた２枚の
金属板を前記凹部が内側になるように合わせて端部をシ
ーム溶接により接合しその外表面に絶縁層を形成するこ
とによつて作成することを特徴とする燃料電池の製造方
法。1. A method of manufacturing a fuel cell in which a cooler is inserted and laminated for each of a plurality of unit cells in which a matrix containing an electrolyte is arranged between a fuel electrode provided with a gas flow passage and an oxidation electrode, In the cooler, a cooling plate through which a cooling medium circulates is inserted into a recess of two cooling holding plates made of a material having good electric conductivity and thermal conductivity, and the cooling holding plate made of the same bonding agent as the cooling holding plate is used. It is prepared by filling and fixing between the cooling plates and between the two cooling holding plates, and the cooling plate has a recess for a cooling medium flow passage and electrically connects the two cooling holding plates. It is produced by aligning two metal plates provided with openings for use in such a manner that the recesses are on the inside, joining the ends by seam welding, and forming an insulating layer on the outer surface thereof. Method for manufacturing a fuel cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59140539A JPH0610985B2 (en) | 1984-07-09 | 1984-07-09 | Fuel cell manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59140539A JPH0610985B2 (en) | 1984-07-09 | 1984-07-09 | Fuel cell manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6122572A JPS6122572A (en) | 1986-01-31 |
| JPH0610985B2 true JPH0610985B2 (en) | 1994-02-09 |
Family
ID=15271021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59140539A Expired - Lifetime JPH0610985B2 (en) | 1984-07-09 | 1984-07-09 | Fuel cell manufacturing method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0610985B2 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02140760U (en) * | 1989-04-27 | 1990-11-26 | ||
| DE9210384U1 (en) * | 1992-08-04 | 1992-09-24 | Varta Batterie Ag, 3000 Hannover, De | |
| US5753384A (en) * | 1995-05-25 | 1998-05-19 | Electric Fuel (E.F.L.) Ltd. | Air-cooled metal-air battery |
| ITMI20041314A1 (en) * | 2004-06-30 | 2004-09-30 | Nuvera Fuel Cells Europ Srl | COOLING DEVICE FOR MEMBRANE FUEL CELLS |
| EP1736715A1 (en) * | 2005-06-23 | 2006-12-27 | Sgl Carbon Ag | Vacuum tube for solar collectors with improved heat transfer |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5887769A (en) * | 1981-11-17 | 1983-05-25 | Toshiba Corp | Laminated cooling plate for fuel cell |
| JPS58220368A (en) * | 1982-06-15 | 1983-12-21 | Toshiba Corp | Fuel cell |
-
1984
- 1984-07-09 JP JP59140539A patent/JPH0610985B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6122572A (en) | 1986-01-31 |
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