JPH09289029A - Gas seal structure, cooling part structure, and stack for solid polymer electrolyte type fuel cell - Google Patents
Gas seal structure, cooling part structure, and stack for solid polymer electrolyte type fuel cellInfo
- Publication number
- JPH09289029A JPH09289029A JP8102462A JP10246296A JPH09289029A JP H09289029 A JPH09289029 A JP H09289029A JP 8102462 A JP8102462 A JP 8102462A JP 10246296 A JP10246296 A JP 10246296A JP H09289029 A JPH09289029 A JP H09289029A
- Authority
- JP
- Japan
- Prior art keywords
- polymer electrolyte
- fuel cell
- adhesive
- gas
- electrolyte fuel
- 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.)
- Pending
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
- H01M8/02—Details
- H01M8/0271—Sealing or supporting means around electrodes, matrices or membranes
-
- 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
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、固体高分子型燃料電池
用ガスシール構造、冷却部構造及びスタックに係り、特
に各プレート、各部材のガスシール性を向上させた固体
高分子型燃料電池用ガスシール構造、冷却部構造及びス
タックに関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a gas seal structure for a polymer electrolyte fuel cell, a cooling part structure and a stack, and more particularly to a polymer electrolyte fuel cell in which the gas sealability of each plate and each member is improved. The present invention relates to a gas seal structure, a cooling part structure, and a stack.
【０００２】[0002]
【従来の技術】固体高分子型燃料電池に於けるカーボン
プレート積層時のガスシール方法としては、通常Ｏリン
グ方式又はフラットガスケット方式が採用される。Ｏリ
ング方式は、図10のａに示すようにガスシールすべき個
所の片方にＯリング溝30を設け、これに例えばニトリル
ゴムのＯリング31を設け、図10のｂに示すように加圧
し、シールする方式であり、フラットガスケット方式
は、図11のａに示すようにガスシールすべき個所の間に
ニトリルゴムのフラット型のガスケット32を配置し、こ
れを図11のｂに示すように加圧し、シールする方式であ
る。2. Description of the Related Art As a gas sealing method for stacking carbon plates in a polymer electrolyte fuel cell, an O-ring method or a flat gasket method is usually adopted. In the O-ring system, an O-ring groove 30 is provided on one side of a portion to be gas-sealed as shown in FIG. 10A, and an O-ring 31 made of nitrile rubber is provided in this, and pressure is applied as shown in FIG. 10B. In the flat gasket method, as shown in FIG. 11a, a nitrile rubber flat type gasket 32 is arranged between the parts to be gas-sealed, and as shown in FIG. 11b. It is a method of pressurizing and sealing.
【０００３】ところで、シール材としてＯリング31を用
いる場合、シール性は良いが、Ｏリング溝30を設ける必
要があり、カーボンプレートが溝深さ以上の厚みを必要
として、カーボンプレートが厚くなった。また、シール
材としてフラット型のガスケット32を用いる場合、面圧
を上げる為に大きな加圧力を必要とした。しかもシール
性を良くする為には厚いガスケット32を必要とした。さ
らに、このように積層したカーボンプレートでガスシー
ル構造、冷却部構造及びスタックを構成した場合、ガス
シール構造、冷却部構造及びスタックは厚くなり、コス
トも高くなった。従って、スタックに対する軽量化、薄
型化、小型化、低コスト化の要求に対応できなかった。By the way, when the O-ring 31 is used as the sealing material, the O-ring groove 30 needs to be provided although the sealing property is good, but the carbon plate needs to have a thickness larger than the groove depth, and the carbon plate becomes thick. . Further, when the flat gasket 32 is used as the sealing material, a large pressure is required to increase the surface pressure. Moreover, a thick gasket 32 was required to improve the sealing performance. Furthermore, when the gas seal structure, the cooling unit structure and the stack are formed by the carbon plates laminated in this way, the gas seal structure, the cooling unit structure and the stack are thick and the cost is high. Therefore, it has not been possible to meet the demand for weight reduction, thickness reduction, size reduction, and cost reduction of the stack.
【０００４】[0004]
【発明が解決しようとする課題】そこで本発明は、ガス
シールの確実化、簡素化を図ることができ、また組立品
の軽量化、薄型化、小型化、低コスト化を図ることので
きる固体高分子型燃料電池用ガスシール構造、冷却部構
造及びスタックを提供しようとするものである。SUMMARY OF THE INVENTION Therefore, the present invention is a solid structure which can ensure and simplify a gas seal, and can reduce the weight, thickness, size and cost of an assembly. An object of the present invention is to provide a gas seal structure, a cooling part structure and a stack for a polymer fuel cell.
【０００５】[0005]
【課題を解決するための手段】上記課題を解決するため
の本発明の固体高分子型燃料電池用ガスシール構造の１
つは、１枚のガスプレートの燃料ガス溝側と他の１枚の
ガスプレートの酸化剤ガス溝側の間に、その中央部に触
媒層及び多孔質基板を有する固体高分子電解質膜が介在
されて、これらの周囲が接着剤又はシート状両面接着剤
にて接着積層されてなるものである。[Means for Solving the Problems] 1 of a gas seal structure for a polymer electrolyte fuel cell according to the present invention for solving the above problems.
One is a solid polymer electrolyte membrane having a catalyst layer and a porous substrate at the center between the fuel gas groove side of one gas plate and the oxidant gas groove side of the other gas plate. Then, the periphery thereof is adhered and laminated with an adhesive or a sheet-shaped double-sided adhesive.
【０００６】本発明の固体高分子型燃料電池用冷却部構
造の１つは、１枚の冷却水プレートの冷却水溝側と他の
１枚の冷却水プレートの冷却水溝側を対向させ、これら
の周囲が接着剤又はシート状両面接着剤にて接着積層さ
れてなるものである。One of the cooling unit structures for polymer electrolyte fuel cells of the present invention is such that the cooling water groove side of one cooling water plate and the cooling water groove side of another cooling water plate face each other, The periphery of these is bonded and laminated with an adhesive or a sheet-shaped double-sided adhesive.
【０００７】本発明の固体高分子型燃料電池用冷却部構
造の他の１つは、１枚の冷却水プレートの冷却水溝側と
他の１枚の溝のない平板プレートを対向させ、これらの
周囲が接着剤又はシート状両面接着剤にて接着積層され
てなるものである。Another structure of the cooling unit for a polymer electrolyte fuel cell of the present invention is such that one cooling water plate side and another cooling plate side not facing each other face each other. The periphery of is adhered and laminated with an adhesive or a sheet-like double-sided adhesive.
【０００８】本発明の固体高分子型燃料電池用スタック
の１つは、前記各種の固体高分子型燃料電池用ガスシー
ル構造及び冷却部構造が選択的に用いられ、これらの周
囲が接着剤又はシート状両面接着剤にて接着積層されて
なるものである。In one of the polymer electrolyte fuel cell stacks of the present invention, the gas seal structure and the cooling part structure for various polymer electrolyte fuel cells described above are selectively used, and the periphery thereof is an adhesive or It is a sheet-shaped double-sided adhesive that is adhesively laminated.
【０００９】本発明の高分子型燃料電池用スタックの他
の１つは、上記スタックが、両端のエンドプレートと周
囲が接着剤又はシート状両面接着剤にて接着積層されて
なるものである。Another one of the polymer fuel cell stacks of the present invention is one in which the above-mentioned stack is adhered and laminated around the end plates at both ends with an adhesive or a sheet-shaped double-sided adhesive.
【００１０】[0010]
【作用】上記のように本発明の種々の固体高分子型燃料
電池用ガスシール構造及び冷却部構造は、固体高分子電
解質膜を介在して２枚のガス溝を有するガスプレート
や、２枚の冷却水溝を有する冷却水プレートの周囲を接
着剤又はシート状両面接着剤にて接着積層したものであ
るから、組立上、初期に加圧し、密着させた後は、接着
剤の密着力により密着し、ガスシールを行っているの
で、確実で且つ簡素なガスシールが実現する。しかも組
立が容易で、工数が極めて少ないので、組立加工性が良
くなる。その上、従来のようなガスシールの為のＯリン
グ溝を設ける必要が無くなって、セルの薄型化とコスト
ダウンが達成される。As described above, the gas seal structure and cooling part structure for various polymer electrolyte fuel cells of the present invention have a gas plate having two gas grooves and two gas grooves with a solid polymer electrolyte membrane interposed therebetween. Since the periphery of the cooling water plate having the cooling water groove is adhered and laminated with an adhesive or a sheet-shaped double-sided adhesive, pressure is applied in the initial stage during assembly, and after adhesion, the adhesive strength of the adhesive Since they are in close contact with each other and the gas is sealed, a reliable and simple gas seal is realized. Moreover, since the assembling is easy and the man-hours are extremely small, the assembling workability is improved. Moreover, it is not necessary to provide an O-ring groove for gas sealing as in the conventional case, and the cell can be made thinner and the cost can be reduced.
【００１１】また、上記のように本発明の固体高分子型
燃料電池用スタックは、種々の固体高分子型燃料電池用
ガスシール構造及び冷却部構造を選択的に用い、これら
の周囲を、及びエンドプレートとの周囲も接着剤又はシ
ート状両面接着剤にて接着積層したものであるから、同
様に確実で且つ簡素なガスシールが実現し、しかも組立
が容易で、工数が極めて少ないので、スタックの組立加
工性が良く、その上、ガスシールの為のＯリング溝を設
ける必要が無くなって、スタックの薄型化、軽量化、小
型化、ひいてはこれまでと同高であれば多層化が図ら
れ、コストも低減できる。Further, as described above, the stack for a polymer electrolyte fuel cell of the present invention selectively uses various gas seal structures and cooling part structures for polymer electrolyte fuel cells, and the periphery of them is Since the periphery of the end plate is also adhesively laminated with an adhesive or sheet-shaped double-sided adhesive, a reliable and simple gas seal can be realized, and the assembly is easy and the man-hours are extremely small. Assembling workability is good, and in addition, it is not necessary to provide an O-ring groove for gas sealing, and the stack can be made thinner, lighter, smaller, and even multi-layered if the height is the same as before. Also, the cost can be reduced.
【００１２】[0012]
【実施例】本発明の固体高分子型燃料電池用ガスシール
構造、冷却部構造及びスタックの実施例を図によって説
明する。EXAMPLES Examples of a gas seal structure for a polymer electrolyte fuel cell, a cooling unit structure and a stack of the present invention will be described with reference to the drawings.
【００１３】図１は固体高分子型燃料電池用ガスシール
構造の１つで、このガスシール構造１は、図２に示すよ
うに中央部にガス溝２を有し、ガス溝２を挾んで前後両
側にＨ2 導入口３、冷却水導入口４、Ｏ2 導入口５とＯ
2 導出口６、冷却水導出口７、Ｈ2 導出口８が並列に対
向して設けられ、四隅に位置決め穴９が設けられた厚さ
2.4mm、一辺 120mmの方形のガスプレート10の間に、図
３に示すように固体高分子電解質膜11の両面中央部に前
記ガス溝と同じ大きさの触媒層12が設けられ、その外面
にカーボンペーパー13が設けられ、固体高分子電解質膜
11の両面周囲にカーボンプレート14が設けられ、四隅に
位置決め穴15が設けられてなる厚さ 1.0mm、一辺 120mm
の方形でこれを介在して、これらの周囲が図４に示すよ
うに中央部に前記ガス溝と同じ大きさの透孔17を有し、
透孔17を挾んで両側に前記ガスプレート10と同様にＨ2
導入口３′、冷却水導入口４′、Ｏ2 導入口５′とＯ2
導出口６′、冷却水導出口７′、Ｈ2 導出口８′が並列
に対向して設けられ、四隅に位置決め穴９′が設けられ
た厚さ50μｍ、一辺 120mmの方形のシート状両面接着剤
18にて、図１に示すように接着積層されてなるものであ
る。FIG. 1 shows one of the gas seal structures for a polymer electrolyte fuel cell. The gas seal structure 1 has a gas groove 2 in the central portion as shown in FIG. H 2 inlet 3, cooling water inlet 4, O 2 inlet 5 and O on both front and rear sides
2 Outlet 6, cooling water outlet 7, H 2 outlet 8 are provided in parallel facing each other, and positioning holes 9 are provided at the four corners.
As shown in FIG. 3, a catalyst layer 12 of the same size as the gas groove is provided in the central portion of both sides of the solid polymer electrolyte membrane 11 between the square gas plates 10 having a size of 2.4 mm and a side of 120 mm, and on the outer surface thereof. Carbon paper 13 is provided, solid polymer electrolyte membrane
A carbon plate 14 is provided around both sides of 11 and positioning holes 15 are provided at four corners. Thickness 1.0 mm, side 120 mm
With this as a square shape, the periphery of these has a through hole 17 of the same size as the gas groove in the center as shown in FIG.
Both sides of the through hole 17 are separated by H 2 on both sides in the same manner as the gas plate 10.
Inlet 3 ', cooling water inlet 4', O 2 inlet 5'and O 2
A sheet-shaped double-sided adhesive with a thickness of 50 μm and a side of 120 mm, provided with outlets 6 ′, cooling water outlets 7 ′, H 2 outlets 8 ′ facing in parallel and positioning holes 9 ′ provided at the four corners. Agent
At 18, it is laminated by adhesion as shown in FIG.
【００１４】図５は固体高分子型燃料電池用セル冷却部
構造の１つで、この冷却部構造20は、図６に示すように
中央部に冷却水溝21を有し、冷却水溝21を挾んで両側に
Ｈ2導入口３、冷却水導入口４、Ｏ2 導入口５とＯ2 導
出口６、冷却水導出口７、Ｈ2 導出口８が並列に対向し
て設けられ、四隅に位置決め穴９が設けられた厚さ2.4m
m、一辺 120mmの方形の冷却水プレート22と22′を冷却
水用溝を対向させ、これらの周囲が図４に示されるシー
ト状両面接着剤18にて図５に示すように接着積層されて
なるものである。FIG. 5 is one of the cell cooling unit structures for polymer electrolyte fuel cells, and this cooling unit structure 20 has a cooling water groove 21 in the central portion as shown in FIG. The H 2 inlet 3, the cooling water inlet 4, the O 2 inlet 5 and the O 2 outlet 6, the cooling water outlet 7, and the H 2 outlet 8 are provided in parallel on both sides of the four corners. 2.4m thickness with positioning hole 9
The rectangular cooling water plates 22 and 22 'each having a side length of 120 mm and a groove for cooling water are made to face each other, and their periphery is bonded and laminated with the sheet-like double-sided adhesive 18 shown in FIG. 4 as shown in FIG. It will be.
【００１５】図７は、固体高分子型燃料電池用冷却部構
造の他の１つで、この冷却部構造23は、図６に示される
冷却水プレート22の冷却水用溝と図12に示される溝のな
い平板プレート28を対向させ、これらの周囲が図４に示
されるシート状両面接着剤18にて図７に示すように接着
積層されてなるものである。FIG. 7 shows another example of the cooling unit structure for the polymer electrolyte fuel cell. This cooling unit structure 23 is shown in FIG. 12 and the cooling water groove of the cooling water plate 22 shown in FIG. The flat plates 28 having no groove are opposed to each other, and the periphery thereof is adhesively laminated with the sheet-shaped double-sided adhesive 18 shown in FIG. 4 as shown in FIG.
【００１６】図８は、固体高分子型燃料電池用スタック
の１つで、このスタック25は図１のガスシール構造１、
図５の冷却部構造20、図７の冷却部構造23が選択的に図
８に例示するように用いられ、これらの周囲が図４に示
されるシート状両面接着剤18にて図８に示すように接着
積層されてなるものである。FIG. 8 shows one of the polymer electrolyte fuel cell stacks. This stack 25 is the gas seal structure 1 of FIG.
The cooling part structure 20 of FIG. 5 and the cooling part structure 23 of FIG. 7 are selectively used as illustrated in FIG. 8, and the periphery thereof is shown in FIG. 8 by the sheet-like double-sided adhesive 18 shown in FIG. As described above, they are laminated by adhesion.
【００１７】図９は、固体高分子型燃料電池用スタック
の他の１つで、このスタック26は、図８のスタック25が
両端に配される図９のエンドプレート27、27と周囲が図
４に示されるシート状両面接着剤18にて図９に示すよう
接着されてなるものである。FIG. 9 shows another one of the polymer electrolyte fuel cell stacks. This stack 26 has the end plates 27 and 27 of FIG. The sheet-like double-sided adhesive 18 shown in FIG.
【００１８】上記のように実施例の固体高分子型燃料電
池用ガスシール構造１は、中央部に触媒層及び多孔質基
板を有する固体高分子電解質膜を介在してガスプレート
10の溝側同士、冷却部構造20は冷却水プレート22の溝側
同士、冷却部構造23は冷却水プレート22の溝側と溝のな
い平板10の面を対向させ、それぞれの周囲をシート状両
面接着剤18にて接着積層したものであるから、組立上、
初期に加圧し、密着させた後は、接着剤18の密着力に密
着し、ガスシールされた。従って、確実で簡素なガスシ
ール機能を有する固体高分子型燃料電池用シール構造及
び冷却部構造１、20、23となった。As described above, the gas seal structure 1 for a polymer electrolyte fuel cell of the embodiment has a gas plate with a solid polymer electrolyte membrane having a catalyst layer and a porous substrate in the center.
The groove sides of 10, the cooling part structure 20 is the groove sides of the cooling water plate 22, and the cooling part structure 23 is the groove side of the cooling water plate 22 and the surface of the flat plate 10 without the groove face each other, and the periphery of each is sheet-like. Since it is adhesively laminated with double-sided adhesive 18, on assembly
After the pressure was applied in the initial stage to bring them into close contact, they were brought into close contact with the adhesive force of the adhesive 18 and gas-sealed. Therefore, the sealing structure for the polymer electrolyte fuel cell and the cooling part structures 1, 20, and 23 have a reliable and simple gas sealing function.
【００１９】また、上記のように実施例の固体高分子型
燃料電池用スタック25、26は、上記シール構造及び冷却
部構造１、20、23を選択的に用い、これらの周囲を、及
びエンドプレート27との周囲もシート状両面接着剤18に
て接着積層したものであるからガスシール構造及び冷却
部構造１、20、23と同様に確実で簡素なガスシール機能
を有する固体高分子型燃料電池用スタック25、26とな
り、これらを実際に燃料電池に使用した処、ガスリーク
が発生しなかった。また、ヒート・サイクルに対して接
着剤18が応力吸収を行う為、ヒート・サイクル後ガスリ
ークの発生は無かった。In addition, as described above, the stacks 25 and 26 for polymer electrolyte fuel cells of the embodiment selectively use the seal structure and the cooling part structures 1, 20 and 23, and surround them and the ends. Since the periphery of the plate 27 is also adhered and laminated with the sheet-shaped double-sided adhesive 18, a solid polymer fuel having a reliable and simple gas sealing function similar to the gas seal structure and the cooling part structures 1, 20, 23. The cell stacks 25 and 26 were obtained, and when these were actually used in the fuel cell, no gas leak occurred. Further, since the adhesive 18 absorbs stress in the heat cycle, no gas leak occurred after the heat cycle.
【００２０】尚、上記実施例で使用されているシート状
両面接着剤18は、アクリル系、ゴム系を主とし、両面に
剥離紙が接着された状態でプレス抜きされて、パターン
形成され、使用時に剥離紙が剥がされて接着されるもの
で、この接着作業は位置決め治具上の四隅の位置決めピ
ンに、ガスプレート10、冷却水プレート22などが四隅の
位置決め穴９、15を嵌合の上、シート状両面接着剤18も
四隅の位置決め穴９′を嵌合して、ラバー又はスポンジ
等よりなる押しつけ治具により加圧して行われる。The sheet-shaped double-sided adhesive 18 used in the above embodiments is mainly acrylic or rubber-based, and is press-punched with a release paper adhered on both sides to form a pattern and used. At this time, the release paper is peeled off and adhered. In this adhesion work, the positioning pins 9 at the four corners on the positioning jig are fitted to the positioning pins 9 and 15 at the four corners by the gas plate 10 and the cooling water plate 22. The sheet-shaped double-sided adhesive 18 is also fitted in the positioning holes 9'at the four corners and pressed by a pressing jig made of rubber or sponge.
【００２１】[0021]
【発明の効果】以上の説明で判るように本発明の各種の
固体高分子型燃料電池用ガスシール構造及び冷却部構造
は、電極膜複合体を介在してガス用プレート同士及び冷
却水用プレート同士の周囲を接着剤又はシート状両面接
着剤にて接着したものであるから、組立上、初期に加圧
し、密着させた後は、接着剤の密着力により密着し、ガ
スシールを行っているので、確実で且つ簡素なガスシー
ル機能を有する固体高分子型燃料電池用セルが実現す
る。しかも組立が容易で、工数が少ないので、組立加工
性が良くなる。その上、従来のようにガスシールの為の
Ｏリング溝を設ける必要が無くなって、薄型化とコスト
ダウンが達成される。As can be seen from the above description, the gas seal structure and cooling part structure for various polymer electrolyte fuel cells of the present invention have gas plate plates and cooling water plates with an electrode membrane composite interposed. Since the periphery of each other is adhered with an adhesive or a sheet-shaped double-sided adhesive, after assembly, pressure is applied in the initial stage, and after they are brought into close contact, they are brought into close contact by the adhesive force of the adhesive and gas sealing is performed. Therefore, a polymer electrolyte fuel cell having a reliable and simple gas sealing function is realized. Moreover, since the assembling is easy and the man-hour is small, the assembling workability is improved. In addition, it is not necessary to provide an O-ring groove for gas sealing as in the conventional case, so that thinning and cost reduction can be achieved.
【００２２】また、本発明の固体高分子型燃料電池用ス
タックは、上記の各種のガスシール構造及び冷却部構造
選択的に用い、これらの周囲を、及びエンドプレートと
の周囲も接着剤又はシート状両面接着剤にて接着積層し
たものであるから、同様に確実で且つ簡素なガスシール
機能を有する固体高分子型燃料電池用スタックが実現す
る。しかも組立が容易で、工数が少ないので、スタック
の組立加工性が良くなる。その上、ガスシールの為のＯ
リング溝を設ける必要が無くなって、スタックの薄型
化、軽量化、小型化ひいてはこれまでと同高であれば多
層化が図られ、コストも低減できる。Further, the polymer electrolyte fuel cell stack of the present invention is selectively used with the above-mentioned various gas seal structures and cooling part structures, and the periphery thereof and the periphery of the end plate are also adhesive or sheet. Since they are adhered and laminated with a double-sided adhesive agent, a polymer electrolyte fuel cell stack having a reliable and simple gas sealing function is realized. Moreover, since the assembling is easy and the man-hours are small, the assembling workability of the stack is improved. Besides, O for gas seal
Since it is not necessary to provide a ring groove, the stack can be made thinner, lighter and more compact, and if the height is the same as before, a multilayer structure can be achieved and the cost can be reduced.
【図１】本発明の固体高分子型燃料電池用ガスシール構
造の１つの実施例を示す図である。FIG. 1 is a diagram showing one embodiment of a gas seal structure for a polymer electrolyte fuel cell of the present invention.
【図２】ガスプレートを示す図である。FIG. 2 is a diagram showing a gas plate.
【図３】中央部に触媒層及び多孔質基板を有した固体高
分子電解質膜を示す図である。FIG. 3 is a diagram showing a solid polymer electrolyte membrane having a catalyst layer and a porous substrate in the central portion.
【図４】シート状両面接着剤を示す図である。FIG. 4 is a view showing a sheet-shaped double-sided adhesive.
【図５】本発明の固体高分子型燃料電池用冷却部構造の
１つの実施例を示す図である。FIG. 5 is a diagram showing one embodiment of a cooling unit structure for a polymer electrolyte fuel cell of the present invention.
【図６】冷却水プレートを示す図である。FIG. 6 is a view showing a cooling water plate.
【図７】本発明の固体高分子型燃料電池用冷却構造の他
の１つの実施例を示す図である。FIG. 7 is a view showing another embodiment of the cooling structure for polymer electrolyte fuel cells of the present invention.
【図８】本発明の固体高分子型燃料電池用スタックの１
つの実施例を示す図である。FIG. 8: 1 of polymer electrolyte fuel cell stack of the present invention
And FIG.
【図９】本発明の固体高分子型燃料電池用スタックの他
の１つの実施例を示す図である。FIG. 9 is a view showing another embodiment of the polymer electrolyte fuel cell stack of the present invention.
【図10】従来の固体高分子型燃料電池に於けるカーボン
プレート積層時のガスシール方法の１つを示すもので、
ａはシール前、ｂはシール後の状態の部分断面図であ
る。FIG. 10 shows one of gas sealing methods for stacking carbon plates in a conventional polymer electrolyte fuel cell,
3A is a partial cross-sectional view of a state before sealing and b is a state after sealing.
【図11】従来の固体高分子型燃料電池に於けるカーボン
プレート積層時のガスシール方法の他の１つを示すもの
で、ａはシール前、ｂはシール後の状態の部分断面図で
ある。FIG. 11 shows another method of gas sealing when stacking carbon plates in a conventional polymer electrolyte fuel cell, where a is a partial cross-sectional view before sealing and b is a state after sealing. .
【図12】平板（溝なし）プレートを示す図である。FIG. 12 is a view showing a flat plate (without grooves).
１ 固体高分子型燃料電池用ガスシール構造 10 ガスプレート 18 シート状両面接着剤 20 固体高分子型燃料電池用冷却部構造 22 冷却水プレート 23 固体高分子型燃料電池用冷却部構造 25、26 固体高分子型燃料電池用スタック 27 エンドプレート 28 平板（溝なし）プレート 1 Gas seal structure for polymer electrolyte fuel cell 10 Gas plate 18 Sheet-shaped double-sided adhesive 20 Cooling structure for polymer electrolyte fuel cell 22 Cooling water plate 23 Cooling structure for polymer electrolyte fuel cell 25, 26 Solid Polymer fuel cell stack 27 End plate 28 Flat plate (without groove) plate
Claims (5)
の１枚のガスプレートの酸化剤ガス溝側の間に、その中
央部に触媒層及び多孔質基板を有する固体高分子電解質
膜が介在されて、これらの周囲が接着剤又はシート状両
面接着剤にて接着積層されてなる固体高分子型燃料電池
用ガスシール構造。1. A solid polymer electrolyte membrane having a catalyst layer and a porous substrate in the center thereof between the fuel gas groove side of one gas plate and the oxidant gas groove side of the other gas plate. A gas seal structure for a polymer electrolyte fuel cell, in which the periphery thereof is adhered and laminated with an adhesive or a sheet-like double-sided adhesive.
他の１枚の冷却水プレートの冷却水用溝側を対向させ、
これらの周囲が接着剤又はシート状両面接着剤にて接着
積層されてなる固体高分子型燃料電池用冷却部構造。2. A cooling water groove side of one cooling water plate and a cooling water groove side of another one cooling water plate are opposed to each other,
A cooling unit structure for a polymer electrolyte fuel cell in which the periphery of these is bonded and laminated with an adhesive or a sheet-shaped double-sided adhesive.
の１枚の溝のない平板プレートを対向させ、これらの周
囲が接着剤又はシート状両面接着剤にて接着積層されて
なる固体高分子型燃料電池用冷却部構造。3. A cooling water groove side of one cooling water plate is opposed to another cooling plate flat plate having no groove, and the periphery thereof is adhesively laminated with an adhesive or a sheet-like double-sided adhesive. Cooling structure for polymer electrolyte fuel cells.
ガスシール構造及び冷却部構造が選択的に用いられ、こ
れらの周囲が接着剤又はシート状両面接着剤にて接着積
層されてなる固体高分子型燃料電池用スタック。4. The gas seal structure and cooling part structure for a polymer electrolyte fuel cell according to claim 1 to 3 are selectively used, and their periphery is bonded and laminated with an adhesive or a sheet-shaped double-sided adhesive. Stack for polymer electrolyte fuel cells.
スタックが、両端のエンドプレートと周囲が接着剤又は
シート状両面接着剤にて接着されていることを特徴とす
る固体高分子型燃料電池用スタック。5. The polymer electrolyte fuel cell stack according to claim 4, wherein the end plates at both ends and the periphery are adhered with an adhesive or a sheet-like double-sided adhesive. Fuel cell stack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8102462A JPH09289029A (en) | 1996-04-24 | 1996-04-24 | Gas seal structure, cooling part structure, and stack for solid polymer electrolyte type fuel cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8102462A JPH09289029A (en) | 1996-04-24 | 1996-04-24 | Gas seal structure, cooling part structure, and stack for solid polymer electrolyte type fuel cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH09289029A true JPH09289029A (en) | 1997-11-04 |
Family
ID=14328134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8102462A Pending JPH09289029A (en) | 1996-04-24 | 1996-04-24 | Gas seal structure, cooling part structure, and stack for solid polymer electrolyte type fuel cell |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH09289029A (en) |
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