JPH0697616B2 - Laminated fuel cell - Google Patents
Laminated fuel cellInfo
- Publication number
- JPH0697616B2 JPH0697616B2 JP60183852A JP18385285A JPH0697616B2 JP H0697616 B2 JPH0697616 B2 JP H0697616B2 JP 60183852 A JP60183852 A JP 60183852A JP 18385285 A JP18385285 A JP 18385285A JP H0697616 B2 JPH0697616 B2 JP H0697616B2
- Authority
- JP
- Japan
- Prior art keywords
- plate
- separator
- fuel cell
- laminated
- electrode
- 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 - Fee Related
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
- H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
- H01M8/241—Grouping of fuel cells, e.g. stacking of fuel cells with solid or matrix-supported electrolytes
-
- 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
- H01M8/2457—Grouping of fuel cells, e.g. stacking of fuel cells with both reactants being gaseous or vaporised
-
- 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
- H01M8/2483—Details of groupings of fuel cells characterised by internal manifolds
-
- 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
Landscapes
- 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)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、保守点検に好適な積層燃料電池に関する。TECHNICAL FIELD The present invention relates to a laminated fuel cell suitable for maintenance and inspection.
燃料電池は、電池反応を利用するため、単セル当りの電
圧が低い。そこで、単セルを積層化して使用する積層燃
料電池が存在する。Since the fuel cell utilizes the cell reaction, the voltage per unit cell is low. Therefore, there is a stacked fuel cell in which single cells are stacked and used.
第６図にその一例を示す。この積層電池は、４層1A,1B,
1C,1Dより成り、これらを積層して端板４で押さえ、且
つ全体を枠体２の中に入れ、締付けナツト３で締付ける
構成とした。FIG. 6 shows an example thereof. This laminated battery consists of 4 layers 1A, 1B,
1C and 1D, which are laminated, pressed by the end plate 4, put into the frame 2 as a whole, and tightened by the tightening nut 3.
各層1A〜1Dは、ほぼ同様な構成より成る。第７図に単セ
ル1Bの分解図を示す。単セル1Bは、みぞ付セパレータ板
（又はバイポレータ板）10の一部、平板電極11、電解質
板12、平板電極13、みぞ付セパレータ板14の一部より成
る。この10,11,12,13を積層させて単セルを構成する。
みぞ付セパレータ板10,14は、ガス流路と共にガス分離
板でもあり、具体的にはその上下面には、縦と横方向に
燃料流路10B,10BA、空気流路10A,10AAを設けてある。図
では、燃料流路10BAからの燃料が、空気流路10Aからの
空気と反応し、その際のイオン化により電子（エレクト
ロン）の流れを電流として取出すこととしている。従つ
て、正確には、空気流路10A、平板電極11、電解質板1
2、平板電極13、燃料流路10BAとをもつて単セル1Bが構
成される。電圧の取出しは、平板電極11と平板電極13と
により端子を介して取出すことになる。Each of the layers 1A to 1D has a substantially similar structure. FIG. 7 shows an exploded view of the single cell 1B. The unit cell 1B comprises a part of a grooved separator plate (or a bipolar plate) 10, a flat plate electrode 11, an electrolyte plate 12, a flat plate electrode 13, and a grooved separator plate 14. These 10, 11, 12, and 13 are laminated to form a single cell.
The grooved separator plates 10 and 14 are also gas separation plates together with the gas flow passages. Specifically, the upper and lower surfaces thereof are provided with fuel flow passages 10B and 10BA and air flow passages 10A and 10AA in the vertical and horizontal directions. is there. In the figure, the fuel from the fuel channel 10BA reacts with the air from the air channel 10A, and the flow of electrons (electrons) is extracted as a current due to ionization at that time. Therefore, to be precise, the air flow path 10A, the flat plate electrode 11, the electrolyte plate 1
2. The unit cell 1B is constituted by the plate electrode 13 and the fuel flow path 10BA. The voltage is taken out by the plate electrode 11 and the plate electrode 13 via the terminal.
他の単セル1A,1C,1Dも略同様な構成より成る。尚、電極
板11とセパレータ板10との間、電極板13とセパレータ板
14との間に、集電板を設ける構成もある。The other unit cells 1A, 1C, 1D also have substantially the same configuration. Incidentally, between the electrode plate 11 and the separator plate 10, the electrode plate 13 and the separator plate
There is also a configuration in which a collector plate is provided between the terminal 14 and the terminal 14.
かかる積層燃料電池では、一度、実際に電池として発電
させた場合、単セル相互が焼きついてしまう欠点があ
る。これは、電解質板12の電解質が溶け出すためであ
る。In such a laminated fuel cell, when the cells are actually made to generate electric power once, the single cells are burned together. This is because the electrolyte of the electrolyte plate 12 is melted out.
この欠点が問題となのは、積層燃料電池の保守点検及び
代替作業のときである。電池の点検にはどの単セルがど
うなつているかをもなければならず、代替作業では、特
定の単セルの機能劣化等に伴つて単セル交換しなければ
ならず、しかし、それが不可能となるとの問題を持つ。
特に、焼きつきは、セパレータ板と電解質板との間で生
ずるため、電解質板を壊さずにセパレータ板と電解質板
とを分離することは困難である。This drawback is a problem during maintenance and replacement work of laminated fuel cells. In order to check the battery, it is necessary to know which single cell is working, and in the alternative work, the single cell needs to be replaced due to the deterioration of the function of the specific single cell, but this is impossible. Have a problem with.
In particular, burn-in occurs between the separator plate and the electrolyte plate, so it is difficult to separate the separator plate and the electrolyte plate without breaking the electrolyte plate.
尚、積層燃料電池で、積層をクーラ部で区切つてブロツ
ク化し、その保守性を向上させた公知例としては、特開
昭58−166677号がある。As a known example of a laminated fuel cell in which the lamination is divided by a cooler portion to form a block and the maintainability thereof is improved, there is JP-A-58-166677.
本発明の目的は、保守点検を容易化可能とした積層燃料
電池を提供するものである。An object of the present invention is to provide a laminated fuel cell capable of facilitating maintenance and inspection.
本発明は、セパレータ板の燃料流路と空気流路とを分離
せしめることによつて、１つのセパレータ板を２分割
し、導電性の焼き付き防止剤をその分割面に塗布し、こ
の２分割したセパレータ板を従来と同じ順序で積層さ
せ、積層燃料電池を構成することとした。According to the present invention, one separator plate is divided into two by separating the fuel flow path and the air flow path of the separator plate, and a conductive anti-seizure agent is applied to the divided surface, and the two divisions are made. It was decided to stack the separator plates in the same order as in the prior art to form a stacked fuel cell.
第１図は本発明の積層燃料電池の実施例図である。第６
図と異なる点は、セパレータ板10及び14を、15Aと15,16
と16Aとにそれぞれ２分割したこと、及びこの分割表面
に導電性燃えつき防止剤を塗布したことにある。セパレ
ータ板10は、例えば、金属、又は炭素系材料より成る。FIG. 1 is an embodiment diagram of a laminated fuel cell of the present invention. Sixth
The difference from the figure is that the separator plates 10 and 14 are
It is divided into two parts, 16A and 16A, respectively, and a conductive flameproof agent is applied to the divided surface. The separator plate 10 is made of, for example, a metal or a carbon-based material.
第２図には、単セル1Bの分解図を示す。上方には、セパ
レータ板10を分割した場合の２つのセパレータ板の一方
15を積層し、下方にはセパレータ板14を分割した場合の
２つのセパレータ板16,16Aの一方16を積層する。電池の
動作は従来例と変ることはない。FIG. 2 shows an exploded view of the single cell 1B. One of the two separator plates when the separator plate 10 is divided
One of the two separator plates 16 and 16A in the case where the separator plate 14 is divided is laminated below. The operation of the battery is the same as the conventional example.
セパレータ板の他の構成例を第３図に示す。セパレータ
板17は、一方の側においては、周囲にガス通路孔17Bを
持ち、この通路孔17Bを介して燃料ガスが吸排気する。
他方の側においても同様に周囲に通路孔（図示略）を持
ち、この通路孔を介して空気が吸排気する。ガス通路孔
17Aは通路孔17Bを介してのガス通路であり、通路17Cは
通路孔を介しての空気流路である。Another configuration example of the separator plate is shown in FIG. The separator plate 17 has a gas passage hole 17B on the periphery on one side, and the fuel gas is sucked and exhausted through the passage hole 17B.
Similarly, the other side also has a passage hole (not shown) in the periphery, and air is sucked and exhausted through this passage hole. Gas passage hole
17A is a gas passage through the passage hole 17B, and 17A is an air passage through the passage hole.
このセパレータ板の中央部を切断した構成のセパレータ
板を第４図に示す。セパレータ板18は通路孔18Bを周囲
に持ち、且つ通路18Aは内部に有する。この分離形のセ
パレータ18は、本実施例で採用できる。FIG. 4 shows a separator plate having a configuration obtained by cutting the central portion of the separator plate. The separator plate 18 has a passage hole 18B around it, and a passage 18A inside. This separation type separator 18 can be adopted in this embodiment.
第５図は、この分離形セパレータ18を使用した積層燃料
電池本体の実施例を示す。２つの積層電池30と40とをさ
らに２段に積層した多層燃料電池である。積層電池30と
40とは、同一構成より成り、20,24,25,27が第４図に示
したセパレータ板18に該当する。このセパレータ板20,2
4,25,27は、通路と反対側の平面に焼きつき防止剤を塗
布させている。セパレータ板23,23A,23B,26,26A,26Bは
第３図に示した両面通路を持つ従来のセパレータ板であ
る。更に、19と22とは電極を構成し、いずれか一方がカ
ソード、他方がアノードを構成する。また、21は固体電
解質板である。FIG. 5 shows an embodiment of a laminated fuel cell body using this separation type separator 18. This is a multi-layer fuel cell in which two stacked cells 30 and 40 are further stacked in two stages. With stacked battery 30
40 has the same structure, and 20, 24, 25 and 27 correspond to the separator plate 18 shown in FIG. This separator plate 20,2
Nos. 4,25,27 have anti-seizure agents applied to the flat surface opposite to the passage. Separator plates 23, 23A, 23B, 26, 26A, 26B are conventional separator plates having double-sided passages shown in FIG. Further, 19 and 22 form electrodes, one of which forms a cathode and the other forms an anode. Reference numeral 21 is a solid electrolyte plate.
この多層電池によれば、２つの積層電池30と40との間が
分離可能となり、保守点検が容易となる。尚、電極板と
セパレータ板との間に集電板を入れ事例にも適用でき
る。According to this multi-layer battery, the two laminated batteries 30 and 40 can be separated from each other, which facilitates maintenance and inspection. It should be noted that a current collector plate may be inserted between the electrode plate and the separator plate to apply to a case.
本発明によれば積層した燃料電池において適当な間隔
で、金属接触面で上下方向に分解可能な２分割式セパレ
ータを挾み込むことで、２分割式セパレータで挾まれた
ブロツクごとの分解が可能で、各ブロツクごとの点検、
交換等の保守が容易に行える効果がある。According to the present invention, in a stacked fuel cell, it is possible to disassemble each block sandwiched by the two-part separator by sandwiching the two-part separator that can be disassembled vertically at the metal contact surface at appropriate intervals. Then, check each block,
There is an effect that maintenance such as replacement can be easily performed.
第１図は本発明の実施例図、第２図は本発明の単セルの
分解図、第３図，第４図は本発明のセパレータ板の他の
構成図、第５図は多層積層電池の実施例図、第６図，第
７図は従来例図である。 15,16…セパレータ板、11,13…電極板、12…電解質板、
10A,10AB…通路。FIG. 1 is an embodiment of the present invention, FIG. 2 is an exploded view of a single cell of the present invention, FIGS. 3 and 4 are other constitutional views of a separator plate of the present invention, and FIG. 5 is a multilayer laminated battery. FIG. 6, FIG. 6 and FIG. 7 are conventional examples. 15, 16 ... Separator plate, 11, 13 ... Electrode plate, 12 ... Electrolyte plate,
10A, 10AB ... passages.
Claims (1)
電池において、各単セル燃料電池は、電解質板と、該電
解質板の両側に設けられた第1,第２の電極板と、該第１
の電極板の電解質板と反対側に設けられ且つ該第１の電
極板側にガス通路を持つ第１のセパレータ板と、上記第
２の電極板の電解質板と反対側に設けられ且つ該第２の
電極板側に空気又は酸素通路を持つ第２のセパレータ板
とを備え、且つ、前記第1,第２のセパレータ板のそれぞ
れの通路と反対側の面の全面を平面とし且つ該平面に導
電性の焼き付き防止剤を塗布して成ることを特徴とする
積層燃料電池。1. A laminated fuel cell in which single-cell fuel cells are laminated, each single-cell fuel cell includes an electrolyte plate, first and second electrode plates provided on both sides of the electrolyte plate, First
A first separator plate provided on the opposite side of the electrode plate from the electrolyte plate and having a gas passage on the first electrode plate side; and a second separator plate provided on the opposite side of the second electrode plate from the electrolyte plate and A second separator plate having an air or oxygen passage on the side of the second electrode plate, and the entire surfaces of the first and second separator plates opposite to the respective passages are flat and A laminated fuel cell comprising a conductive anti-seizure agent applied.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60183852A JPH0697616B2 (en) | 1985-08-23 | 1985-08-23 | Laminated fuel cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60183852A JPH0697616B2 (en) | 1985-08-23 | 1985-08-23 | Laminated fuel cell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6244955A JPS6244955A (en) | 1987-02-26 |
| JPH0697616B2 true JPH0697616B2 (en) | 1994-11-30 |
Family
ID=16142955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60183852A Expired - Fee Related JPH0697616B2 (en) | 1985-08-23 | 1985-08-23 | Laminated fuel cell |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0697616B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0638345B2 (en) * | 1986-07-08 | 1994-05-18 | 三菱電機株式会社 | Fuel cell |
| JP2612781B2 (en) * | 1991-04-01 | 1997-05-21 | 株式会社日立製作所 | Fuel cell |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5935368A (en) * | 1982-08-20 | 1984-02-27 | Sanyo Electric Co Ltd | Layer-built fuel cell |
-
1985
- 1985-08-23 JP JP60183852A patent/JPH0697616B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6244955A (en) | 1987-02-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |