JPH0654677B2 - Molten carbonate fuel cell - Google Patents
Molten carbonate fuel cellInfo
- Publication number
- JPH0654677B2 JPH0654677B2 JP62157752A JP15775287A JPH0654677B2 JP H0654677 B2 JPH0654677 B2 JP H0654677B2 JP 62157752 A JP62157752 A JP 62157752A JP 15775287 A JP15775287 A JP 15775287A JP H0654677 B2 JPH0654677 B2 JP H0654677B2
- Authority
- JP
- Japan
- Prior art keywords
- fuel cell
- storage container
- tightening
- plate
- containment vessel
- 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
- H01M8/2465—Details of groupings of fuel cells
- H01M8/247—Arrangements for tightening a stack, for accommodation of a stack in a tank or for assembling different tanks
-
- 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
- H01M8/247—Arrangements for tightening a stack, for accommodation of a stack in a tank or for assembling different tanks
- H01M8/2475—Enclosures, casings or containers of fuel cell stacks
-
- 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〕 本発明は溶融炭酸塩型の燃料電池に係り、特に、燃料電
池締付構造の小型化，簡略化に好適な燃料電池用締付構
造に関する。Description: TECHNICAL FIELD The present invention relates to a molten carbonate type fuel cell, and more particularly to a fuel cell fastening structure suitable for downsizing and simplification of a fuel cell fastening structure. .
一般的な燃料電池としては第２図に示すように、多孔質
の電解質板１１の両側をアノード電極１２，カソード電
極１３ではさみ込む。そして、アノード電極１２の外側
には燃料ガスを供給するガス流路を設けたセパレータ１
４，カソード電極１３の外側には酸化ガスを供給するガ
ス流路を設けたセパレータ１４ではさみ込み、この構造
を単電池として、この単電池を多数積層することによ
り、燃料電池を構成するものがある。In a general fuel cell, as shown in FIG. 2, both sides of a porous electrolyte plate 11 are sandwiched between an anode electrode 12 and a cathode electrode 13. Then, a separator 1 provided with a gas flow path for supplying a fuel gas outside the anode electrode 12
4. A fuel cell is constructed by sandwiching a separator 14 provided with a gas flow path for supplying an oxidizing gas on the outside of the cathode electrode 13, and using this structure as a unit cell to stack a large number of the unit cells. is there.
燃料電池は単電池構成要素間，単電池間の接触抵抗を減
少させるため、一定の荷重で締付けられ、また、電解質
板中の炭酸塩を溶融させ電気化学反応の効率向上のた
め、６５０℃の高温状態で運転されることになる。The fuel cell is tightened with a constant load to reduce the contact resistance between the cell components and between the cells. Also, to improve the efficiency of the electrochemical reaction by melting the carbonate in the electrolyte plate, It will be operated at high temperature.
そこで、従来燃料電池２１の締付けは第３図に示すよう
に、保持台２６を取りつけた締付装置２８をベース３１
と一体に固定し、締付装置２８上に仕切り板２７をベー
ス３１に取りつけて、仕切り板２７に支柱３０を固定す
る。そして、支柱３０上方に押え板２４を固定し、保持
台２６の上に燃料電池２１を乗せ締付装置２８により保
持台２６を押し上げ、押え板２４と保持台２６により燃
料電池２１を締付ける。さらに、燃料電池２１の保温及
び外部環境へのガスリーク防止のため、燃料電池２１に
格納容器２２をかぶせる。この格納容器は仕切り板２７
を介してベース３１に固定されている。この構造はベー
ス３１，仕切り板２７，支柱３０により締付荷重を受け
とめる構造となつている。Therefore, as shown in FIG. 3, the conventional fuel cell 21 is fastened by using a fastening device 28 having a holding base 26 attached to a base 31.
The partition plate 27 is attached to the base 31 on the tightening device 28, and the support column 30 is fixed to the partition plate 27. Then, the holding plate 24 is fixed above the support column 30, the fuel cell 21 is placed on the holding table 26, and the holding table 26 is pushed up by the tightening device 28, and the fuel cell 21 is tightened by the holding plate 24 and the holding table 26. Further, in order to keep the temperature of the fuel cell 21 and prevent gas leak to the external environment, the fuel cell 21 is covered with a storage container 22. This storage container is a partition plate 27
It is fixed to the base 31 via. This structure is such that the tightening load is received by the base 31, the partition plate 27, and the column 30.
或いは、特開昭58−93173 号に記載の如く格納容器上部
に押え板を設け、格納容器上部の締付装置により格納容
器が移動し燃料電池を締付ける燃料電池締付構造があ
る。この構造では締付装置を格納容器上部に固定するた
めの構造体が必要となる不具合がある。Alternatively, as described in JP-A-58-93173, there is a fuel cell tightening structure in which a holding plate is provided on the upper part of the storage container and the storage container is moved by a tightening device on the upper part of the storage container to tighten the fuel cell. This structure has a problem that a structure for fixing the tightening device to the upper part of the storage container is required.
また、実開昭61−95063 号記載の如く、スタツクケース
の外部にフレームを設けてフレームに固定した押しつけ
部材により、燃料電池を締付ける構造がある。Further, as described in Japanese Utility Model Laid-Open No. 61-95063, there is a structure in which a frame is provided outside the stack case and the fuel cell is clamped by a pressing member fixed to the frame.
しかしながら、特開昭58−93173 号及び実開昭61−9506
3 号はともに、格納容器あるいはスタツクケースの外部
に燃料電池締付荷重を受けとめるための構造体が必要と
なる不具合を有している。However, JP-A-58-93173 and JP-A-61-9506
Both No. 3 have the problem that a structure for receiving the fuel cell tightening load is required outside the containment vessel or stack case.
即ち、上記従来技術では締付装置と押え板とにより燃料
電池を締付ける際の締付力を受けとめる構造体が格納容
器内部あるいは格納容器外部に必要となつて、格納容器
が大型化したり、締付力を受けとめるための構造体が複
雑大型化することになつて、燃料電池発電設置の据付ス
ペースが大きくなるという問題点があつた。That is, in the above-mentioned prior art, a structure for receiving the tightening force when tightening the fuel cell by the tightening device and the holding plate is required inside or outside the containment vessel, and the size of the containment vessel increases Since the structure for receiving the force becomes complicated and large, there is a problem that the installation space for the fuel cell power generation installation becomes large.
本発明は上述した如き事情に鑑み、燃料電池の締付力を
受けとめる構造を簡略化して、小型化の燃料電池用締付
構造を提供することにある。In view of the circumstances described above, the present invention is to provide a compact fuel cell fastening structure by simplifying the structure for receiving the fastening force of the fuel cell.
上記問題点を解決するための本発明は、格納容器内部の
上部あるいは下部に押え板を格納容器と一体に取り付
け、押え板を取り付けた他側に締付装置を格納容器と一
体に取り付け、押え板と締付装置に取り付けられた保持
台との間に燃料電池を挟持し、締付装置により燃料電池
を締付けることを特徴としている。According to the present invention for solving the above problems, a holding plate is attached to the upper or lower part of the storage container integrally with the storage container, and a tightening device is attached to the storage container on the other side where the holding plate is attached. The fuel cell is sandwiched between the plate and the holding table attached to the fastening device, and the fuel cell is fastened by the fastening device.
〔作用〕 締付装置による燃料電池締付荷重は、燃料電池押え板を
介して格納容器上部に作用し、その反作用として締付装
置を固定している格納容器下部に締付荷重と逆方向の荷
重が作用する。したがって格納容器には内部から上下方
向の軸力が作用し、それによつて、格納容器は燃料電池
締付荷重を受けもつとともに、外部環境へのガスリーク
の防止、燃料電池の保温を兼用し燃料電池発電装置全体
の構造を小型化，簡単化することができる。[Operation] The tightening load of the fuel cell by the tightening device acts on the upper part of the containment vessel through the fuel cell holding plate, and as a reaction to it, it acts in the opposite direction to the tightening load on the lower part of the containment container fixing the tightening device. Load acts. Therefore, a vertical axial force acts on the containment vessel from the inside, which causes the containment vessel to bear the tightening load of the fuel cell, prevent gas leakage to the external environment, and keep the fuel cell warm. The structure of the entire power generator can be downsized and simplified.
以下、本発明の一実施例としての燃料電池用締付構造に
ついて第１図により説明する。格納容器２は上部格納容
器２ａと下部格納容器２ｂに２分割され、下部格納容器
２ｂ内には締付装置８が装着されている。尚、締付装置
８としては油圧シリンダ方式のものを用いる。Hereinafter, a fastening structure for a fuel cell as one embodiment of the present invention will be described with reference to FIG. The storage container 2 is divided into an upper storage container 2a and a lower storage container 2b, and a tightening device 8 is mounted in the lower storage container 2b. A hydraulic cylinder system is used as the tightening device 8.
油圧シリンダ８ａのシリンダロツド８ｂの上部には保持
台６が一体に取り付けられ、また、上部格納容器２ａの
上方に締付ロツド１０及び絶縁板５を介して押え板４が
装着されている。A holding table 6 is integrally attached to the upper portion of the cylinder rod 8b of the hydraulic cylinder 8a, and a holding plate 4 is attached above the upper storage container 2a via a fastening rod 10 and an insulating plate 5.
上部格納容器２ａの内側には保温材３が内壁全面に取り
付けられ、下部格納容器２ｂ上に上部に保温材３を装着
し、その下部にシリンダロツド８ｂが移動可能な仕切り
板７を設け、保持台６上に単電池を多数積層した燃料電
池１が設置されている。A heat insulating material 3 is attached to the entire inner wall of the upper storage container 2a, the heat insulating material 3 is mounted on the lower storage container 2b on the upper side, and a partition plate 7 to which a cylinder rod 8b is movable is provided on the lower part thereof. A fuel cell 1 in which a large number of unit cells are stacked on top of each other 6 is installed.
燃料電池１にガス供給配管９が接続された後、さらに、
燃料電池１に前記上部格納容器２ａがかぶせられ、この
上部格納容器２ａのフランジと下部格納容器２ｂのフラ
ンジとの間に仕切り板７が図示しない固定ボルト等で一
体に固定されている。尚、押え板４，締付装置８の位置
は上下逆の位置にあつてもよい。After the gas supply pipe 9 is connected to the fuel cell 1,
The fuel cell 1 is covered with the upper storage container 2a, and a partition plate 7 is integrally fixed between the flange of the upper storage container 2a and the flange of the lower storage container 2b by a fixing bolt or the like (not shown). The positions of the holding plate 4 and the tightening device 8 may be upside down.
本発明の燃料電池用締付構造は上述の如く構成されてい
るので、燃料電池１の締付は油圧シリンダ８ａのシリン
ダロッド８ｂにより保持台６を上昇させ行うことにな
る。締付装置８による締付荷重はシリンダロツド８ｂ，
保持台６を介して燃料電池１に作用し、押え板４，絶縁
板５，締付ロツド１０を介して上部格納容器２ａに作用
する。また締付荷重の反作用として下部格納容器２ｂに
締付荷重と逆向きの荷重が作用することになるので、押
え板４，燃料電池１，保持台６，締付装置８を格納容器
２で固定することにより、締付荷重を格納容器２によつ
て受けとめることになる。Since the fuel cell tightening structure of the present invention is configured as described above, the fuel cell 1 is tightened by raising the holding table 6 by the cylinder rod 8b of the hydraulic cylinder 8a. The tightening load applied by the tightening device 8 is the cylinder rod 8b,
It acts on the fuel cell 1 via the holding base 6, and acts on the upper storage container 2 a via the holding plate 4, the insulating plate 5, and the fastening rod 10. Further, as a reaction of the tightening load, a load opposite to the tightening load acts on the lower storage container 2b, so that the holding plate 4, the fuel cell 1, the holding table 6, and the tightening device 8 are fixed to the storage container 2. By doing so, the tightening load is received by the storage container 2.
本発明の燃料電池用締付構造によれば、格納容器が締付
荷重を受けもつとともに、外部環境へのガスリーク防
止，燃料電池の保温を兼用するので、格納容器の外に締
付荷重を受けもつ構造が不用となり、燃料電池発電装置
全体の構造を小型簡略化することができ、装置据付スペ
ースを小さくすることができる。また、格納容器内部に
は保温材３を取り付けて、格納容器の温度を常に常温に
近く維持されているので、締付荷重によるクリープ変形
や熱伸びを生ずることがなくなり、締付構造の強度の信
頼性が向上する。According to the fuel cell tightening structure of the present invention, the containment container receives the tightening load, and also serves to prevent gas leakage to the external environment and to keep the fuel cell warm. Since the structure has no need, the entire structure of the fuel cell power generator can be downsized and simplified, and the device installation space can be reduced. Further, since the heat insulating material 3 is attached inside the containment vessel so that the temperature of the containment vessel is always kept close to the normal temperature, creep deformation and thermal expansion due to the tightening load do not occur, and the strength of the tightening structure is improved. Improves reliability.
第１図は本発明の一実施例としての燃料電池用締付構造
を示す縦断面図、第２図は従来の単電池を示す斜視図、
第３図は従来の燃料電池を示す縦断面図である。 １……燃料電池、２……格納容器、２ａ……上部格納容
器、２ｂ……下部格納容器、３……保温材、４……押え
板、５……絶縁板、６……保持台、７……仕切り板、８
……締付装置、８ａ……油圧シリンダ、８ｂ……シリン
ダロツド、９……ガス供給配管、１０……締付ロツド。FIG. 1 is a longitudinal sectional view showing a fastening structure for a fuel cell as an embodiment of the present invention, and FIG. 2 is a perspective view showing a conventional unit cell.
FIG. 3 is a vertical sectional view showing a conventional fuel cell. 1 ... Fuel cell, 2 ... Storage container, 2a ... Upper storage container, 2b ... Lower storage container, 3 ... Heat insulating material, 4 ... Holding plate, 5 ... Insulating plate, 6 ... Holding base, 7 ... Partition board, 8
...... Tightening device, 8a ... Hydraulic cylinder, 8b ... Cylinder rod, 9 ... Gas supply pipe, 10 ... Tightening rod.
フロントページの続き (56)参考文献 特開 昭58−119170（ＪＰ，Ａ) 特開 昭58−93173（ＪＰ，Ａ) 特開 昭60−37675（ＪＰ，Ａ) 特開 昭61−124067（ＪＰ，Ａ)Continuation of the front page (56) Reference JP-A-58-119170 (JP, A) JP-A-58-93173 (JP, A) JP-A-60-37675 (JP, A) JP-A-61-124067 (JP , A)
Claims (1)
れぞれ設けられたアノード電極及びカソード電極、該電
極の外側に設けられたセパレータから成る単電池を複数
積層して構成された燃料電池本体と、穴を有する仕切板
によって上部格納容器と下部格納容器に分割された格納
容器と、燃料電池本体締付用油圧シリンダとを含む溶融
炭酸塩型燃料電池であって、 前記上部格納容器の内壁及び仕切板上面は保温材で覆わ
れ、前記燃料電池本体は保持台上に載置されると共に上
部に押え板が設けられて前記保温材で覆われた上部格納
容器内の空間に収納され、前記油圧シリンダは前記下部
格納容器内に収納され、油圧シリンダのシリンダロッド
は前記仕切板の穴を貫通して前記保持台に固定され、前
記下部格納容器内の油圧シリンダからの締付荷重は前記
シリンダロッド、保持台、燃料電池本体及び押え板を介
して前記上部格納容器に作用され、締付荷重の反力は前
記下部格納容器に作用されることを特徴とする溶融炭酸
塩型燃料電池。1. A fuel cell constructed by stacking a plurality of unit cells each comprising a porous electrolyte plate, anode electrodes and cathode electrodes provided on both sides of the electrolyte plate, and separators provided outside the electrodes. A molten carbonate fuel cell including a main body, a storage container divided into an upper storage container and a lower storage container by a partition plate having a hole, and a hydraulic cylinder for tightening a fuel cell main body, wherein: The inner wall and the upper surface of the partition plate are covered with a heat insulating material, and the fuel cell main body is placed on a holding table and a pressing plate is provided on the upper part to be housed in the space in the upper storage container covered with the heat insulating material. , The hydraulic cylinder is housed in the lower containment vessel, the cylinder rod of the hydraulic cylinder penetrates the hole of the partition plate and is fixed to the holding base, and is tightened from the hydraulic cylinder in the lower containment vessel. A load is applied to the upper containment vessel through the cylinder rod, the holder, the fuel cell body and the holding plate, and a reaction force of the tightening load is applied to the lower containment vessel. Fuel cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62157752A JPH0654677B2 (en) | 1987-06-26 | 1987-06-26 | Molten carbonate fuel cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62157752A JPH0654677B2 (en) | 1987-06-26 | 1987-06-26 | Molten carbonate fuel cell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS643971A JPS643971A (en) | 1989-01-09 |
| JPH0654677B2 true JPH0654677B2 (en) | 1994-07-20 |
Family
ID=15656571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62157752A Expired - Fee Related JPH0654677B2 (en) | 1987-06-26 | 1987-06-26 | Molten carbonate fuel cell |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0654677B2 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4603870B2 (en) * | 2004-12-22 | 2010-12-22 | 本田技研工業株式会社 | Fuel cell system |
| JP4598510B2 (en) | 2004-12-22 | 2010-12-15 | 本田技研工業株式会社 | Fuel cell system |
| JP4641182B2 (en) * | 2004-12-22 | 2011-03-02 | 本田技研工業株式会社 | Fuel cell system |
| JP4598509B2 (en) * | 2004-12-22 | 2010-12-15 | 本田技研工業株式会社 | Fuel cell system |
| JP2006179285A (en) * | 2004-12-22 | 2006-07-06 | Honda Motor Co Ltd | Fuel cell system |
| JP4598508B2 (en) * | 2004-12-22 | 2010-12-15 | 本田技研工業株式会社 | Fuel cell system |
| JP6403569B2 (en) * | 2014-12-25 | 2018-10-10 | 日本特殊陶業株式会社 | Fuel cell hot module |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5893173A (en) * | 1981-11-26 | 1983-06-02 | Toshiba Corp | Fuel cell stack clamping apparatus |
| JPS58119170A (en) * | 1982-01-08 | 1983-07-15 | Toshiba Corp | Fuel cell |
| JPS6037675A (en) * | 1983-08-09 | 1985-02-27 | Agency Of Ind Science & Technol | Molten carbonate fuel cell |
-
1987
- 1987-06-26 JP JP62157752A patent/JPH0654677B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPS643971A (en) | 1989-01-09 |
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