JP2001043888A - Fuel cell - Google Patents
Fuel cellInfo
- Publication number
- JP2001043888A JP2001043888A JP11217014A JP21701499A JP2001043888A JP 2001043888 A JP2001043888 A JP 2001043888A JP 11217014 A JP11217014 A JP 11217014A JP 21701499 A JP21701499 A JP 21701499A JP 2001043888 A JP2001043888 A JP 2001043888A
- Authority
- JP
- Japan
- Prior art keywords
- fuel cell
- fuel
- reaction vessel
- gas
- fuel gas
- 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.)
- Granted
Links
Classifications
-
- 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]
【発明の属する技術分野】本発明は、燃料電池に関し、
特に、反応容器内に複数の有底筒状の燃料電池セルを所
定間隔を置いて立設して収容した燃料電池に関する。TECHNICAL FIELD The present invention relates to a fuel cell,
In particular, the present invention relates to a fuel cell in which a plurality of bottomed tubular fuel cells are erected at predetermined intervals in a reaction vessel.
【０００２】[0002]
【従来技術】従来の固体電解質型燃料電池は、図５に示
すように、反応容器５１内に、空気室仕切板５３、燃焼
室仕切板５５、燃料ガス室仕切板５７を用いて空気室
Ａ、燃焼室Ｂ、反応室Ｃ、燃料ガス室Ｄが形成されてい
る。2. Description of the Related Art As shown in FIG. 5, a conventional solid oxide fuel cell uses an air chamber A in a reaction vessel 51 by using an air chamber partition plate 53, a combustion chamber partition plate 55, and a fuel gas chamber partition plate 57. , A combustion chamber B, a reaction chamber C, and a fuel gas chamber D are formed.
【０００３】反応容器５１内に収容された複数の有底筒
状の固体電解質型燃料電池セル５９は、燃焼室仕切板５
５に形成された複数のセル挿入孔６０にそれぞれ挿入固
定されており、その開口部６１は燃焼室仕切板５５から
燃焼室Ｂ内に突出しており、その内部には、空気室仕切
板５３に固定された空気導入管６３の一端が挿入されて
いる。[0003] A plurality of bottomed cylindrical solid oxide fuel cells 59 housed in a reaction vessel 51 are connected to a combustion chamber partition plate 5.
5 are inserted into and fixed to a plurality of cell insertion holes 60 formed in the fuel cell 5, and the openings 61 project from the combustion chamber partition plate 55 into the combustion chamber B. One end of the fixed air introduction pipe 63 is inserted.
【０００４】燃焼室仕切板５５には、余剰の未反応燃料
ガスを反応室Ｃから燃焼室Ｂに排出するために、複数の
排気孔６４が形成されており、燃料ガス室仕切板５７に
は、燃料ガスを燃料ガス室Ｄから反応室Ｃに供給するた
めに、複数の給気孔が形成されている。A plurality of exhaust holes 64 are formed in the combustion chamber partition plate 55 in order to discharge excess unreacted fuel gas from the reaction chamber C to the combustion chamber B. In order to supply fuel gas from the fuel gas chamber D to the reaction chamber C, a plurality of air supply holes are formed.
【０００５】また、反応容器５１には、例えば水素から
なる燃料ガスを導入する燃料ガス導入口６５、空気を導
入する空気導入口６７、燃焼室Ｂ内で燃焼したガスを排
出するための排気口６９が形成されている。The reaction vessel 51 has a fuel gas inlet 65 for introducing a fuel gas composed of, for example, hydrogen, an air inlet 67 for introducing air, and an exhaust port for discharging gas burned in the combustion chamber B. 69 are formed.
【０００６】このような固体電解質型燃料電池は、空気
室Ａからの空気を、空気導入管６３を介して固体電解質
型燃料電池セル５９内にそれぞれ供給し、かつ、燃料ガ
ス室Ｄからの燃料ガスを、燃料ガス室仕切板５７の給気
孔を介して複数の固体電解質型燃料電池セル５９間に供
給し、反応室Ｃにて反応させ発電し、余剰の空気と未反
応燃料ガスを燃焼室Ｂにて燃焼させ、燃焼したガスが排
気口６９から外部に排出される。In such a solid oxide fuel cell, the air from the air chamber A is supplied into the solid oxide fuel cell 59 via the air introduction pipe 63, and the fuel from the fuel gas chamber D is supplied from the fuel gas chamber D. The gas is supplied between the plurality of solid oxide fuel cells 59 through the air supply holes of the fuel gas chamber partition plate 57, reacts in the reaction chamber C to generate power, and surplus air and unreacted fuel gas are removed from the combustion chamber. The gas is burned in B, and the burned gas is discharged to the outside through the exhaust port 69.
【０００７】しかしながら、従来の固体電解質型燃料電
池は、燃料電池セル５９の底部側に新鮮な燃料ガスを供
給して、燃料電池セル５９の軸方向に沿って燃料を消費
していたため、１本の燃料電池セル５９の両端で、雰囲
気ガス中の燃料分圧が９０％から１５％程度と極端に異
なっていた。However, the conventional solid oxide fuel cell supplies fresh fuel gas to the bottom of the fuel cell 59 and consumes fuel along the axial direction of the fuel cell 59. At both ends of the fuel cell 59, the fuel partial pressure in the atmosphere gas was extremely different from about 90% to about 15%.
【０００８】そして、燃料電池セル５９の起電力は、燃
料ガスの燃料分圧に影響されるため、上記したように、
燃料電池セル５９の両端で起電力が異なることにより、
１本の燃料電池セル５９内に、異なる起電力の電池を並
列接続したときと等価な回路が形成され、電力損失を生
じるという問題があった。Since the electromotive force of the fuel cell 59 is affected by the partial pressure of the fuel gas, as described above,
Since the electromotive force is different at both ends of the fuel cell 59,
A circuit equivalent to a case where batteries having different electromotive forces are connected in parallel in one fuel cell 59 is formed, and there is a problem that power loss occurs.
【０００９】このような問題を解決するため、例えば、
特開平４−２９４０６８号公報に開示されるように、燃
料ガスを燃料電池セルの側方へ供給した燃料電池が知ら
れている。In order to solve such a problem, for example,
As disclosed in JP-A-4-294068, there is known a fuel cell in which a fuel gas is supplied to a side of a fuel cell.
【００１０】この公報に開示された燃料電池は、図６に
示すように、反応容器８１の対向する両側面に、燃料ガ
スを供給する供給孔８２を設けるとともに、反応容器８
１の底面に供給孔８３を設け、反応容器８１内に収容さ
れた燃料電池セル８５の側方および下方から燃料ガスを
供給し、余剰の燃料ガスを燃料電池セル８５と仕切板８
７との隙間から排出していた。In the fuel cell disclosed in this publication, as shown in FIG. 6, supply holes 82 for supplying fuel gas are provided on both sides of a reaction vessel 81 facing each other.
A supply hole 83 is provided on the bottom surface of the fuel cell 1, and fuel gas is supplied from the side and below the fuel cell 85 accommodated in the reaction vessel 81, and excess fuel gas is separated from the fuel cell 85 and the partition plate 8.
7 was discharged from the gap.
【００１１】[0011]
【発明が解決しようとする課題】しかしながら、特開平
４−２９４０６８号公報に開示された燃料電池では、反
応容器８１の対向する両側面の供給孔８２から、および
反応容器８１の底面の供給孔８３から燃料ガスを供給し
ていたため、供給孔８２、８３近傍の燃料電池セル８５
では起電力差が低減されるものの、余剰の燃料ガスを燃
料電池セル８５と仕切板８７との隙間から、つまり反応
容器８１の上方から排出していたため、中央部に配置さ
れた燃料電池セル８５では従来と同様、１本の燃料電池
セル８５の両端で起電力差が大きく、１本の燃料電池セ
ル８５内に、異なる起電力の電池を並列接続したときと
等価な回路が形成され、未だ電力損失が大きいという問
題があった。However, in the fuel cell disclosed in Japanese Unexamined Patent Publication No. 4-294068, the supply holes 82 formed on the opposite side surfaces of the reaction vessel 81 and the supply holes 83 formed on the bottom surface of the reaction vessel 81. Supply of fuel gas from the fuel cells 85 near the supply holes 82 and 83
Although the difference in electromotive force is reduced, surplus fuel gas is discharged from the gap between the fuel cell 85 and the partition plate 87, that is, from above the reaction vessel 81. In the same manner as in the prior art, the electromotive force difference is large at both ends of one fuel cell 85, and a circuit equivalent to a case where batteries having different electromotive forces are connected in parallel in one fuel cell 85 is formed. There is a problem that power loss is large.
【００１２】本発明は、燃料電池セル全面でほぼ同等の
起電力を発生できる燃料電池を提供することを目的とす
る。An object of the present invention is to provide a fuel cell capable of generating substantially the same electromotive force over the entire surface of a fuel cell.
【００１３】[0013]
【課題を解決するための手段】本発明の燃料電池は、反
応容器内に複数の有底筒状の燃料電池セルを所定間隔を
置いて立設して収容するとともに、反応容器の一方側面
に、前記燃料電池セルの側方へ燃料ガスを供給する供給
孔を形成し、前記反応容器の他方側面に、前記燃料電池
セルの側方からの燃料ガスを排出する排出孔を設けたも
のである。According to the fuel cell of the present invention, a plurality of cylindrical fuel cells having a bottom are housed in a reaction vessel in a standing manner at predetermined intervals, and are provided on one side of the reaction vessel. A supply hole for supplying fuel gas to the side of the fuel cell; and a discharge hole for discharging fuel gas from the side of the fuel cell on the other side surface of the reaction vessel. .
【００１４】このような構成を採用することにより、反
応室内の燃料分圧の分布を、燃料電池セルの長さ方向で
はなく、反応容器の側面方向（燃料電池セルの幅方向）
に生じさせることができ、１本の燃料電池セルに供給さ
れる燃料ガスの燃料分圧はほぼ均一となり、１本の燃料
電池セル内での極端な起電力の分布を抑制できる。言い
換えれば、１本の燃料電池セル内での起電力を均等にで
きる。By adopting such a configuration, the distribution of the partial pressure of the fuel in the reaction chamber is adjusted not in the length direction of the fuel cell but in the lateral direction of the reaction vessel (the width direction of the fuel cell).
The partial pressure of the fuel gas supplied to one fuel cell becomes substantially uniform, and the distribution of the extreme electromotive force in one fuel cell can be suppressed. In other words, the electromotive force in one fuel cell can be equalized.
【００１５】即ち、燃料電池セルのスタックの側方から
供給された燃料ガスが、燃料電池セルのスタック集合体
の側方の反応容器から排出し、燃料電池セルの長さ方向
に対して一様な濃度の燃料ガスが供給されることにな
り、このため、１本の燃料電池セル内で、極端に異なる
起電力が生じることを抑制でき、燃料電池セルのスタッ
クでは、異なる起電力の電池を並列接続ではなく、直列
接続した回路と等価にでき、電力損失を大きく低減でき
る。従って、従来のような異なる起電力の電池を並列接
続したものと等価な回路を除去できるため、電力損失を
大きく低減して、出力電力を大きく向上できる。That is, the fuel gas supplied from the side of the fuel cell stack is discharged from the reaction vessel on the side of the fuel cell stack assembly, and is uniformly distributed in the longitudinal direction of the fuel cell. Therefore, it is possible to suppress the generation of extremely different electromotive forces in one fuel cell, and a stack of fuel cells uses batteries having different electromotive forces. This can be equivalent to a circuit connected in series instead of in parallel, and the power loss can be greatly reduced. Therefore, since a circuit equivalent to a conventional battery having different electromotive forces connected in parallel can be eliminated, power loss can be greatly reduced and output power can be greatly improved.
【００１６】また、燃料ガスの供給孔と排出孔を、反応
容器の対向する側面に形成することにより、燃料電池セ
ルのスタックに対して、最も効果的に燃料ガスを供給す
ることができる。Further, by forming the fuel gas supply holes and the discharge holes on the opposing side surfaces of the reaction vessel, the fuel gas can be supplied to the fuel cell stack most effectively.
【００１７】さらに、燃料電池セルのスタックから電力
を取り出すための一対の集電体を、燃料ガスの供給孔ま
たは排出孔に対向して設け、集電体に流通孔を形成する
ことにより、燃料ガスの分散を確実に行うことができ、
１本の燃料電池セル内での起電力をさらに均等にでき
る。Further, a pair of current collectors for extracting electric power from the fuel cell stack are provided to face the fuel gas supply holes or the discharge holes, and a flow hole is formed in the current collector. Gas can be reliably dispersed,
The electromotive force in one fuel cell can be further equalized.
【００１８】[0018]
【発明の実施の形態】本発明の燃料電池は、図１に示す
ように、反応容器１内に、空気室仕切板３、燃焼室仕切
板５を用いて空気室Ａ、燃焼室Ｂ、反応室Ｃが形成され
ている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS As shown in FIG. 1, a fuel cell according to the present invention uses an air chamber partition plate 3 and a combustion chamber partition plate 5 in an air chamber A, a combustion chamber B and a reaction chamber 1 in a reaction vessel 1. A chamber C is formed.
【００１９】反応容器１内には複数の有底筒状の固体電
解質型燃料電池セル９が収容されており、その上端部
は、燃焼室仕切板５に形成された複数のセル挿入孔１０
にそれぞれ挿入固定されており、その開口部は燃焼室仕
切板５から燃焼室Ｂ内に突出しており、その内部には、
空気室仕切板３に端部が固定された酸素含有ガス導入管
１１の一端が挿入されている。A plurality of bottomed cylindrical solid oxide fuel cells 9 are accommodated in the reaction vessel 1, and the upper end thereof is provided with a plurality of cell insertion holes 10 formed in the combustion chamber partition plate 5.
, Each of which has an opening projecting from the combustion chamber partition plate 5 into the combustion chamber B.
One end of an oxygen-containing gas introduction pipe 11 whose end is fixed to the air chamber partition plate 3 is inserted.
【００２０】反応容器１の一方側面にはダクト１２が設
けられ、その一端が、例えば水素からなる燃料ガスを導
入する燃料ガス導入口１３とされ、その内部が、燃料ガ
スを分散して反応室Ｃ内へ供給する燃料ガス分散室Ｄと
されている。燃料ガス分散室Ｄ内における反応容器１の
側面には、複数の燃料ガスの供給孔１４が形成されてい
る。A duct 12 is provided on one side of the reaction vessel 1, and one end of the duct 12 is used as a fuel gas inlet 13 for introducing a fuel gas composed of, for example, hydrogen. A fuel gas dispersion chamber D to be supplied into C is provided. A plurality of fuel gas supply holes 14 are formed on the side surface of the reaction vessel 1 in the fuel gas dispersion chamber D.
【００２１】また、反応容器１の他方側面にはダクト１
７が設けられ、その内部が燃料ガス排気室Ｅとされてい
る。ダクト１７には、余剰の燃料ガスを燃焼室Ｂへ供給
するための連通孔１８が形成されている。燃料ガス排気
室Ｅにおける反応容器１の側面には、複数の排出孔１９
が形成されている。燃料ガスの供給孔１４と排出孔１９
は、反応容器１の対向する側面に形成されている。A duct 1 is provided on the other side of the reaction vessel 1.
A fuel gas exhaust chamber E is provided inside. A communication hole 18 for supplying surplus fuel gas to the combustion chamber B is formed in the duct 17. A plurality of discharge holes 19 are provided in the side of the reaction vessel 1 in the fuel gas exhaust chamber E.
Are formed. Fuel gas supply holes 14 and discharge holes 19
Are formed on opposing side surfaces of the reaction vessel 1.
【００２２】さらに、反応容器１には、燃焼室Ｂ内で燃
焼したガスを外部に排出する排気口２０、空気を導入す
る空気導入口２１が形成されている。Further, the reaction vessel 1 is provided with an exhaust port 20 for discharging gas burned in the combustion chamber B to the outside, and an air inlet 21 for introducing air.
【００２３】反応容器１には、図２に示すような複数の
燃料電池セル９のスタック（集合体）２２が収容されて
おり、セル９は、図３に示すように、例えばＹ2 Ｏ3 安
定化ＺｒＯ2 からなる円筒状の固体電解質２３の、内面
側にＬａＭｎＯ3 系からなる空気極２４、外面側にＮｉ
−ＺｒＯ2 系からなる燃料極２５を有し、内面側の空気
極２４と電気的に接続されて円筒外面に表出する、Ｌａ
ＣｒＯ3 系よりなるインターコネクタ２６を有するよう
に構成されている。The reaction vessel 1 contains a stack (assembly) 22 of a plurality of fuel cells 9 as shown in FIG. 2, and the cell 9 is made of, for example, Y 2 O 3 as shown in FIG. A cylindrical solid electrolyte 23 made of stabilized ZrO 2, an air electrode 24 made of LaMnO 3 based on the inner surface, and Ni on the outer surface.
Having a fuel electrode 25 made of -ZrO 2 system, electrically connected to the air electrode 24 on the inner surface side, and exposed on the outer surface of the cylinder; La
It is configured to have an interconnector 26 made of CrO 3 .
【００２４】スタック２２は、図２に示すように、複数
の燃料電池セル９を、隣り合うセル９の燃料極２５とイ
ンターコネクタ２６が、Ｎｉ金属繊維等の接続部材２７
を介して電気的に接続するように構成されている。As shown in FIG. 2, the stack 22 includes a plurality of fuel cells 9, a fuel electrode 25 of an adjacent cell 9 and an interconnector 26 formed of a connecting member 27 such as Ni metal fiber.
It is configured to be electrically connected via a.
【００２５】また、図１および図２に示したように、反
応容器１には、スタック２２の最外列に位置し燃料極２
５と接続部材２７を介して接する集電体３７と、スタッ
ク２２の最外列に位置しインターコネクタ２６と接続部
材２７を介して接する集電体３８とが収容され、これら
の集電体３７と集電体３８は、スタック２２を挟んで対
向している。図２に集電体３７と集電体３８でスタック
２２を挟持した状態を示す。このような集電体３７と集
電体３８を介して電力が取り出される。As shown in FIGS. 1 and 2, the reaction vessel 1 is located at the outermost row of the
5 and a current collector 38 located in the outermost row of the stack 22 and in contact with the interconnector 26 via the connection member 27 are accommodated. And the current collector 38 face each other across the stack 22. FIG. 2 shows a state where the stack 22 is sandwiched between the current collectors 37 and 38. Electric power is extracted through such a current collector 37 and a current collector 38.
【００２６】即ち、燃料電池セル９のスタック２２から
電力を取り出すための一対の集電体３７、３８が、燃料
ガスの供給孔１４または排出孔１９に対向して設けられ
ており、集電体３７、３８に複数の流通孔４１が形成さ
れている。この流通孔４１により、燃料ガスの分散を効
率良く行うことができる。That is, a pair of current collectors 37 and 38 for taking out electric power from the stack 22 of the fuel cell unit 9 are provided to face the fuel gas supply holes 14 or the discharge holes 19, and A plurality of flow holes 41 are formed in 37 and 38. The fuel gas can be efficiently dispersed by the circulation holes 41.
【００２７】以上のように構成された燃料電池では、燃
料電池セル９のスタック２２の側方から、燃料ガスが反
応容器１の供給孔１４を介して供給され、余剰の燃料ガ
スが、燃料電池セル９のスタック２２の側方の反応容器
１から排出孔１９を介して、燃料ガス排気室Ｅへ排出さ
れ、余剰の燃料ガスが連通孔１８を介して燃焼室Ｂ内に
入る。In the fuel cell configured as described above, the fuel gas is supplied from the side of the stack 22 of the fuel cell 9 through the supply hole 14 of the reaction vessel 1, and the excess fuel gas is supplied to the fuel cell. The fuel gas is exhausted from the reaction vessel 1 on the side of the stack 22 of the cell 9 to the fuel gas exhaust chamber E through the exhaust hole 19, and excess fuel gas enters the combustion chamber B through the communication hole 18.
【００２８】一方、酸素含有ガスとしての空気は、酸素
含有ガス導入管１１を介して燃料電池セル９に供給さ
れ、余分な空気が燃焼室Ｂ内に排出され、この燃焼室Ｂ
内で、連通孔１８を介して供給された余剰の燃料ガスと
反応して燃焼し、排気ガスとして外部に排出される。On the other hand, air as the oxygen-containing gas is supplied to the fuel cell 9 through the oxygen-containing gas introduction pipe 11, and excess air is discharged into the combustion chamber B.
Inside, it reacts with excess fuel gas supplied through the communication hole 18 and burns, and is discharged to the outside as exhaust gas.
【００２９】図４に燃料電池セルにおけるガスの流れを
示す。燃料ガスはセル側方から導入され、セル側面で発
電により酸化されながら進む。一方空気は酸素含有ガス
導入管１１を介してセル上方よりセル内部下方へ導入さ
れ、セル内部下方より上部へと、酸素を消費しながら流
れる。セル上部より排出された空気は、発電で消費され
なかった燃料ガスと反応し、燃焼室Ｂ内で燃焼する。FIG. 4 shows a gas flow in the fuel cell. Fuel gas is introduced from the side of the cell, and proceeds while being oxidized by power generation on the side of the cell. On the other hand, air is introduced from the upper part of the cell to the lower part inside the cell via the oxygen-containing gas introducing pipe 11, and flows from the lower part inside the cell to the upper part while consuming oxygen. The air discharged from the upper part of the cell reacts with the fuel gas not consumed by the power generation and burns in the combustion chamber B.
【００３０】以上のように構成された燃料電池では、燃
料ガスはセル側方から導入され、セル側面で発電により
酸化されながら進み、燃料電池セル９の長さ方向に対し
て一様な濃度の燃料ガスが供給されることになり、この
ため、１本の燃料電池セル９内で均等に起電力が生じ、
燃料電池セル９のスタック２２では、異なる起電力の電
池を並列接続ではなく、直列接続した回路と等価にで
き、電力損失を大きく低減できる。In the fuel cell configured as described above, the fuel gas is introduced from the side of the cell, proceeds while being oxidized by power generation on the side of the cell, and has a uniform concentration in the length direction of the fuel cell 9. The fuel gas is supplied, so that an electromotive force is generated evenly in one fuel cell 9,
In the stack 22 of the fuel cells 9, cells having different electromotive forces can be equivalent to a circuit connected in series, not in parallel, and the power loss can be greatly reduced.
【００３１】[0031]
【発明の効果】本発明の燃料電池では、反応容器の一方
側面に、燃料電池セルの側方へ燃料ガスを供給する供給
孔を形成し、反応容器の他方側面に、燃料電池セルの側
方からの燃料ガスを排出する排出孔を設けたので、燃料
電池セルのスタックの側方から供給された燃料ガスが、
燃料電池セルのスタックの側方の反応容器から排出し、
燃料電池セルの長さ方向に対して一様な濃度の燃料ガス
が供給されることになり、このため、１本の燃料電池セ
ル内で均等に起電力が生じ、燃料電池セルのスタックで
は直列接続した回路と等価にでき、電力損失を大きく低
減できる。従って、従来のような異なる起電力の電池を
並列接続したものと等価な回路を除去できるため、電力
損失を大きく低減して、出力電力を大きく向上できる。According to the fuel cell of the present invention, a supply hole for supplying fuel gas to the side of the fuel cell is formed on one side of the reaction vessel, and the side of the fuel cell is formed on the other side of the reaction vessel. The fuel gas supplied from the side of the fuel cell stack is
Drain from the reaction vessel beside the stack of fuel cells,
The fuel gas is supplied at a uniform concentration in the length direction of the fuel cell, so that an electromotive force is generated evenly in one fuel cell and the fuel cell stack is connected in series. It can be equivalent to a connected circuit, and the power loss can be greatly reduced. Therefore, since a circuit equivalent to a conventional battery having different electromotive forces connected in parallel can be eliminated, power loss can be greatly reduced and output power can be greatly improved.
【図１】本発明の燃料電池の模式図である。FIG. 1 is a schematic view of a fuel cell of the present invention.
【図２】スタックを示す平面図である。FIG. 2 is a plan view showing a stack.
【図３】燃料電池セルの断面図である。FIG. 3 is a sectional view of a fuel cell unit.
【図４】燃料電池セルのガスの流れを説明するための説
明図である。FIG. 4 is an explanatory diagram for explaining a gas flow of a fuel cell.
【図５】従来の燃料電池を示す模式図である。FIG. 5 is a schematic diagram showing a conventional fuel cell.
【図６】従来の他の燃料電池を示す模式図である。FIG. 6 is a schematic view showing another conventional fuel cell.
１・・・反応容器 ９・・・固体電解質型燃料電池セル １４・・・給気孔 １９・・・排気孔 ２２・・・スタック ３７、３８・・・集電体 ４１・・・流通孔 DESCRIPTION OF SYMBOLS 1 ... Reaction container 9 ... Solid oxide fuel cell 14 ... Air supply hole 19 ... Exhaust hole 22 ... Stack 37, 38 ... Current collector 41 ... Flow hole
Claims (3)
ルを所定間隔を置いて立設して収容するとともに、前記
反応容器の一方側面に、前記燃料電池セルの側方へ燃料
ガスを供給する供給孔を形成し、前記反応容器の他方側
面に、前記燃料電池セルの側方からの燃料ガスを排出す
る排出孔を設けたことを特徴とする燃料電池。1. A plurality of bottomed tubular fuel cells are housed in a reaction vessel in a standing manner at predetermined intervals, and fuel is provided on one side of the reaction vessel to a side of the fuel cells. A fuel cell, wherein a supply hole for supplying gas is formed, and a discharge hole for discharging fuel gas from a side of the fuel cell is provided on the other side surface of the reaction vessel.
対向する側面に形成されていることを特徴とする請求項
１記載の燃料電池。2. The fuel cell according to claim 1, wherein the supply hole and the discharge hole for the fuel gas are formed on opposite side surfaces of the reaction vessel.
クから電力を取り出すための一対の集電体が、燃料ガス
の供給孔または排出孔に対向して設けられており、前記
集電体に流通孔が形成されていることを特徴とする請求
項１または２記載の燃料電池。3. A pair of current collectors for extracting electric power from a stack, which is an aggregate of a plurality of fuel cells, is provided facing a supply hole or a discharge hole of a fuel gas. 3. The fuel cell according to claim 1, wherein a flow hole is formed in the fuel cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21701499A JP3668058B2 (en) | 1999-07-30 | 1999-07-30 | Fuel cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21701499A JP3668058B2 (en) | 1999-07-30 | 1999-07-30 | Fuel cell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2001043888A true JP2001043888A (en) | 2001-02-16 |
| JP3668058B2 JP3668058B2 (en) | 2005-07-06 |
Family
ID=16697484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21701499A Expired - Fee Related JP3668058B2 (en) | 1999-07-30 | 1999-07-30 | Fuel cell |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3668058B2 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005235528A (en) * | 2004-02-18 | 2005-09-02 | Tokyo Gas Co Ltd | Power generation device |
| CN1298069C (en) * | 2003-08-26 | 2007-01-31 | 京瓷株式会社 | Container for fael cell,fuel cell and electronic apparatus |
| US7285352B2 (en) | 2002-12-02 | 2007-10-23 | Sanyo Electric Co., Ltd. | Separator for fuel cell and fuel cell therewith |
| JP2009087694A (en) * | 2007-09-28 | 2009-04-23 | Hitachi Ltd | Solid oxide fuel cell |
| JP2009129712A (en) * | 2007-11-23 | 2009-06-11 | Toto Ltd | Fuel cell module, and fuel cell equipped with the same |
| JP2011113890A (en) * | 2009-11-27 | 2011-06-09 | Tokyo Gas Co Ltd | Off-gas combustion device and off-gas combustion method of solid-oxide fuel cell |
-
1999
- 1999-07-30 JP JP21701499A patent/JP3668058B2/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7285352B2 (en) | 2002-12-02 | 2007-10-23 | Sanyo Electric Co., Ltd. | Separator for fuel cell and fuel cell therewith |
| CN1298069C (en) * | 2003-08-26 | 2007-01-31 | 京瓷株式会社 | Container for fael cell,fuel cell and electronic apparatus |
| JP2005235528A (en) * | 2004-02-18 | 2005-09-02 | Tokyo Gas Co Ltd | Power generation device |
| JP2009087694A (en) * | 2007-09-28 | 2009-04-23 | Hitachi Ltd | Solid oxide fuel cell |
| JP2009129712A (en) * | 2007-11-23 | 2009-06-11 | Toto Ltd | Fuel cell module, and fuel cell equipped with the same |
| JP2011113890A (en) * | 2009-11-27 | 2011-06-09 | Tokyo Gas Co Ltd | Off-gas combustion device and off-gas combustion method of solid-oxide fuel cell |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3668058B2 (en) | 2005-07-06 |
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