JP2001143726A - Solid electrolyte fuel cell - Google Patents
Solid electrolyte fuel cellInfo
- Publication number
- JP2001143726A JP2001143726A JP32398299A JP32398299A JP2001143726A JP 2001143726 A JP2001143726 A JP 2001143726A JP 32398299 A JP32398299 A JP 32398299A JP 32398299 A JP32398299 A JP 32398299A JP 2001143726 A JP2001143726 A JP 2001143726A
- Authority
- JP
- Japan
- Prior art keywords
- conductive member
- cell
- fuel cell
- wire
- solid oxide
- 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
-
- 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
- Fuel Cell (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は固体電解質を使用し
た燃料電池に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fuel cell using a solid electrolyte.
【０００２】[0002]
【従来の技術】図７は従来の固体電解質型燃料電池の主
要部の平面断面を示すものである。固体電解質型燃料電
池は、実用上十分な発電電力を得るために、数百本から
数千本のセル１を電気的に接続する必要がある。その
為、組立性、メンテナンス性などを考慮し９本から１８
本前後のセル１を導電部材４を介して電気的に接続し、
両端に一対の集電部材５を接続したセル集合体６を形成
し、これらを必要な数だけ接続することで十分な発電電
力を得ている。2. Description of the Related Art FIG. 7 is a plan sectional view of a main part of a conventional solid oxide fuel cell. In the solid oxide fuel cell, it is necessary to electrically connect hundreds to thousands of cells 1 in order to obtain practically sufficient generated power. Therefore, considering the ease of assembly and maintenance, etc., from 9 to 18
Before and after the cell 1 is electrically connected via a conductive member 4,
A sufficient amount of generated power is obtained by forming a cell assembly 6 in which a pair of current collecting members 5 are connected at both ends, and connecting them in a required number.
【０００３】セル１は、上端開放・下端閉（有底筒状）
のセラミックチューブである。セル１の断面は多層円筒
状をしており、空気極６、固体電解質層５、燃料極２等
の各層が積層されている。The cell 1 is open at the top and closed at the bottom (bottomed cylindrical).
Ceramic tube. The cross section of the cell 1 has a multilayer cylindrical shape, and layers such as an air electrode 6, a solid electrolyte layer 5, and a fuel electrode 2 are laminated.
【０００４】セル１の各層の肉厚は数μｍ〜１．５ｍｍ
であり、それぞれ必要な機能（導電性、通気性、固体電
解質、電気化学触媒性等）を有する酸化物を主成分とす
るセラミックス材で形成されている。このセル１の内面
に酸化剤（空気や酸素リッチガス等、以下空気という）
を流し、外面にＨ2、ＣＯ、ＣＨ4などの燃料ガスを流す
と、このセル内でＯ2-イオンが移動して電気化学的反応
が起こり、空気極６と燃料極２との間に電位差が生じ発
電が行われる。The thickness of each layer of the cell 1 is several μm to 1.5 mm
And are formed of a ceramic material containing an oxide as a main component, each having a necessary function (such as conductivity, air permeability, solid electrolyte, and electrochemical catalytic property). An oxidizing agent (air, oxygen-rich gas, etc., hereinafter referred to as air) is provided on the inner surface of the cell 1.
When a fuel gas such as H 2 , CO, or CH 4 is caused to flow on the outer surface, O 2− ions move in the cell to cause an electrochemical reaction, and a space between the air electrode 6 and the fuel electrode 2 is formed. A potential difference is generated and power is generated.
【０００５】セル１内には、空気を通すための細長い空
気導入管７が通っている。空気導入管７は、固体電解質
型燃料電池上部の空気分配器（図示しない）から下に出
てセル１内に入り、その下端はセル１の底近くにまで達
している。この空気導入管７の下端から、空気がセル１
の底に供給される。セル底に供給された空気は、上述の
発電反応に寄与しつつチューブ内を上方に向かい、セル
１上端部からセル１外に出て排気燃焼室（図示しない）
に至る。この排気燃焼室においては、後述する燃料ガス
排気と空気排気とが混合され、排気中の未反応の酸素と
燃料が燃焼する。[0005] A long and narrow air introducing pipe 7 for passing air passes through the cell 1. The air introduction pipe 7 extends downward from an air distributor (not shown) at the top of the solid oxide fuel cell and enters the cell 1, and its lower end reaches near the bottom of the cell 1. From the lower end of the air introduction pipe 7, air is supplied to the cell 1
Supplied to the bottom. The air supplied to the cell bottom is directed upward in the tube while contributing to the above-described power generation reaction, and exits the cell 1 from the upper end of the cell 1 to exhaust combustion chamber (not shown).
Leads to. In the exhaust combustion chamber, fuel gas exhaust and air exhaust described later are mixed, and unreacted oxygen and fuel in the exhaust burn.
【０００６】セル１の外面には、固体電解質型燃料電池
下部の燃料供給室（図示しない）から上方に向けて、燃
料ガスが供給される。燃料ガスは、上述の発電反応に寄
与しつつセル１外を上方に向かい、未反応部分の燃料ガ
スと、セル部での電気化学的燃焼反応生成物（ＣＯ2、
Ｈ2Ｏ等）は、上述の排気燃焼室に入る。排気燃焼室で
燃焼した後の顕熱は、燃料電池に供給される空気及び燃
料ガスの余熱に用いられたり、あるいは、通常の蒸気ボ
イラー・タービンを用いる発電システムに送られて発電
に利用される。A fuel gas is supplied to the outer surface of the cell 1 upward from a fuel supply chamber (not shown) below the solid oxide fuel cell. The fuel gas goes upward outside the cell 1 while contributing to the above-described power generation reaction, and the fuel gas in the unreacted portion and the electrochemical combustion reaction products (CO 2 ,
H 2 O, etc.) enters the exhaust combustion chamber described above. The sensible heat after combustion in the exhaust combustion chamber is used for residual heat of air and fuel gas supplied to the fuel cell, or sent to a power generation system using a normal steam boiler turbine for power generation. .
【０００７】次に、固体電解質型燃料電池におけるセル
１の電気的接続関係について説明する。セル１同士、ま
たはセル１と集電部材８、または集電部材８同士は導電
部材４により電気的に接続されている。図８はセル１同
士の直列方向の接続を示すもので、一方のセル１のイン
タコネクタ３と他方のセル１の燃料極２は導電部材４に
より接続されている。導電部材４は電気的接続と接続に
伴い発生する熱応力の緩和、及び導電部材４とセル１の
接合面への燃料供給のため、弾性及び通気性のある金属
繊維の集合体から成るシートを複数回折り畳んで形成さ
れ、材料としては水素雰囲気から発電によって生じた水
蒸気を含む雰囲気まで安定であるという理由からニッケ
ルが利用されている。Next, the electrical connection of the cells 1 in the solid oxide fuel cell will be described. The cells 1, the cell 1 and the current collecting member 8, or the current collecting members 8 are electrically connected by the conductive member 4. FIG. 8 shows the connection of the cells 1 in series. The interconnector 3 of one cell 1 and the fuel electrode 2 of the other cell 1 are connected by a conductive member 4. The conductive member 4 is a sheet made of an aggregate of elastic and gas-permeable metal fibers for electrical connection, relaxation of thermal stress generated due to the connection, and supply of fuel to the joint surface between the conductive member 4 and the cell 1. Nickel is used because it is formed by folding a plurality of layers and is stable as a material from a hydrogen atmosphere to an atmosphere containing water vapor generated by power generation.
【０００８】[0008]
【発明が解決しようとする課題】導電部材４は弾性及び
通気性に富んだ金属繊維の集合体であるため長期間の運
転において、嵩密度の変化、弾性の劣化、寸法形状の変
化が発生し、そのため許容以上の熱応力の発生、寸法変
化による燃料ガス流れの不均一、電気的接続の低下が発
生し発電性能が劣化するという問題があった。本発明
は、上記課題を解決するためになされたもので、本発明
の目的は、長期間の運転において安定した発電が実現で
きる導電部材を備えた固体電解質型燃料電池を提供する
ことにある。Since the conductive member 4 is an aggregate of metal fibers having high elasticity and air permeability, a change in bulk density, deterioration in elasticity, and a change in size and shape occur during a long-term operation. Therefore, there has been a problem that generation of an unacceptable thermal stress, non-uniform fuel gas flow due to dimensional change, and a decrease in electrical connection occur, thereby deteriorating power generation performance. The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to provide a solid oxide fuel cell including a conductive member capable of realizing stable power generation in long-term operation.
【０００９】[0009]
【課題を解決するための手段】第一の発明は、セル同
士、またはセルと集電部材、または集電部材同士を電気
的に接続する導電部材を具備した固体電解質型燃料電池
において、前記導電部材が剛性の異なる２種以上の材料
を積層したことを特徴とする固体電解質型燃料電池であ
る。ここにおけるセルは一般的には、多層中空円筒状に
積層された空気極、固体電解質層及び燃料極と、空気極
又は燃料極のうちの内面側の極に電気的に接続されてお
り円筒外面に表出するインターコネクターと、からなっ
ている。また、これらのセルが、セル外面の極と隣接す
るセルのインターコネクターとが導電部材により電気的
に接続された状態で配置され、一定の間隔で集電部材に
より区切られた形となっている。また、セルの中空部及
び外周部が、各々、空気（酸化剤）又は気体燃料の流路
を形成するように、配置されている。更には、このセル
集合体のセル外周部の流路にガスを供給するガス供給室
等から固体電解質型燃料電池は形成されている。According to a first aspect of the present invention, there is provided a solid oxide fuel cell comprising a conductive member for electrically connecting cells, cells and a current collecting member, or a current collecting member. A solid oxide fuel cell wherein the members are formed by laminating two or more materials having different rigidities. The cell here is generally electrically connected to the air electrode, the solid electrolyte layer, and the fuel electrode, which are stacked in a multilayer hollow cylindrical shape, and the inner electrode of the air electrode or the fuel electrode, and has a cylindrical outer surface. And an interconnector that appears in In addition, these cells are arranged in a state where the poles on the outer surface of the cell and the interconnectors of the adjacent cells are electrically connected by a conductive member, and are separated by a current collecting member at regular intervals. . Further, the hollow portion and the outer peripheral portion of the cell are arranged so as to form a flow path for air (oxidizing agent) or gaseous fuel, respectively. Further, a solid oxide fuel cell is formed from a gas supply chamber or the like for supplying gas to a flow path on the outer peripheral portion of the cell of the cell assembly.
【００１０】本発明に言う「剛性」とは一般的な意味で
の「こわさ」であり、材料の曲げに対する抵抗である。
「こわさ」は通常、弾性率と材料の厚みから一義的に決
定される値であるが、本発明の場合には、導電性部材と
していわゆるソリッドな材料の他に繊維の集合体として
の材料も適用され得るので、同種の材料であっても（つ
まり弾性率が同じであっても）繊維の集合の状態の違い
により「こわさ」すなわち「剛性」が異なることがあ
る。In the present invention, "stiffness" is "stiffness" in a general sense, and is a resistance to bending of a material.
"Stiffness" is usually a value uniquely determined from the elastic modulus and the thickness of the material, but in the case of the present invention, in addition to a so-called solid material as a conductive member, a material as a fiber aggregate is also used. Since it can be applied, the "stiffness" or "stiffness" may be different due to the difference in the state of the fiber aggregate even if the materials are of the same kind (that is, the elasticity is the same).
【００１１】本発明において、異なる剛性の材料を積層
する態様としては、 異種の材料であって、同程度の繊維の集合状態の、２
以上の材料の積層 異種の材料であって、繊維の集合状態の異なる、２以
上の材料の積層 同種の材料であって、繊維の集合状態の異なる、２以
上の材料の積層が考えられる。In the present invention, as a mode of laminating materials having different stiffness, two kinds of materials having different stiffness and having the same degree of fiber aggregation are used.
Lamination of the above-mentioned materials Lamination of two or more materials that are different materials and have different fiber aggregation states. Lamination of two or more materials that are the same kind of materials and have different fiber aggregation states can be considered.
【００１２】剛性の異なる導電性部材を積層することに
より、例えば主として熱応力緩和を目的とする剛性の低
い導電性部材と、主として長期間の運転における寸法形
状の安定性を目的とする剛性の高い導電性部材を組み合
わせることにより、安定した発電が実現できる。By laminating conductive members having different stiffness, for example, a conductive member having a low rigidity mainly for the purpose of relaxing thermal stress and a high rigid member mainly for the purpose of maintaining the dimensional shape in long-term operation are provided. By combining conductive members, stable power generation can be realized.
【００１３】第二の発明は、前記導電部材は、第１の材
料と、第１の材料よりも剛性の低い第２の材料とからな
り、前記第１の材料と第２の材料は、前記セルの長手方
向に平行に積層され、好ましくは更に前記導電部材によ
り接続されるセル同士間、またはセルと集電部材、また
は集電部材同士間の中間点に対し対称に積層されてなる
第一の発明記載の固体電解質型燃料電池である。In a second aspect of the present invention, the conductive member comprises a first material and a second material having a lower rigidity than the first material, wherein the first material and the second material are A first layer which is stacked in parallel with the longitudinal direction of the cell, and preferably further symmetrically stacked between cells connected by the conductive member, or between a cell and a current collecting member, or an intermediate point between the current collecting members. The solid oxide fuel cell according to the invention of the first aspect.
【００１４】このような積層構造の一例としては、剛性
の低い導電性部材を、剛性の高い導電性部材で挟み、サ
ンドイッチ構造とするものがある。あるいは、剛性の高
い導電性部材を、剛性の低い導電性部材で挟み、サンド
イッチ構造とするものもある。One example of such a laminated structure is a sandwich structure in which a conductive member having low rigidity is sandwiched between conductive members having high rigidity. Alternatively, a highly rigid conductive member may be sandwiched between low rigid conductive members to form a sandwich structure.
【００１５】剛性の低い導電性部材を剛性の高い導電性
部材で挟みこむ、あるいは剛性の高い導電性部材を剛性
の低い導電性部材で挟んだサンドイッチ構造とすること
で、導電部材は対称構造となり安定した組み合わせとな
る。特に剛性の高い導電性部材を剛性の低い導電性部材
で挟みこんだ構造では、セルの表面形状に剛性の低い導
電性部材がなじみやすく接続が容易となるため、更に望
ましい組み合わせとなる。[0015] The conductive member has a symmetrical structure by sandwiching a conductive member having low rigidity with a conductive member having high rigidity, or by sandwiching a conductive member having high rigidity with a conductive member having low rigidity. It becomes a stable combination. In particular, in a structure in which a high-rigidity conductive member is sandwiched between low-rigidity conductive members, the low-rigidity conductive member easily fits into the surface shape of the cell and the connection is easy, which is a more desirable combination.
【００１６】第三の発明は、前記導電部材を形成する材
料の少なくとも一つを線材としたことを特徴とする第一
の発明又は第二の発明記載の固体電解質型燃料電池であ
る。さらに、線材の長さを接合対象物間の最短距離より
も長くし、たるませる構造としてもよい。さらに、線材
に支線を付設してもよい。A third invention is the solid oxide fuel cell according to the first invention or the second invention, wherein at least one of the materials forming the conductive member is a wire. Further, the length of the wire may be longer than the shortest distance between the objects to be joined, and the wire may be slack. Further, a branch line may be attached to the wire.
【００１７】少なくとも一種類の導電性部材を線材と
し、セル、あるいは集電部材、あるいは他の導電性部材
と接続することで、熱応力の緩和、長期間の運転におけ
る寸法形状の安定性が向上し安定した発電が実現でき
る。さらに、線材の長さを接続対象物間の最短距離より
も長くし、たるませる構造とすることで、熱応力は著し
く緩和され安定した発電が実現できる。さらに、線材に
支線を付設することで線材と支線、あるいは支線同士が
絡み合い、従って接触頻度が多くなり、セル、あるいは
集電部材、あるいは他の導電性部材との電気的導通は良
好になる。By using at least one kind of conductive member as a wire and connecting it to a cell, a current collecting member, or another conductive member, the thermal stress is reduced and the dimensional shape stability in long-term operation is improved. And stable power generation can be realized. Furthermore, by making the length of the wire longer than the shortest distance between the objects to be connected and having a slack structure, thermal stress is remarkably relieved and stable power generation can be realized. Further, by providing a branch line to the wire, the wire and the branch line or the branch line are entangled with each other, so that the contact frequency increases, and the electrical continuity with the cell, the current collecting member, or another conductive member is improved.
【００１８】[0018]
【発明の実施の形態】図１は、本発明の導電部材をサン
ドイッチ構造とした一実施例を略示する図であり、従来
の図８に対応させて示したものである。隣接するセル１
同士を接続する導電部材４は、剛性の低い導電性部材１
４を剛性の高い導電性部材１３で挟んだサンドイッチ構
造としており、一方のセル１のインタコネクタ３と他方
のセル１の燃料極２を接続している。同様に図２はサン
ドイッチ構造とした他の実施例を略示する図であり、剛
性の高い導電性部材１３を、剛性の低い導電性部材１４
で挟んだサンドイッチ構造としており、一方のセル１の
インタコネクタ３と他方のセル１の燃料極２を接続して
いる。FIG. 1 is a view schematically showing an embodiment in which a conductive member according to the present invention has a sandwich structure, which is shown corresponding to FIG. Adjacent cell 1
The conductive members 4 for connecting each other are the conductive members 1 having low rigidity.
4 is sandwiched between conductive members 13 having high rigidity, and the interconnector 3 of one cell 1 and the fuel electrode 2 of the other cell 1 are connected. Similarly, FIG. 2 is a view schematically showing another embodiment having a sandwich structure, in which a conductive member 13 having high rigidity is replaced with a conductive member 14 having low rigidity.
, And the interconnector 3 of one cell 1 and the fuel electrode 2 of the other cell 1 are connected.
【００１９】剛性の高い導電性部材１３としては、ニッ
ケル板、発泡ニッケル、ニッケル細線プレス成形体等を
使用することができ、また剛性の低い導電性部材１４と
してはニッケルフェルト等を使用することができる。同
一の導電性部材でも、プレス成形等により気孔率を変化
させることで、目的に応じた剛性の異なる導電性部材を
得ることが可能である。例えばニッケルフェルトをプレ
ス成形し気孔率を変えることで、プレス成形前に比べ剛
性を高めることができる。As the conductive member 13 having high rigidity, a nickel plate, a foamed nickel, a nickel fine wire press-molded body or the like can be used. As the conductive member 14 having low rigidity, nickel felt or the like can be used. it can. Even with the same conductive member, by changing the porosity by press molding or the like, it is possible to obtain conductive members having different rigidities according to the purpose. For example, by changing the porosity by press-molding nickel felt, it is possible to increase the rigidity as compared to before press-molding.
【００２０】図３は、本発明の少なくとも一種類の導電
性部材を線材とした一実施例を示す略図であり、隣接す
るセル１同士において、一方のセル１のインタコネクタ
３と線材１５の一端を導電性部材１０を介して接合し、
他方のセル１の燃料極２と線材１２の他端も同様に導電
性部材１０を介して接合している。図４は本発明の少な
くとも一種類の導電性部材を線材とした他の実施例を示
す略図であり、線材１５の長さを接続対象である導電性
部材１０間の最短距離よりも長くし、たるませた構造と
している。図５は、本発明の少なくとも一種類の導電性
部材を線材とした他の実施例を略示する図であり、線材
１５を複数回折り返し、導電性部材１０を介して一方の
セル１のインタコネクタ３と他方のセル１の燃料極２を
接続している。FIG. 3 is a schematic view showing an embodiment in which at least one kind of conductive member of the present invention is a wire. In adjacent cells 1, an interconnector 3 of one cell 1 and one end of a wire 15 are shown. Are joined via the conductive member 10,
Similarly, the fuel electrode 2 of the other cell 1 and the other end of the wire 12 are joined via the conductive member 10. FIG. 4 is a schematic view showing another embodiment in which at least one kind of conductive member of the present invention is a wire, in which the length of the wire 15 is longer than the shortest distance between the conductive members 10 to be connected, It has a sagging structure. FIG. 5 is a view schematically showing another embodiment of the present invention in which at least one kind of conductive member is a wire. The wire 15 is folded a plurality of times, and the interface of one cell 1 is interposed via the conductive member 10. The connector 3 is connected to the fuel electrode 2 of the other cell 1.
【００２１】図６は、本発明の線材に支線を付設した一
実施例を略示する図であり、導電性部材１０と線材１５
の接合は、線材１５の他に線材１５に付設した支線１６
も接合するため接触頻度が多く、電気的導通は良好とな
る。図示はしないが短線を、突起あるいは細線とする事
でも同様の効果を得ることができる。図示しないが、セ
ル１と集電部材５、集電部材５同士も同様に接続してい
る。FIG. 6 is a view schematically showing an embodiment in which a branch wire is attached to the wire of the present invention.
Is connected to the branch wire 16 attached to the wire 15 in addition to the wire 15.
Are also joined, so that the contact frequency is high and the electrical continuity is good. Although not shown, the same effect can be obtained by making the short line a protrusion or a thin line. Although not shown, the cell 1, the current collecting member 5, and the current collecting members 5 are similarly connected.
【００２２】[0022]
【発明の効果】本発明は上記構成により次の効果を発揮
する。剛性の異なる導電性部材を積層しサンドイッチ構
造とすることにより、熱応力緩和と長期間の運転におけ
る寸法形状の安定性が向上し安定した発電が実現でき
る。また、導電性部材を線材とすることで、熱応力の緩
和、長期間の運転における寸法形状の安定性が向上し安
定した発電が実現できる。さらに、線材の長さを接合対
象物間の最短距離よりも長くし、たるませる構造とする
ことで、熱応力は著しく緩和される。さらに、線材に支
線を付設することで線材と短線が絡み合い、従って接触
頻度が多くなり、電気的導通は良好になる。従って、長
期間の運転において安定した発電が実現できる。According to the present invention, the following effects are exhibited by the above configuration. By stacking conductive members having different rigidities to form a sandwich structure, thermal stress relaxation and dimensional stability during long-term operation are improved, and stable power generation can be realized. In addition, by using the conductive member as a wire, thermal stress can be reduced, and dimensional stability in long-term operation can be improved, and stable power generation can be realized. Further, by making the length of the wire longer than the shortest distance between the objects to be joined and making it slack, thermal stress is remarkably reduced. Further, by providing a branch line to the wire, the wire and the short wire are entangled with each other, so that the contact frequency is increased and the electrical conduction is improved. Therefore, stable power generation can be realized in long-term operation.
【図１】本発明の導電部材をサンドイッチ構造とした一
実施例を略示する図。FIG. 1 is a diagram schematically showing an embodiment in which a conductive member of the present invention has a sandwich structure.
【図２】本発明の導電部材をサンドイッチ構造とした他
の実施例を略示する図。FIG. 2 is a view schematically showing another embodiment in which the conductive member of the present invention has a sandwich structure.
【図３】本発明の導電性部材を線材とした一実施例を略
示する図。FIG. 3 is a diagram schematically showing an embodiment in which the conductive member of the present invention is a wire.
【図４】本発明の導電性部材を線材とした他の実施例を
略示する図。FIG. 4 is a view schematically showing another embodiment in which the conductive member of the present invention is a wire.
【図５】本発明の導電性部材を線材とした他の実施例を
略示する図。FIG. 5 is a view schematically showing another embodiment in which the conductive member of the present invention is a wire.
【図６】本発明の線材に短線を付設した一実施例を略示
する図。FIG. 6 is a view schematically showing an embodiment in which a short wire is added to the wire of the present invention.
【図７】従来の固体電解質型燃料電池の一接続例を略示
する図である。FIG. 7 is a diagram schematically illustrating a connection example of a conventional solid oxide fuel cell.
【図８】図７の部分拡大図8 is a partially enlarged view of FIG. 7;
１ セル ２ 燃料極 ３ インタコネクタ ４ 導電部材 ５ 固体電解質 ６ 空気極 ７ 空気導入管 ８ 集電部材 ９ セル集合体 １０ 導電性部材 １３ 剛性の高い導電性部材 １４ 剛性の低い導電性部材 １５ 線材 １６ 支線 REFERENCE SIGNS LIST 1 cell 2 fuel electrode 3 interconnector 4 conductive member 5 solid electrolyte 6 air electrode 7 air introduction pipe 8 current collecting member 9 cell assembly 10 conductive member 13 conductive member having high rigidity 14 conductive member having low rigidity 15 wire rod 16 Branch line
Claims (6)
は集電部材同士を電気的に接続する導電部材を具備した
固体電解質型燃料電池において、前記導電部材が剛性の
異なる２種以上の材料を積層したことを特徴とする固体
電解質型燃料電池。1. A solid oxide fuel cell comprising a cell, a cell and a current collecting member, or a conductive member for electrically connecting the current collecting members, wherein the conductive member has two or more materials having different rigidities. A solid oxide fuel cell comprising:
材料よりも剛性の低い第２の材料とからなり、前記第１
の材料と第２の材料は、前記セルの長手方向に平行に積
層されてなる請求項１記載の固体電解質型燃料電池。2. The method according to claim 1, wherein the conductive member is made of a first material and a second material having a lower rigidity than the first material.
2. The solid oxide fuel cell according to claim 1, wherein said material and said second material are laminated in parallel with a longitudinal direction of said cell.
材料よりも剛性の低い第２の材料とからなり、前記第１
の材料と第２の材料は、前記セルの長手方向に平行に積
層され、かつ前記導電部材により接続されるセル同士
間、またはセルと集電部材、または集電部材同士間の中
間点に対し対称に積層されてなる請求項１記載の固体電
解質型燃料電池。3. The conductive member comprises a first material and a second material having a lower rigidity than the first material.
The material and the second material are stacked in parallel with the longitudinal direction of the cell, and between cells connected by the conductive member, or between the cell and the current collecting member, or with respect to an intermediate point between the current collecting members. 2. The solid oxide fuel cell according to claim 1, which is symmetrically stacked.
も一つを線材としたことを特徴とする請求項１乃至３い
ずれか１項記載の固体電解質型燃料電池。4. The solid oxide fuel cell according to claim 1, wherein at least one of the materials forming the conductive member is a wire.
離よりも長くしたことを特徴とする請求項４記載の固体
電解質型燃料電池。5. The solid oxide fuel cell according to claim 4, wherein the length of the wire is longer than the shortest distance between objects to be joined.
する請求項４又は５記載の固体電解質型燃料電池。6. The solid oxide fuel cell according to claim 4, wherein a branch line is attached to the wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32398299A JP2001143726A (en) | 1999-11-15 | 1999-11-15 | Solid electrolyte fuel cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32398299A JP2001143726A (en) | 1999-11-15 | 1999-11-15 | Solid electrolyte fuel cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2001143726A true JP2001143726A (en) | 2001-05-25 |
Family
ID=18160808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP32398299A Pending JP2001143726A (en) | 1999-11-15 | 1999-11-15 | Solid electrolyte fuel cell |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2001143726A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002231276A (en) * | 2001-01-30 | 2002-08-16 | Kyocera Corp | Fuel cell |
| JP2002260706A (en) * | 2001-02-27 | 2002-09-13 | Kyocera Corp | Fuel cell |
| JP2014011038A (en) * | 2012-06-29 | 2014-01-20 | Kyocera Corp | Cell stack device and fuel battery module and fuel battery device |
| JP2014179245A (en) * | 2013-03-14 | 2014-09-25 | Kyocera Corp | Electrochemical cell stack device and electrochemical apparatus |
| JP2015118854A (en) * | 2013-12-19 | 2015-06-25 | 京セラ株式会社 | Cell stack device, fuel cell module and fuel cell device |
-
1999
- 1999-11-15 JP JP32398299A patent/JP2001143726A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002231276A (en) * | 2001-01-30 | 2002-08-16 | Kyocera Corp | Fuel cell |
| JP4663137B2 (en) * | 2001-01-30 | 2011-03-30 | 京セラ株式会社 | Fuel cell |
| JP2002260706A (en) * | 2001-02-27 | 2002-09-13 | Kyocera Corp | Fuel cell |
| JP4683742B2 (en) * | 2001-02-27 | 2011-05-18 | 京セラ株式会社 | Fuel cell |
| JP2014011038A (en) * | 2012-06-29 | 2014-01-20 | Kyocera Corp | Cell stack device and fuel battery module and fuel battery device |
| JP2014179245A (en) * | 2013-03-14 | 2014-09-25 | Kyocera Corp | Electrochemical cell stack device and electrochemical apparatus |
| JP2015118854A (en) * | 2013-12-19 | 2015-06-25 | 京セラ株式会社 | Cell stack device, fuel cell module and fuel cell device |
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