JPS62283570A - High temperature solid electrolyte type fuel cell - Google Patents

High temperature solid electrolyte type fuel cell

Info

Publication number
JPS62283570A
JPS62283570A JP61126626A JP12662686A JPS62283570A JP S62283570 A JPS62283570 A JP S62283570A JP 61126626 A JP61126626 A JP 61126626A JP 12662686 A JP12662686 A JP 12662686A JP S62283570 A JPS62283570 A JP S62283570A
Authority
JP
Japan
Prior art keywords
module
stack
exhaust gas
heat
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
Application number
JP61126626A
Other languages
Japanese (ja)
Inventor
Seiichi Tanabe
清一 田辺
Toshiki Motai
甕　聰樹
Eishiro Sasagawa
英四郎 笹川
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to JP61126626A priority Critical patent/JPS62283570A/en
Publication of JPS62283570A publication Critical patent/JPS62283570A/en
Pending legal-status Critical Current

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
    • H01M8/06—Combination of fuel cells with means for production of reactants or for treatment of residues
    • H01M8/0606—Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants
    • H01M8/0612—Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants from carbon-containing material
    • H01M8/0625—Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants from carbon-containing material in a modular combined reactor/fuel cell structure
    • 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
    • H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
    • H01M8/04014—Heat exchange using gaseous fluids; Heat exchange by combustion of reactants
    • 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
    • H01M8/2425—High-temperature cells with solid electrolytes
    • H01M8/243—Grouping of unit cells of tubular or cylindrical configuration
    • 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
    • H01M8/10—Fuel cells with solid electrolytes
    • H01M8/12—Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte
    • H01M2008/1293—Fuel cells with solid oxide electrolytes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2300/00—Electrolytes
    • H01M2300/0017—Non-aqueous electrolytes
    • H01M2300/0065—Solid electrolytes
    • H01M2300/0068—Solid electrolytes inorganic
    • H01M2300/0071—Oxides
    • H01M2300/0074—Ion conductive at high temperature
    • 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
    • H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
    • H01M8/04014—Heat exchange using gaseous fluids; Heat exchange by combustion of reactants
    • H01M8/04022—Heating by combustion
    • 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

PURPOSE:To improve the plant efficiency and reduce the necessary space for the plant, by incorporating at least one each of individual appliances in a module, as well as reducing the loss of radiating heat capacity from the whole module. CONSTITUTION:A fuel is led into a module 1, given a preheating and a reform reaction at a fuel reformer 6 with a high temperature atmosphere, and led through the first linking pipe 32 to each stack 2. On the other hand, the air enters in the module 1, and after heated at an air preheater 4 while recovering the exhaust heat of a stack exhaust gas, enters to the each stack 2 through a linking pipe 31. The exhaust gas after the reaction and the combustion in the stack enters an exhaust gas flue 5 through a linking pipe 33, and after carrying out several kinds of heat exchanges to recover the exhaust heat, it is exhausted from the exhaust gas outlet 5a of the module. Furthermore, a steam generator 7 is incorporated in the module 1 to recover the exhaust heat effectively.

Description

【発明の詳細な説明】 ３、発明の詳細な説明 ［産業上の利用分野］ 本発明は、高温固体電解質型燃料電池の改良に関する。[Detailed description of the invention] 3. Detailed description of the invention [Industrial application field] The present invention relates to improvements in high temperature solid oxide fuel cells.

［従来の技術］ 周知の如く、高温固体電解質型燃料電池（以下、５ｏ１
１ｄ　０ｘｉｄｅ　Ｆｕｅｌ　Ｃｅ１ｌ、　５ＯＦＣと
いう）は、約１０００℃という高温で作動するため、放
散熱量を少なくするために厚い断熱層が必要となり、モ
ジュール体積も大きくなる。また、発電プラントとする
ためには空気予熱器、燃料予熱器、燃料改質装置、蒸気
発生器などが必要とされ、効率、コスト及びプラント占
有面積などからみてもモジュールによるコンパクト化が
望まれている。[Prior art] As is well known, high temperature solid electrolyte fuel cells (hereinafter referred to as 5o1
Since the 1d Oxide Fuel Cell (5OFC) operates at a high temperature of approximately 1000°C, a thick heat insulating layer is required to reduce the amount of heat dissipated, and the module volume also becomes large. Additionally, a power generation plant requires an air preheater, fuel preheater, fuel reformer, steam generator, etc., and from the standpoint of efficiency, cost, and plant footprint, it is desirable to use modules to make it more compact. There is.

［発明が解決しようとする問題点〕 しかしながら、従来技術によれば、燃料電池が約１００
０℃という高温で作動するため、その放散熱量を少なく
するためにはかなり厚い断熱層が必要となる。従って、
モジュールの大きさもかなり大きくなる。また、燃料電
池発電プラントとするためには、空気予熱器、燃料改質
装置等が必要となる。従って、多大なスペースが必要に
なるとともに、個々の機器をそれぞれ独立に設置するこ
とにより建設コストの増加のみならず放散熱量等の損失
の増加によるプラント効率の低下を招き、実用化の大き
な問題となっている。[Problems to be solved by the invention] However, according to the prior art, the fuel cell
Since it operates at a high temperature of 0°C, a fairly thick insulation layer is required to reduce the amount of heat dissipated. Therefore,
The size of the module will also be quite large. In addition, in order to create a fuel cell power generation plant, an air preheater, a fuel reformer, etc. are required. Therefore, a large amount of space is required, and installing each piece of equipment independently not only increases construction costs but also reduces plant efficiency due to increased losses such as dissipated heat, which is a major problem in practical application. It has become.

本発明は上記事情に鑑みてなされたもので、モジュール
全体からの放散熱量等の損失を低減してプラント効率を
向上するとともに、モジュール中に各種機器を少なくと
も１つ内蔵してプラント必要スペースの低減をなしえる
高温固体電解質型燃料電池を提供することを目的とする
。The present invention has been made in view of the above circumstances, and improves plant efficiency by reducing losses such as the amount of heat dissipated from the entire module, and also reduces the space required for the plant by incorporating at least one of various devices in the module. The purpose of the present invention is to provide a high-temperature solid electrolyte fuel cell that can achieve the following.

〔問題点を解決するための手段］ 本発明は、円筒型のモジュール内に燃焼室を有する固体
電解質型スタックを設け、このスタックと前記モジュー
ル壁面との間の一部又は全部に前記スタックからの排ガ
スを通す排ガス煙道を設け、更に前記スタックとモジュ
ール壁面との間の一部又は全部に蒸気発生器、空気予熱
器、燃料予熱器又は燃料改質装置のうち少なくとも１つ
を設けることを特徴とし、プラント効率の向上とプラン
ト必要スペースの低減を図った。[Means for Solving the Problems] The present invention provides a solid electrolyte stack having a combustion chamber in a cylindrical module, and a part or all of the space between the stack and the module wall is filled with air from the stack. An exhaust gas flue for passing exhaust gas is provided, and at least one of a steam generator, an air preheater, a fuel preheater, or a fuel reformer is provided partially or entirely between the stack and the module wall surface. The aim was to improve plant efficiency and reduce the space required for the plant.

［作用］ 本発明によれば、スタックからの放散熱量を少なくして
プラント効率を向上できるとともに、スタックの排熱の
有効回収、プラント必要スペースの低減をなしえる。[Operation] According to the present invention, the amount of heat dissipated from the stack can be reduced to improve plant efficiency, and the exhaust heat of the stack can be effectively recovered and the space required for the plant can be reduced.

〔実施例］ 以下、本発明の一実施例を第１図及び第２図を参照して
説明する。ここで、第１図は本発明の一実施例による燃
料電池装置の断面図、第２図は第１図のＡ−Ｂ線方向に
切断した縦断面図である。[Example] An example of the present invention will be described below with reference to FIGS. 1 and 2. Here, FIG. 1 is a sectional view of a fuel cell device according to an embodiment of the present invention, and FIG. 2 is a longitudinal sectional view taken along line A-B in FIG. 1.

図中の１は、円筒状のモジュールである。このモジュー
ルの中央部には、高温固体電解質型燃料電池スタック（
以下、スタックという）２・・・が４個８２層されてい
る。これらのスタック２・・・には、空気供給用の第１
接続管３１、燃料供給用の第２接続管３２、排ガス用の
第３接続管３３が夫々連結されている。前記モジュール
１の最外側には、モジュール空気取入口４ａを備えた空
気予熱器４が設けられている。前記スタック２と空気予
熱器４との間には、スタック２からの排ガスを通す排ガ
ス煙道５が設けられている。この煙道５にはモジュール
排ガス出口５ａが設けられている。前記スタック２と排
ガス煙道５との間には、モジュール燃料取入口６ａを備
えた燃料改質装置６、及び蒸気発生器７が設けられてい
る。また、前記モジュールの外表には保温断熱材８が設
けられている。1 in the figure is a cylindrical module. The central part of this module contains a high-temperature solid oxide fuel cell stack (
There are 82 layers of 4 pieces (hereinafter referred to as stacks) 2.... These stacks 2... have a first
A connecting pipe 31, a second connecting pipe 32 for fuel supply, and a third connecting pipe 33 for exhaust gas are connected to each other. At the outermost side of the module 1, an air preheater 4 with a module air intake 4a is provided. An exhaust gas flue 5 is provided between the stack 2 and the air preheater 4, through which the exhaust gas from the stack 2 passes. This flue 5 is provided with a module exhaust gas outlet 5a. A fuel reformer 6 having a module fuel intake 6a and a steam generator 7 are provided between the stack 2 and the exhaust gas flue 5. Further, a heat-retaining and insulating material 8 is provided on the outer surface of the module.

こうした構造の燃料電池装置において、燃料は前記燃料
取入口６ａを通してモジュール１内に導入され、９００
℃程度の高温雰囲気にある燃料改質装置６で予熱及び改
質反応が行なわれて第１接続管３２を通して各スタック
２へ入いる。一方、空気は前記空気取入口４ａよりモジ
ュール１に入り、空気予熱器４でスタック排ガスの排熱
を回収し適温に昇温された後接続管３、を通して各スタ
ック２へ入いる。前記スタック２内で反応並びに燃焼さ
れた後の排ガスは、接続管３３　　を通して排ガス煙道
５に入り、各種熱交換を行なって排熱が回収された後モ
ジュール排ガス出口５ａからモジュール外へと排出され
る。また、モジュール１内には蒸気発生器を内蔵させる
ことにより排熱を有効に回収させる。更に、モジュール
１の外表には保温断熱材８を取り付けてモジュール全体
からの放散熱量を減少させている。In the fuel cell device having such a structure, fuel is introduced into the module 1 through the fuel intake port 6a, and the fuel is introduced into the module 1 through the fuel intake port 6a.
Preheating and reforming reactions are performed in the fuel reformer 6 in a high temperature atmosphere of approximately 0.degree. C., and the fuel enters each stack 2 through the first connecting pipe 32. On the other hand, air enters the module 1 through the air intake port 4a, recovers the exhaust heat of the stack exhaust gas in the air preheater 4, is heated to an appropriate temperature, and then enters each stack 2 through the connecting pipe 3. The exhaust gas that has been reacted and burned in the stack 2 enters the exhaust gas flue 5 through the connecting pipe 33, performs various heat exchanges, recovers exhaust heat, and is then discharged to the outside of the module from the module exhaust gas outlet 5a. Ru. Further, by incorporating a steam generator inside the module 1, exhaust heat can be effectively recovered. Furthermore, a heat insulating material 8 is attached to the outer surface of the module 1 to reduce the amount of heat dissipated from the entire module.

上記実施例によれば、以下に示す効果を有する。According to the above embodiment, the following effects are achieved.

■スタック２をモジュール１の中央部に配置し、該スタ
ック２を高温な排ガスが通る排ガス煙道５で囲むように
するため、スタック２とその周囲との温度差が小さくな
り、スタック２からの放散熱量を低減できる。もって、
プラント効率を向上できる。■Since the stack 2 is placed in the center of the module 1 and is surrounded by the exhaust gas flue 5 through which high-temperature exhaust gas passes, the temperature difference between the stack 2 and its surroundings is reduced, and the The amount of heat dissipated can be reduced. With that,
Plant efficiency can be improved.

■スタック２とモジュール壁面との間のスペース及びそ
の壁面を利用して空気予熱器４、燃料改質装置６、蒸気
発生器７などを内蔵させることにより、スタック２から
の廃熱を有効に利用できるとともに、プラント必要スペ
ースを低減できる。■By utilizing the space between the stack 2 and the module wall and that wall to incorporate the air preheater 4, fuel reformer 6, steam generator 7, etc., waste heat from the stack 2 is effectively used. At the same time, the space required for the plant can be reduced.

［発明の効果］ 以上詳述した如く本発明によれば、モジュール全体から
の放散熱量等の損失を低減してプラント効率を向上する
とともに、モジュール中に各種機器を少なくとも１つ内
蔵してプラント必要スペースの低減をなしえる高温固体
電解質型燃料電池を提供できる。[Effects of the Invention] As detailed above, according to the present invention, plant efficiency is improved by reducing losses such as the amount of heat dissipated from the entire module, and at least one of various devices is built into the module to improve plant efficiency. It is possible to provide a high temperature solid electrolyte fuel cell that requires less space.

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本発明の一実施例による燃料電池装置の断面図
、第２図は第１図のＡ−Ｂ線に沿う縦断面図である。 １・・・モジュール、２ａ・・・セル、２・・・スタッ
ク、３．．３２，３．・・・接続管、４・・・空気予熱
器、４ａ・・・モジュール空気取入口、５・・・排ガス
煙道、５ａ・・・モジュール排ガス出口、６・・・燃料
改質装置、６ａ・・・モジュール燃料取入口、７・・・
蒸気発生器、８・・・保温断熱材。FIG. 1 is a sectional view of a fuel cell device according to an embodiment of the present invention, and FIG. 2 is a longitudinal sectional view taken along the line A-B in FIG. 1. 1...Module, 2a...Cell, 2...Stack, 3. ．． 32,3. ... Connection pipe, 4 ... Air preheater, 4a ... Module air intake, 5 ... Exhaust gas flue, 5a ... Module exhaust gas outlet, 6 ... Fuel reformer, 6a. ...Module fuel intake, 7...
Steam generator, 8...Heat insulation material.

Claims (1)

【特許請求の範囲】[Claims] 円筒形のモジュール内に燃焼室を有する固体電解質型ス
タックを設け、このスタックと前記モジュール壁面との
間の一部又は全部に前記スタックからの排ガスを通す排
ガス煙道を設け、更に前記スタックとモジュール壁面と
の間の一部又は全部に蒸気発生器、空気予熱器、燃料予
熱器又は燃料改質装置のうち少なくとも１つを設けるこ
とを特徴とする高温固体電解質型燃料電池。A solid electrolyte stack having a combustion chamber is provided in a cylindrical module, an exhaust gas flue for passing exhaust gas from the stack is provided in part or all between the stack and the module wall, and the stack and the module are further provided with an exhaust gas flue for passing exhaust gas from the stack. A high-temperature solid oxide fuel cell characterized in that at least one of a steam generator, an air preheater, a fuel preheater, or a fuel reformer is provided partially or entirely between the cell and a wall surface.
JP61126626A 1986-05-31 1986-05-31 High temperature solid electrolyte type fuel cell Pending JPS62283570A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP61126626A JPS62283570A (en) 1986-05-31 1986-05-31 High temperature solid electrolyte type fuel cell

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61126626A JPS62283570A (en) 1986-05-31 1986-05-31 High temperature solid electrolyte type fuel cell

Publications (1)

Publication Number Publication Date
JPS62283570A true JPS62283570A (en) 1987-12-09

Family

ID=14939846

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61126626A Pending JPS62283570A (en) 1986-05-31 1986-05-31 High temperature solid electrolyte type fuel cell

Country Status (1)

Country Link
JP (1) JPS62283570A (en)

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0374636A1 (en) * 1988-12-20 1990-06-27 Asea Brown Boveri Ag Process for the conversion of the chemical potential energy of a material into electrical energy by a high-temperature electrochemical process
WO1991011034A1 (en) * 1990-01-10 1991-07-25 International Fuel Cells Corporation Molten carbonate fuel cell power plant
JPH04119957U (en) * 1991-04-12 1992-10-27 日立造船エンジニアリング株式会社 Fuel cell
EP0654838A1 (en) * 1993-11-24 1995-05-24 Sulzer Innotec Ag Device comprising high-temperature fuel cells and method of starting said device
EP0724780A4 (en) * 1993-10-06 1996-09-11
EP0742960A1 (en) * 1994-02-04 1996-11-20 Ceramatec, Inc. Fuel cell module with multiple fuel cell stacks
EP0889537A1 (en) * 1997-07-03 1999-01-07 Siemens Aktiengesellschaft High-temperature fuel cell installation
JP2004319462A (en) * 2003-03-28 2004-11-11 Kyocera Corp Fuel cell assembly
JP2005019035A (en) * 2003-06-24 2005-01-20 Mitsubishi Materials Corp Fuel cell
JP2005530326A (en) * 2002-06-21 2005-10-06 フュエルセル エナジー リミテッド Fuel cell heat insulation heat exchanger
JP2006019084A (en) * 2004-06-30 2006-01-19 Kyocera Corp Reformer for fuel cell
WO2007066618A1 (en) 2005-12-05 2007-06-14 Mitsubishi Materials Corporation Fuel cell
WO2007110587A2 (en) * 2006-03-24 2007-10-04 Ceres Intellectual Property Company Limited Sofc stack system assembly with thermal enclosure
EP1970988A1 (en) * 2005-12-05 2008-09-17 Mitsubishi Materials Corporation Fuel cell
JP2008300275A (en) * 2007-06-01 2008-12-11 Toto Ltd Fuel cell
JP2008300276A (en) * 2007-06-01 2008-12-11 Toto Ltd Fuel cell
WO2009060568A1 (en) * 2007-11-09 2009-05-14 Nissan Motor Co., Ltd. Fuel cell assembly
JP2009129712A (en) * 2007-11-23 2009-06-11 Toto Ltd Fuel cell module, and fuel cell equipped with the same
JP2010177206A (en) * 2010-04-02 2010-08-12 Mitsubishi Materials Corp Fuel cell
US7862939B2 (en) 2003-03-28 2011-01-04 Kyocera Corporation Fuel cell assembly and electricity generation unit used in same
JP2011238363A (en) * 2010-05-06 2011-11-24 Kawasaki Heavy Ind Ltd Fuel cell
EP2713430A1 (en) * 2012-09-28 2014-04-02 Toto Ltd. Solid oxide fuel cell device
WO2014129656A1 (en) * 2013-02-25 2014-08-28 住友精密工業株式会社 Fuel cell module

Cited By (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0374636A1 (en) * 1988-12-20 1990-06-27 Asea Brown Boveri Ag Process for the conversion of the chemical potential energy of a material into electrical energy by a high-temperature electrochemical process
WO1991011034A1 (en) * 1990-01-10 1991-07-25 International Fuel Cells Corporation Molten carbonate fuel cell power plant
US5084363A (en) * 1990-01-10 1992-01-28 International Fuel Cells Corp. Molten carbonate fuel cell power plant
JPH04119957U (en) * 1991-04-12 1992-10-27 日立造船エンジニアリング株式会社 Fuel cell
EP0724780A4 (en) * 1993-10-06 1996-09-11
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