JPS63119163A - Fuel cell generating system - Google Patents
Fuel cell generating systemInfo
- Publication number
- JPS63119163A JPS63119163A JP61265047A JP26504786A JPS63119163A JP S63119163 A JPS63119163 A JP S63119163A JP 61265047 A JP61265047 A JP 61265047A JP 26504786 A JP26504786 A JP 26504786A JP S63119163 A JPS63119163 A JP S63119163A
- Authority
- JP
- Japan
- Prior art keywords
- exhaust gas
- fuel cell
- moisture
- steam
- psa
- 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
- 239000000446 fuel Substances 0.000 title claims abstract description 20
- 238000011084 recovery Methods 0.000 claims abstract description 13
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 238000010248 power generation Methods 0.000 claims description 15
- 238000000926 separation method Methods 0.000 claims description 5
- 239000007784 solid electrolyte Substances 0.000 claims description 3
- 239000000376 reactant Substances 0.000 claims description 2
- 239000007789 gas Substances 0.000 abstract description 46
- 238000002407 reforming Methods 0.000 abstract description 4
- 239000002918 waste heat Substances 0.000 abstract description 3
- 239000007795 chemical reaction product Substances 0.000 abstract 1
- 229910001868 water Inorganic materials 0.000 description 9
- 238000010586 diagram Methods 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- 239000003463 adsorbent Substances 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000002336 sorption--desorption measurement Methods 0.000 description 1
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
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
- H01M8/04119—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying
-
- 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)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は固体電解質型燃料電池（５ｏｌｉｄ ｏＸｉｄ
ｅｄＦｕｅｌ Ｃａ１ｌ ： ５ＯＦＣ）又は溶融炭酸
塩型燃料電池を有する発電システムの改良に関する。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a solid oxide fuel cell (solid oxide fuel cell).
edFuel Ca1l: 5OFC) or a molten carbonate fuel cell.
近年、エネルギ需要の増加、化石燃料である石油９石炭
等の不足により、新技術高効率発電システムの開発の要
求が、以前にも増して強くなっている。そこで以前よυ
高効率発電システムとじて注目され、開発が進められて
いるものとして、５ＯＦＣによる発電システムがある。In recent years, due to an increase in energy demand and a shortage of fossil fuels such as petroleum and coal, the demand for the development of new technology and high efficiency power generation systems has become stronger than ever. That's where it was before.
A power generation system using 5OFC is attracting attention as a highly efficient power generation system and is currently being developed.
従来型５ＯＦＣ発電システムの一例として第３図に示す
。An example of a conventional 5OFC power generation system is shown in FIG.
第３図において、大気中よシ供給された空気はエアーヒ
ータ長コンパスタ５において予熱され、固体電解質３を
有する５ＯＦＣＪのカソード２を通シ、エアーヒータ＆
コンパスタ５に導びかれ、アノード４を通ってきた燃料
ガスと混合、燃焼される。エアーヒータ長コンパスタ５
を出た燃焼排ガスはガスタービン６、排熱回収ボイ２７
を通り、エネルギ回収を行なった後、そのまま煙突９よ
シ排出される。また、排熱回収？イラ７で発生した水蒸
気はスチームタービン８へ導ひかれる。In FIG. 3, air supplied from the atmosphere is preheated in an air heater long comparator 5, passed through a cathode 2 of a 5OFCJ having a solid electrolyte 3, and then passed through an air heater &
The gas is guided to the comparator 5, mixed with the fuel gas that has passed through the anode 4, and burned. Air heater length comparator 5
The combustion exhaust gas that exits the gas turbine 6 and the exhaust heat recovery boiler 27.
After the energy is recovered, it is discharged directly through the chimney 9. Also, waste heat recovery? The steam generated in the boiler 7 is guided to a steam turbine 8.
上記した従来の５ＯＦＣ発電システムの場合、５ＯＦＣ
Ｉの７ノード４に供給している改質用水蒸気（Ｈ２Ｏ）
は、外部システムより供給していたため、その水蒸気の
製造設備の必要があシ、その動力、設備建築コスト等の
必要性から、メンテナンスコストの増加、効率低下の原
因となっていた。In the case of the conventional 5OFC power generation system described above, 5OFC
Reforming steam (H2O) supplied to 7 node 4 of I
Since the water vapor was supplied from an external system, it required equipment to produce the steam, power for it, construction costs for the equipment, etc., resulting in increased maintenance costs and decreased efficiency.
また、５ＯＦＣ１から出た排ガスはエネルギ回収以外の
処理は全く行なわれず直接煙突よシ排出されるため、５
ＯＦＣＪのように排ガス中に含まれる水分量が多い場合
、排ガス中水分の潜熱として放出される熱エネルギが多
く、プラント効率の低下の原因となっていた。In addition, the exhaust gas emitted from 5OFC1 is directly discharged up the chimney without any processing other than energy recovery.
When the amount of moisture contained in the exhaust gas is large as in OFCJ, a large amount of thermal energy is released as latent heat of the moisture in the exhaust gas, causing a decrease in plant efficiency.
そこで、本発明はプラント効率の向上が図れる燃料電池
発電システムを提供することを目的とする。Therefore, an object of the present invention is to provide a fuel cell power generation system that can improve plant efficiency.
本発明は上記目的を達成するため、固体電解質型燃料電
池又は溶融炭酸塩型燃料電池を有する燃料電池発電シス
テムにおいて、ＰＳＡ等のガス分離装置によシ、反応物
として生成した水蒸気を排ガス中よシ分離し、上記水蒸
気を上記燃料電池もしくはエネルギー回収装置に導入す
ることを特徴とするものである。In order to achieve the above object, the present invention uses a fuel cell power generation system having a solid oxide fuel cell or a molten carbonate fuel cell, in which water vapor generated as a reactant is removed from exhaust gas by a gas separation device such as a PSA. The method is characterized in that the water vapor is separated and the water vapor is introduced into the fuel cell or energy recovery device.
上記のように構成することによシ、システム外へ排出さ
れる排ガス中水分の潜熱による熱エネルギ損失要減少で
き、プラント効率が向上する。By configuring as described above, it is possible to reduce the thermal energy loss due to the latent heat of the moisture in the exhaust gas discharged to the outside of the system, thereby improving the plant efficiency.
以下、本発明について図面に示す実施例を参照して説明
する。The present invention will be described below with reference to embodiments shown in the drawings.
第１図はその一実施例を示す系統図であシ、第３図の従
来の５ＯＦＣ発電システムの排ガス系統の中間、具体的
に低圧ガスタービン６ｂと排熱回収がイラ７との間にＨ
２０分離用ＰＳＡ装置１２を設置し、５ＯＦＣ１の生成
水分を回収し、これを５ＯＦＣ１のアノード４に供給さ
せたものである。ことで、ＰＳＡ（Ｐｒｅｓｓｕｒｅ
Ｓｗｉｎｇ Ａｄｓｏｒｐｔｉｏｎ ）装ｗ、１２とは
、吸着剤の再生に加熱ガスを使用せず、加圧下で吸着し
た水分を等温減圧下でパージガス中に拡散脱離し、再生
するものである。このため、吸着−脱着のサイクルが加
熱再生法に比して極めて短く、所要動力も比較的に少な
い。FIG. 1 is a system diagram showing one embodiment of the system.
A PSA device 12 for separation was installed, and water produced by 5OFC1 was collected, and this was supplied to the anode 4 of 5OFC1. By doing so, PSA (Pressure
The Swing Adsorption system (12) does not use heated gas to regenerate the adsorbent, but instead regenerates the adsorbent by diffusing and desorbing moisture adsorbed under pressure into a purge gas under isothermal reduced pressure. Therefore, the adsorption-desorption cycle is extremely short compared to the thermal regeneration method, and the required power is also relatively small.
第１図のように構成されたものにおいて、エアヒータ＆
コンパスタ５を出た排ガスは、高圧ガスタービン６ａお
よび低圧ガスタービン６ｂを通シ、エネルギ回収を行な
い、排ガス温度が適当に下がった後、ＰＳＡ装置１２に
よシ排ガス中の水分を回収し、回収した水分は、５ＯＦ
Ｃアノード４の入口に導ひかれ、内部改質用水蒸気とし
て使用される。In the configuration shown in Figure 1, the air heater &
The exhaust gas that has exited the comparator 5 passes through a high-pressure gas turbine 6a and a low-pressure gas turbine 6b to recover energy, and after the temperature of the exhaust gas has been appropriately lowered, it is passed through a PSA device 12 to recover moisture in the exhaust gas. The water content is 5OF
It is led to the inlet of the C anode 4 and used as steam for internal reforming.
水分が分離された排ガスは排熱回収ボイラ７を通シ、煙
突９よシ排出される。排熱回収ボイラ７で発生した水蒸
気は、スチームタービン８に導びかれる。また、高圧ガ
スタービン６ａと低圧ガスタービン６ｂの間には一次空
気予熱器１１が設置され、空気の予熱を行なっている。The exhaust gas from which moisture has been separated passes through an exhaust heat recovery boiler 7 and is discharged through a chimney 9. Steam generated in the exhaust heat recovery boiler 7 is guided to a steam turbine 8. Further, a primary air preheater 11 is installed between the high pressure gas turbine 6a and the low pressure gas turbine 6b to preheat the air.
以上述べたように、排ガス系統にＰＳＡ装置１２を設置
することによシ、排ガス中から５ＯＦＣ１の生成水分を
回収することで、従来のように改質用水蒸気の補給が不
用となシ、メンテナンスの増加を防ぐことができる。As described above, by installing the PSA device 12 in the exhaust gas system, the water produced by 5OFC1 can be recovered from the exhaust gas, thereby eliminating the need for replenishment of reforming steam as in the past, and maintenance. can prevent an increase in
また、システム外へ持ち出される排ガス中水分の潜熱に
よる熱エネルギ損失の減少から、５ＯＦＣ発電プラント
効率が向上する。Furthermore, the efficiency of the 5OFC power generation plant is improved due to the reduction in thermal energy loss due to latent heat of moisture in the exhaust gas carried out of the system.
すなわち、図のように５ＯＦＣ１の出口排ガス温度（エ
アヒータ長コンパスタ出口）を９３０℃（圧力１０ ａ
ｔａ ） 、低圧ガスタービン６ｂの出口温度を４５０
℃（圧力１．０３ ａｔａ ）、Ｈ２Ｏによる煙突９が
出ていく熱量を７９２０ｋｄ／ｓとすると、第３図の従
来システム（石炭ガス化炉との組合せの場合）が５３％
であったものが、第１図のシステムでは５４．６％と１
．６％効率が向上する。That is, as shown in the figure, the outlet exhaust gas temperature of 5OFC1 (air heater length comparator outlet) is set to 930℃ (pressure 10a
ta), the outlet temperature of the low pressure gas turbine 6b is set to 450
℃ (pressure 1.03 ata), and assuming that the amount of heat coming out of the chimney 9 due to H2O is 7920 kd/s, the conventional system shown in Figure 3 (when combined with a coal gasifier) is 53%
However, in the system shown in Figure 1, it was 54.6%, 1
．． 6% efficiency improvement.
第２図は本発明の他の実施例を示す系統図で、第１図の
従来型５ＯＦＣ発電システムの高温排ガス系統の中間す
なわち一次空気予熱器１１と低圧ガスタービン６ｂの間
にＨ２０分離用ＰＳＡ装置１２を設置し、これによって
回収した水蒸気をエネルギ回収装置例えはＰＳＡ用スナ
スチームタービン８ｂ給してこれを回し、これを回した
後の水蒸気は排熱回収がイラ７に供給されるようになっ
ている。FIG. 2 is a system diagram showing another embodiment of the present invention, in which a PSA for H20 separation is installed in the middle of the high temperature exhaust gas system of the conventional 5OFC power generation system shown in FIG. 1, that is, between the primary air preheater 11 and the low pressure gas turbine 6b. A device 12 is installed, and the water vapor recovered by this is fed to an energy recovery device (for example, a snus steam turbine 8b for PSA) and rotated, and the steam after turning this is supplied to the irra 7 for exhaust heat recovery. It has become.
第２図のように構成されたものにおいて、エアーヒータ
＆コンパスタ５を出た排ガスは高圧ガスタービン６ａを
通シ、−次空気予熱器１１でエアーコンプレッサー１０
によシ加圧された空気を予熱した後、ＰＳＡ装置１２で
排ガス中水分が回収される。水分が取シ除かれた排ガス
はその後、低圧ガスタービン６ｂ、排熱回収ボイラ７を
通り、煙突９から大気中に排出される。ＰＳＡ装置１２
より排ガス中水分が回収されるため、大気中に排出され
るエネルギ損失は減少する。ＰＳＡ装置１２で回収され
たＨ２Ｏ（水蒸気）はＰＳＡ用スナスチームタービン８
ｂひかれ、エネルギ回収され、排熱回収がイラ７で発生
した水蒸気と混合される。そしてさらにメインスチーム
タービン８ａでエネルギーが回収される。In the configuration as shown in FIG. 2, the exhaust gas leaving the air heater & comparator 5 is passed through a high pressure gas turbine 6a, and is then transferred to an air compressor 10 in a secondary air preheater 11.
After preheating the pressurized air, the moisture in the exhaust gas is recovered in the PSA device 12. The exhaust gas from which moisture has been removed then passes through the low-pressure gas turbine 6b and the exhaust heat recovery boiler 7, and is discharged from the chimney 9 into the atmosphere. PSA device 12
Since more moisture is recovered from the exhaust gas, energy loss emitted into the atmosphere is reduced. The H2O (water vapor) recovered by the PSA device 12 is sent to the PSA steam turbine 8.
b), energy is recovered, and the recovered waste heat is mixed with the water vapor generated in the slag 7. Further, energy is recovered by the main steam turbine 8a.
以上述べた第２図の構成によれば、５ＯＦＣＩの排ガス
中からＨ２Ｏ（水蒸気）を回収し、排ガス中水分の潜熱
として大気中に排出される熱エネルギ損失を減少させ、
また、回収した水蒸気によシ、ＰＳＡ用スナスチームタ
ービン８ｂして、供給燃料の節約とともにプラント効率
が向上する。具体的に第２図に示すような温度条件のと
き５８．３％と従来システムの５３チに比べて５．３チ
効率が向上する。According to the configuration shown in FIG. 2 described above, H2O (water vapor) is recovered from the exhaust gas of the 5OFCI, and the loss of thermal energy discharged into the atmosphere as latent heat of moisture in the exhaust gas is reduced.
In addition, the recovered steam is used as a snus steam turbine 8b for the PSA, thereby saving fuel supply and improving plant efficiency. Specifically, under the temperature conditions shown in FIG. 2, the efficiency is 58.3%, which is an improvement of 5.3 chips compared to 53 chips of the conventional system.
なお、本発明は固体電解質型燃料電池発電システムに限
らず溶融炭酸塩型燃料電池発電システムにも適用できる
。Note that the present invention is applicable not only to solid oxide fuel cell power generation systems but also to molten carbonate fuel cell power generation systems.
以上述べた本発明によれば、プラント効率の向上が図れ
る燃料電池発電システムを提供できる。According to the present invention described above, it is possible to provide a fuel cell power generation system that can improve plant efficiency.
第１図は本発明による固体電解質型燃料電池発電システ
ムの一実施例を示す系統図、第２図は本発明の他の実施
例を示す系統図、第３図は従来の一例を示す系統図であ
る。
１・−８ＯＦＣ，２・・・カソード、３・・・固体電解
質、４・−７／−ド、ｓ・・・エアーヒータ＆コンパス
タ、６ａ・・・高圧ガスタービン、６ｂ・・・低圧ガス
タービン、７・・・排熱回収ボイラ、８・・・スチーム
タービン、８＆・−・メインスチームタービン、８ｂ・
・・ＰＳＡ用スナスチームタービン・・・煙突、１０・
−・エアーコンプレッサー、１１・・・−次空気予熱器
、１２・・・Ｈ２０分離用ＰＳＡ装置。Fig. 1 is a system diagram showing one embodiment of the solid oxide fuel cell power generation system according to the present invention, Fig. 2 is a system diagram showing another embodiment of the invention, and Fig. 3 is a system diagram showing a conventional example. It is. 1.-8OFC, 2...Cathode, 3...Solid electrolyte, 4.-7/-do, s...Air heater & comparator, 6a...High pressure gas turbine, 6b...Low pressure gas turbine , 7... Exhaust heat recovery boiler, 8... Steam turbine, 8&-- Main steam turbine, 8b...
...Suna steam turbine for PSA...Chimney, 10.
- Air compressor, 11... - Secondary air preheater, 12... PSA device for H20 separation.
Claims (1)
る燃料電池発電システムにおいて、ＰＳＡ等のガス分離
装置により、反応物として生成した水蒸気を排ガス中よ
り分離し、上記水蒸気を上記燃料電池もしくはエネルギ
ー回収装置に導入することを特徴とする燃料電池発電シ
ステム。In a fuel cell power generation system having a solid electrolyte fuel cell or a molten carbonate fuel cell, water vapor generated as a reactant is separated from the exhaust gas by a gas separation device such as a PSA, and the water vapor is transferred to the fuel cell or for energy recovery. A fuel cell power generation system characterized by being introduced into a device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61265047A JPS63119163A (en) | 1986-11-07 | 1986-11-07 | Fuel cell generating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61265047A JPS63119163A (en) | 1986-11-07 | 1986-11-07 | Fuel cell generating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63119163A true JPS63119163A (en) | 1988-05-23 |
Family
ID=17411842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61265047A Pending JPS63119163A (en) | 1986-11-07 | 1986-11-07 | Fuel cell generating system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63119163A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999035702A1 (en) * | 1998-01-08 | 1999-07-15 | Southern California Edison Company | Power generation system utilizing turbine gas generator and fuel cell |
| WO2002067353A1 (en) * | 2001-02-21 | 2002-08-29 | Ballard Power Systems Inc. | Fuel cell system having a pressure swing adsorption unit |
| JP2003507860A (en) * | 1999-08-16 | 2003-02-25 | セラミック・フューエル・セルズ・リミテッド | Fuel cell system |
| WO2005001974A1 (en) * | 2003-06-30 | 2005-01-06 | Kawasaki Jukogyo Kabushiki Kaisha | Fuel cell/constant pressure turbine/hybrid system |
| WO2008096623A1 (en) * | 2007-02-07 | 2008-08-14 | Central Research Institute Of Electric Power Industry | Power generating installation |
| US7862938B2 (en) | 2007-02-05 | 2011-01-04 | Fuelcell Energy, Inc. | Integrated fuel cell and heat engine hybrid system for high efficiency power generation |
| US8034504B2 (en) | 2006-05-18 | 2011-10-11 | Honda Motor Co., Ltd. | Fuel cell system and method of operating same |
| US8062799B2 (en) | 2008-08-19 | 2011-11-22 | Fuelcell Energy, Inc. | High-efficiency dual-stack molten carbonate fuel cell system |
-
1986
- 1986-11-07 JP JP61265047A patent/JPS63119163A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999035702A1 (en) * | 1998-01-08 | 1999-07-15 | Southern California Edison Company | Power generation system utilizing turbine gas generator and fuel cell |
| JP2003507860A (en) * | 1999-08-16 | 2003-02-25 | セラミック・フューエル・セルズ・リミテッド | Fuel cell system |
| WO2002067353A1 (en) * | 2001-02-21 | 2002-08-29 | Ballard Power Systems Inc. | Fuel cell system having a pressure swing adsorption unit |
| WO2005001974A1 (en) * | 2003-06-30 | 2005-01-06 | Kawasaki Jukogyo Kabushiki Kaisha | Fuel cell/constant pressure turbine/hybrid system |
| US7563527B2 (en) | 2003-06-30 | 2009-07-21 | Kawasaki Jukogyo Kabushiki Kaisha | Fuel cell-atmospheric-pressure turbine hybrid system |
| US8034504B2 (en) | 2006-05-18 | 2011-10-11 | Honda Motor Co., Ltd. | Fuel cell system and method of operating same |
| US7862938B2 (en) | 2007-02-05 | 2011-01-04 | Fuelcell Energy, Inc. | Integrated fuel cell and heat engine hybrid system for high efficiency power generation |
| WO2008096623A1 (en) * | 2007-02-07 | 2008-08-14 | Central Research Institute Of Electric Power Industry | Power generating installation |
| JPWO2008096623A1 (en) * | 2007-02-07 | 2010-05-20 | 財団法人電力中央研究所 | Power generation equipment |
| US8110310B2 (en) | 2007-02-07 | 2012-02-07 | Central Research Institute Of Electric Power Industry | Power generating plant |
| US8062799B2 (en) | 2008-08-19 | 2011-11-22 | Fuelcell Energy, Inc. | High-efficiency dual-stack molten carbonate fuel cell system |
| US8236458B2 (en) | 2008-08-19 | 2012-08-07 | Fuelcell Energy, Inc. | High-efficiency dual-stack molten carbonate fuel cell system |
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