JP2003272688A - Fuel cell generating device and operating method of fuel cell generating device - Google Patents
Fuel cell generating device and operating method of fuel cell generating deviceInfo
- Publication number
- JP2003272688A JP2003272688A JP2002078167A JP2002078167A JP2003272688A JP 2003272688 A JP2003272688 A JP 2003272688A JP 2002078167 A JP2002078167 A JP 2002078167A JP 2002078167 A JP2002078167 A JP 2002078167A JP 2003272688 A JP2003272688 A JP 2003272688A
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- fuel cell
- main body
- gas
- raw
- 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
Landscapes
- Fuel Cell (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、水素を含む炭化水
素系燃料ガスを原燃料とする燃料電池発電装置および燃
料電池発電装置の運転方法の改良に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement in a fuel cell power generator using a hydrocarbon fuel gas containing hydrogen as a raw fuel and an operating method of the fuel cell power generator.
【０００２】[0002]
【従来の技術】近年、燃料から電力に変換するエネルギ
変換装置として、燃料電池発電装置が注目されている。2. Description of the Related Art In recent years, fuel cell power generators have been attracting attention as energy conversion devices for converting fuel into electric power.
【０００３】この燃料電池発電装置は、幾つかのタイプ
のものが稼動中または研究開発中であるが、その中でも
電解質として固体高分子膜を用いる固体高分子型燃料電
池が構造コンパクトで、高出力密度が得られ、しかも簡
易なシステムで運転ができるため、定置用分散電源だけ
でなく、宇宙用、車両用、さらに家庭用等幅広い産業分
野への電力供給源として脚光を浴びている。Several types of this fuel cell power generator are in operation or under research and development. Among them, a solid polymer fuel cell using a solid polymer membrane as an electrolyte has a compact structure and high output. Since it has a high density and can be operated by a simple system, it is in the spotlight as a power source for not only stationary distributed power sources but also a wide range of industrial fields such as space, vehicles, and households.
【０００４】また、燃料電池発電装置は、電気化学反応
の際、生成される熱を巧みに利用する、いわゆるコジェ
ネレーション分野への適用も開発されつつある。Further, the fuel cell power generator is being developed for application to a so-called cogeneration field, which makes good use of heat generated during an electrochemical reaction.
【０００５】このように、社会生活にとって著しく期待
度合の高い燃料電池発電装置は、大別して燃料電池本体
と燃料処理系統等を備えた構成になっている。As described above, the fuel cell power generators, which have a high degree of expectation for social life, are roughly divided into a structure including a fuel cell body and a fuel processing system.
【０００６】燃料電池本体は、プロトン導電性の固体高
分子膜を触媒を被覆するガス拡散電極で挟む膜電極複合
体を備えるとともに、その両外側に集電体としてのガス
供給溝を備えるガス透過性の低い材料で製作されたセパ
レータを交互に積層状に配置し、電池スタックを構成し
ている。The fuel cell main body comprises a membrane electrode assembly in which a proton conductive solid polymer membrane is sandwiched between gas diffusion electrodes covering a catalyst, and gas permeation grooves provided on both outer sides thereof with gas supply grooves as current collectors. A battery stack is configured by alternately arranging separators made of a material having low property in a laminated shape.
【０００７】また、ガス拡散電極は、片面が燃料極、残
りの片面が空気極（酸化剤極）を備えており、水素を主
成分とする燃料ガスと空気とがセパレータのガス供給溝
を介してそれぞれ区分けして供給させている。Further, the gas diffusion electrode has a fuel electrode on one side and an air electrode (oxidizer electrode) on the other side, and the fuel gas containing hydrogen as a main component and air pass through the gas supply groove of the separator. Are supplied separately.
【０００８】一方、燃料処理系統は、水添脱硫装置、改
質器、シフト反応器、一酸化炭素除去器等を備え、都市
ガス、天然ガス、メタノール等のうち、いずれかの炭化
水素系燃料から水素を主成分とする燃料ガスを生成し、
生成された燃料ガスに含まれている硫黄を脱硫装置の触
媒を用いて除去した後、改質器で触媒を用いて化学反応
により、例えば水蒸気を加えて炭化水素系燃料を水素主
成分の燃料ガスに水蒸気改質させている。On the other hand, the fuel processing system is equipped with a hydrodesulfurization device, a reformer, a shift reactor, a carbon monoxide remover, etc., and a hydrocarbon fuel of any one of city gas, natural gas, methanol, etc. Generate fuel gas mainly composed of hydrogen from
After removing the sulfur contained in the produced fuel gas using the catalyst of the desulfurizer, the reformer uses a catalyst to perform a chemical reaction, for example, adding steam to add hydrocarbon-based fuel to hydrogen-based fuel. The gas is steam reformed.
【０００９】改質器で水蒸気改質させた燃料ガスには、
一酸化炭素（ＣＯ）が多く含まれているため、燃料電池
本体等の触媒を被毒させ、性能の低下、あるいは事故発
生の要因にもなっている。The fuel gas steam reformed by the reformer includes
Since it contains a large amount of carbon monoxide (CO), it poisons the catalyst of the fuel cell main body and the like, which is a cause of performance deterioration or accident occurrence.
【００１０】このため、燃料処理系統は、水蒸気改質さ
せた燃料ガスのうち、一酸化炭素をシフト反応器、一酸
化炭素除去器の各触媒で除去し、二酸化炭素にして燃料
電池本体に供給し、ここで電気化学的に反応させ、その
際に発生する直流電力を取り出していた。Therefore, the fuel processing system removes carbon monoxide from the steam-reformed fuel gas with each catalyst of the shift reactor and the carbon monoxide remover and supplies it to the fuel cell main body as carbon dioxide. Then, it was electrochemically reacted here, and the direct current power generated at that time was taken out.
【００１１】このように、燃料電池発電装置は、クリー
ンなエネルギを巧みに利用し、電気化学的反応により電
力を発生させているので、環境汚染のない動力発生装置
としてより一層の発展が期待されている。As described above, the fuel cell power generation device skillfully uses clean energy and generates electric power by an electrochemical reaction, so that further development is expected as a power generation device without environmental pollution. ing.
【００１２】また、昨今、環境意識の高まりから、汚泥
消化装置や生ゴミ処理装置等の環境機器から発生する副
生ガスのさまざまなエネルギ利用の検討がなされてい
る。これらの副生ガスの中には、例えば、食品加工工程
の際、発生する水素ガス約８０％、メタンガス約２０％
といった多くの水素を含むものもあるが、ガス組成、熱
量の違いにより、上記燃料処理系統をそのまま利用して
燃料電池発電装置を運転することは困難であった。[0012] In recent years, due to increasing environmental consciousness, various types of energy utilization of by-product gas generated from environmental equipment such as a sludge digester and a garbage treatment device have been studied. Among these by-product gases, for example, about 80% hydrogen gas and about 20% methane gas generated during the food processing process.
However, due to the difference in gas composition and heat quantity, it has been difficult to operate the fuel cell power generator using the fuel processing system as it is.
【００１３】[0013]
【発明が解決しようとする課題】燃料電池発電装置は、
環境汚染のない動力発生装置として高く評価されている
ものの、それでも幾つかの問題点があり、その中にシス
テムの簡素化と起動時間の短縮化がある。The fuel cell power generator is
Although highly regarded as a power generation device without environmental pollution, there are still some problems, including the simplification of the system and the shortening of the start-up time.
【００１４】燃料電池発電装置は、炭化水素系燃料を水
蒸気改質させ、燃料ガスを燃料電池本体に供給するま
で、上述のとおり、脱硫、水蒸気改質、一酸化炭素除去
等、多くの工程を経ている。The fuel cell power generation apparatus undergoes many steps such as desulfurization, steam reforming and carbon monoxide removal as described above until the hydrocarbon fuel is steam reformed and the fuel gas is supplied to the fuel cell main body. Has passed.
【００１５】このため、燃料電池発電装置は、多くの設
備を必要とし、各設備で処理する燃料ガスの流量、温
度、圧力を適正状態量に維持する制御演算系が必要とな
る等、設備の複雑化を招いていた。For this reason, the fuel cell power generator requires a lot of equipment, and requires a control operation system for maintaining the flow rate, temperature, and pressure of the fuel gas processed by each equipment at appropriate state quantities. It was complicated.
【００１６】また、燃料電池発電装置は、多くの設備で
燃料ガスを処理反応させる際、各設備に装着した触媒で
行っているが、触媒を高い触媒効率に維持させる温度に
するまでに多くの時間を要し、このため、起動時間が長
くなる等の問題があった。[0016] Further, in the fuel cell power generation device, when the fuel gas is treated and reacted in many facilities, the catalyst mounted in each facility is used. It takes time, and there is a problem that the startup time becomes long.
【００１７】本発明は、このような事情に基づいてなさ
れたもので、水素を含む炭化水素系燃料を原燃料ガスと
する発電装置において、設備を簡素化させる一方、起動
運転時間の短縮化を図った燃料電池発電装置および燃料
電池発電装置の運転方法を提供することを目的とする。The present invention has been made under such circumstances, and in a power generator using a hydrocarbon fuel containing hydrogen as a raw fuel gas, the equipment can be simplified and the start-up operation time can be shortened. An object of the present invention is to provide a fuel cell power generation device and a method of operating the fuel cell power generation device.
【００１８】[0018]
【課題を解決するための手段】本発明に係る燃料電池発
電装置は、上述の目的を達成するために、請求項１に記
載したように、水素を含む炭化水素系燃料ガスを原燃料
とし、その原燃料の硫黄を脱硫後、直接供給して発電さ
せる燃料電池本体と、この燃料電池本体から出た未反応
ガスを燃料として蒸気を発生させるボイラとを備えたも
のである。In order to achieve the above-mentioned object, a fuel cell power generator according to the present invention uses a hydrocarbon-based fuel gas containing hydrogen as a raw fuel, as described in claim 1. It is provided with a fuel cell main body for directly supplying power after desulfurizing the sulfur of the raw fuel, and a boiler for generating steam using unreacted gas emitted from the fuel cell main body as fuel.
【００１９】また、本発明に係る燃料電池発電装置は、
上述の目的を達成するために、請求項２に記載したよう
に、水素を含む炭化水素系燃料ガスを原燃料とし、その
原燃料の硫黄を脱硫後、直接供給して発電させる燃料電
池本体と、この燃料電池本体から出た未反応ガスを燃料
とし、水素リッチな燃料ガスに処理して前記燃料電池本
体に供給する燃料処理装置とを備えたものである。Further, the fuel cell power generator according to the present invention is
In order to achieve the above-mentioned object, as described in claim 2, a hydrocarbon fuel gas containing hydrogen is used as a raw fuel, sulfur of the raw fuel is desulfurized, and then a fuel cell main body for directly supplying power to generate electricity is provided. The fuel processing apparatus is provided with a fuel processing device that treats the unreacted gas discharged from the fuel cell main body as a fuel, processes the hydrogen-rich fuel gas, and supplies the hydrogen-rich fuel gas to the fuel cell main body.
【００２０】また、本発明に係る燃料電池発電装置は、
上述の目的を達成するために、請求項３に記載したよう
に、燃料電池本体は、発電中、未反応ガスを燃料処理装
置の改質器に回収させる燃料ガス回収系統を備えたもの
である。Further, the fuel cell power generator according to the present invention is
In order to achieve the above-mentioned object, as described in claim 3, the fuel cell main body is provided with a fuel gas recovery system for recovering unreacted gas to the reformer of the fuel processor during power generation. .
【００２１】また、本発明に係る燃料電池発電装置は、
上述の目的を達成するために、請求項４に記載したよう
に、燃料電池本体は、起動運転時、脱硫後の原燃料を直
接、前記燃料電池本体自身に供給させる起動運転用燃料
供給系統と、通常運転時、脱硫後の原燃料を燃料処理装
置を介して前記燃料電池本体自身に供給させる通常運転
用燃料供給系統とを備えたものである。Further, the fuel cell power generator according to the present invention is
In order to achieve the above-mentioned object, as described in claim 4, the fuel cell main body is provided with a fuel supply system for start-up operation for supplying the desulfurized raw fuel directly to the fuel cell main body itself during start-up operation. A fuel supply system for normal operation, which supplies the desulfurized raw fuel to the fuel cell main body itself via a fuel processor during normal operation.
【００２２】また、本発明に係る燃料電池発電装置は、
上述の目的を達成するために、請求項５に記載したよう
に、水素を含む炭化水素系燃料ガスを原燃料とし、その
原燃料の硫黄を脱硫後、直接供給して発電させる第１燃
料電池本体と、この第１燃料電池本体から出た未反応ガ
スを水素リッチな燃料ガスに処理する燃料処理装置と、
この燃料処理装置から出た水素リッチな燃料ガスを供給
して発電させる第２燃料電池本体とを備えたものであ
る。Further, the fuel cell power generator according to the present invention is
In order to achieve the above-mentioned object, as described in claim 5, a first fuel cell that uses a hydrocarbon-based fuel gas containing hydrogen as a raw fuel, desulfurizes sulfur in the raw fuel, and then directly supplies the electricity to generate electricity. A main body, and a fuel processing device for processing unreacted gas emitted from the first fuel cell main body into hydrogen-rich fuel gas,
A second fuel cell main body for supplying electric power by supplying a hydrogen-rich fuel gas discharged from the fuel processing device.
【００２３】また、本発明に係る燃料電池発電装置は、
上述の目的を達成するために、請求項６に記載したよう
に、第２燃料電池本体は、発電中、未反応ガスを燃料処
理装置の改質器に回収させる燃料ガス回収系統を備えた
ものである。Further, the fuel cell power generator according to the present invention is
In order to achieve the above-mentioned object, as described in claim 6, the second fuel cell main body is provided with a fuel gas recovery system for recovering unreacted gas to the reformer of the fuel processor during power generation. Is.
【００２４】また、本発明に係る燃料電池発電装置の運
転方法は、上述の目的を達成するために、請求項７に記
載したように、起動運転時、脱硫後の原燃料を直接、燃
料電池本体に供給して発電を行わせ、前記燃料電池本体
から出た未反応ガスを燃料処理装置の改質器に熱源とし
て供給する一方、前記燃料処理装置に装着する触媒の反
応温度範囲になったとき切り替えて、前記原燃料を前記
燃料処理装置を介して前記燃料電池本体に供給して発電
を行わせる運転方法である。Further, in order to achieve the above-mentioned object, the method for operating a fuel cell power generator according to the present invention, as set forth in claim 7, directly supplies the fuel cell after desulfurization to the fuel cell during start-up operation. The unreacted gas emitted from the fuel cell body is supplied to the reformer of the fuel processor as a heat source while being supplied to the main body to generate power, and the reaction temperature range of the catalyst mounted on the fuel processor is reached. It is an operating method in which the raw fuel is switched to supply the raw fuel to the fuel cell main body through the fuel processor to generate power.
【００２５】また、本発明に係る燃料電池発電装置の運
転方法は、上述の目的を達成するために、請求項８に記
載したように、起動運転時、脱硫後の水素を含む原燃料
を直接、第１燃料電池本体に供給して発電を行わせ、第
１燃料電池発電中、前記第１燃料電池から出る燃料ガス
が燃料処理装置に装着する触媒の反応温度範囲になった
とき、切り替えて前記燃料ガスを前記燃料処理装置を介
して第２燃料電池本体に供給し、発電を行わせる運転方
法である。Further, in order to achieve the above-mentioned object, in the method for operating a fuel cell power generator according to the present invention, as described in claim 8, during the starting operation, the raw fuel containing hydrogen after desulfurization is directly supplied. , Supplying power to the first fuel cell main body to generate power, and when the fuel gas emitted from the first fuel cell is within the reaction temperature range of the catalyst mounted in the fuel processing device during power generation of the first fuel cell, switch the mode. It is an operating method in which the fuel gas is supplied to the second fuel cell main body through the fuel processing device to generate power.
【００２６】[0026]
【発明の実施の形態】以下、本発明に係る燃料電池発電
装置および燃料電池発電装置の運転方法の実施形態を図
面および図面に付した符号を引用して説明する。BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, embodiments of a fuel cell power generator and an operating method of the fuel cell power generator according to the present invention will be described with reference to the drawings and the reference numerals attached to the drawings.
【００２７】図１は、本発明に係る燃料電池発電装置の
第１実施形態を示す概略系統図である。FIG. 1 is a schematic system diagram showing a first embodiment of a fuel cell power generator according to the present invention.
【００２８】本実施形態に係る燃料電池発電装置は、脱
硫器１、燃料電池本体２、ボイラ３を備える構成になっ
ており、水素を含む原燃料ＦＵＬを脱硫器１に供給して
硫黄を除去した後、燃料電池本体２に供給し、ここで原
燃料ＦＵＬに含まれる水素ガスを空気中の酸素ガスと化
学反応させ、その際に発生する直流電力を取り出し、変
換器を経て外部に電力として供給するようになってい
る。The fuel cell power generator according to the present embodiment comprises a desulfurizer 1, a fuel cell main body 2 and a boiler 3. The raw fuel FUL containing hydrogen is supplied to the desulfurizer 1 to remove sulfur. After that, the hydrogen gas contained in the raw fuel FUL is chemically reacted with the oxygen gas in the air by supplying it to the fuel cell main body 2, and the DC power generated at that time is taken out, and is converted to external power through the converter. It is supposed to be supplied.
【００２９】また、本実施形態に係る燃料電池発電装置
は、燃料電池本体２で化学反応の際、未反応として残っ
た水素ガスをボイラ３に供給し、ここで未反応の水素ガ
スを燃焼させて燃焼ガスを生成し、この燃焼ガスの熱で
水を水蒸気にし、その水蒸気を、給湯用として、また温
水プール用として熱利用部に供給する。Further, in the fuel cell power generator according to this embodiment, during the chemical reaction in the fuel cell main body 2, the unreacted hydrogen gas is supplied to the boiler 3 to burn the unreacted hydrogen gas. To generate combustion gas, heat the combustion gas to turn water into steam, and supply the steam to the heat utilization unit for hot water supply and for hot water pool.
【００３０】このように、本実施形態は、脱硫器１、燃
料電池本体２、ボイラ３を備え、脱硫器１で原燃料ＦＵ
Ｌに含まれる硫黄を除去した後、燃料電池本体２で硫黄
を除去した原燃料の水素ガスと酸素ガスとを化学反応さ
せて電力を取り出す一方、化学反応中、未反応の水素ガ
スおよび炭化水素ガスをボイラ３で燃焼させ、その熱で
発生する水蒸気を熱利用部に供給し、従来の燃料処理系
統を大幅に取り除いたので、システムとしての設備をよ
り一層簡素化させることができる。As described above, this embodiment includes the desulfurizer 1, the fuel cell main body 2 and the boiler 3, and the desulfurizer 1 uses the raw fuel FU.
After removing the sulfur contained in L, hydrogen gas of the raw fuel from which sulfur has been removed in the fuel cell main body 2 and oxygen gas are chemically reacted to extract electric power, while unreacted hydrogen gas and hydrocarbons during the chemical reaction. Since the gas is burned in the boiler 3 and the steam generated by the heat is supplied to the heat utilization unit, and the conventional fuel processing system is largely removed, the equipment as a system can be further simplified.
【００３１】図２は、本発明に係る燃料電池発電装置の
第２実施形態を示す概略系統図である。FIG. 2 is a schematic system diagram showing a second embodiment of the fuel cell power generator according to the present invention.
【００３２】本実施形態に係る燃料電池発電装置は、原
燃料ＦＵＬの硫黄を除去し、原燃料ＦＵＬに含まれてい
る水素を水蒸気改質させるとともに、水蒸気改質中に生
成する一酸化炭素（ＣＯ）を除去する燃料処理装置４
と、水蒸気改質させた燃料ガスと空気中の酸素とを電気
化学的に反応させ、その際に発生する直流電力を取り出
す燃料電池本体２とを備える構成になっている。The fuel cell power generator according to this embodiment removes sulfur from the raw fuel FUL, steam-reforms hydrogen contained in the raw fuel FUL, and carbon monoxide ( Fuel processing device 4 for removing CO)
And a fuel cell main body 2 that electrochemically reacts the steam-reformed fuel gas with oxygen in the air and takes out the DC power generated at that time.
【００３３】また、本実施形態に係る燃料電池発電装置
は、起動運転時、硫黄除去後の原燃料ＦＵＬを、直接、
燃料電池本体２に供給する起動運転用燃料供給系統５
と、通常運転時、硫黄除去後の原燃料ＦＵＬを、燃料処
理装置４を介して燃料電池本体２に切り替えて供給する
通常運転用燃料供給系統６と、燃料電池本体２で未反応
のアノード排ガスを燃料処理装置４に吸熱反応用熱源と
して供給する燃料ガス回収系統７とを備えている。Further, in the fuel cell power generator according to the present embodiment, the raw fuel FUL after sulfur removal is directly
Fuel supply system 5 for start-up operation, which is supplied to the fuel cell main body 2
In normal operation, the raw fuel FUL after sulfur removal is switched to the fuel cell main body 2 via the fuel processor 4 and supplied, and the fuel supply system 6 for normal operation, and the unreacted anode exhaust gas in the fuel cell main body 2 Is supplied to the fuel processing device 4 as a heat source for endothermic reaction.
【００３４】燃料処理装置４は、原燃料ＦＵＬの流れに
沿って順に、脱硫器１、改質器８、シフト反応器９、一
酸化炭素（ＣＯ）除去器１０を備え、脱硫器１で原燃料
ＦＵＬの硫黄を除去し、硫黄除去後の原燃料ＦＵＬに水
蒸気を加えて改質器８で燃料ガス回収系統７から供給さ
れるアノード排ガスの吸熱反応用熱源の下、水蒸気改質
させ、水蒸気改質後の燃料ガスのうち、一酸化炭素（Ｃ
Ｏ）の濃度をシフト反応器９で低下させ、さらに一酸化
炭素除去器１０で一酸化炭素を二酸化炭素に変換させる
ようになっている。The fuel processor 4 comprises a desulfurizer 1, a reformer 8, a shift reactor 9, and a carbon monoxide (CO) remover 10 in this order along the flow of the raw fuel FUL. The sulfur in the fuel FUL is removed, steam is added to the raw fuel FUL after sulfur removal, and steam is reformed in the reformer 8 under the heat source for endothermic reaction of the anode exhaust gas supplied from the fuel gas recovery system 7 to generate steam. Of the reformed fuel gas, carbon monoxide (C
The concentration of O) is reduced in the shift reactor 9, and the carbon monoxide remover 10 converts carbon monoxide into carbon dioxide.
【００３５】次に、上述の構成に基づく燃料電池発電装
置の運転方法を説明する。Next, a method of operating the fuel cell power generator based on the above configuration will be described.
【００３６】本実施形態に係る燃料電池発電装置の運転
方法は、起動運転時と通常運転時とで原燃料ＦＵＬの燃
料電池本体２への供給系統を異ならしめている。In the operation method of the fuel cell power generator according to this embodiment, the supply system of the raw fuel FUL to the fuel cell main body 2 is different between the start-up operation and the normal operation.
【００３７】一般に、燃料電池発電装置は、燃料処理装
置４の改質器８、シフト反応器９および一酸化炭素除去
器１０等のそれぞれに触媒を装着している。触媒は、高
い触媒効率を維持させるに必要な温度が高温、具体的に
は約１５０℃から７００℃である。このため、起動運転
時、燃料処理装置４は、高温の熱源を確保することがで
きない。Generally, in the fuel cell power generator, a catalyst is attached to each of the reformer 8, shift reactor 9 and carbon monoxide remover 10 of the fuel processor 4. The catalysts require elevated temperatures to maintain high catalytic efficiency, specifically about 150 ° C to 700 ° C. Therefore, during the startup operation, the fuel processing device 4 cannot secure a high temperature heat source.
【００３８】本実施形態は、このような点を考慮したも
ので、起動運転時、脱硫器１で硫黄除去後の水素を含む
原燃料ＦＵＬを、起動運転用燃料供給系統５を介して直
接、燃料電池本体２に供給し、原燃料ＦＵＬ中の水素
と、外部から供給された空気中の酸素と反応させ、その
際に発生する直流電力を取り出す一方、直流電力の発生
中、未反応の燃料ガスを燃料ガス回収系統７を介して燃
料処理装置４の改質器８、シフト反応器９、一酸化炭素
除去器１０等に順次供給し、改質器８、シフト反応器
９、一酸化炭素除去器１０等の各触媒が反応できる温度
範囲になると、脱硫器１で硫黄が除去された原燃料ＦＵ
Ｌを通常運転用燃料供給系統６に切り替えて燃料電池本
体２に供給する。In the present embodiment, in consideration of such a point, during the start-up operation, the raw fuel FUL containing hydrogen after sulfur removal by the desulfurizer 1 is directly supplied via the start-up operation fuel supply system 5. The fuel supplied to the fuel cell main body 2 is reacted with hydrogen in the raw fuel FUL and oxygen in the air supplied from the outside, and the DC power generated at that time is taken out, while the unreacted fuel is generated during the generation of DC power. The gas is sequentially supplied to the reformer 8, the shift reactor 9, the carbon monoxide remover 10, etc. of the fuel processor 4 through the fuel gas recovery system 7, and the reformer 8, the shift reactor 9, the carbon monoxide are supplied. The raw fuel FU from which sulfur has been removed by the desulfurizer 1 when the temperature range in which each catalyst such as the remover 10 can react is reached.
L is switched to the normal operation fuel supply system 6 and supplied to the fuel cell main body 2.
【００３９】通常運転用燃料供給系統６に供給された原
燃料ＦＵＬは、水蒸気とともに燃料処理装置４の改質器
８で燃料ガス回収系統７から供給されるアノード排ガス
の吸熱反応用熱源の下、水蒸気改質され、さらにシフト
反応器９で一酸化炭素の濃度を低減させ、一酸化炭素除
去器１０で一酸化炭素を二酸化炭素に変換させた後、空
気とともに燃料電池本体２に供給され、直流電力を発生
させる。The raw fuel FUL supplied to the normal operation fuel supply system 6 is, together with the steam, under the heat source for endothermic reaction of the anode exhaust gas supplied from the fuel gas recovery system 7 in the reformer 8 of the fuel processing device 4, After steam reforming, the shift reactor 9 further reduces the concentration of carbon monoxide, and the carbon monoxide remover 10 converts carbon monoxide into carbon dioxide. Generate electricity.
【００４０】このように、本実施形態は、起動運転時、
脱硫後の原燃料ＦＵＬを、直接、燃料電池本体２に供給
して直流電力を発生させ、この間、燃料電池本体２から
燃料処理装置４に回収される未反応のアノード排ガスが
燃料処理装置４の改質器８、シフト反応器９、一酸化炭
素除去器１０を循環し、改質器８、シフト反応器９、一
酸化炭素除去器１０の各触媒が反応できる温度範囲なっ
たとき切り替えて、脱硫後の原燃料ＦＵＬを通常運転用
燃料供給系統６を介して燃料電池本体２に供給して直流
電力を発生させるので、触媒の高温維持の下、起動運転
時間をより一層短縮させることができる。As described above, the present embodiment is
The desulfurized raw fuel FUL is directly supplied to the fuel cell body 2 to generate DC power, and during this time, unreacted anode exhaust gas recovered from the fuel cell body 2 to the fuel treatment device 4 is fed to the fuel treatment device 4. The reformer 8, the shift reactor 9, and the carbon monoxide remover 10 are circulated, and the catalysts of the reformer 8, the shift reactor 9, and the carbon monoxide remover 10 are switched when they reach a temperature range where they can react, The desulfurized raw fuel FUL is supplied to the fuel cell main body 2 via the normal operation fuel supply system 6 to generate DC power, so that the startup operation time can be further shortened while maintaining the catalyst at a high temperature. .
【００４１】図３は、本発明に係る燃料電池発電装置の
第３実施形態を示す概略系統図である。FIG. 3 is a schematic system diagram showing a third embodiment of the fuel cell power generator according to the present invention.
【００４２】本実施形態に係る燃料電池発電装置は、脱
硫器１で硫黄を除去した水素を含む原燃料ＦＵＬを使用
し、原燃料中の水素と空気中の酸素との反応により直流
電力を取り出す第１燃料電池本体１１と、この第１燃料
電池本体１１から出た燃料ガスに水蒸気を加えて燃料ガ
スを再生し、水素リッチな燃料ガスにする燃料処理装置
１２と、この燃料処理装置１２で水素リッチにした燃料
ガスと空気中の酸素との反応により直流電力を取り出す
第２燃料電池本体１３とを備える構成になっている。The fuel cell power generator according to this embodiment uses the raw fuel FUL containing hydrogen from which sulfur has been removed by the desulfurizer 1, and takes out DC power by reacting hydrogen in the raw fuel with oxygen in the air. In the first fuel cell main body 11, the fuel processing apparatus 12 that regenerates the fuel gas by adding steam to the fuel gas discharged from the first fuel cell main body 11 to make the fuel gas rich in hydrogen, and the fuel processing apparatus 12 It is configured to include a second fuel cell main body 13 that extracts DC power by the reaction between hydrogen-rich fuel gas and oxygen in the air.
【００４３】また、本実施形態に係る燃料電池発電装置
は、第２燃料電池本体１３で未反応のアノード排ガスを
燃料処理装置１２に吸熱反応用熱源として供給する燃料
ガス回収系統１４を備えている。Further, the fuel cell power generator according to this embodiment is provided with a fuel gas recovery system 14 for supplying the unreacted anode exhaust gas in the second fuel cell main body 13 to the fuel processor 12 as a heat source for endothermic reaction. .
【００４４】燃料処理装置１２は、第２実施形態と同様
に、燃料ガスの流れに沿って順に、改質器１５、シフト
反応器１６、一酸化炭素除去器１７を備え、第１燃料電
池本体１１から出た燃料ガスに水蒸気を加えて改質器１
６で燃料ガス回収系統１４から供給されるアノード排ガ
スの吸熱反応用熱源の下、水蒸気改質させ、水蒸気改質
後の燃料ガスのうち、一酸化炭素の濃度をシフト反応器
１６で低下させ、さらに一酸化炭素除去器１７で一酸化
炭素を二酸化炭素に変換させている。Like the second embodiment, the fuel processor 12 is provided with a reformer 15, a shift reactor 16, and a carbon monoxide remover 17 in order along the flow of fuel gas. Reformer 1 by adding steam to the fuel gas emitted from 11
In step 6, steam reforming is performed under the heat source for endothermic reaction of the anode exhaust gas supplied from the fuel gas recovery system 14, and the concentration of carbon monoxide in the fuel gas after steam reforming is reduced in the shift reactor 16. Further, the carbon monoxide remover 17 converts carbon monoxide into carbon dioxide.
【００４５】次に、このような構成に基づいて燃料電池
発電装置の運転方法を説明する。Next, a method of operating the fuel cell power generator will be described based on such a configuration.
【００４６】本実施形態に係る燃料電池発電装置の運転
方法は、脱硫器１で硫黄除去後の原燃料ＦＵＬを第１燃
料電池本体１１に供給して直流電力を発生させた後、第
１燃料電池本体１１から出る未反応のアノード排ガスで
燃料処理装置１２における改質器１５、シフト反応器１
６、一酸化炭素除去器１７の各触媒が反応できる温度範
囲になると切り替えて、第１燃料電池本体１１から燃料
処理装置１２の改質器１５に供給されるアノード排ガス
の吸熱反応用熱源の下、水素リッチな水蒸気改質をさせ
て再生し、さらにシフト反応器１６で一酸化炭素の濃度
を低下させ、一酸化炭素除去器１７で一酸化炭素を二酸
化炭素に変換させ、第２燃料電池本体１３で直流電力を
発生させる。In the method of operating the fuel cell power generator according to this embodiment, the raw fuel FUL from which sulfur has been removed by the desulfurizer 1 is supplied to the first fuel cell body 11 to generate DC power, and then the first fuel is generated. The unreacted anode exhaust gas emitted from the cell body 11 is used as the reformer 15 and the shift reactor 1 in the fuel processor 12.
6. Under the heat source for endothermic reaction of the anode exhaust gas supplied from the first fuel cell main body 11 to the reformer 15 of the fuel processing device 12, switching is performed when the temperature range in which each catalyst of the carbon monoxide remover 17 can react is changed. , Hydrogen-rich steam reforming for regeneration, further reducing the concentration of carbon monoxide in the shift reactor 16 and converting carbon monoxide to carbon dioxide in the carbon monoxide remover 17, the second fuel cell body DC power is generated at 13.
【００４７】このように、本実施形態は、第１燃料電池
本体１１、第２燃料電池本体１３等の複数の燃料電池本
体を備えて発電量を増加させることと相俟って、第１燃
料電池本体１１で直流電力を発生させた後の未反応のア
ノード排ガスで燃料処理装置１２における各装置の触媒
が反応できる温度範囲になると切り替えて、燃料ガスを
燃料処理装置１２から第２燃料電池本体１３に供給し、
直流電力を発生させるので、第２燃料電池本体１３の起
動運転時間をより一層短縮させることができる。As described above, the present embodiment is provided with a plurality of fuel cell main bodies such as the first fuel cell main body 11 and the second fuel cell main body 13 in order to increase the amount of power generation. The fuel gas is switched from the fuel processor 12 to the second fuel cell main body by switching the fuel gas from the fuel processor 12 to the temperature range in which the catalyst of each device in the fuel processor 12 can react with the unreacted anode exhaust gas after the DC power is generated in the cell body 11. Supply to 13,
Since the DC power is generated, the starting operation time of the second fuel cell main body 13 can be further shortened.
【００４８】[0048]
【発明の効果】以上の説明の通り、本発明に係る燃料電
池発電装置は、硫黄除去後の水素を含む原燃料を、直
接、燃料電池本体に供給するとともに、燃料電池本体で
電力を発生させた燃料ガスをボイラに供給して水蒸気を
発生させ、発生した水蒸気を熱利用部に供給するので、
設備の簡素化と相俟ってエネルギの有効活用を図ること
ができる。As described above, in the fuel cell power generator according to the present invention, the raw fuel containing hydrogen after sulfur removal is directly supplied to the fuel cell main body, and the electric power is generated in the fuel cell main body. The generated fuel gas is supplied to the boiler to generate steam, and the generated steam is supplied to the heat utilization unit.
The energy can be effectively used in combination with the simplification of the equipment.
【００４９】また、本発明に係る燃料電池発電装置およ
び燃料電池発電装置の運転方法は、硫黄除去後の原燃料
を、直接、燃料電池本体に供給して電力を発生させ、こ
の間、燃料電池本体から燃料処理装置に回収させる未反
応のアノード排ガスで燃料処理装置における各装置の触
媒が反応できる温度範囲になったときに切り替えて、原
燃料を燃料処理装置を介して燃料電池本体に供給して直
流電力を発生させるので、触媒の反応温度維持の下、起
動運転時間をより一層短縮させることができる。Further, in the fuel cell power generator and the method of operating the fuel cell power generator according to the present invention, the raw fuel from which sulfur has been removed is directly supplied to the fuel cell main body to generate electric power, during which the fuel cell main body is generated. From the unreacted anode exhaust gas to be recovered from the fuel processor to the fuel cell main body through the fuel processor by switching when the catalyst of each device in the fuel processor reaches a temperature range where it can react. Since DC power is generated, the start-up operation time can be further shortened while maintaining the reaction temperature of the catalyst.
【００５０】また、本発明に係る燃料電池発電装置およ
び燃料電池発電装置の運転方法は、複数の燃料電池本体
を備えて発電量を増加させる一方、第１燃料電池本体で
直流電力を発生させた後の未反応のアノード排ガスで燃
料処理装置における各装置の触媒が反応できる温度範囲
になったときに切り替えて、原燃料を燃料処理装置を介
して第２燃料電池本体に供給して直流電力を発生させる
ので、触媒の高温維持の下、第２燃料電池本体の起動運
転時間をより一層短縮させることができる。Further, in the fuel cell power generator and the method of operating the fuel cell power generator according to the present invention, a plurality of fuel cell main bodies are provided to increase the amount of power generation, while DC power is generated in the first fuel cell main body. Switching is performed when the temperature of the catalyst of each device in the fuel processing device can be reacted with the unreacted anode exhaust gas afterward, and the raw fuel is supplied to the second fuel cell main body through the fuel processing device to generate DC power. Since it is generated, the startup operation time of the second fuel cell main body can be further shortened while maintaining the high temperature of the catalyst.
【図１】本発明に係る燃料電池発電装置の第１実施形態
を示す概略系統図。FIG. 1 is a schematic system diagram showing a first embodiment of a fuel cell power generator according to the present invention.
【図２】本発明に係る燃料電池発電装置の第２実施形態
を示す概略系統図。FIG. 2 is a schematic system diagram showing a second embodiment of a fuel cell power generator according to the present invention.
【図３】本発明に係る燃料電池発電装置の第３実施形態
を示す概略系統図。FIG. 3 is a schematic system diagram showing a third embodiment of the fuel cell power generator according to the present invention.
１ 脱硫器 ２ 燃料電池本体 ３ ボイラ ４ 燃料処理装置 ５ 起動運転用燃料供給系統 ６ 通常運転用燃料供給系統 ７ 燃料ガス回収系統 ８ 改質器 ９ シフト反応器 １０ 一酸化炭素除去器 １１ 第１燃料電池本体 １２ 燃料処理装置 １３ 第２燃料電池本体 １４ 燃料ガス回収系統 １５ 改質器 １６ シフト反応器 １７ 一酸化炭素除去器 1 desulfurizer 2 Fuel cell body 3 boiler 4 Fuel processor 5 Fuel supply system for start-up operation 6 Fuel supply system for normal operation 7 Fuel gas recovery system 8 reformer 9 shift reactor 10 Carbon monoxide remover 11 First fuel cell body 12 Fuel processor 13 Second fuel cell body 14 Fuel gas recovery system 15 reformer 16 shift reactor 17 Carbon monoxide remover
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.7 識別記号 ＦＩ テーマコート゛(参考） Ｈ０１Ｍ 8/04 Ｈ０１Ｍ 8/04 Ｘ 8/10 8/10 (72)発明者 奥村 実 東京都港区芝浦一丁目１番１号 東芝イン ターナショナルフュエルセルズ株式会社内 Ｆターム(参考） 5H026 AA06 5H027 AA06 BA01 BA16 BA17 BA19 DD03 DD06 MM12 ─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. 7 Identification code FI theme code (reference) H01M 8/04 H01M 8/04 X 8/10 8/10 (72) Inventor Minoru Okumura Shibaura, Minato-ku, Tokyo 1-1-1 1-1 Toshiba International Fuel Cells Co., Ltd. F-term (reference) 5H026 AA06 5H027 AA06 BA01 BA16 BA17 BA19 DD03 DD06 MM12
Claims (8)
とし、その原燃料の硫黄を脱硫後、直接供給して発電さ
せる燃料電池本体と、この燃料電池本体から出た未反応
ガスを燃料として蒸気を発生させるボイラとを備えたこ
とを特徴とする燃料電池発電装置。1. A fuel cell main body that uses hydrocarbon fuel gas containing hydrogen as a raw fuel, desulfurizes sulfur of the raw fuel, and then directly supplies power to generate electric power, and an unreacted gas discharged from the fuel cell main body as a fuel. A fuel cell power generation device comprising: a boiler for generating steam as a fuel cell.
とし、その原燃料の硫黄を脱硫後、直接供給して発電さ
せる燃料電池本体と、この燃料電池本体から出た未反応
ガスを燃料とし、水素リッチな燃料ガスに処理して前記
燃料電池本体に供給する燃料処理装置とを備えたことを
特徴とする燃料電池発電装置。2. A fuel cell main body that uses hydrocarbon-based fuel gas containing hydrogen as a raw fuel, desulfurizes sulfur of the raw fuel, and then directly supplies power to generate electric power, and an unreacted gas that is discharged from the fuel cell main body as fuel. And a fuel processing device which processes hydrogen-rich fuel gas and supplies the fuel gas to the fuel cell main body.
燃料処理装置の改質器に回収させる燃料ガス回収系統を
備えたことを特徴とする請求項２記載の燃料電池発電装
置。3. The fuel cell power generator according to claim 2, wherein the fuel cell main body includes a fuel gas recovery system for recovering unreacted gas to the reformer of the fuel processor during power generation.
原燃料を直接、前記燃料電池本体自身に供給させる起動
運転用燃料供給系統と、通常運転時、脱硫後の原燃料を
燃料処理装置を介して前記燃料電池本体自身に供給させ
る通常運転用燃料供給系統とを備えたことを特徴とする
請求項２記載の燃料電池発電装置。4. The fuel cell main body includes a fuel supply system for start-up operation for directly supplying the desulfurized raw fuel to the fuel cell itself during start-up operation, and a fuel processing for the desulfurized raw fuel during normal operation. 3. The fuel cell power generator according to claim 2, further comprising a fuel supply system for normal operation that supplies the fuel cell itself to the fuel cell itself through the device.
とし、その原燃料の硫黄を脱硫後、直接供給して発電さ
せる第１燃料電池本体と、この第１燃料電池本体から出
た未反応ガスを水素リッチな燃料ガスに処理する燃料処
理装置と、この燃料処理装置から出た水素リッチな燃料
ガスを供給して発電させる第２燃料電池本体とを備えた
ことを特徴とする燃料電池発電装置。5. A first fuel cell main body for producing power by directly supplying power after desulfurizing sulfur of the raw fuel using a hydrocarbon-based fuel gas containing hydrogen as a raw fuel, and a fuel cell not yet discharged from the first fuel cell main body. A fuel cell, comprising: a fuel processing device that processes a reaction gas into a hydrogen-rich fuel gas; and a second fuel cell body that supplies hydrogen-rich fuel gas emitted from the fuel processing device to generate electricity. Power generator.
スを燃料処理装置の改質器に回収させる燃料ガス回収系
統を備えたことを特徴とする請求項５記載の燃料電池発
電装置。6. The fuel cell power generator according to claim 5, wherein the second fuel cell main body includes a fuel gas recovery system for recovering unreacted gas to the reformer of the fuel processor during power generation. .
を直接、燃料電池本体に供給して発電を行わせ、前記燃
料電池本体から出た未反応ガスを燃料処理装置の改質器
に熱源として供給する一方、前記燃料処理装置に装着す
る触媒の反応温度範囲になったとき切り替えて、前記原
燃料を前記燃料処理装置を介して前記燃料電池本体に供
給して発電を行わせることを特徴とする燃料電池発電装
置の運転方法。7. A reformer of a fuel processor for supplying a raw fuel containing hydrogen after desulfurization directly to a fuel cell body to generate electricity during start-up operation, and to generate unreacted gas from the fuel cell body. While supplying the raw fuel as a heat source to the fuel cell main body through the fuel processing device by switching when the reaction temperature range of the catalyst mounted in the fuel processing device is reached. And a method of operating a fuel cell power generator.
を直接、第１燃料電池本体に供給して発電を行わせ、第
１燃料電池発電中、前記第１燃料電池から出る燃料ガス
が燃料処理装置に装着する触媒の反応温度範囲になった
とき、切り替えて前記燃料ガスを前記燃料処理装置を介
して第２燃料電池本体に供給し、発電を行わせることを
特徴とする燃料電池発電装置の運転方法。8. A fuel gas discharged from the first fuel cell during power generation of the first fuel cell by directly supplying a raw fuel containing hydrogen after desulfurization to the first fuel cell main body during start-up operation. When the temperature reaches the reaction temperature range of the catalyst mounted in the fuel processing apparatus, the fuel gas is switched to supply the fuel gas to the second fuel cell main body through the fuel processing apparatus to generate power. How to operate the generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002078167A JP3837662B2 (en) | 2002-03-20 | 2002-03-20 | FUEL CELL POWER GENERATOR AND METHOD OF OPERATING FUEL CELL POWER GENERATOR |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002078167A JP3837662B2 (en) | 2002-03-20 | 2002-03-20 | FUEL CELL POWER GENERATOR AND METHOD OF OPERATING FUEL CELL POWER GENERATOR |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2003272688A true JP2003272688A (en) | 2003-09-26 |
| JP3837662B2 JP3837662B2 (en) | 2006-10-25 |
Family
ID=29205966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002078167A Expired - Fee Related JP3837662B2 (en) | 2002-03-20 | 2002-03-20 | FUEL CELL POWER GENERATOR AND METHOD OF OPERATING FUEL CELL POWER GENERATOR |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3837662B2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006080512A1 (en) * | 2005-01-31 | 2006-08-03 | Matsushita Electric Industrial Co., Ltd. | Fuel cell power generation system, and method for operating fuel cell power generation system |
| WO2008118726A1 (en) * | 2007-03-26 | 2008-10-02 | Advanced Hydrogen Power Systems, Inc. | Hydrogen mobile power plant that extracts hydrogen fuel from water |
| JP2009079155A (en) * | 2007-09-26 | 2009-04-16 | Toshiba Fuel Cell Power Systems Corp | Liquid fuel desulfurization apparatus and liquid fuel desulfurization system |
| KR101334185B1 (en) | 2007-12-31 | 2013-11-28 | 삼성전자주식회사 | Vapor fuel feeding type fuel cell and temperature control method thereof |
-
2002
- 2002-03-20 JP JP2002078167A patent/JP3837662B2/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006080512A1 (en) * | 2005-01-31 | 2006-08-03 | Matsushita Electric Industrial Co., Ltd. | Fuel cell power generation system, and method for operating fuel cell power generation system |
| US8257873B2 (en) | 2005-01-31 | 2012-09-04 | Panasonic Corporation | Fuel cell power generation system with valve on raw material gas supply passage and valve downstream of carbon monoxide decreasing unit, and method for operating fuel cell power generation system |
| JP5178188B2 (en) * | 2005-01-31 | 2013-04-10 | パナソニック株式会社 | Fuel cell power generation system and method of operating fuel cell power generation system |
| US8475965B2 (en) | 2005-01-31 | 2013-07-02 | Panasonic Corporation | Fuel cell power generation system with valve on raw material gas supply passage and valve downstream of carbon monoxide decreasing unit, and method for operating fuel cell power generation system |
| WO2008118726A1 (en) * | 2007-03-26 | 2008-10-02 | Advanced Hydrogen Power Systems, Inc. | Hydrogen mobile power plant that extracts hydrogen fuel from water |
| JP2009079155A (en) * | 2007-09-26 | 2009-04-16 | Toshiba Fuel Cell Power Systems Corp | Liquid fuel desulfurization apparatus and liquid fuel desulfurization system |
| KR101334185B1 (en) | 2007-12-31 | 2013-11-28 | 삼성전자주식회사 | Vapor fuel feeding type fuel cell and temperature control method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3837662B2 (en) | 2006-10-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6397502B2 (en) | Reformer / electrolyzer / refiner (REP) assembly for hydrogen production, system incorporating the assembly, and hydrogen production method | |
| KR100961838B1 (en) | External reforming type molten carbonate fuel cell system | |
| KR100762685B1 (en) | reformer and fuel cell system using the same | |
| FI90967B (en) | Method for the production of ammonia | |
| JP2006031989A (en) | Method and system for power generation by solid oxide fuel cell | |
| JPH0364866A (en) | Fuel cell system | |
| JP2014519177A (en) | Hybrid system of fuel cell and reciprocating gasoline / diesel engine | |
| Authayanun et al. | Theoretical analysis of a biogas-fed PEMFC system with different hydrogen purifications: Conventional and membrane-based water gas shift processes | |
| KR100786462B1 (en) | reformer with oxygen supplier and fuel cell system using the same | |
| JP4676934B2 (en) | Starting method of fuel cell system | |
| JP2003272691A (en) | Fuel cell generating device and operating method of fuel cell generating device | |
| JP3644667B2 (en) | Fuel cell power generator | |
| JP3837662B2 (en) | FUEL CELL POWER GENERATOR AND METHOD OF OPERATING FUEL CELL POWER GENERATOR | |
| CN116454331A (en) | Solid oxide fuel cell heat balance system and method for carbon capture | |
| JP2004171802A (en) | Fuel cell system | |
| JP4416503B2 (en) | Apparatus and method for supplying hydrogen to a fuel cell and use of the fuel cell for electrically driving a vehicle | |
| JP3257604B2 (en) | Fuel cell generator | |
| KR20110037316A (en) | Fuel cell combined power system comprising carbon steam reformer | |
| KR102216661B1 (en) | Fuel cell system and start-up method thereof | |
| JPH0665060B2 (en) | Molten carbonate fuel cell power generation system | |
| JP2003331898A (en) | Fuel cell system | |
| JP3609961B2 (en) | Fuel cell power generator | |
| Kamarudin et al. | Clean cheap and compact (3c) power generation system for mobile and portable application: PEM fuel cell | |
| JP2009230909A (en) | Fuel cell power generation device | |
| JP4467924B2 (en) | Fuel cell power generation system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20040525 |
|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20051129 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20060425 |
|
| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20060621 |
|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20060718 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20060719 |
|
| R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090811 Year of fee payment: 3 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100811 Year of fee payment: 4 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110811 Year of fee payment: 5 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110811 Year of fee payment: 5 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120811 Year of fee payment: 6 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120811 Year of fee payment: 6 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130811 Year of fee payment: 7 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| LAPS | Cancellation because of no payment of annual fees |