JPH0824050B2 - Operation method of fuel cell power generation system - Google Patents
Operation method of fuel cell power generation systemInfo
- Publication number
- JPH0824050B2 JPH0824050B2 JP61167953A JP16795386A JPH0824050B2 JP H0824050 B2 JPH0824050 B2 JP H0824050B2 JP 61167953 A JP61167953 A JP 61167953A JP 16795386 A JP16795386 A JP 16795386A JP H0824050 B2 JPH0824050 B2 JP H0824050B2
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- cell
- oxidant
- supplied
- stacks
- 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.)
- Expired - Fee Related
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
- H01M8/04—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
-
- 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
- H01M8/249—Grouping of fuel cells, e.g. stacking of fuel cells comprising two or more groupings of fuel cells, e.g. modular assemblies
-
- 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)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は燃料電池発電システムの運転方法に関するも
のである。The present invention relates to a method of operating a fuel cell power generation system.
燃料電池は長時間連続運転を行うと、種々の要因によ
り性能劣化する。従来の技術では電解質消失の要因によ
り劣化した性能を回復させる、電解質補給の性能回復手
段（特開昭58−103784,特開昭58−48366,特開昭58−421
79号公報）はあるが、この他の要因による性能劣化を回
復させる方法、または、積極的に性能を向上させる方法
はなかつた。When a fuel cell is continuously operated for a long time, the performance of the fuel cell deteriorates due to various factors. In the prior art, electrolyte replenishment performance recovery means for recovering the performance deteriorated due to the loss of electrolyte (Japanese Patent Laid-Open No. 58-103784, Japanese Patent Laid-Open No. 58-48366, Japanese Patent Laid-Open No. 58-421).
However, there is no method for recovering performance deterioration due to other factors or a method for positively improving performance.
従来は電解質の消失以外の要因で性能が劣化した場合
の性能回復手段がなく、電池の長寿命化に関しても大き
な問題であつた。Conventionally, there is no means for recovering the performance when the performance deteriorates due to factors other than the disappearance of the electrolyte, and there has been a big problem in extending the life of the battery.
本発明は以上の点に鑑みなされたものであり、燃料電
池の長寿命化，高性能化を可能とした燃料電池発電シス
テムの運転方法を提供することを目的とするものであ
る。The present invention has been made in view of the above points, and an object of the present invention is to provide a method of operating a fuel cell power generation system that enables a long life and high performance of a fuel cell.
すなわち本発明は、夫々の酸化剤供給ラインに、夫々
の電池スタックに供給される酸化剤の供給量を制御する
流量調整バルブを設けるとともに、この夫々の流量調整
バルブを制御する制御装置を設け、そしてこの制御装置
により直列接続体の運転中に、複数個の電池スタックの
うち一部の電池スタツクを、燃料が供給されている状態
で、酸化剤が一時的に供給されないように運転するよう
になし所期の目的を達成するようにしたものである。That is, the present invention, each oxidant supply line is provided with a flow rate adjusting valve for controlling the supply amount of the oxidant to be supplied to each battery stack, and a control device for controlling each of the flow rate adjusting valves is provided, Then, during the operation of the series-connected body by this control device, a part of the battery stacks of the plurality of battery stacks is operated so that the oxidant is not temporarily supplied while the fuel is supplied. None It is designed to achieve the intended purpose.
燃料電池は運転中に一時的な酸化剤供給不足状態を経
ると、その状態を経た後で第２図に示されているよう
に、性能が向上する（一定の負荷電流に対する電圧出力
が増加する）ことが判つた。すなわち同図は縦軸にセル
電圧をとり、横軸に時間をとつて時間によるセル電圧の
変化特性を示してあるが、同図に示されているように、
定常運転中に一時的な酸化剤供給不足状態（この場合に
燃料は十分に供給する）にすると、この不足状態経過後
の定常運転におけるセル電圧が不足状態経過前の定常運
転におけるセル電圧よりも高くなつている。従つて縦軸
にセル電圧をとり、横軸に時間をとつて時間によるセル
電圧の変化特性が示してある第３図に示されているよう
に、一時的な酸化剤供給不足状態を必要に応じて生じさ
せることにより、図中点線表示のセル電圧の経時変化特
性となつて、図中実線表示の従来の運転方法によるセル
電圧の経時変化特性によりセル電圧が向上する。すなわ
ち酸化剤供給不足状態を必要に応じて生じさせることに
より、電池性能を回復させ、電池性能の経時的劣化を抑
えたり、あるいは、電池性能を積極的に向上させて高性
能電池を得ることができる。When the fuel cell undergoes a temporary oxidant supply shortage state during operation, the performance improves after that state (as shown in FIG. 2) (voltage output increases for a constant load current). ) Was found. That is, the figure shows the cell voltage on the vertical axis and the time on the horizontal axis to show the change characteristics of the cell voltage with time, but as shown in the figure,
If a temporary oxidant supply shortage state (fuel is sufficiently supplied in this case) is entered during steady operation, the cell voltage in steady operation after this shortage has passed the cell voltage in steady operation before the shortage has passed. It is getting higher. Therefore, as shown in FIG. 3 in which the cell voltage is plotted on the vertical axis and the time-dependent change characteristic of the cell voltage is plotted on the horizontal axis, a temporary oxidant supply shortage state is required. In accordance with the characteristics of the cell voltage shown by the dotted line in the figure over time, the cell voltage is improved by the characteristics of the cell voltage over time according to the conventional operating method shown by the solid line in the figure. That is, it is possible to recover the battery performance and suppress the deterioration of the battery performance over time, or to positively improve the battery performance to obtain a high-performance battery by causing an insufficient supply of the oxidant as necessary. it can.
以下、図示した実施例に基づいて本発明を説明する。
第１図には本発明の一実施例が示されている。同図に示
されているように燃料電池発電システムは複数個の電池
スタツク11,12……1Nが直列に接続された直列接続体
１、この直列接続体１に直列に接続された負荷２および
負荷電流検出装置３を備えており、電池スタツク11,12
……1Nには燃料および酸化剤を供給する燃料、酸化剤供
給ライン4,5が設けられている。このように構成された
燃料電池発電システムで、本実施例では電池スタツク
11,12……1Nに電池出力制御系６を設け、酸化剤供給ラ
イン５には流量調整器、例えば流量調整バルブ７を設け
ると共に、これら電池出力制御系６および流量調整バル
ブ７と負荷電流検出装置３との間に制御装置８を設け
て、直列接続体１の所定の電池スタツク11を直列接続体
１の運転中にその直列接続体１の負荷電流を低下させず
に一時的な酸化剤供給不足状態とすることを可能とし
た。このようにすることにより、電池スタツク11,12…
…1Nに電池出力制御系６が設けられ、酸化剤供給ライン
５には流量調整バルブ７が設けられると共に、これら電
池出力制御系６および流量調整バルブ７と負荷電流検出
装置３との間に制御装置８が設けられて、直列接続体１
の所定の電池スタツク11を直列接続体１の運転中にその
直列接続体１の負荷電流を低下させずに一時的な酸化剤
供給不足状態とすることができるようになつて、電池性
能の経時的劣化が抑えられ、電池性能が積極的に向上さ
せられるようになり、燃料電池の長寿命化，高性能化を
可能とした燃料電池発電システムを得ることができる。Hereinafter, the present invention will be described based on the illustrated embodiments.
FIG. 1 shows an embodiment of the present invention. As shown in the figure, the fuel cell power generation system has a series connection body 1 in which a plurality of cell stacks 1 1 , 1 2 ... 1 N are connected in series, and the series connection body 1 is connected in series. It is equipped with a load 2 and a load current detection device 3, and the battery stack 1 1 , 1 2
...... 1 N is provided with fuel and oxidant supply lines 4 and 5 for supplying fuel and oxidant. In the fuel cell power generation system configured as described above, in this embodiment, the battery stack is
1 1 , 1 2 ... 1 N is provided with a battery output control system 6, and the oxidant supply line 5 is provided with a flow rate adjuster, for example, a flow rate adjustment valve 7, and these battery output control system 6 and flow rate adjustment valve 7 A control device 8 is provided between the load current detection device 3 and a predetermined battery stack 11 of the series connection body 1 while the series connection body 1 is in operation without temporarily reducing the load current of the series connection body 1. It was possible to make the supply of oxidant insufficient. By doing this, the battery stack 1 1 , 1 2 ...
... 1 N is provided with a battery output control system 6 and the oxidant supply line 5 is provided with a flow rate adjusting valve 7, and between the battery output control system 6 and the flow rate adjusting valve 7 and the load current detection device 3. The controller 8 is provided and the serial connection body 1 is provided.
Predetermined battery Sutatsuku 1 1, such as can be temporary oxidant supply shortages without reducing the load current of the series connection 1 during the operation of series connection 1 connexion, the battery performance It is possible to obtain a fuel cell power generation system in which deterioration over time is suppressed and the cell performance is positively improved, and the fuel cell has a long life and high performance.
すなわちこのように構成された燃料電池発電システム
で、直列接続体１の電池スタツク11を酸化剤供給不足状
態にしたい場合には、負荷電流検出装置３で検出した負
荷電流が変化しないように、すなわちシステム全体（直
列接続体１）の発電総合出力が変化しないように、制御
装置８で電池スタツク11の流量調整バルブ７を調整し
て、電池スタツク11への酸化剤供給量を減らす。次いで
制御装置８により電池スタツク11以外の電池スタツク12
……1Nの出力を電池出力制御系６（酸化剤の出口から入
口へリサイクル流量調整，温度調整等電池出力を調整す
る機構を含む）で増加させ、電池スタツク11で減つた電
池出力分を補えようとした。このようにすることにより
電池スタツク11は酸化剤供給不足状態にあるにもかかわ
らず、負荷２側には影響を与えなくて済む。すなわち直
列接続体１の所定の電池スタツク11をシステムの運転中
のシステムの負荷電流を低下させず、一時的な酸化剤供
給不足状態とすることができるようになつて、燃料電池
の長寿命化，高性能化を可能とした燃料電池発電システ
ムの運転方法を得ることができる。That is, in the thus constructed fuel cell power generation system, if you want a battery Sutatsuku 1 1 of the series connection body 1 to the oxidizing agent supply shortage state, so that the load current detected by the load current detection unit 3 does not change, that is, as the generator total output of the entire system (series connection 1) does not change, by adjusting the flow rate adjusting valve 7 of the battery Sutatsuku 1 1 by the control device 8 reduces the oxidant supply to the battery Sutatsuku 1 1. Next, the control unit 8 by the battery Sutatsuku 1 1 other cell Sutatsuku 1 2
...... Increases the 1 N output by the battery output control system 6 (including a mechanism that adjusts the battery output such as recycle flow rate adjustment and temperature adjustment from the oxidizer outlet to the inlet), and reduces the battery output by the battery stack 1 1. I tried to make up for. Such cell Sutatsuku 1 1 by the despite the oxidant supply shortages, the load 2 side need not affect. That without reducing the system load current in a predetermined battery Sutatsuku 1 1 of the series connection body 1 system operation, temporary connexion has become able to oxidant supply shortage state, the fuel cell of long life It is possible to obtain a method of operating a fuel cell power generation system that enables higher performance and higher performance.
このように本実施例によれば僅かの時間で電池の性能
を向上させることができる（一定の負荷電池に対する電
池の出力電圧が数mVから十数mV程度アツプする）。これ
は現在の技術で、1000時間以上での電池の経時的性能劣
化に相当する。従つて本実施例によれば電池性能の経時
的劣化分を回復させ、電池の寿命を伸ばしたり、電池性
能をアツプして高性能電池を得ることができる。As described above, according to this embodiment, the performance of the battery can be improved in a short time (the output voltage of the battery for a constant load battery is increased by several mV to several tens of mV). This is the current technology and corresponds to the deterioration of the performance of the battery over time after 1000 hours. Therefore, according to this embodiment, it is possible to recover the deterioration of the battery performance over time, extend the life of the battery, and improve the battery performance to obtain a high-performance battery.
なお、本実施例では酸化剤供給量を流量調整バルブ７
で減らすようにしたが、これのみに限るものではなく酸
化剤のリサイクル等の方法で酸化剤濃度を希釈させるよ
うにしてもよい。In this embodiment, the oxidant supply amount is adjusted by the flow rate adjusting valve 7.
However, the concentration is not limited to this, and the oxidizing agent concentration may be diluted by a method such as recycling of the oxidizing agent.
なおまた、発電システムを実際の負荷から切り離し、
所望の抵抗値をもつダミー負荷に接続して前述の場合と
同様のことを行うと、負荷側に対する配慮をあまりせず
に、容易に前述の場合と同様な作用効果を奏することが
できる。Again, disconnect the power generation system from the actual load,
By connecting to a dummy load having a desired resistance value and performing the same as in the case described above, it is possible to easily achieve the same operational effect as in the case described above without much consideration for the load side.
また、１つの電池スタツクしかない燃料電池発電シス
テムにおいては、次のようにすればよいと考えられる。Further, in a fuel cell power generation system having only one cell stack, the following may be considered.
（１）実際の負荷と切り離し、燃料電池すなわち１つの
電池スタツクに直列に別の電源（定電流制御できるも
の）および必要に応じてダミー負荷を接続し、燃料電池
を酸化剤供給不足状態（燃料は充足）のまま、負荷電流
を流し続けることができる。このようにすることによ
り、酸化剤供給不足状態で流す電流を容易に制御するこ
とができる。(1) Separate from the actual load, connect a fuel cell, that is, one battery stack in series with another power source (one that can be controlled with constant current) and, if necessary, a dummy load, and connect the fuel cell to the oxidant supply shortage state (fuel The load current can continue to flow without changing. By doing so, it is possible to easily control the electric current that is supplied when the supply of the oxidizing agent is insufficient.
（２）実際の負荷と切り離し、燃料電池にダミー負荷を
接続し、酸化剤供給不足状態で発電すると、ガスの偏流
のため積層された複数の単電池のうち酸化剤供給不足状
態とならなかつた単電池群が発電を持続し、上述（１）
のような別の電源を使う必要なく、前述の場合と同様な
作用効果を奏することができる。しかし、複数の単電池
のうち、一部の電池しか酸化剤供給不足状態にならな
い。(2) When disconnecting from the actual load, connecting a dummy load to the fuel cell, and generating power in the oxidant supply shortage state, the oxidizer supply shortage state did not occur among the stacked single cells due to the gas drift. The unit cell group continues to generate electricity, and the above (1)
It is possible to achieve the same operation and effect as in the case described above without the need to use another power source such as. However, only some of the plurality of cells are in the oxidant supply shortage state.
以上説明してきたように本発明によれば、セル電圧の
経時変化特性によりセル電圧の向上、すなわち電池性能
を回復させ、燃料電池の長寿命化および高性能化を図る
ことができる。As described above, according to the present invention, the cell voltage can be improved, that is, the cell performance can be restored by the time-dependent change characteristic of the cell voltage, and the life and performance of the fuel cell can be extended.
第１図は本発明の燃料電池発電システムの一実施例のシ
ステム系統図、第２図は燃料電池の定常運転中に一時的
な酸化剤供給不足状態を設けた場合の時間によるセル電
圧の変化を示す特性図、第３図は一時的に酸化剤供給不
足状態を設けて運転した場合と設けないで運転した場合
とのセル電圧の経時変化特性図である。 １……直列接続体、11,12,1N……電池スタツク、２……
負荷、３……負荷電流検出装置、４……燃料供給ライ
ン、５……酸化剤供給ライン、６……電池出力制御系、
７……流量調整バルブ（流量調整器）、８……制御装
置。FIG. 1 is a system diagram of an embodiment of the fuel cell power generation system of the present invention, and FIG. 2 is a change in cell voltage with time when a temporary oxidant supply shortage state is provided during steady operation of the fuel cell. FIG. 3 is a characteristic diagram showing a change in cell voltage with time in the case of operating with and without the temporary supply of oxidant. 1 …… Series connection body, 1 1 , 1, 2 , 1 N …… Battery stack, 2 ……
Load, 3 ... Load current detection device, 4 ... Fuel supply line, 5 ... Oxidant supply line, 6 ... Battery output control system,
7 ... Flow control valve (flow controller), 8 ... Control device.
フロントページの続き (72)発明者 幹 淳 茨城県日立市久慈町4026番地 株式会社日 立製作所日立研究所内 (56)参考文献 特開 昭60−208066（ＪＰ，Ａ)Front page continued (72) Inventor Jun Atsushi 4026 Kuji-cho, Hitachi City, Ibaraki Prefecture, Hitachi Research Laboratory, Hiritsu Manufacturing Co., Ltd. (56) Reference JP-A-60-208066 (JP, A)
Claims (2)
直列接続体と、前記夫々の電池スタックに設けられ、電
池スタックに燃料を供給する燃料供給ラインと、前記夫
々の電池スタックに設けられ、電池スタックに酸化剤を
供給する酸化剤供給ラインとを備え、前記夫々の燃料供
給ラインおよび酸化防止剤供給ラインから前記夫々の電
池スタックに電池負荷に応じた燃料量および酸化剤量が
供給されて発電する燃料電池発電システムの運転方法に
おいて、 前記夫々の酸化剤供給ラインに、夫々の電池スタックに
供給される酸化剤の供給量を制御する流量調整バルブを
設けるとともに、この夫々の流量調整バルブを制御する
制御装置を設け、該制御装置により前記直列接続体の運
転中に、前記複数個の電池スタックのうち一部の電池ス
タックを、燃料が供給されている状態で、酸化剤が一時
的に供給されないように運転するようにしたことを特徴
とする燃料電池発電システムの運転方法。1. A series connection body in which a plurality of cell stacks are connected in series, a fuel supply line provided in each of the cell stacks, for supplying fuel to the cell stacks, and provided in each of the cell stacks. An oxidant supply line for supplying an oxidant to the cell stack, and a fuel amount and an oxidant amount corresponding to a cell load are supplied to the respective cell stacks from the respective fuel supply line and the antioxidant supply line. In a method of operating a fuel cell power generation system for generating power by means of a flow control valve for controlling the supply amount of the oxidant supplied to each cell stack in each of the oxidizer supply lines, And a control device for controlling a plurality of battery stacks among the plurality of battery stacks during operation of the series-connected body by the control device. The method for operating a fuel cell power generation system is characterized in that the fuel cell is operated so that the oxidant is not temporarily supplied while the fuel is being supplied.
直列接続と、前記夫々の電池スタックに設けられ、電池
スタックに燃料を供給する燃料供給ラインと、前記夫々
の電池スタックに設けられ、電池スタックに酸化剤を供
給する酸化剤供給ラインとを備え、前記夫々の燃料供給
ラインおよび酸化剤供給ラインから前記夫々の電池スタ
ックに電池負荷に応じた燃料量および酸化剤量が供給さ
れて発電する燃料電池発電システムの運転方法におい
て、 前記夫々の酸化剤供給ラインに、夫々の電池スタックに
供給される酸化剤の供給量を制御する流量調整バルブを
設けるとともに、この夫々の流量調整バルブを制御する
制御装置を設け、該制御装置により前記直列接続体の運
転中に、前記複数個の電池スタックのうち一部の電池ス
タックを、燃料が供給されている状態で、酸化剤が一時
的に供給されないように運転するとともに、前記一部の
電池スタックの一時的な酸化剤無供給による発生電力の
不足を、前記一部の電池スタック以外の電池スタックに
供給される燃料および酸化剤量を増して補うように運転
すること特徴とする燃料電池発電システムの運転方法。2. A series connection in which a plurality of cell stacks are connected in series, a fuel supply line provided in each of the cell stacks for supplying fuel to the cell stacks, and provided in each of the cell stacks, An oxidant supply line for supplying an oxidant to the cell stack, and a fuel amount and an oxidant amount corresponding to a cell load are supplied to the respective fuel stacks and the oxidant supply line to generate electricity. In the method for operating a fuel cell power generation system, a flow rate adjusting valve for controlling the supply amount of the oxidant supplied to each cell stack is provided in each of the oxidant supply lines, and each flow rate adjusting valve is controlled. A control unit for controlling the fuel consumption of the plurality of cell stacks during operation of the series-connected body by the control apparatus. Is supplied, the oxidizer is operated so that the oxidizer is not temporarily supplied. The method of operating a fuel cell power generation system, comprising: operating so as to increase and supplement the amount of fuel and oxidant supplied to the cell stack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61167953A JPH0824050B2 (en) | 1986-07-18 | 1986-07-18 | Operation method of fuel cell power generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61167953A JPH0824050B2 (en) | 1986-07-18 | 1986-07-18 | Operation method of fuel cell power generation system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6326961A JPS6326961A (en) | 1988-02-04 |
| JPH0824050B2 true JPH0824050B2 (en) | 1996-03-06 |
Family
ID=15859107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61167953A Expired - Fee Related JPH0824050B2 (en) | 1986-07-18 | 1986-07-18 | Operation method of fuel cell power generation system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0824050B2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6399231B1 (en) | 2000-06-22 | 2002-06-04 | Utc Fuel Cells, Llc | Method and apparatus for regenerating the performance of a PEM fuel cell |
| JP2008130402A (en) * | 2006-11-22 | 2008-06-05 | Toyota Motor Corp | Fuel cell system |
| JP5221766B2 (en) * | 2009-09-02 | 2013-06-26 | パナソニック株式会社 | Fuel cell power generation system and operation method thereof |
| WO2014103101A1 (en) * | 2012-12-26 | 2014-07-03 | トヨタ自動車株式会社 | Fuel cell system and method for restoring electric power generation performance of fuel cells in fuel cell system |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6472090B1 (en) | 1999-06-25 | 2002-10-29 | Ballard Power Systems Inc. | Method and apparatus for operating an electrochemical fuel cell with periodic reactant starvation |
| US6329089B1 (en) | 1997-12-23 | 2001-12-11 | Ballard Power Systems Inc. | Method and apparatus for increasing the temperature of a fuel cell |
| US6884530B2 (en) * | 2001-05-31 | 2005-04-26 | Sfc, Smart Fuel Cell Ag | Method of improving the performance of a direct feed fuel cell |
| US6896982B2 (en) | 2002-05-30 | 2005-05-24 | Ballard Power Systems Inc. | Conditioning method for fuel cells |
| JP4852241B2 (en) * | 2004-12-27 | 2012-01-11 | 東芝燃料電池システム株式会社 | Operation method of fuel cell power generation system |
| JP4689285B2 (en) * | 2005-01-27 | 2011-05-25 | 東芝燃料電池システム株式会社 | Fuel cell system, control method and control program |
| JP5064723B2 (en) * | 2006-05-25 | 2012-10-31 | パナソニック株式会社 | Operation method of fuel cell |
| GB2513636A (en) * | 2013-05-02 | 2014-11-05 | Intelligent Energy Ltd | A fuel cell system |
| KR101575415B1 (en) * | 2013-10-14 | 2015-12-09 | 현대자동차주식회사 | Performance recovery method for fuel cell stack |
| JP7110913B2 (en) | 2018-10-30 | 2022-08-02 | トヨタ自動車株式会社 | fuel cell system |
| JP7327378B2 (en) * | 2020-12-25 | 2023-08-16 | トヨタ自動車株式会社 | fuel cell system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2557336B2 (en) * | 1984-03-31 | 1996-11-27 | 株式会社東芝 | Fuel cell power generation system |
-
1986
- 1986-07-18 JP JP61167953A patent/JPH0824050B2/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6399231B1 (en) | 2000-06-22 | 2002-06-04 | Utc Fuel Cells, Llc | Method and apparatus for regenerating the performance of a PEM fuel cell |
| JP2008130402A (en) * | 2006-11-22 | 2008-06-05 | Toyota Motor Corp | Fuel cell system |
| JP5221766B2 (en) * | 2009-09-02 | 2013-06-26 | パナソニック株式会社 | Fuel cell power generation system and operation method thereof |
| WO2014103101A1 (en) * | 2012-12-26 | 2014-07-03 | トヨタ自動車株式会社 | Fuel cell system and method for restoring electric power generation performance of fuel cells in fuel cell system |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6326961A (en) | 1988-02-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102664278B (en) | Fuel cell system | |
| US6781343B1 (en) | Hybrid power supply device | |
| KR101551085B1 (en) | Controlling method of a fuel cell vehicle | |
| JPH0824050B2 (en) | Operation method of fuel cell power generation system | |
| KR101433693B1 (en) | System and method of starting a fuel cell system | |
| CN105609836B (en) | The method for controlling of operation of fuel cell system and fuel cell system | |
| CN104205454B (en) | Fuel cell system | |
| US20020136939A1 (en) | Fuel cell and battery voltage controlling method and system | |
| US20070129859A1 (en) | Control apparatus for fuel cell vehicle | |
| KR102551676B1 (en) | External power supply system and supply method of fuel cell vehicle | |
| US20050227126A1 (en) | Method and apparatus for cold-starting a PEM fuel cell (PEMFC), and PEM fuel cell system | |
| US8027759B2 (en) | Fuel cell vehicle system | |
| JP4492824B2 (en) | Fuel cell system | |
| JP4993293B2 (en) | Fuel cell system and moving body | |
| CN105609831B (en) | The method for controlling of operation of fuel cell system and fuel cell system | |
| US20080118798A1 (en) | Fuel cell system apparatus | |
| JP2007103115A (en) | Fuel cell system | |
| JP2004253220A (en) | Control device of fuel cell vehicle | |
| JP2006073506A (en) | Fuel cell vehicle and controlling method of the same | |
| WO2020138338A1 (en) | Fuel cell activation method and apparatus | |
| JP5151293B2 (en) | Operation method of fuel cell | |
| JPH0444391B2 (en) | ||
| JP5725423B2 (en) | Fuel cell system | |
| JP2007128790A (en) | Control method of fuel cell, and its controller | |
| JP7272162B2 (en) | fuel cell car |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313111 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
| LAPS | Cancellation because of no payment of annual fees |