JP2003036870A - Fuel cell system and control method thereof - Google Patents
Fuel cell system and control method thereofInfo
- Publication number
- JP2003036870A JP2003036870A JP2001224080A JP2001224080A JP2003036870A JP 2003036870 A JP2003036870 A JP 2003036870A JP 2001224080 A JP2001224080 A JP 2001224080A JP 2001224080 A JP2001224080 A JP 2001224080A JP 2003036870 A JP2003036870 A JP 2003036870A
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- Japan
- Prior art keywords
- hydrogen
- fuel cell
- opening
- pipe
- foreign matter
- Prior art date
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Classifications
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- 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
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- Fuel Cell (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は燃料電池システム及
びその制御方法に関する。この燃料電池システム及びそ
の制御方法は電気自動車、ハイブリッド車等に用いて好
適である。TECHNICAL FIELD The present invention relates to a fuel cell system and a control method thereof. This fuel cell system and its control method are suitable for use in electric vehicles, hybrid vehicles, and the like.
【０００２】[0002]
【従来の技術】従来、燃料電池装置と、この燃料電池装
置に接続された水素供給手段と、燃料電池装置に接続さ
れた給水手段としての直噴ノズルとを備えた燃料電池シ
ステムが知られている。2. Description of the Related Art Conventionally, there has been known a fuel cell system including a fuel cell device, a hydrogen supply means connected to the fuel cell device, and a direct injection nozzle as a water supply means connected to the fuel cell device. There is.
【０００３】燃料電池装置は、大気中の空気が空気流路
により供給される空気極と、水素ガスが水素ガス流路に
より供給される水素極と、空気極及び水素極に挟持され
たイオン交換樹脂からなる固体高分子膜型の電解質層と
を有しており、空気中の酸素と水素ガスとの電気化学反
応により電力を生じ得るようになっている。水素供給手
段は、水素吸蔵合金により水素を貯蔵する水素貯蔵装置
と、水素貯蔵装置と燃料電池装置とを水素ガス給気路と
して接続し、水素極側に水素ガスを供給可能な水素供給
管とを有している。The fuel cell device has an air electrode to which air in the atmosphere is supplied through an air flow path, a hydrogen electrode to which hydrogen gas is supplied through a hydrogen gas flow path, and an ion exchange sandwiched between the air electrode and the hydrogen electrode. It has a solid polymer membrane type electrolyte layer made of resin, and can generate electric power by an electrochemical reaction between oxygen and hydrogen gas in the air. The hydrogen supply means connects a hydrogen storage device for storing hydrogen by a hydrogen storage alloy, the hydrogen storage device and the fuel cell device as a hydrogen gas supply passage, and a hydrogen supply pipe capable of supplying hydrogen gas to the hydrogen electrode side. have.
【０００４】また、燃料電池システムは、燃料電池装置
の空気極側に水を供給する直噴ノズルと、水を貯溜する
水タンクと、水タンクから直噴ノズルに水を供給する給
水路としての給水管とを備えている。Further, the fuel cell system has a direct injection nozzle for supplying water to the air electrode side of the fuel cell device, a water tank for storing water, and a water supply channel for supplying water from the water tank to the direct injection nozzle. It is equipped with a water supply pipe.
【０００５】この燃料電池システムでは、燃料電池装置
の空気流路に大気中の空気が供給される一方、燃料電池
装置の水素ガス流路に水素供給手段から供給される水素
ガスが供給されることにより、水素極側では、
Ｈ2→２Ｈ+＋２ｅ-
の反応を生じる。ここで生じたＨ+がＨ3Ｏ+の形で電解
質層を移動し、空気極側において、
（１／２）Ｏ2＋２Ｈ+＋２ｅ-→Ｈ2Ｏ
の反応を生じる。こうして、水素極と空気極との間にお
いて、
Ｈ2＋（１／２）Ｏ2→Ｈ2Ｏ
の電気化学反応による起電力が得られることとなる。ま
た、これにより空気極側では生成水を生じることとな
る。In this fuel cell system, the air in the atmosphere is supplied to the air passage of the fuel cell device, while the hydrogen gas supplied from the hydrogen supply means is supplied to the hydrogen gas passage of the fuel cell device. Thus, a reaction of H 2 → 2H + + 2e − occurs on the hydrogen electrode side. The H + generated here moves through the electrolyte layer in the form of H 3 O + , and a reaction of (1/2) O 2 + 2H + + 2e − → H 2 O occurs on the air electrode side. Thus, an electromotive force due to an electrochemical reaction of H 2 + (1/2) O 2 → H 2 O can be obtained between the hydrogen electrode and the air electrode. In addition, as a result, generated water is generated on the air electrode side.
【０００６】そして、水素貯蔵装置内の水素の貯蔵量が
減少してくれば、水素充填源をもつ水素スタンドに立ち
寄り、外部より水素が充填され得る水素充填口に水素充
填源を連結する。こうして、水素貯蔵装置と水素充填口
とを接続する水素充填管を介し、水素貯蔵装置内に新た
に水素を充填することがなされる。When the amount of hydrogen stored in the hydrogen storage device decreases, the hydrogen filling source is connected to a hydrogen filling port where hydrogen can be filled from the outside by stopping at a hydrogen station having a hydrogen filling source. In this way, hydrogen is newly filled in the hydrogen storage device via the hydrogen filling pipe connecting the hydrogen storage device and the hydrogen filling port.
【０００７】[0007]
【発明が解決しようとする課題】しかし、上記従来の燃
料電池システムでは、そうして新たに水素を充填する
際、水素充填源との間に存在した空気等の異物が水素充
填口内に侵入してしまいやすい。こうして水素供給手段
に異物が侵入し、その異物が燃料電池システム内に存在
していると、その燃料電池システムは異常反応により安
定した発電効率を発揮できなくなるおそれがある。However, in the above-mentioned conventional fuel cell system, when the hydrogen is newly filled, foreign matter such as air existing between the hydrogen filling source and the hydrogen filling source enters the hydrogen filling port. It is easy to fall. In this way, if foreign matter enters the hydrogen supply means and the foreign matter exists in the fuel cell system, the fuel cell system may not be able to exhibit stable power generation efficiency due to an abnormal reaction.
【０００８】すなわち、発明者らが把握している事項と
して、空気が異物として燃料電池装置の水素ガス流路に
供給されてしまうと、水素極の電解質に触媒が担持され
ている場合、空気に含まれる酸素が水素極内で局部的な
電池を形成してしまい、空気極の電解質に担持されてい
る触媒を劣化させてしまい、安定した発電効率を発揮で
きなくなってしまう。また、空気が異物として水素貯蔵
装置内に供給されてしまうと、その水素貯蔵装置が水素
吸蔵合金を用いている場合、水素吸蔵合金が酸化され、
水素貯蔵装置の水素貯蔵能力が損なわれ、やはり安定し
た発電効率を発揮できなくなってしまう。That is, the inventors are aware that when air is supplied as foreign matter to the hydrogen gas flow path of the fuel cell device, when the catalyst of the electrolyte of the hydrogen electrode is carried on the air, Oxygen contained forms a local battery in the hydrogen electrode and deteriorates the catalyst supported on the electrolyte of the air electrode, so that stable power generation efficiency cannot be exhibited. Further, when air is supplied as a foreign substance into the hydrogen storage device, when the hydrogen storage device uses a hydrogen storage alloy, the hydrogen storage alloy is oxidized,
The hydrogen storage capacity of the hydrogen storage device is impaired, and stable power generation efficiency cannot be achieved.
【０００９】本発明は、上記従来の実情に鑑みてなされ
たものであって、安定した発電効率を発揮可能な燃料電
池システム及びその制御方法を提供することを解決すべ
き課題としている。The present invention has been made in view of the above conventional circumstances, and an object of the present invention is to provide a fuel cell system capable of exhibiting stable power generation efficiency and a control method thereof.
【００１０】[0010]
【課題を解決するための手段】本発明の燃料電池システ
ムは、大気中の空気が空気流路により供給される空気極
と、水素ガスが水素ガス流路により供給される水素極
と、該空気極及び該水素極に挟持された固体高分子膜型
の電解質層とを有し、該空気中の酸素と該水素ガスとの
電気化学反応により電力を生じる燃料電池装置と、水素
を貯蔵する水素貯蔵装置と、該水素貯蔵装置と該燃料電
池装置とを水素ガス給気路として接続し、該水素ガス流
路に該水素ガスを供給する水素供給管と、該水素貯蔵装
置と外部から水素を導入する水素充填口とを接続する水
素充填管とを有する水素供給手段と、を備えた燃料電池
システムにおいて、前記水素供給手段は、前記水素充填
口内から侵入する異物を排除する異物排除装置を有する
ことを特徴とする。The fuel cell system of the present invention comprises an air electrode to which air in the atmosphere is supplied by an air flow path, a hydrogen electrode to which hydrogen gas is supplied through a hydrogen gas flow path, and the air. A fuel cell device having a solid polymer membrane type electrolyte layer sandwiched between a cathode and the hydrogen electrode, and producing electric power by an electrochemical reaction between oxygen in the air and the hydrogen gas; and hydrogen for storing hydrogen A storage device, the hydrogen storage device and the fuel cell device are connected as a hydrogen gas supply passage, and a hydrogen supply pipe for supplying the hydrogen gas to the hydrogen gas flow passage, the hydrogen storage device, and hydrogen from the outside. In a fuel cell system comprising: a hydrogen supply means having a hydrogen filling pipe connected to a hydrogen filling opening to be introduced, the hydrogen supply means has a foreign matter removing device for eliminating foreign matter entering from the hydrogen filling opening. It is characterized by
【００１１】また、本発明の燃料電池システムの制御方
法は、上記燃料電池装置と、水素充填口内から侵入する
異物を排除する異物排除装置を有する上記水素供給手段
とを備えた燃料電池システムであって、外部の水素充填
源を水素充填口に連結する際、水素充填口内から水素充
填管に侵入する異物を異物排除装置により排除すること
を特徴とする。A control method for a fuel cell system according to the present invention is a fuel cell system comprising the above fuel cell device and the above hydrogen supply means having a foreign matter removing device for eliminating foreign matter entering from the hydrogen filling port. Then, when the external hydrogen filling source is connected to the hydrogen filling port, foreign substances that enter the hydrogen filling pipe from the inside of the hydrogen filling port are removed by the foreign substance removing device.
【００１２】本発明の燃料電池システム及び方法では、
外部の水素充填源を水素充填口に連結し、新たに水素を
充填する際、水素充填源との間に存在して水素充填口内
から侵入し得る空気等の異物を異物排除装置が排除す
る。このため、燃料電池システムは、異常反応を生じ
ず、安定した発電効率を発揮できる。In the fuel cell system and method of the present invention,
When the external hydrogen filling source is connected to the hydrogen filling port and new hydrogen is filled, foreign substances such as air that exist between the hydrogen filling source and the hydrogen filling source and can enter from the inside of the hydrogen filling port are eliminated by the foreign matter removing device. Therefore, the fuel cell system can exhibit stable power generation efficiency without causing an abnormal reaction.
【００１３】すなわち、異物が空気である場合、水素極
の電解質に触媒が担持されていても、空気に含まれる酸
素によって水素極内で局部的な電池が形成されることは
なく、空気極の電解質に担持されている触媒が劣化せ
ず、安定した発電効率を発揮できる。また、異物が空気
である場合、水素貯蔵装置が水素吸蔵合金を用いていて
も、その水素吸蔵合金は酸化されずに高い水素貯蔵能力
を維持し、やはり安定した発電効率を発揮できる。That is, when the foreign matter is air, even if a catalyst is supported on the electrolyte of the hydrogen electrode, oxygen contained in the air does not form a local battery in the hydrogen electrode, and The catalyst supported on the electrolyte does not deteriorate, and stable power generation efficiency can be exhibited. Further, when the foreign matter is air, even if the hydrogen storage device uses a hydrogen storage alloy, the hydrogen storage alloy is not oxidized and maintains a high hydrogen storage capacity, and also stable power generation efficiency can be exhibited.
【００１４】したがって、この燃料電池システム及び方
法によれば、安定した発電効率を発揮可能である。Therefore, according to this fuel cell system and method, stable power generation efficiency can be exhibited.
【００１５】水素供給手段の具体的な異物排除装置とし
ては、水素充填管を外部に開放する排出管と、この排出
管を開閉可能な異物排除用開閉弁とをもつことができ
る。水素充填管は水素供給管とは別に水素貯蔵装置に接
続され得る。この場合、水素充填管に排出管及び異物排
除用開閉弁が接続され得る。As a concrete foreign matter removing device of the hydrogen supply means, it is possible to have a discharge pipe for opening the hydrogen filling pipe to the outside, and a foreign matter removing opening / closing valve capable of opening and closing the discharge pipe. The hydrogen filling pipe may be connected to the hydrogen storage device separately from the hydrogen supply pipe. In this case, a discharge pipe and a foreign matter removing opening / closing valve may be connected to the hydrogen filling pipe.
【００１６】水素充填管は水素供給管の一部である共通
管を介して水素貯蔵装置に接続され、共通管には流路を
開閉可能な元締め用開閉弁が設けられていることが好ま
しい。水素充填管が共通管により水素貯蔵装置に接続さ
れておれば、配管が簡素化され、燃料電池システムの製
造コストの低廉化の効果がある。また、共通管に元締め
用開閉弁が設けられておれば、元締め用開閉弁を閉じる
ことにより、異物が水素貯蔵装置に侵入することを確実
に防止できるとともに、水素貯蔵装置の交換時に水素が
漏れることを防止できる。It is preferable that the hydrogen filling pipe is connected to the hydrogen storage device via a common pipe which is a part of the hydrogen supply pipe, and the common pipe is provided with a main closing opening / closing valve capable of opening / closing the flow path. If the hydrogen filling pipe is connected to the hydrogen storage device by a common pipe, the pipe is simplified and the manufacturing cost of the fuel cell system is reduced. Also, if the common pipe is provided with an original closing on-off valve, foreign matter can be reliably prevented from entering the hydrogen storage device by closing the original closing on-off valve, and hydrogen will leak when the hydrogen storage device is replaced. Can be prevented.
【００１７】また、本発明の燃料電池システムの制御方
法として、異物排除装置が排出管と異物排除用開閉弁と
をもち、水素充填管が共通管を介して水素貯蔵装置に接
続され、共通管に元締め用開閉弁が設けられている場
合、元締め用開閉弁を閉じる第１ステップと、元締め用
開閉弁が閉じられた状態で水素充填口と水素充填源との
連結を待つ第２ステップと、水素充填口と水素充填源と
が連結された場合、一定時間異物排除用開閉弁を開く第
３ステップと、一定時間経過後に異物排除用開閉弁を閉
じる第４ステップと、異物排除用開閉弁が閉じられた状
態で元締め用開閉弁を開ける第５ステップと、を備える
ことが好ましい。新たに水素を充填する際、かかる方法
により、空気等の異物を異物排除装置が確実に排除する
ことができる。As a control method of the fuel cell system of the present invention, the foreign matter removing device has a discharge pipe and a foreign matter removing on-off valve, and the hydrogen filling pipe is connected to the hydrogen storage device via the common pipe, If the opening / closing valve for main tightening is provided in the first step, a first step of closing the opening / closing valve for main tightening, and a second step of waiting for the connection between the hydrogen filling port and the hydrogen filling source in a state where the opening / closing valve for main closing is closed, When the hydrogen filling port and the hydrogen filling source are connected, the third step of opening the foreign matter removing on-off valve for a certain period of time, the fourth step of closing the foreign matter removing on-off valve after a certain period of time, and the foreign matter removing on-off valve are performed. And a fifth step of opening the opening / closing valve for main fastening in a closed state. When newly filling with hydrogen, such a method allows the foreign matter removing device to reliably remove foreign matter such as air.
【００１８】さらに、水素充填管が共通管を介して水素
貯蔵装置に接続され、共通管に元締め用開閉弁が設けら
れている場合、異物排除用開閉弁と元締め用開閉弁とは
共通化され得る。この場合、三方弁を用いることができ
る。こうであれば、部品点数が削減され、燃料電池シス
テムの製造コストの低廉化の効果がある。Further, when the hydrogen filling pipe is connected to the hydrogen storage device via the common pipe and the common pipe is provided with the original closing opening / closing valve, the foreign matter removing opening / closing valve and the original closing opening / closing valve are made common. obtain. In this case, a three-way valve can be used. In this case, the number of parts is reduced and the manufacturing cost of the fuel cell system is reduced.
【００１９】車両が燃料電池システムを搭載している場
合、その車両は頻繁に燃料となる水素の補給を行なう必
要がある。このため、本発明の燃料電池システム及びそ
の制御方法は車両に適用した場合に特に有効である。When the vehicle is equipped with a fuel cell system, the vehicle must frequently replenish hydrogen as fuel. Therefore, the fuel cell system and its control method of the present invention are particularly effective when applied to a vehicle.
【００２０】[0020]
【発明の実施の形態】以下、本発明を具体化した実施形
態を図面を参照しつつ説明する。BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings.
【００２１】図１に示すように、実施形態の燃料電池シ
ステム１は、電気自動車において、ＤＣ／ＤＣコンバー
タ２と接続され、ＤＣ／ＤＣコンバータ２はダイオード
３を介してインバータ４と接続され、インバータ４がそ
の電気自動車を駆動するモータ５と接続されている。ま
た、ダイオード３とインバータ４との間及びＤＣ／ＤＣ
コンバータ２とインバータ４との間には二次電池として
のバッテリ６が接続されている。そして、これら燃料電
池システム１、ＤＣ／ＤＣコンバータ２、インバータ４
及びバッテリ６は、ＣＰＵ、ＲＯＭ、ＲＡＭ及び入出力
ポートを備えた制御部７に電気的に接続されている。As shown in FIG. 1, the fuel cell system 1 of the embodiment is connected to a DC / DC converter 2 in an electric vehicle, the DC / DC converter 2 is connected to an inverter 4 via a diode 3, and the inverter 4 is connected to the inverter 4. 4 is connected to a motor 5 that drives the electric vehicle. In addition, between the diode 3 and the inverter 4 and DC / DC
A battery 6 as a secondary battery is connected between the converter 2 and the inverter 4. Then, these fuel cell system 1, DC / DC converter 2, and inverter 4
The battery 6 is electrically connected to the control unit 7 having a CPU, a ROM, a RAM, and an input / output port.
【００２２】燃料電池システム１は、図２に示すよう
に、燃料電池装置１０と、この燃料電池装置１０に接続
された水素供給手段３０と、燃料電池装置１０に接続さ
れた給水手段としての直噴ノズル５６と、水を貯溜する
水タンク５１と、水タンク５１から直噴ノズル５６に水
を供給する給水路としての給水管５２とを備えている。As shown in FIG. 2, the fuel cell system 1 includes a fuel cell device 10, a hydrogen supply means 30 connected to the fuel cell device 10, and a direct water supply means connected to the fuel cell device 10. The jet nozzle 56, a water tank 51 for storing water, and a water supply pipe 52 as a water supply passage for supplying water from the water tank 51 to the direct injection nozzle 56 are provided.
【００２３】燃料電池装置１０は、外郭を構成するハウ
ジング１１内に図３にその一部を示すスタック１２が収
納されたものである。スタック１２は複数個のセル１３
を隣り合うセパレータ１３ａを共通させて組み合わせた
ものである。各セル１３は、図４に示すように、対をな
すセパレータ１３ａ、１３ａと、各セパレータ１３ａ、
１３ａ間に設けられた空気極（カソード）１３ｂと、イ
オン交換樹脂からなる固体電解質膜型の電解質層１３ｃ
と、水素極（アノード）１３ｄとで構成されている。空
気極１３ｂの電解質及び水素極１３ｄの電解質には白金
等の触媒が担持されている。図３に示すように、スタッ
ク１２の両端に位置するセパレータ１３ａには、上下に
延びる複数本の空気流路１３ｅ又は水平に延びる複数本
の水素ガス流路１３ｆが形成され、他のセパレータ１３
ａには各空気流路１３ｅ及び各水素流路１３ｆが形成さ
れている。The fuel cell device 10 comprises a housing 11 forming an outer shell and a stack 12 shown in FIG. Stack 12 is a plurality of cells 13
Are combined with the adjacent separators 13a in common. As shown in FIG. 4, each cell 13 includes a pair of separators 13a, 13a and each separator 13a,
An air electrode (cathode) 13b provided between 13a and a solid electrolyte membrane type electrolyte layer 13c made of an ion exchange resin.
And a hydrogen electrode (anode) 13d. A catalyst such as platinum is carried on the electrolyte of the air electrode 13b and the electrolyte of the hydrogen electrode 13d. As shown in FIG. 3, a plurality of vertically extending air passages 13e or a plurality of horizontally extending hydrogen gas passages 13f are formed in the separators 13a located at both ends of the stack 12, and the other separators 13 are formed.
Air passages 13e and hydrogen passages 13f are formed in a.
【００２４】燃料電池装置１０のハウジング１１の上方
には、図２に示すように、全空気流路１３ｅの上端と連
通する給気マニホールド２１が固定されており、給気マ
ニホールド２１の上流側には、上流側から順にエアフィ
ルタ２２、給気ファン２３及びヒータ２４が接続されて
いる。また、燃料電池装置１０のハウジング１１の下方
には全空気流路１３ｅの下端と連通する排気マニホール
ド２５が固定されている。As shown in FIG. 2, an air supply manifold 21 communicating with the upper ends of all the air flow passages 13e is fixed above the housing 11 of the fuel cell device 10, and is provided on the upstream side of the air supply manifold 21. The air filter 22, the air supply fan 23, and the heater 24 are sequentially connected from the upstream side. Further, below the housing 11 of the fuel cell device 10, an exhaust manifold 25 that communicates with the lower ends of all the air flow paths 13e is fixed.
【００２５】また、排気マニホールド２５の下端では、
燃料電池装置１０より排出される排出ガスが水タンク５
１、水素供給手段３０の水素貯蔵装置３１及び凝縮器６
１に順次案内されるようになっている。At the lower end of the exhaust manifold 25,
The exhaust gas discharged from the fuel cell device 10 is the water tank 5.
1. Hydrogen storage device 31 of hydrogen supply means 30 and condenser 6
It is supposed to be sequentially guided to 1.
【００２６】水タンク５１には内部を給水路とする給水
管５２が接続されており、給水管５２は水フィルタ５
３、給水ポンプ５４及び開閉弁５５を介して複数個の直
噴ノズル５６に接続され、各直噴ノズル５６は給気マニ
ホールド２１に接続されている。また、給水管５２と水
フィルタ５３との間には大気開放管５７を介して大気開
放弁５８が接続されている。大気開放弁５８より下方に
大気開放管５７、水タンク５１、給水管５２、水フィル
タ５３、給水ポンプ５４、開閉弁５５及び直噴ノズル５
６が位置している。より詳細には、大気開放弁５８、大
気開放管５７、水フィルタ５３、給水ポンプ５４、開閉
弁５５、直噴ノズル５６が順次上方より位置している。A water supply pipe 52 having an internal water supply passage is connected to the water tank 51, and the water supply pipe 52 is connected to the water filter 5.
3, a plurality of direct injection nozzles 56 are connected via the water supply pump 54 and the opening / closing valve 55, and each direct injection nozzle 56 is connected to the air supply manifold 21. An atmosphere opening valve 58 is connected between the water supply pipe 52 and the water filter 53 via an atmosphere opening pipe 57. Below the atmosphere release valve 58, an atmosphere release pipe 57, a water tank 51, a water supply pipe 52, a water filter 53, a water supply pump 54, an on-off valve 55 and a direct injection nozzle 5.
6 is located. More specifically, the atmosphere opening valve 58, the atmosphere opening pipe 57, the water filter 53, the water supply pump 54, the opening / closing valve 55, and the direct injection nozzle 56 are sequentially located from above.
【００２７】他方、水タンク５１には内部を還水路とす
る還水管５９が接続されており、還水管５９は、還水ポ
ンプ６０を介して凝縮器６１の底部に接続されている。
凝縮器６１は、冷却ファン６１ａを有しており、この冷
却ファン６１ａにより排出ガスの冷却を行い、排出ガス
を空気と水とに分離するようになっている。こうして凝
縮器６１の底部に貯溜された水が還水ポンプ６０により
汲み上げられ、還水管５９を経て水タンク５１に還流さ
れるようになっている。また、凝縮器６１よりも下流側
にはエアフィルタ２７が設けられており、凝縮器６１に
より排出ガスから分離された空気はエアフィルタ２７を
介して大気に放出されるようになっている。エアフィル
タ２７は外部からの不純物が燃料電池システム内に侵入
することを防ぐ。還水管５９、還水ポンプ６０及び凝縮
器６１が補機５０である。On the other hand, the water tank 51 is connected to a return water pipe 59 having a return water passage inside, and the return water pipe 59 is connected to the bottom of a condenser 61 via a return water pump 60.
The condenser 61 has a cooling fan 61a, which cools the exhaust gas and separates the exhaust gas into air and water. The water stored at the bottom of the condenser 61 is pumped up by the return water pump 60 and returned to the water tank 51 via the return water pipe 59. Further, an air filter 27 is provided on the downstream side of the condenser 61, and the air separated from the exhaust gas by the condenser 61 is released to the atmosphere via the air filter 27. The air filter 27 prevents impurities from the outside from entering the fuel cell system. The return water pipe 59, the return water pump 60, and the condenser 61 are the auxiliary device 50.
【００２８】また、水タンク５１と凝縮器６１との間に
は水素供給手段３０の水素貯蔵装置３１が位置してい
る。水素貯蔵装置３１は外郭を構成するハウジング３２
内に水素吸蔵合金が充填されたものである。また、高圧
の水素タンクを水素貯蔵装置３１に用いることもでき
る。水素貯蔵装置３１のハウジング３２には内部を流路
とする共通管４１が接続され、共通管４１には流路を開
閉可能な元締め用開閉弁４２が設けられている。A hydrogen storage device 31 of the hydrogen supply means 30 is located between the water tank 51 and the condenser 61. The hydrogen storage device 31 includes a housing 32 that forms an outer shell.
The inside is filled with a hydrogen storage alloy. A high-pressure hydrogen tank can also be used for the hydrogen storage device 31. A common pipe 41 having a flow passage inside is connected to the housing 32 of the hydrogen storage device 31, and the common pipe 41 is provided with a main-closing on-off valve 42 capable of opening and closing the flow passage.
【００２９】共通管４１の元締め用開閉弁４２より下流
には、共通管４１の内部も含め、内部を水素ガス給気路
とする水素供給管３３が接続されている。水素供給管３
３は一次圧センサ３４、調圧弁３５、開閉弁３６及び二
次圧センサ３７を介して燃料電池装置１０のハウジング
１１の側方に接続され、図３に示すスタック１２の全水
素ガス流路１３ｆの入り口側に連通している。A hydrogen supply pipe 33 having a hydrogen gas supply passage inside, including the inside of the common pipe 41, is connected to the common pipe 41 at a position downstream of the original fastening opening / closing valve 42. Hydrogen supply pipe 3
3 is connected to the side of the housing 11 of the fuel cell device 10 via a primary pressure sensor 34, a pressure regulating valve 35, an opening / closing valve 36, and a secondary pressure sensor 37, and the total hydrogen gas passage 13f of the stack 12 shown in FIG. Communicates with the entrance side.
【００３０】また、図２に示すように、共通管４１の元
締め用開閉弁４２より下流には水素充填口４３に接続さ
れる水素充填管４４が接続されている。水素充填管４４
には排出管４５が接続され、排出管４５には異物排除用
開閉弁４６が設けられている。これら排出管４５、異物
排除用開閉弁４６、共通管４１及び元締め用開閉弁４２
が異物排除装置である。Further, as shown in FIG. 2, a hydrogen filling pipe 44 connected to a hydrogen filling port 43 is connected to the common pipe 41 at a position downstream of the original closing opening / closing valve 42. Hydrogen filling tube 44
A discharge pipe 45 is connected to the discharge pipe 45, and a foreign matter removing opening / closing valve 46 is provided in the discharge pipe 45. The discharge pipe 45, the foreign matter removing opening / closing valve 46, the common pipe 41, and the original fastening opening / closing valve 42.
Is a foreign matter elimination device.
【００３１】さらに、燃料電池装置１０のハウジング１
１の側方には、燃料電池装置１０の全水素ガス流路１３
ｆの出口側と連通する水素排気管３８が接続されてお
り、水素排気管３８には逆止弁３９を介して開閉弁４０
が設けられている。これら水素貯蔵装置３１、水素供給
管３３、調圧弁３５、開閉弁３６、水素排気管３８、逆
止弁３９及び開閉弁４０並びに異物排除装置が水素供給
手段３０である。Further, the housing 1 of the fuel cell device 10
1, a total hydrogen gas flow path 13 of the fuel cell device 10
A hydrogen exhaust pipe 38 communicating with the outlet side of f is connected to the hydrogen exhaust pipe 38, and an opening / closing valve 40 is connected to the hydrogen exhaust pipe 38 via a check valve 39.
Is provided. The hydrogen storage device 31, the hydrogen supply pipe 33, the pressure regulating valve 35, the opening / closing valve 36, the hydrogen exhaust pipe 38, the check valve 39 and the opening / closing valve 40, and the foreign matter removing device are the hydrogen supply means 30.
【００３２】また、エアフィルタ２２の上流側には外気
温を検出するための外気温センサ７０が設けられ、排気
マニホールド２５に近い位置には排出ガスの出口温度を
検出するための排出温度センサ７１が設けられている。
また、水タンク５１内には内部に貯溜している水の温度
を検出するための水温センサ７２と、その水の水位を検
出するための水位センサ７３とが設けられている。これ
ら外気温センサ７０、排出温度センサ７１、水温センサ
７２及び水位センサ７３の検出信号は、図１に示すよう
に、制御部７に入力されるようになっている。An outside air temperature sensor 70 for detecting the outside air temperature is provided on the upstream side of the air filter 22, and an exhaust temperature sensor 71 for detecting the outlet temperature of the exhaust gas is provided near the exhaust manifold 25. Is provided.
Further, in the water tank 51, a water temperature sensor 72 for detecting the temperature of water stored therein and a water level sensor 73 for detecting the water level of the water are provided. The detection signals of the outside air temperature sensor 70, the discharge temperature sensor 71, the water temperature sensor 72, and the water level sensor 73 are input to the control unit 7, as shown in FIG.
【００３３】上記開閉弁５５、大気開放弁５８、開閉弁
３６、開閉弁４０、元締め用開閉弁４２及び異物排除用
開閉弁４６は電磁弁で構成されている。また、これら開
閉弁５５、大気開放弁５８、開閉弁３６、開閉弁４０、
元締め用開閉弁４２及び異物排除用開閉弁４６並びに上
記給水ポンプ５４、還水ポンプ６０、一次圧センサ３
４、二次圧センサ３７、給気ファン２３、ヒータ２４及
び冷却ファン６１ａも制御部７に電気的に接続されてい
る。The opening / closing valve 55, the atmosphere opening valve 58, the opening / closing valve 36, the opening / closing valve 40, the original fastening opening / closing valve 42, and the foreign matter removing opening / closing valve 46 are electromagnetic valves. Further, the opening / closing valve 55, the atmosphere opening valve 58, the opening / closing valve 36, the opening / closing valve 40,
The original tightening on-off valve 42, the foreign matter removing on-off valve 46, the water supply pump 54, the return water pump 60, the primary pressure sensor 3
4, the secondary pressure sensor 37, the air supply fan 23, the heater 24, and the cooling fan 61a are also electrically connected to the control unit 7.
【００３４】上記のように構成された燃料電池システム
１では、制御部７の指令により、開閉弁５５、大気開放
弁５８、開閉弁３６、開閉弁４０、元締め用開閉弁４２
及び異物排除用開閉弁４６並びに上記給水ポンプ５４、
還水ポンプ６０、給気ファン２３及び冷却ファン６１ａ
が駆動される。特に、氷点下等、外気温が低温である環
境下においては、制御部７の指令によりヒータ２４が駆
動される。In the fuel cell system 1 configured as described above, the opening / closing valve 55, the atmosphere opening valve 58, the opening / closing valve 36, the opening / closing valve 40, and the original closing opening / closing valve 42 are instructed by the controller 7.
And a foreign matter elimination opening / closing valve 46 and the water supply pump 54,
Return water pump 60, air supply fan 23, and cooling fan 61a
Is driven. In particular, in an environment where the outside air temperature is low, such as below freezing, the heater 24 is driven by a command from the control unit 7.
【００３５】これにより、エアフィルタ２２、給気ファ
ン２３、ヒータ２４及び給気マニホールド２１を介して
燃料電池装置１０に大気中の空気が供給される。こうし
て、スタック１２の全空気流路１３ｅに空気が供給され
る。As a result, the air in the atmosphere is supplied to the fuel cell device 10 through the air filter 22, the air supply fan 23, the heater 24 and the air supply manifold 21. In this way, the air is supplied to the entire air flow path 13e of the stack 12.
【００３６】一方、水素貯蔵装置３１内の水素ガスが水
素供給管３３、調圧弁３５及び開閉弁３６を介して燃料
電池装置１０に供給される。こうして、スタック１２の
全水素ガス流路１３ｆに水素ガスが供給される。On the other hand, the hydrogen gas in the hydrogen storage device 31 is supplied to the fuel cell device 10 through the hydrogen supply pipe 33, the pressure regulating valve 35 and the opening / closing valve 36. In this way, the hydrogen gas is supplied to the total hydrogen gas flow path 13f of the stack 12.
【００３７】これにより、スタック１２の全水素極１３
ｄと全空気極１３ｂとの間において電気化学反応を生
じ、起電力が得られる。こうして得られた起電力はＤＣ
／ＤＣコンバータ２により昇圧又は減圧され、バッテリ
６及びインバータ４に印加される。これによりモータ５
が駆動され、電気自動車が走行可能となる。As a result, the total hydrogen electrode 13 of the stack 12 is
An electrochemical reaction occurs between d and the total air electrode 13b, and an electromotive force is obtained. The electromotive force thus obtained is DC
The voltage is increased or decreased by the / DC converter 2 and applied to the battery 6 and the inverter 4. This allows the motor 5
Is driven, and the electric vehicle can run.
【００３８】そして、水素貯蔵装置３１内の水素の貯蔵
量が減少してくれば、水素充填源をもつ水素スタンドに
立ち寄り、水素充填口４３に水素充填源を連結する。こ
の間、制御部７は、図５に示すフローチャートに従って
制御を行う。まず、第１ステップＳ１０において、元締
め用開閉弁４２を閉じる。この後、第２ステップＳ１１
において、元締め用開閉弁４２が閉じられた状態で、水
素充填口４３への水素充填源の連結を待つ。そして、第
３ステップＳ１２において、水素充填口４３へ水素充填
源が連結されれば、一定時間異物排除用開閉弁４６を開
く。この後、第４ステップＳ１３において、一定時間経
過後、異物排除用開閉弁４６を閉じる。そして、第５ス
テップＳ１４において、異物排除用開閉弁４６が閉じら
れた状態で、元締め用開閉弁４２を開ける。When the amount of hydrogen stored in the hydrogen storage device 31 decreases, the hydrogen filling source 43 is connected to the hydrogen filling port 43 by stopping at the hydrogen station having the hydrogen filling source. During this period, the control unit 7 controls according to the flowchart shown in FIG. First, in the first step S10, the original closing opening / closing valve 42 is closed. After this, the second step S11
In the state (1), with the original tightening on-off valve 42 closed, the connection of the hydrogen filling source to the hydrogen filling port 43 is awaited. Then, in the third step S12, if the hydrogen filling source is connected to the hydrogen filling port 43, the foreign matter removing opening / closing valve 46 is opened for a certain period of time. Thereafter, in a fourth step S13, the foreign matter removing opening / closing valve 46 is closed after a certain time has elapsed. Then, in the fifth step S14, the original fastening opening / closing valve 42 is opened with the foreign matter removing opening / closing valve 46 closed.
【００３９】こうして、水素貯蔵装置３１と水素充填口
４３とを接続する水素充填管４４を介し、水素貯蔵装置
３１内に新たに水素を充填することがなされる。この
際、空気等の異物を異物排除装置が確実に排除すること
ができる。このため、この燃料電池システム１は、異常
反応を生じず、安定した発電効率を発揮できる。Thus, the hydrogen storage device 31 is newly filled with hydrogen through the hydrogen filling pipe 44 connecting the hydrogen storage device 31 and the hydrogen filling port 43. At this time, the foreign matter removing device can reliably remove foreign matter such as air. Therefore, the fuel cell system 1 can exhibit stable power generation efficiency without causing an abnormal reaction.
【００４０】すなわち、燃料電池装置１０において、水
素極１３ｄの電解質に触媒が担持されていても、空気に
含まれる酸素によって水素極１３ｄ内で局部的な電池が
形成されることはなく、空気極１３ｂの電解質に担持さ
れている触媒が劣化せず、安定した発電効率を発揮でき
る。また、水素貯蔵装置３１の水素吸蔵合金は酸化され
ずに高い水素貯蔵能力を維持し、やはり安定した発電効
率を発揮できる。That is, in the fuel cell device 10, even if a catalyst is supported on the electrolyte of the hydrogen electrode 13d, a local battery is not formed in the hydrogen electrode 13d by oxygen contained in the air, and the air electrode is not formed. The catalyst supported on the electrolyte of 13b does not deteriorate, and stable power generation efficiency can be exhibited. Further, the hydrogen storage alloy of the hydrogen storage device 31 is not oxidized and maintains a high hydrogen storage capacity, so that stable power generation efficiency can be exhibited.
【００４１】したがって、この燃料電池システム１及び
方法によれば、安定した発電効率を発揮可能である。Therefore, according to the fuel cell system 1 and the method, stable power generation efficiency can be exhibited.
【００４２】また、この燃料電池システム１及び方法で
は、水素充填管４３が水素供給管３３の一部である共通
管４１を介して水素貯蔵装置３１に接続され、共通管３
１に元締め用開閉弁４２が設けられているため、配管が
簡素化され、製造コストの低廉化の効果がある。また、
共通管４１に元締め用開閉弁４２が設けられているた
め、元締め用開閉弁４２を閉じることにより、異物が水
素貯蔵装置３１に侵入することを確実に防止できるとと
もに、水素貯蔵装置３１の交換時に水素が漏れることを
防止できる。Further, in this fuel cell system 1 and method, the hydrogen filling pipe 43 is connected to the hydrogen storage device 31 via the common pipe 41 which is a part of the hydrogen supply pipe 33, and the common pipe 3
Since the opening / closing valve 42 for main tightening is provided in the first embodiment, there is an effect that the piping is simplified and the manufacturing cost is reduced. Also,
Since the common pipe 41 is provided with the original tightening on-off valve 42, by closing the original tightening on-off valve 42, it is possible to reliably prevent foreign matter from entering the hydrogen storage device 31, and at the time of replacement of the hydrogen storage device 31. It is possible to prevent hydrogen from leaking.
【００４３】なお、図６に示すように、水素供給管３３
とは別に水素貯蔵装置３１に接続される水素充填管４７
を設けることもできる。この場合、水素充填管４７に元
締め用開閉弁４２、排出管４５及び異物排除用開閉弁４
６を設けることが好ましい。As shown in FIG. 6, the hydrogen supply pipe 33
Separately from the hydrogen storage device 31, a hydrogen filling pipe 47 connected to
Can be provided. In this case, the hydrogen-filled pipe 47 is connected to the original tightening on-off valve 42, the discharge pipe 45, and the foreign matter removing on-off valve 4.
6 is preferably provided.
【００４４】また、図７に示すように、水素充填管４４
が共通管４１を介して水素貯蔵装置３１に接続されてい
る場合、共通管４１、水素充填管４４及び水素供給管３
３間に異物排除用開閉弁と元締め用開閉弁とを共通化す
る三方弁４８を設けることもできる。この場合、部品点
数が削減され、燃料電池システムの製造コストの低廉化
の効果がある。Further, as shown in FIG. 7, a hydrogen filling pipe 44
Is connected to the hydrogen storage device 31 via the common pipe 41, the common pipe 41, the hydrogen filling pipe 44 and the hydrogen supply pipe 3
It is also possible to provide a three-way valve 48 that commonizes the foreign matter removing on-off valve and the original tightening on-off valve between the three. In this case, the number of parts is reduced, and the manufacturing cost of the fuel cell system is reduced.
【図１】実施形態に係る電気自動車のブロック構成図で
ある。FIG. 1 is a block configuration diagram of an electric vehicle according to an embodiment.
【図２】実施形態に係る燃料電池システムの構成図であ
る。FIG. 2 is a configuration diagram of a fuel cell system according to an embodiment.
【図３】実施形態に係るスタックの一部斜視図である。FIG. 3 is a partial perspective view of a stack according to the embodiment.
【図４】実施形態に係るセルの断面図である。FIG. 4 is a cross-sectional view of a cell according to the embodiment.
【図５】実施形態に係る制御部のフローチャートであ
る。FIG. 5 is a flowchart of a control unit according to the embodiment.
【図６】変形形態に係る燃料電池システムの要部構成図
である。FIG. 6 is a configuration diagram of a main part of a fuel cell system according to a modification.
【図７】変形形態に係る燃料電池システムの要部構成図
である。FIG. 7 is a main part configuration diagram of a fuel cell system according to a modification.
１３ｅ…空気流路
１３ｂ…空気極
１３ｆ…水素ガス流路
１３ｄ…水素極
１３ｃ…電解質層
１０…燃料電池装置
３０…水素供給手段
３１…水素貯蔵装置、３３…水素供給管、４３…水素充
填口、４４…水素充填管、４５、４６、４１、４２…異
物排除装置（４５…排出管、４６…異物排除用開閉弁、
４１…共通管、４２…元締め用開閉弁）
１…燃料電池システム
７…制御部13e ... Air flow path 13b ... Air electrode 13f ... Hydrogen gas flow path 13d ... Hydrogen electrode 13c ... Electrolyte layer 10 ... Fuel cell device 30 ... Hydrogen supply means 31 ... Hydrogen storage device, 33 ... Hydrogen supply pipe, 43 ... Hydrogen filling port , 44 ... Hydrogen filling pipe, 45, 46, 41, 42 ... Foreign matter removing device (45 ... Discharge pipe, 46 ... Foreign matter removing open / close valve,
41 ... Common pipe, 42 ... Main closing opening / closing valve) 1 ... Fuel cell system 7 ... Control unit
Claims (7)
空気極と、水素ガスが水素ガス流路により供給される水
素極と、該空気極及び該水素極に挟持された固体高分子
膜型の電解質層とを有し、該空気中の酸素と該水素ガス
との電気化学反応により電力を生じる燃料電池装置と、 水素を貯蔵する水素貯蔵装置と、該水素貯蔵装置と該燃
料電池装置とを水素ガス給気路として接続し、該水素ガ
ス流路に該水素ガスを供給する水素供給管と、該水素貯
蔵装置と外部から水素を導入する水素充填口とを接続す
る水素充填管とを有する水素供給手段と、 を備えた燃料電池システムにおいて、 前記水素供給手段は、前記水素充填口内から侵入する異
物を排除する異物排除装置を有することを特徴とする燃
料電池システム。1. An air electrode to which air in the atmosphere is supplied through an air flow path, a hydrogen electrode to which hydrogen gas is supplied through a hydrogen gas flow path, a solid polymer sandwiched between the air electrode and the hydrogen electrode. A fuel cell device having a membrane-type electrolyte layer and producing electric power by an electrochemical reaction between oxygen in the air and the hydrogen gas, a hydrogen storage device for storing hydrogen, the hydrogen storage device and the fuel cell A hydrogen filling pipe that is connected to the device as a hydrogen gas supply passage and connects the hydrogen supply pipe that supplies the hydrogen gas to the hydrogen gas flow passage and the hydrogen storage device and a hydrogen filling port that introduces hydrogen from the outside. In the fuel cell system including: a hydrogen supply unit having: and a hydrogen supply unit, the hydrogen supply unit has a foreign matter removing device that removes foreign matter that enters from the hydrogen filling port.
する排出管と、該排出管を開閉可能な異物排除用開閉弁
とをもつことを特徴とする請求項１記載の燃料電池シス
テム。2. The fuel cell system according to claim 1, wherein the foreign matter removing device has a discharge pipe for opening the hydrogen filling pipe to the outside, and a foreign matter removing opening / closing valve capable of opening and closing the discharge pipe. .
管を介して水素貯蔵装置に接続され、該共通管には流路
を開閉可能な元締め用開閉弁が設けられていることを特
徴とする請求項２記載の燃料電池システム。3. The hydrogen filling pipe is connected to a hydrogen storage device via a common pipe which is a part of the hydrogen supply pipe, and the common pipe is provided with a main closing opening / closing valve capable of opening / closing a flow path. The fuel cell system according to claim 2, wherein
通化されていることを特徴とする請求項３記載の燃料電
池システム。4. The fuel cell system according to claim 3, wherein the foreign matter removing on-off valve and the original tightening on-off valve are commonly used.
空気極と、水素ガスが水素ガス流路により供給される水
素極と、該空気極及び該水素極に挟持された固体高分子
膜型の電解質層とを有し、該空気中の酸素と該水素ガス
との電気化学反応により電力を生じる燃料電池装置と、 水素を貯蔵する水素貯蔵装置と、該水素貯蔵装置と該燃
料電池装置とを水素ガス給気路として接続し、該水素ガ
ス流路に該水素ガスを供給する水素供給管と、該水素貯
蔵装置と外部から水素を導入する水素充填口とを接続す
る水素充填管と、該水素充填口内から侵入する異物を排
除する異物排除装置とを有する水素供給手段とを備えた
燃料電池システムであって、 外部の水素充填源を前記水素充填口に連結する際、該水
素充填口内から前記水素充填管に侵入する異物を前記異
物排除装置により排除することを特徴とする燃料電池シ
ステムの制御方法。5. An air electrode to which air in the atmosphere is supplied through an air flow path, a hydrogen electrode to which hydrogen gas is supplied through a hydrogen gas flow path, a solid polymer sandwiched between the air electrode and the hydrogen electrode. A fuel cell device having a membrane-type electrolyte layer and producing electric power by an electrochemical reaction between oxygen in the air and the hydrogen gas, a hydrogen storage device for storing hydrogen, the hydrogen storage device and the fuel cell A hydrogen filling pipe that is connected to the device as a hydrogen gas supply passage and connects the hydrogen supply pipe that supplies the hydrogen gas to the hydrogen gas flow passage and the hydrogen storage device and a hydrogen filling port that introduces hydrogen from the outside. And a hydrogen supply means having a foreign matter removing device for eliminating foreign matter that enters from the inside of the hydrogen filling port, wherein the hydrogen is supplied when an external hydrogen filling source is connected to the hydrogen filling port. Penetration into the hydrogen filling pipe from the filling port Control method for a fuel cell system, characterized in that to eliminate an object by the foreign object removing device.
する排出管と、該排出管を開閉可能な異物排除用開閉弁
とをもち、 該水素充填管は水素供給管の一部である共通管を介して
水素貯蔵装置に接続され、該共通管には流路を開閉可能
な元締め用開閉弁が設けられ、 該元締め用開閉弁を閉じる第１ステップと、 該元締め用開閉弁が閉じられた状態で水素充填口と水素
充填源との連結を待つ第２ステップと、 該水素充填口と該水素充填源とが連結された場合、一定
時間該異物排除用開閉弁を開く第３ステップと、 該一定時間経過後に該異物排除用開閉弁を閉じる第４ス
テップと、 該異物排除用開閉弁が閉じられた状態で該元締め用開閉
弁を開ける第５ステップと、 を備えることを特徴とする請求項５記載の燃料電池シス
テムの制御方法。6. The foreign matter removing device has a discharge pipe for opening the hydrogen filling pipe to the outside, and a foreign matter removing on-off valve capable of opening and closing the discharge pipe, the hydrogen filling pipe being a part of a hydrogen supply pipe. It is connected to a hydrogen storage device via a certain common pipe, and the common pipe is provided with an opening / closing valve for original closing capable of opening and closing a flow path. The first step of closing the opening / closing valve for original closing and the opening / closing valve for original closing are provided. The second step of waiting for the connection between the hydrogen filling port and the hydrogen filling source in a closed state, and the third step of opening the foreign matter eliminating opening / closing valve for a certain period of time when the hydrogen filling port and the hydrogen filling source are connected. And a fourth step of closing the foreign matter removing on-off valve after the lapse of the certain time, and a fifth step of opening the original tightening on-off valve with the foreign matter removing on-off valve closed. The method for controlling the fuel cell system according to claim 5.
通化されていることを特徴とする請求項６記載の燃料電
池システムの制御方法。7. The method of controlling a fuel cell system according to claim 6, wherein the foreign matter removing on-off valve and the original fastening on-off valve are commonly used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001224080A JP2003036870A (en) | 2001-07-25 | 2001-07-25 | Fuel cell system and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001224080A JP2003036870A (en) | 2001-07-25 | 2001-07-25 | Fuel cell system and control method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2003036870A true JP2003036870A (en) | 2003-02-07 |
Family
ID=19057308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001224080A Pending JP2003036870A (en) | 2001-07-25 | 2001-07-25 | Fuel cell system and control method thereof |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2003036870A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100412435C (en) * | 2004-03-17 | 2008-08-20 | 丰田自动车株式会社 | Fluid supply device and fuel cell system with the fluid supply device |
| US10894475B2 (en) | 2017-09-21 | 2021-01-19 | Toyota Jidosha Kabushiki Kaisha | Device equipped with tank |
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| US10894475B2 (en) | 2017-09-21 | 2021-01-19 | Toyota Jidosha Kabushiki Kaisha | Device equipped with tank |
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