JPH06260198A - Solid polymer electrolytic fuel cell system - Google Patents

Solid polymer electrolytic fuel cell system

Info

Publication number
JPH06260198A
JPH06260198A JP5046350A JP4635093A JPH06260198A JP H06260198 A JPH06260198 A JP H06260198A JP 5046350 A JP5046350 A JP 5046350A JP 4635093 A JP4635093 A JP 4635093A JP H06260198 A JPH06260198 A JP H06260198A
Authority
JP
Japan
Prior art keywords
fuel cell
fuel
solid polymer
oxidant
cell system
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
Application number
JP5046350A
Other languages
Japanese (ja)
Other versions
JP3510285B2 (en
Inventor
Katsuo Hashizaki
克雄 橋崎
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to JP04635093A priority Critical patent/JP3510285B2/en
Publication of JPH06260198A publication Critical patent/JPH06260198A/en
Application granted granted Critical
Publication of JP3510285B2 publication Critical patent/JP3510285B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
    • H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
    • H01M8/04119—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2300/00—Electrolytes
    • H01M2300/0017—Non-aqueous electrolytes
    • H01M2300/0065—Solid electrolytes
    • H01M2300/0082—Organic polymers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
    • H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
    • H01M8/04097—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with recycling of the reactants
    • 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)
  • 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)

Abstract

PURPOSE:To provide a small-sized solid polymer electrolytic fuel cell system having satisfactory energy efficiency. CONSTITUTION:A solid polymer electrolytic fuel cell system has an electrode jointed body formed by jointing an anode and a cathode on both faces of a solid polymer electrolyte respectively. Power generation is achieved by supplying fuel to the anode side and oxidizer to the cathode side of the electrode jointed body respectively. Steam ejectors (13) and (14) are provided on a fuel supplying line (22) and an oxidizer supplying line (26) respectively. Recycle lines (24), (28) are provided so as to return unused fuel and oxidizer discharged from a fuel cell body (1) upstream from the steam ejectors (13) and (14) in the supply lines (22) and (26) respectively.

Description

【発明の詳細な説明】Detailed Description of the Invention

【０００１】[0001]

【産業上の利用分野】本発明は固体高分子電解質燃料電
池システムに関する。FIELD OF THE INVENTION The present invention relates to a solid polymer electrolyte fuel cell system.

【０００２】[0002]

【従来の技術】固体高分子電解質燃料電池の原理を以下
に説明する。高分子イオン交換膜例えばスルホン酸基を
持つフッ素樹脂系イオン交換膜からなる電解質の両面
に、それぞれ例えば白金触媒からなるアノードおよびカ
ソードが設けられ、さらにこれらの両面に多孔質カーボ
ン電極が設けられ、電極接合体が構成される。多孔質カ
ーボン電極は外部回路に接続される。アノードには燃料
として例えば水素が加湿されて供給され、カソードには
酸化剤として例えば酸素が加湿されて供給される。アノ
ードに供給された水素は、アノード上で水素イオン化さ
れる。水素イオンは電解質中を水の介在のもとにＨ+ ・
ｘＨ2 Ｏとしてカソード側へ移動し、電子は外部回路を
通してカソード側へ移動する。移動した水素イオンは、
カソード上で、酸化剤中の酸素および外部回路を通過し
た電子と反応して水を生成する。生成した水は、カソー
ド側から燃料電池外へ排出される。このとき、外部回路
を通過する電子の流れを直流の電気エネルギーとして利
用できる。2. Description of the Related Art The principle of a solid polymer electrolyte fuel cell will be described below. A polymer ion exchange membrane, such as an electrolyte made of a fluororesin ion exchange membrane having a sulfonic acid group, is provided on both sides with an anode and a cathode made of, for example, a platinum catalyst, and a porous carbon electrode is provided on both sides thereof. An electrode assembly is constructed. The porous carbon electrode is connected to an external circuit. Hydrogen, for example, is humidified and supplied as a fuel to the anode, and oxygen, for example, is humidified and supplied as an oxidant to the cathode. The hydrogen supplied to the anode is hydrogen-ionized on the anode. Hydrogen ions are H + in the electrolyte due to the presence of water. ・
The electrons move to the cathode side as xH 2 O, and the electrons move to the cathode side through the external circuit. The transferred hydrogen ions are
On the cathode, it reacts with oxygen in the oxidant and electrons that have passed through the external circuit to produce water. The generated water is discharged outside the fuel cell from the cathode side. At this time, the flow of electrons passing through the external circuit can be used as DC electric energy.

【０００３】前述したように、高分子イオン交換膜から
なる電解質において、水素イオン透過性を実現するため
には、電解質を常に十分な保水状態に保持する必要があ
る。このため、通常、燃料および／または酸化剤に電池
の運転温度（常温〜１００℃程度）近辺相当の飽和水蒸
気を含ませて加湿し、燃料および酸化剤を電極接合体に
供給している。As described above, in order to realize hydrogen ion permeability in an electrolyte composed of a polymer ion exchange membrane, it is necessary to always keep the electrolyte in a sufficiently water-retentive state. For this reason, usually, the fuel and / or the oxidizer are saturated with saturated steam corresponding to the operating temperature of the battery (normal temperature to about 100 ° C.) to be humidified, and the fuel and the oxidizer are supplied to the electrode assembly.

【０００４】図２に、従来の固体高分子電解質燃料電池
システムの一例を示す。燃料電池本体１内には前記のよ
うな電極接合体が収容され、所定の部材により酸化剤、
燃料および冷却水の流路がそれぞれ形成されている。燃
料電池本体１の外部には、酸化剤の加湿器２および燃料
の加湿器３が設けられている。これらの加湿器２、３に
は純水６が満たされ、それぞれヒータ４、５により所定
の温度に加熱される。FIG. 2 shows an example of a conventional solid polymer electrolyte fuel cell system. The above-mentioned electrode assembly is housed in the fuel cell main body 1, and an oxidizer,
Flow paths for fuel and cooling water are formed respectively. An oxidizer humidifier 2 and a fuel humidifier 3 are provided outside the fuel cell body 1. The humidifiers 2 and 3 are filled with pure water 6 and heated to predetermined temperatures by the heaters 4 and 5, respectively.

【０００５】酸化剤は加湿器２中の純水６を通過し、飽
和蒸気圧相当の湿分を含んだ状態で燃料電池本体１に送
気される。同様に、燃料は加湿器３中の純水６を通過
し、飽和蒸気圧相当の湿分を含んだ状態で燃料電池本体
１に送気される。燃料電池本体１内で使用されなかった
残存酸化剤は残存加湿水蒸気および電池反応生成水とと
もに燃料電池本体１外部へ排出される。燃料電池本体１
内で使用されなかった残存燃料は残存加湿水蒸気ととも
に燃料電池本体１外部へ排出される。また、燃料電池本
体１は、冷却水７により冷却される。The oxidant passes through the pure water 6 in the humidifier 2 and is sent to the fuel cell main body 1 in a state where it contains moisture equivalent to the saturated vapor pressure. Similarly, the fuel passes through the pure water 6 in the humidifier 3 and is sent to the fuel cell main body 1 in a state where the fuel contains the moisture equivalent to the saturated vapor pressure. The residual oxidant not used in the fuel cell body 1 is discharged to the outside of the fuel cell body 1 together with the residual humidified water vapor and the water produced by the cell reaction. Fuel cell body 1
The residual fuel not used therein is discharged to the outside of the fuel cell body 1 together with the residual humidified steam. Further, the fuel cell body 1 is cooled by the cooling water 7.

【０００６】なお、燃料電池本体１から排出される未利
用の燃料および酸化剤は、ポンプなどによりそれぞれの
供給ラインの加湿器２，３より上流側へ戻され、リサイ
クル使用される場合もある。Unused fuel and oxidant discharged from the fuel cell main body 1 may be returned to the upstream side of the humidifiers 2 and 3 of the respective supply lines by a pump or the like and recycled.

【０００７】[0007]

【発明が解決しようとする課題】図２に示した従来の固
体高分子電解質燃料電池システムでは、燃料電池本体の
外部に純水を貯溜した燃料用および酸化剤用の加湿器を
設けているため、システム全体が大きくなる。また、加
湿器及び貯溜純水の温度を維持するために、外部からヒ
ータに電気エネルギーを供給する必要があるため、エネ
ルギー効率が悪い。さらに、未利用の燃料および酸化剤
をリサイクル利用しようとすると、別にポンプなどの機
器が必要となり、システムの系統が複雑になる。本発明
の目的は、システム全体の大きさが小さく、しかもエネ
ルギー効率の良好な固体高分子電解質燃料電池システム
を提供することにある。In the conventional solid polymer electrolyte fuel cell system shown in FIG. 2, a humidifier for fuel and oxidant, which stores pure water, is provided outside the fuel cell body. , The whole system gets bigger. Further, in order to maintain the temperature of the humidifier and the stored pure water, it is necessary to supply electric energy to the heater from the outside, resulting in poor energy efficiency. Furthermore, if an attempt is made to recycle unused fuel and oxidizer, a device such as a pump is additionally required, and the system system becomes complicated. An object of the present invention is to provide a solid polymer electrolyte fuel cell system having a small size as a whole and good energy efficiency.

【０００８】[0008]

【課題を解決するための手段】本発明の固体高分子電解
質燃料電池システムは、固体高分子電解質の両面にそれ
ぞれアノードおよびカソードを接合した電極接合体を有
し、電極接合体のアノード側に燃料を、カソード側に酸
化剤をそれぞれ供給して発電を行う固体高分子電解質燃
料電池システムにおいて、燃料供給ラインおよび酸化剤
供給ラインのうち少なくとも一方に蒸気エゼクタを設け
るとともに、燃料電池本体から排出される未利用のガス
をそのガスの供給ラインにおける前記蒸気エゼクタより
も上流側へ戻すリサイクルラインを設けたことを特徴と
するものである。A solid polymer electrolyte fuel cell system of the present invention has an electrode assembly in which an anode and a cathode are bonded to both sides of a solid polymer electrolyte, and a fuel is provided on the anode side of the electrode assembly. In a solid polymer electrolyte fuel cell system that supplies an oxidant to the cathode side to generate electricity, at least one of a fuel supply line and an oxidant supply line is provided with a vapor ejector and is discharged from the fuel cell body. A recycling line for returning the unused gas to the upstream side of the steam ejector in the supply line of the gas is provided.

【０００９】[0009]

【作用】本発明においては、燃料供給ラインおよび酸化
剤供給ラインのうち少なくとも一方に蒸気エゼクタを設
けており、燃料および／または酸化剤は蒸気エゼクタの
吸引作用により所定量吸引され、加湿および予熱された
状態で燃料電池本体へ供給される。また、燃料電池本体
の排出側から供給ラインの蒸気エゼクタよりも上流側へ
戻すリサイクルラインを設けているので、未利用のガス
を蒸気エゼクタの吸引作用により吸引してリサイクル利
用することができる。In the present invention, the steam ejector is provided in at least one of the fuel supply line and the oxidant supply line, and the fuel and / or the oxidant is sucked by a predetermined amount by the suction action of the steam ejector, and is humidified and preheated. Is supplied to the fuel cell main body in a closed state. Further, since the recycling line for returning from the discharge side of the fuel cell main body to the upstream side of the steam ejector of the supply line is provided, unused gas can be sucked by the suction action of the steam ejector and recycled.

【００１０】したがって、従来のように燃料電池本体の
外部に燃料用および酸化剤用の加湿器を設ける必要がな
く、システム全体の大きさをコンパクトにできる。ま
た、未利用の燃料および酸化剤をリサイクル利用するた
めに、ポンプなどの特別の機器を用いる必要がない。Therefore, unlike the conventional case, it is not necessary to provide a humidifier for fuel and oxidizer outside the fuel cell body, and the size of the entire system can be made compact. In addition, it is not necessary to use a special device such as a pump in order to recycle the unused fuel and oxidant.

【００１１】[0011]

【実施例】以下、本発明の実施例を図面を参照して説明
する。Embodiments of the present invention will be described below with reference to the drawings.

【００１２】図１は本発明の固体高分子電解質燃料電池
システムの構成図である。図１において、燃料電池本体
１内には電極接合体が収容され、所定の部材により酸化
剤、燃料および冷却水の流路がそれぞれ形成されてい
る。燃料電池本体１は、冷却水７により冷却される。ボ
ンベ、改質器などの燃料供給装置２１からの燃料供給ラ
イン２２は、蒸気エゼクタ１３およびドレンセパレータ
１５を介して燃料電池本体１の燃料供給側に接続されて
いる。ボンベなどの酸化剤供給装置２５からの酸化剤供
給ライン２６は、蒸気エゼクタ１４およびドレンセパレ
ータ１６を介して燃料電池本体１の酸化剤供給側に接続
されている。蒸気発生装置１１からの蒸気供給ライン１
２は、蒸気エゼクタ１３，１４にそれぞれ接続されてい
る。なお、蒸気発生装置１１は独立に設けてもよいが、
燃料供給装置２１の一部として併設されたものでもよ
い。FIG. 1 is a block diagram of the solid polymer electrolyte fuel cell system of the present invention. In FIG. 1, an electrode assembly is housed in the fuel cell main body 1, and oxidizer, fuel, and cooling water flow paths are formed by predetermined members. The fuel cell body 1 is cooled by the cooling water 7. A fuel supply line 22 from a fuel supply device 21 such as a cylinder or a reformer is connected to the fuel supply side of the fuel cell body 1 via a steam ejector 13 and a drain separator 15. An oxidant supply line 26 from an oxidant supply device 25 such as a cylinder is connected to the oxidant supply side of the fuel cell body 1 via the vapor ejector 14 and the drain separator 16. Steam supply line 1 from the steam generator 11
2 are connected to the steam ejectors 13 and 14, respectively. The steam generator 11 may be provided independently,
It may be provided as a part of the fuel supply device 21.

【００１３】また、燃料電池本体１の燃料排出側には、
ドレンセパレータ２３を備えた燃料リサイクルライン２
４が接続されており、この燃料リサイクルライン２４は
燃料供給ライン２２の蒸気エゼクタ１３より上流側に接
続されている。同様に、燃料電池本体１の酸化剤排出側
には、ドレンセパレータ２７を備えた酸化剤リサイクル
ライン２８が接続されており、この酸化剤リサイクルラ
イン２８は酸化剤供給ライン２６の蒸気エゼクタ１４よ
り上流側に接続されている。On the fuel discharge side of the fuel cell body 1,
Fuel recycling line 2 with drain separator 23
4 are connected, and the fuel recycling line 24 is connected to the fuel supply line 22 upstream of the steam ejector 13. Similarly, an oxidant recycle line 28 having a drain separator 27 is connected to the oxidant discharge side of the fuel cell body 1, and the oxidant recycle line 28 is upstream of the vapor ejector 14 of the oxidant supply line 26. Connected to the side.

【００１４】この燃料電池システムの動作を説明する。
蒸気発生装置１１で発生した蒸気が蒸気供給ライン１２
を通して蒸気エゼクタ１３に導入されると、そのエゼク
タ作用によって生じる吸引力により、燃料供給ライン２
２から燃料が吸引される。燃料は加湿および予熱され、
ドレンセパレータ１５で余分な湿分が分離された後、燃
料電池本体１へ供給される。燃料は燃料電池本体１内で
電池反応に用いられる。電池反応に利用されなかった残
燃料は、蒸気エゼクタ１３のエゼクタ作用によって生じ
る吸引力により、燃料リサイクルライン２４を通して燃
料供給ライン２２の蒸気エゼクタ１３より上流側に戻さ
れ、リサイクル利用される。同様に、蒸気発生装置１１
で発生した蒸気が蒸気供給ライン１２を通して蒸気エゼ
クタ１４に導入されると、そのエゼクタ作用によって生
じる吸引力により、酸化剤供給ライン２６から燃料が吸
引される。酸化剤は加湿および予熱され、ドレンセパレ
ータ１６で余分な湿分が分離された後、燃料電池本体１
へ供給される。酸化剤は燃料電池本体１内で電池反応に
用いられる。電池反応に利用されなかった残酸化剤は、
蒸気エゼクタ１４のエゼクタ作用によって生じる吸引力
により、酸化剤リサイクルライン２８を通して酸化剤供
給ライン２６の蒸気エゼクタ１４より上流側に戻され、
リサイクル利用される。The operation of this fuel cell system will be described.
The steam generated in the steam generator 11 is the steam supply line 12
When it is introduced into the vapor ejector 13 through the fuel supply line 2 due to the suction force generated by the ejector action.
Fuel is sucked from 2. The fuel is humidified and preheated,
After the excess moisture is separated by the drain separator 15, it is supplied to the fuel cell main body 1. The fuel is used in the cell reaction in the fuel cell body 1. The residual fuel that has not been used in the cell reaction is returned to the upstream side of the steam ejector 13 in the fuel supply line 22 through the fuel recycling line 24 by the suction force generated by the ejector action of the steam ejector 13 and is recycled. Similarly, the steam generator 11
When the steam generated in 1 is introduced into the steam ejector 14 through the steam supply line 12, the suction force generated by the ejector action sucks the fuel from the oxidant supply line 26. The oxidant is humidified and preheated, and after excess moisture is separated by the drain separator 16, the fuel cell body 1
Is supplied to. The oxidant is used for cell reaction in the fuel cell body 1. The residual oxidant that was not used in the battery reaction was
Due to the suction force generated by the ejector action of the steam ejector 14, it is returned to the upstream side of the steam ejector 14 of the oxidant supply line 26 through the oxidant recycle line 28,
Used for recycling.

【００１５】このような構成の燃料電池システムでは、
燃料供給ライン２２および酸化剤供給ライン２６にそれ
ぞれ蒸気エゼクタ１３，１４を設けており、燃料および
酸化剤は蒸気エゼクタ１３，１４の吸引作用により所定
量吸引され、加湿および予熱された状態で燃料電池本体
１へ供給される。また、燃料電池本体１の各排出側から
各供給ライン２２，２６の蒸気エゼクタ１３，１４より
も上流側へ戻すリサイクルライン２４，２８を設けてい
るので、未利用のガスを蒸気エゼクタの吸引作用により
吸引してリサイクル利用することができる。In the fuel cell system having such a structure,
The fuel supply line 22 and the oxidant supply line 26 are provided with steam ejectors 13 and 14, respectively. The fuel and the oxidant are sucked by a predetermined amount by the suction action of the steam ejectors 13 and 14, and the fuel cell is humidified and preheated. It is supplied to the main body 1. Further, since the recycle lines 24, 28 for returning the respective exhaust lines of the fuel cell main body 1 to the upstream side of the vapor ejectors 13, 14 of the respective supply lines 22, 26 are provided, the unused gas is sucked by the vapor ejectors. It can be sucked in and recycled.

【００１６】したがって、従来のように燃料電池本体の
外部に燃料用および酸化剤用の加湿器を設ける必要がな
く、システム全体の大きさをコンパクトにできる。ま
た、未利用の燃料および酸化剤をリサイクル利用するた
めに、ポンプなどの特別の機器を用いる必要がない。Therefore, it is not necessary to provide a humidifier for fuel and oxidizer outside the fuel cell body as in the conventional case, and the size of the entire system can be made compact. In addition, it is not necessary to use a special device such as a pump in order to recycle the unused fuel and oxidant.

【００１７】[0017]

【発明の効果】以上詳述したように本発明によれば、全
体の大きさが小さく、しかもエネルギー効率の良好な固
体高分子電解質燃料電池システムを提供できる。As described above in detail, according to the present invention, it is possible to provide a solid polymer electrolyte fuel cell system having a small overall size and good energy efficiency.

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

【図１】本発明の実施例における固体高分子電解質燃料
電池システムの構成図。FIG. 1 is a configuration diagram of a solid polymer electrolyte fuel cell system in an example of the present invention.

【図２】従来の固体高分子電解質燃料電池システムの構
成図。FIG. 2 is a configuration diagram of a conventional solid polymer electrolyte fuel cell system.

【符号の説明】[Explanation of symbols]

１…燃料電池本体、２、３…加湿器、４、５…ヒータ、
６…純水、７…冷却水、１１…蒸気発生装置、１２…蒸
気供給ライン、１３，１４…蒸気エゼクタ、１５，１６
…ドレンセパレータ、２１…燃料供給装置、２２…燃料
供給ライン、２３…ドレンセパレータ、２４…燃料リサ
イクルライン、２５…酸化剤供給装置、２６…酸化剤供
給ライン、２７…ドレンセパレータ、２８…酸化剤リサ
イクルライン。1 ... Fuel cell main body 2, 3 ... Humidifier 4, 5 ... Heater,
6 ... Pure water, 7 ... Cooling water, 11 ... Steam generator, 12 ... Steam supply line, 13, 14 ... Steam ejector, 15, 16
... Drain separator, 21 ... Fuel supply device, 22 ... Fuel supply line, 23 ... Drain separator, 24 ... Fuel recycling line, 25 ... Oxidizing agent supply device, 26 ... Oxidizing agent supply line, 27 ... Drain separator, 28 ... Oxidizing agent Recycling line.

Claims (1)

【特許請求の範囲】[Claims] 【請求項１】 固体高分子電解質の両面にそれぞれアノ
ードおよびカソードを接合した電極接合体を有し、電極
接合体のアノード側に燃料を、カソード側に酸化剤をそ
れぞれ供給して発電を行う固体高分子電解質燃料電池シ
ステムにおいて、燃料供給ラインおよび酸化剤供給ライ
ンのうち少なくとも一方に蒸気エゼクタを設けるととも
に、燃料電池本体から排出される未利用のガスをそのガ
スの供給ラインにおける前記蒸気エゼクタよりも上流側
へ戻すリサイクルラインを設けたことを特徴とする固体
高分子電解質燃料電池システム。1. A solid that has an electrode assembly in which an anode and a cathode are bonded to both sides of a solid polymer electrolyte, and that supplies fuel to the anode side of the electrode assembly and supplies an oxidant to the cathode side to generate electricity. In the polymer electrolyte fuel cell system, a vapor ejector is provided in at least one of the fuel supply line and the oxidant supply line, and the unused gas discharged from the fuel cell main body is discharged more than the vapor ejector in the gas supply line. A solid polymer electrolyte fuel cell system comprising a recycling line for returning to the upstream side.
JP04635093A 1993-03-08 1993-03-08 Solid polymer electrolyte fuel cell system Expired - Lifetime JP3510285B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP04635093A JP3510285B2 (en) 1993-03-08 1993-03-08 Solid polymer electrolyte fuel cell system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP04635093A JP3510285B2 (en) 1993-03-08 1993-03-08 Solid polymer electrolyte fuel cell system

Publications (2)

Publication Number Publication Date
JPH06260198A true JPH06260198A (en) 1994-09-16
JP3510285B2 JP3510285B2 (en) 2004-03-22

Family

ID=12744703

Family Applications (1)

Application Number Title Priority Date Filing Date
JP04635093A Expired - Lifetime JP3510285B2 (en) 1993-03-08 1993-03-08 Solid polymer electrolyte fuel cell system

Country Status (1)

Country Link
JP (1) JP3510285B2 (en)

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996020508A1 (en) * 1994-12-23 1996-07-04 Ballard Power Systems Inc. Electrochemical fuel cell system with a regulated vacuum ejector for recirculation of the fluid fuel stream
JPH09147897A (en) * 1995-11-17 1997-06-06 Mitsubishi Heavy Ind Ltd Solid high polymer fuel cell
JPH11162488A (en) * 1997-11-25 1999-06-18 Ishikawajima Harima Heavy Ind Co Ltd Fuel cell power generating system injecting steam into cathode
JPH11162490A (en) * 1997-11-25 1999-06-18 Toshiba Corp Solid polymer electrolyte fuel cell system
JPH11260386A (en) * 1998-03-12 1999-09-24 Toshiba Corp Fuel cell power generating plant and its operation control method
EP1025602A1 (en) * 1997-07-25 2000-08-09 Emprise Corporation Fuel cell gas management system
JP2002216816A (en) * 2001-01-23 2002-08-02 Honda Motor Co Ltd Fuel cell system
JP2002231294A (en) * 2001-01-29 2002-08-16 Nissan Motor Co Ltd Fuel cell device
JP2002246059A (en) * 2001-02-14 2002-08-30 Nissan Motor Co Ltd Fuel cell system
JP2003223908A (en) * 2002-01-29 2003-08-08 Nissan Motor Co Ltd Fuel cell system
JP2004518265A (en) * 2001-01-31 2004-06-17 マルティン フィースマン Fuel cell with built-in humidifier and method for humidifying fuel cell process gas
JP2005019221A (en) * 2003-06-26 2005-01-20 Honda Motor Co Ltd Fuel cell system
WO2005083826A1 (en) * 2004-03-02 2005-09-09 Toyota Jidosha Kabushiki Kaisha Fuel cell system
EP2017915A1 (en) * 2007-07-09 2009-01-21 Electro Power Systems S.p.A. Self-humidifying PEM-fuel-cell-based back-up electric generator
JP2013243260A (en) * 2012-05-21 2013-12-05 Kyocera Corp Capacitor
JP2018106969A (en) * 2016-12-27 2018-07-05 株式会社デンソー Fuel cell system

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04337255A (en) * 1991-05-14 1992-11-25 Mitsubishi Heavy Ind Ltd Fuel cell system
JPH0554900A (en) * 1991-08-29 1993-03-05 Fuji Electric Co Ltd Solid high polymer electrolyte type fuel cell

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04337255A (en) * 1991-05-14 1992-11-25 Mitsubishi Heavy Ind Ltd Fuel cell system
JPH0554900A (en) * 1991-08-29 1993-03-05 Fuji Electric Co Ltd Solid high polymer electrolyte type fuel cell

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996020508A1 (en) * 1994-12-23 1996-07-04 Ballard Power Systems Inc. Electrochemical fuel cell system with a regulated vacuum ejector for recirculation of the fluid fuel stream
JPH09147897A (en) * 1995-11-17 1997-06-06 Mitsubishi Heavy Ind Ltd Solid high polymer fuel cell
EP1025602A1 (en) * 1997-07-25 2000-08-09 Emprise Corporation Fuel cell gas management system
EP1025602A4 (en) * 1997-07-25 2009-11-25 Emprise Corp Fuel cell gas management system
JPH11162488A (en) * 1997-11-25 1999-06-18 Ishikawajima Harima Heavy Ind Co Ltd Fuel cell power generating system injecting steam into cathode
JPH11162490A (en) * 1997-11-25 1999-06-18 Toshiba Corp Solid polymer electrolyte fuel cell system
JPH11260386A (en) * 1998-03-12 1999-09-24 Toshiba Corp Fuel cell power generating plant and its operation control method
JP2002216816A (en) * 2001-01-23 2002-08-02 Honda Motor Co Ltd Fuel cell system
JP2002231294A (en) * 2001-01-29 2002-08-16 Nissan Motor Co Ltd Fuel cell device
JP2004518265A (en) * 2001-01-31 2004-06-17 マルティン フィースマン Fuel cell with built-in humidifier and method for humidifying fuel cell process gas
JP2002246059A (en) * 2001-02-14 2002-08-30 Nissan Motor Co Ltd Fuel cell system
JP2003223908A (en) * 2002-01-29 2003-08-08 Nissan Motor Co Ltd Fuel cell system
JP2005019221A (en) * 2003-06-26 2005-01-20 Honda Motor Co Ltd Fuel cell system
WO2005083826A1 (en) * 2004-03-02 2005-09-09 Toyota Jidosha Kabushiki Kaisha Fuel cell system
US7718294B2 (en) 2004-03-02 2010-05-18 Toyota Jidosha Kabushiki Kaisha Fuel cell system
EP2017915A1 (en) * 2007-07-09 2009-01-21 Electro Power Systems S.p.A. Self-humidifying PEM-fuel-cell-based back-up electric generator
JP2013243260A (en) * 2012-05-21 2013-12-05 Kyocera Corp Capacitor
JP2018106969A (en) * 2016-12-27 2018-07-05 株式会社デンソー Fuel cell system

Also Published As

Publication number Publication date
JP3510285B2 (en) 2004-03-22

Similar Documents

Publication Publication Date Title
JP3553210B2 (en) Fuel cell system for mobile vehicles equipped with fuel cells
JP4448391B2 (en) Fuel cell system
JP3111697B2 (en) Solid polymer electrolyte fuel cell
JP3554092B2 (en) Fuel cell fuel gas supply method
US6045934A (en) Solid polymer electrolyte fuel cell
JP4243592B2 (en) Fuel cell system
JP3510285B2 (en) Solid polymer electrolyte fuel cell system
US7514170B2 (en) Fuel cell system
JPH06338338A (en) Humidification of high polymer ion exchange film of fuel cell
JP3739826B2 (en) Polymer electrolyte fuel cell system
JP3141619B2 (en) Solid polymer electrolyte fuel cell power generator
JP3605167B2 (en) Polymer electrolyte fuel cell system
JPH11214022A (en) Fuel cell power generating device
KR20030073679A (en) Cooling water recycling system for fuel cell
KR100536201B1 (en) Cooling apparatus for stack and fuel cell system having thereof
JPH0594832A (en) Solid high molecular electrolyte type fuel cell
US7811718B2 (en) Fuel cell
JPH06260202A (en) Solid polyelectrolyte fuel cell power generating system
JP2718239B2 (en) Solid polymer electrolyte fuel cell power generator
JPH06338332A (en) Gas separator for solid high molecular electrolytic fuel cell
JP3831836B2 (en) Solid polymer fuel cell power generator
JP3337258B2 (en) Solid polymer electrolyte fuel cell system
JPH05275101A (en) Solid polyelectrolytic type fuel cell system
JPH09147896A (en) Solid high polymer fuel cell system
JP2001325974A (en) Fuel cell power generation system

Legal Events

Date Code Title Description
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20031202

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20031225

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20080109

Year of fee payment: 4

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20090109

Year of fee payment: 5

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20100109

Year of fee payment: 6

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110109

Year of fee payment: 7

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110109

Year of fee payment: 7

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120109

Year of fee payment: 8

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130109

Year of fee payment: 9

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20140109

Year of fee payment: 10

EXPY Cancellation because of completion of term