JP2005332592A - Liquid fuel storing container for fuel cell and fuel cell system - Google Patents

Liquid fuel storing container for fuel cell and fuel cell system Download PDF

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JP2005332592A
JP2005332592A JP2004147317A JP2004147317A JP2005332592A JP 2005332592 A JP2005332592 A JP 2005332592A JP 2004147317 A JP2004147317 A JP 2004147317A JP 2004147317 A JP2004147317 A JP 2004147317A JP 2005332592 A JP2005332592 A JP 2005332592A
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fuel
liquid fuel
fuel cell
supply pipe
storage container
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JP5008252B2 (en
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Yukihiro Iwata
進裕 岩田
Katsu Nakao
克 中尾
Yasuo Yokota
康夫 横田
Makoto Iyoda
真 伊豫田
Toshiaki Takasu
敏彰 高須
Hiroto Inoue
裕人 井ノ上
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Panasonic Holdings Corp
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Matsushita Electric Industrial Co Ltd
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Priority to JP2004147317A priority Critical patent/JP5008252B2/en
Priority to US10/572,497 priority patent/US20070125360A1/en
Priority to CNB2005800015612A priority patent/CN100423343C/en
Priority to PCT/JP2005/007691 priority patent/WO2005112169A1/en
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    • 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
    • H01M8/04201—Reactant storage and supply, e.g. means for feeding, pipes
    • H01M8/04208—Cartridges, cryogenic media or cryogenic reservoirs
    • 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
    • H01M8/04186—Arrangements for control of reactant parameters, e.g. pressure or concentration of liquid-charged or electrolyte-charged 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
    • H01M8/04—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
    • H01M8/04201—Reactant storage and supply, e.g. means for feeding, pipes
    • 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

Abstract

<P>PROBLEM TO BE SOLVED: To provide a liquid fuel storing container for a fuel cell as well as a fuel cell system storing liquid fuel to be supplied to a liquid fuel direct-supply type fuel cell capable of stably supplying liquid fuel for a long period of time. <P>SOLUTION: A fuel supply tube 120 extended into a tank member 110 for supplying liquid fuel 185 is endowed with flexibility, and a weight member 122 is provided in the vicinity of a suction port 121 of the liquid fuel in the fuel supply tube. Therefore, the suction port can always move toward a liquid fuel part and is always immersed in the liquid fuel. That is why a stable fuel supply is possible even in the case a fuel cell is fitted to a portable electronic equipment. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

本発明は、液体燃料直接供給形燃料電池に供給する液体燃料を収納した燃料電池用液体燃料収納容器、及び該液体燃料収納容器を備えた燃料電池システムに関する。   The present invention relates to a liquid fuel storage container for a fuel cell that stores liquid fuel to be supplied to a liquid fuel direct supply type fuel cell, and a fuel cell system including the liquid fuel storage container.

従来、携帯電話や携帯形のコンピューター等の携帯機器の電源には、ニッケル−カドミウム電池、ニッケル−水素電池、リチウムイオン電池等の二次電池が用いられてきた。これらの機器は、常に電源を入れた状態で使用することが多く、上記二次電池を用いて上記携帯機器の連続使用時間を延ばすことには限界があった。
これに対して、燃料電池を上記携帯機器の電源に用いる試みが開始されており、電解質膜の水分管理等が複雑である、水素を燃料とした固体高分子型燃料電池に代わって、メタノールなどの液体燃料と酸素とを直接発電部に供給することで発電可能な液体燃料直接供給形燃料電池が注目されている。即ち、上記液体燃料直接供給形燃料電池では、上記固体高分子型燃料電池で必要であった電解質膜の水分管理等が不要であり、構造もシンプルという特徴があるからである。 Conventionally, a secondary battery such as a nickel-cadmium battery, a nickel-hydrogen battery, or a lithium ion battery has been used as a power source for portable devices such as a mobile phone and a portable computer. These devices are often used in a state where the power is always turned on, and there is a limit to extending the continuous use time of the portable device using the secondary battery.
On the other hand, an attempt to use the fuel cell as a power source for the portable device has been started, and the water management of the electrolyte membrane is complicated. Instead of the solid polymer fuel cell using hydrogen as a fuel, methanol or the like is used. A liquid fuel direct supply type fuel cell that can generate electric power by directly supplying the liquid fuel and oxygen to the power generation unit has attracted attention. That is, the liquid fuel direct supply type fuel cell does not require water management of the electrolyte membrane, which is necessary for the polymer electrolyte fuel cell, and has a simple structure.

ところが、このような液体燃料直接供給形燃料電池は、液体の燃料を容器内に収納しており、かつ携帯機器に使用されるため燃料収納容器の姿勢が一定ではない。よって、容器内の液体燃料の残量が少なくなると、燃料吸引口部分に液体燃料が存在しない場合も生じ、発電部への安定した燃料供給が困難になり、機器の動作が不安定になるという問題があった。又、上述のように燃料収納容器の姿勢が一定ではないため、多孔質材料を充填した容器に液体燃料を収納し、かつ該容器の内部と発電部とを毛細管体からなる燃料供給路にて接続する構造が検討されている。この構造によれば、燃料電池自体の姿勢に関係なく、又、液体燃料の残量が少なくなっても、安定した燃料供給が可能である液体燃料直接供給形燃料電池を得ることができる。   However, since the liquid fuel direct supply type fuel cell stores liquid fuel in a container and is used in a portable device, the posture of the fuel storage container is not constant. Therefore, when the remaining amount of liquid fuel in the container is reduced, there may be no liquid fuel at the fuel suction port, making it difficult to stably supply fuel to the power generation unit, and the operation of the equipment becomes unstable. There was a problem. Further, as described above, since the attitude of the fuel storage container is not constant, the liquid fuel is stored in a container filled with a porous material, and the inside of the container and the power generation unit are connected by a fuel supply path formed by a capillary body. Connection structures are being studied. According to this structure, it is possible to obtain a liquid fuel direct supply type fuel cell that can stably supply fuel regardless of the attitude of the fuel cell itself and even when the remaining amount of liquid fuel is reduced.

上記構成の概要を図１４に示す。プロトン導電性の高分子電解質又は水酸化物イオン導電性の高分子電解質よりなる電解質を介して負極と正極とを配し、上記負極に液体燃料が供給され、上記正極に酸化剤ガスが供給されるように構成されたセルスタックを発電部１０として備えた燃料電池において、上記負極に供給するための液体燃料１が多孔質材料７を充填したステンレス製の容器２に収納され、かつ容器２の内部と発電部１０とが毛細管体からなる燃料供給路８によって接続されている（例えば、特許文献１参照）。
特開２００３−７７５０５号公報 An outline of the above configuration is shown in FIG. A negative electrode and a positive electrode are arranged via an electrolyte composed of a proton conductive polymer electrolyte or a hydroxide ion conductive polymer electrolyte, liquid fuel is supplied to the negative electrode, and oxidant gas is supplied to the positive electrode. In the fuel cell provided with the cell stack configured as described above as the power generation unit 10, the liquid fuel 1 to be supplied to the negative electrode is stored in a stainless steel container 2 filled with a porous material 7, and The inside and the power generation unit 10 are connected by a fuel supply path 8 made of a capillary body (see, for example, Patent Document 1).
JP 2003-77505 A

しかしながら、上述の文献による液体燃料直接供給形燃料電池では、容器２内に多孔質材料７を充填するため、容器２に収納できる液体燃料１の量が少なく、機器の長時間駆動が困難という問題がある。又、多孔質材料７の使用により液体燃料１にごみ等の不純物が混入し、燃料電池の電解質の性能が低下するという問題もある。該問題は、特に繊維質の多孔質材料を用いる場合に顕著に生じる。
本発明は、このような問題点を解決するためになされたもので、長時間、安定して液体燃料を供給可能な、液体燃料直接供給形燃料電池に供給する液体燃料を収納した燃料電池用液体燃料収納容器、及び該液体燃料収納容器を備えた燃料電池システムを提供することを目的とする。 However, in the liquid fuel direct supply type fuel cell according to the above-mentioned literature, the porous material 7 is filled in the container 2, so that the amount of the liquid fuel 1 that can be stored in the container 2 is small and it is difficult to drive the device for a long time. There is. Further, there is a problem that impurities such as dust are mixed into the liquid fuel 1 by using the porous material 7 and the performance of the electrolyte of the fuel cell is lowered. This problem occurs particularly when a fibrous porous material is used.
The present invention has been made to solve such a problem, and is for a fuel cell containing liquid fuel supplied to a liquid fuel direct supply type fuel cell capable of supplying liquid fuel stably for a long time. It is an object to provide a liquid fuel storage container and a fuel cell system including the liquid fuel storage container.

上記問題点を解決するために本発明は以下のように構成する。
即ち、本発明の第１態様の燃料電池用液体燃料収納容器は、発電を行う燃料電池本体へ直接に供給される液体燃料を収納し、かつ取付姿勢が定まらず上記液体燃料を重力方向へ移動自由に収納するタンク部材と、
上記タンク部材内に設けられ上記液体燃料を上記燃料電池本体へ供給する管であり、柔軟性を有し、かつ上記液体燃料を吸引する吸引口を有し、かつ上記液体燃料に上記吸引口を常に浸漬させる重り部材を上記吸引口の近傍に有する燃料供給管と、
を備えたことを特徴とする。 In order to solve the above problems, the present invention is configured as follows.
That is, the liquid fuel storage container for a fuel cell according to the first aspect of the present invention stores the liquid fuel supplied directly to the fuel cell main body that generates power, and moves the liquid fuel in the direction of gravity without being fixed in the mounting posture. A tank member for free storage;
A pipe provided in the tank member for supplying the liquid fuel to the fuel cell main body, having flexibility and having a suction port for sucking the liquid fuel, and providing the suction port for the liquid fuel; A fuel supply pipe having a weight member that is always immersed in the vicinity of the suction port;
It is provided with.

又、本発明の第２態様の燃料電池システムは、上記第１態様の燃料電池用液体燃料収納容器と、上記燃料電池用液体燃料収納容器から液体燃料が直接に供給されて発電を行う燃料電池本体とを備えたことを特徴とする。   The fuel cell system according to the second aspect of the present invention includes a liquid fuel storage container for the fuel cell according to the first aspect, and a fuel cell that generates power by directly supplying the liquid fuel from the liquid fuel storage container for the fuel cell. And a main body.

例えばメタノール水溶液のような液体燃料を直接、燃料電池のアノード極に供給して発電を行う燃料電池を携帯用の電子機器に設けた場合、上記液体燃料を収納しておくタンク部材内で液体燃料は、重力方向に自由に移動可能である。よって、上記タンク部材内に延在し液体燃料の供給を行う燃料供給管に柔軟性を持たせ、かつ燃料供給管における液体燃料の吸引口の近傍に重り部材を設けることで、上記吸引口は常に重力方向へ移動する。このような構成によれば、上記吸引口は、常に液体燃料に浸され、燃料電池を携帯用の電子機器に設けた場合であっても安定した燃料供給が可能となる。又、タンク部材内の大部分を液体燃料の収納領域とすることができ、機器の長時間駆動に十分な量の液体燃料を収納することができる。又、多孔質部材部分が少ないことから、不純物混入の問題を低減することができる。   For example, when a fuel cell for generating power by directly supplying a liquid fuel such as an aqueous methanol solution to the anode electrode of the fuel cell is provided in a portable electronic device, the liquid fuel is stored in a tank member that stores the liquid fuel. Can move freely in the direction of gravity. Therefore, by providing flexibility to the fuel supply pipe that extends into the tank member and supplies liquid fuel, and by providing a weight member near the liquid fuel suction opening in the fuel supply pipe, the suction opening is Always move in the direction of gravity. According to such a configuration, the suction port is always immersed in liquid fuel, and stable fuel supply is possible even when the fuel cell is provided in a portable electronic device. Further, most of the inside of the tank member can be used as a storage area for liquid fuel, and a sufficient amount of liquid fuel can be stored for long-time driving of the device. Moreover, since there are few porous member parts, the problem of impurity mixing can be reduced.

上述のように燃料供給管は、タンク部材内を自由に移動可能であるので絡まる可能性がある。そこで、支持部材を設け、該支持部材からの燃料供給管の長さを規定して燃料供給管の絡まりを防止することができる。
又、上記絡まりを防止する観点から、燃料供給管をコイルばね構造としたり、入子構造とすることもできる。 As described above, the fuel supply pipe can be tangled because it can move freely in the tank member. Therefore, a support member can be provided, and the length of the fuel supply pipe from the support member can be defined to prevent the fuel supply pipe from becoming entangled.
In addition, from the viewpoint of preventing the entanglement, the fuel supply pipe may have a coil spring structure or a nested structure.

上記重り部材は、例えば球状等の形状で、上記吸引口を囲むようにして燃料供給管に取り付けることができ、さらに多孔質部材を用いることで吸引口が直接液体燃料に接していなくても重り部材が液体燃料に浸されていれば、液体燃料の吸引が可能である。さらに、重り部材の形状は、タンク部材の胴体の横断面に略同形状にてなる筒状体とすることもできる。該形状によれば、タンク部材の内面を軸方向に沿って摺動することができることから、球状等の重り部材を用いる場合に比べて、重り部材とタンク部材との当接音を低減することができる。さらに、上記筒状体において、吸引口部分を、他の部分よりも重くした重量部とすることで、該重量部は重力方向に移動するので、タンク部材の軸周り方向に筒状体は回転可能となる。よって、上記当接音の低減を図るとともに、吸引口をより確実に液体燃料部分へ配置させることができる。   The weight member has a spherical shape, for example, and can be attached to the fuel supply pipe so as to surround the suction port. Further, by using a porous member, the weight member can be used even if the suction port is not in direct contact with the liquid fuel. If it is immersed in the liquid fuel, the liquid fuel can be sucked. Further, the weight member may be a cylindrical body having substantially the same shape as the cross section of the body of the tank member. According to this shape, since the inner surface of the tank member can be slid along the axial direction, the contact noise between the weight member and the tank member can be reduced as compared with the case where a spherical weight member is used. Can do. Further, in the above cylindrical body, the suction port portion is a weight part that is heavier than other parts, so that the weight part moves in the direction of gravity, so the cylindrical body rotates in the direction around the axis of the tank member. It becomes possible. Therefore, the contact noise can be reduced, and the suction port can be more reliably disposed in the liquid fuel portion.

又、本発明の別態様の燃料電池用液体燃料収納容器は、発電を行う燃料電池本体へ直接に供給される液体燃料を収納し、かつ取付姿勢が定まらず上記液体燃料を重力方向へ移動自由に収納するタンク部材と、
上記タンク部材内に設けられ、かつ上記液体燃料を収納した燃料区画、及び上記液体燃料を吸収する多孔質部材を収納した多孔質部材区画に上記タンク部材内を分割し、かつ上記液体燃料が通過可能な貫通穴を有する仕切り部材と、
上記液体燃料を上記タンク部材外へ供給する管であり、上記多孔質部材区画内に位置し当該多孔質部材に含まれる上記液体燃料を吸引する吸引口を有する燃料供給管と、
を備えたことを特徴とする。 Further, the liquid fuel storage container for a fuel cell according to another aspect of the present invention stores the liquid fuel supplied directly to the fuel cell main body that generates power, and the mounting posture is not fixed, and the liquid fuel can freely move in the direction of gravity. A tank member stored in
The tank member is divided into a fuel compartment provided in the tank member and containing the liquid fuel, and a porous member compartment containing a porous member that absorbs the liquid fuel, and the liquid fuel passes through the tank member. A partition member having a possible through hole;
A pipe that supplies the liquid fuel to the outside of the tank member, and a fuel supply pipe that is located in the porous member section and has a suction port for sucking the liquid fuel contained in the porous member;
It is provided with.

このような構成によれば、タンク部材には液体燃料を収納する燃料区画が設けられていることから、機器の長時間駆動に十分な量の液体燃料を収納することができる。又、多孔質部材部分が少ないことから、不純物混入の問題を低減することができる。   According to such a configuration, since the tank member is provided with the fuel compartment for storing the liquid fuel, it is possible to store a sufficient amount of the liquid fuel for long-time driving of the device. Moreover, since there are few porous member parts, the problem of impurity mixing can be reduced.

本発明の、第１態様の燃料電池用液体燃料収納容器、及び第２態様の燃料電池システムによれば、タンク部材内に延在し液体燃料の供給を行う燃料供給管に柔軟性を持たせ、かつ燃料供給管における液体燃料の吸引口の近傍に重り部材を設けたことにより、上記吸引口は常に重力方向、つまり液体燃料部分へ移動可能である。よって、上記吸引口は、常に液体燃料に浸され、燃料電池を携帯用の電子機器に設けた場合であっても安定した燃料供給が可能となる。   According to the liquid fuel storage container for the fuel cell of the first aspect and the fuel cell system of the second aspect of the present invention, the fuel supply pipe that extends into the tank member and supplies the liquid fuel is made flexible. In addition, since the weight member is provided in the vicinity of the liquid fuel suction port in the fuel supply pipe, the suction port can always move in the direction of gravity, that is, in the liquid fuel portion. Therefore, the suction port is always immersed in liquid fuel, and stable fuel supply is possible even when the fuel cell is provided in a portable electronic device.

本発明の実施形態である、燃料電池用液体燃料収納容器及び燃料電池システムについて、図を参照しながら以下に説明する。尚、上記燃料電池システムは、上記燃料電池用液体燃料収納容器を備えたシステムである。又、各図において同じ構成部分については同じ符号を付している。   A liquid fuel container for a fuel cell and a fuel cell system, which are embodiments of the present invention, will be described below with reference to the drawings. The fuel cell system is a system including the liquid fuel storage container for the fuel cell. Moreover, the same code | symbol is attached | subjected about the same component in each figure.

まず、図１１を参照して、実施形態の燃料電池用液体燃料収納容器１０１を備えた燃料電池システム１９０について説明する。
燃料電池システム１９０は、詳細後述する燃料収納容器１０１と、該燃料収納容器１０１より燃料供給を受け発電を行う燃料電池本体１８０とを備え、本実施形態では、燃料収納容器１０１は、燃料電池本体１８０へ直接に供給可能な液体燃料として約１０％の濃度にてなるメタノール水溶液を収納する。又、燃料収納容器１０１から燃料電池本体１８０へ燃料を供給するため、燃料収納容器１０１と燃料電池本体１８０との間に、燃料供給用ポンプ１８４を設けることもできる。又、燃料収納容器１０１には、高濃度又は原液のメタノールを収納することもできる。この場合、図１２に示すように、燃料収納容器１０１に接続され、燃料収納容器１０１から供給される高濃度又は原液のメタノールを希釈し約１０％のメタノール水溶液としこれを収納する中間タンク１９１を設ける必要がある。 First, a fuel cell system 190 including the fuel cell liquid fuel storage container 101 of the embodiment will be described with reference to FIG.
The fuel cell system 190 includes a fuel storage container 101, which will be described in detail later, and a fuel cell main body 180 that generates power by supplying fuel from the fuel storage container 101. In this embodiment, the fuel storage container 101 is a fuel cell main body. A methanol aqueous solution having a concentration of about 10% is accommodated as a liquid fuel that can be directly supplied to 180. Further, in order to supply fuel from the fuel storage container 101 to the fuel cell main body 180, a fuel supply pump 184 may be provided between the fuel storage container 101 and the fuel cell main body 180. The fuel storage container 101 can also store high-concentration or undiluted methanol. In this case, as shown in FIG. 12, an intermediate tank 191 connected to the fuel storage container 101 and diluted with high-concentration or undiluted methanol supplied from the fuel storage container 101 to obtain an approximately 10% aqueous methanol solution is stored. It is necessary to provide it.

燃料電池本体１８０は、電解質膜１８１、カソード電極１８２、アノード電極１８３、触媒膜（図示せず）等から構成され、アノード電極１８３に供給される上記液体燃料と、カソード電極１８２に供給される空気中の酸素とを化学反応させて電気エネルギーを生成する発電モジュールである。尚、図示では、電解質膜１８１、カソード電極１８２、及びアノード電極１８３からなる１セルのみを示しているが、実際には、複数セルが直列接続されて構成される。   The fuel cell main body 180 includes an electrolyte membrane 181, a cathode electrode 182, an anode electrode 183, a catalyst membrane (not shown), etc., and the liquid fuel supplied to the anode electrode 183 and air supplied to the cathode electrode 182. It is a power generation module that generates electrical energy by chemically reacting with the oxygen in it. In the drawing, only one cell including the electrolyte membrane 181, the cathode electrode 182, and the anode electrode 183 is shown, but actually, a plurality of cells are connected in series.

以上のように構成された燃料電池システム１９０は、図１３に示すように、例えばノート型のパーソナルコンピュータ等の携帯用の電子機器２０１に取り付けられる。よって、上記燃料電池用液体燃料収納容器１０１の取付姿勢は定まらず、燃料電池用液体燃料収納容器１０１内に収納されている液体燃料は、重力方向側に自由に移動する。   As shown in FIG. 13, the fuel cell system 190 configured as described above is attached to a portable electronic device 201 such as a notebook personal computer. Therefore, the mounting posture of the fuel cell liquid fuel storage container 101 is not fixed, and the liquid fuel stored in the fuel cell liquid fuel storage container 101 freely moves in the direction of gravity.

次に、上記実施形態の燃料電池用液体燃料収納容器１０１について説明する。
図１は、上記実施形態の燃料電池用液体燃料収納容器１０１の基本構造を示している。該燃料電池用液体燃料収納容器１０１は、タンク部材１１０と、燃料供給管１２０とを備える。タンク部材１１０は、燃料電池本体１８０のアノード電極１８３へ直接に供給される液体燃料を収納するタンク形状であり、本実施形態ではステンレス製である。本実施形態では、タンク部材１１０は、液体燃料１８５として約１０％のメタノール濃度にてなるメタノール水溶液を収納している。尚、燃料電池本体１８０における発電に伴い、タンク部材１１０内の液体燃料１８５は減少していくが、タンク部材１１０は、側壁部分に吸気部１１１を有しており、液体燃料１８５が消費されても、消費分に相当する空気がタンク部材１１０の外部より吸気部１１１を通して供給されるため、タンク部材１１０内が大気圧以下になることはなく、安定して液体燃料１８５の供給が可能である。ここで吸気部１１１は、空気は通過するが、液体は通過させないような選択的透過膜から形成されている。
さらに燃料電池システム１９０において、タンク部材１１０は、着脱自在な構造が好ましい。よって、燃料電池用液体燃料収納容器１０１は、着脱自在なコネクタ１３０を有する。コネクタ１３０は、タンク部材１１０側で燃料供給管１２０が接続されタンク部材１１０と伴に取り外されるタンク側コネクタ１３１と、燃料電池本体１８０側に設けられた本体側コネクタ１３２とを有し、タンク側コネクタ１３１と本体側コネクタ１３２とが連結可能である。 Next, the liquid fuel storage container 101 for a fuel cell according to the above embodiment will be described.
FIG. 1 shows a basic structure of a liquid fuel storage container 101 for a fuel cell according to the above embodiment. The liquid fuel storage container 101 for a fuel cell includes a tank member 110 and a fuel supply pipe 120. The tank member 110 has a tank shape that stores liquid fuel that is directly supplied to the anode electrode 183 of the fuel cell main body 180, and is made of stainless steel in this embodiment. In the present embodiment, the tank member 110 stores a methanol aqueous solution having a methanol concentration of about 10% as the liquid fuel 185. Note that the liquid fuel 185 in the tank member 110 decreases with the power generation in the fuel cell main body 180, but the tank member 110 has the intake portion 111 on the side wall portion, and the liquid fuel 185 is consumed. However, since air corresponding to the consumed amount is supplied from the outside of the tank member 110 through the intake portion 111, the inside of the tank member 110 does not become the atmospheric pressure or less, and the liquid fuel 185 can be stably supplied. . Here, the intake portion 111 is formed of a selectively permeable membrane that allows air to pass but does not allow liquid to pass.
Further, in the fuel cell system 190, the tank member 110 preferably has a detachable structure. Therefore, the fuel cell liquid fuel storage container 101 has a detachable connector 130. The connector 130 has a tank side connector 131 that is connected to the fuel supply pipe 120 on the tank member 110 side and is removed along with the tank member 110, and a main body side connector 132 provided on the fuel cell main body 180 side. The connector 131 and the main body side connector 132 can be connected.

燃料供給管１２０は、タンク部材１１０内に設けられ液体燃料１８５を燃料電池本体１８０へ供給する管であり、柔軟性を有し、かつ液体燃料１８５を吸引する吸引口１２１を有し、かつ液体燃料１８５に吸引口１２１を常に浸漬させる重り部材１２２を吸引口１２１の近傍に有する。又、燃料供給管１２０は、毛細管現象を発生する程度の内径を有する細管状とするのが好ましい。もしくは、内径が太くても、内部に多数の気孔を有する繊維状部材を充填した構造とする。一例として、燃料供給管１２０の外径は約１ｍｍ、内径は約０．５ｍｍである。
吸引口１２１は、図１に示すように、吸液方向１２３において重り部材１２２の直後に開口していてもよいし、図３に示すように重り部材１２２の直前に開口していてもよい。尚、図３に示すように吸引口１２１が重り部材１２２の直前に開口している場合、タンク部材１１０内における重り部材１２２の位置と、液体燃料１８５の量との関係で吸引口１２１が液体燃料１８５中に位置しない状態も考えられる。よって、図３に示す構成の場合、図４に示すように、重り部材１２２及び吸引口１２１を囲んで設けた多孔質材料にてなる吸引用部材１２４を設けるのが好ましい。 The fuel supply pipe 120 is a pipe that is provided in the tank member 110 and supplies the liquid fuel 185 to the fuel cell main body 180, has flexibility, has a suction port 121 that sucks the liquid fuel 185, and is liquid. A weight member 122 that always immerses the suction port 121 in the fuel 185 is provided in the vicinity of the suction port 121. The fuel supply pipe 120 is preferably a thin tube having an inner diameter that generates a capillary phenomenon. Alternatively, even if the inner diameter is large, a structure in which a fibrous member having a large number of pores is filled is used. As an example, the fuel supply pipe 120 has an outer diameter of about 1 mm and an inner diameter of about 0.5 mm.
As shown in FIG. 1, the suction port 121 may be opened immediately after the weight member 122 in the liquid absorption direction 123, or may be opened immediately before the weight member 122 as shown in FIG. 3. When the suction port 121 is opened immediately before the weight member 122 as shown in FIG. 3, the suction port 121 is liquid because of the relationship between the position of the weight member 122 in the tank member 110 and the amount of the liquid fuel 185. A state that is not located in the fuel 185 is also conceivable. Therefore, in the case of the configuration shown in FIG. 3, it is preferable to provide a suction member 124 made of a porous material provided so as to surround the weight member 122 and the suction port 121, as shown in FIG.

上述の構成を有する燃料電池用液体燃料収納容器１０１によれば、タンク部材１１０が傾く場合や、液体燃料１８５が少量となった場合でも、吸引口１２１は常に重力方向つまり液体燃料１８５が存在する方向へ移動する。よって吸引口１２１は、常に液体燃料１８５に浸され、タンク部材１１０の姿勢にかかわらず、安定した燃料供給が可能となる。又、タンク部材１１０内の大部分を液体燃料１８５の収納領域とすることができ、機器の長時間駆動に十分な量の液体燃料１８５を収納することができる。又、多孔質部材部分が少ないことから、不純物混入の問題を低減することができる。   According to the liquid fuel storage container 101 for a fuel cell having the above-described configuration, the suction port 121 always has the gravity direction, that is, the liquid fuel 185 exists even when the tank member 110 is tilted or the liquid fuel 185 is small. Move in the direction. Therefore, the suction port 121 is always immersed in the liquid fuel 185, and stable fuel supply is possible regardless of the posture of the tank member 110. Further, most of the tank member 110 can be used as a storage area for the liquid fuel 185, and a sufficient amount of the liquid fuel 185 can be stored for long-time driving of the device. Moreover, since there are few porous member parts, the problem of impurity mixing can be reduced.

上述した図１に示す構成では、タンク部材１１０内にて燃料供給管１２０が絡まる可能性もある。そこで、図２に示すように、燃料電池用液体燃料収納容器１０２は、タンク部材１１０内に設けられ燃料供給管１２０を支持し燃料供給管１２０の絡みを防止する支持部材１４０をさらに備え、燃料供給管１２０は、支持部材１４０に支持された状態で上記吸引口１２１がタンク部材１１０の両端部１１０ａ、１１０ｂに位置する長さを有するように構成した。尚、その他の構成は、燃料電池用液体燃料収納容器１０１に同じである。支持部材１４０は、タンク部材１１０の軸方向１１２におけるほぼ中央位置でタンク部材１１０の内面１１０ｃに取り付けるのが好ましい。このような位置に支持部材１４０を設置することで、タンク部材１１０内において移動可能となる燃料供給管１２０の長さが限定され、上記絡まりを防止することができる。   In the configuration shown in FIG. 1 described above, the fuel supply pipe 120 may be entangled in the tank member 110. Therefore, as shown in FIG. 2, the liquid fuel storage container 102 for the fuel cell further includes a support member 140 provided in the tank member 110 to support the fuel supply pipe 120 and prevent the fuel supply pipe 120 from being entangled. The supply pipe 120 is configured such that the suction port 121 has a length that is positioned at both end portions 110 a and 110 b of the tank member 110 while being supported by the support member 140. The other configuration is the same as that of the liquid fuel storage container 101 for the fuel cell. The support member 140 is preferably attached to the inner surface 110 c of the tank member 110 at a substantially central position in the axial direction 112 of the tank member 110. By installing the support member 140 at such a position, the length of the fuel supply pipe 120 that can be moved in the tank member 110 is limited, and the above-described entanglement can be prevented.

又、タンク部材１１０内における燃料供給管１２０の絡まり防止の観点から、図５及び図６に示すように、燃料供給管１２０をらせん状にしてもよい。特に図６に示すように、円錐状に燃料供給管１２０を旋回させることで、折り畳んだ状態において、重り部材１２２を中心として同心円状に燃料供給管１２０が旋回する形態となるのでより好ましい。尚、これらの構造に関し、燃料供給管１２０に沿って弾性率の高い金属線を配置することも燃料供給管１２０の絡み回避に有効である。
又、図７に示すように、燃料供給管１２０を入子構造として、燃料供給管１２０の軸方向へ伸縮自在とし、折り畳み可能とすることもできる。 Further, from the viewpoint of preventing the fuel supply pipe 120 from becoming entangled in the tank member 110, the fuel supply pipe 120 may be spiral as shown in FIGS. In particular, as shown in FIG. 6, it is more preferable to turn the fuel supply pipe 120 in a conical shape because the fuel supply pipe 120 turns concentrically around the weight member 122 in the folded state. In addition, regarding these structures, it is also effective to avoid entanglement of the fuel supply pipe 120 by arranging a metal wire having a high elastic modulus along the fuel supply pipe 120.
In addition, as shown in FIG. 7, the fuel supply pipe 120 may have a nested structure so that the fuel supply pipe 120 can expand and contract in the axial direction of the fuel supply pipe 120 and can be folded.

又、重り部材１２２の変形例として、図８Ａ、図９Ａに示すような、重り部材１２５，１２６を採用した、燃料電池用液体燃料収納容器１０３、燃料電池用液体燃料収納容器１０４を形成することもできる。
重り部材１２５，１２６は、ともに、タンク部材１１０の胴体部１１０ｄの横断面に略同形状にてなる筒状体であり、タンク部材１１０の軸方向１１２に沿ってタンク部材１１０内を摺動可能な部材である。
重り部材１２５は、図８Ｂに示すように、タンク部材１１０の胴体部１１０ｄの横断面が方形状である場合に対応したもので、方形状の筒状の形状にてなり、その内面１２５ａに燃料供給管１２０の先端部分１２０ａを取り付けている。尚、該先端部分１２０ａには上記吸引口１２１が存在する。
重り部材１２６は、図９Ｂに示すように、タンク部材１１０の胴体部１１０ｄの横断面が円形状である場合に対応したもので、円環形状にてなり、その内面１１０ｃに上記先端部分１２０ａを取り付けている。さらに重り部材１２６では、上記先端部分１２０ａの取り付け部分に対応して、重量部１２７を設けている。重量部１２７は、重り部材１２６の比重よりもさらに重い比重にてなる材料又は部材にてなり、図９Ｂに示すように重り部材１２６と一体的に形成してもよいし、重り部材１２６とは別体で重り部材１２６に取り付ける形態としてもよい。 Further, as a modification of the weight member 122, a liquid fuel storage container 103 for a fuel cell and a liquid fuel storage container 104 for a fuel cell, which employ weight members 125 and 126 as shown in FIGS. 8A and 9A, are formed. You can also.
The weight members 125 and 126 are both cylindrical bodies having substantially the same shape in the cross section of the body portion 110d of the tank member 110, and can slide in the tank member 110 along the axial direction 112 of the tank member 110. It is an important member.
As shown in FIG. 8B, the weight member 125 corresponds to a case where the body section 110d of the tank member 110 has a square cross section, and has a square cylindrical shape. A distal end portion 120a of the supply pipe 120 is attached. The suction port 121 is present at the tip portion 120a.
As shown in FIG. 9B, the weight member 126 corresponds to a case where the body section 110d of the tank member 110 has a circular cross section. The weight member 126 has an annular shape, and the tip portion 120a is formed on the inner surface 110c. It is attached. Further, the weight member 126 is provided with a weight portion 127 corresponding to the attachment portion of the tip portion 120a. The weight portion 127 is made of a material or member having a specific gravity heavier than that of the weight member 126, and may be formed integrally with the weight member 126 as shown in FIG. 9B. It is good also as a form attached to the weight member 126 separately.

重り部材１２５，１２６は、タンク部材１１０の姿勢に応じて、タンク部材１１０の軸方向１１２に沿ってタンク部材１１０内を重力方向へ移動することより、上述の重り部材１２２と同様に、液体燃料１８５の存在する部分へ燃料供給管１２０の吸引口１２１を配置させることができる。又、重り部材１２２を設けた場合、タンク部材１１０の姿勢変化に応じて、重り部材１２２がタンク部材１１０の内面１１０ｃに当たり、例えばカタカタと当接音を発する場合も考えられる。一方、重り部材１２５，１２６の場合、タンク部材１１０の内面１１０ｃを軸方向１１２へ摺動することから、上記当接音の発生の低減を図ることができる。   The weight members 125 and 126 move in the gravitational direction in the tank member 110 along the axial direction 112 of the tank member 110 according to the posture of the tank member 110, so that the liquid fuel is similar to the weight member 122 described above. The suction port 121 of the fuel supply pipe 120 can be disposed at a portion where 185 exists. In addition, when the weight member 122 is provided, the weight member 122 may hit the inner surface 110c of the tank member 110 according to a change in the posture of the tank member 110, and for example, may make a rattling noise. On the other hand, in the case of the weight members 125 and 126, since the inner surface 110c of the tank member 110 slides in the axial direction 112, the generation of the contact noise can be reduced.

さらに重り部材１２６の場合、重量部１２７が重力方向へ移動することから、円環状の重り部材１２６は、タンク部材１１０の内周面に沿って軸周り方向１１３へ回転可能である。よって、上述の当接音の低減を図るとともに、吸引口１２１をより確実に液体燃料部分へ配置させることができ、より少ない残燃料でも発電可能である。   Further, in the case of the weight member 126, the weight portion 127 moves in the direction of gravity, so that the annular weight member 126 can rotate in the axial direction 113 along the inner peripheral surface of the tank member 110. Therefore, the above-described contact noise can be reduced, and the suction port 121 can be more reliably disposed in the liquid fuel portion, so that it is possible to generate power with less residual fuel.

以下には、他の実施形態としての燃料電池用液体燃料収納容器について、図１０を参照して説明する。
図１０に示す燃料電池用液体燃料収納容器１０５は、上記吸気部１１１を有する上記タンク部材１１０内に、仕切り部材１５０と、燃料供給管１２０とを備える。上記仕切り部材１５０は、タンク部材１１０内を、上記液体燃料１８５を収納した燃料区画１１４と、液体燃料１８５を吸収する多孔質部材１６０を収納した多孔質部材区画１１５とに分割し、かつ液体燃料１８５が通過可能な、一つ若しくは複数の貫通穴１５１を有する部材である。燃料区画１１４と多孔質部材区画１１５との容積比率は、特に規定するものではないが、ほぼ半分ずつ、又は図示するように、若干、燃料区画１１４の方が大きいのが好ましい。又、燃料供給管１２０は、多孔質部材区画１１５内に位置し、上記吸引口１２１を多孔質部材１６０内に位置するように配置されている。又、燃料電池用液体燃料収納容器１０１の場合と同様に、燃料電池用液体燃料収納容器１０５もコネクタ１３０を有する。 Below, the liquid fuel storage container for fuel cells as other embodiment is demonstrated with reference to FIG.
A liquid fuel storage container 105 for a fuel cell shown in FIG. 10 includes a partition member 150 and a fuel supply pipe 120 in the tank member 110 having the intake portion 111. The partition member 150 divides the tank member 110 into a fuel compartment 114 in which the liquid fuel 185 is accommodated and a porous member compartment 115 in which a porous member 160 that absorbs the liquid fuel 185 is accommodated. 185 is a member having one or a plurality of through holes 151 through which 185 can pass. The volume ratio between the fuel compartment 114 and the porous member compartment 115 is not particularly defined, but it is preferable that the fuel compartment 114 is almost half by half or slightly larger as illustrated. Further, the fuel supply pipe 120 is located in the porous member section 115 and is arranged so that the suction port 121 is located in the porous member 160. Similarly to the fuel cell liquid fuel storage container 101, the fuel cell liquid fuel storage container 105 also has a connector 130.

このような構成を有する燃料電池用液体燃料収納容器１０５では、燃料区画１１４内の液体燃料１８５は、燃料電池用液体燃料収納容器１０５の姿勢にかかわらず、仕切り部材１５０の貫通穴１５１を通して多孔質部材区画１１５の多孔質部材１６０へ進入することができる。よって、燃料電池用液体燃料収納容器１０５の姿勢にかかわらず、多孔質部材６０内に位置する燃料供給管１２０の吸引口１２１を通して液体燃料１８５を燃料電池本体１８０へ供給することができる。
又、燃料電池用液体燃料収納容器１０５では、タンク部材１１０内の全体に多孔質部材１６０を充填しないため、液体燃料１８５の収容量が低下してしまうことはない。よって、機器の長時間使用も可能となる。又、多孔質部材１６０の容積が従来構成に比べて小さいことから、多孔質部材１６０に起因するゴミ等の問題の発生を低減することができる。 In the fuel cell liquid fuel storage container 105 having such a configuration, the liquid fuel 185 in the fuel compartment 114 is porous through the through hole 151 of the partition member 150 regardless of the orientation of the fuel cell liquid fuel storage container 105. The porous member 160 in the member section 115 can be entered. Therefore, the liquid fuel 185 can be supplied to the fuel cell main body 180 through the suction port 121 of the fuel supply pipe 120 located in the porous member 60 regardless of the posture of the liquid fuel storage container 105 for the fuel cell.
Further, in the liquid fuel storage container 105 for the fuel cell, since the porous member 160 is not filled in the entire tank member 110, the storage amount of the liquid fuel 185 is not reduced. Thus, the device can be used for a long time. In addition, since the volume of the porous member 160 is smaller than that of the conventional configuration, the occurrence of problems such as dust caused by the porous member 160 can be reduced.

本発明は、液体燃料直接供給形燃料電池に供給する液体燃料を収納した燃料収納容器、及び該燃料収納容器を備えた燃料電池システムに適用可能である。   The present invention is applicable to a fuel storage container storing liquid fuel supplied to a liquid fuel direct supply fuel cell and a fuel cell system including the fuel storage container.

本発明の実施形態である燃料電池用液体燃料収納容器の断面図である。It is sectional drawing of the liquid fuel storage container for fuel cells which is embodiment of this invention. 図１に示す燃料電池用液体燃料収納容器の変形例を示す図である。It is a figure which shows the modification of the liquid fuel storage container for fuel cells shown in FIG. 図１及び図２に示す重り部材の変形例を示す図である。It is a figure which shows the modification of the weight member shown to FIG.1 and FIG.2. 図１及び図２に示す重り部材の他の変形例を示す図である。It is a figure which shows the other modification of the weight member shown to FIG.1 and FIG.2. 図１に示す燃料供給管の変形例を示す図である。It is a figure which shows the modification of the fuel supply pipe | tube shown in FIG. 図１に示す燃料供給管の他の変形例を示す図である。It is a figure which shows the other modification of the fuel supply pipe | tube shown in FIG. 図１に示す燃料供給管の別の変形例を示す図である。It is a figure which shows another modification of the fuel supply pipe | tube shown in FIG. 図１及び図２に示す重り部材の別の変形例を有する燃料電池用液体燃料収納容器を示す図である。It is a figure which shows the liquid fuel storage container for fuel cells which has another modification of the weight member shown in FIG.1 and FIG.2. 図８ＡのＩ−Ｉ部における断面図である。It is sectional drawing in the II section of FIG. 8A. 図１及び図２に示す重り部材のさらに他の変形例を有する燃料電池用液体燃料収納容器を示す図である。FIG. 6 is a view showing a liquid fuel storage container for a fuel cell having still another modification of the weight member shown in FIGS. 1 and 2. 図９ＡのＩ−Ｉ部における断面図である。It is sectional drawing in the II section of FIG. 9A. 本発明の別の実施形態である燃料電池用液体燃料収納容器の断面図である。It is sectional drawing of the liquid fuel storage container for fuel cells which is another embodiment of this invention. 本発明の実施形態である燃料電池システムの構成を示す図である。It is a figure which shows the structure of the fuel cell system which is embodiment of this invention. 図１１に示す燃料電池システムの他の構成例を示す図である。It is a figure which shows the other structural example of the fuel cell system shown in FIG. 図１１及び図１２に示す燃料電池システムを電子機器に設けた状態を示す斜視図である。It is a perspective view which shows the state which provided the fuel cell system shown in FIG.11 and FIG.12 in the electronic device. 従来の燃料収納容器の断面図である。It is sectional drawing of the conventional fuel storage container.

符号の説明Explanation of symbols

１０１〜１０４…燃料電池用液体燃料収納容器、
１１０…タンク部材、１１０ａ、１１０ｂ…両端部、１１０ｃ…内面、
１１０ｄ…胴体部、１１２…軸方向、１２０…燃料供給管、１２１…吸引口、
１２２、１２５、１２６…重り部材、１２７…重量部、１４０…支持部材、
１８０…燃料電池本体、１８５…液体燃料。
101-104 ... Liquid fuel storage container for fuel cell,
110 ... Tank member, 110a, 110b ... Both ends, 110c ... Inner surface,
110d ... trunk part, 112 ... axial direction, 120 ... fuel supply pipe, 121 ... suction port,
122, 125, 126 ... weight members, 127 ... weight parts, 140 ... support members,
180: Fuel cell main body, 185: Liquid fuel.

Claims (8)

発電を行う燃料電池本体（１８０）へ直接に供給される液体燃料（１８５）を収納し、かつ取付姿勢が定まらず上記液体燃料を重力方向へ移動自由に収納するタンク部材（１１０）と、
上記タンク部材内に設けられ上記液体燃料を上記燃料電池本体へ供給する管であり、柔軟性を有し、かつ上記液体燃料を吸引する吸引口（１２１）を有し、かつ上記液体燃料に上記吸引口を常に浸漬させる重り部材（１２２、１２５、１２６）を上記吸引口の近傍に有する燃料供給管（１２０）と、
を備えたことを特徴とする燃料電池用液体燃料収納容器。 A tank member (110) for storing the liquid fuel (185) directly supplied to the fuel cell main body (180) for generating power, and for storing the liquid fuel freely in the direction of gravity without being fixed in the mounting posture;
A pipe provided in the tank member for supplying the liquid fuel to the fuel cell main body, having flexibility and having a suction port (121) for sucking the liquid fuel; A fuel supply pipe (120) having a weight member (122, 125, 126) for always immersing the suction port in the vicinity of the suction port;
A liquid fuel storage container for a fuel cell, comprising: 上記タンク部材内に設けられて上記燃料供給管を支持し上記タンク部材内における上記燃料供給管の絡みを防止する支持部材（１４０）をさらに備え、
上記燃料供給管は、上記支持部材に支持された状態で、上記吸引口が上記タンク部材の両端部（１１０ａ、１１０ｂ）に位置する長さを有する、請求項１記載の燃料電池用液体燃料収納容器。 A support member (140) provided in the tank member for supporting the fuel supply pipe and preventing entanglement of the fuel supply pipe in the tank member;
2. The liquid fuel storage for a fuel cell according to claim 1, wherein the fuel supply pipe has a length in which the suction port is positioned at both ends (110 a, 110 b) of the tank member in a state where the fuel supply pipe is supported by the support member. container. 上記重り部材（１２５、１２６）は、上記タンク部材の胴体部（１１０ｄ）の横断面に略同形状にてなる筒状体であり、上記タンク部材の軸方向（１１２）に沿って上記タンク部材内を摺動可能な部材である、請求項１記載の燃料電池用液体燃料収納容器。   The weight members (125, 126) are cylindrical bodies having substantially the same shape in the cross section of the body portion (110d) of the tank member, and the tank member along the axial direction (112) of the tank member. The liquid fuel storage container for a fuel cell according to claim 1, wherein the container is a slidable member. 上記タンク部材が円筒状にてなるとき、上記重り部材（１２６）は、円環形状であり、かつ当該タンク部材の内周面（１１０ｃ）に沿って当該重り部材を軸周り方向へ回転させる重量部（１２７）を上記吸引口の近傍に有する、請求項３記載の燃料電池用液体燃料収納容器。   When the tank member has a cylindrical shape, the weight member (126) has an annular shape, and a weight for rotating the weight member in the axial direction along the inner peripheral surface (110c) of the tank member. The liquid fuel storage container for a fuel cell according to claim 3, further comprising a portion (127) in the vicinity of the suction port. 上記重り部材は、多孔質部材にてなり、上記吸引口は当該多孔質部材内に開口する、請求項１から４のいずれかに記載の燃料電池用液体燃料収納容器。   The liquid fuel container for a fuel cell according to any one of claims 1 to 4, wherein the weight member is a porous member, and the suction port is opened in the porous member. 上記燃料供給管は、伸縮自在であり当該燃料供給管の絡みを防止するコイルばね構造にて形成されている、請求項１記載の燃料電池用液体燃料収納容器。   2. The liquid fuel storage container for a fuel cell according to claim 1, wherein the fuel supply pipe is extendable and formed by a coil spring structure that prevents the fuel supply pipe from being entangled. 上記燃料供給管は、入子構造にて形成されている、請求項１記載の燃料電池用液体燃料収納容器。   The liquid fuel storage container for a fuel cell according to claim 1, wherein the fuel supply pipe is formed in a nested structure. 請求項１から７のいずれかに記載の燃料電池用液体燃料収納容器（１０１〜１０４）と、
上記燃料電池用液体燃料収納容器から液体燃料（１８５）が直接に供給されて発電を行う燃料電池本体（１８０）と、
を備えたことを特徴とする燃料電池システム。
A liquid fuel storage container (101 to 104) for a fuel cell according to any one of claims 1 to 7;
A fuel cell body (180) for generating power by directly supplying liquid fuel (185) from the liquid fuel storage container for the fuel cell;
A fuel cell system comprising:
JP2004147317A 2004-05-18 2004-05-18 Liquid fuel container for fuel cell and fuel cell system Expired - Fee Related JP5008252B2 (en)

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US10/572,497 US20070125360A1 (en) 2004-05-18 2005-04-22 Liquid fuel storage container for fuel cell and fuel cell system
CNB2005800015612A CN100423343C (en) 2004-05-18 2005-04-22 Liquid fuel receiving container for fuel cell, and fuel cell system
PCT/JP2005/007691 WO2005112169A1 (en) 2004-05-18 2005-04-22 Liquid fuel receiving container for fuel cell, and fuel cell system

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JP2013125688A (en) * 2011-12-15 2013-06-24 Sharp Corp Fuel tank for fuel cell
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US20070125360A1 (en) 2007-06-07
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CN100423343C (en) 2008-10-01
WO2005112169A1 (en) 2005-11-24

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