WO2010007818A1 - Pile à combustible à polymère solide - Google Patents

Pile à combustible à polymère solide Download PDF

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Publication number
WO2010007818A1
WO2010007818A1 PCT/JP2009/057048 JP2009057048W WO2010007818A1 WO 2010007818 A1 WO2010007818 A1 WO 2010007818A1 JP 2009057048 W JP2009057048 W JP 2009057048W WO 2010007818 A1 WO2010007818 A1 WO 2010007818A1
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WIPO (PCT)
Prior art keywords
fuel
polymer electrolyte
electrode
fuel cell
fixing plate
Prior art date
Application number
PCT/JP2009/057048
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English (en)
Japanese (ja)
Inventor
憲司 小林
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日本電気株式会社
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Filing date
Publication date
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Publication of WO2010007818A1 publication Critical patent/WO2010007818A1/fr

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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
    • H01M8/10—Fuel cells with solid electrolytes
    • H01M8/1009—Fuel cells with solid electrolytes with one of the reactants being liquid, solid or liquid-charged
    • H01M8/1011—Direct alcohol fuel cells [DAFC], e.g. direct methanol fuel cells [DMFC]
    • 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
    • H01M8/02—Details
    • H01M8/0271—Sealing or supporting means around electrodes, matrices or membranes
    • 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
    • H01M8/02—Details
    • H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
    • H01M8/023—Porous and characterised by the material
    • 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
    • H01M8/02—Details
    • H01M8/0297—Arrangements for joining electrodes, reservoir layers, heat exchange units or bipolar separators to each other
    • 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
    • H01M8/10—Fuel cells with solid electrolytes
    • H01M8/1004—Fuel cells with solid electrolytes characterised by membrane-electrode assemblies [MEA]
    • 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
    • H01M8/10—Fuel cells with solid electrolytes
    • H01M2008/1095—Fuel cells with polymeric electrolytes
    • 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

Definitions

  • the present invention relates to a polymer electrolyte fuel cell.
  • the solid polymer fuel cell includes an electrode-electrolyte membrane assembly (MEA) having a structure in which a solid polymer electrolyte membrane is sandwiched between an anode electrode and a cathode electrode.
  • MEA electrode-electrolyte membrane assembly
  • a type of fuel cell that supplies liquid fuel directly to the anode electrode is called a direct fuel cell.
  • the supplied liquid fuel is decomposed on a catalyst held by an anode electrode to generate cations, electrons and intermediate products.
  • the generated cations permeate the solid polymer electrolyte membrane and move to the cathode electrode side, and the generated electrons move to the cathode electrode side through an external load, and these are moved to the cathode electrode side. Electricity is generated by reacting with oxygen in the air at the electrodes.
  • DMFC direct methanol fuel cell
  • the reaction represented by the formula (1) occurs at the anode electrode
  • the formula ( The reaction represented by 2) occurs at the cathode electrode.
  • Patent Document 1 describes a gas-liquid separation property and proton as a fuel vaporization layer before the anode electrode part of MEA.
  • a fuel vaporization supply type fuel cell in which a fuel supply suppressing membrane having conductivity is disposed between two perforated plates. Further, in this fuel vaporization supply type fuel cell, a vent is provided between the solid polymer electrolyte membrane and the anode electrode.
  • the carbon dioxide gas is more efficiently produced from the opening formed in the outer peripheral portion of the anode electrode than in the fuel cell constituted by the gas-liquid separation porous body alone. Are exhausted. Moreover, the physical shape fluctuation
  • Japanese Patent Application Laid-Open No. 2006-318712 also discloses a fuel cell having a mechanism for discharging carbon dioxide gas to the outside between a gas-liquid separation membrane and a fuel electrode (anode electrode). ing.
  • JP 2000-106201 A and JP 2006-54082 A use a PTFE (polytetrafluoroethylene) porous body having water repellency as a material to be vaporized and supplied. It is disclosed.
  • PTFE polytetrafluoroethylene
  • An object of the present invention is to provide a polymer electrolyte fuel cell that can solve the above-described technical problems.
  • An example of the purpose is to prevent the carbon dioxide gas generated at the fuel electrode from flowing backward from the fuel electrode to the liquid fuel side.
  • a polymer electrolyte fuel cell is A solid polymer electrolyte membrane; A pair of a fuel electrode and an oxidant electrode that hold the solid polymer electrolyte membrane therebetween, A fuel container containing liquid fuel, disposed at a position on the fuel electrode side with respect to the solid polymer electrolyte membrane; A fuel vaporization layer made of a gas-liquid separable porous body, disposed between the fuel electrode and the liquid fuel; A pair of perforated fixing plates that hold the fuel vaporization layer therebetween. And the aperture ratio of the perforated fixing plate arranged on the liquid fuel side is larger than the aperture ratio of the perforated fixing plate arranged on the fuel electrode side.
  • the fuel supply to the fuel electrode can be stabilized.
  • FIG. 1 is a cross-sectional view schematically showing the configuration of the polymer electrolyte fuel cell of the present embodiment.
  • a solid polymer fuel cell 100 includes a solid polymer electrolyte membrane 108, a pair of anode electrodes (fuel electrodes) 107 and cathode electrodes (a cathode electrode (fuel electrode) 107 that hold the solid polymer electrolyte membrane 108 therebetween.
  • An oxidizer electrode) 109 a fuel tank (fuel container) 101 containing the methanol fuel 102, a fuel vaporization layer 105 made of a gas-liquid separable porous body provided between the anode electrode 107 and the methanol fuel 102, It has a pair of perforated fixing plates 103 and a perforated fixing plate 104 that hold the fuel vaporization layer 105 therebetween.
  • the polymer electrolyte fuel cell 100 has a cell structure that vaporizes and supplies the methanol fuel 102 accommodated in the fuel tank 101.
  • the perforated fixing plate 103 and the perforated fixing plate 104 have a plurality of holes.
  • the aperture ratio of the perforated fixing plate 103 disposed on the methanol fuel 102 side is equal to the aperture ratio of the perforated fixing plate 104 disposed on the anode electrode 107 side, that is, adjacent to the anode current collecting electrode 106. Bigger than. With this configuration, the flow rate itself of the carbon dioxide gas generated at the anode electrode 107 flowing backward from the anode electrode 107 toward the methanol fuel 102 can be reduced.
  • the perforated fixing plate 103 and the perforated fixing plate 104 sandwich the fuel vaporization layer 105 from above and below the fuel vaporization layer 105.
  • a material used for the perforated fixing plate 103 and the perforated fixing plate 104 a material having acid resistance and a mechanical strength capable of holding the fuel vaporization layer 105 is preferable.
  • the aperture ratio of the perforated fixing plate 103 and the perforated fixing plate 104 is preferably 1% or more and 30% or less. Thereby, the perforated fixing plate 103 and the perforated fixing plate 104 can sufficiently fix and hold the fuel vaporization layer 105.
  • the opening ratio is less than 1%, the methanol fuel 102 does not pass through the perforated fixing plate well, which is not preferable.
  • the opening ratio exceeds 30%, the mechanical strength of the perforated fixing plate is reduced, and therefore the fuel vaporization layer 105 cannot be sufficiently held by the perforated fixing plate.
  • the shape of the opening (hole) of the perforated fixing plate is not particularly limited.
  • the aperture diameter formed in the perforated fixing plate 104 is set to 1 mm or less, and the aperture diameter formed in the perforated fixing plate 103 is set to 0.2 mm or more. It is preferable to do this.
  • the aperture of the perforated fixing plate 103 and the perforated fixing plate 104 the aperture of the perforated fixing plate 103 disposed on the methanol fuel 102 side with respect to the aperture ratio A4 of the perforated fixing plate 104 disposed on the anode electrode 107 side.
  • the rate A3, that is, the value of (A3 / A4) satisfies 2 or more and 10 or less. This configuration makes it difficult for the carbon dioxide gas to flow from the anode electrode 107 to the methanol fuel 102 side, so that the fuel supply is stabilized.
  • the opening ratios of the two perforated fixing plates 103 and 104 are formed asymmetrically on both surfaces of the fuel vaporization layer 105 so that carbon dioxide gas flows in a certain direction from the fuel vaporization layer 105. Can do.
  • the aperture ratios of the perforated fixing plate 103 and the perforated fixing plate 104 are the aperture diameter and the distance between adjacent openings (pitch) relative to the area of the perforated fixing plate 103 and the perforated fixing plate 104 where the openings are provided. ) And the number of openings.
  • the opening processing method is not particularly limited, and examples thereof include laser processing and etching processing.
  • the thickness of the perforated fixing plate 103 and the perforated fixing plate 104 is not particularly limited, but the thickness is formed to be 0.1 mm or more so as to withstand fluctuations in the pressure of the carbon dioxide gas discharged from the fuel vaporization layer 105. It is preferable to do this.
  • the fuel vaporization layer 105 is a porous body having gas-liquid separation properties.
  • a PTFE porous membrane or a fluorine-based or hydrocarbon-based ion exchange membrane having an ion exchange group can be used.
  • the methanol fuel 102 is supplied from the surface of the fuel vaporization layer 105 to the anode electrode 107 as methanol vapor and water vapor by saturated vapor pressure.
  • a portion where the fuel vaporization layer 105 is sandwiched between the perforated fixing plate 103 and the perforated fixing plate 104 functions as a fuel vaporization supply unit.
  • the anode electrode 107 and the cathode electrode 109 are pressure-bonded to both surfaces of the solid polymer electrolyte membrane 108, thereby forming an MEA (electrode-electrolyte membrane assembly; Membrane and Electrode Assembly).
  • MEA electrolyte membrane assembly
  • a cathode current collecting electrode 110 and an anode current collecting electrode 106 are respectively disposed on the upper and lower surfaces of the MEA, and the MEA is sandwiched between the cathode current collecting electrode 110 and the anode current collecting electrode 106.
  • Sealing materials 114a and 114b serving also as insulating materials are sandwiched and fixed between the cathode current collecting electrode 110 and the upper surface of the MEA and between the lower surface of the MEA and the anode current collecting electrode 106, respectively.
  • a catalyst is attached to a porous base material, and a catalyst paste layer is formed on the base material.
  • the porous substrate can function as a current collecting electrode.
  • the MEA is formed by arranging and pressing the catalyst paste layers of the anode electrode 107 and the cathode electrode 109 so as to be on the solid polymer electrolyte membrane 108 side.
  • carbon or metal mat having high conductivity can be used for the catalyst paste layer.
  • examples of the catalyst include platinum, rhodium, palladium, ruthenium, rhenium, gold, silver, nickel, and cobalt. These can be used alone or in combination of two or more.
  • the conductive particles are preferably carbon particles.
  • the carbon particles include acetylene black, ketjen black, carbon nanotube, and carbon nanohorn.
  • the solid polymer electrolyte membrane 108 is preferably a membrane having high hydrogen ion conductivity.
  • the solid polymer electrolyte membrane 108 can function as a membrane that moves hydrogen ions between the anode electrode 107 and the cathode electrode 109. Further, it is preferably chemically stable and has high mechanical strength.
  • the material constituting the solid polymer electrolyte membrane 108 include organic polymers having a strong acid group such as a sulfone group, a phosphate group, a phosphone group, and a phosphine group, a weak acid group such as a carboxyl group, and a polar group. Can be mentioned.
  • the sealing material 114 a is disposed on the outer peripheral portion of the anode electrode 107 and is disposed between the solid polymer electrolyte membrane 108 and the anode current collecting electrode 106.
  • the seal member 114 b is disposed on the outer peripheral portion of the cathode electrode 109 and is disposed between the solid polymer electrolyte membrane 108 and the cathode current collecting electrode 110. For this reason, the sealing materials 114a and 114b also function as spacer members.
  • the carbon dioxide discharge port 115 is provided in the sealing material 114 a located between the solid polymer electrolyte membrane 108 and the anode current collecting electrode 106. That is, the carbon dioxide discharge port 115 is provided at a position corresponding to the outer peripheral portion of the anode electrode 107.
  • the carbon dioxide discharge port 115 functions as a discharge unit that discharges the carbon dioxide gas generated at the anode electrode 107 to the outside of the fuel cell 100.
  • Such a carbon dioxide outlet 115 uses a porous body as the sealing material 114 a, so that pores of the porous body function as the carbon dioxide outlet 115. Further, the carbon dioxide discharge port 115 may be formed by providing a vent hole in the sealing material 114a.
  • the polymer electrolyte fuel cell 100 has a structure in which a hydrophilic porous membrane 111 and a water-repellent porous membrane 112 are laminated on a cathode electrode 109.
  • the hydrophilic porous film 111 prevents evaporation of water at the cathode electrode 109 and functions as a moisture retention layer. Further, since the water generated at the cathode electrode 109 is back-diffused to the anode electrode 107, the water can be reused and the consumption of the methanol fuel 102 can be reduced.
  • Examples of the material of the hydrophilic porous membrane 111 include fiber mats, hydrophilic cellulose fibers, A glass fiber etc. can be mentioned.
  • examples of the material of the water-repellent porous film 112 include plastic materials (PTFE, ETFE, polypropylene, polyethylene, etc.), metal mats, and the like. All of these materials preferably have methanol resistance.
  • the fuel tank 101 stores the methanol fuel 102, and has a methanol resistance as a material, and preferably has a heat resistance at a temperature up to 80 ° C.
  • the housing portion for the methanol fuel 102 inside the fuel tank 101 functions as a fuel holding portion, and a water-absorbing porous material such as urethane foam can be used.
  • a fuel supply port 117 for supplying the methanol fuel 102 into the fuel tank 101 and carbon dioxide generated in the fuel tank 101 are provided on a side surface of the fuel tank 101 in a direction orthogonal to the stacking direction of the respective components.
  • a carbon dioxide outlet 116 for discharging gas is provided.
  • the carbon dioxide gas inside the fuel tank 101 only needs to be partially discharged, and not all.
  • Such a carbon dioxide discharge port 116 is formed by closing a hole of an appropriate size formed in the fuel tank 101 with a gas-liquid separation membrane or the like.
  • a gas-liquid separation membrane for example, a PTFE porous membrane treated with an amorphous polymer is used.
  • a polymer electrolyte fuel cell 100 that is a fuel cell as shown in FIG. 1 can be obtained.
  • the polymer electrolyte fuel cell 100 of the present embodiment has the perforated fixing plates 103 and 104 sandwiching the fuel vaporization layer 105 from both surfaces, and is disposed on the methanol fuel 102 side.
  • the aperture ratio of the hole fixing plate 103 is larger than the aperture ratio of the perforated fixing plate 104 arranged on the anode electrode 107 side.
  • the carbon dioxide gas generated at the anode electrode 107 is prevented from flowing backward from the anode electrode 107 to the methanol fuel 102 side, so that the output can be increased. It is possible to achieve both improvement in fuel utilization efficiency.
  • the polymer electrolyte fuel cell 100 according to the present invention is not limited to the above-described embodiment, and various modifications are possible.
  • the polymer electrolyte fuel cell 100 of this example was manufactured as follows.
  • catalyst-supported carbon fine particles were prepared by adding 55% by weight of platinum fine particles having a particle diameter in the range of 3 nm to 5 nm to carbon particles (manufactured by Lion Corporation: Ketjen Black EC600JD). An appropriate amount of a 5 wt% Nafion solution (manufactured by DuPont: DE521, “Nafion” is a registered trademark) was added to 1 g of the catalyst-supported carbon fine particles and stirred to obtain a catalyst paste for forming the cathode electrode 109. This catalyst paste was applied at a coating amount of 8 [mg / cm 2 ] on carbon paper (Toray Industries, Inc .: TGP-H-90) as a base material.
  • the catalyst paste was dried to produce a square cathode electrode 109 having an outer dimension of “4 cm ⁇ 4 cm”.
  • platinum (Pt) -ruthenium (Ru) alloy fine particles Ru ratio was set to 60 at%) having a particle diameter in the range of 3 nm to 5 nm were used.
  • a catalyst paste for forming the anode electrode 107 was obtained under the same conditions as those for obtaining the catalyst paste for forming the cathode electrode 109 except that the alloy fine particles were used.
  • An anode electrode 107 was fabricated under the same conditions as the cathode electrode 109 except that this catalyst paste was used.
  • the solid polymer electrolyte membrane 108 was formed using a square film having an outer dimension of “8 cm ⁇ 8 cm” and a thickness of 90 ⁇ m (manufactured by DuPont: Nafion 115).
  • the cathode electrode 109 is disposed on one surface in the thickness direction of the solid polymer electrolyte membrane 108 with the carbon paper facing outward, and the anode electrode 107 is disposed on the other surface with the carbon paper facing outward. It was done. Then, it compressed from the outside of each carbon paper using the hot press method. As a result, the cathode electrode 109 and the anode electrode 107 were bonded to both surfaces of the solid polymer electrolyte membrane 108 to form an MEA (electrode-electrolyte membrane assembly).
  • MEA electrode-electrolyte membrane assembly
  • the anode current collecting electrode 106 and the cathode current collecting electrode 110 were disposed on the cathode electrode 109 and the anode electrode 107, respectively.
  • the anode current collecting electrode 106 and the cathode current collecting electrode 110 were made of SUS316 stainless steel with a square shape having an outer dimension of “6 cm ⁇ 6 cm”, a thickness of 1 mm, a hole diameter of 1 mm, and an aperture ratio of 30%. .
  • the frame-shaped sealing material 114a disposed between the solid polymer electrolyte membrane 108 and the anode current collecting electrode 106 is cut at two portions on each side with a width of 1 mm, and the cut portions A carbon dioxide discharge port 115 was formed by disposing a PTFE porous membrane (thickness: 0.3 mm, porosity: 80%) in each.
  • a PTFE porous membrane having a thickness of 100 ⁇ m, a porosity of 30%, and a pore diameter of 1 ⁇ m subjected to an oil repellent treatment using an amorphous PTFE liquid was prepared.
  • This fuel vaporization layer 105 was sandwiched between two perforated fixing plates 103 and a perforated fixing plate 104.
  • the perforated fixing plate 103 and the perforated fixing plate 104 were formed of SUS316 stainless steel so that the outer dimensions were “6 cm ⁇ 6 cm”, the thickness was 0.3 mm, and the hole diameter was 0.3 mm.
  • the aperture ratio of the perforated fixing plate 103 located on the methanol fuel 102 side was set to 22.5%
  • the aperture ratio of the perforated fixing plate 104 located on the anode current collecting electrode 106 side was set to 5%.
  • a square rectangular tubular fuel tank 101 having an outer dimension of “6 cm ⁇ 6 cm”, a height of 8 mm, an opening dimension of “44 mm ⁇ 44 mm”, and a depth of 3 mm was prepared using PP (polypropylene). .
  • a carbon dioxide discharge port 116 and a fuel supply port 117 are provided on the side surface of the fuel tank 101.
  • On the fuel tank 101 each component mentioned above was laminated
  • a cellulose fiber sheet made by Asahi Kasei Co., Ltd .: cotton fiber wiper material Bencot
  • a PTFE porous film (porosity 50%) was placed on the hydrophilic porous film 111 as the water repellent porous film 112 to form a moisture retaining layer.
  • the water-repellent porous film 112 is removed from the cathode current collecting electrode 110 using a polyimide tape (manufactured by Toray DuPont: Kapton tape) so as to eliminate a gap between the water repellent porous film 112 and the cathode current collecting electrode 110. Fixed to.
  • a polyimide tape manufactured by Toray DuPont: Kapton tape
  • the entire fuel cell 100 was screwed and integrated, except for the moisturizing layer.
  • a resin screw is used to prevent electrical leakage.
  • the polymer electrolyte fuel cell 100 having the cross-sectional structure shown in FIG. 1 was constructed.
  • a methanol aqueous solution with a concentration of 70 vol% was used as a fuel, and 12 cc was used as a fuel.
  • the power generation characteristics were measured for about an hour.
  • FIG. 2 is a diagram showing measurement results of constant current power generation in the first example and the first comparative example.
  • the cell voltage of the first example is higher than that of the first comparative example.
  • the voltage increased for a while due to the temperature increase due to heat generation.
  • the cell voltage decreased while fluctuating after 30 minutes from the start of driving.
  • the cell voltage was extremely stable.
  • the fuel consumption in the first comparative example was 0.54 g / h, whereas the fuel consumption in the first example was 0.45 g / h (see Table 1). Therefore, the energy density with respect to the fuel was higher in the first example than in the first comparative example.
  • Table 1 shows the average cell voltage and fuel consumption during constant current power generation for the first example and the first to third comparative examples.
  • the polymer electrolyte fuel cell 100 can realize higher output and more stable power generation than the comparative example. That is, by using the polymer electrolyte fuel cell 100, it is possible to minimize the influence of carbon dioxide gas flowing backward from the anode electrode 107 to the methanol fuel 102 side, and to supply optimal fuel, thereby improving the performance of the fuel cell. Can be improved.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Fuel Cell (AREA)

Abstract

La pile à combustible de la présente invention comporte une membrane d'électrolyte polymère solide (108), une électrode d'anode (107) et une électrode de cathode (110) qui sont appariées et maintiennent la membrane d'électrolyte polymère solide (108) en sandwich entre celles-ci, un réservoir de combustible (101) pour contenir un combustible de méthanol (102) et positionné sur le côté de l'électrode d'anode (107) opposé à celui de la membrane d'électrolyte polymère solide (108), une couche de vaporisation de combustible (105) faite d'un matériau poreux de séparation gaz-liquide qui est disposé entre l'électrode d'anode (107) et le combustible de méthanol (102), et une paire de plaques de serrage perforées (103, 104) qui maintiennent la couche de vaporisation de combustible (107) prise en sandwich entre celles-ci. De plus, le rapport d'ouverture de la plaque de serrage perforée (103) disposée sur le côté vers le combustible de méthanol (102) est supérieur au rapport d'ouverture de la plaque de serrage perforée (104) disposée sur le côté vers l'électrode d'anode (107).
PCT/JP2009/057048 2008-07-16 2009-04-06 Pile à combustible à polymère solide WO2010007818A1 (fr)

Applications Claiming Priority (2)

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JP2008-185117 2008-07-16
JP2008185117A JP2011222119A (ja) 2008-07-16 2008-07-16 固体高分子型燃料電池

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WO2010007818A1 true WO2010007818A1 (fr) 2010-01-21

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Publication number Priority date Publication date Assignee Title
JP2011175838A (ja) * 2010-02-24 2011-09-08 Sharp Corp 単位電池、複合単位電池、およびこれらを用いた燃料電池スタック

Citations (10)

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Publication number Priority date Publication date Assignee Title
JP2000106201A (ja) * 1998-09-30 2000-04-11 Toshiba Corp 燃料電池
JP2000353533A (ja) * 1999-06-09 2000-12-19 Toshiba Corp 燃料電池
JP2006054082A (ja) * 2004-08-10 2006-02-23 Fujitsu Ltd 燃料電池
JP2006269334A (ja) * 2005-03-25 2006-10-05 Hitachi Ltd 燃料電池ユニットおよび燃料電池ユニット集合体並びに電子機器
WO2006109645A1 (fr) * 2005-04-08 2006-10-19 Nec Corporation Pile a combustible a electrolyte solide et son procede de fonctionnement
JP2006318712A (ja) * 2005-05-11 2006-11-24 Toshiba Corp 燃料電池
JP2007080776A (ja) * 2005-09-16 2007-03-29 Nec Corp 固体高分子型燃料電池、固体高分子型燃料電池スタック及び携帯用電子機器
JP2007123039A (ja) * 2005-10-27 2007-05-17 Fujitsu Ltd 燃料電池
WO2007080763A1 (fr) * 2006-01-16 2007-07-19 Nec Corporation Pile a combustible a polymere solide
JP2007273218A (ja) * 2006-03-31 2007-10-18 Nec Corp 固体電解質型燃料電池及びその製造方法

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000106201A (ja) * 1998-09-30 2000-04-11 Toshiba Corp 燃料電池
JP2000353533A (ja) * 1999-06-09 2000-12-19 Toshiba Corp 燃料電池
JP2006054082A (ja) * 2004-08-10 2006-02-23 Fujitsu Ltd 燃料電池
JP2006269334A (ja) * 2005-03-25 2006-10-05 Hitachi Ltd 燃料電池ユニットおよび燃料電池ユニット集合体並びに電子機器
WO2006109645A1 (fr) * 2005-04-08 2006-10-19 Nec Corporation Pile a combustible a electrolyte solide et son procede de fonctionnement
JP2006318712A (ja) * 2005-05-11 2006-11-24 Toshiba Corp 燃料電池
JP2007080776A (ja) * 2005-09-16 2007-03-29 Nec Corp 固体高分子型燃料電池、固体高分子型燃料電池スタック及び携帯用電子機器
JP2007123039A (ja) * 2005-10-27 2007-05-17 Fujitsu Ltd 燃料電池
WO2007080763A1 (fr) * 2006-01-16 2007-07-19 Nec Corporation Pile a combustible a polymere solide
JP2007273218A (ja) * 2006-03-31 2007-10-18 Nec Corp 固体電解質型燃料電池及びその製造方法

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